From 5777e4bd376e46c8c04b495dd32eb359d6ddd922 Mon Sep 17 00:00:00 2001
From: Fabian Kulmann <fabian.kulmann@de.ibm.com>
Date: Wed, 25 Sep 2024 14:37:40 +0200
Subject: [PATCH 1/3] feat: Add priorityClass to sysdig helm chart

---
 chart/sysdig-agent/templates/daemonset.yaml     | 1 +
 chart/sysdig-agent/templates/priorityclass.yaml | 9 +++++++++
 2 files changed, 10 insertions(+)
 create mode 100644 chart/sysdig-agent/templates/priorityclass.yaml

diff --git a/chart/sysdig-agent/templates/daemonset.yaml b/chart/sysdig-agent/templates/daemonset.yaml
index 02e3c5ed..f100edf9 100644
--- a/chart/sysdig-agent/templates/daemonset.yaml
+++ b/chart/sysdig-agent/templates/daemonset.yaml
@@ -86,6 +86,7 @@ spec:
       {{- end}}
       # The following line is necessary for RBAC
       serviceAccountName: "{{ .Values.metadata.name }}"
+      priorityClassName: "{{ .Values.metadata.name }}-ds-priority"
       terminationGracePeriodSeconds: 5
       containers:
       - name: "{{ .Values.metadata.name }}"
diff --git a/chart/sysdig-agent/templates/priorityclass.yaml b/chart/sysdig-agent/templates/priorityclass.yaml
new file mode 100644
index 00000000..1ff7de41
--- /dev/null
+++ b/chart/sysdig-agent/templates/priorityclass.yaml
@@ -0,0 +1,9 @@
+apiVersion: scheduling.k8s.io/v1
+kind: PriorityClass
+metadata:
+  name: "{{ .Values.metadata.name }}-ds-priority"
+  namespace: {{ .Release.Namespace }}
+value: 1000000
+preemptionPolicy: PreemptLowerPriority
+globalDefault: false
+description: "Sysdig Agent"

From 49ea5c4e3699c99278ba5d22cbc75949d9bb227d Mon Sep 17 00:00:00 2001
From: Fabian Kulmann <fabian.kulmann@de.ibm.com>
Date: Thu, 26 Sep 2024 13:51:48 +0200
Subject: [PATCH 2/3] feat: Configure maxUnavailable to 25% for sysdig-agent

---
 chart/sysdig-agent/templates/daemonset.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/chart/sysdig-agent/templates/daemonset.yaml b/chart/sysdig-agent/templates/daemonset.yaml
index f100edf9..adc265af 100644
--- a/chart/sysdig-agent/templates/daemonset.yaml
+++ b/chart/sysdig-agent/templates/daemonset.yaml
@@ -16,6 +16,8 @@ spec:
       app: "{{ .Values.metadata.name }}"
   updateStrategy:
     type: RollingUpdate
+    rollingUpdate:
+      maxUnavailable: 25%
   template:
     metadata:
       labels:

From 4db829056d0157bcc583baa420ce596317072ad3 Mon Sep 17 00:00:00 2001
From: Fabian Kulmann <60937623+kulmannf@users.noreply.github.com>
Date: Fri, 27 Sep 2024 14:18:18 +0200
Subject: [PATCH 3/3] Change sysdig priority value to 999999

---
 chart/sysdig-agent/templates/priorityclass.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/chart/sysdig-agent/templates/priorityclass.yaml b/chart/sysdig-agent/templates/priorityclass.yaml
index 1ff7de41..1ea65402 100644
--- a/chart/sysdig-agent/templates/priorityclass.yaml
+++ b/chart/sysdig-agent/templates/priorityclass.yaml
@@ -3,7 +3,7 @@ kind: PriorityClass
 metadata:
   name: "{{ .Values.metadata.name }}-ds-priority"
   namespace: {{ .Release.Namespace }}
-value: 1000000
+value: 999999
 preemptionPolicy: PreemptLowerPriority
 globalDefault: false
 description: "Sysdig Agent"