<commit_before>package job

import (
	"context"
	"github.com/pkg/errors"
	"github.com/prometheus/client_golang/prometheus"
	"github.com/zrepl/zrepl/config"
	"github.com/zrepl/zrepl/daemon/filters"
	"github.com/zrepl/zrepl/daemon/job/reset"
	"github.com/zrepl/zrepl/daemon/job/wakeup"
	"github.com/zrepl/zrepl/daemon/logging"
	"github.com/zrepl/zrepl/daemon/pruner"
	"github.com/zrepl/zrepl/daemon/snapper"
	"github.com/zrepl/zrepl/endpoint"
	"github.com/zrepl/zrepl/util/envconst"
	"github.com/zrepl/zrepl/zfs"
	"sync"
	"time"
)

type SnapJob struct {
	name          string
    fsfilter         zfs.DatasetFilter
    snapper *snapper.PeriodicOrManual

	prunerFactory *pruner.SinglePrunerFactory

	promPruneSecs *prometheus.HistogramVec // labels: prune_side

	tasksMtx sync.Mutex
	tasks    snap_activeSideTasks
}


type snap_activeSideTasks struct {
	state ActiveSideState

	pruner *pruner.Pruner

	prunerCancel context.CancelFunc
}

func (j *SnapJob) Name() string { return j.name }

func (j *SnapJob) GetPruner(ctx context.Context, sender *endpoint.Sender) (*pruner.Pruner) {
    p := j.prunerFactory.BuildSinglePruner(ctx,sender,sender)
    return p
}


func (j *SnapJob) updateTasks(u func(*snap_activeSideTasks)) snap_activeSideTasks {
	j.tasksMtx.Lock()
	defer j.tasksMtx.Unlock()
	var copy snap_activeSideTasks
	copy = j.tasks
	if u == nil {
		return copy
	}
	u(&copy)
	j.tasks = copy
	return copy
}


func (j *SnapJob) Type() Type { return TypeSnap }

func (j *SnapJob) RunPeriodic(ctx context.Context, wakeUpCommon chan <- struct{}) {
    j.snapper.Run(ctx, wakeUpCommon)
}

func (j *SnapJob) FSFilter() zfs.DatasetFilter {
	return j.fsfilter
}

func snapJob(g *config.Global, in *config.SnapJob) (j *SnapJob, err error) {
	j = &SnapJob{}
    fsf, err := filters.DatasetMapFilterFromConfig(in.Filesystems)
    if err != nil {
        return nil, errors.Wrap(err, "cannnot build filesystem filter")
    }
    j.fsfilter = fsf

    if j.snapper, err = snapper.FromConfig(g, fsf, in.Snapshotting); err != nil {
        return nil, errors.Wrap(err, "cannot build snapper")
    }
	j.name = in.Name
	j.promPruneSecs = prometheus.NewHistogramVec(prometheus.HistogramOpts{
		Namespace:   "zrepl",
		Subsystem:   "pruning",
		Name:        "time",
		Help:        "seconds spent in pruner",
		ConstLabels: prometheus.Labels{"zrepl_job":j.name},
	}, []string{"prune_side"})
	j.prunerFactory, err = pruner.NewSinglePrunerFactory(in.Pruning, j.promPruneSecs)
	if err != nil {
		return nil, errors.Wrap(err, "cannot build snapjob pruning rules")
	}
	return j, nil
}

func (j *SnapJob) RegisterMetrics(registerer prometheus.Registerer) {
	registerer.MustRegister(j.promPruneSecs)
}

func (j *SnapJob) Status() *Status {
	tasks := j.updateTasks(nil)

	s := &ActiveSideStatus{}
	t := j.Type()
	if tasks.pruner != nil {
		s.PruningSender = tasks.pruner.Report()
	}
	return &Status{Type: t, JobSpecific: s}
}

func (j *SnapJob) Run(ctx context.Context) {
	log := GetLogger(ctx)
	ctx = logging.WithSubsystemLoggers(ctx, log)

	defer log.Info("job exiting")

	periodicDone := make(chan struct{})
	ctx, cancel := context.WithCancel(ctx)
	defer cancel()
	go j.RunPeriodic(ctx, periodicDone)

	invocationCount := 0
outer:
	for {
		log.Info("wait for wakeups")
		select {
		case <-ctx.Done():<commit_msg>Added SnapJobStatus<commit_after>package job

import (
	"context"
	"github.com/pkg/errors"
	"github.com/prometheus/client_golang/prometheus"
	"github.com/zrepl/zrepl/config"
	"github.com/zrepl/zrepl/daemon/filters"
	"github.com/zrepl/zrepl/daemon/job/reset"
	"github.com/zrepl/zrepl/daemon/job/wakeup"
	"github.com/zrepl/zrepl/daemon/logging"
	"github.com/zrepl/zrepl/daemon/pruner"
	"github.com/zrepl/zrepl/daemon/snapper"
	"github.com/zrepl/zrepl/endpoint"
	"github.com/zrepl/zrepl/util/envconst"
	"github.com/zrepl/zrepl/zfs"
	"sync"
	"time"
)

type SnapJob struct {
	name          string
    fsfilter         zfs.DatasetFilter
    snapper *snapper.PeriodicOrManual

	prunerFactory *pruner.SinglePrunerFactory

	promPruneSecs *prometheus.HistogramVec // labels: prune_side

	tasksMtx sync.Mutex
	tasks    snap_activeSideTasks
}


type snap_activeSideTasks struct {
	state ActiveSideState

	pruner *pruner.Pruner

	prunerCancel context.CancelFunc
}

func (j *SnapJob) Name() string { return j.name }

func (j *SnapJob) GetPruner(ctx context.Context, sender *endpoint.Sender) (*pruner.Pruner) {
    p := j.prunerFactory.BuildSinglePruner(ctx,sender,sender)
    return p
}


func (j *SnapJob) updateTasks(u func(*snap_activeSideTasks)) snap_activeSideTasks {
	j.tasksMtx.Lock()
	defer j.tasksMtx.Unlock()
	var copy snap_activeSideTasks
	copy = j.tasks
	if u == nil {
		return copy
	}
	u(&copy)
	j.tasks = copy
	return copy
}


func (j *SnapJob) Type() Type { return TypeSnap }

func (j *SnapJob) RunPeriodic(ctx context.Context, wakeUpCommon chan <- struct{}) {
    j.snapper.Run(ctx, wakeUpCommon)
}

func (j *SnapJob) FSFilter() zfs.DatasetFilter {
	return j.fsfilter
}

func snapJob(g *config.Global, in *config.SnapJob) (j *SnapJob, err error) {
	j = &SnapJob{}
    fsf, err := filters.DatasetMapFilterFromConfig(in.Filesystems)
    if err != nil {
        return nil, errors.Wrap(err, "cannnot build filesystem filter")
    }
    j.fsfilter = fsf

    if j.snapper, err = snapper.FromConfig(g, fsf, in.Snapshotting); err != nil {
        return nil, errors.Wrap(err, "cannot build snapper")
    }
	j.name = in.Name
	j.promPruneSecs = prometheus.NewHistogramVec(prometheus.HistogramOpts{
		Namespace:   "zrepl",
		Subsystem:   "pruning",
		Name:        "time",
		Help:        "seconds spent in pruner",
		ConstLabels: prometheus.Labels{"zrepl_job":j.name},
	}, []string{"prune_side"})
	j.prunerFactory, err = pruner.NewSinglePrunerFactory(in.Pruning, j.promPruneSecs)
	if err != nil {
		return nil, errors.Wrap(err, "cannot build snapjob pruning rules")
	}
	return j, nil
}

func (j *SnapJob) RegisterMetrics(registerer prometheus.Registerer) {
	registerer.MustRegister(j.promPruneSecs)
}

type SnapJobStatus struct {
	Pruning *pruner.Report
}

func (j *SnapJob) Status() *Status {
	tasks := j.updateTasks(nil)

	s := &SnapJobStatus{}
	t := j.Type()
	if tasks.pruner != nil {
		s.Pruning = tasks.pruner.Report()
	}
	return &Status{Type: t, JobSpecific: s}
}

func (j *SnapJob) Run(ctx context.Context) {
	log := GetLogger(ctx)
	ctx = logging.WithSubsystemLoggers(ctx, log)

	defer log.Info("job exiting")

	periodicDone := make(chan struct{})
	ctx, cancel := context.WithCancel(ctx)
	defer cancel()
	go j.RunPeriodic(ctx, periodicDone)

	invocationCount := 0
outer:
	for {
		log.Info("wait for wakeups")
		select {
		case <-ctx.Done():
{'fraction_non_alphanumeric': 0.13099909447630545, 'fraction_numerical': 0.00030184123151222455, 'mean_word_length': 4.145186335403727, 'pattern_counts': {'":': 2, '<': 7, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '4853429', 'n_tokens_mistral': 2631, 'n_tokens_neox': 2547, 'n_words': 509}