From f3c17361dafa9abc7de15c2eb273e26def5619ed Mon Sep 17 00:00:00 2001
From: Steven Reitsma <steven@properchaos.nl>
Date: Tue, 4 Aug 2020 14:28:19 +0200
Subject: [PATCH] Create a PodDisruptionBudget for the Cinder CSI
controllerplugin (#6385)
---
.../csi_driver/cinder/tasks/main.yml | 1 +
.../cinder-csi-poddisruptionbudget.yml.j2 | 14 ++++++++++++++
2 files changed, 15 insertions(+)
create mode 100644 roles/kubernetes-apps/csi_driver/cinder/templates/cinder-csi-poddisruptionbudget.yml.j2
diff --git a/roles/kubernetes-apps/csi_driver/cinder/tasks/main.yml b/roles/kubernetes-apps/csi_driver/cinder/tasks/main.yml
index aa5a1c6e8..b63912d2b 100644
--- a/roles/kubernetes-apps/csi_driver/cinder/tasks/main.yml
+++ b/roles/kubernetes-apps/csi_driver/cinder/tasks/main.yml
@@ -41,6 +41,7 @@
- {name: cinder-csi-controllerplugin, file: cinder-csi-controllerplugin.yml}
- {name: cinder-csi-nodeplugin, file: cinder-csi-nodeplugin-rbac.yml}
- {name: cinder-csi-nodeplugin, file: cinder-csi-nodeplugin.yml}
+ - {name: cinder-csi-poddisruptionbudget, file: cinder-csi-poddisruptionbudget.yml}
register: cinder_csi_manifests
when: inventory_hostname == groups['kube-master'][0]
tags: cinder-csi-driver
diff --git a/roles/kubernetes-apps/csi_driver/cinder/templates/cinder-csi-poddisruptionbudget.yml.j2 b/roles/kubernetes-apps/csi_driver/cinder/templates/cinder-csi-poddisruptionbudget.yml.j2
new file mode 100644
index 000000000..615721ff0
--- /dev/null
+++ b/roles/kubernetes-apps/csi_driver/cinder/templates/cinder-csi-poddisruptionbudget.yml.j2
@@ -0,0 +1,14 @@
+apiVersion: policy/v1beta1
+kind: PodDisruptionBudget
+metadata:
+ name: cinder-csi-pdb
+ namespace: kube-system
+spec:
+{% if cinder_csi_controller_replicas is defined and cinder_csi_controller_replicas > 1 %}
+ minAvailable: 1
+{% else %}
+ minAvailable: 0
+{% endif %}
+ selector:
+ matchLabels:
+ app: csi-cinder-controllerplugin
--
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