4b759111b4
"gocritic" is "the most opinionated go linter". I was expecting to be terrified by the number of errors it would report when run, but it was surprisngly reasonable.
95 lines
3.3 KiB
Go
95 lines
3.3 KiB
Go
/*
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Copyright 2019 The Tekton Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cloudevent
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import (
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"time"
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"github.com/hashicorp/go-multierror"
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"github.com/tektoncd/pipeline/pkg/apis/pipeline/v1alpha1"
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"go.uber.org/zap"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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// InitializeCloudEvents initializes the CloudEvents part of the
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// TaskRunStatus from a slice of PipelineResources
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func InitializeCloudEvents(tr *v1alpha1.TaskRun, prs []*v1alpha1.PipelineResource) {
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// If there are no cloud event resources, this check will run on every reconcile
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if len(tr.Status.CloudEvents) == 0 {
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var targets []string
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for _, output := range prs {
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if output.Spec.Type == v1alpha1.PipelineResourceTypeCloudEvent {
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cer, _ := v1alpha1.NewCloudEventResource(output)
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targets = append(targets, cer.TargetURI)
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}
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}
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if len(targets) > 0 {
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tr.Status.CloudEvents = cloudEventDeliveryFromTargets(targets)
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}
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}
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}
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func cloudEventDeliveryFromTargets(targets []string) []v1alpha1.CloudEventDelivery {
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if len(targets) > 0 {
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initialState := v1alpha1.CloudEventDeliveryState{
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Condition: v1alpha1.CloudEventConditionUnknown,
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RetryCount: 0,
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}
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events := make([]v1alpha1.CloudEventDelivery, len(targets))
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for idx, target := range targets {
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events[idx] = v1alpha1.CloudEventDelivery{
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Target: target,
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Status: initialState,
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}
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}
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return events
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}
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return nil
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}
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// SendCloudEvents is used by the TaskRun controller to send cloud events once
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// the TaskRun is complete. `tr` is used to obtain the list of targets but also
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// to construct the body of the
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func SendCloudEvents(tr *v1alpha1.TaskRun, ceclient CEClient, logger *zap.SugaredLogger) error {
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// Using multierror here so we can attempt to send all cloud events defined,
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// regardless of whether they fail or not, and report all failed ones
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var merr *multierror.Error
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for idx, cloudEventDelivery := range tr.Status.CloudEvents {
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eventStatus := &(tr.Status.CloudEvents[idx].Status)
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// Skip events that have already been sent (successfully or unsuccessfully)
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// Ensure we try to send all events once (possibly through different reconcile calls)
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if eventStatus.Condition != v1alpha1.CloudEventConditionUnknown || eventStatus.RetryCount > 0 {
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continue
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}
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_, err := SendTaskRunCloudEvent(cloudEventDelivery.Target, tr, logger, ceclient)
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eventStatus.SentAt = &metav1.Time{Time: time.Now()}
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eventStatus.RetryCount++
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if err != nil {
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merr = multierror.Append(merr, err)
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eventStatus.Condition = v1alpha1.CloudEventConditionFailed
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eventStatus.Error = merr.Error()
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} else {
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logger.Infof("Sent event for target %s", cloudEventDelivery.Target)
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eventStatus.Condition = v1alpha1.CloudEventConditionSent
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}
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}
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if merr != nil && merr.Len() > 0 {
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logger.Errorf("Failed to send %d cloud events for TaskRun %s", merr.Len(), tr.Name)
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}
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return merr.ErrorOrNil()
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}
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