func CreateSSHRule(ctx context.Context, nsgName string) (rule network.SecurityRule, err error) {
	rulesClient := getSecurityRulesClient()
	future, err := rulesClient.CreateOrUpdate(ctx,
		config.GroupName(),
		nsgName,
		"ALLOW-SSH",
		network.SecurityRule{
			SecurityRulePropertiesFormat: &network.SecurityRulePropertiesFormat{
				Access: network.SecurityRuleAccessAllow,
				DestinationAddressPrefix: to.StringPtr("*"),
				DestinationPortRange:     to.StringPtr("22"),
				Direction:                network.SecurityRuleDirectionInbound,
				Description:              to.StringPtr("Allow SSH"),
				Priority:                 to.Int32Ptr(103),
				Protocol:                 network.SecurityRuleProtocolTCP,
				SourceAddressPrefix:      to.StringPtr("*"),
				SourcePortRange:          to.StringPtr("*"),
			},
		})
	if err != nil {
		return rule, fmt.Errorf("cannot create SSH security rule: %v", err)
	}
	err = future.WaitForCompletionRef(ctx, rulesClient.Client)
	if err != nil {
		return rule, fmt.Errorf("cannot get security rule create or update future response: %v", err)
	}
	return future.Result(rulesClient)
}
CreateSSHRule creates an inbound network security rule that allows using port 22
package network
import (
	"context"
	"fmt"
	"github.com/Azure-Samples/azure-sdk-for-go-samples/internal/config"
	"github.com/Azure-Samples/azure-sdk-for-go-samples/internal/iam"
	"github.com/Azure/azure-sdk-for-go/services/network/mgmt/2019-11-01/network"
	"github.com/Azure/go-autorest/autorest/to"
)
func getNsgClient() network.SecurityGroupsClient {
	nsgClient := network.NewSecurityGroupsClient(config.SubscriptionID())
	a, _ := iam.GetResourceManagementAuthorizer()
	nsgClient.Authorizer = a
	nsgClient.AddToUserAgent(config.UserAgent())
	return nsgClient
}
func CreateNetworkSecurityGroup(ctx context.Context, nsgName string) (nsg network.SecurityGroup, err error) {
	nsgClient := getNsgClient()
	future, err := nsgClient.CreateOrUpdate(
		ctx,
		config.GroupName(),
		nsgName,
		network.SecurityGroup{
			Location: to.StringPtr(config.Location()),
			SecurityGroupPropertiesFormat: &network.SecurityGroupPropertiesFormat{
				SecurityRules: &[]network.SecurityRule{
					{
						Name: to.StringPtr("allow_ssh"),
						SecurityRulePropertiesFormat: &network.SecurityRulePropertiesFormat{
							Protocol:                 network.SecurityRuleProtocolTCP,
							SourceAddressPrefix:      to.StringPtr("0.0.0.0/0"),
							SourcePortRange:          to.StringPtr("1-65535"),
							DestinationAddressPrefix: to.StringPtr("0.0.0.0/0"),
							DestinationPortRange:     to.StringPtr("22"),
							Access:                   network.SecurityRuleAccessAllow,
							Direction:                network.SecurityRuleDirectionInbound,
							Priority:                 to.Int32Ptr(100),
						},
					},
					{
						Name: to.StringPtr("allow_https"),
						SecurityRulePropertiesFormat: &network.SecurityRulePropertiesFormat{
							Protocol:                 network.SecurityRuleProtocolTCP,
							SourceAddressPrefix:      to.StringPtr("0.0.0.0/0"),
							SourcePortRange:          to.StringPtr("1-65535"),
							DestinationAddressPrefix: to.StringPtr("0.0.0.0/0"),
							DestinationPortRange:     to.StringPtr("443"),
							Access:                   network.SecurityRuleAccessAllow,
							Direction:                network.SecurityRuleDirectionInbound,
							Priority:                 to.Int32Ptr(200),
						},
					},
				},
			},
		},
	)
	if err != nil {
		return nsg, fmt.Errorf("cannot create nsg: %v", err)
	}
	err = future.WaitForCompletionRef(ctx, nsgClient.Client)
	if err != nil {
		return nsg, fmt.Errorf("cannot get nsg create or update future response: %v", err)
	}
	return future.Result(nsgClient)
}
func CreateSimpleNetworkSecurityGroup(ctx context.Context, nsgName string) (nsg network.SecurityGroup, err error) {
	nsgClient := getNsgClient()
	future, err := nsgClient.CreateOrUpdate(
		ctx,
		config.GroupName(),
		nsgName,
		network.SecurityGroup{
			Location: to.StringPtr(config.Location()),
		},
	)
	if err != nil {
		return nsg, fmt.Errorf("cannot create nsg: %v", err)
	}
	err = future.WaitForCompletionRef(ctx, nsgClient.Client)
	if err != nil {
		return nsg, fmt.Errorf("cannot get nsg create or update future response: %v", err)
	}
	return future.Result(nsgClient)
}
func DeleteNetworkSecurityGroup(ctx context.Context, nsgName string) (result network.SecurityGroupsDeleteFuture, err error) {
	nsgClient := getNsgClient()
	return nsgClient.Delete(ctx, config.GroupName(), nsgName)
}
func GetNetworkSecurityGroup(ctx context.Context, nsgName string) (network.SecurityGroup, error) {
	nsgClient := getNsgClient()
	return nsgClient.Get(ctx, config.GroupName(), nsgName, "")
}
func getSecurityRulesClient() network.SecurityRulesClient {
	rulesClient := network.NewSecurityRulesClient(config.SubscriptionID())
	a, _ := iam.GetResourceManagementAuthorizer()
	rulesClient.Authorizer = a
	rulesClient.AddToUserAgent(config.UserAgent())
	return rulesClient
}