[DMAAP][MR] Use startup probes

Instead of using long intial delay for readiness and liveness probes,
use startup Probes with aggressive checks in order to detect start as
fast as possible AND handles slow start cases.

Issue-ID: OOM-1
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
Change-Id: Icb19ef62a4a8c52ac8800aa1dd4b71e350a6eeca

2 files changed, 27 insertions, 3 deletions

diff --git a/kubernetes/dmaap/components/message-router/templates/statefulset.yaml b/kubernetes/dmaap/components/message-router/templates/statefulset.yaml
index 9bad341792..f0832add80 100644
--- a/kubernetes/dmaap/components/message-router/templates/statefulset.yaml
+++ b/kubernetes/dmaap/components/message-router/templates/statefulset.yaml
@@ -103,13 +103,25 @@ spec:
             initialDelaySeconds: {{ .Values.liveness.initialDelaySeconds }}
             periodSeconds: {{ .Values.liveness.periodSeconds }}
             timeoutSeconds: {{ .Values.liveness.timeoutSeconds }}
-          {{ end -}}
+            successThreshold: {{ .Values.liveness.successThreshold }}
+            failureThreshold: {{ .Values.liveness.failureThreshold }}
+          {{ end }}
           readinessProbe:
             tcpSocket:
               port: {{ .Values.readiness.port }}
             initialDelaySeconds: {{ .Values.readiness.initialDelaySeconds }}
             periodSeconds: {{ .Values.readiness.periodSeconds }}
             timeoutSeconds: {{ .Values.readiness.timeoutSeconds }}
+            successThreshold: {{ .Values.readiness.successThreshold }}
+            failureThreshold: {{ .Values.readiness.failureThreshold }}
+          startupProbe:
+            tcpSocket:
+                port: {{ .Values.startup.port }}
+            initialDelaySeconds: {{ .Values.startup.initialDelaySeconds }}
+            periodSeconds: {{ .Values.startup.periodSeconds }}
+            timeoutSeconds: {{ .Values.startup.timeoutSeconds }}
+            successThreshold: {{ .Values.startup.successThreshold }}
+            failureThreshold: {{ .Values.startup.failureThreshold }}
           env:
           - name: enableCadi
             value: "{{ .Values.global.aafEnabled }}"
diff --git a/kubernetes/dmaap/components/message-router/values.yaml b/kubernetes/dmaap/components/message-router/values.yaml
index 44697d7c92..7aa31769f4 100644
--- a/kubernetes/dmaap/components/message-router/values.yaml
+++ b/kubernetes/dmaap/components/message-router/values.yaml
@@ -85,18 +85,30 @@ affinity: {}
 
 # probe configuration parameters
 liveness:
-  initialDelaySeconds: 70
+  initialDelaySeconds: 10
   periodSeconds: 10
   timeoutSeconds: 1
+  successThreshold: 1
+  failureThreshold: 3
   # necessary to disable liveness probe when setting breakpoints
   # in debugger so K8s doesn't restart unresponsive container
   port: api
   enabled: true
 
 readiness:
-  initialDelaySeconds: 70
+  initialDelaySeconds: 10
   periodSeconds: 10
   timeoutSeconds: 1
+  successThreshold: 1
+  failureThreshold: 3
+  port: api
+
+startup:
+  initialDelaySeconds: 10
+  periodSeconds: 10
+  timeoutSeconds: 1
+  successThreshold: 1
+  failureThreshold: 70
   port: api
 
 service: