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deployment.go
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deployment.go
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// Copyright 2017 The prometheus-operator 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 framework
import (
"fmt"
"time"
"github.com/pkg/errors"
appsv1 "k8s.io/api/apps/v1beta2"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/apimachinery/pkg/util/yaml"
"k8s.io/client-go/kubernetes"
)
func MakeDeployment(pathToYaml string) (*appsv1.Deployment, error) {
manifest, err := PathToOSFile(pathToYaml)
if err != nil {
return nil, err
}
tectonicPromOp := appsv1.Deployment{}
if err := yaml.NewYAMLOrJSONDecoder(manifest, 100).Decode(&tectonicPromOp); err != nil {
return nil, errors.Wrap(err, fmt.Sprintf("failed to decode file %s", pathToYaml))
}
return &tectonicPromOp, nil
}
func CreateDeployment(kubeClient kubernetes.Interface, namespace string, d *appsv1.Deployment) error {
d.Namespace = namespace
_, err := kubeClient.AppsV1beta2().Deployments(namespace).Create(d)
if err != nil {
return errors.Wrap(err, fmt.Sprintf("failed to create deployment %s", d.Name))
}
return nil
}
func DeleteDeployment(kubeClient kubernetes.Interface, namespace, name string) error {
d, err := kubeClient.AppsV1beta2().Deployments(namespace).Get(name, metav1.GetOptions{})
if err != nil {
return err
}
zero := int32(0)
d.Spec.Replicas = &zero
d, err = kubeClient.AppsV1beta2().Deployments(namespace).Update(d)
if err != nil {
return err
}
return kubeClient.AppsV1beta2().Deployments(namespace).Delete(d.Name, &metav1.DeleteOptions{})
}
func WaitUntilDeploymentGone(kubeClient kubernetes.Interface, namespace, name string, timeout time.Duration) error {
return wait.Poll(time.Second, timeout, func() (bool, error) {
_, err := kubeClient.
AppsV1beta2().Deployments(namespace).
Get(name, metav1.GetOptions{})
if err != nil {
if apierrors.IsNotFound(err) {
return true, nil
}
return false, err
}
return false, nil
})
}