smcleod/llama-3-1-8b-smcleod-golang-coder-v3
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rkt/rkt | tools/depsgen/main.go | getAllDepTypes | func getAllDepTypes() []string {
depTypes := make([]string, 0, len(cmds))
for depType := range cmds {
depTypes = append(depTypes, depType)
}
sort.Strings(depTypes)
return depTypes
} | go | func getAllDepTypes() []string {
depTypes := make([]string, 0, len(cmds))
for depType := range cmds {
depTypes = append(depTypes, depType)
}
sort.Strings(depTypes)
return depTypes
} | [
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// commands. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/tools/depsgen/main.go#L47-L54 | train |
rkt/rkt | rkt/image/io.go | getIoProgressReader | func getIoProgressReader(label string, res *http.Response) io.Reader {
prefix := "Downloading " + label
fmtBytesSize := 18
barSize := int64(80 - len(prefix) - fmtBytesSize)
bar := ioprogress.DrawTextFormatBarForW(barSize, os.Stderr)
fmtfunc := func(progress, total int64) string {
// Content-Length is set to -1 when unknown.
if total == -1 {
return fmt.Sprintf(
"%s: %v of an unknown total size",
prefix,
ioprogress.ByteUnitStr(progress),
)
}
return fmt.Sprintf(
"%s: %s %s",
prefix,
bar(progress, total),
ioprogress.DrawTextFormatBytes(progress, total),
)
}
return &ioprogress.Reader{
Reader: res.Body,
Size: res.ContentLength,
DrawFunc: ioprogress.DrawTerminalf(os.Stderr, fmtfunc),
DrawInterval: time.Second,
}
} | go | func getIoProgressReader(label string, res *http.Response) io.Reader {
prefix := "Downloading " + label
fmtBytesSize := 18
barSize := int64(80 - len(prefix) - fmtBytesSize)
bar := ioprogress.DrawTextFormatBarForW(barSize, os.Stderr)
fmtfunc := func(progress, total int64) string {
// Content-Length is set to -1 when unknown.
if total == -1 {
return fmt.Sprintf(
"%s: %v of an unknown total size",
prefix,
ioprogress.ByteUnitStr(progress),
)
}
return fmt.Sprintf(
"%s: %s %s",
prefix,
bar(progress, total),
ioprogress.DrawTextFormatBytes(progress, total),
)
}
return &ioprogress.Reader{
Reader: res.Body,
Size: res.ContentLength,
DrawFunc: ioprogress.DrawTerminalf(os.Stderr, fmtfunc),
DrawInterval: time.Second,
}
} | [
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// body, so it prints a pretty progress bar when reading data from it. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/image/io.go#L60-L87 | train |
rkt/rkt | rkt/image/io.go | Close | func (f *removeOnClose) Close() error {
if f == nil || f.File == nil {
return nil
}
name := f.File.Name()
if err := f.File.Close(); err != nil {
return err
}
if err := os.Remove(name); err != nil && !os.IsNotExist(err) {
return err
}
return nil
} | go | func (f *removeOnClose) Close() error {
if f == nil || f.File == nil {
return nil
}
name := f.File.Name()
if err := f.File.Close(); err != nil {
return err
}
if err := os.Remove(name); err != nil && !os.IsNotExist(err) {
return err
}
return nil
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] | // Close closes the file and then removes it from disk. No error is
// returned if the file did not exist at the point of removal. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/image/io.go#L107-L119 | train |
rkt/rkt | rkt/image/io.go | getTmpROC | func getTmpROC(s *imagestore.Store, path string) (*removeOnClose, error) {
h := sha512.New()
h.Write([]byte(path))
pathHash := s.HashToKey(h)
tmp, err := s.TmpNamedFile(pathHash)
if err != nil {
return nil, errwrap.Wrap(errors.New("error setting up temporary file"), err)
}
// let's lock the file to avoid concurrent writes to the temporary file, it
// will go away when removing the temp file
_, err = lock.TryExclusiveLock(tmp.Name(), lock.RegFile)
if err != nil {
if err != lock.ErrLocked {
return nil, errwrap.Wrap(errors.New("failed to lock temporary file"), err)
}
log.Printf("another rkt instance is downloading this file, waiting...")
_, err = lock.ExclusiveLock(tmp.Name(), lock.RegFile)
if err != nil {
return nil, errwrap.Wrap(errors.New("failed to lock temporary file"), err)
}
}
return &removeOnClose{File: tmp}, nil
} | go | func getTmpROC(s *imagestore.Store, path string) (*removeOnClose, error) {
h := sha512.New()
h.Write([]byte(path))
pathHash := s.HashToKey(h)
tmp, err := s.TmpNamedFile(pathHash)
if err != nil {
return nil, errwrap.Wrap(errors.New("error setting up temporary file"), err)
}
// let's lock the file to avoid concurrent writes to the temporary file, it
// will go away when removing the temp file
_, err = lock.TryExclusiveLock(tmp.Name(), lock.RegFile)
if err != nil {
if err != lock.ErrLocked {
return nil, errwrap.Wrap(errors.New("failed to lock temporary file"), err)
}
log.Printf("another rkt instance is downloading this file, waiting...")
_, err = lock.ExclusiveLock(tmp.Name(), lock.RegFile)
if err != nil {
return nil, errwrap.Wrap(errors.New("failed to lock temporary file"), err)
}
}
return &removeOnClose{File: tmp}, nil
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// file provided by the passed store. The actual file name is based on
// a hash of the passed path. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/image/io.go#L124-L149 | train |
rkt/rkt | stage0/manifest.go | getStage1Entrypoint | func getStage1Entrypoint(cdir string, entrypoint string) (string, error) {
b, err := ioutil.ReadFile(common.Stage1ManifestPath(cdir))
if err != nil {
return "", errwrap.Wrap(errors.New("error reading pod manifest"), err)
}
s1m := schema.ImageManifest{}
if err := json.Unmarshal(b, &s1m); err != nil {
return "", errwrap.Wrap(errors.New("error unmarshaling stage1 manifest"), err)
}
if ep, ok := s1m.Annotations.Get(entrypoint); ok {
return ep, nil
}
return "", fmt.Errorf("entrypoint %q not found", entrypoint)
} | go | func getStage1Entrypoint(cdir string, entrypoint string) (string, error) {
b, err := ioutil.ReadFile(common.Stage1ManifestPath(cdir))
if err != nil {
return "", errwrap.Wrap(errors.New("error reading pod manifest"), err)
}
s1m := schema.ImageManifest{}
if err := json.Unmarshal(b, &s1m); err != nil {
return "", errwrap.Wrap(errors.New("error unmarshaling stage1 manifest"), err)
}
if ep, ok := s1m.Annotations.Get(entrypoint); ok {
return ep, nil
}
return "", fmt.Errorf("entrypoint %q not found", entrypoint)
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/stage0/manifest.go#L69-L85 | train |
rkt/rkt | stage0/manifest.go | getStage1InterfaceVersion | func getStage1InterfaceVersion(cdir string) (int, error) {
b, err := ioutil.ReadFile(common.Stage1ManifestPath(cdir))
if err != nil {
return -1, errwrap.Wrap(errors.New("error reading pod manifest"), err)
}
s1m := schema.ImageManifest{}
if err := json.Unmarshal(b, &s1m); err != nil {
return -1, errwrap.Wrap(errors.New("error unmarshaling stage1 manifest"), err)
}
if iv, ok := s1m.Annotations.Get(interfaceVersion); ok {
v, err := strconv.Atoi(iv)
if err != nil {
return -1, errwrap.Wrap(errors.New("error parsing interface version"), err)
}
return v, nil
}
// "interface-version" annotation not found, assume version 1
return 1, nil
} | go | func getStage1InterfaceVersion(cdir string) (int, error) {
b, err := ioutil.ReadFile(common.Stage1ManifestPath(cdir))
if err != nil {
return -1, errwrap.Wrap(errors.New("error reading pod manifest"), err)
}
s1m := schema.ImageManifest{}
if err := json.Unmarshal(b, &s1m); err != nil {
return -1, errwrap.Wrap(errors.New("error unmarshaling stage1 manifest"), err)
}
if iv, ok := s1m.Annotations.Get(interfaceVersion); ok {
v, err := strconv.Atoi(iv)
if err != nil {
return -1, errwrap.Wrap(errors.New("error parsing interface version"), err)
}
return v, nil
}
// "interface-version" annotation not found, assume version 1
return 1, nil
} | [
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// manifest for a given pod | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/stage0/manifest.go#L89-L110 | train |
rkt/rkt | networking/podenv.go | loadNets | func (e *podEnv) loadNets() ([]activeNet, error) {
if e.netsLoadList.None() {
stderr.Printf("networking namespace with loopback only")
return nil, nil
}
nets, err := e.newNetLoader().loadNets(e.netsLoadList)
if err != nil {
return nil, err
}
netSlice := make([]activeNet, 0, len(nets))
for _, net := range nets {
netSlice = append(netSlice, net)
}
sort.Sort(byFilename(netSlice))
missing := missingNets(e.netsLoadList, netSlice)
if len(missing) > 0 {
return nil, fmt.Errorf("networks not found: %v", strings.Join(missing, ", "))
}
// Add the runtime args to the network instances.
// We don't do this earlier because we also load networks in other contexts
for _, n := range nets {
n.runtime.Args = e.netsLoadList.SpecificArgs(n.conf.Name)
}
return netSlice, nil
} | go | func (e *podEnv) loadNets() ([]activeNet, error) {
if e.netsLoadList.None() {
stderr.Printf("networking namespace with loopback only")
return nil, nil
}
nets, err := e.newNetLoader().loadNets(e.netsLoadList)
if err != nil {
return nil, err
}
netSlice := make([]activeNet, 0, len(nets))
for _, net := range nets {
netSlice = append(netSlice, net)
}
sort.Sort(byFilename(netSlice))
missing := missingNets(e.netsLoadList, netSlice)
if len(missing) > 0 {
return nil, fmt.Errorf("networks not found: %v", strings.Join(missing, ", "))
}
// Add the runtime args to the network instances.
// We don't do this earlier because we also load networks in other contexts
for _, n := range nets {
n.runtime.Args = e.netsLoadList.SpecificArgs(n.conf.Name)
}
return netSlice, nil
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] | // Loads nets specified by user, both from a configurable user location and builtin from stage1. User supplied network
// configs override what is built into stage1.
// The order in which networks are applied to pods will be defined by their filenames. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/networking/podenv.go#L75-L102 | train |
rkt/rkt | stage1/init/common/app.go | prepareApp | func prepareApp(p *stage1commontypes.Pod, ra *schema.RuntimeApp) (*preparedApp, error) {
pa := preparedApp{
app: ra,
env: ra.App.Environment,
noNewPrivileges: getAppNoNewPrivileges(ra.App.Isolators),
}
var err error
// Determine numeric uid and gid
u, g, err := ParseUserGroup(p, ra)
if err != nil {
return nil, errwrap.Wrap(errors.New("unable to determine app's uid and gid"), err)
}
if u < 0 || g < 0 {
return nil, errors.New("Invalid uid or gid")
}
pa.uid = uint32(u)
pa.gid = uint32(g)
// Set some rkt-provided environment variables
pa.env.Set("AC_APP_NAME", ra.Name.String())
if p.MetadataServiceURL != "" {
pa.env.Set("AC_METADATA_URL", p.MetadataServiceURL)
}
// Determine capability set
pa.capabilities, err = getAppCapabilities(ra.App.Isolators)
if err != nil {
return nil, errwrap.Wrap(errors.New("unable to construct capabilities"), err)
}
// Determine mounts
cfd := ConvertedFromDocker(p.Images[ra.Name.String()])
pa.mounts, err = GenerateMounts(ra, p.Manifest.Volumes, cfd)
if err != nil {
return nil, errwrap.Wrap(errors.New("unable to compute mounts"), err)
}
// Compute resources
pa.resources, err = computeAppResources(ra.App.Isolators)
if err != nil {
return nil, errwrap.Wrap(errors.New("unable to compute resources"), err)
}
// Protect kernel tunables by default
if !p.InsecureOptions.DisablePaths {
pa.roPaths = append(pa.roPaths, protectKernelROPaths...)
pa.hiddenPaths = append(pa.hiddenDirs, protectKernelHiddenPaths...)
pa.hiddenDirs = append(pa.hiddenDirs, protectKernelHiddenDirs...)
}
// Seccomp
if !p.InsecureOptions.DisableSeccomp {
pa.seccomp, err = generateSeccompFilter(p, &pa)
if err != nil {
return nil, err
}
if pa.seccomp != nil && pa.seccomp.forceNoNewPrivileges {
pa.noNewPrivileges = true
}
}
// Write the systemd-sysusers config file
if err := generateSysusers(p, pa.app, int(pa.uid), int(pa.gid), &p.UidRange); err != nil {
return nil, errwrap.Wrapf("unable to generate sysusers file", err)
}
return &pa, nil
} | go | func prepareApp(p *stage1commontypes.Pod, ra *schema.RuntimeApp) (*preparedApp, error) {
pa := preparedApp{
app: ra,
env: ra.App.Environment,
noNewPrivileges: getAppNoNewPrivileges(ra.App.Isolators),
}
var err error
// Determine numeric uid and gid
u, g, err := ParseUserGroup(p, ra)
if err != nil {
return nil, errwrap.Wrap(errors.New("unable to determine app's uid and gid"), err)
}
if u < 0 || g < 0 {
return nil, errors.New("Invalid uid or gid")
}
pa.uid = uint32(u)
pa.gid = uint32(g)
// Set some rkt-provided environment variables
pa.env.Set("AC_APP_NAME", ra.Name.String())
if p.MetadataServiceURL != "" {
pa.env.Set("AC_METADATA_URL", p.MetadataServiceURL)
}
// Determine capability set
pa.capabilities, err = getAppCapabilities(ra.App.Isolators)
if err != nil {
return nil, errwrap.Wrap(errors.New("unable to construct capabilities"), err)
}
// Determine mounts
cfd := ConvertedFromDocker(p.Images[ra.Name.String()])
pa.mounts, err = GenerateMounts(ra, p.Manifest.Volumes, cfd)
if err != nil {
return nil, errwrap.Wrap(errors.New("unable to compute mounts"), err)
}
// Compute resources
pa.resources, err = computeAppResources(ra.App.Isolators)
if err != nil {
return nil, errwrap.Wrap(errors.New("unable to compute resources"), err)
}
// Protect kernel tunables by default
if !p.InsecureOptions.DisablePaths {
pa.roPaths = append(pa.roPaths, protectKernelROPaths...)
pa.hiddenPaths = append(pa.hiddenDirs, protectKernelHiddenPaths...)
pa.hiddenDirs = append(pa.hiddenDirs, protectKernelHiddenDirs...)
}
// Seccomp
if !p.InsecureOptions.DisableSeccomp {
pa.seccomp, err = generateSeccompFilter(p, &pa)
if err != nil {
return nil, err
}
if pa.seccomp != nil && pa.seccomp.forceNoNewPrivileges {
pa.noNewPrivileges = true
}
}
// Write the systemd-sysusers config file
if err := generateSysusers(p, pa.app, int(pa.uid), int(pa.gid), &p.UidRange); err != nil {
return nil, errwrap.Wrapf("unable to generate sysusers file", err)
}
return &pa, nil
} | [
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] | // prepareApp sets up the internal runtime context for a specific app. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/stage1/init/common/app.go#L98-L166 | train |
rkt/rkt | stage1/init/common/app.go | computeAppResources | func computeAppResources(isolators types.Isolators) (appResources, error) {
res := appResources{}
var err error
withIsolator := func(name string, f func() error) error {
ok, err := cgroup.IsIsolatorSupported(name)
if err != nil {
return errwrap.Wrapf("could not check for isolator "+name, err)
}
if !ok {
fmt.Fprintf(os.Stderr, "warning: resource/%s isolator set but support disabled in the kernel, skipping\n", name)
return nil
}
return f()
}
for _, isolator := range isolators {
if err != nil {
return res, err
}
switch v := isolator.Value().(type) {
case *types.ResourceMemory:
err = withIsolator("memory", func() error {
if v.Limit() == nil {
return nil
}
val := uint64(v.Limit().Value())
res.MemoryLimit = &val
return nil
})
case *types.ResourceCPU:
err = withIsolator("cpu", func() error {
if v.Limit() == nil {
return nil
}
if v.Limit().Value() > MaxMilliValue {
return fmt.Errorf("cpu limit exceeds the maximum millivalue: %v", v.Limit().String())
}
val := uint64(v.Limit().MilliValue() / 10)
res.CPUQuota = &val
return nil
})
case *types.LinuxCPUShares:
err = withIsolator("cpu", func() error {
val := uint64(*v)
res.LinuxCPUShares = &val
return nil
})
case *types.LinuxOOMScoreAdj:
val := int(*v)
res.LinuxOOMScoreAdjust = &val
}
}
return res, err
} | go | func computeAppResources(isolators types.Isolators) (appResources, error) {
res := appResources{}
var err error
withIsolator := func(name string, f func() error) error {
ok, err := cgroup.IsIsolatorSupported(name)
if err != nil {
return errwrap.Wrapf("could not check for isolator "+name, err)
}
if !ok {
fmt.Fprintf(os.Stderr, "warning: resource/%s isolator set but support disabled in the kernel, skipping\n", name)
return nil
}
return f()
}
for _, isolator := range isolators {
if err != nil {
return res, err
}
switch v := isolator.Value().(type) {
case *types.ResourceMemory:
err = withIsolator("memory", func() error {
if v.Limit() == nil {
return nil
}
val := uint64(v.Limit().Value())
res.MemoryLimit = &val
return nil
})
case *types.ResourceCPU:
err = withIsolator("cpu", func() error {
if v.Limit() == nil {
return nil
}
if v.Limit().Value() > MaxMilliValue {
return fmt.Errorf("cpu limit exceeds the maximum millivalue: %v", v.Limit().String())
}
val := uint64(v.Limit().MilliValue() / 10)
res.CPUQuota = &val
return nil
})
case *types.LinuxCPUShares:
err = withIsolator("cpu", func() error {
val := uint64(*v)
res.LinuxCPUShares = &val
return nil
})
case *types.LinuxOOMScoreAdj:
val := int(*v)
res.LinuxOOMScoreAdjust = &val
}
}
return res, err
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] | // computeAppResources processes any isolators that manipulate cgroups. | [
"computeAppResources",
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"that",
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"cgroups",
"."
] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/stage1/init/common/app.go#L169-L229 | train |
rkt/rkt | store/imagestore/aciinfo.go | GetACIInfosWithKeyPrefix | func GetACIInfosWithKeyPrefix(tx *sql.Tx, prefix string) ([]*ACIInfo, error) {
var aciinfos []*ACIInfo
rows, err := tx.Query("SELECT * from aciinfo WHERE hasPrefix(blobkey, $1)", prefix)
if err != nil {
return nil, err
}
defer rows.Close()
for rows.Next() {
aciinfo := &ACIInfo{}
if err := aciinfoRowScan(rows, aciinfo); err != nil {
return nil, err
}
aciinfos = append(aciinfos, aciinfo)
}
if err := rows.Err(); err != nil {
return nil, err
}
return aciinfos, err
} | go | func GetACIInfosWithKeyPrefix(tx *sql.Tx, prefix string) ([]*ACIInfo, error) {
var aciinfos []*ACIInfo
rows, err := tx.Query("SELECT * from aciinfo WHERE hasPrefix(blobkey, $1)", prefix)
if err != nil {
return nil, err
}
defer rows.Close()
for rows.Next() {
aciinfo := &ACIInfo{}
if err := aciinfoRowScan(rows, aciinfo); err != nil {
return nil, err
}
aciinfos = append(aciinfos, aciinfo)
}
if err := rows.Err(); err != nil {
return nil, err
}
return aciinfos, err
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/store/imagestore/aciinfo.go#L68-L86 | train |
rkt/rkt | store/imagestore/aciinfo.go | GetACIInfosWithName | func GetACIInfosWithName(tx *sql.Tx, name string) ([]*ACIInfo, bool, error) {
var aciinfos []*ACIInfo
found := false
rows, err := tx.Query("SELECT * from aciinfo WHERE name == $1", name)
if err != nil {
return nil, false, err
}
defer rows.Close()
for rows.Next() {
found = true
aciinfo := &ACIInfo{}
if err := aciinfoRowScan(rows, aciinfo); err != nil {
return nil, false, err
}
aciinfos = append(aciinfos, aciinfo)
}
if err := rows.Err(); err != nil {
return nil, false, err
}
return aciinfos, found, err
} | go | func GetACIInfosWithName(tx *sql.Tx, name string) ([]*ACIInfo, bool, error) {
var aciinfos []*ACIInfo
found := false
rows, err := tx.Query("SELECT * from aciinfo WHERE name == $1", name)
if err != nil {
return nil, false, err
}
defer rows.Close()
for rows.Next() {
found = true
aciinfo := &ACIInfo{}
if err := aciinfoRowScan(rows, aciinfo); err != nil {
return nil, false, err
}
aciinfos = append(aciinfos, aciinfo)
}
if err := rows.Err(); err != nil {
return nil, false, err
}
return aciinfos, found, err
} | [
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] | // GetAciInfosWithName returns all the ACIInfos for a given name. found will be
// false if no aciinfo exists. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/store/imagestore/aciinfo.go#L90-L110 | train |
rkt/rkt | store/imagestore/aciinfo.go | GetACIInfoWithBlobKey | func GetACIInfoWithBlobKey(tx *sql.Tx, blobKey string) (*ACIInfo, bool, error) {
aciinfo := &ACIInfo{}
found := false
rows, err := tx.Query("SELECT * from aciinfo WHERE blobkey == $1", blobKey)
if err != nil {
return nil, false, err
}
defer rows.Close()
for rows.Next() {
found = true
if err := aciinfoRowScan(rows, aciinfo); err != nil {
return nil, false, err
}
// No more than one row for blobkey must exist.
break
}
if err := rows.Err(); err != nil {
return nil, false, err
}
return aciinfo, found, err
} | go | func GetACIInfoWithBlobKey(tx *sql.Tx, blobKey string) (*ACIInfo, bool, error) {
aciinfo := &ACIInfo{}
found := false
rows, err := tx.Query("SELECT * from aciinfo WHERE blobkey == $1", blobKey)
if err != nil {
return nil, false, err
}
defer rows.Close()
for rows.Next() {
found = true
if err := aciinfoRowScan(rows, aciinfo); err != nil {
return nil, false, err
}
// No more than one row for blobkey must exist.
break
}
if err := rows.Err(); err != nil {
return nil, false, err
}
return aciinfo, found, err
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/store/imagestore/aciinfo.go#L114-L134 | train |
rkt/rkt | store/imagestore/aciinfo.go | GetAllACIInfos | func GetAllACIInfos(tx *sql.Tx, sortfields []string, ascending bool) ([]*ACIInfo, error) {
var aciinfos []*ACIInfo
query := "SELECT * from aciinfo"
if len(sortfields) > 0 {
query += fmt.Sprintf(" ORDER BY %s ", strings.Join(sortfields, ", "))
if ascending {
query += "ASC"
} else {
query += "DESC"
}
}
rows, err := tx.Query(query)
if err != nil {
return nil, err
}
defer rows.Close()
for rows.Next() {
aciinfo := &ACIInfo{}
if err := aciinfoRowScan(rows, aciinfo); err != nil {
return nil, err
}
aciinfos = append(aciinfos, aciinfo)
}
if err := rows.Err(); err != nil {
return nil, err
}
return aciinfos, err
} | go | func GetAllACIInfos(tx *sql.Tx, sortfields []string, ascending bool) ([]*ACIInfo, error) {
var aciinfos []*ACIInfo
query := "SELECT * from aciinfo"
if len(sortfields) > 0 {
query += fmt.Sprintf(" ORDER BY %s ", strings.Join(sortfields, ", "))
if ascending {
query += "ASC"
} else {
query += "DESC"
}
}
rows, err := tx.Query(query)
if err != nil {
return nil, err
}
defer rows.Close()
for rows.Next() {
aciinfo := &ACIInfo{}
if err := aciinfoRowScan(rows, aciinfo); err != nil {
return nil, err
}
aciinfos = append(aciinfos, aciinfo)
}
if err := rows.Err(); err != nil {
return nil, err
}
return aciinfos, err
} | [
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// with ascending or descending order. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/store/imagestore/aciinfo.go#L138-L165 | train |
rkt/rkt | store/imagestore/aciinfo.go | WriteACIInfo | func WriteACIInfo(tx *sql.Tx, aciinfo *ACIInfo) error {
// ql doesn't have an INSERT OR UPDATE function so
// it's faster to remove and reinsert the row
_, err := tx.Exec("DELETE from aciinfo where blobkey == $1", aciinfo.BlobKey)
if err != nil {
return err
}
_, err = tx.Exec("INSERT into aciinfo (blobkey, name, importtime, lastused, latest, size, treestoresize) VALUES ($1, $2, $3, $4, $5, $6, $7)", aciinfo.BlobKey, aciinfo.Name, aciinfo.ImportTime, aciinfo.LastUsed, aciinfo.Latest, aciinfo.Size, aciinfo.TreeStoreSize)
if err != nil {
return err
}
return nil
} | go | func WriteACIInfo(tx *sql.Tx, aciinfo *ACIInfo) error {
// ql doesn't have an INSERT OR UPDATE function so
// it's faster to remove and reinsert the row
_, err := tx.Exec("DELETE from aciinfo where blobkey == $1", aciinfo.BlobKey)
if err != nil {
return err
}
_, err = tx.Exec("INSERT into aciinfo (blobkey, name, importtime, lastused, latest, size, treestoresize) VALUES ($1, $2, $3, $4, $5, $6, $7)", aciinfo.BlobKey, aciinfo.Name, aciinfo.ImportTime, aciinfo.LastUsed, aciinfo.Latest, aciinfo.Size, aciinfo.TreeStoreSize)
if err != nil {
return err
}
return nil
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/store/imagestore/aciinfo.go#L168-L181 | train |
rkt/rkt | stage1/init/kvm/hypervisor/hvqemu/qemu_driver.go | StartCmd | func StartCmd(wdPath, name, kernelPath string, nds []kvm.NetDescriber, cpu, mem int64, debug bool) []string {
var (
driverConfiguration = hypervisor.KvmHypervisor{
Bin: "./qemu",
KernelParams: []string{
"root=/dev/root",
"rootfstype=9p",
"rootflags=trans=virtio,version=9p2000.L,cache=mmap",
"rw",
"systemd.default_standard_error=journal+console",
"systemd.default_standard_output=journal+console",
},
}
)
driverConfiguration.InitKernelParams(debug)
cmd := []string{
filepath.Join(wdPath, driverConfiguration.Bin),
"-L", wdPath,
"-no-reboot",
"-display", "none",
"-enable-kvm",
"-smp", strconv.FormatInt(cpu, 10),
"-m", strconv.FormatInt(mem, 10),
"-kernel", kernelPath,
"-fsdev", "local,id=root,path=stage1/rootfs,security_model=none",
"-device", "virtio-9p-pci,fsdev=root,mount_tag=/dev/root",
"-append", fmt.Sprintf("%s", strings.Join(driverConfiguration.KernelParams, " ")),
"-chardev", "stdio,id=virtiocon0,signal=off",
"-device", "virtio-serial",
"-device", "virtconsole,chardev=virtiocon0",
}
return append(cmd, kvmNetArgs(nds)...)
} | go | func StartCmd(wdPath, name, kernelPath string, nds []kvm.NetDescriber, cpu, mem int64, debug bool) []string {
var (
driverConfiguration = hypervisor.KvmHypervisor{
Bin: "./qemu",
KernelParams: []string{
"root=/dev/root",
"rootfstype=9p",
"rootflags=trans=virtio,version=9p2000.L,cache=mmap",
"rw",
"systemd.default_standard_error=journal+console",
"systemd.default_standard_output=journal+console",
},
}
)
driverConfiguration.InitKernelParams(debug)
cmd := []string{
filepath.Join(wdPath, driverConfiguration.Bin),
"-L", wdPath,
"-no-reboot",
"-display", "none",
"-enable-kvm",
"-smp", strconv.FormatInt(cpu, 10),
"-m", strconv.FormatInt(mem, 10),
"-kernel", kernelPath,
"-fsdev", "local,id=root,path=stage1/rootfs,security_model=none",
"-device", "virtio-9p-pci,fsdev=root,mount_tag=/dev/root",
"-append", fmt.Sprintf("%s", strings.Join(driverConfiguration.KernelParams, " ")),
"-chardev", "stdio,id=virtiocon0,signal=off",
"-device", "virtio-serial",
"-device", "virtconsole,chardev=virtiocon0",
}
return append(cmd, kvmNetArgs(nds)...)
} | [
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] | // StartCmd takes path to stage1, name of the machine, path to kernel, network describers, memory in megabytes
// and quantity of cpus and prepares command line to run QEMU process | [
"StartCmd",
"takes",
"path",
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"command",
"line",
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"QEMU",
"process"
] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/stage1/init/kvm/hypervisor/hvqemu/qemu_driver.go#L29-L63 | train |
rkt/rkt | stage1/init/kvm/hypervisor/hvqemu/qemu_driver.go | kvmNetArgs | func kvmNetArgs(nds []kvm.NetDescriber) []string {
var qemuArgs []string
for _, nd := range nds {
qemuArgs = append(qemuArgs, []string{"-net", "nic,model=virtio"}...)
qemuNic := fmt.Sprintf("tap,ifname=%s,script=no,downscript=no,vhost=on", nd.IfName())
qemuArgs = append(qemuArgs, []string{"-net", qemuNic}...)
}
return qemuArgs
} | go | func kvmNetArgs(nds []kvm.NetDescriber) []string {
var qemuArgs []string
for _, nd := range nds {
qemuArgs = append(qemuArgs, []string{"-net", "nic,model=virtio"}...)
qemuNic := fmt.Sprintf("tap,ifname=%s,script=no,downscript=no,vhost=on", nd.IfName())
qemuArgs = append(qemuArgs, []string{"-net", qemuNic}...)
}
return qemuArgs
} | [
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] | // kvmNetArgs returns additional arguments that need to be passed
// to qemu to configure networks properly. Logic is based on
// network configuration extracted from Networking struct
// and essentially from activeNets that expose NetDescriber behavior | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/stage1/init/kvm/hypervisor/hvqemu/qemu_driver.go#L69-L79 | train |
rkt/rkt | stage1/init/kvm/hypervisor/hypervisor.go | InitKernelParams | func (hv *KvmHypervisor) InitKernelParams(isDebug bool) {
hv.KernelParams = append(hv.KernelParams, []string{
"console=hvc0",
"init=/usr/lib/systemd/systemd",
"no_timer_check",
"noreplace-smp",
"tsc=reliable"}...)
if isDebug {
hv.KernelParams = append(hv.KernelParams, []string{
"debug",
"systemd.log_level=debug",
"systemd.show_status=true",
}...)
} else {
hv.KernelParams = append(hv.KernelParams, []string{
"systemd.show_status=false",
"systemd.log_target=null",
"rd.udev.log-priority=3",
"quiet=vga",
"quiet systemd.log_level=emerg",
}...)
}
customKernelParams := os.Getenv("RKT_HYPERVISOR_EXTRA_KERNEL_PARAMS")
if customKernelParams != "" {
hv.KernelParams = append(hv.KernelParams, customKernelParams)
}
} | go | func (hv *KvmHypervisor) InitKernelParams(isDebug bool) {
hv.KernelParams = append(hv.KernelParams, []string{
"console=hvc0",
"init=/usr/lib/systemd/systemd",
"no_timer_check",
"noreplace-smp",
"tsc=reliable"}...)
if isDebug {
hv.KernelParams = append(hv.KernelParams, []string{
"debug",
"systemd.log_level=debug",
"systemd.show_status=true",
}...)
} else {
hv.KernelParams = append(hv.KernelParams, []string{
"systemd.show_status=false",
"systemd.log_target=null",
"rd.udev.log-priority=3",
"quiet=vga",
"quiet systemd.log_level=emerg",
}...)
}
customKernelParams := os.Getenv("RKT_HYPERVISOR_EXTRA_KERNEL_PARAMS")
if customKernelParams != "" {
hv.KernelParams = append(hv.KernelParams, customKernelParams)
}
} | [
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] | // InitKernelParams sets debug and common parameters passed to the kernel | [
"InitKernelParams",
"sets",
"debug",
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"passed",
"to",
"the",
"kernel"
] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/stage1/init/kvm/hypervisor/hypervisor.go#L26-L54 | train |
rkt/rkt | rkt/image/dockerfetcher.go | Hash | func (f *dockerFetcher) Hash(u *url.URL) (string, error) {
ensureLogger(f.Debug)
dockerURL, err := d2acommon.ParseDockerURL(path.Join(u.Host, u.Path))
if err != nil {
return "", fmt.Errorf(`invalid docker URL %q; expected syntax is "docker://[REGISTRY_HOST[:REGISTRY_PORT]/]IMAGE_NAME[:TAG]"`, u)
}
latest := dockerURL.Tag == "latest"
return f.fetchImageFrom(u, latest)
} | go | func (f *dockerFetcher) Hash(u *url.URL) (string, error) {
ensureLogger(f.Debug)
dockerURL, err := d2acommon.ParseDockerURL(path.Join(u.Host, u.Path))
if err != nil {
return "", fmt.Errorf(`invalid docker URL %q; expected syntax is "docker://[REGISTRY_HOST[:REGISTRY_PORT]/]IMAGE_NAME[:TAG]"`, u)
}
latest := dockerURL.Tag == "latest"
return f.fetchImageFrom(u, latest)
} | [
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"}"
] | // Hash uses docker2aci to download the image and convert it to
// ACI, then stores it in the store and returns the hash. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/image/dockerfetcher.go#L51-L59 | train |
rkt/rkt | stage0/registration.go | registerPod | func registerPod(root string, uuid *types.UUID, apps schema.AppList) (token string, rerr error) {
u := uuid.String()
var err error
token, err = generateMDSToken()
if err != nil {
rerr = errwrap.Wrap(errors.New("failed to generate MDS token"), err)
return
}
pmfPath := common.PodManifestPath(root)
pmf, err := os.Open(pmfPath)
if err != nil {
rerr = errwrap.Wrap(fmt.Errorf("failed to open runtime manifest (%v)", pmfPath), err)
return
}
pth := fmt.Sprintf("/pods/%v?token=%v", u, token)
err = httpRequest("PUT", pth, pmf)
pmf.Close()
if err != nil {
rerr = errwrap.Wrap(errors.New("failed to register pod with metadata svc"), err)
return
}
defer func() {
if rerr != nil {
unregisterPod(root, uuid)
}
}()
rf, err := os.Create(filepath.Join(root, mdsRegisteredFile))
if err != nil {
rerr = errwrap.Wrap(errors.New("failed to create mds-register file"), err)
return
}
rf.Close()
for _, app := range apps {
ampath := common.ImageManifestPath(root, app.Name)
amf, err := os.Open(ampath)
if err != nil {
rerr = errwrap.Wrap(fmt.Errorf("failed reading app manifest %q", ampath), err)
return
}
err = registerApp(u, app.Name.String(), amf)
amf.Close()
if err != nil {
rerr = errwrap.Wrap(errors.New("failed to register app with metadata svc"), err)
return
}
}
return
} | go | func registerPod(root string, uuid *types.UUID, apps schema.AppList) (token string, rerr error) {
u := uuid.String()
var err error
token, err = generateMDSToken()
if err != nil {
rerr = errwrap.Wrap(errors.New("failed to generate MDS token"), err)
return
}
pmfPath := common.PodManifestPath(root)
pmf, err := os.Open(pmfPath)
if err != nil {
rerr = errwrap.Wrap(fmt.Errorf("failed to open runtime manifest (%v)", pmfPath), err)
return
}
pth := fmt.Sprintf("/pods/%v?token=%v", u, token)
err = httpRequest("PUT", pth, pmf)
pmf.Close()
if err != nil {
rerr = errwrap.Wrap(errors.New("failed to register pod with metadata svc"), err)
return
}
defer func() {
if rerr != nil {
unregisterPod(root, uuid)
}
}()
rf, err := os.Create(filepath.Join(root, mdsRegisteredFile))
if err != nil {
rerr = errwrap.Wrap(errors.New("failed to create mds-register file"), err)
return
}
rf.Close()
for _, app := range apps {
ampath := common.ImageManifestPath(root, app.Name)
amf, err := os.Open(ampath)
if err != nil {
rerr = errwrap.Wrap(fmt.Errorf("failed reading app manifest %q", ampath), err)
return
}
err = registerApp(u, app.Name.String(), amf)
amf.Close()
if err != nil {
rerr = errwrap.Wrap(errors.New("failed to register app with metadata svc"), err)
return
}
}
return
} | [
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] | // registerPod registers pod with metadata service.
// Returns authentication token to be passed in the URL | [
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"pod",
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"metadata",
"service",
".",
"Returns",
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"token",
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"be",
"passed",
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/stage0/registration.go#L54-L109 | train |
rkt/rkt | stage0/registration.go | unregisterPod | func unregisterPod(root string, uuid *types.UUID) error {
_, err := os.Stat(filepath.Join(root, mdsRegisteredFile))
switch {
case err == nil:
pth := path.Join("/pods", uuid.String())
return httpRequest("DELETE", pth, nil)
case os.IsNotExist(err):
return nil
default:
return err
}
} | go | func unregisterPod(root string, uuid *types.UUID) error {
_, err := os.Stat(filepath.Join(root, mdsRegisteredFile))
switch {
case err == nil:
pth := path.Join("/pods", uuid.String())
return httpRequest("DELETE", pth, nil)
case os.IsNotExist(err):
return nil
default:
return err
}
} | [
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] | // unregisterPod unregisters pod with the metadata service. | [
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"."
] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/stage0/registration.go#L112-L125 | train |
rkt/rkt | stage0/registration.go | CheckMdsAvailability | func CheckMdsAvailability() error {
if conn, err := net.Dial("unix", common.MetadataServiceRegSock); err != nil {
return errUnreachable
} else {
conn.Close()
return nil
}
} | go | func CheckMdsAvailability() error {
if conn, err := net.Dial("unix", common.MetadataServiceRegSock); err != nil {
return errUnreachable
} else {
conn.Close()
return nil
}
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/stage0/registration.go#L196-L203 | train |
rkt/rkt | networking/netinfo/netinfo.go | MergeCNIResult | func (ni *NetInfo) MergeCNIResult(result types.Result) {
ni.IP = result.IP4.IP.IP
ni.Mask = net.IP(result.IP4.IP.Mask)
ni.HostIP = result.IP4.Gateway
ni.IP4 = result.IP4
ni.DNS = result.DNS
} | go | func (ni *NetInfo) MergeCNIResult(result types.Result) {
ni.IP = result.IP4.IP.IP
ni.Mask = net.IP(result.IP4.IP.Mask)
ni.HostIP = result.IP4.Gateway
ni.IP4 = result.IP4
ni.DNS = result.DNS
} | [
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] | // MergeCNIResult will incorporate the result of a CNI plugin's execution | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/networking/netinfo/netinfo.go#L74-L80 | train |
rkt/rkt | pkg/multicall/multicall.go | Add | func Add(name string, fn commandFn) Entrypoint {
if _, ok := commands[name]; ok {
panic(fmt.Errorf("command with name %q already exists", name))
}
commands[name] = fn
return Entrypoint(name)
} | go | func Add(name string, fn commandFn) Entrypoint {
if _, ok := commands[name]; ok {
panic(fmt.Errorf("command with name %q already exists", name))
}
commands[name] = fn
return Entrypoint(name)
} | [
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// function that will be executed for the specified command. It returns the
// related Entrypoint.
// Packages adding new multicall commands should call Add in their init
// function. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/multicall/multicall.go#L52-L58 | train |
rkt/rkt | rkt/stage1hash.go | addStage1ImageFlags | func addStage1ImageFlags(flags *pflag.FlagSet) {
for _, data := range stage1FlagsData {
wrapper := &stage1ImageLocationFlag{
loc: &overriddenStage1Location,
kind: data.kind,
}
flags.Var(wrapper, data.flag, data.help)
}
} | go | func addStage1ImageFlags(flags *pflag.FlagSet) {
for _, data := range stage1FlagsData {
wrapper := &stage1ImageLocationFlag{
loc: &overriddenStage1Location,
kind: data.kind,
}
flags.Var(wrapper, data.flag, data.help)
}
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/stage1hash.go#L157-L165 | train |
rkt/rkt | pkg/sys/capability.go | HasChrootCapability | func HasChrootCapability() bool {
// Checking the capabilities should be enough, but in case there're
// problem retrieving them, fallback checking for the effective uid
// (hoping it hasn't dropped its CAP_SYS_CHROOT).
caps, err := capability.NewPid(0)
if err == nil {
return caps.Get(capability.EFFECTIVE, capability.CAP_SYS_CHROOT)
} else {
return os.Geteuid() == 0
}
} | go | func HasChrootCapability() bool {
// Checking the capabilities should be enough, but in case there're
// problem retrieving them, fallback checking for the effective uid
// (hoping it hasn't dropped its CAP_SYS_CHROOT).
caps, err := capability.NewPid(0)
if err == nil {
return caps.Get(capability.EFFECTIVE, capability.CAP_SYS_CHROOT)
} else {
return os.Geteuid() == 0
}
} | [
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] | // HasChrootCapability checks if the current process has the CAP_SYS_CHROOT
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/sys/capability.go#L25-L35 | train |
rkt/rkt | pkg/group/group.go | LookupGidFromFile | func LookupGidFromFile(groupName, groupFile string) (gid int, err error) {
groups, err := parseGroupFile(groupFile)
if err != nil {
return -1, errwrap.Wrap(fmt.Errorf("error parsing %q file", groupFile), err)
}
group, ok := groups[groupName]
if !ok {
return -1, fmt.Errorf("%q group not found", groupName)
}
return group.Gid, nil
} | go | func LookupGidFromFile(groupName, groupFile string) (gid int, err error) {
groups, err := parseGroupFile(groupFile)
if err != nil {
return -1, errwrap.Wrap(fmt.Errorf("error parsing %q file", groupFile), err)
}
group, ok := groups[groupName]
if !ok {
return -1, fmt.Errorf("%q group not found", groupName)
}
return group.Gid, nil
} | [
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"}"
] | // LookupGid reads the group file specified by groupFile, and returns the gid of the group
// specified by groupName. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/group/group.go#L43-L55 | train |
rkt/rkt | pkg/lock/keylock.go | TryExclusiveKeyLock | func TryExclusiveKeyLock(lockDir string, key string) (*KeyLock, error) {
return createAndLock(lockDir, key, keyLockExclusive|keyLockNonBlocking)
} | go | func TryExclusiveKeyLock(lockDir string, key string) (*KeyLock, error) {
return createAndLock(lockDir, key, keyLockExclusive|keyLockNonBlocking)
} | [
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"}"
] | // TryExclusiveLock takes an exclusive lock on the key without blocking.
// lockDir is the directory where the lock file will be created.
// It will return ErrLocked if any lock is already held. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/lock/keylock.go#L94-L96 | train |
rkt/rkt | pkg/lock/keylock.go | ExclusiveKeyLock | func ExclusiveKeyLock(lockDir string, key string) (*KeyLock, error) {
return createAndLock(lockDir, key, keyLockExclusive)
} | go | func ExclusiveKeyLock(lockDir string, key string) (*KeyLock, error) {
return createAndLock(lockDir, key, keyLockExclusive)
} | [
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"}"
] | // ExclusiveLock takes an exclusive lock on a key.
// lockDir is the directory where the lock file will be created.
// It will block if an exclusive lock is already held on the key. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/lock/keylock.go#L109-L111 | train |
rkt/rkt | pkg/lock/keylock.go | Unlock | func (l *KeyLock) Unlock() error {
err := l.keyLock.Unlock()
if err != nil {
return err
}
return nil
} | go | func (l *KeyLock) Unlock() error {
err := l.keyLock.Unlock()
if err != nil {
return err
}
return nil
} | [
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"}",
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"}"
] | // Unlock unlocks the key lock. | [
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"."
] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/lock/keylock.go#L238-L244 | train |
rkt/rkt | pkg/lock/keylock.go | CleanKeyLocks | func CleanKeyLocks(lockDir string) error {
f, err := os.Open(lockDir)
if err != nil {
return errwrap.Wrap(errors.New("error opening lockDir"), err)
}
defer f.Close()
files, err := f.Readdir(0)
if err != nil {
return errwrap.Wrap(errors.New("error getting lock files list"), err)
}
for _, f := range files {
filename := filepath.Join(lockDir, f.Name())
keyLock, err := TryExclusiveKeyLock(lockDir, f.Name())
if err == ErrLocked {
continue
}
if err != nil {
return err
}
err = os.Remove(filename)
if err != nil {
keyLock.Close()
return errwrap.Wrap(errors.New("error removing lock file"), err)
}
keyLock.Close()
}
return nil
} | go | func CleanKeyLocks(lockDir string) error {
f, err := os.Open(lockDir)
if err != nil {
return errwrap.Wrap(errors.New("error opening lockDir"), err)
}
defer f.Close()
files, err := f.Readdir(0)
if err != nil {
return errwrap.Wrap(errors.New("error getting lock files list"), err)
}
for _, f := range files {
filename := filepath.Join(lockDir, f.Name())
keyLock, err := TryExclusiveKeyLock(lockDir, f.Name())
if err == ErrLocked {
continue
}
if err != nil {
return err
}
err = os.Remove(filename)
if err != nil {
keyLock.Close()
return errwrap.Wrap(errors.New("error removing lock file"), err)
}
keyLock.Close()
}
return nil
} | [
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")",
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"}",
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"}"
] | // CleanKeyLocks remove lock files from the lockDir.
// For every key it tries to take an Exclusive lock on it and skip it if it
// fails with ErrLocked | [
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"ErrLocked"
] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/lock/keylock.go#L249-L277 | train |
rkt/rkt | rkt/pubkey/pubkey.go | GetPubKeyLocations | func (m *Manager) GetPubKeyLocations(prefix string) ([]string, error) {
ensureLogger(m.Debug)
if prefix == "" {
return nil, fmt.Errorf("empty prefix")
}
kls, err := m.metaDiscoverPubKeyLocations(prefix)
if err != nil {
return nil, errwrap.Wrap(errors.New("prefix meta discovery error"), err)
}
if len(kls) == 0 {
return nil, fmt.Errorf("meta discovery on %s resulted in no keys", prefix)
}
return kls, nil
} | go | func (m *Manager) GetPubKeyLocations(prefix string) ([]string, error) {
ensureLogger(m.Debug)
if prefix == "" {
return nil, fmt.Errorf("empty prefix")
}
kls, err := m.metaDiscoverPubKeyLocations(prefix)
if err != nil {
return nil, errwrap.Wrap(errors.New("prefix meta discovery error"), err)
}
if len(kls) == 0 {
return nil, fmt.Errorf("meta discovery on %s resulted in no keys", prefix)
}
return kls, nil
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/pubkey/pubkey.go#L72-L88 | train |
rkt/rkt | rkt/pubkey/pubkey.go | AddKeys | func (m *Manager) AddKeys(pkls []string, prefix string, accept AcceptOption) error {
ensureLogger(m.Debug)
if m.Ks == nil {
return fmt.Errorf("no keystore available to add keys to")
}
for _, pkl := range pkls {
u, err := url.Parse(pkl)
if err != nil {
return err
}
pk, err := m.getPubKey(u)
if err != nil {
return errwrap.Wrap(fmt.Errorf("error accessing the key %s", pkl), err)
}
defer pk.Close()
err = displayKey(prefix, pkl, pk)
if err != nil {
return errwrap.Wrap(fmt.Errorf("error displaying the key %s", pkl), err)
}
if m.TrustKeysFromHTTPS && u.Scheme == "https" {
accept = AcceptForce
}
if accept == AcceptAsk {
if !terminal.IsTerminal(int(os.Stdin.Fd())) || !terminal.IsTerminal(int(os.Stderr.Fd())) {
log.Printf("To trust the key for %q, do one of the following:", prefix)
log.Printf(" - call rkt with --trust-keys-from-https")
log.Printf(" - run: rkt trust --prefix %q", prefix)
return fmt.Errorf("error reviewing key: unable to ask user to review fingerprint due to lack of tty")
}
accepted, err := reviewKey()
if err != nil {
return errwrap.Wrap(errors.New("error reviewing key"), err)
}
if !accepted {
log.Printf("not trusting %q", pkl)
continue
}
}
if accept == AcceptForce {
stdout.Printf("Trusting %q for prefix %q without fingerprint review.", pkl, prefix)
} else {
stdout.Printf("Trusting %q for prefix %q after fingerprint review.", pkl, prefix)
}
if prefix == "" {
path, err := m.Ks.StoreTrustedKeyRoot(pk)
if err != nil {
return errwrap.Wrap(errors.New("error adding root key"), err)
}
stdout.Printf("Added root key at %q", path)
} else {
path, err := m.Ks.StoreTrustedKeyPrefix(prefix, pk)
if err != nil {
return errwrap.Wrap(fmt.Errorf("error adding key for prefix %q", prefix), err)
}
stdout.Printf("Added key for prefix %q at %q", prefix, path)
}
}
return nil
} | go | func (m *Manager) AddKeys(pkls []string, prefix string, accept AcceptOption) error {
ensureLogger(m.Debug)
if m.Ks == nil {
return fmt.Errorf("no keystore available to add keys to")
}
for _, pkl := range pkls {
u, err := url.Parse(pkl)
if err != nil {
return err
}
pk, err := m.getPubKey(u)
if err != nil {
return errwrap.Wrap(fmt.Errorf("error accessing the key %s", pkl), err)
}
defer pk.Close()
err = displayKey(prefix, pkl, pk)
if err != nil {
return errwrap.Wrap(fmt.Errorf("error displaying the key %s", pkl), err)
}
if m.TrustKeysFromHTTPS && u.Scheme == "https" {
accept = AcceptForce
}
if accept == AcceptAsk {
if !terminal.IsTerminal(int(os.Stdin.Fd())) || !terminal.IsTerminal(int(os.Stderr.Fd())) {
log.Printf("To trust the key for %q, do one of the following:", prefix)
log.Printf(" - call rkt with --trust-keys-from-https")
log.Printf(" - run: rkt trust --prefix %q", prefix)
return fmt.Errorf("error reviewing key: unable to ask user to review fingerprint due to lack of tty")
}
accepted, err := reviewKey()
if err != nil {
return errwrap.Wrap(errors.New("error reviewing key"), err)
}
if !accepted {
log.Printf("not trusting %q", pkl)
continue
}
}
if accept == AcceptForce {
stdout.Printf("Trusting %q for prefix %q without fingerprint review.", pkl, prefix)
} else {
stdout.Printf("Trusting %q for prefix %q after fingerprint review.", pkl, prefix)
}
if prefix == "" {
path, err := m.Ks.StoreTrustedKeyRoot(pk)
if err != nil {
return errwrap.Wrap(errors.New("error adding root key"), err)
}
stdout.Printf("Added root key at %q", path)
} else {
path, err := m.Ks.StoreTrustedKeyPrefix(prefix, pk)
if err != nil {
return errwrap.Wrap(fmt.Errorf("error adding key for prefix %q", prefix), err)
}
stdout.Printf("Added key for prefix %q at %q", prefix, path)
}
}
return nil
} | [
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] | // AddKeys adds the keys listed in pkls at prefix | [
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"pkls",
"at",
"prefix"
] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/pubkey/pubkey.go#L91-L155 | train |
rkt/rkt | rkt/pubkey/pubkey.go | metaDiscoverPubKeyLocations | func (m *Manager) metaDiscoverPubKeyLocations(prefix string) ([]string, error) {
app, err := discovery.NewAppFromString(prefix)
if err != nil {
return nil, err
}
hostHeaders := config.ResolveAuthPerHost(m.AuthPerHost)
insecure := discovery.InsecureNone
if m.InsecureAllowHTTP {
insecure = insecure | discovery.InsecureHTTP
}
if m.InsecureSkipTLSCheck {
insecure = insecure | discovery.InsecureTLS
}
keys, attempts, err := discovery.DiscoverPublicKeys(*app, hostHeaders, insecure, 0)
if err != nil && m.Debug {
for _, a := range attempts {
log.PrintE(fmt.Sprintf("meta tag 'ac-discovery-pubkeys' not found on %s", a.Prefix), a.Error)
}
}
return keys, err
} | go | func (m *Manager) metaDiscoverPubKeyLocations(prefix string) ([]string, error) {
app, err := discovery.NewAppFromString(prefix)
if err != nil {
return nil, err
}
hostHeaders := config.ResolveAuthPerHost(m.AuthPerHost)
insecure := discovery.InsecureNone
if m.InsecureAllowHTTP {
insecure = insecure | discovery.InsecureHTTP
}
if m.InsecureSkipTLSCheck {
insecure = insecure | discovery.InsecureTLS
}
keys, attempts, err := discovery.DiscoverPublicKeys(*app, hostHeaders, insecure, 0)
if err != nil && m.Debug {
for _, a := range attempts {
log.PrintE(fmt.Sprintf("meta tag 'ac-discovery-pubkeys' not found on %s", a.Prefix), a.Error)
}
}
return keys, err
} | [
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] | // metaDiscoverPubKeyLocations discovers the locations of public keys through ACDiscovery by applying prefix as an ACApp | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/pubkey/pubkey.go#L158-L181 | train |
rkt/rkt | rkt/pubkey/pubkey.go | downloadKey | func downloadKey(u *url.URL, skipTLSCheck bool) (*os.File, error) {
tf, err := ioutil.TempFile("", "")
if err != nil {
return nil, errwrap.Wrap(errors.New("error creating tempfile"), err)
}
os.Remove(tf.Name()) // no need to keep the tempfile around
defer func() {
if tf != nil {
tf.Close()
}
}()
// TODO(krnowak): we should probably apply credential headers
// from config here
var client *http.Client
if skipTLSCheck {
client = insecureClient
} else {
client = secureClient
}
res, err := client.Get(u.String())
if err != nil {
return nil, errwrap.Wrap(errors.New("error getting key"), err)
}
defer res.Body.Close()
if res.StatusCode != http.StatusOK {
return nil, fmt.Errorf("bad HTTP status code: %d", res.StatusCode)
}
if _, err := io.Copy(tf, res.Body); err != nil {
return nil, errwrap.Wrap(errors.New("error copying key"), err)
}
if _, err = tf.Seek(0, os.SEEK_SET); err != nil {
return nil, errwrap.Wrap(errors.New("error seeking"), err)
}
retTf := tf
tf = nil
return retTf, nil
} | go | func downloadKey(u *url.URL, skipTLSCheck bool) (*os.File, error) {
tf, err := ioutil.TempFile("", "")
if err != nil {
return nil, errwrap.Wrap(errors.New("error creating tempfile"), err)
}
os.Remove(tf.Name()) // no need to keep the tempfile around
defer func() {
if tf != nil {
tf.Close()
}
}()
// TODO(krnowak): we should probably apply credential headers
// from config here
var client *http.Client
if skipTLSCheck {
client = insecureClient
} else {
client = secureClient
}
res, err := client.Get(u.String())
if err != nil {
return nil, errwrap.Wrap(errors.New("error getting key"), err)
}
defer res.Body.Close()
if res.StatusCode != http.StatusOK {
return nil, fmt.Errorf("bad HTTP status code: %d", res.StatusCode)
}
if _, err := io.Copy(tf, res.Body); err != nil {
return nil, errwrap.Wrap(errors.New("error copying key"), err)
}
if _, err = tf.Seek(0, os.SEEK_SET); err != nil {
return nil, errwrap.Wrap(errors.New("error seeking"), err)
}
retTf := tf
tf = nil
return retTf, nil
} | [
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] | // downloadKey retrieves the file, storing it in a deleted tempfile | [
"downloadKey",
"retrieves",
"the",
"file",
"storing",
"it",
"in",
"a",
"deleted",
"tempfile"
] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/pubkey/pubkey.go#L201-L244 | train |
rkt/rkt | rkt/pubkey/pubkey.go | displayKey | func displayKey(prefix, location string, key *os.File) error {
defer key.Seek(0, os.SEEK_SET)
kr, err := openpgp.ReadArmoredKeyRing(key)
if err != nil {
return errwrap.Wrap(errors.New("error reading key"), err)
}
log.Printf("prefix: %q\nkey: %q", prefix, location)
for _, k := range kr {
stdout.Printf("gpg key fingerprint is: %s", fingerToString(k.PrimaryKey.Fingerprint))
for _, sk := range k.Subkeys {
stdout.Printf(" Subkey fingerprint: %s", fingerToString(sk.PublicKey.Fingerprint))
}
for n := range k.Identities {
stdout.Printf("\t%s", n)
}
}
return nil
} | go | func displayKey(prefix, location string, key *os.File) error {
defer key.Seek(0, os.SEEK_SET)
kr, err := openpgp.ReadArmoredKeyRing(key)
if err != nil {
return errwrap.Wrap(errors.New("error reading key"), err)
}
log.Printf("prefix: %q\nkey: %q", prefix, location)
for _, k := range kr {
stdout.Printf("gpg key fingerprint is: %s", fingerToString(k.PrimaryKey.Fingerprint))
for _, sk := range k.Subkeys {
stdout.Printf(" Subkey fingerprint: %s", fingerToString(sk.PublicKey.Fingerprint))
}
for n := range k.Identities {
stdout.Printf("\t%s", n)
}
}
return nil
} | [
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] | // displayKey shows the key summary | [
"displayKey",
"shows",
"the",
"key",
"summary"
] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/pubkey/pubkey.go#L275-L296 | train |
rkt/rkt | rkt/pubkey/pubkey.go | reviewKey | func reviewKey() (bool, error) {
in := bufio.NewReader(os.Stdin)
for {
stdout.Printf("Are you sure you want to trust this key (yes/no)?")
input, err := in.ReadString('\n')
if err != nil {
return false, errwrap.Wrap(errors.New("error reading input"), err)
}
switch input {
case "yes\n":
return true, nil
case "no\n":
return false, nil
default:
stdout.Printf("Please enter 'yes' or 'no'")
}
}
} | go | func reviewKey() (bool, error) {
in := bufio.NewReader(os.Stdin)
for {
stdout.Printf("Are you sure you want to trust this key (yes/no)?")
input, err := in.ReadString('\n')
if err != nil {
return false, errwrap.Wrap(errors.New("error reading input"), err)
}
switch input {
case "yes\n":
return true, nil
case "no\n":
return false, nil
default:
stdout.Printf("Please enter 'yes' or 'no'")
}
}
} | [
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] | // reviewKey asks the user to accept the key | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/pubkey/pubkey.go#L299-L316 | train |
rkt/rkt | networking/kvm.go | setupTapDevice | func setupTapDevice(podID types.UUID) (netlink.Link, error) {
// network device names are limited to 16 characters
// the suffix %d will be replaced by the kernel with a suitable number
nameTemplate := fmt.Sprintf("rkt-%s-tap%%d", podID.String()[0:4])
ifName, err := tuntap.CreatePersistentIface(nameTemplate, tuntap.Tap)
if err != nil {
return nil, errwrap.Wrap(errors.New("tuntap persist"), err)
}
link, err := netlink.LinkByName(ifName)
if err != nil {
return nil, errwrap.Wrap(fmt.Errorf("cannot find link %q", ifName), err)
}
if err := netlink.LinkSetUp(link); err != nil {
return nil, errwrap.Wrap(fmt.Errorf("cannot set link up %q", ifName), err)
}
return link, nil
} | go | func setupTapDevice(podID types.UUID) (netlink.Link, error) {
// network device names are limited to 16 characters
// the suffix %d will be replaced by the kernel with a suitable number
nameTemplate := fmt.Sprintf("rkt-%s-tap%%d", podID.String()[0:4])
ifName, err := tuntap.CreatePersistentIface(nameTemplate, tuntap.Tap)
if err != nil {
return nil, errwrap.Wrap(errors.New("tuntap persist"), err)
}
link, err := netlink.LinkByName(ifName)
if err != nil {
return nil, errwrap.Wrap(fmt.Errorf("cannot find link %q", ifName), err)
}
if err := netlink.LinkSetUp(link); err != nil {
return nil, errwrap.Wrap(fmt.Errorf("cannot set link up %q", ifName), err)
}
return link, nil
} | [
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] | // setupTapDevice creates persistent tap device
// and returns a newly created netlink.Link structure | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/networking/kvm.go#L59-L77 | train |
rkt/rkt | networking/kvm.go | setupMacVTapDevice | func setupMacVTapDevice(podID types.UUID, config MacVTapNetConf, interfaceNumber int) (netlink.Link, error) {
master, err := netlink.LinkByName(config.Master)
if err != nil {
return nil, errwrap.Wrap(fmt.Errorf("cannot find master device '%v'", config.Master), err)
}
var mode netlink.MacvlanMode
switch config.Mode {
// if not set - defaults to bridge mode as in:
// https://github.com/rkt/rkt/blob/master/Documentation/networking.md#macvlan
case "", "bridge":
mode = netlink.MACVLAN_MODE_BRIDGE
case "private":
mode = netlink.MACVLAN_MODE_PRIVATE
case "vepa":
mode = netlink.MACVLAN_MODE_VEPA
case "passthru":
mode = netlink.MACVLAN_MODE_PASSTHRU
default:
return nil, fmt.Errorf("unsupported macvtap mode: %v", config.Mode)
}
mtu := master.Attrs().MTU
if config.MTU != 0 {
mtu = config.MTU
}
interfaceName := fmt.Sprintf("rkt-%s-vtap%d", podID.String()[0:4], interfaceNumber)
link := &netlink.Macvtap{
Macvlan: netlink.Macvlan{
LinkAttrs: netlink.LinkAttrs{
Name: interfaceName,
MTU: mtu,
ParentIndex: master.Attrs().Index,
},
Mode: mode,
},
}
if err := netlink.LinkAdd(link); err != nil {
return nil, errwrap.Wrap(errors.New("cannot create macvtap interface"), err)
}
// TODO: duplicate following lines for ipv6 support, when it will be added in other places
ipv4SysctlValueName := fmt.Sprintf(IPv4InterfaceArpProxySysctlTemplate, interfaceName)
if _, err := cnisysctl.Sysctl(ipv4SysctlValueName, "1"); err != nil {
// remove the newly added link and ignore errors, because we already are in a failed state
_ = netlink.LinkDel(link)
return nil, errwrap.Wrap(fmt.Errorf("failed to set proxy_arp on newly added interface %q", interfaceName), err)
}
if err := netlink.LinkSetUp(link); err != nil {
// remove the newly added link and ignore errors, because we already are in a failed state
_ = netlink.LinkDel(link)
return nil, errwrap.Wrap(errors.New("cannot set up macvtap interface"), err)
}
return link, nil
} | go | func setupMacVTapDevice(podID types.UUID, config MacVTapNetConf, interfaceNumber int) (netlink.Link, error) {
master, err := netlink.LinkByName(config.Master)
if err != nil {
return nil, errwrap.Wrap(fmt.Errorf("cannot find master device '%v'", config.Master), err)
}
var mode netlink.MacvlanMode
switch config.Mode {
// if not set - defaults to bridge mode as in:
// https://github.com/rkt/rkt/blob/master/Documentation/networking.md#macvlan
case "", "bridge":
mode = netlink.MACVLAN_MODE_BRIDGE
case "private":
mode = netlink.MACVLAN_MODE_PRIVATE
case "vepa":
mode = netlink.MACVLAN_MODE_VEPA
case "passthru":
mode = netlink.MACVLAN_MODE_PASSTHRU
default:
return nil, fmt.Errorf("unsupported macvtap mode: %v", config.Mode)
}
mtu := master.Attrs().MTU
if config.MTU != 0 {
mtu = config.MTU
}
interfaceName := fmt.Sprintf("rkt-%s-vtap%d", podID.String()[0:4], interfaceNumber)
link := &netlink.Macvtap{
Macvlan: netlink.Macvlan{
LinkAttrs: netlink.LinkAttrs{
Name: interfaceName,
MTU: mtu,
ParentIndex: master.Attrs().Index,
},
Mode: mode,
},
}
if err := netlink.LinkAdd(link); err != nil {
return nil, errwrap.Wrap(errors.New("cannot create macvtap interface"), err)
}
// TODO: duplicate following lines for ipv6 support, when it will be added in other places
ipv4SysctlValueName := fmt.Sprintf(IPv4InterfaceArpProxySysctlTemplate, interfaceName)
if _, err := cnisysctl.Sysctl(ipv4SysctlValueName, "1"); err != nil {
// remove the newly added link and ignore errors, because we already are in a failed state
_ = netlink.LinkDel(link)
return nil, errwrap.Wrap(fmt.Errorf("failed to set proxy_arp on newly added interface %q", interfaceName), err)
}
if err := netlink.LinkSetUp(link); err != nil {
// remove the newly added link and ignore errors, because we already are in a failed state
_ = netlink.LinkDel(link)
return nil, errwrap.Wrap(errors.New("cannot set up macvtap interface"), err)
}
return link, nil
} | [
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] | // setupTapDevice creates persistent macvtap device
// and returns a newly created netlink.Link structure
// using part of pod hash and interface number in interface name | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/networking/kvm.go#L92-L146 | train |
rkt/rkt | networking/kvm.go | kvmTeardown | func (n *Networking) kvmTeardown() {
if err := n.teardownForwarding(); err != nil {
stderr.PrintE("error removing forwarded ports (kvm)", err)
}
n.teardownKvmNets()
} | go | func (n *Networking) kvmTeardown() {
if err := n.teardownForwarding(); err != nil {
stderr.PrintE("error removing forwarded ports (kvm)", err)
}
n.teardownKvmNets()
} | [
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"}",
"\n",
"n",
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"teardownKvmNets",
"(",
")",
"\n",
"}"
] | // kvmTeardown network teardown for kvm flavor based pods
// similar to Networking.Teardown but without host namespaces | [
"kvmTeardown",
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"teardown",
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"namespaces"
] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/networking/kvm.go#L705-L711 | train |
rkt/rkt | rkt/image/filefetcher.go | Hash | func (f *fileFetcher) Hash(aciPath string, a *asc) (string, error) {
ensureLogger(f.Debug)
absPath, err := filepath.Abs(aciPath)
if err != nil {
return "", errwrap.Wrap(fmt.Errorf("failed to get an absolute path for %q", aciPath), err)
}
aciPath = absPath
aciFile, err := f.getFile(aciPath, a)
if err != nil {
return "", err
}
defer aciFile.Close()
key, err := f.S.WriteACI(aciFile, imagestore.ACIFetchInfo{
Latest: false,
})
if err != nil {
return "", err
}
return key, nil
} | go | func (f *fileFetcher) Hash(aciPath string, a *asc) (string, error) {
ensureLogger(f.Debug)
absPath, err := filepath.Abs(aciPath)
if err != nil {
return "", errwrap.Wrap(fmt.Errorf("failed to get an absolute path for %q", aciPath), err)
}
aciPath = absPath
aciFile, err := f.getFile(aciPath, a)
if err != nil {
return "", err
}
defer aciFile.Close()
key, err := f.S.WriteACI(aciFile, imagestore.ACIFetchInfo{
Latest: false,
})
if err != nil {
return "", err
}
return key, nil
} | [
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] | // Hash opens a file, optionally verifies it against passed asc,
// stores it in the store and returns the hash. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/image/filefetcher.go#L39-L61 | train |
rkt/rkt | rkt/image/filefetcher.go | getVerifiedFile | func (f *fileFetcher) getVerifiedFile(aciPath string, a *asc) (*os.File, error) {
var aciFile *os.File // closed on error
var errClose error // error signaling to close aciFile
f.maybeOverrideAsc(aciPath, a)
ascFile, err := a.Get()
if err != nil {
return nil, errwrap.Wrap(errors.New("error opening signature file"), err)
}
defer ascFile.Close()
aciFile, err = os.Open(aciPath)
if err != nil {
return nil, errwrap.Wrap(errors.New("error opening ACI file"), err)
}
defer func() {
if errClose != nil {
aciFile.Close()
}
}()
validator, errClose := newValidator(aciFile)
if errClose != nil {
return nil, errClose
}
entity, errClose := validator.ValidateWithSignature(f.Ks, ascFile)
if errClose != nil {
return nil, errwrap.Wrap(fmt.Errorf("image %q verification failed", validator.ImageName()), errClose)
}
printIdentities(entity)
return aciFile, nil
} | go | func (f *fileFetcher) getVerifiedFile(aciPath string, a *asc) (*os.File, error) {
var aciFile *os.File // closed on error
var errClose error // error signaling to close aciFile
f.maybeOverrideAsc(aciPath, a)
ascFile, err := a.Get()
if err != nil {
return nil, errwrap.Wrap(errors.New("error opening signature file"), err)
}
defer ascFile.Close()
aciFile, err = os.Open(aciPath)
if err != nil {
return nil, errwrap.Wrap(errors.New("error opening ACI file"), err)
}
defer func() {
if errClose != nil {
aciFile.Close()
}
}()
validator, errClose := newValidator(aciFile)
if errClose != nil {
return nil, errClose
}
entity, errClose := validator.ValidateWithSignature(f.Ks, ascFile)
if errClose != nil {
return nil, errwrap.Wrap(fmt.Errorf("image %q verification failed", validator.ImageName()), errClose)
}
printIdentities(entity)
return aciFile, nil
} | [
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] | // fetch opens and verifies the ACI. | [
"fetch",
"opens",
"and",
"verifies",
"the",
"ACI",
"."
] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/image/filefetcher.go#L82-L116 | train |
rkt/rkt | pkg/fs/mount.go | NewLoggingMounter | func NewLoggingMounter(m Mounter, um Unmounter, logf func(string, ...interface{})) MountUnmounter {
return &loggingMounter{m, um, logf}
} | go | func NewLoggingMounter(m Mounter, um Unmounter, logf func(string, ...interface{})) MountUnmounter {
return &loggingMounter{m, um, logf}
} | [
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] | // NewLoggingMounter returns a MountUnmounter that logs mount events using the given logger func. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/fs/mount.go#L56-L58 | train |
rkt/rkt | pkg/tpm/tpm.go | Extend | func Extend(description string) error {
connection := tpmclient.New("localhost:12041", timeout)
err := connection.Extend(15, 0x1000, nil, description)
return err
} | go | func Extend(description string) error {
connection := tpmclient.New("localhost:12041", timeout)
err := connection.Extend(15, 0x1000, nil, description)
return err
} | [
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"}"
] | // Extend extends the TPM log with the provided string. Returns any error. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/pkg/tpm/tpm.go#L29-L33 | train |
rkt/rkt | common/common.go | Stage1RootfsPath | func Stage1RootfsPath(root string) string {
return filepath.Join(Stage1ImagePath(root), aci.RootfsDir)
} | go | func Stage1RootfsPath(root string) string {
return filepath.Join(Stage1ImagePath(root), aci.RootfsDir)
} | [
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",",
"aci",
".",
"RootfsDir",
")",
"\n",
"}"
] | // Stage1RootfsPath returns the path to the stage1 rootfs | [
"Stage1RootfsPath",
"returns",
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"stage1",
"rootfs"
] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/common/common.go#L101-L103 | train |
rkt/rkt | common/common.go | Stage1ManifestPath | func Stage1ManifestPath(root string) string {
return filepath.Join(Stage1ImagePath(root), aci.ManifestFile)
} | go | func Stage1ManifestPath(root string) string {
return filepath.Join(Stage1ImagePath(root), aci.ManifestFile)
} | [
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] | // Stage1ManifestPath returns the path to the stage1's manifest file inside the expanded ACI. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/common/common.go#L106-L108 | train |
rkt/rkt | common/common.go | AppStatusPath | func AppStatusPath(root, appName string) string {
return filepath.Join(AppsStatusesPath(root), appName)
} | go | func AppStatusPath(root, appName string) string {
return filepath.Join(AppsStatusesPath(root), appName)
} | [
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] | // AppStatusPath returns the path of the status file of an app. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/common/common.go#L140-L142 | train |
rkt/rkt | common/common.go | AppStatusPathFromStage1Rootfs | func AppStatusPathFromStage1Rootfs(rootfs, appName string) string {
return filepath.Join(AppsStatusesPathFromStage1Rootfs(rootfs), appName)
} | go | func AppStatusPathFromStage1Rootfs(rootfs, appName string) string {
return filepath.Join(AppsStatusesPathFromStage1Rootfs(rootfs), appName)
} | [
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] | // AppStatusPathFromStage1Rootfs returns the path of the status file of an app.
// It receives the stage1 rootfs as parameter instead of the pod root. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/common/common.go#L146-L148 | train |
rkt/rkt | common/common.go | AppPath | func AppPath(root string, appName types.ACName) string {
return filepath.Join(AppsPath(root), appName.String())
} | go | func AppPath(root string, appName types.ACName) string {
return filepath.Join(AppsPath(root), appName.String())
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/common/common.go#L182-L184 | train |
rkt/rkt | common/common.go | AppRootfsPath | func AppRootfsPath(root string, appName types.ACName) string {
return filepath.Join(AppPath(root, appName), aci.RootfsDir)
} | go | func AppRootfsPath(root string, appName types.ACName) string {
return filepath.Join(AppPath(root, appName), aci.RootfsDir)
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/common/common.go#L187-L189 | train |
rkt/rkt | common/common.go | RelAppPath | func RelAppPath(appName types.ACName) string {
return filepath.Join(stage2Dir, appName.String())
} | go | func RelAppPath(appName types.ACName) string {
return filepath.Join(stage2Dir, appName.String())
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/common/common.go#L192-L194 | train |
rkt/rkt | common/common.go | RelAppRootfsPath | func RelAppRootfsPath(appName types.ACName) string {
return filepath.Join(RelAppPath(appName), aci.RootfsDir)
} | go | func RelAppRootfsPath(appName types.ACName) string {
return filepath.Join(RelAppPath(appName), aci.RootfsDir)
} | [
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] | // RelAppRootfsPath returns the path of an app's rootfs relative to the stage1 chroot. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/common/common.go#L197-L199 | train |
rkt/rkt | common/common.go | ImageManifestPath | func ImageManifestPath(root string, appName types.ACName) string {
return filepath.Join(AppPath(root, appName), aci.ManifestFile)
} | go | func ImageManifestPath(root string, appName types.ACName) string {
return filepath.Join(AppPath(root, appName), aci.ManifestFile)
} | [
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"}"
] | // ImageManifestPath returns the path to the app's manifest file of a pod. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/common/common.go#L202-L204 | train |
rkt/rkt | common/common.go | AppInfoPath | func AppInfoPath(root string, appName types.ACName) string {
return filepath.Join(AppsInfoPath(root), appName.String())
} | go | func AppInfoPath(root string, appName types.ACName) string {
return filepath.Join(AppsInfoPath(root), appName.String())
} | [
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rkt/rkt | common/common.go | AppTreeStoreIDPath | func AppTreeStoreIDPath(root string, appName types.ACName) string {
return filepath.Join(AppInfoPath(root, appName), AppTreeStoreIDFilename)
} | go | func AppTreeStoreIDPath(root string, appName types.ACName) string {
return filepath.Join(AppInfoPath(root, appName), AppTreeStoreIDFilename)
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rkt/rkt | common/common.go | AppImageManifestPath | func AppImageManifestPath(root string, appName types.ACName) string {
return filepath.Join(AppInfoPath(root, appName), aci.ManifestFile)
} | go | func AppImageManifestPath(root string, appName types.ACName) string {
return filepath.Join(AppInfoPath(root, appName), aci.ManifestFile)
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/common/common.go#L222-L224 | train |
rkt/rkt | common/common.go | CreateSharedVolumesPath | func CreateSharedVolumesPath(root string) (string, error) {
sharedVolPath := SharedVolumesPath(root)
if err := os.MkdirAll(sharedVolPath, SharedVolumePerm); err != nil {
return "", errwrap.Wrap(errors.New("could not create shared volumes directory"), err)
}
// In case it already existed and we didn't make it, ensure permissions are
// what the caller expects them to be.
if err := os.Chmod(sharedVolPath, SharedVolumePerm); err != nil {
return "", errwrap.Wrap(fmt.Errorf("could not change permissions of %q", sharedVolPath), err)
}
return sharedVolPath, nil
} | go | func CreateSharedVolumesPath(root string) (string, error) {
sharedVolPath := SharedVolumesPath(root)
if err := os.MkdirAll(sharedVolPath, SharedVolumePerm); err != nil {
return "", errwrap.Wrap(errors.New("could not create shared volumes directory"), err)
}
// In case it already existed and we didn't make it, ensure permissions are
// what the caller expects them to be.
if err := os.Chmod(sharedVolPath, SharedVolumePerm); err != nil {
return "", errwrap.Wrap(fmt.Errorf("could not change permissions of %q", sharedVolPath), err)
}
return sharedVolPath, nil
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rkt/rkt | common/common.go | MetadataServicePublicURL | func MetadataServicePublicURL(ip net.IP, token string) string {
return fmt.Sprintf("http://%v:%v/%v", ip, MetadataServicePort, token)
} | go | func MetadataServicePublicURL(ip net.IP, token string) string {
return fmt.Sprintf("http://%v:%v/%v", ip, MetadataServicePort, token)
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rkt/rkt | common/common.go | LookupPath | func LookupPath(bin string, paths string) (string, error) {
pathsArr := filepath.SplitList(paths)
for _, path := range pathsArr {
binPath := filepath.Join(path, bin)
binAbsPath, err := filepath.Abs(binPath)
if err != nil {
return "", fmt.Errorf("unable to find absolute path for %s", binPath)
}
if fileutil.IsExecutable(binAbsPath) {
return binAbsPath, nil
}
}
return "", fmt.Errorf("unable to find %q in %q", bin, paths)
} | go | func LookupPath(bin string, paths string) (string, error) {
pathsArr := filepath.SplitList(paths)
for _, path := range pathsArr {
binPath := filepath.Join(path, bin)
binAbsPath, err := filepath.Abs(binPath)
if err != nil {
return "", fmt.Errorf("unable to find absolute path for %s", binPath)
}
if fileutil.IsExecutable(binAbsPath) {
return binAbsPath, nil
}
}
return "", fmt.Errorf("unable to find %q in %q", bin, paths)
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rkt/rkt | common/common.go | SystemdVersion | func SystemdVersion(systemdBinaryPath string) (int, error) {
versionBytes, err := exec.Command(systemdBinaryPath, "--version").CombinedOutput()
if err != nil {
return -1, errwrap.Wrap(fmt.Errorf("unable to probe %s version", systemdBinaryPath), err)
}
versionStr := strings.SplitN(string(versionBytes), "\n", 2)[0]
var version int
n, err := fmt.Sscanf(versionStr, "systemd %d", &version)
if err != nil || n != 1 {
return -1, fmt.Errorf("cannot parse version: %q", versionStr)
}
return version, nil
} | go | func SystemdVersion(systemdBinaryPath string) (int, error) {
versionBytes, err := exec.Command(systemdBinaryPath, "--version").CombinedOutput()
if err != nil {
return -1, errwrap.Wrap(fmt.Errorf("unable to probe %s version", systemdBinaryPath), err)
}
versionStr := strings.SplitN(string(versionBytes), "\n", 2)[0]
var version int
n, err := fmt.Sscanf(versionStr, "systemd %d", &version)
if err != nil || n != 1 {
return -1, fmt.Errorf("cannot parse version: %q", versionStr)
}
return version, nil
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/common/common.go#L391-L404 | train |
rkt/rkt | common/common.go | SupportsOverlay | func SupportsOverlay() error {
// ignore exec.Command error, modprobe may not be present on the system,
// or the kernel module will fail to load.
// we'll find out by reading the side effect in /proc/filesystems
_ = exec.Command("modprobe", "overlay").Run()
f, err := os.Open("/proc/filesystems")
if err != nil {
// don't use errwrap so consumers can type-check on ErrOverlayUnsupported
return ErrOverlayUnsupported(fmt.Sprintf("cannot open /proc/filesystems: %v", err))
}
defer f.Close()
s := bufio.NewScanner(f)
for s.Scan() {
if s.Text() == "nodev\toverlay" {
return nil
}
}
return ErrOverlayUnsupported("overlay entry not present in /proc/filesystems")
} | go | func SupportsOverlay() error {
// ignore exec.Command error, modprobe may not be present on the system,
// or the kernel module will fail to load.
// we'll find out by reading the side effect in /proc/filesystems
_ = exec.Command("modprobe", "overlay").Run()
f, err := os.Open("/proc/filesystems")
if err != nil {
// don't use errwrap so consumers can type-check on ErrOverlayUnsupported
return ErrOverlayUnsupported(fmt.Sprintf("cannot open /proc/filesystems: %v", err))
}
defer f.Close()
s := bufio.NewScanner(f)
for s.Scan() {
if s.Text() == "nodev\toverlay" {
return nil
}
}
return ErrOverlayUnsupported("overlay entry not present in /proc/filesystems")
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rkt/rkt | common/common.go | RemoveEmptyLines | func RemoveEmptyLines(str string) []string {
lines := make([]string, 0)
for _, v := range strings.Split(str, "\n") {
if len(v) > 0 {
lines = append(lines, v)
}
}
return lines
} | go | func RemoveEmptyLines(str string) []string {
lines := make([]string, 0)
for _, v := range strings.Split(str, "\n") {
if len(v) > 0 {
lines = append(lines, v)
}
}
return lines
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rkt/rkt | common/common.go | GetExitStatus | func GetExitStatus(err error) (int, error) {
if err == nil {
return 0, nil
}
if exiterr, ok := err.(*exec.ExitError); ok {
// the program has exited with an exit code != 0
if status, ok := exiterr.Sys().(syscall.WaitStatus); ok {
return status.ExitStatus(), nil
}
}
return -1, err
} | go | func GetExitStatus(err error) (int, error) {
if err == nil {
return 0, nil
}
if exiterr, ok := err.(*exec.ExitError); ok {
// the program has exited with an exit code != 0
if status, ok := exiterr.Sys().(syscall.WaitStatus); ok {
return status.ExitStatus(), nil
}
}
return -1, err
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/common/common.go#L504-L515 | train |
rkt/rkt | common/common.go | ImageNameToAppName | func ImageNameToAppName(name types.ACIdentifier) (*types.ACName, error) {
parts := strings.Split(name.String(), "/")
last := parts[len(parts)-1]
sn, err := types.SanitizeACName(last)
if err != nil {
return nil, err
}
return types.MustACName(sn), nil
} | go | func ImageNameToAppName(name types.ACIdentifier) (*types.ACName, error) {
parts := strings.Split(name.String(), "/")
last := parts[len(parts)-1]
sn, err := types.SanitizeACName(last)
if err != nil {
return nil, err
}
return types.MustACName(sn), nil
} | [
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] | // ImageNameToAppName converts the full name of image to an app name without special
// characters - we use it as a default app name when specyfing it is optional | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/common/common.go#L545-L555 | train |
rkt/rkt | stage1/init/kvm/network.go | GetNetworkDescriptions | func GetNetworkDescriptions(n *networking.Networking) []NetDescriber {
var nds []NetDescriber
for _, an := range n.GetActiveNetworks() {
nds = append(nds, an)
}
return nds
} | go | func GetNetworkDescriptions(n *networking.Networking) []NetDescriber {
var nds []NetDescriber
for _, an := range n.GetActiveNetworks() {
nds = append(nds, an)
}
return nds
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/stage1/init/kvm/network.go#L32-L38 | train |
rkt/rkt | stage1/init/kvm/network.go | GetKVMNetArgs | func GetKVMNetArgs(nds []NetDescriber) ([]string, error) {
var lkvmArgs []string
for _, nd := range nds {
lkvmArgs = append(lkvmArgs, "--network")
lkvmArg := fmt.Sprintf("mode=tap,tapif=%s,host_ip=%s,guest_ip=%s", nd.IfName(), nd.Gateway(), nd.GuestIP())
lkvmArgs = append(lkvmArgs, lkvmArg)
}
return lkvmArgs, nil
} | go | func GetKVMNetArgs(nds []NetDescriber) ([]string, error) {
var lkvmArgs []string
for _, nd := range nds {
lkvmArgs = append(lkvmArgs, "--network")
lkvmArg := fmt.Sprintf("mode=tap,tapif=%s,host_ip=%s,guest_ip=%s", nd.IfName(), nd.Gateway(), nd.GuestIP())
lkvmArgs = append(lkvmArgs, lkvmArg)
}
return lkvmArgs, nil
} | [
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// to lkvm tool to configure networks properly.
// Logic is based on Network configuration extracted from Networking struct
// and essentially from activeNets that expose netDescriber behavior | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/stage1/init/kvm/network.go#L55-L66 | train |
rkt/rkt | stage1/init/kvm/network.go | generateMacAddress | func generateMacAddress() (net.HardwareAddr, error) {
mac := []byte{
2, // locally administered unicast
0x65, 0x02, // OUI (randomly chosen by jell)
0, 0, 0, // bytes to randomly overwrite
}
_, err := rand.Read(mac[3:6])
if err != nil {
return nil, errwrap.Wrap(errors.New("cannot generate random mac address"), err)
}
return mac, nil
} | go | func generateMacAddress() (net.HardwareAddr, error) {
mac := []byte{
2, // locally administered unicast
0x65, 0x02, // OUI (randomly chosen by jell)
0, 0, 0, // bytes to randomly overwrite
}
_, err := rand.Read(mac[3:6])
if err != nil {
return nil, errwrap.Wrap(errors.New("cannot generate random mac address"), err)
}
return mac, nil
} | [
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] | // generateMacAddress returns net.HardwareAddr filled with fixed 3 byte prefix
// complemented by 3 random bytes. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/stage1/init/kvm/network.go#L70-L83 | train |
rkt/rkt | tools/depsgen/util.go | replacePlaceholders | func replacePlaceholders(str string, kv ...string) string {
for ph, value := range toMap(kv...) {
str = strings.Replace(str, "!!!"+ph+"!!!", value, -1)
}
return str
} | go | func replacePlaceholders(str string, kv ...string) string {
for ph, value := range toMap(kv...) {
str = strings.Replace(str, "!!!"+ph+"!!!", value, -1)
}
return str
} | [
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] | // replacePlaceholders replaces placeholders with values in kv in
// initial str. Placeholders are in form of !!!FOO!!!, but those
// passed here should be without exclamation marks. | [
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rkt/rkt | tools/depsgen/util.go | standardFlags | func standardFlags(cmd string) (*flag.FlagSet, *string) {
f := flag.NewFlagSet(appName()+" "+cmd, flag.ExitOnError)
target := f.String("target", "", "Make target (example: $(FOO_BINARY))")
return f, target
} | go | func standardFlags(cmd string) (*flag.FlagSet, *string) {
f := flag.NewFlagSet(appName()+" "+cmd, flag.ExitOnError)
target := f.String("target", "", "Make target (example: $(FOO_BINARY))")
return f, target
} | [
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rkt/rkt | networking/net_plugin.go | netPluginAdd | func (e *podEnv) netPluginAdd(n *activeNet, netns string) error {
output, err := e.execNetPlugin("ADD", n, netns)
if err != nil {
return pluginErr(err, output)
}
pr := cnitypes.Result{}
if err = json.Unmarshal(output, &pr); err != nil {
err = errwrap.Wrap(fmt.Errorf("parsing %q", string(output)), err)
return errwrap.Wrap(fmt.Errorf("error parsing %q result", n.conf.Name), err)
}
if pr.IP4 == nil {
return nil // TODO(casey) should this be an error?
}
// All is well - mutate the runtime
n.runtime.MergeCNIResult(pr)
return nil
} | go | func (e *podEnv) netPluginAdd(n *activeNet, netns string) error {
output, err := e.execNetPlugin("ADD", n, netns)
if err != nil {
return pluginErr(err, output)
}
pr := cnitypes.Result{}
if err = json.Unmarshal(output, &pr); err != nil {
err = errwrap.Wrap(fmt.Errorf("parsing %q", string(output)), err)
return errwrap.Wrap(fmt.Errorf("error parsing %q result", n.conf.Name), err)
}
if pr.IP4 == nil {
return nil // TODO(casey) should this be an error?
}
// All is well - mutate the runtime
n.runtime.MergeCNIResult(pr)
return nil
} | [
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// the runtime information | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/networking/net_plugin.go#L54-L73 | train |
rkt/rkt | rkt/api_service.go | copyPod | func copyPod(pod *v1alpha.Pod) *v1alpha.Pod {
p := &v1alpha.Pod{
Id: pod.Id,
Manifest: pod.Manifest,
Annotations: pod.Annotations,
}
for _, app := range pod.Apps {
p.Apps = append(p.Apps, &v1alpha.App{
Name: app.Name,
Image: app.Image,
Annotations: app.Annotations,
})
}
return p
} | go | func copyPod(pod *v1alpha.Pod) *v1alpha.Pod {
p := &v1alpha.Pod{
Id: pod.Id,
Manifest: pod.Manifest,
Annotations: pod.Annotations,
}
for _, app := range pod.Apps {
p.Apps = append(p.Apps, &v1alpha.App{
Name: app.Name,
Image: app.Image,
Annotations: app.Annotations,
})
}
return p
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/api_service.go#L89-L104 | train |
rkt/rkt | rkt/api_service.go | copyImage | func copyImage(img *v1alpha.Image) *v1alpha.Image {
return &v1alpha.Image{
BaseFormat: img.BaseFormat,
Id: img.Id,
Name: img.Name,
Version: img.Version,
ImportTimestamp: img.ImportTimestamp,
Manifest: img.Manifest,
Size: img.Size,
Annotations: img.Annotations,
Labels: img.Labels,
}
} | go | func copyImage(img *v1alpha.Image) *v1alpha.Image {
return &v1alpha.Image{
BaseFormat: img.BaseFormat,
Id: img.Id,
Name: img.Name,
Version: img.Version,
ImportTimestamp: img.ImportTimestamp,
Manifest: img.Manifest,
Size: img.Size,
Annotations: img.Annotations,
Labels: img.Labels,
}
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/api_service.go#L107-L119 | train |
rkt/rkt | rkt/api_service.go | GetInfo | func (s *v1AlphaAPIServer) GetInfo(context.Context, *v1alpha.GetInfoRequest) (*v1alpha.GetInfoResponse, error) {
return &v1alpha.GetInfoResponse{
Info: &v1alpha.Info{
RktVersion: version.Version,
AppcVersion: schema.AppContainerVersion.String(),
ApiVersion: supportedAPIVersion,
GlobalFlags: &v1alpha.GlobalFlags{
Dir: getDataDir(),
SystemConfigDir: globalFlags.SystemConfigDir,
LocalConfigDir: globalFlags.LocalConfigDir,
UserConfigDir: globalFlags.UserConfigDir,
InsecureFlags: globalFlags.InsecureFlags.String(),
TrustKeysFromHttps: globalFlags.TrustKeysFromHTTPS,
},
},
}, nil
} | go | func (s *v1AlphaAPIServer) GetInfo(context.Context, *v1alpha.GetInfoRequest) (*v1alpha.GetInfoResponse, error) {
return &v1alpha.GetInfoResponse{
Info: &v1alpha.Info{
RktVersion: version.Version,
AppcVersion: schema.AppContainerVersion.String(),
ApiVersion: supportedAPIVersion,
GlobalFlags: &v1alpha.GlobalFlags{
Dir: getDataDir(),
SystemConfigDir: globalFlags.SystemConfigDir,
LocalConfigDir: globalFlags.LocalConfigDir,
UserConfigDir: globalFlags.UserConfigDir,
InsecureFlags: globalFlags.InsecureFlags.String(),
TrustKeysFromHttps: globalFlags.TrustKeysFromHTTPS,
},
},
}, nil
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/api_service.go#L154-L170 | train |
rkt/rkt | rkt/api_service.go | containsAllKeyValues | func containsAllKeyValues(actualKVs []*v1alpha.KeyValue, requiredKVs []*v1alpha.KeyValue) bool {
for _, requiredKV := range requiredKVs {
actualValue, ok := findInKeyValues(actualKVs, requiredKV.Key)
if !ok || actualValue != requiredKV.Value {
return false
}
}
return true
} | go | func containsAllKeyValues(actualKVs []*v1alpha.KeyValue, requiredKVs []*v1alpha.KeyValue) bool {
for _, requiredKV := range requiredKVs {
actualValue, ok := findInKeyValues(actualKVs, requiredKV.Key)
if !ok || actualValue != requiredKV.Value {
return false
}
}
return true
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rkt/rkt | rkt/api_service.go | satisfiesPodFilter | func satisfiesPodFilter(pod v1alpha.Pod, filter v1alpha.PodFilter) bool {
// Filter according to the ID.
if len(filter.Ids) > 0 {
s := set.NewString(filter.Ids...)
if !s.Has(pod.Id) {
return false
}
}
// Filter according to the state.
if len(filter.States) > 0 {
foundState := false
for _, state := range filter.States {
if pod.State == state {
foundState = true
break
}
}
if !foundState {
return false
}
}
// Filter according to the app names.
if len(filter.AppNames) > 0 {
s := set.NewString()
for _, app := range pod.Apps {
s.Insert(app.Name)
}
if !s.HasAll(filter.AppNames...) {
return false
}
}
// Filter according to the image IDs.
if len(filter.ImageIds) > 0 {
s := set.NewString()
for _, app := range pod.Apps {
s.Insert(app.Image.Id)
}
if !s.HasAll(filter.ImageIds...) {
return false
}
}
// Filter according to the network names.
if len(filter.NetworkNames) > 0 {
s := set.NewString()
for _, network := range pod.Networks {
s.Insert(network.Name)
}
if !s.HasAll(filter.NetworkNames...) {
return false
}
}
// Filter according to the annotations.
if len(filter.Annotations) > 0 {
if !containsAllKeyValues(pod.Annotations, filter.Annotations) {
return false
}
}
// Filter according to the cgroup.
if len(filter.Cgroups) > 0 {
s := set.NewString(filter.Cgroups...)
if !s.Has(pod.Cgroup) {
return false
}
}
// Filter if pod's cgroup is a prefix of the passed in cgroup
if len(filter.PodSubCgroups) > 0 {
matched := false
if pod.Cgroup != "" {
for _, cgroup := range filter.PodSubCgroups {
if strings.HasPrefix(cgroup, pod.Cgroup) {
matched = true
break
}
}
}
if !matched {
return false
}
}
return true
} | go | func satisfiesPodFilter(pod v1alpha.Pod, filter v1alpha.PodFilter) bool {
// Filter according to the ID.
if len(filter.Ids) > 0 {
s := set.NewString(filter.Ids...)
if !s.Has(pod.Id) {
return false
}
}
// Filter according to the state.
if len(filter.States) > 0 {
foundState := false
for _, state := range filter.States {
if pod.State == state {
foundState = true
break
}
}
if !foundState {
return false
}
}
// Filter according to the app names.
if len(filter.AppNames) > 0 {
s := set.NewString()
for _, app := range pod.Apps {
s.Insert(app.Name)
}
if !s.HasAll(filter.AppNames...) {
return false
}
}
// Filter according to the image IDs.
if len(filter.ImageIds) > 0 {
s := set.NewString()
for _, app := range pod.Apps {
s.Insert(app.Image.Id)
}
if !s.HasAll(filter.ImageIds...) {
return false
}
}
// Filter according to the network names.
if len(filter.NetworkNames) > 0 {
s := set.NewString()
for _, network := range pod.Networks {
s.Insert(network.Name)
}
if !s.HasAll(filter.NetworkNames...) {
return false
}
}
// Filter according to the annotations.
if len(filter.Annotations) > 0 {
if !containsAllKeyValues(pod.Annotations, filter.Annotations) {
return false
}
}
// Filter according to the cgroup.
if len(filter.Cgroups) > 0 {
s := set.NewString(filter.Cgroups...)
if !s.Has(pod.Cgroup) {
return false
}
}
// Filter if pod's cgroup is a prefix of the passed in cgroup
if len(filter.PodSubCgroups) > 0 {
matched := false
if pod.Cgroup != "" {
for _, cgroup := range filter.PodSubCgroups {
if strings.HasPrefix(cgroup, pod.Cgroup) {
matched = true
break
}
}
}
if !matched {
return false
}
}
return true
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// The pod, filter must not be nil. | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/api_service.go#L210-L299 | train |
rkt/rkt | rkt/api_service.go | satisfiesAnyPodFilters | func satisfiesAnyPodFilters(pod *v1alpha.Pod, filters []*v1alpha.PodFilter) bool {
// No filters, return true directly.
if len(filters) == 0 {
return true
}
for _, filter := range filters {
if satisfiesPodFilter(*pod, *filter) {
return true
}
}
return false
} | go | func satisfiesAnyPodFilters(pod *v1alpha.Pod, filters []*v1alpha.PodFilter) bool {
// No filters, return true directly.
if len(filters) == 0 {
return true
}
for _, filter := range filters {
if satisfiesPodFilter(*pod, *filter) {
return true
}
}
return false
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rkt/rkt | rkt/api_service.go | getApplist | func getApplist(manifest *schema.PodManifest) []*v1alpha.App {
var apps []*v1alpha.App
for _, app := range manifest.Apps {
img := &v1alpha.Image{
BaseFormat: &v1alpha.ImageFormat{
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Type: v1alpha.ImageType_IMAGE_TYPE_APPC,
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},
Id: app.Image.ID.String(),
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}
apps = append(apps, &v1alpha.App{
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Image: img,
Annotations: convertAnnotationsToKeyValue(app.Annotations),
State: v1alpha.AppState_APP_STATE_UNDEFINED,
ExitCode: -1,
})
}
return apps
} | go | func getApplist(manifest *schema.PodManifest) []*v1alpha.App {
var apps []*v1alpha.App
for _, app := range manifest.Apps {
img := &v1alpha.Image{
BaseFormat: &v1alpha.ImageFormat{
// Only support appc image now. If it's a docker image, then it
// will be transformed to appc before storing in the disk store.
Type: v1alpha.ImageType_IMAGE_TYPE_APPC,
Version: schema.AppContainerVersion.String(),
},
Id: app.Image.ID.String(),
// Only image format and image ID are returned in 'ListPods()'.
}
apps = append(apps, &v1alpha.App{
Name: app.Name.String(),
Image: img,
Annotations: convertAnnotationsToKeyValue(app.Annotations),
State: v1alpha.AppState_APP_STATE_UNDEFINED,
ExitCode: -1,
})
}
return apps
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/api_service.go#L370-L393 | train |
rkt/rkt | rkt/api_service.go | getNetworks | func getNetworks(p *pkgPod.Pod) []*v1alpha.Network {
var networks []*v1alpha.Network
for _, n := range p.Nets {
networks = append(networks, &v1alpha.Network{
Name: n.NetName,
// There will be IPv6 support soon so distinguish between v4 and v6
Ipv4: n.IP.String(),
})
}
return networks
} | go | func getNetworks(p *pkgPod.Pod) []*v1alpha.Network {
var networks []*v1alpha.Network
for _, n := range p.Nets {
networks = append(networks, &v1alpha.Network{
Name: n.NetName,
// There will be IPv6 support soon so distinguish between v4 and v6
Ipv4: n.IP.String(),
})
}
return networks
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/api_service.go#L396-L406 | train |
rkt/rkt | rkt/api_service.go | fillStaticAppInfo | func fillStaticAppInfo(store *imagestore.Store, pod *pkgPod.Pod, v1pod *v1alpha.Pod) error {
var errlist []error
// Fill static app image info.
for _, app := range v1pod.Apps {
// Fill app's image info.
app.Image = &v1alpha.Image{
BaseFormat: &v1alpha.ImageFormat{
// Only support appc image now. If it's a docker image, then it
// will be transformed to appc before storing in the disk store.
Type: v1alpha.ImageType_IMAGE_TYPE_APPC,
Version: schema.AppContainerVersion.String(),
},
Id: app.Image.Id,
// Other information are not available because they require the image
// info from store. Some of it is filled in below if possible.
}
im, err := pod.AppImageManifest(app.Name)
if err != nil {
stderr.PrintE(fmt.Sprintf("failed to get image manifests for app %q", app.Name), err)
errlist = append(errlist, err)
} else {
app.Image.Name = im.Name.String()
version, ok := im.Labels.Get("version")
if !ok {
version = "latest"
}
app.Image.Version = version
}
}
if len(errlist) != 0 {
return errs{errlist}
}
return nil
} | go | func fillStaticAppInfo(store *imagestore.Store, pod *pkgPod.Pod, v1pod *v1alpha.Pod) error {
var errlist []error
// Fill static app image info.
for _, app := range v1pod.Apps {
// Fill app's image info.
app.Image = &v1alpha.Image{
BaseFormat: &v1alpha.ImageFormat{
// Only support appc image now. If it's a docker image, then it
// will be transformed to appc before storing in the disk store.
Type: v1alpha.ImageType_IMAGE_TYPE_APPC,
Version: schema.AppContainerVersion.String(),
},
Id: app.Image.Id,
// Other information are not available because they require the image
// info from store. Some of it is filled in below if possible.
}
im, err := pod.AppImageManifest(app.Name)
if err != nil {
stderr.PrintE(fmt.Sprintf("failed to get image manifests for app %q", app.Name), err)
errlist = append(errlist, err)
} else {
app.Image.Name = im.Name.String()
version, ok := im.Labels.Get("version")
if !ok {
version = "latest"
}
app.Image.Version = version
}
}
if len(errlist) != 0 {
return errs{errlist}
}
return nil
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rkt/rkt | rkt/api_service.go | getBasicPod | func (s *v1AlphaAPIServer) getBasicPod(p *pkgPod.Pod) *v1alpha.Pod {
mtime, mtimeErr := getPodManifestModTime(p)
if mtimeErr != nil {
stderr.PrintE(fmt.Sprintf("failed to read the pod manifest's mtime for pod %q", p.UUID), mtimeErr)
}
// Couldn't use pod.uuid directly as it's a pointer.
itemValue, found := s.podCache.Get(p.UUID.String())
if found && mtimeErr == nil {
cacheItem := itemValue.(*podCacheItem)
// Check the mtime to make sure we are not returning stale manifests.
if !mtime.After(cacheItem.mtime) {
return copyPod(cacheItem.pod)
}
}
pod, err := s.getBasicPodFromDisk(p)
if mtimeErr != nil || err != nil {
// If any error happens or the mtime is unknown,
// returns the raw pod directly without adding it to the cache.
return pod
}
cacheItem := &podCacheItem{pod, mtime}
s.podCache.Add(p.UUID.String(), cacheItem)
// Return a copy of the pod, so the cached pod is not mutated later.
return copyPod(cacheItem.pod)
} | go | func (s *v1AlphaAPIServer) getBasicPod(p *pkgPod.Pod) *v1alpha.Pod {
mtime, mtimeErr := getPodManifestModTime(p)
if mtimeErr != nil {
stderr.PrintE(fmt.Sprintf("failed to read the pod manifest's mtime for pod %q", p.UUID), mtimeErr)
}
// Couldn't use pod.uuid directly as it's a pointer.
itemValue, found := s.podCache.Get(p.UUID.String())
if found && mtimeErr == nil {
cacheItem := itemValue.(*podCacheItem)
// Check the mtime to make sure we are not returning stale manifests.
if !mtime.After(cacheItem.mtime) {
return copyPod(cacheItem.pod)
}
}
pod, err := s.getBasicPodFromDisk(p)
if mtimeErr != nil || err != nil {
// If any error happens or the mtime is unknown,
// returns the raw pod directly without adding it to the cache.
return pod
}
cacheItem := &podCacheItem{pod, mtime}
s.podCache.Add(p.UUID.String(), cacheItem)
// Return a copy of the pod, so the cached pod is not mutated later.
return copyPod(cacheItem.pod)
} | [
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] | 0c8765619cae3391a9ffa12c8dbd12ba7a475eb8 | https://github.com/rkt/rkt/blob/0c8765619cae3391a9ffa12c8dbd12ba7a475eb8/rkt/api_service.go#L484-L513 | train |
End of preview. Expand
in Dataset Viewer.
Dataset is imported from CodeXGLUE and pre-processed using their script.
Where to find in Semeru:
The dataset can be found at /nfs/semeru/semeru_datasets/code_xglue/code-to-text/go in Semeru
CodeXGLUE -- Code-To-Text
Task Definition
The task is to generate natural language comments for a code, and evaluted by smoothed bleu-4 score.
Dataset
The dataset we use comes from CodeSearchNet and we filter the dataset as the following:
- Remove examples that codes cannot be parsed into an abstract syntax tree.
- Remove examples that #tokens of documents is < 3 or >256
- Remove examples that documents contain special tokens (e.g. <img ...> or https:...)
- Remove examples that documents are not English.
Data Format
After preprocessing dataset, you can obtain three .jsonl files, i.e. train.jsonl, valid.jsonl, test.jsonl
For each file, each line in the uncompressed file represents one function. One row is illustrated below.
repo: the owner/repo
path: the full path to the original file
func_name: the function or method name
original_string: the raw string before tokenization or parsing
language: the programming language
code/function: the part of the
original_stringthat is codecode_tokens/function_tokens: tokenized version of
codedocstring: the top-level comment or docstring, if it exists in the original string
docstring_tokens: tokenized version of
docstring
Data Statistic
| Programming Language | Training | Dev | Test |
|---|---|---|---|
| Go | 167,288 | 7,325 | 8,122 |
Reference
@article{husain2019codesearchnet,
title={Codesearchnet challenge: Evaluating the state of semantic code search},
author={Husain, Hamel and Wu, Ho-Hsiang and Gazit, Tiferet and Allamanis, Miltiadis and Brockschmidt, Marc},
journal={arXiv preprint arXiv:1909.09436},
year={2019}
}- Downloads last month
- 67
Size of downloaded dataset files:
414 MB
Size of the auto-converted Parquet files:
120 MB
Number of rows:
182,735
Models trained or fine-tuned on semeru/code-text-go