containerized-data-importer/pkg/operator/controller/util.go
Michael Henriksen 24741566f3 route creation
2019-08-06 16:35:53 -04:00

102 lines
2.8 KiB
Go

/*
Copyright 2018 The CDI 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 controller
import (
"encoding/json"
"os"
"strings"
"github.com/appscode/jsonpatch"
"github.com/go-logr/logr"
appsv1 "k8s.io/api/apps/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
)
func mergeLabelsAndAnnotations(src, dest metav1.Object) {
// allow users to add labels but not change ours
for k, v := range src.GetLabels() {
if dest.GetLabels() == nil {
dest.SetLabels(map[string]string{})
}
dest.GetLabels()[k] = v
}
// same for annotations
for k, v := range src.GetAnnotations() {
if dest.GetAnnotations() == nil {
dest.SetAnnotations(map[string]string{})
}
dest.GetAnnotations()[k] = v
}
}
func mergeObject(desiredObj, currentObj runtime.Object) (runtime.Object, error) {
// copy labels/annotations that may have been merged above
desiredRuntimeObjCopy := desiredObj.DeepCopyObject()
currentRuntimeObjCopy := currentObj.DeepCopyObject()
desiredMetaObjCopy := desiredRuntimeObjCopy.(metav1.Object)
currentMetaObjCopy := currentRuntimeObjCopy.(metav1.Object)
desiredMetaObjCopy.SetLabels(currentMetaObjCopy.GetLabels())
desiredMetaObjCopy.SetAnnotations(currentMetaObjCopy.GetAnnotations())
// for some reason, null creationTimestamp gets encoded
desiredMetaObjCopy.SetCreationTimestamp(currentMetaObjCopy.GetCreationTimestamp())
desiredBytes, err := json.Marshal(desiredRuntimeObjCopy)
if err != nil {
return nil, err
}
if err = json.Unmarshal(desiredBytes, currentRuntimeObjCopy); err != nil {
return nil, err
}
return currentRuntimeObjCopy, nil
}
func deployClusterResources() bool {
return strings.ToLower(os.Getenv("DEPLOY_CLUSTER_RESOURCES")) != "false"
}
func logJSONDiff(logger logr.Logger, objA, objB interface{}) {
aBytes, _ := json.Marshal(objA)
bBytes, _ := json.Marshal(objB)
patches, _ := jsonpatch.CreatePatch(aBytes, bBytes)
pBytes, _ := json.Marshal(patches)
logger.Info("DIFF", "obj", objA, "patch", string(pBytes))
}
func checkDeploymentReady(deployment *appsv1.Deployment) bool {
desiredReplicas := deployment.Spec.Replicas
if desiredReplicas == nil {
desiredReplicas = &[]int32{1}[0]
}
if *desiredReplicas != deployment.Status.Replicas ||
deployment.Status.Replicas != deployment.Status.ReadyReplicas {
return false
}
return true
}