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delete_cmd.go
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delete_cmd.go
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package cmd
import (
"errors"
bosherr "github.com/cloudfoundry/bosh-agent/errors"
boshlog "github.com/cloudfoundry/bosh-agent/logger"
boshsys "github.com/cloudfoundry/bosh-agent/system"
bmblobstore "github.com/cloudfoundry/bosh-micro-cli/blobstore"
bmcloud "github.com/cloudfoundry/bosh-micro-cli/cloud"
bmconfig "github.com/cloudfoundry/bosh-micro-cli/config"
bmcpirel "github.com/cloudfoundry/bosh-micro-cli/cpi/release"
bmdepl "github.com/cloudfoundry/bosh-micro-cli/deployment"
bmhttpagent "github.com/cloudfoundry/bosh-micro-cli/deployment/agentclient/http"
bmeventlog "github.com/cloudfoundry/bosh-micro-cli/eventlogger"
bminstall "github.com/cloudfoundry/bosh-micro-cli/installation"
bminstallmanifest "github.com/cloudfoundry/bosh-micro-cli/installation/manifest"
bmrel "github.com/cloudfoundry/bosh-micro-cli/release"
bmrelset "github.com/cloudfoundry/bosh-micro-cli/release/set"
bmrelsetmanifest "github.com/cloudfoundry/bosh-micro-cli/release/set/manifest"
bmui "github.com/cloudfoundry/bosh-micro-cli/ui"
)
type deleteCmd struct {
ui bmui.UI
userConfig bmconfig.UserConfig
fs boshsys.FileSystem
releaseSetParser bmrelsetmanifest.Parser
installationParser bminstallmanifest.Parser
deploymentConfigService bmconfig.DeploymentConfigService
releaseSetValidator bmrelsetmanifest.Validator
installationValidator bminstallmanifest.Validator
installerFactory bminstall.InstallerFactory
releaseExtractor bmrel.Extractor
releaseManager bmrel.Manager
releaseResolver bmrelset.Resolver
cloudFactory bmcloud.Factory
agentClientFactory bmhttpagent.AgentClientFactory
blobstoreFactory bmblobstore.Factory
deploymentManagerFactory bmdepl.ManagerFactory
eventLogger bmeventlog.EventLogger
logger boshlog.Logger
logTag string
}
func NewDeleteCmd(
ui bmui.UI,
userConfig bmconfig.UserConfig,
fs boshsys.FileSystem,
releaseSetParser bmrelsetmanifest.Parser,
installationParser bminstallmanifest.Parser,
deploymentConfigService bmconfig.DeploymentConfigService,
releaseSetValidator bmrelsetmanifest.Validator,
installationValidator bminstallmanifest.Validator,
installerFactory bminstall.InstallerFactory,
releaseExtractor bmrel.Extractor,
releaseManager bmrel.Manager,
releaseResolver bmrelset.Resolver,
cloudFactory bmcloud.Factory,
agentClientFactory bmhttpagent.AgentClientFactory,
blobstoreFactory bmblobstore.Factory,
deploymentManagerFactory bmdepl.ManagerFactory,
eventLogger bmeventlog.EventLogger,
logger boshlog.Logger,
) Cmd {
return &deleteCmd{
ui: ui,
userConfig: userConfig,
fs: fs,
releaseSetParser: releaseSetParser,
installationParser: installationParser,
deploymentConfigService: deploymentConfigService,
releaseSetValidator: releaseSetValidator,
installationValidator: installationValidator,
installerFactory: installerFactory,
releaseExtractor: releaseExtractor,
releaseManager: releaseManager,
releaseResolver: releaseResolver,
cloudFactory: cloudFactory,
agentClientFactory: agentClientFactory,
blobstoreFactory: blobstoreFactory,
deploymentManagerFactory: deploymentManagerFactory,
eventLogger: eventLogger,
logger: logger,
logTag: "deleteCmd",
}
}
func (c *deleteCmd) Name() string {
return "delete"
}
func (c *deleteCmd) Run(args []string) error {
releaseTarballPath, err := c.parseCmdInputs(args)
if err != nil {
return err
}
deploymentManifestPath, err := getDeploymentManifest(c.userConfig, c.ui, c.fs)
if err != nil {
return bosherr.WrapErrorf(err, "Running delete cmd")
}
validationStage := c.eventLogger.NewStage("validating")
validationStage.Start()
deploymentConfig, err := c.deploymentConfigService.Load()
if err != nil {
return bosherr.WrapError(err, "Loading deployment config")
}
err = validationStage.PerformStep("Validating releases", func() error {
if !c.fs.FileExists(releaseTarballPath) {
return bosherr.Errorf("Verifying that the release '%s' exists", releaseTarballPath)
}
release, err := c.releaseExtractor.Extract(releaseTarballPath)
if err != nil {
return bosherr.WrapErrorf(err, "Extracting release '%s'", releaseTarballPath)
}
c.releaseManager.Add(release)
return nil
})
if err != nil {
return err
}
defer func() {
err := c.releaseManager.DeleteAll()
if err != nil {
c.logger.Warn(c.logTag, "Deleting all extracted releases: %s", err.Error())
}
}()
var installationManifest bminstallmanifest.Manifest
err = validationStage.PerformStep("Validating deployment manifest", func() error {
releaseSetManifest, err := c.releaseSetParser.Parse(deploymentManifestPath)
if err != nil {
return bosherr.WrapErrorf(err, "Parsing release set manifest '%s'", deploymentManifestPath)
}
err = c.releaseSetValidator.Validate(releaseSetManifest)
if err != nil {
return bosherr.WrapError(err, "Validating release set manifest")
}
c.releaseResolver.Filter(releaseSetManifest.Releases)
installationManifest, err = c.installationParser.Parse(deploymentManifestPath)
if err != nil {
return bosherr.WrapErrorf(err, "Parsing installation manifest '%s'", deploymentManifestPath)
}
err = c.installationValidator.Validate(installationManifest)
if err != nil {
return bosherr.WrapError(err, "Validating installation manifest")
}
return nil
})
if err != nil {
return err
}
err = validationStage.PerformStep("Validating cpi release", func() error {
cpiRelease, err := c.releaseResolver.Find(installationManifest.Release)
if err != nil {
// should never happen, due to prior manifest validation
return bosherr.WrapErrorf(err, "installation release '%s' must refer to a provided release", installationManifest.Release)
}
err = bmcpirel.NewValidator().Validate(cpiRelease)
if err != nil {
return bosherr.WrapErrorf(err, "Invalid CPI release '%s'", cpiRelease.Name())
}
return nil
})
if err != nil {
return err
}
validationStage.Finish()
installer, err := c.installerFactory.NewInstaller()
if err != nil {
return bosherr.WrapError(err, "Creating CPI Installer")
}
c.logger.Debug(c.logTag, "Installing CPI...")
installation, err := installer.Install(installationManifest)
if err != nil {
return bosherr.WrapError(err, "Installing CPI")
}
c.logger.Debug(c.logTag, "Starting Registry...")
err = installation.StartRegistry()
if err != nil {
return bosherr.WrapError(err, "Starting Registry")
}
defer func() {
err := installation.StopRegistry()
if err != nil {
c.logger.Warn(c.logTag, "Registry failed to stop: %s", err)
}
}()
c.logger.Debug(c.logTag, "Creating cloud client...")
cloud, err := c.cloudFactory.NewCloud(installation, deploymentConfig.DirectorID)
if err != nil {
return bosherr.WrapError(err, "Creating CPI client from CPI installation")
}
c.logger.Debug(c.logTag, "Creating agent client...")
agentClient := c.agentClientFactory.NewAgentClient(deploymentConfig.DirectorID, installationManifest.Mbus)
c.logger.Debug(c.logTag, "Creating blobstore client...")
blobstore, err := c.blobstoreFactory.Create(installationManifest.Mbus)
if err != nil {
return bosherr.WrapError(err, "Creating blobstore client")
}
c.logger.Debug(c.logTag, "Creating deployment manager...")
deploymentManager := c.deploymentManagerFactory.NewManager(cloud, agentClient, blobstore)
c.logger.Debug(c.logTag, "Finding current deployment...")
deployment, found, err := deploymentManager.FindCurrent()
if err != nil {
return bosherr.WrapError(err, "Finding current deployment")
}
deleteStage := c.eventLogger.NewStage("deleting deployment")
deleteStage.Start()
if found {
c.logger.Debug(c.logTag, "Deleting deployment...")
err = deployment.Delete(deleteStage)
if err != nil {
return bosherr.WrapError(err, "Deleting deployment")
}
} else {
c.logger.Debug(c.logTag, "No current deployment found...")
}
c.logger.Debug(c.logTag, "Cleaning up...")
if err = deploymentManager.Cleanup(deleteStage); err != nil {
return err
}
deleteStage.Finish()
return nil
}
func (c *deleteCmd) parseCmdInputs(args []string) (string, error) {
if len(args) != 1 {
c.ui.Error("Invalid usage - delete command requires exactly 1 argument")
c.ui.Sayln("Expected usage: bosh-micro delete <cpi-release-tarball>")
c.logger.Error(c.logTag, "Invalid arguments: %#v", args)
return "", errors.New("Invalid usage - delete command requires exactly 1 argument")
}
return args[0], nil
}