forked from rancher/rancher
/
pipeline.go
192 lines (167 loc) · 5.73 KB
/
pipeline.go
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package pipeline
import (
"context"
"github.com/rancher/rancher/pkg/controllers/user/pipeline/remote"
"github.com/rancher/rancher/pkg/controllers/user/pipeline/utils"
"github.com/rancher/rancher/pkg/ref"
"github.com/rancher/types/apis/management.cattle.io/v3"
"github.com/rancher/types/config"
"github.com/satori/uuid"
"github.com/sirupsen/logrus"
"time"
)
//Lifecycle is responsible for watching pipelines and handling webhook management
//in source code repository. It also helps to maintain labels on pipelines.
type Lifecycle struct {
clusterName string
pipelines v3.PipelineInterface
pipelineLister v3.PipelineLister
clusterPipelineLister v3.ClusterPipelineLister
sourceCodeCredentialLister v3.SourceCodeCredentialLister
}
func Register(ctx context.Context, cluster *config.UserContext) {
clusterName := cluster.ClusterName
clusterPipelineLister := cluster.Management.Management.ClusterPipelines("").Controller().Lister()
pipelines := cluster.Management.Management.Pipelines("")
pipelineLister := pipelines.Controller().Lister()
pipelineExecutions := cluster.Management.Management.PipelineExecutions("")
sourceCodeCredentialLister := cluster.Management.Management.SourceCodeCredentials("").Controller().Lister()
pipelineLifecycle := &Lifecycle{
clusterName: clusterName,
pipelines: pipelines,
pipelineLister: pipelineLister,
clusterPipelineLister: clusterPipelineLister,
sourceCodeCredentialLister: sourceCodeCredentialLister,
}
s := &CronSyncer{
clusterName: clusterName,
clusterPipelineLister: clusterPipelineLister,
pipelineLister: pipelineLister,
pipelines: pipelines,
pipelineExecutions: pipelineExecutions,
}
pipelines.AddClusterScopedLifecycle("pipeline-controller", cluster.ClusterName, pipelineLifecycle)
go s.sync(ctx, syncInterval)
}
func (l *Lifecycle) Create(obj *v3.Pipeline) (*v3.Pipeline, error) {
return l.sync(obj)
}
func (l *Lifecycle) Updated(obj *v3.Pipeline) (*v3.Pipeline, error) {
return l.sync(obj)
}
func (l *Lifecycle) Remove(obj *v3.Pipeline) (*v3.Pipeline, error) {
if obj.Status.WebHookID != "" {
if err := l.deleteHook(obj); err != nil {
//merely log error to avoid deletion block
logrus.Warnf("fail to delete previous set webhook for pipeline '%s' - %v", obj.Spec.DisplayName, err)
}
}
return obj, nil
}
func (l *Lifecycle) sync(obj *v3.Pipeline) (*v3.Pipeline, error) {
if obj.Status.Token == "" {
//random token for webhook validation
obj.Status.Token = uuid.NewV4().String()
}
//handle sourceCodeCredential info
if err := utils.ValidPipelineSpec(obj.Spec); err != nil {
return obj, err
}
sourceCodeCredentialID := obj.Spec.Stages[0].Steps[0].SourceCodeConfig.SourceCodeCredentialName
if sourceCodeCredentialID != "" {
ns, name := ref.Parse(sourceCodeCredentialID)
if obj.Status.SourceCodeCredential == nil ||
obj.Status.SourceCodeCredential.Namespace != ns ||
obj.Status.SourceCodeCredential.Name != name {
updatedCred, err := l.sourceCodeCredentialLister.Get(ns, name)
if err != nil {
return obj, err
}
updatedCred = updatedCred.DeepCopy()
updatedCred.Spec.AccessToken = ""
obj.Status.SourceCodeCredential = updatedCred
}
}
//handle cron
if obj.Spec.TriggerCronExpression == "" {
obj.Labels = map[string]string{utils.PipelineCronLabel: "false"}
if obj.Status.NextStart != "" {
obj.Status.NextStart = ""
}
} else {
obj.Labels = map[string]string{utils.PipelineCronLabel: "false"}
nextStart, err := getNextStartTime(obj.Spec.TriggerCronExpression, obj.Spec.TriggerCronTimezone, time.Now())
if err != nil {
return obj, err
}
obj.Status.NextStart = nextStart
}
//handle webhook
if obj.Status.WebHookID != "" && !hasWebhookTrigger(obj) {
if err := l.deleteHook(obj); err != nil {
logrus.Warnf("fail to delete previous set webhook for pipeline '%s' - %v", obj.Spec.DisplayName, err)
}
obj.Status.WebHookID = ""
} else if hasWebhookTrigger(obj) && obj.Status.WebHookID == "" {
id, err := l.createHook(obj)
if err != nil {
return obj, err
}
obj.Status.WebHookID = id
}
return obj, nil
}
func (l *Lifecycle) createHook(obj *v3.Pipeline) (string, error) {
if err := utils.ValidPipelineSpec(obj.Spec); err != nil {
return "", err
}
credentialID := obj.Spec.Stages[0].Steps[0].SourceCodeConfig.SourceCodeCredentialName
ns, name := ref.Parse(credentialID)
credential, err := l.sourceCodeCredentialLister.Get(ns, name)
if err != nil {
return "", err
}
accessToken := credential.Spec.AccessToken
kind := credential.Spec.SourceCodeType
clusterPipeline, err := l.clusterPipelineLister.Get(l.clusterName, l.clusterName)
if err != nil {
return "", err
}
remote, err := remote.New(*clusterPipeline, kind)
if err != nil {
return "", err
}
id, err := remote.CreateHook(obj, accessToken)
if err != nil {
return "", err
}
return id, nil
}
func (l *Lifecycle) deleteHook(obj *v3.Pipeline) error {
if err := utils.ValidPipelineSpec(obj.Spec); err != nil {
return err
}
credentialID := obj.Spec.Stages[0].Steps[0].SourceCodeConfig.SourceCodeCredentialName
ns, name := ref.Parse(credentialID)
credential, err := l.sourceCodeCredentialLister.Get(ns, name)
if err != nil {
return err
}
accessToken := credential.Spec.AccessToken
kind := credential.Spec.SourceCodeType
clusterPipeline, err := l.clusterPipelineLister.Get(l.clusterName, l.clusterName)
if err != nil {
return err
}
remote, err := remote.New(*clusterPipeline, kind)
if err != nil {
return err
}
return remote.DeleteHook(obj, accessToken)
}
func hasWebhookTrigger(obj *v3.Pipeline) bool {
if obj != nil && (obj.Spec.TriggerWebhookPr || obj.Spec.TriggerWebhookPush || obj.Spec.TriggerWebhookTag) {
return true
}
return false
}