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https://github.com/woodpecker-ci/woodpecker.git
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01a955ed0e
Kubernetes backend refactoring and tests --------- Co-authored-by: 6543 <6543@obermui.de>
102 lines
2.9 KiB
Go
102 lines
2.9 KiB
Go
// Copyright 2022 Woodpecker Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package kubernetes
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import (
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"context"
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"strings"
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"github.com/rs/zerolog/log"
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/errors"
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"k8s.io/apimachinery/pkg/api/resource"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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func mkPersistentVolumeClaim(namespace, name, storageClass, size string, storageRwx bool) (*v1.PersistentVolumeClaim, error) {
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_storageClass := &storageClass
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if storageClass == "" {
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_storageClass = nil
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}
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var accessMode v1.PersistentVolumeAccessMode
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if storageRwx {
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accessMode = v1.ReadWriteMany
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} else {
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accessMode = v1.ReadWriteOnce
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}
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volumeName, err := volumeName(name)
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if err != nil {
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return nil, err
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}
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pvc := &v1.PersistentVolumeClaim{
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ObjectMeta: metav1.ObjectMeta{
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Name: volumeName,
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Namespace: namespace,
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},
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Spec: v1.PersistentVolumeClaimSpec{
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AccessModes: []v1.PersistentVolumeAccessMode{accessMode},
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StorageClassName: _storageClass,
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Resources: v1.VolumeResourceRequirements{
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Requests: v1.ResourceList{
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v1.ResourceStorage: resource.MustParse(size),
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},
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},
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},
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}
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return pvc, nil
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}
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func volumeName(name string) (string, error) {
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return dnsName(strings.Split(name, ":")[0])
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}
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func volumeMountPath(name string) string {
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s := strings.Split(name, ":")
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if len(s) > 1 {
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return s[1]
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}
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return s[0]
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}
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func startVolume(ctx context.Context, engine *kube, name string) (*v1.PersistentVolumeClaim, error) {
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pvc, err := mkPersistentVolumeClaim(engine.config.Namespace, name, engine.config.StorageClass, engine.config.VolumeSize, engine.config.StorageRwx)
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if err != nil {
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return nil, err
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}
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log.Trace().Msgf("Creating volume: %s", pvc.Name)
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return engine.client.CoreV1().PersistentVolumeClaims(engine.config.Namespace).Create(ctx, pvc, metav1.CreateOptions{})
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}
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func stopVolume(ctx context.Context, engine *kube, name string, deleteOpts metav1.DeleteOptions) error {
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pvcName, err := volumeName(name)
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if err != nil {
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return err
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}
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log.Trace().Str("name", pvcName).Msg("Deleting volume")
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err = engine.client.CoreV1().PersistentVolumeClaims(engine.config.Namespace).Delete(ctx, pvcName, deleteOpts)
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if errors.IsNotFound(err) {
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// Don't abort on 404 errors from k8s, they most likely mean that the pod hasn't been created yet, usually because pipeline was canceled before running all steps.
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log.Trace().Err(err).Msgf("Unable to delete service %s", pvcName)
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return nil
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}
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return err
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}
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