fix: probes lightship + improvments

charts/modjo-microservice/templates/_helpers.tpl

@@ -36,3 +36,24 @@ app.kubernetes.io/managed-by: {{ .Release.Service }}
 app.kubernetes.io/name: {{ include "common.names.name" . }}
 app.kubernetes.io/instance: {{ .Release.Name }}
 {{- end -}}
+
+{{- define "common.tplvalues.render" -}}
+{{- $value := typeIs "string" .value | ternary .value (.value | toYaml) }}
+{{- if contains "{{" (toJson .value) }}
+  {{- if .scope }}
+      {{- tpl (cat "{{- with $.RelativeScope -}}" $value "{{- end }}") (merge (dict "RelativeScope" .scope) .context) }}
+  {{- else }}
+    {{- tpl $value .context }}
+  {{- end }}
+{{- else }}
+    {{- $value }}
+{{- end }}
+{{- end -}}
+
+{{- define "common.tplvalues.merge" -}}
+{{- $dst := dict -}}
+{{- range .values -}}
+{{- $dst = include "common.tplvalues.render" (dict "value" . "context" $.context "scope" $.scope) | fromYaml | merge $dst -}}
+{{- end -}}
+{{ $dst | toYaml }}
+{{- end -}}

charts/modjo-microservice/templates/rollout-deployment.yaml

@@ -59,30 +59,62 @@ spec:
         {{- end }}
       containers:
         - name: {{ .Chart.Name }}
+          {{- with .Values.podSecurityContext }}
           securityContext:
-            readOnlyRootFilesystem: true
-            runAsUser: 1000
-            runAsGroup: 1000
-            runAsNonRoot: true
-            allowPrivilegeEscalation: false
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
           imagePullPolicy: {{ .Values.image.pullPolicy }}
           {{- if .Values.exposed }}
           ports:
             - name: http
-              containerPort: 4000
+              containerPort: {{ .Values.httpContainerPort }}
               protocol: TCP
+          {{- if .Values.customLivenessProbe }}
+          livenessProbe: {{- include "common.tplvalues.render" (dict "value" .Values.customLivenessProbe "context" $) | nindent 12 }}
+          {{- else if .Values.livenessProbe.enabled }}
           livenessProbe:
             httpGet:
-              path: /
-              port: http
+              path: /live
+              port: 9000
+            initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
+            periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
+            timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
+            successThreshold: {{ .Values.livenessProbe.successThreshold }}
+            failureThreshold: {{ .Values.livenessProbe.failureThreshold }}
+          {{- end }}
+          {{- if .Values.customReadinessProbe }}
+          readinessProbe: {{- include "common.tplvalues.render" (dict "value" .Values.customReadinessProbe "context" $) | nindent 12 }}
+          {{- else if .Values.readinessProbe.enabled }}
           readinessProbe:
             httpGet:
-              path: /
-              port: http
+              path: /ready
+              port: 9000
+            initialDelaySeconds: {{ .Values.readinessProbe.initialDelaySeconds }}
+            periodSeconds: {{ .Values.readinessProbe.periodSeconds }}
+            timeoutSeconds: {{ .Values.readinessProbe.timeoutSeconds }}
+            successThreshold: {{ .Values.readinessProbe.successThreshold }}
+            failureThreshold: {{ .Values.readinessProbe.failureThreshold }}
+          {{- end }}
+          {{- if .Values.customStartupProbe }}
+          startupProbe: {{- include "common.tplvalues.render" (dict "value" .Values.customStartupProbe "context" $) | nindent 12 }}
+          {{- else if .Values.startupProbe.enabled }}
+          startupProbe:
+            httpGet:
+              path: /live
+              port: 9000
+            initialDelaySeconds: {{ .Values.startupProbe.initialDelaySeconds }}
+            periodSeconds: {{ .Values.startupProbe.periodSeconds }}
+            timeoutSeconds: {{ .Values.startupProbe.timeoutSeconds }}
+            successThreshold: {{ .Values.startupProbe.successThreshold }}
+            failureThreshold: {{ .Values.startupProbe.failureThreshold }}
+          {{- end }}
           {{- end }}
           resources:
             {{- toYaml .Values.resources | nindent 12 }}
+          {{- if .Values.lifecycleHooks }}
+          lifecycle: {{- include "common.tplvalues.render" (dict "value" .Values.lifecycleHooks "context" $) | nindent 12 }}
+          {{- end }}
           volumeMounts:
             {{- if .Values.application.jwt.enabled }}
             - name: jwt
@@ -158,6 +190,17 @@ spec:
               {{- (tpl ($value | toYaml) $) | nindent 14 }}
             {{- end }}
             {{- end }}
+        {{- if .Values.sidecars }}
+        {{- include "common.tplvalues.render" (dict "value" .Values.sidecars "context" $) | nindent 8 }}
+        {{- end }}
+      {{- if .Values.initContainers }}
+      initContainers:
+        {{- include "common.tplvalues.render" (dict "value" .Values.initContainers "context" $) | nindent 8 }}
+      {{- end }}
+      {{- with .Values.securityContext }}
+      securityContext:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
       nodeSelector:
         {{- toYaml .Values.nodeSelector | nindent 8 }}
       affinity:

charts/modjo-microservice/values.yaml

@@ -43,11 +43,56 @@ extraEnv:
 extraVolumes:
 extraVolumeMounts:
 
+livenessProbe:
+  enabled: true
+  initialDelaySeconds: 5
+  periodSeconds: 5
+  timeoutSeconds: 5
+  successThreshold: 1
+  failureThreshold: 5
+readinessProbe:
+  enabled: true
+  initialDelaySeconds: 5
+  periodSeconds: 5
+  timeoutSeconds: 1
+  successThreshold: 1
+  failureThreshold: 5
+startupProbe:
+  enabled: false
+  initialDelaySeconds: 0
+  periodSeconds: 10
+  timeoutSeconds: 5
+  successThreshold: 1
+  failureThreshold: 60
+customLivenessProbe: {}
+customReadinessProbe: {}
+customStartupProbe: {}
+lifecycleHooks: {}
+initContainers: []
+sidecars: []
+
 commonAnnotations: {}
 commonLabels: {}
 
+podSecurityContext:
+  fsGroup: 1000
+
+securityContext:
+  allowPrivilegeEscalation: false
+  privileged: false
+  readOnlyRootFilesystem: true
+  runAsNonRoot: true
+  runAsGroup: 1000
+  runAsUser: 1000
+  capabilities:
+    drop:
+      - ALL
+
+
 podAnnotations:
 
+httpContainerPort: 4000
+
 service:
   enabled: true
   type: ClusterIP