Merge pull request #85 from stfc/wait_for_sidecar

Rabbit consumers - wait for sidecar

Author: meoflynn

charts/rabbit-consumer/Chart.yaml

@@ -6,11 +6,10 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 1.4.4
+version: 1.5.0
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
 # It is recommended to use it with quotes.
 appVersion: "v2.3.4"
-

charts/rabbit-consumer/templates/deployment.yaml

@@ -20,38 +20,37 @@ spec:
         app: rabbit-consumer
     spec:
       containers:
-        - name: consumer
-
-          image: "{{ .Values.consumer.image.repository }}:{{ default .Chart.AppVersion .Values.consumer.image.tag }}"
-          imagePullPolicy: {{ .Values.consumer.image.pullPolicy }}
-
-          envFrom:
-            - configMapRef:
-                name: {{ .Release.Name }}-consumer-env
-            - configMapRef:
-                name: {{ .Release.Name }}-kerberos-env
-            - secretRef:
-                name: {{ .Values.consumer.rabbitmq.secretRef }}
-            - secretRef:
-                name: {{ .Values.consumer.openstack.secretRef }}
-
-          volumeMounts:
-            - name: shared
-              mountPath: /shared
-            - name: kerberos-conf-files
-              mountPath: /etc/krb5.conf
-              subPath: krb5.conf
-            - name: trusted-certs
-              mountPath: /etc/grid-security/certificates
-
         - name: kerberos
           image: "{{ .Values.kerberosSidecar.image.repository }}:{{ .Values.kerberosSidecar.image.tag }}"
           command: ["/bin/sh", "-c", "/etc/entrypoints.d/sidecar-entrypoint.sh"]
           imagePullPolicy: Always
-
           envFrom:
             - configMapRef:
                 name: {{ .Release.Name }}-kerberos-env
+          lifecycle:
+            postStart:
+              exec:
+                command: ["/bin/sh", "-c", "while [ ! -f /shared/krb5cc ]; do sleep 1; done"]
+
+          startupProbe:
+            exec:
+              command:
+                - /bin/sh
+                - -c
+                - klist -s
+            initialDelaySeconds: 10
+            periodSeconds: 10
+            failureThreshold: 3
+
+          livenessProbe:
+            exec:
+              command:
+                - /bin/sh
+                - -c
+                - klist -s
+            initialDelaySeconds: 10
+            periodSeconds: 10
+            failureThreshold: 3
 
           volumeMounts:
             - name: entrypoints
@@ -66,6 +65,28 @@ spec:
               mountPath: /etc/krb5.keytab
               subPath: krb5.keytab
               readOnly: true
+        
+        - name: consumer
+          image: "{{ .Values.consumer.image.repository }}:{{ default .Chart.AppVersion .Values.consumer.image.tag }}"
+          imagePullPolicy: {{ .Values.consumer.image.pullPolicy }}
+          envFrom:
+            - configMapRef:
+                name: {{ .Release.Name }}-consumer-env
+            - configMapRef:
+                name: {{ .Release.Name }}-kerberos-env
+            - secretRef:
+                name: {{ .Values.consumer.rabbitmq.secretRef }}
+            - secretRef:
+                name: {{ .Values.consumer.openstack.secretRef }}
+
+          volumeMounts:
+            - name: shared
+              mountPath: /shared
+            - name: kerberos-conf-files
+              mountPath: /etc/krb5.conf
+              subPath: krb5.conf
+            - name: trusted-certs
+              mountPath: /etc/grid-security/certificates
 
       hostAliases:
       # Logon 04