From dae73b2b740a379125395b9509d750b2566d39f7 Mon Sep 17 00:00:00 2001
From: ramvibhulaanandh <ram@severalnines.com>
Date: Wed, 10 Apr 2024 15:42:12 +0530
Subject: [PATCH 1/2] Add priority class to the innodb cluster

---
 .../templates/deployment_cluster.yaml                 |  3 +++
 .../mysql-innodbcluster/templates/priority_class.yaml | 11 +++++++++++
 helm/mysql-innodbcluster/values.yaml                  |  7 +++++++
 3 files changed, 21 insertions(+)
 create mode 100644 helm/mysql-innodbcluster/templates/priority_class.yaml

diff --git a/helm/mysql-innodbcluster/templates/deployment_cluster.yaml b/helm/mysql-innodbcluster/templates/deployment_cluster.yaml
index eab1467c..0ed4ec08 100644
--- a/helm/mysql-innodbcluster/templates/deployment_cluster.yaml
+++ b/helm/mysql-innodbcluster/templates/deployment_cluster.yaml
@@ -444,6 +444,9 @@ spec:
         {{- end }}
       {{- end }}
     {{- end }}
+    {{- if .Values.priorityClassName }}
+    priorityClassName: {{ .Values.priorityClassName }}
+    {{- end }}
     {{- if hasKey $replica "mycnf" }}
     mycnf: | {{- if not (hasPrefix "[mysqld]" (($replica).mycnf) ) }}{{- "[mysqld]" | nindent 6 }}{{- end }}{{ (($replica).mycnf) | nindent 6 }}{{- end }}
     {{- if hasKey $replica "instances" }}
diff --git a/helm/mysql-innodbcluster/templates/priority_class.yaml b/helm/mysql-innodbcluster/templates/priority_class.yaml
new file mode 100644
index 00000000..8c2b1ba4
--- /dev/null
+++ b/helm/mysql-innodbcluster/templates/priority_class.yaml
@@ -0,0 +1,11 @@
+{{- $cluster_name :=  default "mycluster" .Release.Name }}
+{{- if .Values.podPriorityClassName.create }}
+apiVersion: scheduling.k8s.io/v1
+kind: PriorityClass
+metadata:
+  name: {{ $cluster_name }}
+  namespace: {{ .Release.Namespace }}
+preemptionPolicy: PreemptLowerPriority
+globalDefault: false
+value: {{ .Values.podPriorityClassName.priority }}
+{{- end }}
\ No newline at end of file
diff --git a/helm/mysql-innodbcluster/values.yaml b/helm/mysql-innodbcluster/values.yaml
index 4b8f6b0c..01f60393 100644
--- a/helm/mysql-innodbcluster/values.yaml
+++ b/helm/mysql-innodbcluster/values.yaml
@@ -29,6 +29,13 @@ baseServerId: 1000
 #  podAnnotations:
 #  podLabels:
 
+podPriorityClassName:
+  # If create is false with no name set, no podPriorityClassName is specified.
+  create: true
+  # If not set a name is generated using the fullname template 
+  name: ""
+  priority: 1000000
+
 #logs:
 #  error:
 #    enabled: true

From d53e49ca3dd73bb902c3ea8d3e3e19ad092739f1 Mon Sep 17 00:00:00 2001
From: ram-vibhul <136695724+ram-vibhul@users.noreply.github.com>
Date: Wed, 10 Apr 2024 15:59:17 +0530
Subject: [PATCH 2/2] Update deployment_cluster.yaml

---
 helm/mysql-innodbcluster/templates/deployment_cluster.yaml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/helm/mysql-innodbcluster/templates/deployment_cluster.yaml b/helm/mysql-innodbcluster/templates/deployment_cluster.yaml
index 0ed4ec08..d91a76e1 100644
--- a/helm/mysql-innodbcluster/templates/deployment_cluster.yaml
+++ b/helm/mysql-innodbcluster/templates/deployment_cluster.yaml
@@ -444,8 +444,8 @@ spec:
         {{- end }}
       {{- end }}
     {{- end }}
-    {{- if .Values.priorityClassName }}
-    priorityClassName: {{ .Values.priorityClassName }}
+    {{- if .Values.podPriorityClassName }}
+    priorityClassName: {{ .Values.podPriorityClassName }}
     {{- end }}
     {{- if hasKey $replica "mycnf" }}
     mycnf: | {{- if not (hasPrefix "[mysqld]" (($replica).mycnf) ) }}{{- "[mysqld]" | nindent 6 }}{{- end }}{{ (($replica).mycnf) | nindent 6 }}{{- end }}