From 3879b59f43f36f516a460da12912177c0f6d0dcc Mon Sep 17 00:00:00 2001
From: Jirka Kremser <jiri.kremser@gmail.com>
Date: Mon, 3 Oct 2022 17:36:14 +0200
Subject: [PATCH] Add a way to customize liveness and readiness probes in helm
 chart

Signed-off-by: Jirka Kremser <jiri.kremser@gmail.com>
---
 charts/podinfo/templates/deployment.yaml | 18 ++++++++++++++----
 charts/podinfo/values.yaml               | 15 +++++++++++++++
 2 files changed, 29 insertions(+), 4 deletions(-)

diff --git a/charts/podinfo/templates/deployment.yaml b/charts/podinfo/templates/deployment.yaml
index 689bb0c..1344609 100644
--- a/charts/podinfo/templates/deployment.yaml
+++ b/charts/podinfo/templates/deployment.yaml
@@ -136,8 +136,13 @@ spec:
               - check
               - http
               - localhost:{{ .Values.service.httpPort | default 9898 }}/healthz
-            initialDelaySeconds: 1
-            timeoutSeconds: 5
+            {{- with .Values.probes.liveness }}
+            initialDelaySeconds: {{ .initialDelaySeconds | default 1 }}
+            timeoutSeconds: {{ .timeoutSeconds | default 5 }}
+            failureThreshold: {{ .failureThreshold | default 3 }}
+            successThreshold: {{ .successThreshold | default 1 }}
+            periodSeconds: {{ .periodSeconds | default 10 }}
+            {{- end }}
           readinessProbe:
             exec:
               command:
@@ -145,8 +150,13 @@ spec:
               - check
               - http
               - localhost:{{ .Values.service.httpPort | default 9898 }}/readyz
-            initialDelaySeconds: 1
-            timeoutSeconds: 5
+            {{- with .Values.probes.readiness }}
+            initialDelaySeconds: {{ .initialDelaySeconds | default 1 }}
+            timeoutSeconds: {{ .timeoutSeconds | default 5 }}
+            failureThreshold: {{ .failureThreshold | default 3 }}
+            successThreshold: {{ .successThreshold | default 1 }}
+            periodSeconds: {{ .periodSeconds | default 10 }}
+            {{- end }}
           volumeMounts:
           - name: data
             mountPath: /data
diff --git a/charts/podinfo/values.yaml b/charts/podinfo/values.yaml
index 6e2a5c2..68ed887 100644
--- a/charts/podinfo/values.yaml
+++ b/charts/podinfo/values.yaml
@@ -140,3 +140,18 @@ tolerations: []
 affinity: {}
 
 podAnnotations: {}
+
+# https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle#container-probes
+probes:
+  readiness:
+    initialDelaySeconds: 1
+    timeoutSeconds: 5
+    failureThreshold: 3
+    successThreshold: 1
+    periodSeconds: 10
+  liveness:
+    initialDelaySeconds: 1
+    timeoutSeconds: 5
+    failureThreshold: 3
+    successThreshold: 1
+    periodSeconds: 10