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Add logic to check for Job readiness
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,171 @@ | ||
| // Copyright 2016-2019, Pulumi Corporation. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package await | ||
|
|
||
| import ( | ||
| "time" | ||
|
|
||
| "github.com/golang/glog" | ||
| "github.com/pkg/errors" | ||
| "github.com/pulumi/pulumi-kubernetes/pkg/await/states" | ||
| "github.com/pulumi/pulumi-kubernetes/pkg/clients" | ||
| "github.com/pulumi/pulumi-kubernetes/pkg/kinds" | ||
| "github.com/pulumi/pulumi-kubernetes/pkg/logging" | ||
| "github.com/pulumi/pulumi-kubernetes/pkg/metadata" | ||
| "github.com/pulumi/pulumi/pkg/diag" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
| "k8s.io/apimachinery/pkg/watch" | ||
| ) | ||
|
|
||
| const ( | ||
| DefaultJobTimeoutMins = 10 | ||
| ) | ||
|
|
||
| type jobInitAwaiter struct { | ||
| job *unstructured.Unstructured | ||
| config createAwaitConfig | ||
| state *states.StateChecker | ||
| errors logging.TimeOrderedLogSet | ||
| resource ResourceId | ||
| } | ||
|
|
||
| func makeJobInitAwaiter(c createAwaitConfig) *jobInitAwaiter { | ||
| return &jobInitAwaiter{ | ||
| config: c, | ||
| job: c.currentOutputs, | ||
| state: states.NewJobChecker(), | ||
| resource: ResourceIdFromUnstructured(c.currentOutputs), | ||
| } | ||
| } | ||
|
|
||
| func (jia *jobInitAwaiter) Await() error { | ||
| jobClient, err := clients.ResourceClient(kinds.Job, jia.config.currentInputs.GetNamespace(), jia.config.clientSet) | ||
| if err != nil { | ||
| return errors.Wrapf(err, | ||
| "Could not make client to watch Job %q", | ||
| jia.config.currentInputs.GetName()) | ||
| } | ||
| jobWatcher, err := jobClient.Watch(metav1.ListOptions{}) | ||
| if err != nil { | ||
| return errors.Wrapf(err, "Couldn't set up watch for Job object %q", | ||
| jia.config.currentInputs.GetName()) | ||
| } | ||
| defer jobWatcher.Stop() | ||
|
|
||
| podAggregator, err := NewPodAggregator(ResourceIdFromUnstructured(jia.job), jia.config.clientSet) | ||
| if err != nil { | ||
| return errors.Wrapf(err, "Could not create PodAggregator for %s", jia.resource.GVKString()) | ||
| } | ||
| defer podAggregator.Stop() | ||
|
|
||
| timeout := metadata.TimeoutDuration(jia.config.timeout, jia.config.currentInputs, DefaultJobTimeoutMins*60) | ||
| for { | ||
| if jia.state.Ready() { | ||
| return nil | ||
| } | ||
|
|
||
| // Else, wait for updates. | ||
| select { | ||
| case <-jia.config.ctx.Done(): | ||
| return &cancellationError{ | ||
| object: jia.job, | ||
| subErrors: jia.errorMessages(), | ||
| } | ||
| case <-time.After(timeout): | ||
| return &timeoutError{ | ||
| object: jia.job, | ||
| subErrors: jia.errorMessages(), | ||
| } | ||
| case event := <-jobWatcher.ResultChan(): | ||
| err := jia.processJobEvent(event) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| case messages := <-podAggregator.ResultChan(): | ||
| for _, message := range messages { | ||
| jia.errors.Add(message) | ||
| jia.config.logMessage(message) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func (jia *jobInitAwaiter) Read() error { | ||
| jobClient, err := clients.ResourceClient(kinds.Job, jia.config.currentInputs.GetNamespace(), jia.config.clientSet) | ||
| if err != nil { | ||
| return errors.Wrapf(err, | ||
| "Could not make client to get Job %q", | ||
| jia.config.currentInputs.GetName()) | ||
| } | ||
| // Get live version of Job. | ||
| job, err := jobClient.Get(jia.config.currentInputs.GetName(), metav1.GetOptions{}) | ||
| if err != nil { | ||
| // IMPORTANT: Do not wrap this error! If this is a 404, the provider need to know so that it | ||
| // can mark the Pod as having been deleted. | ||
| return err | ||
| } | ||
|
|
||
| _ = jia.processJobEvent(watchAddedEvent(job)) | ||
|
|
||
| // Check whether we've succeeded. | ||
| if jia.state.Ready() { | ||
| return nil | ||
| } | ||
|
|
||
| return &initializationError{ | ||
| subErrors: jia.errorMessages(), | ||
| object: job, | ||
| } | ||
| } | ||
|
|
||
| func (jia *jobInitAwaiter) processJobEvent(event watch.Event) error { | ||
| job, err := clients.JobFromUnstructured(event.Object.(*unstructured.Unstructured)) | ||
| if err != nil { | ||
| glog.V(3).Infof("Failed to unmarshal Job event: %v", err) | ||
| return nil | ||
| } | ||
|
|
||
| // Do nothing if this is not the job we're waiting for. | ||
| if job.GetName() != jia.config.currentInputs.GetName() { | ||
| return nil | ||
| } | ||
|
|
||
| messages := jia.state.Update(job) | ||
| for _, message := range messages.MessagesWithSeverity(diag.Warning, diag.Error) { | ||
| jia.errors.Add(message) | ||
| } | ||
| for _, message := range messages { | ||
| jia.config.logMessage(message) | ||
| } | ||
|
|
||
| if len(messages.Errors()) > 0 { | ||
| return &initializationError{ | ||
| subErrors: jia.errorMessages(), | ||
| object: jia.job, | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (jia *jobInitAwaiter) errorMessages() []string { | ||
| messages := make([]string, 0) | ||
| for _, message := range jia.errors.Messages { | ||
| messages = append(messages, message.S) | ||
| } | ||
|
|
||
| return messages | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| { | ||
| "apiVersion": "batch/v1", | ||
| "kind": "Job", | ||
| "metadata": { | ||
| "annotations": { | ||
| "kubectl.kubernetes.io/last-applied-configuration": "{\"apiVersion\":\"batch/v1\",\"kind\":\"Job\",\"metadata\":{\"labels\":{\"app.kubernetes.io/managed-by\":\"pulumi\"},\"name\":\"foo\"},\"spec\":{\"backoffLimit\":1,\"template\":{\"spec\":{\"activeDeadlineSeconds\":10,\"containers\":[{\"command\":[\"perl\",\"-Mbignum=bpi\",\"-wle\",\"print bpi(2000)\"],\"image\":\"perl-fail\",\"name\":\"pi\"}],\"restartPolicy\":\"Never\"}}}}\n" | ||
| }, | ||
| "creationTimestamp": "2019-09-04T18:19:35Z", | ||
| "labels": { | ||
| "app.kubernetes.io/managed-by": "pulumi" | ||
| }, | ||
| "name": "foo", | ||
| "namespace": "default", | ||
| "resourceVersion": "1127282", | ||
| "selfLink": "/apis/batch/v1/namespaces/default/jobs/foo", | ||
| "uid": "8c668c31-cf40-11e9-8c3a-025000000001" | ||
| }, | ||
| "spec": { | ||
| "backoffLimit": 1, | ||
| "completions": 1, | ||
| "parallelism": 1, | ||
| "selector": { | ||
| "matchLabels": { | ||
| "controller-uid": "8c668c31-cf40-11e9-8c3a-025000000001" | ||
| } | ||
| }, | ||
| "template": { | ||
| "metadata": { | ||
| "creationTimestamp": null, | ||
| "labels": { | ||
| "controller-uid": "8c668c31-cf40-11e9-8c3a-025000000001", | ||
| "job-name": "foo" | ||
| } | ||
| }, | ||
| "spec": { | ||
| "activeDeadlineSeconds": 10, | ||
| "containers": [ | ||
| { | ||
| "command": [ | ||
| "perl", | ||
| "-Mbignum=bpi", | ||
| "-wle", | ||
| "print bpi(2000)" | ||
| ], | ||
| "image": "perl-fail", | ||
| "imagePullPolicy": "Always", | ||
| "name": "pi", | ||
| "resources": {}, | ||
| "terminationMessagePath": "/dev/termination-log", | ||
| "terminationMessagePolicy": "File" | ||
| } | ||
| ], | ||
| "dnsPolicy": "ClusterFirst", | ||
| "restartPolicy": "Never", | ||
| "schedulerName": "default-scheduler", | ||
| "securityContext": {}, | ||
| "terminationGracePeriodSeconds": 30 | ||
| } | ||
| } | ||
| }, | ||
| "status": { | ||
| "conditions": [ | ||
| { | ||
| "lastProbeTime": "2019-09-04T18:19:55Z", | ||
| "lastTransitionTime": "2019-09-04T18:19:55Z", | ||
| "message": "Job has reached the specified backoff limit", | ||
| "reason": "BackoffLimitExceeded", | ||
| "status": "True", | ||
| "type": "Failed" | ||
| } | ||
| ], | ||
| "failed": 2, | ||
| "startTime": "2019-09-04T18:19:35Z" | ||
| } | ||
| } |
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