Add pdb (#117)
Adds a optional PDB to make node drains/cordons safer
diff --git a/couchdb/Chart.yaml b/couchdb/Chart.yaml
index 1de5fa8..76e58d4 100644
--- a/couchdb/Chart.yaml
+++ b/couchdb/Chart.yaml
@@ -1,6 +1,6 @@
apiVersion: v1
name: couchdb
-version: 4.3.1
+version: 4.4.0
appVersion: 3.3.2
description: A database featuring seamless multi-master sync, that scales from
big data to mobile, with an intuitive HTTP/JSON API and designed for
diff --git a/couchdb/README.md b/couchdb/README.md
index 5175d25..569837f 100644
--- a/couchdb/README.md
+++ b/couchdb/README.md
@@ -18,7 +18,7 @@
```bash
$ helm repo add couchdb https://apache.github.io/couchdb-helm
$ helm install couchdb/couchdb \
- --version=4.2.0 \
+ --version=4.4.0 \
--set allowAdminParty=true \
--set couchdbConfig.couchdb.uuid=$(curl https://www.uuidgenerator.net/api/version4 2>/dev/null | tr -d -)
```
@@ -44,7 +44,7 @@
```bash
$ helm install \
--name my-release \
- --version=4.2.0 \
+ --version=4.4.0 \
--set couchdbConfig.couchdb.uuid=decafbaddecafbaddecafbaddecafbad \
couchdb/couchdb
```
@@ -78,7 +78,7 @@
```bash
$ helm install \
--name my-release \
- --version=4.2.0 \
+ --version=4.4.0 \
--set createAdminSecret=false \
--set couchdbConfig.couchdb.uuid=decafbaddecafbaddecafbaddecafbad \
couchdb/couchdb
@@ -133,7 +133,7 @@
```bash
$ helm repo add couchdb https://apache.github.io/couchdb-helm
-$ helm upgrade my-release --version=4.2.0 couchdb/couchdb
+$ helm upgrade my-release --version=4.4.0 couchdb/couchdb
```
## Configuration
@@ -193,6 +193,10 @@
| `persistentVolume.volumeName` | |
| `persistentVolume.claimName` | |
| `persistentVolume.volumeSource` | |
+| `persistentVolume.annotations` | {} |
+| `podDisruptionBudget.enabled` | false |
+| `podDisruptionBudget.minAvailable` | nil |
+| `podDisruptionBudget.maxUnavailable` | 1 |
| `podManagementPolicy` | Parallel |
| `affinity` | |
| `topologySpreadConstraints` | |
diff --git a/couchdb/README.md.gotmpl b/couchdb/README.md.gotmpl
index 2bdd972..969c2d0 100644
--- a/couchdb/README.md.gotmpl
+++ b/couchdb/README.md.gotmpl
@@ -179,6 +179,9 @@
| `persistentVolume.accessModes` | ReadWriteOnce |
| `persistentVolume.storageClass` | Default for the Kube cluster |
| `persistentVolume.annotations` | {} |
+| `podDisruptionBudget.enabled` | false |
+| `podDisruptionBudget.minAvailable` | nil |
+| `podDisruptionBudget.maxUnavailable` | 1 |
| `podManagementPolicy` | Parallel |
| `affinity` | |
| `topologySpreadConstraints` | |
diff --git a/couchdb/templates/pdb.yaml b/couchdb/templates/pdb.yaml
new file mode 100644
index 0000000..4b79818
--- /dev/null
+++ b/couchdb/templates/pdb.yaml
@@ -0,0 +1,21 @@
+{{- if and .Values.podDisruptionBudget .Values.podDisruptionBudget.enabled }}
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+ name: "{{ .Release.Name }}-pdb"
+ labels:
+ app.kubernetes.io/managed-by: {{ .Release.Service | quote }}
+ app.kubernetes.io/instance: {{ .Release.Name | quote }}
+ app.kubernetes.io/version: {{ .Chart.AppVersion }}
+ helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+spec:
+ {{- if .Values.podDisruptionBudget.minAvailable }}
+ minAvailable: {{ .Values.podDisruptionBudget.minAvailable }}
+ {{- end }}
+ {{- if .Values.podDisruptionBudget.maxUnavailable }}
+ maxUnavailable: {{ .Values.podDisruptionBudget.maxUnavailable }}
+ {{- end }}
+ selector:
+ matchLabels:
+{{ include "couchdb.ss.selector" . | indent 6 }}
+{{- end }}
diff --git a/couchdb/values.yaml b/couchdb/values.yaml
index cc9878e..19b6b50 100644
--- a/couchdb/values.yaml
+++ b/couchdb/values.yaml
@@ -221,6 +221,13 @@
successThreshold: 1
timeoutSeconds: 1
+# Control an optional pod disruption budget
+podDisruptionBudget:
+ # toggle creation of pod disruption budget, disabled by default
+ enabled: false
+ # minAvailable: 1
+ maxUnavailable: 1
+
# CouchDB 3.2.0 adds in a metrics endpoint on the path `/_node/_local/_prometheus`.
# Optionally, a standalone, unauthenticated port can be exposed for these metrics.
prometheusPort:
