From 5b0fd72ca9ac66e180b2d3826d7142a456207a80 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lukas=20Juozas=20Janu=C5=A1aitis?=
 <lukas.janusaitis@hostinger.com>
Date: Mon, 6 Jan 2025 17:52:39 +0200
Subject: [PATCH] feat(helm): add readiness probe for memcached

---
 docs/sources/setup/install/helm/reference.md    | 17 +++++++++++++++++
 .../memcached/_memcached-statefulset.tpl        |  2 ++
 production/helm/loki/values.yaml                |  8 ++++++++
 3 files changed, 27 insertions(+)

diff --git a/docs/sources/setup/install/helm/reference.md b/docs/sources/setup/install/helm/reference.md
index e0f2fe9dc3829..03183842fec10 100644
--- a/docs/sources/setup/install/helm/reference.md
+++ b/docs/sources/setup/install/helm/reference.md
@@ -6759,6 +6759,23 @@ false
 			<td><pre lang="json">
 null
 </pre>
+</td>
+		</tr>
+		<tr>
+			<td>memcached.readinessProbe</td>
+			<td>object</td>
+			<td>Readiness probe</td>
+			<td><pre lang="json">
+{
+  "failureThreshold": 6,
+  "initialDelaySeconds": 5,
+  "periodSeconds": 5,
+  "tcpSocket": {
+    "port": 11211
+  },
+  "timeoutSeconds": 3
+}
+</pre>
 </td>
 		</tr>
 		<tr>
diff --git a/production/helm/loki/templates/memcached/_memcached-statefulset.tpl b/production/helm/loki/templates/memcached/_memcached-statefulset.tpl
index cb798e508f35b..3600e938ae7d0 100644
--- a/production/helm/loki/templates/memcached/_memcached-statefulset.tpl
+++ b/production/helm/loki/templates/memcached/_memcached-statefulset.tpl
@@ -124,6 +124,8 @@ spec:
             {{- end }}
           securityContext:
             {{- toYaml $.ctx.Values.memcached.containerSecurityContext | nindent 12 }}
+          readinessProbe:
+            {{- toYaml $.ctx.Values.memcached.readinessProbe | nindent 12 }}
           {{- if or .persistence.enabled .extraVolumeMounts }}
           volumeMounts:
           {{- if .persistence.enabled }}
diff --git a/production/helm/loki/values.yaml b/production/helm/loki/values.yaml
index 2af9e32015888..01a404574565f 100644
--- a/production/helm/loki/values.yaml
+++ b/production/helm/loki/values.yaml
@@ -3032,6 +3032,14 @@ memcached:
     fsGroup: 11211
   # -- The name of the PriorityClass for memcached pods
   priorityClassName: null
+  # -- Readiness probe
+  readinessProbe:
+    tcpSocket:
+      port: 11211
+    initialDelaySeconds: 5
+    periodSeconds: 5
+    timeoutSeconds: 3
+    failureThreshold: 6
   # -- The SecurityContext for memcached containers
   containerSecurityContext:
     readOnlyRootFilesystem: true