Add/update/delete PrometheusRemoteEndpoint CR

[demo.git] / vnfs / DAaaS / microservices / remote-config-operator / pkg / controller / utils / remoteconfigutils.go

diff --git a/vnfs/DAaaS/microservices/remote-config-operator/pkg/controller/utils/remoteconfigutils.go b/vnfs/DAaaS/microservices/remote-config-operator/pkg/controller/utils/remoteconfigutils.go
new file mode 100644 (file)
index 0000000..8508a8e
--- /dev/null
+++ b/vnfs/DAaaS/microservices/remote-config-operator/pkg/controller/utils/remoteconfigutils.go
@@ -0,0 +1,77 @@
+/*
+Copyright 2019 Intel Corporation.
+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 utils
+
+import (
+       "context"
+       "fmt"
+       "os"
+       onapv1alpha1 "remote-config-operator/pkg/apis/onap/v1alpha1"
+       "sigs.k8s.io/controller-runtime/pkg/client"
+)
+
+const (
+       defaultWatchLabel     = "remote=m3db1"
+       WatchLabelsEnvVar     = "WATCH_LABELS"
+       RemoteConfigFinalizer = "finalizer.remoteConfig.onap.org"
+)
+
+// GetWatchLabels returns the labels the operator should be watching for changes
+func GetWatchLabels() (string, error) {
+       labelSelector, found := os.LookupEnv(WatchLabelsEnvVar)
+       if !found {
+               return defaultWatchLabel, fmt.Errorf("%s must be set", WatchLabelsEnvVar)
+       }
+       return labelSelector, nil
+}
+
+// GetPrometheusRemoteEndpoint returns the prometheusRemoteEndpoint instance in the namespace ns
+func GetPrometheusRemoteEndpoint(rc client.Client, ns string) (*onapv1alpha1.PrometheusRemoteEndpoint, error) {
+       // Get the PrometheusRemoteEndpoint instance in current namespace to rebuild conf.
+       preList := &onapv1alpha1.PrometheusRemoteEndpointList{}
+       preOpts := []client.ListOption{
+               client.InNamespace("edge1"),
+               client.MatchingLabels{"remote": "m3db1"},
+       }
+
+       err := rc.List(context.TODO(), preList, preOpts...)
+       if err != nil {
+               return nil, err
+       }
+       if preList.Items == nil || len(preList.Items) == 0 {
+               return nil, err
+       }
+       prometheusRemoteEndpoint := &preList.Items[0]
+       return prometheusRemoteEndpoint, nil
+}
+
+// Contains checks if a string is contained in a list of strings
+func Contains(list []string, s string) bool {
+       for _, v := range list {
+               if v == s {
+                       return true
+               }
+       }
+       return false
+}
+
+// Remove checks and removes a string from a list of strings
+func Remove(list []string, s string) []string {
+       for i, v := range list {
+               if v == s {
+                       list = append(list[:i], list[i+1:]...)
+               }
+       }
+       return list
+}