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deployment_backup.go
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deployment_backup.go
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package command
import (
"fmt"
"time"
"github.com/cloudfoundry-incubator/bosh-backup-and-restore/executor/deployment"
"github.com/cloudfoundry-incubator/bosh-backup-and-restore/factory"
"github.com/cloudfoundry-incubator/bosh-backup-and-restore/orchestrator"
"github.com/urfave/cli"
)
const artifactTimeStampFormat = "20060102T150405Z"
type DeploymentBackupCommand struct {
}
func NewDeploymentBackupCommand() DeploymentBackupCommand {
return DeploymentBackupCommand{}
}
func (d DeploymentBackupCommand) Cli() cli.Command {
return cli.Command{
Name: "backup",
Aliases: []string{"b"},
Usage: "Backup a deployment",
Action: d.Action,
Flags: []cli.Flag{
cli.BoolFlag{
Name: "with-manifest",
Usage: "Download the deployment manifest",
},
cli.StringFlag{
Name: "artifact-path, a",
Usage: "Specify an optional path to save the backup artifacts to",
},
cli.BoolFlag{
Name: "unsafe-lock-free",
Usage: "Experimental feature to skip locking steps when backing up the BOSH deployment. Cannot be used in combination with the all-deployments flag",
},
},
}
}
func (d DeploymentBackupCommand) Action(c *cli.Context) error {
trapSigint(true)
username, password, target, caCert, bbrVersion, debug, deployment, allDeployments := getDeploymentParams(c)
withManifest := c.Bool("with-manifest")
unsafeLockFree := c.Bool("unsafe-lock-free")
artifactPath := c.String("artifact-path")
if allDeployments {
if unsafeLockFree {
return processError(orchestrator.NewError(fmt.Errorf("Cannot use the --unsafe-lock-free flag in conjunction with the --all-deployments flag")))
}
return backupAll(target, username, password, caCert, artifactPath, withManifest, bbrVersion, debug)
}
return backupSingleDeployment(deployment, target, username, password, caCert, artifactPath, withManifest, bbrVersion, unsafeLockFree, debug)
}
func backupAll(target, username, password, caCert, artifactPath string, withManifest bool, bbrVersion string, debug bool) error {
backupAction := func(deploymentName string) orchestrator.Error {
timestamp := time.Now().UTC().Format(artifactTimeStampFormat)
logFilePath, buffer, logger, logErr := createLogger(timestamp, artifactPath, deploymentName, debug)
if logErr != nil {
return orchestrator.NewError(logErr)
}
backuper, factoryErr := factory.BuildDeploymentBackuper(
target,
username,
password,
caCert,
withManifest,
false,
bbrVersion,
logger,
timestamp,
)
if factoryErr != nil {
return orchestrator.NewError(factoryErr)
}
printlnWithTimestamp(fmt.Sprintf("Starting backup of %s, log file: %s", deploymentName, logFilePath))
err := backuper.Backup(deploymentName, artifactPath)
if err != nil {
printlnWithTimestamp(fmt.Sprintf("ERROR: failed to backup %s", deploymentName))
fmt.Println(buffer.String())
} else {
printlnWithTimestamp(fmt.Sprintf("Finished backup of %s", deploymentName))
}
return err
}
errorHandler := func(deploymentError deployment.AllDeploymentsError) error {
if deployment.ContainsUnlockOrCleanup(deploymentError.DeploymentErrs) {
return deploymentError.ProcessWithFooter(backupCleanupAllDeploymentsAdvisedNotice)
}
return deploymentError.Process()
}
fmt.Println("Starting backup...")
logger, _ := factory.BuildBoshLoggerWithCustomBuffer(debug)
boshClient, err := factory.BuildBoshClient(target, username, password, caCert, bbrVersion, logger)
if err != nil {
return processError(orchestrator.NewError(err))
}
return runForAllDeployments(backupAction,
boshClient,
"cannot be backed up",
"backed up",
errorHandler,
deployment.NewParallelExecutor())
}
func backupSingleDeployment(deployment, target, username, password, caCert, artifactPath string, withManifest bool, bbrVersion string, unsafeLockFree, debug bool) error {
logger := factory.BuildBoshLogger(debug)
timeStamp := time.Now().UTC().Format(artifactTimeStampFormat)
backuper, err := factory.BuildDeploymentBackuper(target, username, password, caCert, withManifest, unsafeLockFree, bbrVersion, logger, timeStamp)
if err != nil {
return processError(orchestrator.NewError(err))
}
backupErr := backuper.Backup(deployment, artifactPath)
if backupErr.ContainsUnlockOrCleanupOrArtifactDirExists() {
return processErrorWithFooter(backupErr, backupCleanupAdvisedNotice)
}
return processError(backupErr)
}
func printlnWithTimestamp(str string) {
fmt.Printf("[%s] %s\n", time.Now().UTC().Format("15:04:05"), str)
}