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Feat: add recycle grouped workflow run with cron
Signed-off-by: FogDong <dongtianxin.tx@alibaba-inc.com>
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Original file line number | Diff line number | Diff line change |
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/* | ||
Copyright 2023 The KubeVela Authors. | ||
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 utils | ||
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import ( | ||
"context" | ||
"sort" | ||
"time" | ||
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"github.com/kubevela/workflow/api/v1alpha1" | ||
"github.com/robfig/cron/v3" | ||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
"k8s.io/apimachinery/pkg/util/wait" | ||
"k8s.io/client-go/util/retry" | ||
"k8s.io/klog/v2" | ||
"sigs.k8s.io/controller-runtime/pkg/client" | ||
"sigs.k8s.io/controller-runtime/pkg/manager" | ||
) | ||
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// recycleCronJob is the cron job to clean the completed workflow | ||
type recycleCronJob struct { | ||
cli client.Client | ||
duration time.Duration | ||
cron string | ||
label string | ||
} | ||
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// NewRecycleCronJob returns a new recycleCronJob | ||
func NewRecycleCronJob(cli client.Client, duration time.Duration, cron, label string) manager.Runnable { | ||
return &recycleCronJob{ | ||
cli: cli, | ||
duration: duration, | ||
label: label, | ||
cron: cron, | ||
} | ||
} | ||
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func (r *recycleCronJob) Start(ctx context.Context) error { | ||
c, err := r.start(ctx) | ||
if err != nil { | ||
return err | ||
} | ||
defer c.Stop() | ||
<-ctx.Done() | ||
return nil | ||
} | ||
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func (r *recycleCronJob) start(ctx context.Context) (*cron.Cron, error) { | ||
c := cron.New(cron.WithChain( | ||
cron.Recover(cron.DefaultLogger), | ||
)) | ||
if _, err := c.AddFunc(r.cron, func() { | ||
err := retry.OnError(wait.Backoff{ | ||
Steps: 3, | ||
Duration: 1 * time.Minute, | ||
Factor: 5.0, | ||
Jitter: 0.1, | ||
}, func(err error) bool { | ||
// always retry | ||
return true | ||
}, func() error { | ||
if err := r.run(ctx); err != nil { | ||
klog.Errorf("Failed to recycle workflow run: %v", err) | ||
return err | ||
} | ||
klog.Info("Recycle workflow run successfully") | ||
return nil | ||
}) | ||
if err != nil { | ||
klog.Errorf("Failed to recycle workflow runs after 3 tries: %v", err) | ||
} | ||
}); err != nil { | ||
return nil, err | ||
} | ||
c.Start() | ||
return c, nil | ||
} | ||
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func (r *recycleCronJob) run(ctx context.Context) error { | ||
runs := &v1alpha1.WorkflowRunList{} | ||
selector, err := metav1.LabelSelectorAsSelector(&metav1.LabelSelector{ | ||
MatchExpressions: []metav1.LabelSelectorRequirement{{Key: r.label, Operator: metav1.LabelSelectorOpExists}}}) | ||
if err != nil { | ||
return err | ||
} | ||
listOpt := &client.ListOptions{LabelSelector: selector} | ||
if err := r.cli.List(ctx, runs, listOpt); err != nil { | ||
return err | ||
} | ||
sort.Sort(runs) | ||
items := make(map[string][]v1alpha1.WorkflowRun) | ||
for _, item := range runs.Items { | ||
if v, ok := item.Labels[r.label]; ok { | ||
items[v] = append(items[v], item) | ||
} | ||
} | ||
for _, l := range items { | ||
for i := 1; i < len(l); i++ { | ||
item := l[i] | ||
if item.Status.Finished && time.Since(item.Status.EndTime.Time) > r.duration { | ||
if err := r.cli.Delete(ctx, &item); err != nil { | ||
klog.Errorf("Failed to delete workflowRun %s/%s, error: %v", item.Namespace, item.Name, err) | ||
} | ||
klog.Info("Successfully recycled completed workflowRun %s/%s", item.Namespace, item.Name) | ||
} | ||
} | ||
} | ||
return nil | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,63 @@ | ||
/* | ||
Copyright 2023 The KubeVela Authors. | ||
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. | ||
*/ | ||
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package utils | ||
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import ( | ||
"context" | ||
"fmt" | ||
"testing" | ||
"time" | ||
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"github.com/stretchr/testify/require" | ||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
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"github.com/kubevela/workflow/api/v1alpha1" | ||
) | ||
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func TestRecycleCronJob(t *testing.T) { | ||
ctx, cancel := context.WithTimeout(context.Background(), time.Second) | ||
defer cancel() | ||
r := require.New(t) | ||
for i := 1; i < 7; i++ { | ||
run := &v1alpha1.WorkflowRun{ | ||
ObjectMeta: metav1.ObjectMeta{ | ||
Name: fmt.Sprintf("workflow-test-%d", i), | ||
Namespace: "default", | ||
}, | ||
} | ||
if i%5 != 0 { | ||
run.Labels = map[string]string{ | ||
"pipeline.oam.dev/name": "test", | ||
} | ||
} | ||
err := cli.Create(ctx, run) | ||
r.NoError(err) | ||
run.Status.Finished = i%6 != 0 | ||
run.Status.EndTime = metav1.Time{Time: time.Now().AddDate(0, 0, -i)} | ||
err = cli.Status().Update(ctx, run) | ||
r.NoError(err) | ||
defer cli.Delete(ctx, run) | ||
} | ||
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runner := NewRecycleCronJob(cli, time.Hour, "@every 1s", "pipeline.oam.dev/name") | ||
err := runner.Start(ctx) | ||
r.NoError(err) | ||
runs := &v1alpha1.WorkflowRunList{} | ||
err = cli.List(ctx, runs) | ||
r.NoError(err) | ||
r.Equal(3, len(runs.Items)) | ||
} |