From 9031c398fbe24c218d5a1ea017a42dc620b7f51d Mon Sep 17 00:00:00 2001
From: Thales Macedo Garitezi <thalesmg@gmail.com>
Date: Thu, 23 Mar 2023 12:20:46 -0300
Subject: [PATCH] feat(helm): add option to customize `clusterIP`

Fixes https://github.com/emqx/emqx/issues/10223

Adds an option to set `clusterIP` to a fixed IP if the user wants
that.
---
 changes/ce/feat-10224.en.md                          | 2 ++
 deploy/charts/emqx-enterprise/templates/service.yaml | 2 +-
 deploy/charts/emqx/templates/service.yaml            | 2 +-
 deploy/charts/emqx/values.yaml                       | 3 +++
 4 files changed, 7 insertions(+), 2 deletions(-)
 create mode 100644 changes/ce/feat-10224.en.md

diff --git a/changes/ce/feat-10224.en.md b/changes/ce/feat-10224.en.md
new file mode 100644
index 000000000..ba6303b16
--- /dev/null
+++ b/changes/ce/feat-10224.en.md
@@ -0,0 +1,2 @@
+Add the option to customize `clusterIP` in Helm chart, so that an user
+may set it to a fixed IP.
diff --git a/deploy/charts/emqx-enterprise/templates/service.yaml b/deploy/charts/emqx-enterprise/templates/service.yaml
index 401746a51..dea548653 100644
--- a/deploy/charts/emqx-enterprise/templates/service.yaml
+++ b/deploy/charts/emqx-enterprise/templates/service.yaml
@@ -114,7 +114,7 @@ metadata:
 spec:
   type: ClusterIP
   sessionAffinity: None
-  clusterIP: None
+  clusterIP: {{ .Values.service.clusterIP | default "None" }}
   publishNotReadyAddresses: true
   ports:
   - name: mqtt
diff --git a/deploy/charts/emqx/templates/service.yaml b/deploy/charts/emqx/templates/service.yaml
index 401746a51..dea548653 100644
--- a/deploy/charts/emqx/templates/service.yaml
+++ b/deploy/charts/emqx/templates/service.yaml
@@ -114,7 +114,7 @@ metadata:
 spec:
   type: ClusterIP
   sessionAffinity: None
-  clusterIP: None
+  clusterIP: {{ .Values.service.clusterIP | default "None" }}
   publishNotReadyAddresses: true
   ports:
   - name: mqtt
diff --git a/deploy/charts/emqx/values.yaml b/deploy/charts/emqx/values.yaml
index f4649cc15..f7c6483fe 100644
--- a/deploy/charts/emqx/values.yaml
+++ b/deploy/charts/emqx/values.yaml
@@ -128,6 +128,9 @@ service:
   ## Service type
   ##
   type: ClusterIP
+  ## The cluster IP if one wants to customize it to a fixed value
+  ##
+  clusterIP: None
   ## Port for MQTT
   ##
   mqtt: 1883