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restage_command.go
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restage_command.go
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package v7
import (
"code.cloudfoundry.org/cli/actor/actionerror"
"code.cloudfoundry.org/cli/api/cloudcontroller/ccv3/constant"
"code.cloudfoundry.org/cli/command"
"code.cloudfoundry.org/cli/command/flag"
"code.cloudfoundry.org/cli/command/translatableerror"
"code.cloudfoundry.org/cli/command/v7/shared"
)
type RestageCommand struct {
BaseCommand
RequiredArgs flag.AppName `positional-args:"yes"`
Strategy flag.DeploymentStrategy `long:"strategy" description:"Deployment strategy, either rolling or null."`
NoWait bool `long:"no-wait" description:"Exit when the first instance of the web process is healthy"`
usage interface{} `usage:"CF_NAME restage APP_NAME\n\n This command will cause downtime unless you use '--strategy rolling'.\n\nEXAMPLES:\n CF_NAME restage APP_NAME\n CF_NAME restage APP_NAME --strategy rolling\n CF_NAME restage APP_NAME --strategy rolling --no-wait"`
relatedCommands interface{} `related_commands:"restart"`
envCFStagingTimeout interface{} `environmentName:"CF_STAGING_TIMEOUT" environmentDescription:"Max wait time for staging, in minutes" environmentDefault:"15"`
envCFStartupTimeout interface{} `environmentName:"CF_STARTUP_TIMEOUT" environmentDescription:"Max wait time for app instance startup, in minutes" environmentDefault:"5"`
Stager shared.AppStager
}
func (cmd *RestageCommand) Setup(config command.Config, ui command.UI) error {
err := cmd.BaseCommand.Setup(config, ui)
if err != nil {
return err
}
logCacheEndpoint, _, err := cmd.Actor.GetLogCacheEndpoint()
if err != nil {
return err
}
logCacheClient := command.NewLogCacheClient(logCacheEndpoint, config, ui)
cmd.Stager = shared.NewAppStager(cmd.Actor, cmd.UI, cmd.Config, logCacheClient)
return nil
}
func (cmd RestageCommand) Execute(args []string) error {
err := cmd.SharedActor.CheckTarget(true, true)
if err != nil {
return err
}
user, err := cmd.Config.CurrentUser()
if err != nil {
return err
}
if cmd.Strategy.Name != constant.DeploymentStrategyRolling {
cmd.UI.DisplayWarning("This action will cause app downtime.")
}
cmd.UI.DisplayNewline()
cmd.UI.DisplayTextWithFlavor("Restaging app {{.AppName}} in org {{.OrgName}} / space {{.SpaceName}} as {{.Username}}...", map[string]interface{}{
"AppName": cmd.RequiredArgs.AppName,
"OrgName": cmd.Config.TargetedOrganization().Name,
"SpaceName": cmd.Config.TargetedSpace().Name,
"Username": user.Name,
})
cmd.UI.DisplayNewline()
app, warnings, err := cmd.Actor.GetApplicationByNameAndSpace(cmd.RequiredArgs.AppName, cmd.Config.TargetedSpace().GUID)
cmd.UI.DisplayWarnings(warnings)
if err != nil {
return err
}
pkg, warnings, err := cmd.Actor.GetNewestReadyPackageForApplication(app)
cmd.UI.DisplayWarnings(warnings)
if err != nil {
return mapErr(cmd.Config, cmd.RequiredArgs.AppName, err)
}
err = cmd.Stager.StageAndStart(
app,
cmd.Config.TargetedSpace(),
cmd.Config.TargetedOrganization(),
pkg.GUID,
cmd.Strategy.Name,
cmd.NoWait,
constant.ApplicationRestarting,
)
if err != nil {
return mapErr(cmd.Config, cmd.RequiredArgs.AppName, err)
}
return nil
}
func mapErr(config command.Config, appName string, err error) error {
switch err.(type) {
case actionerror.AllInstancesCrashedError:
return translatableerror.ApplicationUnableToStartError{
AppName: appName,
BinaryName: config.BinaryName(),
}
case actionerror.StartupTimeoutError:
return translatableerror.StartupTimeoutError{
AppName: appName,
BinaryName: config.BinaryName(),
}
case actionerror.StagingFailedNoAppDetectedError:
return translatableerror.StagingFailedNoAppDetectedError{
Message: err.Error(),
BinaryName: config.BinaryName(),
}
case actionerror.NoEligiblePackagesError:
return translatableerror.NoEligiblePackagesError{
AppName: appName,
BinaryName: config.BinaryName(),
}
}
return err
}