HDDS-11966. Add recon support

charts/ozone/templates/NOTES.txt

@@ -45,3 +45,10 @@ Datanode
 S3 Gateway
  To access S3 Gateway from a local environment, use the following command and specify localhost:{{ .Values.s3g.service.port }} as S3 endpoint
  $ kubectl port-forward svc/{{ .Release.Name }}-s3g {{ .Values.s3g.service.port }}:{{ .Values.s3g.service.port }}
+
+{{- if .Values.recon.enabled }}
+
+Recon
+ To access Recon from a local environment, use the following command and specify localhost:{{ .Values.recon.service.port }} as Recon endpoint
+ $ kubectl port-forward svc/{{ .Release.Name }}-recon {{ .Values.recon.service.port }}:{{ .Values.recon.service.port }}
+{{- end }}

charts/ozone/templates/_helpers.tpl

@@ -73,4 +73,8 @@ app.kubernetes.io/instance: {{ .Release.Name }}
   value: "1"
 - name: OZONE-SITE.XML_dfs.datanode.use.datanode.hostname
   value: "true"
+{{- if .Values.recon.enabled }}
+- name: OZONE-SITE.XML_ozone.recon.address
+  value: "{{- printf "%s-recon.%s.svc.cluster.local" $.Release.Name $.Release.Namespace }}:9891"
+{{- end }}
 {{- end }}

charts/ozone/templates/recon/recon-deployment.yaml

@@ -0,0 +1,100 @@
+{{/*
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements.  See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership.  The ASF licenses this file
+  to you 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.recon.enabled }}
+{{- $env := concat .Values.env .Values.recon.env }}
+{{- $envFrom := concat .Values.envFrom .Values.recon.envFrom }}
+{{- $nodeSelector := or .Values.recon.nodeSelector .Values.nodeSelector }}
+{{- $affinity := or .Values.recon.affinity .Values.affinity }}
+{{- $tolerations := or .Values.recon.tolerations .Values.tolerations }}
+{{- $securityContext := or .Values.recon.securityContext .Values.securityContext }}
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ .Release.Name }}-recon
+  labels:
+    {{- include "ozone.labels" . | nindent 4 }}
+    app.kubernetes.io/component: recon
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      {{- include "ozone.selectorLabels" . | nindent 6 }}
+      app.kubernetes.io/component: recon
+  template:
+    metadata:
+      annotations:
+        checksum/config: {{ include (print $.Template.BasePath "/ozone-configmap.yaml") . | sha256sum }}
+      labels:
+        {{- include "ozone.selectorLabels" . | nindent 8 }}
+        app.kubernetes.io/component: recon
+    spec:
+      containers:
+        - name: recon
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          {{- with .Values.recon.command }}
+          command: {{- tpl (toYaml .) $ | nindent 12 }}
+          {{- end }}
+          {{- with .Values.recon.args }}
+          args: {{- tpl (toYaml .) $ | nindent 12 }}
+          {{- end }}
+          env:
+            {{- include "ozone.configuration.env" . | nindent 12 }}
+            {{- with $env }}
+              {{- tpl (toYaml .) $ | nindent 12 }}
+            {{- end }}
+          {{- with $envFrom }}
+          envFrom: {{- tpl (toYaml .) $ | nindent 12 }}
+          {{- end }}
+          ports:
+            - name: ui
+              containerPort: {{ .Values.recon.service.port }}
+          livenessProbe:
+            tcpSocket:
+              port: 9891
+            initialDelaySeconds: 30
+          readinessProbe:
+            tcpSocket:
+              port: 9891
+            initialDelaySeconds: 30
+          volumeMounts:
+            - name: config
+              mountPath: {{ .Values.configuration.dir }}
+      {{- with $nodeSelector }}
+      nodeSelector: {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with $affinity }}
+      affinity: {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with $tolerations }}
+      tolerations: {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with $securityContext }}
+      securityContext: {{- toYaml . | nindent 8 }}
+      {{- end }}
+      volumes:
+        - name: config
+          projected:
+            sources:
+              - configMap:
+                  name: {{ .Release.Name }}-ozone
+              {{- with .Values.configuration.filesFrom }}
+                {{- tpl (toYaml .) $ | nindent 14 }}
+              {{- end }}
+{{- end }}

charts/ozone/templates/recon/recon-service.yaml

@@ -0,0 +1,46 @@
+{{/*
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements.  See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership.  The ASF licenses this file
+  to you 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.recon.enabled }}
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ .Release.Name }}-recon
+  labels:
+    {{- include "ozone.labels" . | nindent 4 }}
+    app.kubernetes.io/component: recon
+    {{- with .Values.recon.service.labels }}
+      {{- toYaml . | nindent 4 }}
+    {{- end }}
+  {{- with .Values.recon.service.annotations }}
+  annotations: {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  type: {{ .Values.recon.service.type }}
+  ports:
+    - name: ui
+      port: {{ .Values.recon.service.port }}
+      {{- if and (eq .Values.recon.service.type "NodePort") (.Values.recon.service.nodePort) }}
+      nodePort: {{ .Values.recon.service.nodePort }}
+      {{- end }}
+    - name: tcp
+      port: 9891
+  selector:
+    {{- include "ozone.selectorLabels" . | nindent 4 }}
+    app.kubernetes.io/component: recon
+{{- end }}

charts/ozone/values.yaml

@@ -230,3 +230,30 @@ scm:
     size: 10Gi
     # The name of a specific storage class name to use
     storageClassName: ~
+
+# Recon configuration
+recon:
+  enabled: false
+  # Command to launch Recon (templated)
+  command: ~
+  # Arguments to launch Recon (templated)
+  args: ["ozone", "recon"]
+  # Additional Recon environment variables (templated)
+  env: []
+  # Additional Recon envFrom items to set up environment variables (templated)
+  envFrom: []
+  # Constrain Recon pods to nodes with specific node labels
+  nodeSelector: {}
+  # Constrain Recon pods to nodes by affinity/anti-affinity rules
+  affinity: {}
+  # Allow to schedule Recon pods on nodes with matching taints
+  tolerations: []
+  # Recon security context (overwrites common security context)
+  securityContext: {}
+  # Recon service configuration
+  service:
+    type: ClusterIP
+    port: 9888
+    nodePort: ~
+    labels: {}
+    annotations: {}