Feature/assessment challenge

sre/charts/backend/templates/NOTES.txt

@@ -3,7 +3,12 @@ The backend service has been deployed.
 To check the service:
   kubectl get pods -l app.kubernetes.io/instance={{ .Release.Name }}
 
-To access locally:
+To access locally with port forwarding:
   kubectl port-forward svc/{{ include "backend.fullname" . }} 8080:{{ .Values.service.port }}
   curl http://localhost:8080/api/welcome
   curl http://localhost:8080/actuator/health
+
+To access through nginx Ingress object and service
+  (Requires host file be updated)
+  curl http://interview-backend.local/api/welcome
+  curl http://interview-backend.local/actuator/health

sre/charts/backend/templates/configmap.yaml

@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "backend.fullname" . }}
+  labels:
+    {{- include "backend.labels" . | nindent 4 }}
+data:
+  {{- range $key, $val := .Values.config }}
+  {{ $key }}: {{ $val | quote }}
+  {{- end }}

sre/charts/backend/templates/deployment.yaml

@@ -34,8 +34,9 @@ spec:
           volumeMounts:
             - name: tmp
               mountPath: /tmp
-          env:
-            {{- toYaml .Values.env | nindent 12 }}
+          envFrom:
+            - configMapRef:
+                name: {{ include "backend.fullname" . }}
           livenessProbe:
             httpGet:
               path: {{ .Values.livenessProbe.path }}

sre/charts/backend/templates/pdb.yaml

@@ -0,0 +1,13 @@
+{{- if .Values.pdb.enabled -}}
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ include "backend.fullname" . }}
+  labels:
+    {{- include "backend.labels" . | nindent 4 }}
+spec:
+  minAvailable: {{ .Values.pdb.minAvailable }}
+  selector:
+    matchLabels:
+      {{- include "backend.selectorLabels" . | nindent 6 }}
+{{- end }}

sre/charts/backend/values.yaml

@@ -31,9 +31,8 @@ service:
   port: 80
   containerPort: 8080
 
-env:
-  - name: H2_CONSOLE_ENABLED
-    value: "false"
+config:
+  H2_CONSOLE_ENABLED: "false"
 
 resources:
   requests:
@@ -75,3 +74,7 @@ autoscaling:
   minReplicas: 1
   maxReplicas: 3
   targetCPUUtilizationPercentage: 80
+
+pdb:
+  enabled: true
+  minAvailable: 1