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application.go
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application.go
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package pushaction
import (
"fmt"
"code.cloudfoundry.org/cli/actor/actionerror"
"code.cloudfoundry.org/cli/actor/v2action"
"code.cloudfoundry.org/cli/actor/v3action"
"code.cloudfoundry.org/cli/api/cloudcontroller/ccerror"
"code.cloudfoundry.org/cli/api/cloudcontroller/ccv3/constant"
"code.cloudfoundry.org/cli/types"
log "github.com/sirupsen/logrus"
)
type Application struct {
v2action.Application
Buildpacks []string
Stack v2action.Stack
}
// CalculatedBuildpacks will return back the buildpacks for the application.
func (app Application) CalculatedBuildpacks() []string {
buildpack := app.CalculatedBuildpack()
switch {
case app.Buildpacks != nil:
return app.Buildpacks
case len(buildpack) > 0:
return []string{buildpack}
default:
return nil
}
}
func (app Application) String() string {
return fmt.Sprintf("%s, Stack Name: '%s', Buildpacks: %s", app.Application, app.Stack.Name, app.Buildpacks)
}
func (app *Application) SetStack(stack v2action.Stack) {
app.Stack = stack
app.StackGUID = stack.GUID
}
func (actor Actor) CreateApplication(config ApplicationConfig) (ApplicationConfig, Event, Warnings, error) {
log.Debug("creating application")
v2App := config.DesiredApplication.Application
v2App.Buildpack = actor.setBuildpack(config)
log.WithField("application", v2App).Debug("creating application with these settings")
var warnings Warnings
newApp, v2warnings, err := actor.V2Actor.CreateApplication(v2App)
warnings = append(warnings, v2warnings...)
if err != nil {
log.Errorln("creating application:", err)
return ApplicationConfig{}, "", Warnings(warnings), err
}
if config.HasMultipleBuildpacks() {
v3Warnings, v3Err := actor.updateBuildpacks(config, newApp)
warnings = append(warnings, v3Warnings...)
if v3Err != nil {
return ApplicationConfig{}, "", warnings, v3Err
}
}
config.DesiredApplication.Application = newApp
config.CurrentApplication = config.DesiredApplication
return config, CreatedApplication, Warnings(warnings), nil
}
func (actor Actor) UpdateApplication(config ApplicationConfig) (ApplicationConfig, Event, Warnings, error) {
log.Debug("updating application")
v2App := config.DesiredApplication.Application
v2App.Buildpack = actor.setBuildpack(config)
v2App = actor.ignoreSameState(config, v2App)
v2App = actor.ignoreSameStackGUID(config, v2App)
log.WithField("application", v2App).Debug("updating application with these settings")
var warnings Warnings
updatedApp, v2Warnings, err := actor.V2Actor.UpdateApplication(v2App)
warnings = append(warnings, v2Warnings...)
if err != nil {
log.Errorln("updating application:", err)
return ApplicationConfig{}, "", Warnings(warnings), err
}
if config.HasMultipleBuildpacks() {
v3Warnings, v3Err := actor.updateBuildpacks(config, updatedApp)
warnings = append(warnings, v3Warnings...)
if v3Err != nil {
return ApplicationConfig{}, "", warnings, v3Err
}
}
config.DesiredApplication.Application = updatedApp
config.CurrentApplication = config.DesiredApplication
return config, UpdatedApplication, Warnings(warnings), err
}
func (actor Actor) FindOrReturnPartialApp(appName string, spaceGUID string) (bool, Application, v2action.Warnings, error) {
foundApp, appWarnings, err := actor.V2Actor.GetApplicationByNameAndSpace(appName, spaceGUID)
if _, ok := err.(actionerror.ApplicationNotFoundError); ok {
log.Warnf("unable to find app %s in current space (GUID: %s)", appName, spaceGUID)
return false, Application{
Application: v2action.Application{
Name: appName,
SpaceGUID: spaceGUID,
},
}, appWarnings, nil
} else if err != nil {
log.WithField("appName", appName).Error("error retrieving app")
return false, Application{}, appWarnings, err
}
stack, stackWarnings, err := actor.V2Actor.GetStack(foundApp.StackGUID)
warnings := append(appWarnings, stackWarnings...)
if err != nil {
log.Warnf("unable to find app's stack (GUID: %s)", foundApp.StackGUID)
return false, Application{}, warnings, err
}
v3App, v3AppWarnings, err := actor.V3Actor.GetApplicationByNameAndSpace(appName, spaceGUID)
warnings = append(warnings, v3AppWarnings...)
if err != nil {
if _, ok := err.(ccerror.APINotFoundError); !ok {
return false, Application{}, warnings, err
}
}
// if err api don't exist - ignore, else return error
app := Application{
Application: foundApp,
Stack: stack,
Buildpacks: v3App.LifecycleBuildpacks,
}
return true, app, warnings, nil
}
// For some versions of CC, sending state will always result in CC
// attempting to do perform that request (i.e. started -> start/restart).
// In order to prevent repeated unintended restarts in the middle of a
// push, don't send state. This will be fixed in capi-release 1.48.0.
func (actor Actor) ignoreSameState(config ApplicationConfig, v2App v2action.Application) v2action.Application {
if config.CurrentApplication.State == config.DesiredApplication.State {
v2App.State = ""
}
return v2App
}
// Apps updates with both docker image and stack guids fail. So do not send
// StackGUID unless it is necessary.
func (actor Actor) ignoreSameStackGUID(config ApplicationConfig, v2App v2action.Application) v2action.Application {
if config.CurrentApplication.StackGUID == config.DesiredApplication.StackGUID {
v2App.StackGUID = ""
}
return v2App
}
// If 'buildpacks' is set with only one buildpack, set `buildpack` (singular)
// on the application.
func (Actor) setBuildpack(config ApplicationConfig) types.FilteredString {
buildpacks := config.DesiredApplication.Buildpacks
if len(buildpacks) == 1 {
var filtered types.FilteredString
filtered.ParseValue(buildpacks[0])
return filtered
}
if buildpacks != nil && len(buildpacks) == 0 {
return types.FilteredString{IsSet: true}
}
return config.DesiredApplication.Buildpack
}
func (actor Actor) updateBuildpacks(config ApplicationConfig, v2App v2action.Application) (Warnings, error) {
log.WithField("buildpacks", config.DesiredApplication.Buildpacks).Debug("updating with multiple buildpacks")
v3App := v3action.Application{
Name: v2App.Name,
GUID: v2App.GUID,
StackName: config.DesiredApplication.Stack.Name,
LifecycleBuildpacks: config.DesiredApplication.Buildpacks,
LifecycleType: constant.AppLifecycleTypeBuildpack,
}
_, warnings, err := actor.V3Actor.UpdateApplication(v3App)
return Warnings(warnings), err
}