From eca2404def4acdbc5615cde8b2d6a78a966c0468 Mon Sep 17 00:00:00 2001
From: Serge Logvinov <serge.logvinov@sinextra.dev>
Date: Thu, 6 Apr 2023 12:38:54 +0300
Subject: [PATCH] Add pod tolerations to the helper-pod
Signed-off-by: Serge Logvinov <serge.logvinov@sinextra.dev>
---
README.md | 9 ++++++++-
.../local-path-provisioner/templates/configmap.yaml | 9 +++++++--
deploy/example-config.yaml | 7 +++++--
deploy/local-path-storage.yaml | 7 +++++--
4 files changed, 25 insertions(+), 7 deletions(-)
diff --git a/README.md b/README.md
index 68c7c7cc..606b549f 100644
--- a/README.md
+++ b/README.md
@@ -171,12 +171,19 @@ data:
metadata:
name: helper-pod
spec:
+ priorityClassName: system-node-critical
+ tolerations:
+ - key: node.kubernetes.io/disk-pressure
+ operator: Exists
+ effect: NoSchedule
containers:
- name: helper-pod
image: busybox
```
+The helperPod is allowed to run on nodes experiencing disk pressure conditions, despite the potential resource constraints. When it runs on such a node, it can carry out specific cleanup tasks, freeing up space in PVCs, and resolving the disk-pressure issue.
+
#### `config.json`
##### Definition
@@ -235,7 +242,7 @@ If the reload fails, the provisioner will log the error and **continue using the
To specify the type of volume you want the provisioner to create, add either of the following annotations;
-- PVC:
+- PVC:
```yaml
annotations:
volumeType: <local or hostPath>
diff --git a/deploy/chart/local-path-provisioner/templates/configmap.yaml b/deploy/chart/local-path-provisioner/templates/configmap.yaml
index c9532a7d..6ad117b6 100644
--- a/deploy/chart/local-path-provisioner/templates/configmap.yaml
+++ b/deploy/chart/local-path-provisioner/templates/configmap.yaml
@@ -16,15 +16,20 @@ data:
{{- end }}
{{- $config | toPrettyJson | nindent 4 }}
setup: |-
- {{ .Values.configmap.setup | nindent 4 }}
+ {{- .Values.configmap.setup | nindent 4 }}
teardown: |-
- {{ .Values.configmap.teardown | nindent 4 }}
+ {{- .Values.configmap.teardown | nindent 4 }}
helperPod.yaml: |-
apiVersion: v1
kind: Pod
metadata:
name: helper-pod
spec:
+ priorityClassName: system-node-critical
+ tolerations:
+ - key: node.kubernetes.io/disk-pressure
+ operator: Exists
+ effect: NoSchedule
containers:
- name: helper-pod
{{- if .Values.privateRegistry.registryUrl }}
diff --git a/deploy/example-config.yaml b/deploy/example-config.yaml
index bf361788..795f9df9 100644
--- a/deploy/example-config.yaml
+++ b/deploy/example-config.yaml
@@ -35,9 +35,12 @@ data:
metadata:
name: helper-pod
spec:
+ priorityClassName: system-node-critical
+ tolerations:
+ - key: node.kubernetes.io/disk-pressure
+ operator: Exists
+ effect: NoSchedule
containers:
- name: helper-pod
image: busybox
imagePullPolicy: IfNotPresent
-
-
diff --git a/deploy/local-path-storage.yaml b/deploy/local-path-storage.yaml
index 2b6b68ee..ec5482bb 100644
--- a/deploy/local-path-storage.yaml
+++ b/deploy/local-path-storage.yaml
@@ -148,9 +148,12 @@ data:
metadata:
name: helper-pod
spec:
+ priorityClassName: system-node-critical
+ tolerations:
+ - key: node.kubernetes.io/disk-pressure
+ operator: Exists
+ effect: NoSchedule
containers:
- name: helper-pod
image: busybox
imagePullPolicy: IfNotPresent
-
-
--
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