[CDS] Prometheus metrics for command-executor

helm chart changes to enable the collection of metrics

Issue-ID: OOM-2815
Signed-off-by: kuldipr <kuldip.rai@amdocs.com>
Change-Id: I25a45d45d39a9ce7309f0f37ad277a41538a8c43

4 files changed, 53 insertions, 0 deletions

diff --git a/kubernetes/cds/components/cds-command-executor/templates/deployment.yaml b/kubernetes/cds/components/cds-command-executor/templates/deployment.yaml
index 523339ca70..3ce24e2e84 100755
--- a/kubernetes/cds/components/cds-command-executor/templates/deployment.yaml
+++ b/kubernetes/cds/components/cds-command-executor/templates/deployment.yaml
@@ -47,6 +47,12 @@ spec:
             fieldRef:
               apiVersion: v1
               fieldPath: metadata.namespace
+        {{- if .Values.metrics.serviceMonitor.enabled }}
+        - name: PROMETHEUS_METRICS_ENABLED
+          value: {{ .Values.metrics.serviceMonitor.enabled | quote }}
+        - name: PROMETHEUS_PORT
+          value: {{ .Values.service.metrics.internalPort | quote }}
+        {{ end }}
         image: {{ include "repositoryGenerator.image.readiness" . }}
         imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
         name: {{ include "common.name" . }}-readiness
diff --git a/kubernetes/cds/components/cds-command-executor/templates/service.yaml b/kubernetes/cds/components/cds-command-executor/templates/service.yaml
index 2301902f56..7540728ee9 100755
--- a/kubernetes/cds/components/cds-command-executor/templates/service.yaml
+++ b/kubernetes/cds/components/cds-command-executor/templates/service.yaml
@@ -34,6 +34,14 @@ spec:
       nodePort: {{ .Values.global.nodePortPrefix | default .Values.nodePortPrefix }}{{ .Values.service.nodePort }}
       {{- end}}
       name: {{ .Values.service.grpc.portName | default "grpc" }}
+    {{- if .Values.metrics.serviceMonitor.enabled }}
+    - port: {{ .Values.service.metrics.externalPort }}
+      targetPort: {{ .Values.service.metrics.internalPort }}
+      {{- if eq .Values.service.type "NodePort"}}
+      nodePort: {{ .Values.global.nodePortPrefix | default .Values.nodePortPrefix }}{{ .Values.service.nodePort }}
+      {{- end}}
+      name: {{ .Values.service.metrics.portName | default "metrics" }}
+    {{- end}}
   selector:
     app: {{ include "common.name" . }}
     release: {{ include "common.release" . }}
\ No newline at end of file
diff --git a/kubernetes/cds/components/cds-command-executor/templates/servicemonitor.yaml b/kubernetes/cds/components/cds-command-executor/templates/servicemonitor.yaml
new file mode 100644
index 0000000000..101b24a8a2
--- /dev/null
+++ b/kubernetes/cds/components/cds-command-executor/templates/servicemonitor.yaml
@@ -0,0 +1,19 @@
+{{/*
+# Copyright © 2021 Bitnami, Orange, Bell Canada
+#
+# 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.
+*/}}
+
+{{- if .Values.metrics.serviceMonitor.enabled }}
+{{  include "common.serviceMonitor" . }}
+{{- end }}
\ No newline at end of file
diff --git a/kubernetes/cds/components/cds-command-executor/values.yaml b/kubernetes/cds/components/cds-command-executor/values.yaml
index cb3668656a..b10fa2754b 100755
--- a/kubernetes/cds/components/cds-command-executor/values.yaml
+++ b/kubernetes/cds/components/cds-command-executor/values.yaml
@@ -66,6 +66,10 @@ service:
     portName: command-executor-grpc
     internalPort: 50051
     externalPort: 50051
+  metrics:
+    portName: command-executor-metrics
+    internalPort: 10005
+    externalPort: 10005
 
 persistence:
   enabled: true
@@ -97,3 +101,19 @@ serviceAccount:
   nameOverride: cds-command-executor
   roles:
     - read
+
+metrics:
+  serviceMonitor:
+    enabled: false
+    port: command-executor-metrics
+    path: /actuator/prometheus
+    basicAuth:
+      enabled: false
+      externalSecretName: mysecretname
+      externalSecretUserKey: login
+      externalSecretPasswordKey: password
+    selector:
+      app: '{{ include "common.name" . }}'
+      chart: '{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}'
+      release: '{{ .Release.Name }}'
+      heritage: '{{ .Release.Service }}'