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application.go
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application.go
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package v7action
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
}
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
}
// 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
}
// SetApplicationProcessHealthCheckTypeByNameAndSpace sets the health check
// information of the provided processType for an application with the given
// name and space GUID.
func (actor Actor) SetApplicationProcessHealthCheckTypeByNameAndSpace(
appName string,
spaceGUID string,
healthCheckType constant.HealthCheckType,
httpEndpoint string,
processType string,
invocationTimeout int64,
) (Application, Warnings, error) {
app, getWarnings, err := actor.GetApplicationByNameAndSpace(appName, spaceGUID)
if err != nil {
return Application{}, getWarnings, err
}
setWarnings, err := actor.UpdateProcessByTypeAndApplication(
processType,
app.GUID,
Process{
HealthCheckType: healthCheckType,
HealthCheckEndpoint: httpEndpoint,
HealthCheckInvocationTimeout: invocationTimeout,
})
return app, append(getWarnings, setWarnings...), err
}
// 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) (Application, Warnings, error) {
updatedApp, warnings, err := actor.CloudControllerClient.UpdateApplicationStart(appGUID)
if err != nil {
return Application{}, Warnings(warnings), err
}
return actor.convertCCToActorApplication(updatedApp), Warnings(warnings), nil
}
// RestartApplication restarts an application and waits for it to start.
func (actor Actor) RestartApplication(appGUID string) (Warnings, error) {
var allWarnings Warnings
_, warnings, err := actor.CloudControllerClient.UpdateApplicationRestart(appGUID)
allWarnings = append(allWarnings, warnings...)
if err != nil {
return allWarnings, err
}
pollingWarnings, err := actor.PollStart(appGUID)
allWarnings = append(allWarnings, pollingWarnings...)
return allWarnings, err
}
func (actor Actor) PollStart(appGUID string) (Warnings, error) {
var allWarnings Warnings
processes, warnings, err := actor.CloudControllerClient.GetApplicationProcesses(appGUID)
allWarnings = append(allWarnings, warnings...)
if err != nil {
return allWarnings, err
}
timeout := time.Now().Add(actor.Config.StartupTimeout())
for time.Now().Before(timeout) {
allProcessesDone := true
for _, process := range processes {
shouldContinuePolling, warnings, err := actor.shouldContinuePollingProcessStatus(process)
allWarnings = append(allWarnings, warnings...)
if err != nil {
return allWarnings, err
}
if shouldContinuePolling {
allProcessesDone = false
break
}
}
if allProcessesDone {
return allWarnings, nil
}
time.Sleep(actor.Config.PollingInterval())
}
return allWarnings, 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,
}
}
func (actor Actor) shouldContinuePollingProcessStatus(process ccv3.Process) (bool, Warnings, error) {
ccInstances, ccWarnings, err := actor.CloudControllerClient.GetProcessInstances(process.GUID)
instances := ProcessInstances(ccInstances)
warnings := Warnings(ccWarnings)
if err != nil {
return true, warnings, err
}
if instances.Empty() || instances.AnyRunning() {
return false, warnings, nil
} else if instances.AllCrashed() {
return false, warnings, actionerror.AllInstancesCrashedError{}
}
return true, warnings, nil
}