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Code Issues Releases Activity

Kubernetes refactor (#2794)

Browse Source 
Kubernetes backend refactoring and tests

---------
Co-authored-by: 6543 <6543@obermui.de>
This commit is contained in:
Thomas Anderson
2023-12-19 06:53:52 +03:00
committed by GitHub
parent ed4cd1044c
commit 01a955ed0e
10 changed files with 719 additions and 268 deletions
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45
pipeline/backend/kubernetes/volume.go
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@@ -15,14 +15,17 @@
package kubernetes
import (
"context"
"strings"
"github.com/rs/zerolog/log"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
func PersistentVolumeClaim(namespace, name, storageClass, size string, storageRwx bool) (*v1.PersistentVolumeClaim, error) {
func mkPersistentVolumeClaim(namespace, name, storageClass, size string, storageRwx bool) (*v1.PersistentVolumeClaim, error) {
_storageClass := &storageClass
if storageClass == "" {
_storageClass = nil
@@ -36,7 +39,7 @@ func PersistentVolumeClaim(namespace, name, storageClass, size string, storageRw
accessMode = v1.ReadWriteOnce
}
volumeName, err := dnsName(strings.Split(name, ":")[0])
volumeName, err := volumeName(name)
if err != nil {
return nil, err
}
@@ -59,3 +62,41 @@ func PersistentVolumeClaim(namespace, name, storageClass, size string, storageRw
return pvc, nil
}
func volumeName(name string) (string, error) {
return dnsName(strings.Split(name, ":")[0])
}
func volumeMountPath(name string) string {
s := strings.Split(name, ":")
if len(s) > 1 {
return s[1]
}
return s[0]
}
func startVolume(ctx context.Context, engine *kube, name string) (*v1.PersistentVolumeClaim, error) {
pvc, err := mkPersistentVolumeClaim(engine.config.Namespace, name, engine.config.StorageClass, engine.config.VolumeSize, engine.config.StorageRwx)
if err != nil {
return nil, err
}
log.Trace().Msgf("Creating volume: %s", pvc.Name)
return engine.client.CoreV1().PersistentVolumeClaims(engine.config.Namespace).Create(ctx, pvc, metav1.CreateOptions{})
}
func stopVolume(ctx context.Context, engine *kube, name string, deleteOpts metav1.DeleteOptions) error {
pvcName, err := volumeName(name)
if err != nil {
return err
}
log.Trace().Str("name", pvcName).Msg("Deleting volume")
err = engine.client.CoreV1().PersistentVolumeClaims(engine.config.Namespace).Delete(ctx, pvcName, deleteOpts)
if errors.IsNotFound(err) {
// 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.
log.Trace().Err(err).Msgf("Unable to delete service %s", pvcName)
return nil
}
return err
}