From 2c06d0311d248544343993f20ff2d45a2bc84d5e Mon Sep 17 00:00:00 2001
From: Murphy Chen <minquan.chen@daocloud.io>
Date: Wed, 5 Jul 2023 16:50:25 +0800
Subject: [PATCH] fat: support config replicaCount (#555)

* support config replicaCount

* add helm check

* apply reviewer's suggestion

* add a checks.txt
---
 helm/tailing-sidecar-operator/templates/checks.txt     | 4 ++++
 helm/tailing-sidecar-operator/templates/resources.yaml | 2 +-
 helm/tailing-sidecar-operator/values.yaml              | 3 +++
 3 files changed, 8 insertions(+), 1 deletion(-)
 create mode 100644 helm/tailing-sidecar-operator/templates/checks.txt

diff --git a/helm/tailing-sidecar-operator/templates/checks.txt b/helm/tailing-sidecar-operator/templates/checks.txt
new file mode 100644
index 00000000..b81b537c
--- /dev/null
+++ b/helm/tailing-sidecar-operator/templates/checks.txt
@@ -0,0 +1,4 @@
+{{/* Check if leader election is set to true when replicaCount > 1 */}}
+{{- if and (gt (.Values.operator.replicaCount | toString) "1") (not .Values.operator.leaderElection.enabled) }}
+{{- fail "\nValues.operator.leaderElection should be set to true when replicaCount > 1" -}}
+{{- end }}
\ No newline at end of file
diff --git a/helm/tailing-sidecar-operator/templates/resources.yaml b/helm/tailing-sidecar-operator/templates/resources.yaml
index 5184211a..ddca7c2e 100644
--- a/helm/tailing-sidecar-operator/templates/resources.yaml
+++ b/helm/tailing-sidecar-operator/templates/resources.yaml
@@ -431,7 +431,7 @@ metadata:
   name: {{ include "tailing-sidecar-operator.fullname" . }}
   namespace: {{ .Release.Namespace }}
 spec:
-  replicas: 1
+  replicas: {{ .Values.operator.replicaCount }}
   selector:
     matchLabels:
       {{- include "tailing-sidecar-operator.selectorLabels" . | nindent 6 }}
diff --git a/helm/tailing-sidecar-operator/values.yaml b/helm/tailing-sidecar-operator/values.yaml
index fe50f469..8819f4e5 100644
--- a/helm/tailing-sidecar-operator/values.yaml
+++ b/helm/tailing-sidecar-operator/values.yaml
@@ -23,6 +23,9 @@ operator:
     renewDeadline: "107s"
     retryPeriod: "26s"
 
+  # Number of sidecar operator Pods to run (requires enable leader election if replicaCount > 1)
+  replicaCount: 1
+
   livenessProbe: {}
     # initialDelaySeconds: 1
     # periodSeconds: 20