Merge pull request #113 from rajaSahil/Add-Service

fix(helm): Pass listen-address flag through arguments and install service.

Author: Vishnu Attur

.github/workflows/chart-lint-test.yml

@@ -45,7 +45,7 @@ jobs:
         run: ct lint --config ct.yaml
 
       - name: Create kind cluster
-        uses: helm/kind-action@v1.1.0
+        uses: helm/kind-action@v1.2.0
         if: steps.list-changed.outputs.changed == 'true'
         with:
           config: buildscripts/kind_config.yaml

deploy/helm/charts/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 name: lvm-localpv
 description: CSI Driver for dynamic provisioning of LVM Persistent Local Volumes.
-version: 0.6.1
+version: 0.6.2
 appVersion: 0.6.0
 icon: https://raw.githubusercontent.com/cncf/artwork/master/projects/openebs/icon/color/openebs-icon-color.png
 home: http://www.openebs.io/

deploy/helm/charts/README.md

@@ -79,6 +79,7 @@ The following table lists the configurable parameters of the OpenEBS LVM Localpv
 | `lvmPlugin.image.repository`| Image repository for openebs-lvm-plugin| `openebs/lvm-driver`|
 | `lvmPlugin.image.pullPolicy`| Image pull policy for openebs-lvm-plugin| `IfNotPresent`|
 | `lvmPlugin.image.tag`| Image tag for openebs-lvm-plugin| `0.6.0`|
+| `lvmPlugin.metricsPort`| The TCP port number used for exposing lvm-metrics | `9500`|
 | `lvmNode.driverRegistrar.image.registry`| Registry for csi-node-driver-registrar image| `k8s.gcr.io/`|
 | `lvmNode.driverRegistrar.image.repository`| Image repository for csi-node-driver-registrar| `sig-storage/csi-node-driver-registrar`|
 | `lvmNode.driverRegistrar.image.pullPolicy`| Image pull policy for csi-node-driver-registrar| `IfNotPresent`|

deploy/helm/charts/templates/lvm-node-service.yaml

@@ -0,0 +1,18 @@
+{{- if .Values.lvmPlugin.metricsPort }}
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ template "lvmlocalpv.fullname" . }}-node-service
+  labels:
+    {{- include "lvmlocalpv.lvmNode.labels" . | nindent 4 }}
+spec:
+  clusterIP: None
+  ports:
+    - name: metrics
+      port: {{ .Values.lvmPlugin.metricsPort }}
+      targetPort: {{ .Values.lvmPlugin.metricsPort }}
+  selector:
+    {{- with .Values.lvmNode.podLabels }}
+    {{ toYaml . }}
+    {{- end }}
+{{- end }}

deploy/helm/charts/templates/lvm-node.yaml

@@ -75,6 +75,9 @@ spec:
             - "--riops-per-gb=$(RIOPS_PER_GB)"
             - "--wiops-per-gb=$(WIOPS_PER_GB)"
             {{- end }}
+            {{- if .Values.lvmPlugin.metricsPort }}
+            - "--listen-address=$(METRICS_LISTEN_ADDRESS)"
+            {{- end }}
           env:
             - name: OPENEBS_NODE_ID
               valueFrom:
@@ -96,6 +99,10 @@ spec:
             - name: WIOPS_PER_GB
               value: {{ .Values.lvmPlugin.ioLimits.writeIopsPerGB }}
             {{- end }}
+            {{- if .Values.lvmPlugin.metricsPort }}
+            - name: METRICS_LISTEN_ADDRESS
+              value: :{{ .Values.lvmPlugin.metricsPort }}
+            {{- end }}
           volumeMounts:
             - name: plugin-dir
               mountPath: /plugin

deploy/helm/charts/values.yaml

@@ -132,6 +132,9 @@ lvmPlugin:
     containerRuntime: containerd
     readIopsPerGB: ""
     writeIopsPerGB: ""
+  # The TCP port number used for exposing lvm-metrics.
+  # If not set, service will not be created to expose metrics endpoint to serviceMonitor and listen-address flag will not be set.
+  metricsPort: 9500
 
 role: openebs-lvm
 

deploy/lvm-operator.yaml

@@ -1357,6 +1357,7 @@ spec:
             - "--nodeid=$(OPENEBS_NODE_ID)"
             - "--endpoint=$(OPENEBS_CSI_ENDPOINT)"
             - "--plugin=$(OPENEBS_NODE_DRIVER)"
+            - "--listen-address=$(METRICS_LISTEN_ADDRESS)"
           env:
             - name: OPENEBS_NODE_ID
               valueFrom:
@@ -1368,6 +1369,8 @@ spec:
               value: agent
             - name: LVM_NAMESPACE
               value: openebs
+            - name: METRICS_LISTEN_ADDRESS
+              value: :9500
           volumeMounts:
             - name: plugin-dir
               mountPath: /plugin
@@ -1396,3 +1399,18 @@ spec:
             path: /var/lib/kubelet/
             type: Directory
 ---
+
+apiVersion: v1
+kind: Service
+metadata:
+  name: openebs-lvm-node-service
+  labels:
+    name: openebs-lvm-node
+spec:
+  clusterIP: None
+  ports:
+    - name: metrics
+      port: 9500
+      targetPort: 9500
+  selector:
+    app: openebs-lvm-node

deploy/yamls/lvm-driver.yaml

@@ -988,6 +988,7 @@ spec:
             - "--nodeid=$(OPENEBS_NODE_ID)"
             - "--endpoint=$(OPENEBS_CSI_ENDPOINT)"
             - "--plugin=$(OPENEBS_NODE_DRIVER)"
+            - "--listen-address=$(METRICS_LISTEN_ADDRESS)"
           env:
             - name: OPENEBS_NODE_ID
               valueFrom:
@@ -999,6 +1000,8 @@ spec:
               value: agent
             - name: LVM_NAMESPACE
               value: openebs
+            - name: METRICS_LISTEN_ADDRESS
+              value: :9500
           volumeMounts:
             - name: plugin-dir
               mountPath: /plugin
@@ -1027,3 +1030,18 @@ spec:
             path: /var/lib/kubelet/
             type: Directory
 ---
+
+apiVersion: v1
+kind: Service
+metadata:
+  name: openebs-lvm-node-service
+  labels:
+    name: openebs-lvm-node
+spec:
+  clusterIP: None
+  ports:
+    - name: metrics
+      port: 9500
+      targetPort: 9500
+  selector:
+    app: openebs-lvm-node