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application.go
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/
application.go
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package v3action
import (
"time"
"code.cloudfoundry.org/cli/actor/actionerror"
"code.cloudfoundry.org/cli/api/cloudcontroller/ccerror"
"code.cloudfoundry.org/cli/api/cloudcontroller/ccv3"
"code.cloudfoundry.org/cli/api/cloudcontroller/ccv3/constant"
)
// Application represents a V3 actor application.
type Application struct {
Name string
GUID string
StackName string
State constant.ApplicationState
LifecycleType constant.AppLifecycleType
LifecycleBuildpacks []string
SpaceGUID string
}
func (app Application) Started() bool {
return app.State == constant.ApplicationStarted
}
func (app Application) Stopped() bool {
return app.State == constant.ApplicationStopped
}
func (actor Actor) DeleteApplicationByNameAndSpace(name string, spaceGUID string) (Warnings, error) {
var allWarnings Warnings
app, getAppWarnings, err := actor.GetApplicationByNameAndSpace(name, spaceGUID)
allWarnings = append(allWarnings, getAppWarnings...)
if err != nil {
return allWarnings, err
}
jobURL, deleteAppWarnings, err := actor.CloudControllerClient.DeleteApplication(app.GUID)
allWarnings = append(allWarnings, deleteAppWarnings...)
if err != nil {
return allWarnings, err
}
pollWarnings, err := actor.CloudControllerClient.PollJob(jobURL)
allWarnings = append(allWarnings, pollWarnings...)
return allWarnings, err
}
// GetApplicationByNameAndSpace returns the application with the given
// name in the given space.
func (actor Actor) GetApplicationByNameAndSpace(appName string, spaceGUID string) (Application, Warnings, error) {
apps, warnings, err := actor.CloudControllerClient.GetApplications(
ccv3.Query{Key: ccv3.NameFilter, Values: []string{appName}},
ccv3.Query{Key: ccv3.SpaceGUIDFilter, Values: []string{spaceGUID}},
)
if err != nil {
return Application{}, Warnings(warnings), err
}
if len(apps) == 0 {
return Application{}, Warnings(warnings), actionerror.ApplicationNotFoundError{Name: appName}
}
return actor.convertCCToActorApplication(apps[0]), Warnings(warnings), nil
}
// GetApplicationsBySpace returns all applications in a space.
func (actor Actor) GetApplicationsBySpace(spaceGUID string) ([]Application, Warnings, error) {
ccApps, warnings, err := actor.CloudControllerClient.GetApplications(
ccv3.Query{Key: ccv3.SpaceGUIDFilter, Values: []string{spaceGUID}},
)
if err != nil {
return []Application{}, Warnings(warnings), err
}
var apps []Application
for _, ccApp := range ccApps {
apps = append(apps, actor.convertCCToActorApplication(ccApp))
}
return apps, Warnings(warnings), nil
}
// GetApplicationsByGUIDs returns all applications with the provided GUIDs.
func (actor Actor) GetApplicationsByGUIDs(appGUIDs ...string) ([]Application, Warnings, error) {
ccApps, warnings, err := actor.CloudControllerClient.GetApplications(
ccv3.Query{Key: ccv3.GUIDFilter, Values: appGUIDs},
)
if err != nil {
return []Application{}, Warnings(warnings), err
}
var apps []Application
for _, ccApp := range ccApps {
apps = append(apps, actor.convertCCToActorApplication(ccApp))
}
return apps, Warnings(warnings), nil
}
// CreateApplicationInSpace creates and returns the application with the given
// name in the given space.
func (actor Actor) CreateApplicationInSpace(app Application, spaceGUID string) (Application, Warnings, error) {
createdApp, warnings, err := actor.CloudControllerClient.CreateApplication(
ccv3.Application{
LifecycleType: app.LifecycleType,
LifecycleBuildpacks: app.LifecycleBuildpacks,
StackName: app.StackName,
Name: app.Name,
Relationships: ccv3.Relationships{
constant.RelationshipTypeSpace: ccv3.Relationship{GUID: spaceGUID},
},
})
if err != nil {
if _, ok := err.(ccerror.NameNotUniqueInSpaceError); ok {
return Application{}, Warnings(warnings), actionerror.ApplicationAlreadyExistsError{Name: app.Name}
}
return Application{}, Warnings(warnings), err
}
return actor.convertCCToActorApplication(createdApp), Warnings(warnings), nil
}
// StopApplication stops an application.
func (actor Actor) StopApplication(appGUID string) (Warnings, error) {
_, warnings, err := actor.CloudControllerClient.UpdateApplicationStop(appGUID)
return Warnings(warnings), err
}
// StartApplication starts an application.
func (actor Actor) StartApplication(appGUID string) (Warnings, error) {
_, warnings, err := actor.CloudControllerClient.UpdateApplicationStart(appGUID)
if err != nil {
return Warnings(warnings), err
}
return Warnings(warnings), nil
}
// RestartApplication restarts an application.
func (actor Actor) RestartApplication(appGUID string) (Warnings, error) {
_, warnings, err := actor.CloudControllerClient.UpdateApplicationRestart(appGUID)
return Warnings(warnings), err
}
func (actor Actor) PollStart(appGUID string, warningsChannel chan<- Warnings) error {
processes, warnings, err := actor.CloudControllerClient.GetApplicationProcesses(appGUID)
warningsChannel <- Warnings(warnings)
if err != nil {
return err
}
timeout := time.Now().Add(actor.Config.StartupTimeout())
for time.Now().Before(timeout) {
readyProcs := 0
for _, process := range processes {
ready, err := actor.processStatus(process, warningsChannel)
if err != nil {
return err
}
if ready {
readyProcs++
}
}
if readyProcs == len(processes) {
return nil
}
time.Sleep(actor.Config.PollingInterval())
}
return actionerror.StartupTimeoutError{}
}
// UpdateApplication updates the buildpacks on an application
func (actor Actor) UpdateApplication(app Application) (Application, Warnings, error) {
ccApp := ccv3.Application{
GUID: app.GUID,
StackName: app.StackName,
LifecycleType: app.LifecycleType,
LifecycleBuildpacks: app.LifecycleBuildpacks,
}
updatedApp, warnings, err := actor.CloudControllerClient.UpdateApplication(ccApp)
if err != nil {
return Application{}, Warnings(warnings), err
}
return actor.convertCCToActorApplication(updatedApp), Warnings(warnings), nil
}
func (Actor) convertCCToActorApplication(app ccv3.Application) Application {
return Application{
GUID: app.GUID,
StackName: app.StackName,
LifecycleType: app.LifecycleType,
LifecycleBuildpacks: app.LifecycleBuildpacks,
Name: app.Name,
State: app.State,
SpaceGUID: app.Relationships[constant.RelationshipTypeSpace].GUID,
}
}
func (actor Actor) processStatus(process ccv3.Process, warningsChannel chan<- Warnings) (bool, error) {
instances, warnings, err := actor.CloudControllerClient.GetProcessInstances(process.GUID)
warningsChannel <- Warnings(warnings)
if err != nil {
return false, err
}
if len(instances) == 0 {
return true, nil
}
for _, instance := range instances {
if instance.State == constant.ProcessInstanceRunning {
return true, nil
}
}
for _, instance := range instances {
if instance.State != constant.ProcessInstanceCrashed {
return false, nil
}
}
// all of the instances are crashed at this point
return true, nil
}