[WIFI-6393] Add: initContainer to wait for Kafka to be ready

Signed-off-by: Dmitry Dunaev <dmitry@opsfleet.com>

helm/templates/deployment.yaml

@@ -39,6 +39,16 @@ spec:
         {{- end }}
     spec:
 
+      initContainers:
+        - name: wait-kafka
+          image: "{{ .Values.images.dockerize.repository }}:{{ .Values.images.dockerize.tag }}"
+          imagePullPolicy: {{ .Values.images.dockerize.pullPolicy }}
+          args:
+            - -wait
+            - tcp://{{ index .Values.configProperties "openwifi.kafka.brokerlist" }}
+            - -timeout
+            - 600s
+
       containers:
 
         - name: owgw

helm/values.yaml

@@ -15,6 +15,10 @@ images:
 #      registry: tip-tip-wlan-cloud-ucentral.jfrog.io
 #      username: username
 #      password: password
+  dockerize:
+    repository: tip-tip-wlan-cloud-ucentral.jfrog.io/dockerize
+    tag: 0.16.0
+    pullPolicy: IfNotPresent
 
 services:
   owgw: