updated apimanager helmcharts with godns

Author: G33tha

kubernetes/helm_charts/core/apimanager/templates/deployment.yaml

@@ -27,7 +27,11 @@ spec:
       containers:
       - name: {{ .Chart.Name }}
         image: "{{ .Values.dockerhub }}/{{ .Values.repository }}:{{ .Values.image_tag }}"
-        imagePullPolicy: Always
+        env:
+        - name: KONG_DNS_RESOLVER
+          value: "127.0.0.1:53"
+        - name: KONG_DNSMASQ
+          value: "off"
         envFrom:
         - configMapRef:
             name: {{ .Chart.Name }}-config
@@ -44,12 +48,19 @@ spec:
         readinessProbe:
 {{ toYaml .Values.readinessProbe | indent 10 }}
         {{- end }}
-        lifecycle:
-          preStop:
-            exec:
-              command:
-              - kong
-              - quit
+      - name: go-dns
+        image: "{{ .Values.godns.repository }}:{{ .Values.godns.image_tag }}"
+        env:
+        - name: DNSMASQ_ENABLE_SEARCH
+          value: "true"
+        - name: DNSMASQ_VERBOSE
+          value: {{ .Values.godns.env.verbose | quote }}
+        - name: DNSMASQ_RCACHE
+          value: {{ .Values.godns.env.cache | quote }}
+        - name: DNSMASQ_RCACHE_TTL
+          value: {{ .Values.godns.env.cache_ttl | quote }}
+        resources:
+{{ toYaml .Values.godns.resources | indent 10 }}
 
 ---
 apiVersion: v1
@@ -70,4 +81,4 @@ spec:
     port: {{ .Values.service.port }}
     targetPort: {{ .Values.service.targetport }}
   selector:
-    app: {{ .Chart.Name }} # metadataname of deployment
+    app: {{ .Chart.Name }} # metadataname of deployment

kubernetes/helm_charts/core/apimanager/values.j2

@@ -26,3 +26,18 @@ strategy:
   maxunavailable: {{ apimanager_maxunavailable|default('25%') }}
 
 {{ apimanager_liveness_readiness | to_nice_yaml }}
+
+godns:
+  repository: {{ go_dns_repository | default('docker.io/sunbird/go-dns') }}
+  image_tag: {{ go_dns_image_tag | default('v1.2') }}
+  resources:
+    requests:
+      cpu: {{ go_dns_cpu_req | default('100m') }}
+      memory: {{ go_dns_mem_req | default('100Mi') }}
+    limits:
+      cpu: {{ go_dns_cpu_limit | default('500m') }}
+      memory: {{ go_dns_mem_limit | default('500Mi') }}
+  env:
+    verbose: {{ go_dns_verbosity | default('False') }}
+    cache: {{ go_dns_cache | default('1000') }}
+    cache_ttl: {{ go_dns_cache_ttl | default('7200') }}