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Merge pull request #35522 from kargakis/fix-rollback-rest

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Automatic merge from submit-queue

registry: make rollback rest speak only api errors

Fixes https://github.com/kubernetes/kubernetes/issues/31738

@kubernetes/deployment ptal
This commit is contained in:
Kubernetes Submit Queue
2016-11-05 22:12:32 -07:00
committed by GitHub
parent 2c50d2b6fc eed38ca1d1
commit 1e9635fb51
2 changed files with 20 additions and 9 deletions
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1
pkg/registry/extensions/deployment/etcd/BUILD
View File

@@ -19,6 +19,7 @@ go_library(
"//pkg/api/errors:go_default_library",
"//pkg/api/errors/storage:go_default_library",
"//pkg/api/rest:go_default_library",
"//pkg/api/unversioned:go_default_library",
"//pkg/apis/extensions:go_default_library",
"//pkg/apis/extensions/validation:go_default_library",
"//pkg/registry/cachesize:go_default_library",

28
pkg/registry/extensions/deployment/etcd/etcd.go
View File

@@ -18,11 +18,13 @@ package etcd
import (
"fmt"
"net/http"
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/errors"
storeerr "k8s.io/kubernetes/pkg/api/errors/storage"
"k8s.io/kubernetes/pkg/api/rest"
"k8s.io/kubernetes/pkg/api/unversioned"
"k8s.io/kubernetes/pkg/apis/extensions"
extvalidation "k8s.io/kubernetes/pkg/apis/extensions/validation"
"k8s.io/kubernetes/pkg/registry/cachesize"
@@ -142,10 +144,10 @@ func (r *RollbackREST) New() runtime.Object {
var _ = rest.Creater(&RollbackREST{})
func (r *RollbackREST) Create(ctx api.Context, obj runtime.Object) (out runtime.Object, err error) {
func (r *RollbackREST) Create(ctx api.Context, obj runtime.Object) (runtime.Object, error) {
rollback, ok := obj.(*extensions.DeploymentRollback)
if !ok {
return nil, fmt.Errorf("expected input object type to be DeploymentRollback, but %T", obj)
return nil, errors.NewBadRequest(fmt.Sprintf("not a DeploymentRollback: %#v", obj))
}
if errs := extvalidation.ValidateDeploymentRollback(rollback); len(errs) != 0 {
@@ -153,26 +155,34 @@ func (r *RollbackREST) Create(ctx api.Context, obj runtime.Object) (out runtime.
}
// Update the Deployment with information in DeploymentRollback to trigger rollback
err = r.rollbackDeployment(ctx, rollback.Name, &rollback.RollbackTo, rollback.UpdatedAnnotations)
return
err := r.rollbackDeployment(ctx, rollback.Name, &rollback.RollbackTo, rollback.UpdatedAnnotations)
if err != nil {
return nil, err
}
return &unversioned.Status{
Message: fmt.Sprintf("rollback request for deployment %q succeeded", rollback.Name),
Code: http.StatusOK,
}, nil
}
func (r *RollbackREST) rollbackDeployment(ctx api.Context, deploymentID string, config *extensions.RollbackConfig, annotations map[string]string) (err error) {
if _, err = r.setDeploymentRollback(ctx, deploymentID, config, annotations); err != nil {
func (r *RollbackREST) rollbackDeployment(ctx api.Context, deploymentID string, config *extensions.RollbackConfig, annotations map[string]string) error {
if _, err := r.setDeploymentRollback(ctx, deploymentID, config, annotations); err != nil {
err = storeerr.InterpretGetError(err, extensions.Resource("deployments"), deploymentID)
err = storeerr.InterpretUpdateError(err, extensions.Resource("deployments"), deploymentID)
if _, ok := err.(*errors.StatusError); !ok {
err = errors.NewConflict(extensions.Resource("deployments/rollback"), deploymentID, err)
err = errors.NewInternalError(err)
}
return err
}
return
return nil
}
func (r *RollbackREST) setDeploymentRollback(ctx api.Context, deploymentID string, config *extensions.RollbackConfig, annotations map[string]string) (finalDeployment *extensions.Deployment, err error) {
func (r *RollbackREST) setDeploymentRollback(ctx api.Context, deploymentID string, config *extensions.RollbackConfig, annotations map[string]string) (*extensions.Deployment, error) {
dKey, err := r.store.KeyFunc(ctx, deploymentID)
if err != nil {
return nil, err
}
var finalDeployment *extensions.Deployment
err = r.store.Storage.GuaranteedUpdate(ctx, dKey, &extensions.Deployment{}, false, nil, storage.SimpleUpdate(func(obj runtime.Object) (runtime.Object, error) {
d, ok := obj.(*extensions.Deployment)
if !ok {