From 7b00d34c83c3d54548864e8bbb200f5df2e4ff64 Mon Sep 17 00:00:00 2001
From: Stephan Feurer <stephan.feurer@vshn.net>
Date: Wed, 17 Apr 2024 11:08:46 +0200
Subject: [PATCH] Add priorityclass system-cluster-critical to operator

Ensure this component has precedence over user deployed workload.
---
 component/alerts-exporter.jsonnet                   | 13 +++++++++++++
 .../apps_v1_deployment_alerts-exporter.yaml         |  1 +
 .../apps_v1_deployment_alerts-exporter.yaml         |  1 +
 3 files changed, 15 insertions(+)

diff --git a/component/alerts-exporter.jsonnet b/component/alerts-exporter.jsonnet
index 7fb0dc1..f965881 100644
--- a/component/alerts-exporter.jsonnet
+++ b/component/alerts-exporter.jsonnet
@@ -41,6 +41,18 @@ local extraArgsPatch = [
   value: arg,
 }, params.exporter.extraArgs);
 
+local setPriorityClass = {
+  patch: |||
+    - op: add
+      path: "/spec/template/spec/priorityClassName"
+      value: "system-cluster-critical"
+  |||,
+  target: {
+    kind: 'Deployment',
+    name: 'alerts-exporter',
+  },
+};
+
 com.Kustomization(
   '%(repository)s//%(subdir)s' % params.manifests,
   params.manifests.version,
@@ -66,6 +78,7 @@ com.Kustomization(
           name: 'alerts-exporter',
         },
       },
+      setPriorityClass,
     ],
     labels+: [
       {
diff --git a/tests/golden/defaults/alerts-exporter/alerts-exporter/apps_v1_deployment_alerts-exporter.yaml b/tests/golden/defaults/alerts-exporter/alerts-exporter/apps_v1_deployment_alerts-exporter.yaml
index 4b38fe5..0e00d96 100644
--- a/tests/golden/defaults/alerts-exporter/alerts-exporter/apps_v1_deployment_alerts-exporter.yaml
+++ b/tests/golden/defaults/alerts-exporter/alerts-exporter/apps_v1_deployment_alerts-exporter.yaml
@@ -67,6 +67,7 @@ spec:
           capabilities:
             drop:
             - ALL
+      priorityClassName: system-cluster-critical
       securityContext:
         runAsNonRoot: true
         seccompProfile:
diff --git a/tests/golden/openshift4/alerts-exporter/alerts-exporter/apps_v1_deployment_alerts-exporter.yaml b/tests/golden/openshift4/alerts-exporter/alerts-exporter/apps_v1_deployment_alerts-exporter.yaml
index 6aa5d3c..9f1a788 100644
--- a/tests/golden/openshift4/alerts-exporter/alerts-exporter/apps_v1_deployment_alerts-exporter.yaml
+++ b/tests/golden/openshift4/alerts-exporter/alerts-exporter/apps_v1_deployment_alerts-exporter.yaml
@@ -72,6 +72,7 @@ spec:
           capabilities:
             drop:
             - ALL
+      priorityClassName: system-cluster-critical
       securityContext:
         runAsNonRoot: true
         seccompProfile: