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controller.go
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controller.go
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/*
based on sample-controller from https://github.com/kubernetes/sample-controller/blob/7047ee6ceceef2118a2017bbfff4a86c1f56f1ca/controller.go
*/
package runctl
import (
"context"
"fmt"
"time"
api "github.com/SAP/stewardci-core/pkg/apis/steward/v1alpha1"
"github.com/SAP/stewardci-core/pkg/client/clientset/versioned/scheme"
serrors "github.com/SAP/stewardci-core/pkg/errors"
"github.com/SAP/stewardci-core/pkg/k8s"
"github.com/SAP/stewardci-core/pkg/k8s/secrets"
"github.com/SAP/stewardci-core/pkg/maintenancemode"
"github.com/SAP/stewardci-core/pkg/runctl/cfg"
"github.com/SAP/stewardci-core/pkg/runctl/metrics"
run "github.com/SAP/stewardci-core/pkg/runctl/run"
"github.com/SAP/stewardci-core/pkg/runctl/runmgr"
"github.com/SAP/stewardci-core/pkg/stewardlabels"
"github.com/SAP/stewardci-core/pkg/utils"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/apimachinery/pkg/util/wait"
typedcorev1 "k8s.io/client-go/kubernetes/typed/core/v1"
"k8s.io/client-go/tools/cache"
"k8s.io/client-go/tools/record"
"k8s.io/client-go/util/workqueue"
klog "k8s.io/klog/v2"
)
const (
// heartbeatStimulusKey is a special key inserted into the controller
// work queue as heartbeat stimulus.
// It is an invalid Kubernetes name to avoid conflicts with real
// pipeline runs.
heartbeatStimulusKey = "Heartbeat Stimulus"
)
var (
// Interval for histogram creation set to prometheus default scrape interval
meteringInterval = 1 * time.Minute
defaultWaitTimeout = 10 * time.Minute
)
// Controller processes PipelineRun resources
type Controller struct {
factory k8s.ClientFactory
pipelineRunFetcher k8s.PipelineRunFetcher
pipelineRunsSynced cache.InformerSynced
tektonTaskRunsSynced cache.InformerSynced
workqueue workqueue.RateLimitingInterface
testing *controllerTesting
eventRecorder record.EventRecorder
pipelineRunStore cache.Store
heartbeatInterval time.Duration
heartbeatLogLevel *klog.Level
}
type controllerTesting struct {
createRunManagerStub run.Manager
newRunManagerStub func(k8s.ClientFactory, secrets.SecretProvider) run.Manager
loadPipelineRunsConfigStub func(ctx context.Context) (*cfg.PipelineRunsConfigStruct, error)
isMaintenanceModeStub func(ctx context.Context) (bool, error)
}
// ControllerOpts stores options for the construction of a Controller
// instance.
type ControllerOpts struct {
// HeartbeatInterval is the interval for heartbeats.
// If zero or negative, heartbeats are disabled.
HeartbeatInterval time.Duration
// HeartbeatLogLevel is a pointer to a klog log level to be used for
// logging heartbeats.
// If nil, heartbeat logging is disabled and heartbeats are only
// exposed via metric.
HeartbeatLogLevel *klog.Level
}
// NewController creates new Controller
func NewController(factory k8s.ClientFactory, opts ControllerOpts) *Controller {
pipelineRunInformer := factory.StewardInformerFactory().Steward().V1alpha1().PipelineRuns()
pipelineRunFetcher := k8s.NewListerBasedPipelineRunFetcher(pipelineRunInformer.Lister())
tektonTaskRunInformer := factory.TektonInformerFactory().Tekton().V1beta1().TaskRuns()
eventBroadcaster := record.NewBroadcaster()
eventBroadcaster.StartLogging(klog.V(3).Infof)
eventBroadcaster.StartRecordingToSink(&typedcorev1.EventSinkImpl{Interface: factory.CoreV1().Events("")})
eventRecorder := eventBroadcaster.NewRecorder(scheme.Scheme, corev1.EventSource{Component: "runController"})
controller := &Controller{
factory: factory,
pipelineRunFetcher: pipelineRunFetcher,
pipelineRunsSynced: pipelineRunInformer.Informer().HasSynced,
tektonTaskRunsSynced: tektonTaskRunInformer.Informer().HasSynced,
workqueue: workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), metrics.WorkqueueName),
eventRecorder: eventRecorder,
pipelineRunStore: pipelineRunInformer.Informer().GetStore(),
}
controller.heartbeatInterval = opts.HeartbeatInterval
if opts.HeartbeatLogLevel != nil {
copyOfValue := *opts.HeartbeatLogLevel
controller.heartbeatLogLevel = ©OfValue
}
pipelineRunInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
AddFunc: controller.addToWorkqueue,
UpdateFunc: func(old, new interface{}) {
controller.addToWorkqueue(new)
},
})
tektonTaskRunInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
AddFunc: controller.addToWorkqueueFromAssociated,
UpdateFunc: func(old, new interface{}) {
controller.addToWorkqueueFromAssociated(new)
},
})
return controller
}
// meterAllPipelineRunsPeriodic observes certain metrics of all existing pipeline runs (in the informer cache).
func (c *Controller) meterAllPipelineRunsPeriodic() {
klog.V(4).Infof("metering all pipeline runs")
objs := c.pipelineRunStore.List()
for _, obj := range objs {
pipelineRun := obj.(*api.PipelineRun)
// do not meter delays caused by finalizers
if pipelineRun.DeletionTimestamp.IsZero() {
metrics.PipelineRunsPeriodic.Observe(pipelineRun)
}
}
}
// Run runs the controller
func (c *Controller) Run(threadiness int, stopCh <-chan struct{}) error {
defer utilruntime.HandleCrash()
defer c.workqueue.ShutDown()
klog.V(2).Infof("Sync cache")
if ok := cache.WaitForCacheSync(stopCh, c.pipelineRunsSynced, c.tektonTaskRunsSynced); !ok {
return fmt.Errorf("failed to wait for caches to sync")
}
klog.V(2).Infof("Starting metering of pipeline runs with interval %v", meteringInterval)
go wait.Until(c.meterAllPipelineRunsPeriodic, meteringInterval, stopCh)
if c.heartbeatInterval > 0 {
klog.V(2).Infof("Starting controller heartbeat stimulator with interval %s", c.heartbeatInterval)
go wait.Until(c.heartbeatStimulus, c.heartbeatInterval, stopCh)
} else {
klog.V(2).Info("Controller heartbeat is disabled")
}
klog.V(2).Infof("Start workers")
for i := 0; i < threadiness; i++ {
go wait.Until(c.runWorker, time.Second, stopCh)
}
klog.V(2).Infof("Workers running")
<-stopCh
klog.V(2).Infof("Workers stopped")
return nil
}
func (c *Controller) runWorker() {
for c.processNextWorkItem() {
}
}
// processNextWorkItem will read a single work item off the workqueue and
// attempt to process it, by calling the syncHandler.
func (c *Controller) processNextWorkItem() bool {
obj, shutdown := c.workqueue.Get()
if shutdown {
return false
}
// We wrap this block in a func so we can defer c.workqueue.Done.
err := func(obj interface{}) error {
// We call Done here so the workqueue knows we have finished
// processing this item. We also must remember to call Forget if we
// do not want this work item being re-queued. For example, we do
// not call Forget if a transient error occurs, instead the item is
// put back on the workqueue and attempted again after a back-off
// period.
defer c.workqueue.Done(obj)
var key string
var ok bool
// We expect strings to come off the workqueue. These are of the
// form namespace/name. We do this as the delayed nature of the
// workqueue means the items in the informer cache may actually be
// more up to date that when the item was initially put onto the
// workqueue.
if key, ok = obj.(string); !ok {
// As the item in the workqueue is actually invalid, we call
// Forget here else we'd go into a loop of attempting to
// process a work item that is invalid.
c.workqueue.Forget(obj)
utilruntime.HandleError(fmt.Errorf("expected string in workqueue but got %#v", obj))
return nil
}
// Run the syncHandler, passing it the namespace/name string of the
// Foo resource to be synced.
if err := c.syncHandler(key); err != nil {
// Put the item back on the workqueue to handle any transient errors.
c.workqueue.AddRateLimited(key)
return fmt.Errorf("error syncing '%s': %s, requeuing", key, err.Error())
}
// Finally, if no error occurs we Forget this item so it does not
// get queued again until another change happens.
c.workqueue.Forget(obj)
klog.V(5).Infof("Finished syncing '%s'", key)
return nil
}(obj)
if err != nil {
utilruntime.HandleError(err)
return true
}
return true
}
func (c *Controller) heartbeatStimulus() {
c.workqueue.Add(heartbeatStimulusKey)
}
func (c *Controller) heartbeat() {
if c.heartbeatLogLevel != nil {
klog.V(*c.heartbeatLogLevel).InfoS("heartbeat")
}
metrics.ControllerHeartbeats.Inc()
}
func (c *Controller) changeState(pipelineRun k8s.PipelineRun, state api.State, ts metav1.Time) error {
err := pipelineRun.UpdateState(state, ts)
if err != nil {
klog.V(3).Infof("Failed to UpdateState of [%s] to %q: %q", pipelineRun.String(), state, err.Error())
return err
}
return nil
}
func (c *Controller) createRunManager(pipelineRun k8s.PipelineRun) run.Manager {
if c.testing != nil && c.testing.createRunManagerStub != nil {
return c.testing.createRunManagerStub
}
tenant := k8s.NewTenantNamespace(c.factory, pipelineRun.GetNamespace())
workFactory := tenant.TargetClientFactory()
return c.newRunManager(workFactory, tenant.GetSecretProvider())
}
func (c *Controller) newRunManager(workFactory k8s.ClientFactory, secretProvider secrets.SecretProvider) run.Manager {
if c.testing != nil && c.testing.newRunManagerStub != nil {
return c.testing.newRunManagerStub(workFactory, secretProvider)
}
return runmgr.NewRunManager(workFactory, secretProvider)
}
func (c *Controller) loadPipelineRunsConfig(ctx context.Context) (*cfg.PipelineRunsConfigStruct, error) {
if c.testing != nil && c.testing.loadPipelineRunsConfigStub != nil {
return c.testing.loadPipelineRunsConfigStub(ctx)
}
return cfg.LoadPipelineRunsConfig(ctx, c.factory)
}
func (c *Controller) isMaintenanceMode(ctx context.Context) (bool, error) {
if c.testing != nil && c.testing.isMaintenanceModeStub != nil {
return c.testing.isMaintenanceModeStub(ctx)
}
return maintenancemode.IsMaintenanceMode(ctx, c.factory)
}
// syncHandler compares the actual state with the desired, and attempts to
// converge the two. It then updates the Status block of the Foo resource
// with the current status of the resource.
func (c *Controller) syncHandler(key string) error {
if key == heartbeatStimulusKey {
c.heartbeat()
return nil
}
ctx := context.Background()
pipelineRun, err := c.getPipelineRunToProcess(ctx, key)
if pipelineRun == nil {
// If pipelineRun is not found there is nothing to sync
return err
}
doReturn, err := c.handlePipelineRunFinalizerAndDeletion(ctx, pipelineRun)
if doReturn || err != nil {
return err
}
err = c.handlePipelineRunAbort(ctx, pipelineRun)
if err != nil {
return err
}
err = c.handlePipelineRunResultExistsButNotCleaned(ctx, pipelineRun)
if err != nil {
return err
}
doReturn, err = c.handlePipelineRunNew(ctx, pipelineRun)
if doReturn || err != nil {
return err
}
runManager := c.createRunManager(pipelineRun)
// the configuration should be loaded once per sync to avoid inconsistencies
// in case of concurrent configuration changes
pipelineRunsConfig, doReturn, err := c.ensurePipelineRunsConfig(ctx, pipelineRun)
if doReturn || err != nil {
return err
}
doReturn, err = c.handlePipelineRunPrepare(ctx, runManager, pipelineRun, pipelineRunsConfig)
if doReturn || err != nil {
return err
}
doReturn, err = c.handlePipelineRunWaiting(ctx, runManager, pipelineRun, pipelineRunsConfig)
if doReturn || err != nil {
return err
}
doReturn, err = c.handlePipelineRunRunning(ctx, runManager, pipelineRun, pipelineRunsConfig)
if doReturn || err != nil {
return err
}
doReturn, err = c.handlePipelineRunCleaning(ctx, runManager, pipelineRun)
if doReturn || err != nil {
return err
}
return nil
}
func (c *Controller) getPipelineRunToProcess(ctx context.Context, key string) (k8s.PipelineRun, error) {
// Get pipeline run from informer cache
pipelineRunAPIObj, err := c.pipelineRunFetcher.ByKey(ctx, key)
if err != nil {
return nil, err
}
// Initial checks on cached pipelineRun
if !c.isPipelineRunAPIObjThatNeedsProcessing(ctx, pipelineRunAPIObj) {
return nil, nil
}
// Fetches latest revision from storage bypassing the informer cache
pipelineRun, err := k8s.NewPipelineRun(ctx, pipelineRunAPIObj, c.factory)
if err != nil {
return nil, err
}
return pipelineRun, nil
}
// isPipelineRunAPIObjThatNeedsProcessing sorts out pipeline runs that do not
// need processing.
func (c *Controller) isPipelineRunAPIObjThatNeedsProcessing(ctx context.Context, pipelineRunAPIObj *api.PipelineRun) bool {
// If pipelineRun is not found there is nothing to sync
if pipelineRunAPIObj == nil {
return false
}
// don't process if labelled as to be ignored
if stewardlabels.IsLabelledAsIgnore(pipelineRunAPIObj) {
return false
}
// fast exit - no finalizer cleanup needed
if pipelineRunAPIObj.Status.State == api.StateFinished &&
!utils.StringSliceContains(pipelineRunAPIObj.ObjectMeta.Finalizers, k8s.FinalizerName) {
return false
}
return true
}
func (c *Controller) handlePipelineRunFinalizerAndDeletion(
ctx context.Context,
pipelineRun k8s.PipelineRun,
) (bool, error) {
if pipelineRun.GetStatus().State == api.StateFinished {
err := pipelineRun.DeleteFinalizerAndCommitIfExists(ctx)
return true, err
}
if pipelineRun.HasDeletionTimestamp() {
runManager := c.createRunManager(pipelineRun)
err := runManager.Cleanup(ctx, pipelineRun)
if err != nil {
c.eventRecorder.Event(pipelineRun.GetReference(), corev1.EventTypeWarning, api.EventReasonCleaningFailed, err.Error())
return true, err
}
return false, c.updateStateAndResult(ctx, pipelineRun, api.StateFinished, api.ResultDeleted, metav1.Now())
}
return false, pipelineRun.AddFinalizerAndCommitIfNotPresent(ctx)
}
func (c *Controller) handlePipelineRunResultExistsButNotCleaned(
ctx context.Context,
pipelineRun k8s.PipelineRun,
) error {
result := pipelineRun.GetStatus().Result
state := pipelineRun.GetStatus().State
if result != api.ResultUndefined &&
state != api.StateCleaning &&
state != api.StateFinished {
err := c.changeState(pipelineRun, api.StateCleaning, metav1.Now())
if err != nil {
panic(err)
}
}
return nil
}
func (c *Controller) handlePipelineRunNew(
ctx context.Context,
pipelineRun k8s.PipelineRun,
) (bool, error) {
if pipelineRun.GetStatus().State == api.StateUndefined {
if err := pipelineRun.InitState(); err != nil {
panic(err)
}
}
if pipelineRun.GetStatus().State == api.StateNew {
maintenanceMode, err := c.isMaintenanceMode(ctx)
if err != nil {
return true, err
}
if maintenanceMode {
err := fmt.Errorf("pipeline execution is paused while the system is in maintenance mode")
c.eventRecorder.Event(pipelineRun.GetReference(), corev1.EventTypeNormal, api.EventReasonMaintenanceMode, err.Error())
// Return error that the pipeline stays in the queue and will be processed after switching back to normal mode.
return true, err
}
if err = c.changeAndCommitStateAndMeter(ctx, pipelineRun, api.StatePreparing, metav1.Now()); err != nil {
return true, err
}
metrics.PipelineRunsStarted.Inc()
}
return false, nil
}
func (c *Controller) ensurePipelineRunsConfig(ctx context.Context, pipelineRun k8s.PipelineRun) (*cfg.PipelineRunsConfigStruct, bool, error) {
var pipelineRunsConfig *cfg.PipelineRunsConfigStruct
state := pipelineRun.GetStatus().State
// TODO do not assume in which phase the config is (not) needed
if state == api.StatePreparing || state == api.StateWaiting {
var err error
pipelineRunsConfig, err = c.loadPipelineRunsConfig(ctx)
if err != nil {
var targetState api.State
if state == api.StatePreparing {
targetState = api.StateFinished
} else {
targetState = api.StateCleaning
}
err = c.onGetRunError(
ctx,
pipelineRun,
err,
targetState,
api.ResultErrorInfra,
"failed to load configuration for pipeline runs",
)
return nil, true, err
}
}
return pipelineRunsConfig, false, nil
}
func (c *Controller) handlePipelineRunPrepare(
ctx context.Context,
runManager run.Manager,
pipelineRun k8s.PipelineRun,
pipelineRunsConfig *cfg.PipelineRunsConfigStruct,
) (bool, error) {
if pipelineRun.GetStatus().State == api.StatePreparing {
namespace, auxNamespace, err := runManager.Prepare(ctx, pipelineRun, pipelineRunsConfig)
if err != nil {
c.eventRecorder.Event(pipelineRun.GetReference(), corev1.EventTypeWarning, api.EventReasonPreparingFailed, err.Error())
resultClass := serrors.GetClass(err)
// In case we have a result we can cleanup. Otherwise we retry in the next iteration.
if resultClass != api.ResultUndefined {
return true, c.handleResultError(ctx, pipelineRun, resultClass, "preparing failed", err)
}
return true, err
}
pipelineRun.UpdateRunNamespace(namespace)
pipelineRun.UpdateAuxNamespace(auxNamespace)
if err = c.changeAndCommitStateAndMeter(ctx, pipelineRun, api.StateWaiting, metav1.Now()); err != nil {
return true, err
}
// TODO return (false, nil) to continue with next phase
return true, nil
}
return false, nil
}
func (c *Controller) handlePipelineRunWaiting(
ctx context.Context,
runManager run.Manager,
pipelineRun k8s.PipelineRun,
pipelineRunsConfig *cfg.PipelineRunsConfigStruct,
) (bool, error) {
if pipelineRun.GetStatus().State == api.StateWaiting {
const waitingFailed = "waiting failed"
run, err := runManager.GetRun(ctx, pipelineRun)
if err != nil {
return true, c.onGetRunError(ctx, pipelineRun, err, api.StateCleaning, api.ResultErrorInfra, waitingFailed)
}
// Check for wait timeout
startTime := pipelineRun.GetStatus().StateDetails.StartedAt
timeout := c.getWaitTimeout(pipelineRunsConfig)
if startTime.Add(timeout.Duration).Before(time.Now()) {
err := fmt.Errorf(
"main pod has not started after %s",
timeout.Duration,
)
return true, c.handleResultError(ctx, pipelineRun, api.ResultErrorInfra, waitingFailed, err)
}
if run == nil {
if err = runManager.Start(ctx, pipelineRun, pipelineRunsConfig); err != nil {
c.eventRecorder.Event(pipelineRun.GetReference(), corev1.EventTypeWarning, api.EventReasonWaitingFailed, err.Error())
resultClass := serrors.GetClass(err)
// In case we have a result we can cleanup. Otherwise we retry in the next iteration.
if resultClass != api.ResultUndefined {
return true, c.handleResultError(ctx, pipelineRun, resultClass, waitingFailed, err)
}
return true, err
}
return true, nil
} else if run.IsRestartable() {
c.eventRecorder.Event(pipelineRun.GetReference(), corev1.EventTypeWarning, api.EventReasonWaitingFailed, "restarting")
return c.restart(ctx, runManager, pipelineRun)
}
started := run.GetStartTime()
if started != nil {
if err := c.changeAndCommitStateAndMeter(ctx, pipelineRun, api.StateRunning, *started); err != nil {
return true, err
}
}
// TODO return (false, nil) to continue with next phase
return true, nil
}
return false, nil
}
func (c *Controller) restart(
ctx context.Context,
runManager run.Manager,
pipelineRun k8s.PipelineRun,
) (bool, error) {
if err := runManager.DeleteRun(ctx, pipelineRun); err != nil {
if serrors.IsRecoverable(err) {
return true, err
}
return true, c.handleResultError(ctx, pipelineRun, api.ResultErrorInfra, "run deletion for restart failed", err)
}
return true, nil
}
func (c *Controller) handlePipelineRunRunning(
ctx context.Context,
runManager run.Manager,
pipelineRun k8s.PipelineRun,
pipelineRunsConfig *cfg.PipelineRunsConfigStruct,
) (bool, error) {
if pipelineRun.GetStatus().State == api.StateRunning {
const runningFailed = "running failed"
run, err := runManager.GetRun(ctx, pipelineRun)
if err != nil {
return true, c.onGetRunError(ctx, pipelineRun, err, api.StateCleaning, api.ResultErrorInfra, runningFailed)
}
if run == nil {
err = fmt.Errorf("task run not found in namespace %q", pipelineRun.GetRunNamespace())
return true, c.onGetRunError(ctx, pipelineRun, err, api.StateCleaning, api.ResultErrorInfra, runningFailed)
}
containerInfo := run.GetContainerInfo()
pipelineRun.UpdateContainer(containerInfo)
if finished, result := run.IsFinished(); finished {
pipelineRun.UpdateMessage(run.GetMessage())
return true, c.updateStateAndResult(ctx, pipelineRun, api.StateCleaning, result, *run.GetCompletionTime())
}
// commit container update
err = c.commitStatusAndMeter(ctx, pipelineRun)
if err != nil {
return true, err
}
// TODO return (false, nil) to continue with next phase
return true, nil
}
return false, nil
}
func (c *Controller) handlePipelineRunCleaning(
ctx context.Context,
runManager run.Manager,
pipelineRun k8s.PipelineRun,
) (bool, error) {
if pipelineRun.GetStatus().State == api.StateCleaning {
err := runManager.Cleanup(ctx, pipelineRun)
if err != nil {
c.eventRecorder.Event(pipelineRun.GetReference(), corev1.EventTypeWarning, api.EventReasonCleaningFailed, err.Error())
return true, err
}
if err = c.changeAndCommitStateAndMeter(ctx, pipelineRun, api.StateFinished, metav1.Now()); err != nil {
return true, err
}
if err = pipelineRun.DeleteFinalizerAndCommitIfExists(ctx); err != nil {
return true, err
}
}
return false, nil
}
func (c *Controller) getWaitTimeout(pipelineRunsConfig *cfg.PipelineRunsConfigStruct) *metav1.Duration {
timeout := pipelineRunsConfig.TimeoutWait
if utils.IsZeroDuration(timeout) {
timeout = utils.Metav1Duration(time.Duration(defaultWaitTimeout))
}
return timeout
}
// TODO find better name
func (c *Controller) handleResultError(ctx context.Context, pipelineRun k8s.PipelineRun, result api.Result, message string, err error) error {
pipelineRun.UpdateMessage(err.Error())
pipelineRun.StoreErrorAsMessage(err, message)
return c.updateStateAndResult(ctx, pipelineRun, api.StateCleaning, result, metav1.Now())
}
// TODO change name to express semantics
// This method is not only called when pipelineManager.GetRun()
// failed, but also in other context.
func (c *Controller) onGetRunError(
ctx context.Context,
pipelineRun k8s.PipelineRun,
err error,
targetState api.State,
result api.Result,
message string,
) error {
c.eventRecorder.Event(pipelineRun.GetReference(), corev1.EventTypeWarning, api.EventReasonRunningFailed, err.Error())
if serrors.IsRecoverable(err) {
return err
}
pipelineRun.StoreErrorAsMessage(err, message)
return c.updateStateAndResult(ctx, pipelineRun, targetState, result, metav1.Now())
}
func (c *Controller) changeAndCommitStateAndMeter(ctx context.Context, pipelineRun k8s.PipelineRun, state api.State, ts metav1.Time) error {
if err := c.changeState(pipelineRun, state, ts); err != nil {
return err
}
return c.commitStatusAndMeter(ctx, pipelineRun)
}
func (c *Controller) updateStateAndResult(ctx context.Context, pipelineRun k8s.PipelineRun, state api.State, result api.Result, ts metav1.Time) error {
pipelineRun.UpdateResult(result, ts)
if err := c.changeAndCommitStateAndMeter(ctx, pipelineRun, state, ts); err != nil {
return err
}
metrics.PipelineRunsResult.Observe(pipelineRun.GetStatus().Result)
if state == api.StateFinished {
return pipelineRun.DeleteFinalizerAndCommitIfExists(ctx)
}
return nil
}
func (c *Controller) commitStatusAndMeter(ctx context.Context, pipelineRun k8s.PipelineRun) error {
start := time.Now()
finishedStates, err := pipelineRun.CommitStatus(ctx)
if err != nil {
klog.V(6).Infof("commitStatus failed with error %s", err.Error())
return err
}
end := time.Now()
elapsed := end.Sub(start)
klog.V(6).Infof("commit of %q took %v", pipelineRun.String(), elapsed)
metrics.UpdatesLatency.Observe("UpdateState", elapsed)
for _, finishedState := range finishedStates {
metrics.PipelineRunsStateFinished.Observe(finishedState)
}
return nil
}
// handlePipelineRunAbort checks if pipeline run should be aborted.
// If the user requested abortion it updates message, result and state
// to trigger a cleanup.
func (c *Controller) handlePipelineRunAbort(ctx context.Context, pipelineRun k8s.PipelineRun) error {
intent := pipelineRun.GetSpec().Intent
if intent == api.IntentAbort && pipelineRun.GetStatus().Result == api.ResultUndefined {
pipelineRun.UpdateMessage("Aborted")
return c.updateStateAndResult(ctx, pipelineRun, api.StateCleaning, api.ResultAborted, metav1.Now())
}
return nil
}
func (c *Controller) addToWorkqueue(obj interface{}) {
var key string
var err error
if key, err = cache.MetaNamespaceKeyFunc(obj); err != nil {
utilruntime.HandleError(err)
return
}
klog.V(4).Infof("Add to workqueue '%s'", key)
c.workqueue.Add(key)
}
// addToWorkqueueFromAssociated takes any resource implementing metav1.Object and attempts
// to find the PipelineRun resource that 'owns' it. It does this by looking for
// a specific annotation. If such annotation exists, the named PipelineRun
// is put into the controller's work queue to be processed.
func (c *Controller) addToWorkqueueFromAssociated(obj interface{}) {
var object metav1.Object
var ok bool
if object, ok = obj.(metav1.Object); !ok {
tombstone, ok := obj.(cache.DeletedFinalStateUnknown)
if !ok {
utilruntime.HandleError(fmt.Errorf("error decoding object, invalid type"))
return
}
object, ok = tombstone.Obj.(metav1.Object)
if !ok {
utilruntime.HandleError(fmt.Errorf("error decoding object tombstone, invalid type"))
return
}
klog.V(3).Infof("Recovered deleted object '%s' from tombstone", object.GetName())
}
klog.V(4).Infof("Processing object: %s", object.GetSelfLink())
runKey := runmgr.GetPipelineRunKeyAnnotation(object)
if runKey != "" {
klog.V(4).Infof("Add to workqueue '%s'", runKey)
c.workqueue.Add(runKey)
}
}