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perf: Add workflow template informer to server (#13672)
Signed-off-by: Jakub Buczak <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| package clusterworkflowtemplate | ||
|
|
||
| import ( | ||
| "context" | ||
| "time" | ||
|
|
||
| log "github.com/sirupsen/logrus" | ||
|
|
||
| "k8s.io/client-go/dynamic" | ||
| "k8s.io/client-go/rest" | ||
| "k8s.io/client-go/tools/cache" | ||
|
|
||
| wfextvv1alpha1 "github.com/argoproj/argo-workflows/v3/pkg/client/informers/externalversions/workflow/v1alpha1" | ||
| "github.com/argoproj/argo-workflows/v3/server/types" | ||
| "github.com/argoproj/argo-workflows/v3/workflow/controller/informer" | ||
| "github.com/argoproj/argo-workflows/v3/workflow/templateresolution" | ||
| ) | ||
|
|
||
| const ( | ||
| workflowTemplateResyncPeriod = 20 * time.Minute | ||
| ) | ||
|
|
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| var _ types.ClusterWorkflowTemplateStore = &Informer{} | ||
|
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| type Informer struct { | ||
| informer wfextvv1alpha1.ClusterWorkflowTemplateInformer | ||
| } | ||
|
|
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| func NewInformer(restConfig *rest.Config) (*Informer, error) { | ||
| dynamicInterface, err := dynamic.NewForConfig(restConfig) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| informer := informer.NewTolerantClusterWorkflowTemplateInformer( | ||
| dynamicInterface, | ||
| workflowTemplateResyncPeriod, | ||
| ) | ||
| return &Informer{ | ||
| informer: informer, | ||
| }, nil | ||
| } | ||
|
|
||
| // Start informer in separate go-routine and block until cache sync | ||
| func (cwti *Informer) Run(stopCh <-chan struct{}) { | ||
|
|
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| go cwti.informer.Informer().Run(stopCh) | ||
|
|
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| if !cache.WaitForCacheSync( | ||
| stopCh, | ||
| cwti.informer.Informer().HasSynced, | ||
| ) { | ||
| log.Fatal("Timed out waiting for caches to sync") | ||
| } | ||
| } | ||
|
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| // if namespace contains empty string Lister will use the namespace provided during initialization | ||
| func (cwti *Informer) Getter(_ context.Context) templateresolution.ClusterWorkflowTemplateGetter { | ||
| if cwti.informer == nil { | ||
| log.Fatal("Template informer not started") | ||
| } | ||
| return cwti.informer.Lister() | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| package clusterworkflowtemplate | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
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| "github.com/argoproj/argo-workflows/v3/server/auth" | ||
| "github.com/argoproj/argo-workflows/v3/workflow/templateresolution" | ||
| ) | ||
|
|
||
| // Store is a wrapper around informer | ||
| type ClusterWorkflowTemplateClientStore struct { | ||
| } | ||
|
|
||
| func NewClusterWorkflowTemplateClientStore() *ClusterWorkflowTemplateClientStore { | ||
| return &ClusterWorkflowTemplateClientStore{} | ||
| } | ||
|
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| func (wcs *ClusterWorkflowTemplateClientStore) Getter(ctx context.Context) templateresolution.ClusterWorkflowTemplateGetter { | ||
| wfClient := auth.GetWfClient(ctx) | ||
| return templateresolution.WrapClusterWorkflowTemplateInterface(wfClient.ArgoprojV1alpha1().ClusterWorkflowTemplates()) | ||
| } |
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