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deployment_deleter.go
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deployment_deleter.go
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package cmd
import (
biblobstore "github.com/cloudfoundry/bosh-init/blobstore"
bicloud "github.com/cloudfoundry/bosh-init/cloud"
biconfig "github.com/cloudfoundry/bosh-init/config"
bicpirel "github.com/cloudfoundry/bosh-init/cpi/release"
bidepl "github.com/cloudfoundry/bosh-init/deployment"
bihttpagent "github.com/cloudfoundry/bosh-init/deployment/agentclient/http"
biinstall "github.com/cloudfoundry/bosh-init/installation"
biinstallmanifest "github.com/cloudfoundry/bosh-init/installation/manifest"
birel "github.com/cloudfoundry/bosh-init/release"
biui "github.com/cloudfoundry/bosh-init/ui"
bosherr "github.com/cloudfoundry/bosh-utils/errors"
boshlog "github.com/cloudfoundry/bosh-utils/logger"
boshsys "github.com/cloudfoundry/bosh-utils/system"
)
type DeploymentDeleter interface {
DeleteDeployment(stage biui.Stage) (err error)
}
func NewDeploymentDeleter(
ui biui.UI,
logTag string,
logger boshlog.Logger,
fs boshsys.FileSystem,
deploymentStateService biconfig.DeploymentStateService,
releaseManager birel.Manager,
installerFactory biinstall.InstallerFactory,
cloudFactory bicloud.Factory,
agentClientFactory bihttpagent.AgentClientFactory,
blobstoreFactory biblobstore.Factory,
deploymentManagerFactory bidepl.ManagerFactory,
installationParser biinstallmanifest.Parser,
deploymentManifestPath string,
cpiReleaseValidator bicpirel.CPIReleaseValidator,
) DeploymentDeleter {
return &deploymentDeleter{
ui: ui,
logTag: logTag,
logger: logger,
fs: fs,
deploymentStateService: deploymentStateService,
releaseManager: releaseManager,
installerFactory: installerFactory,
cloudFactory: cloudFactory,
agentClientFactory: agentClientFactory,
blobstoreFactory: blobstoreFactory,
deploymentManagerFactory: deploymentManagerFactory,
installationParser: installationParser,
deploymentManifestPath: deploymentManifestPath,
cpiReleaseValidator: cpiReleaseValidator,
}
}
type deploymentDeleter struct {
ui biui.UI
logTag string
logger boshlog.Logger
fs boshsys.FileSystem
deploymentStateService biconfig.DeploymentStateService
releaseManager birel.Manager
installerFactory biinstall.InstallerFactory
cloudFactory bicloud.Factory
agentClientFactory bihttpagent.AgentClientFactory
blobstoreFactory biblobstore.Factory
deploymentManagerFactory bidepl.ManagerFactory
installationParser biinstallmanifest.Parser
deploymentManifestPath string
cpiReleaseValidator bicpirel.CPIReleaseValidator
}
func (c *deploymentDeleter) DeleteDeployment(stage biui.Stage) (err error) {
c.ui.PrintLinef("Deployment state: '%s'", c.deploymentStateService.Path())
if !c.deploymentStateService.Exists() {
c.ui.PrintLinef("No deployment state file found.")
return nil
}
deploymentState, err := c.deploymentStateService.Load()
if err != nil {
return bosherr.WrapError(err, "Loading deployment state")
}
defer func() {
err := c.releaseManager.DeleteAll()
if err != nil {
c.logger.Warn(c.logTag, "Deleting all extracted releases: %s", err.Error())
}
}()
installationManifest, installation, err := c.installCPI(stage)
if err != nil {
return err
}
return installation.WithRunningRegistry(c.logger, stage, func() error {
return c.findAndDeleteDeployment(stage, installation, deploymentState.DirectorID, installationManifest.Mbus)
})
}
func (c *deploymentDeleter) findAndDeleteDeployment(stage biui.Stage, installation biinstall.Installation, directorID, installationMbus string) error {
deploymentManager, err := c.deploymentManager(installation, directorID, installationMbus)
if err != nil {
return err
}
err = c.findCurrentDeploymentAndDelete(stage, deploymentManager)
if err != nil {
return bosherr.WrapError(err, "Deleting deployment")
}
return deploymentManager.Cleanup(stage)
}
func (c *deploymentDeleter) findCurrentDeploymentAndDelete(stage biui.Stage, deploymentManager bidepl.Manager) error {
c.logger.Debug(c.logTag, "Finding current deployment...")
deployment, found, err := deploymentManager.FindCurrent()
if err != nil {
return bosherr.WrapError(err, "Finding current deployment")
}
return stage.PerformComplex("deleting deployment", func(deleteStage biui.Stage) error {
if !found {
//TODO: skip? would require adding skip support to PerformComplex
c.logger.Debug(c.logTag, "No current deployment found...")
return nil
}
return deployment.Delete(deleteStage)
})
}
func (c *deploymentDeleter) installCPI(stage biui.Stage) (biinstallmanifest.Manifest, biinstall.Installation, error) {
installationManifest, err := c.installationManifest(stage)
if err != nil {
return installationManifest, nil, err
}
installer, err := c.installerFactory.NewInstaller()
if err != nil {
return installationManifest, nil, bosherr.WrapError(err, "Creating CPI Installer")
}
var installation biinstall.Installation
err = stage.PerformComplex("installing CPI", func(installStage biui.Stage) error {
installation, err = installer.Install(installationManifest, installStage)
return err
})
return installationManifest, installation, err
}
func (c *deploymentDeleter) installationManifest(stage biui.Stage) (biinstallmanifest.Manifest, error) {
var installationManifest biinstallmanifest.Manifest
err := stage.PerformComplex("validating", func(stage biui.Stage) error {
var err error
err = stage.Perform("Validating deployment manifest", func() error {
installationManifest, err = c.installationParser.Parse(c.deploymentManifestPath)
if err != nil {
return bosherr.WrapErrorf(err, "Parsing installation manifest '%s'", c.deploymentManifestPath)
}
return err
})
if err != nil {
return err
}
return c.cpiReleaseValidator.ValidateCPIReleaseRef(stage, c.deploymentManifestPath, installationManifest)
})
return installationManifest, err
}
func (c *deploymentDeleter) deploymentManager(installation biinstall.Installation, directorID, installationMbus string) (bidepl.Manager, error) {
c.logger.Debug(c.logTag, "Creating cloud client...")
cloud, err := c.cloudFactory.NewCloud(installation, directorID)
if err != nil {
return nil, bosherr.WrapError(err, "Creating CPI client from CPI installation")
}
c.logger.Debug(c.logTag, "Creating agent client...")
agentClient := c.agentClientFactory.NewAgentClient(directorID, installationMbus)
c.logger.Debug(c.logTag, "Creating blobstore client...")
blobstore, err := c.blobstoreFactory.Create(installationMbus)
if err != nil {
return nil, bosherr.WrapError(err, "Creating blobstore client")
}
c.logger.Debug(c.logTag, "Creating deployment manager...")
return c.deploymentManagerFactory.NewManager(cloud, agentClient, blobstore), nil
}