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application.go
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application.go
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package v7action
import (
"errors"
"fmt"
"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"
"code.cloudfoundry.org/cli/resources"
)
func (actor Actor) DeleteApplicationByNameAndSpace(name, spaceGUID string, deleteRoutes bool) (Warnings, error) {
var allWarnings Warnings
var jobQueue []ccv3.JobURL
app, getAppWarnings, err := actor.GetApplicationByNameAndSpace(name, spaceGUID)
allWarnings = append(allWarnings, getAppWarnings...)
if err != nil {
return allWarnings, err
}
var routes []resources.Route
if deleteRoutes {
var getRoutesWarnings Warnings
routes, getRoutesWarnings, err = actor.GetApplicationRoutes(app.GUID)
allWarnings = append(allWarnings, getRoutesWarnings...)
if err != nil {
return allWarnings, err
}
for _, route := range routes {
if len(route.Destinations) > 1 {
for _, destination := range route.Destinations {
guid := destination.App.GUID
if guid != app.GUID {
return allWarnings, actionerror.RouteBoundToMultipleAppsError{AppName: app.Name, RouteURL: route.URL}
}
}
}
}
}
jobURL, deleteAppWarnings, err := actor.CloudControllerClient.DeleteApplication(app.GUID)
allWarnings = append(allWarnings, deleteAppWarnings...)
if err != nil {
return allWarnings, err
}
jobQueue = append(jobQueue, jobURL)
if deleteRoutes {
for _, route := range routes {
jobURL, deleteRouteWarnings, err := actor.CloudControllerClient.DeleteRoute(route.GUID)
allWarnings = append(allWarnings, deleteRouteWarnings...)
if err != nil {
if _, ok := err.(ccerror.ResourceNotFoundError); ok {
continue
}
return allWarnings, err
}
jobQueue = append(jobQueue, jobURL)
}
}
for _, job := range jobQueue {
pollWarnings, err := actor.CloudControllerClient.PollJob(job)
allWarnings = append(allWarnings, pollWarnings...)
if err != nil {
return allWarnings, err
}
}
return allWarnings, err
}
func (actor Actor) GetApplicationsByGUIDs(appGUIDs []string) ([]resources.Application, Warnings, error) {
uniqueAppGUIDs := map[string]bool{}
for _, appGUID := range appGUIDs {
uniqueAppGUIDs[appGUID] = true
}
apps, warnings, err := actor.CloudControllerClient.GetApplications(
ccv3.Query{Key: ccv3.GUIDFilter, Values: appGUIDs},
)
if err != nil {
return nil, Warnings(warnings), err
}
if len(apps) < len(uniqueAppGUIDs) {
return nil, Warnings(warnings), actionerror.ApplicationsNotFoundError{}
}
return apps, Warnings(warnings), nil
}
func (actor Actor) GetApplicationsByNamesAndSpace(appNames []string, spaceGUID string) ([]resources.Application, Warnings, error) {
uniqueAppNames := map[string]bool{}
for _, appName := range appNames {
uniqueAppNames[appName] = true
}
apps, warnings, err := actor.CloudControllerClient.GetApplications(
ccv3.Query{Key: ccv3.NameFilter, Values: appNames},
ccv3.Query{Key: ccv3.SpaceGUIDFilter, Values: []string{spaceGUID}},
)
if err != nil {
return nil, Warnings(warnings), err
}
if len(apps) < len(uniqueAppNames) {
return nil, Warnings(warnings), actionerror.ApplicationsNotFoundError{}
}
return apps, Warnings(warnings), nil
}
// GetApplicationByNameAndSpace returns the application with the given
// name in the given space.
func (actor Actor) GetApplicationByNameAndSpace(appName string, spaceGUID string) (resources.Application, Warnings, error) {
apps, warnings, err := actor.GetApplicationsByNamesAndSpace([]string{appName}, spaceGUID)
if err != nil {
if _, ok := err.(actionerror.ApplicationsNotFoundError); ok {
return resources.Application{}, warnings, actionerror.ApplicationNotFoundError{Name: appName}
}
return resources.Application{}, warnings, err
}
return apps[0], warnings, nil
}
// GetApplicationsBySpace returns all applications in a space.
func (actor Actor) GetApplicationsBySpace(spaceGUID string) ([]resources.Application, Warnings, error) {
apps, warnings, err := actor.CloudControllerClient.GetApplications(
ccv3.Query{Key: ccv3.SpaceGUIDFilter, Values: []string{spaceGUID}},
)
if err != nil {
return []resources.Application{}, Warnings(warnings), err
}
return apps, Warnings(warnings), nil
}
// CreateApplicationInSpace creates and returns the application with the given
// name in the given space.
func (actor Actor) CreateApplicationInSpace(app resources.Application, spaceGUID string) (resources.Application, Warnings, error) {
createdApp, warnings, err := actor.CloudControllerClient.CreateApplication(
resources.Application{
LifecycleType: app.LifecycleType,
LifecycleBuildpacks: app.LifecycleBuildpacks,
StackName: app.StackName,
Name: app.Name,
SpaceGUID: spaceGUID,
})
if err != nil {
return resources.Application{}, Warnings(warnings), err
}
return 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,
) (resources.Application, Warnings, error) {
app, getWarnings, err := actor.GetApplicationByNameAndSpace(appName, spaceGUID)
if err != nil {
return resources.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) (Warnings, error) {
_, warnings, err := actor.CloudControllerClient.UpdateApplicationStart(appGUID)
return Warnings(warnings), err
}
// RestartApplication restarts an application and waits for it to start.
func (actor Actor) RestartApplication(appGUID string, noWait bool) (Warnings, error) {
// var allWarnings Warnings
_, warnings, err := actor.CloudControllerClient.UpdateApplicationRestart(appGUID)
return Warnings(warnings), err
}
func (actor Actor) GetUnstagedNewestPackageGUID(appGUID string) (string, Warnings, error) {
var err error
var allWarnings Warnings
packages, warnings, err := actor.CloudControllerClient.GetPackages(
ccv3.Query{Key: ccv3.AppGUIDFilter, Values: []string{appGUID}},
ccv3.Query{Key: ccv3.OrderBy, Values: []string{ccv3.CreatedAtDescendingOrder}},
ccv3.Query{Key: ccv3.PerPage, Values: []string{"1"}})
allWarnings = append(allWarnings, warnings...)
if err != nil {
return "", allWarnings, err
}
if len(packages) == 0 {
return "", allWarnings, nil
}
newestPackage := packages[0]
droplets, warnings, err := actor.CloudControllerClient.GetPackageDroplets(
newestPackage.GUID,
ccv3.Query{Key: ccv3.StatesFilter, Values: []string{"STAGED"}},
ccv3.Query{Key: ccv3.PerPage, Values: []string{"1"}},
)
allWarnings = append(allWarnings, warnings...)
if err != nil {
return "", allWarnings, err
}
if len(droplets) == 0 {
return newestPackage.GUID, allWarnings, nil
}
return "", allWarnings, nil
}
// PollStart polls an application's processes until some are started. If noWait is false,
// it waits for at least one instance of all processes to be running. If noWait is true,
// it only waits for an instance of the web process to be running.
func (actor Actor) PollStart(app resources.Application, noWait bool, handleInstanceDetails func(string)) (Warnings, error) {
var allWarnings Warnings
processes, warnings, err := actor.CloudControllerClient.GetApplicationProcesses(app.GUID)
allWarnings = append(allWarnings, warnings...)
if err != nil {
return allWarnings, err
}
var filteredProcesses []ccv3.Process
if noWait {
for _, process := range processes {
if process.Type == constant.ProcessTypeWeb {
filteredProcesses = append(filteredProcesses, process)
}
}
} else {
filteredProcesses = processes
}
timer := actor.Clock.NewTimer(time.Millisecond)
defer timer.Stop()
timeout := actor.Clock.After(actor.Config.StartupTimeout())
for {
select {
case <-timeout:
return allWarnings, actionerror.StartupTimeoutError{Name: app.Name}
case <-timer.C():
stopPolling, warnings, err := actor.PollProcesses(filteredProcesses, handleInstanceDetails)
allWarnings = append(allWarnings, warnings...)
if stopPolling || err != nil {
return allWarnings, err
}
timer.Reset(actor.Config.PollingInterval())
}
}
}
// PollStartForRolling polls a deploying application's processes until some are started. It does the same thing as PollStart, except it accounts for rolling deployments and whether
// they have failed or been canceled during polling.
func (actor Actor) PollStartForRolling(app resources.Application, deploymentGUID string, noWait bool, handleInstanceDetails func(string)) (Warnings, error) {
var (
deployment ccv3.Deployment
processes []ccv3.Process
allWarnings Warnings
)
timer := actor.Clock.NewTimer(time.Millisecond)
defer timer.Stop()
timeout := actor.Clock.After(actor.Config.StartupTimeout())
for {
select {
case <-timeout:
return allWarnings, actionerror.StartupTimeoutError{Name: app.Name}
case <-timer.C():
if !isDeployed(deployment) {
ccDeployment, warnings, err := actor.getDeployment(deploymentGUID)
allWarnings = append(allWarnings, warnings...)
if err != nil {
return allWarnings, err
}
deployment = ccDeployment
processes, warnings, err = actor.getProcesses(deployment, app.GUID, noWait)
allWarnings = append(allWarnings, warnings...)
if err != nil {
return allWarnings, err
}
}
if noWait || isDeployed(deployment) {
stopPolling, warnings, err := actor.PollProcesses(processes, handleInstanceDetails)
allWarnings = append(allWarnings, warnings...)
if stopPolling || err != nil {
return allWarnings, err
}
}
timer.Reset(actor.Config.PollingInterval())
}
}
}
func isDeployed(d ccv3.Deployment) bool {
return d.StatusValue == constant.DeploymentStatusValueFinalized && d.StatusReason == constant.DeploymentStatusReasonDeployed
}
// PollProcesses - return true if there's no need to keep polling
func (actor Actor) PollProcesses(processes []ccv3.Process, handleInstanceDetails func(string)) (bool, Warnings, error) {
numProcesses := len(processes)
numStableProcesses := 0
var allWarnings Warnings
for _, process := range processes {
ccInstances, ccWarnings, err := actor.CloudControllerClient.GetProcessInstances(process.GUID)
instances := ProcessInstances(ccInstances)
allWarnings = append(allWarnings, ccWarnings...)
if err != nil {
return true, allWarnings, err
}
handleInstanceDetails(formatInstanceDetails(instances))
if instances.Empty() || instances.AnyRunning() {
numStableProcesses += 1
continue
}
if instances.AllCrashed() {
return true, allWarnings, actionerror.AllInstancesCrashedError{}
}
//precondition: !instances.Empty() && no instances are running
// do not increment numStableProcesses
return false, allWarnings, nil
}
return numStableProcesses == numProcesses, allWarnings, nil
}
// UpdateApplication updates the buildpacks on an application
func (actor Actor) UpdateApplication(app resources.Application) (resources.Application, Warnings, error) {
ccApp := resources.Application{
GUID: app.GUID,
StackName: app.StackName,
LifecycleType: app.LifecycleType,
LifecycleBuildpacks: app.LifecycleBuildpacks,
Metadata: app.Metadata,
Name: app.Name,
}
updatedApp, warnings, err := actor.CloudControllerClient.UpdateApplication(ccApp)
if err != nil {
return resources.Application{}, Warnings(warnings), err
}
return updatedApp, Warnings(warnings), nil
}
func (actor Actor) getDeployment(deploymentGUID string) (ccv3.Deployment, Warnings, error) {
deployment, warnings, err := actor.CloudControllerClient.GetDeployment(deploymentGUID)
if err != nil {
return deployment, Warnings(warnings), err
}
if deployment.StatusValue == constant.DeploymentStatusValueFinalized {
switch deployment.StatusReason {
case constant.DeploymentStatusReasonCanceled:
return deployment, Warnings(warnings), errors.New("Deployment has been canceled")
case constant.DeploymentStatusReasonSuperseded:
return deployment, Warnings(warnings), errors.New("Deployment has been superseded")
}
}
return deployment, Warnings(warnings), err
}
func (actor Actor) getProcesses(deployment ccv3.Deployment, appGUID string, noWait bool) ([]ccv3.Process, Warnings, error) {
if noWait {
// these are only web processes for now so we can just use these
return deployment.NewProcesses, nil, nil
}
// if the deployment is deployed we know web are all running and PollProcesses will see those as stable
// so just getting all processes is equivalent to just getting non-web ones and polling those
if isDeployed(deployment) {
processes, warnings, err := actor.CloudControllerClient.GetApplicationProcesses(appGUID)
if err != nil {
return processes, Warnings(warnings), err
}
return processes, Warnings(warnings), nil
}
return nil, nil, nil
}
func (actor Actor) RenameApplicationByNameAndSpaceGUID(appName, newAppName, spaceGUID string) (resources.Application, Warnings, error) {
allWarnings := Warnings{}
application, warnings, err := actor.GetApplicationByNameAndSpace(appName, spaceGUID)
allWarnings = append(allWarnings, warnings...)
if err != nil {
return resources.Application{}, allWarnings, err
}
application.Name = newAppName
application, warnings, err = actor.UpdateApplication(application)
allWarnings = append(allWarnings, warnings...)
if err != nil {
return resources.Application{}, allWarnings, err
}
return application, allWarnings, nil
}
func formatInstanceDetails(instances ProcessInstances) string {
for _, instance := range instances {
if instance.Details != "" {
return fmt.Sprintf("Error starting instances: '%s'", instance.Details)
}
}
return "Instances starting..."
}