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packaging helm chart with consolidated config

This commit is contained in:
Martin McKeaveney 2021-12-06 17:19:53 +01:00
parent d818bd6dfa
commit 3c286623e0
21 changed files with 180 additions and 946 deletions

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# This is the chart version. This version number should be incremented each time you make changes
# to the chart and its templates, including the app version.
# Versions are expected to follow Semantic Versioning (https://semver.org/)
version: 0.2.2
version: 0.2.3
# This is the version number of the application being deployed. This version number should be
# incremented each time you make changes to the application. Versions are not expected to
# follow Semantic Versioning. They should reflect the version the application is using.
# It is recommended to use it with quotes.
appVersion: "0.9.169"
appVersion: "0.1.6"
dependencies:
- name: couchdb

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apiVersion: v1
appVersion: 3.1.0
description: A database featuring seamless multi-master sync, that scales from big
data to mobile, with an intuitive HTTP/JSON API and designed for reliability.
home: https://couchdb.apache.org/
icon: http://couchdb.apache.org/CouchDB-visual-identity/logo/CouchDB-couch-symbol.svg
keywords:
- couchdb
- database
- nosql
maintainers:
- email: kocolosk@apache.org
name: kocolosk
- email: willholley@apache.org
name: willholley
name: couchdb
sources:
- https://github.com/apache/couchdb-docker
version: 3.3.4

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# CouchDB
Apache CouchDB is a database featuring seamless multi-master sync, that scales
from big data to mobile, with an intuitive HTTP/JSON API and designed for
reliability.
This chart deploys a CouchDB cluster as a StatefulSet. It creates a ClusterIP
Service in front of the Deployment for load balancing by default, but can also
be configured to deploy other Service types or an Ingress Controller. The
default persistence mechanism is simply the ephemeral local filesystem, but
production deployments should set `persistentVolume.enabled` to `true` to attach
storage volumes to each Pod in the Deployment.
## TL;DR
```bash
$ helm repo add couchdb https://apache.github.io/couchdb-helm
$ helm install couchdb/couchdb \
--set allowAdminParty=true \
--set couchdbConfig.couchdb.uuid=$(curl https://www.uuidgenerator.net/api/version4 2>/dev/null | tr -d -)
```
## Prerequisites
- Kubernetes 1.9+ with Beta APIs enabled
- Ingress requires Kubernetes 1.14+
## Installing the Chart
To install the chart with the release name `my-release`:
Add the CouchDB Helm repository:
```bash
$ helm repo add couchdb https://apache.github.io/couchdb-helm
```
Afterwards install the chart replacing the UUID
`decafbaddecafbaddecafbaddecafbad` with a custom one:
```bash
$ helm install \
--name my-release \
--set couchdbConfig.couchdb.uuid=decafbaddecafbaddecafbaddecafbad \
couchdb/couchdb
```
This will create a Secret containing the admin credentials for the cluster.
Those credentials can be retrieved as follows:
```bash
$ kubectl get secret my-release-couchdb -o go-template='{{ .data.adminPassword }}' | base64 --decode
```
If you prefer to configure the admin credentials directly you can create a
Secret containing `adminUsername`, `adminPassword` and `cookieAuthSecret` keys:
```bash
$ kubectl create secret generic my-release-couchdb --from-literal=adminUsername=foo --from-literal=adminPassword=bar --from-literal=cookieAuthSecret=baz
```
If you want to set the `adminHash` directly to achieve consistent salts between
different nodes you need to addionally add the key `password.ini` to the secret:
```bash
$ kubectl create secret generic my-release-couchdb \
--from-literal=adminUsername=foo \
--from-literal=cookieAuthSecret=baz \
--from-file=./my-password.ini
```
With the following contents in `my-password.ini`:
```
[admins]
foo = <pbkdf2-hash>
```
and then install the chart while overriding the `createAdminSecret` setting:
```bash
$ helm install \
--name my-release \
--set createAdminSecret=false \
--set couchdbConfig.couchdb.uuid=decafbaddecafbaddecafbaddecafbad \
couchdb/couchdb
```
This Helm chart deploys CouchDB on the Kubernetes cluster in a default
configuration. The [configuration](#configuration) section lists
the parameters that can be configured during installation.
> **Tip**: List all releases using `helm list`
## Uninstalling the Chart
To uninstall/delete the `my-release` Deployment:
```bash
$ helm delete my-release
```
The command removes all the Kubernetes components associated with the chart and
deletes the release.
## Upgrading an existing Release to a new major version
A major chart version change (like v0.2.3 -> v1.0.0) indicates that there is an
incompatible breaking change needing manual actions.
### Upgrade to 3.0.0
Since version 3.0.0 setting the CouchDB server instance UUID is mandatory.
Therefore you need to generate a UUID and supply it as a value during the
upgrade as follows:
```bash
$ helm upgrade <release-name> \
--reuse-values \
--set couchdbConfig.couchdb.uuid=<UUID> \
couchdb/couchdb
```
## Migrating from stable/couchdb
This chart replaces the `stable/couchdb` chart previously hosted by Helm and continues the
version semantics. You can upgrade directly from `stable/couchdb` to this chart using:
```bash
$ helm repo add couchdb https://apache.github.io/couchdb-helm
$ helm upgrade my-release couchdb/couchdb
```
## Configuration
The following table lists the most commonly configured parameters of the
CouchDB chart and their default values:
| Parameter | Description | Default |
|---------------------------------|-------------------------------------------------------|----------------------------------------|
| `clusterSize` | The initial number of nodes in the CouchDB cluster | 3 |
| `couchdbConfig` | Map allowing override elements of server .ini config | *See below* |
| `allowAdminParty` | If enabled, start cluster without admin account | false (requires creating a Secret) |
| `createAdminSecret` | If enabled, create an admin account and cookie secret | true |
| `schedulerName` | Name of the k8s scheduler (other than default) | `nil` |
| `erlangFlags` | Map of flags supplied to the underlying Erlang VM | name: couchdb, setcookie: monster
| `persistentVolume.enabled` | Boolean determining whether to attach a PV to each node | false
| `persistentVolume.size` | If enabled, the size of the persistent volume to attach | 10Gi
| `enableSearch` | Adds a sidecar for Lucene-powered text search | false |
You can set the values of the `couchdbConfig` map according to the
[official configuration][4]. The following shows the map's default values and
required options to set:
| Parameter | Description | Default |
|---------------------------------|--------------------------------------------------------------------|----------------------------------------|
| `couchdb.uuid` | UUID for this CouchDB server instance ([Required in a cluster][5]) | |
| `chttpd.bind_address` | listens on all interfaces when set to any | any |
| `chttpd.require_valid_user` | disables all the anonymous requests to the port 5984 when true | false |
A variety of other parameters are also configurable. See the comments in the
`values.yaml` file for further details:
| Parameter | Default |
|--------------------------------------|----------------------------------------|
| `adminUsername` | admin |
| `adminPassword` | auto-generated |
| `adminHash` | |
| `cookieAuthSecret` | auto-generated |
| `image.repository` | couchdb |
| `image.tag` | 3.1.0 |
| `image.pullPolicy` | IfNotPresent |
| `searchImage.repository` | kocolosk/couchdb-search |
| `searchImage.tag` | 0.1.0 |
| `searchImage.pullPolicy` | IfNotPresent |
| `initImage.repository` | busybox |
| `initImage.tag` | latest |
| `initImage.pullPolicy` | Always |
| `ingress.enabled` | false |
| `ingress.hosts` | chart-example.local |
| `ingress.annotations` | |
| `ingress.path` | / |
| `ingress.tls` | |
| `persistentVolume.accessModes` | ReadWriteOnce |
| `persistentVolume.storageClass` | Default for the Kube cluster |
| `podManagementPolicy` | Parallel |
| `affinity` | |
| `annotations` | |
| `tolerations` | |
| `resources` | |
| `service.annotations` | |
| `service.enabled` | true |
| `service.type` | ClusterIP |
| `service.externalPort` | 5984 |
| `dns.clusterDomainSuffix` | cluster.local |
| `networkPolicy.enabled` | true |
| `serviceAccount.enabled` | true |
| `serviceAccount.create` | true |
| `serviceAccount.imagePullSecrets` | |
| `sidecars` | {} |
| `livenessProbe.enabled` | true |
| `livenessProbe.failureThreshold` | 3 |
| `livenessProbe.initialDelaySeconds` | 0 |
| `livenessProbe.periodSeconds` | 10 |
| `livenessProbe.successThreshold` | 1 |
| `livenessProbe.timeoutSeconds` | 1 |
| `readinessProbe.enabled` | true |
| `readinessProbe.failureThreshold` | 3 |
| `readinessProbe.initialDelaySeconds` | 0 |
| `readinessProbe.periodSeconds` | 10 |
| `readinessProbe.successThreshold` | 1 |
| `readinessProbe.timeoutSeconds` | 1 |
## Feedback, Issues, Contributing
General feedback is welcome at our [user][1] or [developer][2] mailing lists.
Apache CouchDB has a [CONTRIBUTING][3] file with details on how to get started
with issue reporting or contributing to the upkeep of this project. In short,
use GitHub Issues, do not report anything on Docker's website.
## Non-Apache CouchDB Development Team Contributors
- [@natarajaya](https://github.com/natarajaya)
- [@satchpx](https://github.com/satchpx)
- [@spanato](https://github.com/spanato)
- [@jpds](https://github.com/jpds)
- [@sebastien-prudhomme](https://github.com/sebastien-prudhomme)
- [@stepanstipl](https://github.com/sebastien-stepanstipl)
- [@amatas](https://github.com/amatas)
- [@Chimney42](https://github.com/Chimney42)
- [@mattjmcnaughton](https://github.com/mattjmcnaughton)
- [@mainephd](https://github.com/mainephd)
- [@AdamDang](https://github.com/AdamDang)
- [@mrtyler](https://github.com/mrtyler)
- [@kevinwlau](https://github.com/kevinwlau)
- [@jeyenzo](https://github.com/jeyenzo)
- [@Pinpin31.](https://github.com/Pinpin31)
[1]: http://mail-archives.apache.org/mod_mbox/couchdb-user/
[2]: http://mail-archives.apache.org/mod_mbox/couchdb-dev/
[3]: https://github.com/apache/couchdb/blob/master/CONTRIBUTING.md
[4]: https://docs.couchdb.org/en/stable/config/index.html
[5]: https://docs.couchdb.org/en/latest/setup/cluster.html#preparing-couchdb-nodes-to-be-joined-into-a-cluster

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couchdbConfig:
couchdb:
uuid: "decafbaddecafbaddecafbaddecafbad"

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sidecars:
- name: foo
image: "busybox"
imagePullPolicy: IfNotPresent
resources:
requests:
cpu: "0.1"
memory: 10Mi
command: ['while true; do echo "foo"; sleep 5; done;']

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[admins]
{{ .Values.adminUsername }} = {{ .Values.adminHash }}

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Apache CouchDB is starting. Check the status of the Pods using:
kubectl get pods --namespace {{ .Release.Namespace }} -l "app={{ template "couchdb.name" . }},release={{ .Release.Name }}"
Once all of the Pods are fully Ready, execute the following command to create
some required system databases:
kubectl exec --namespace {{ .Release.Namespace }} {{ if not .Values.allowAdminParty }}-it {{ end }}{{ template "couchdb.fullname" . }}-0 -c couchdb -- \
curl -s \
http://127.0.0.1:5984/_cluster_setup \
-X POST \
-H "Content-Type: application/json" \
{{- if .Values.allowAdminParty }}
-d '{"action": "finish_cluster"}'
{{- else }}
-d '{"action": "finish_cluster"}' \
-u <adminUsername>
{{- end }}
Then it's time to relax.

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{{/* vim: set filetype=mustache: */}}
{{/*
Expand the name of the chart.
*/}}
{{- define "couchdb.name" -}}
{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
{{- end -}}
{{/*
Create a default fully qualified app name.
We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
*/}}
{{- define "couchdb.fullname" -}}
{{- if .Values.fullnameOverride -}}
{{- printf "%s-%s" .Values.fullnameOverride .Chart.Name | trunc 63 | trimSuffix "-" -}}
{{- else -}}
{{- $name := default .Chart.Name .Values.nameOverride -}}
{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
{{- end -}}
{{- end -}}
{{/*
In the event that we create both a headless service and a traditional one,
ensure that the latter gets a unique name.
*/}}
{{- define "couchdb.svcname" -}}
{{- if .Values.fullnameOverride -}}
{{- printf "%s-svc-%s" .Values.fullnameOverride .Chart.Name | trunc 63 | trimSuffix "-" -}}
{{- else -}}
{{- $name := default .Chart.Name .Values.nameOverride -}}
{{- printf "%s-svc-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
{{- end -}}
{{- end -}}
{{/*
Create a random string if the supplied key does not exist
*/}}
{{- define "couchdb.defaultsecret" -}}
{{- if . -}}
{{- . | b64enc | quote -}}
{{- else -}}
{{- randAlphaNum 20 | b64enc | quote -}}
{{- end -}}
{{- end -}}
{{/*
Labels used to define Pods in the CouchDB statefulset
*/}}
{{- define "couchdb.ss.selector" -}}
app: {{ template "couchdb.name" . }}
release: {{ .Release.Name }}
{{- end -}}
{{/*
Generates a comma delimited list of nodes in the cluster
*/}}
{{- define "couchdb.seedlist" -}}
{{- $nodeCount := min 5 .Values.clusterSize | int }}
{{- range $index0 := until $nodeCount -}}
{{- $index1 := $index0 | add1 -}}
{{ $.Values.erlangFlags.name }}@{{ template "couchdb.fullname" $ }}-{{ $index0 }}.{{ template "couchdb.fullname" $ }}.{{ $.Release.Namespace }}.svc.{{ $.Values.dns.clusterDomainSuffix }}{{ if ne $index1 $nodeCount }},{{ end }}
{{- end -}}
{{- end -}}
{{/*
If serviceAccount.name is specified, use that, else use the couchdb instance name
*/}}
{{- define "couchdb.serviceAccount" -}}
{{- if .Values.serviceAccount.name -}}
{{- .Values.serviceAccount.name }}
{{- else -}}
{{- template "couchdb.fullname" . -}}
{{- end -}}
{{- end -}}
{{/*
Fail if couchdbConfig.couchdb.uuid is undefined
*/}}
{{- define "couchdb.uuid" -}}
{{- required "A value for couchdbConfig.couchdb.uuid must be set" (.Values.couchdbConfig.couchdb | default dict).uuid -}}
{{- end -}}

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apiVersion: v1
kind: ConfigMap
metadata:
name: {{ template "couchdb.fullname" . }}
labels:
app: {{ template "couchdb.name" . }}
chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
heritage: {{ .Release.Service | quote }}
release: {{ .Release.Name | quote }}
data:
inifile: |
{{ $couchdbConfig := dict "couchdb" (dict "uuid" (include "couchdb.uuid" .)) -}}
{{- $couchdbConfig := merge $couchdbConfig .Values.couchdbConfig -}}
{{- range $section, $settings := $couchdbConfig -}}
{{ printf "[%s]" $section }}
{{ range $key, $value := $settings -}}
{{ printf "%s = %s" $key ($value | toString) }}
{{ end }}
{{ end }}
seedlistinifile: |
[cluster]
seedlist = {{ template "couchdb.seedlist" . }}

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apiVersion: v1
kind: Service
metadata:
name: {{ template "couchdb.fullname" . }}
labels:
app: {{ template "couchdb.name" . }}
chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
spec:
clusterIP: None
publishNotReadyAddresses: true
ports:
- name: couchdb
port: 5984
selector:
{{ include "couchdb.ss.selector" . | indent 4 }}

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{{- if .Values.ingress.enabled -}}
{{- $serviceName := include "couchdb.fullname" . -}}
{{- $servicePort := .Values.service.externalPort -}}
{{- $path := .Values.ingress.path | quote -}}
apiVersion: networking.k8s.io/v1beta1
kind: Ingress
metadata:
name: {{ template "couchdb.fullname" . }}
labels:
app: {{ template "couchdb.name" . }}
chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
annotations:
{{- range $key, $value := .Values.ingress.annotations }}
{{ $key }}: {{ $value | quote }}
{{- end }}
spec:
rules:
{{- range $host := .Values.ingress.hosts }}
- host: {{ $host }}
http:
paths:
- path: {{ $path }}
backend:
serviceName: {{ $serviceName }}
servicePort: {{ $servicePort }}
{{- end -}}
{{- if .Values.ingress.tls }}
tls:
{{ toYaml .Values.ingress.tls | indent 4 }}
{{- end -}}
{{- end -}}

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{{- if .Values.networkPolicy.enabled }}
kind: NetworkPolicy
apiVersion: networking.k8s.io/v1
metadata:
name: {{ template "couchdb.fullname" . }}
labels:
app: {{ template "couchdb.name" . }}
chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
spec:
podSelector:
matchLabels:
{{ include "couchdb.ss.selector" . | indent 6 }}
ingress:
- ports:
- protocol: TCP
port: 5984
- ports:
- protocol: TCP
port: 9100
- protocol: TCP
port: 4369
from:
- podSelector:
matchLabels:
{{ include "couchdb.ss.selector" . | indent 14 }}
policyTypes:
- Ingress
{{- end }}

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{{- if .Values.createAdminSecret -}}
apiVersion: v1
kind: Secret
metadata:
name: {{ template "couchdb.fullname" . }}
labels:
app: {{ template "couchdb.fullname" . }}
chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
release: "{{ .Release.Name }}"
heritage: "{{ .Release.Service }}"
type: Opaque
data:
adminUsername: {{ template "couchdb.defaultsecret" .Values.adminUsername }}
adminPassword: {{ template "couchdb.defaultsecret" .Values.adminPassword }}
cookieAuthSecret: {{ template "couchdb.defaultsecret" .Values.cookieAuthSecret }}
{{- if .Values.adminHash }}
password.ini: {{ tpl (.Files.Get "password.ini") . | b64enc }}
{{- end -}}
{{- end -}}

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{{- if .Values.service.enabled -}}
apiVersion: v1
kind: Service
metadata:
name: {{ template "couchdb.svcname" . }}
labels:
app: {{ template "couchdb.name" . }}
chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
{{- if .Values.service.annotations }}
annotations:
{{ toYaml .Values.service.annotations | indent 4 }}
{{- end }}
spec:
ports:
- port: {{ .Values.service.externalPort }}
protocol: TCP
targetPort: 5984
type: {{ .Values.service.type }}
selector:
{{ include "couchdb.ss.selector" . | indent 4 }}
{{- end -}}

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{{- if .Values.serviceAccount.create }}
apiVersion: v1
kind: ServiceAccount
metadata:
name: {{ template "couchdb.serviceAccount" . }}
labels:
app: {{ template "couchdb.name" . }}
chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
{{- if .Values.serviceAccount.imagePullSecrets }}
imagePullSecrets:
{{ toYaml .Values.serviceAccount.imagePullSecrets }}
{{- end }}
{{- end }}

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apiVersion: apps/v1
kind: StatefulSet
metadata:
name: {{ template "couchdb.fullname" . }}
labels:
app: {{ template "couchdb.name" . }}
chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
spec:
replicas: {{ .Values.clusterSize }}
serviceName: {{ template "couchdb.fullname" . }}
podManagementPolicy: {{ .Values.podManagementPolicy }}
selector:
matchLabels:
{{ include "couchdb.ss.selector" . | indent 6 }}
template:
metadata:
labels:
{{ include "couchdb.ss.selector" . | indent 8 }}
{{- with .Values.annotations }}
annotations:
checksum/config: {{ include (print $.Template.BasePath "/configmap.yaml") . | sha256sum }}
{{ toYaml . | indent 8 }}
{{- end }}
spec:
{{- if .Values.schedulerName }}
schedulerName: "{{ .Values.schedulerName }}"
{{- end }}
{{- if .Values.serviceAccount.enabled }}
serviceAccountName: {{ template "couchdb.serviceAccount" . }}
{{- end }}
initContainers:
- name: init-copy
image: "{{ .Values.initImage.repository }}:{{ .Values.initImage.tag }}"
imagePullPolicy: {{ .Values.initImage.pullPolicy }}
command: ['sh','-c','cp /tmp/chart.ini /default.d; cp /tmp/seedlist.ini /default.d; ls -lrt /default.d;']
volumeMounts:
- name: config
mountPath: /tmp/
- name: config-storage
mountPath: /default.d
{{- if .Values.adminHash }}
- name: admin-hash-copy
image: "{{ .Values.initImage.repository }}:{{ .Values.initImage.tag }}"
imagePullPolicy: {{ .Values.initImage.pullPolicy }}
command: ['sh','-c','cp /tmp/password.ini /local.d/ ;']
volumeMounts:
- name: admin-password
mountPath: /tmp/password.ini
subPath: "password.ini"
- name: local-config-storage
mountPath: /local.d
{{- end }}
containers:
- name: couchdb
image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
imagePullPolicy: {{ .Values.image.pullPolicy }}
ports:
- name: couchdb
containerPort: 5984
- name: epmd
containerPort: 4369
- containerPort: 9100
env:
{{- if not .Values.allowAdminParty }}
- name: COUCHDB_USER
valueFrom:
secretKeyRef:
name: {{ template "couchdb.fullname" . }}
key: adminUsername
- name: COUCHDB_PASSWORD
valueFrom:
secretKeyRef:
name: {{ template "couchdb.fullname" . }}
key: adminPassword
- name: COUCHDB_SECRET
valueFrom:
secretKeyRef:
name: {{ template "couchdb.fullname" . }}
key: cookieAuthSecret
{{- end }}
- name: ERL_FLAGS
value: "{{ range $k, $v := .Values.erlangFlags }} -{{ $k }} {{ $v }} {{ end }}"
{{- if .Values.livenessProbe.enabled }}
livenessProbe:
{{- if .Values.couchdbConfig.chttpd.require_valid_user }}
exec:
command:
- sh
- -c
- curl -G --silent --fail -u ${COUCHDB_USER}:${COUCHDB_PASSWORD} http://localhost:5984/_up
{{- else }}
httpGet:
path: /_up
port: 5984
{{- end }}
failureThreshold: {{ .Values.livenessProbe.failureThreshold }}
initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
successThreshold: {{ .Values.livenessProbe.successThreshold }}
timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
{{- end }}
{{- if .Values.readinessProbe.enabled }}
readinessProbe:
{{- if .Values.couchdbConfig.chttpd.require_valid_user }}
exec:
command:
- sh
- -c
- curl -G --silent --fail -u ${COUCHDB_USER}:${COUCHDB_PASSWORD} http://localhost:5984/_up
{{- else }}
httpGet:
path: /_up
port: 5984
{{- end }}
failureThreshold: {{ .Values.readinessProbe.failureThreshold }}
initialDelaySeconds: {{ .Values.readinessProbe.initialDelaySeconds }}
periodSeconds: {{ .Values.readinessProbe.periodSeconds }}
successThreshold: {{ .Values.readinessProbe.successThreshold }}
timeoutSeconds: {{ .Values.readinessProbe.timeoutSeconds }}
{{- end }}
resources:
{{ toYaml .Values.resources | indent 12 }}
volumeMounts:
- name: config-storage
mountPath: /opt/couchdb/etc/default.d
{{- if .Values.adminHash }}
- name: local-config-storage
mountPath: /opt/couchdb/etc/local.d
{{- end }}
- name: database-storage
mountPath: /opt/couchdb/data
{{- if .Values.enableSearch }}
- name: clouseau
image: "{{ .Values.searchImage.repository }}:{{ .Values.searchImage.tag }}"
imagePullPolicy: {{ .Values.searchImage.pullPolicy }}
volumeMounts:
- name: database-storage
mountPath: /opt/couchdb-search/data
{{- end }}
{{- if .Values.sidecars }}
{{ toYaml .Values.sidecars | indent 8}}
{{- end }}
{{- if .Values.nodeSelector }}
nodeSelector:
{{ toYaml .Values.nodeSelector | indent 8 }}
{{- end }}
{{- with .Values.tolerations }}
tolerations:
{{ toYaml . | indent 8 }}
{{- end }}
{{- with .Values.affinity }}
affinity:
{{ toYaml . | indent 8 }}
{{- end }}
volumes:
- name: config-storage
emptyDir: {}
- name: config
configMap:
name: {{ template "couchdb.fullname" . }}
items:
- key: inifile
path: chart.ini
- key: seedlistinifile
path: seedlist.ini
{{- if .Values.adminHash }}
- name: local-config-storage
emptyDir: {}
- name: admin-password
secret:
secretName: {{ template "couchdb.fullname" . }}
{{- end -}}
{{- if not .Values.persistentVolume.enabled }}
- name: database-storage
emptyDir: {}
{{- else }}
volumeClaimTemplates:
- metadata:
name: database-storage
labels:
app: {{ template "couchdb.name" . }}
release: {{ .Release.Name }}
spec:
accessModes:
{{- range .Values.persistentVolume.accessModes }}
- {{ . | quote }}
{{- end }}
resources:
requests:
storage: {{ .Values.persistentVolume.size | quote }}
{{- if .Values.persistentVolume.storageClass }}
{{- if (eq "-" .Values.persistentVolume.storageClass) }}
storageClassName: ""
{{- else }}
storageClassName: "{{ .Values.persistentVolume.storageClass }}"
{{- end }}
{{- end }}
{{- end }}

View file

@ -1,201 +0,0 @@
## clusterSize is the initial size of the CouchDB cluster.
clusterSize: 3
## If allowAdminParty is enabled the cluster will start up without any database
## administrator account; i.e., all users will be granted administrative
## access. Otherwise, the system will look for a Secret called
## <ReleaseName>-couchdb containing `adminUsername`, `adminPassword` and
## `cookieAuthSecret` keys. See the `createAdminSecret` flag.
## ref: https://kubernetes.io/docs/concepts/configuration/secret/
allowAdminParty: false
## If createAdminSecret is enabled a Secret called <ReleaseName>-couchdb will
## be created containing auto-generated credentials. Users who prefer to set
## these values themselves have a couple of options:
##
## 1) The `adminUsername`, `adminPassword`, `adminHash`, and `cookieAuthSecret`
## can be defined directly in the chart's values. Note that all of a chart's
## values are currently stored in plaintext in a ConfigMap in the tiller
## namespace.
##
## 2) This flag can be disabled and a Secret with the required keys can be
## created ahead of time.
createAdminSecret: true
# adminUsername: budibase
# adminPassword: budibase
# adminHash: -pbkdf2-this_is_not_necessarily_secure_either
# cookieAuthSecret: admin
## When enabled, will deploy a networkpolicy that allows CouchDB pods to
## communicate with each other for clustering and ingress on port 5984
networkPolicy:
enabled: true
## Use an alternate scheduler, e.g. "stork".
## ref: https://kubernetes.io/docs/tasks/administer-cluster/configure-multiple-schedulers/
##
# schedulerName:
# Use a service account
serviceAccount:
enabled: true
create: true
# name:
# imagePullSecrets:
# - name: myimagepullsecret
## The storage volume used by each Pod in the StatefulSet. If a
## persistentVolume is not enabled, the Pods will use `emptyDir` ephemeral
## local storage. Setting the storageClass attribute to "-" disables dynamic
## provisioning of Persistent Volumes; leaving it unset will invoke the default
## provisioner.
persistentVolume:
enabled: false
accessModes:
- ReadWriteOnce
size: 10Gi
storageClass: ""
## The CouchDB image
image:
repository: couchdb
tag: 3.1.0
pullPolicy: IfNotPresent
## Experimental integration with Lucene-powered fulltext search
searchImage:
repository: kocolosk/couchdb-search
tag: 0.2.0
pullPolicy: IfNotPresent
## Flip this to flag to include the Search container in each Pod
enableSearch: true
initImage:
repository: busybox
tag: latest
pullPolicy: Always
## CouchDB is happy to spin up cluster nodes in parallel, but if you encounter
## problems you can try setting podManagementPolicy to the StatefulSet default
## `OrderedReady`
podManagementPolicy: Parallel
## To better tolerate Node failures, we can prevent Kubernetes scheduler from
## assigning more than one Pod of CouchDB StatefulSet per Node using podAntiAffinity.
affinity: {}
# podAntiAffinity:
# requiredDuringSchedulingIgnoredDuringExecution:
# - labelSelector:
# matchExpressions:
# - key: "app"
# operator: In
# values:
# - couchdb
# topologyKey: "kubernetes.io/hostname"
## Optional pod annotations
annotations: {}
## Optional tolerations
tolerations: []
## A StatefulSet requires a headless Service to establish the stable network
## identities of the Pods, and that Service is created automatically by this
## chart without any additional configuration. The Service block below refers
## to a second Service that governs how clients connect to the CouchDB cluster.
service:
# annotations:
enabled: true
type: ClusterIP
externalPort: 5984
## An Ingress resource can provide name-based virtual hosting and TLS
## termination among other things for CouchDB deployments which are accessed
## from outside the Kubernetes cluster.
## ref: https://kubernetes.io/docs/concepts/services-networking/ingress/
ingress:
enabled: false
hosts:
- chart-example.local
path: /
annotations: []
# kubernetes.io/ingress.class: nginx
# kubernetes.io/tls-acme: "true"
tls:
# Secrets must be manually created in the namespace.
# - secretName: chart-example-tls
# hosts:
# - chart-example.local
## Optional resource requests and limits for the CouchDB container
## ref: http://kubernetes.io/docs/user-guide/compute-resources/
resources:
{}
# requests:
# cpu: 100m
# memory: 128Mi
# limits:
# cpu: 56
# memory: 256Gi
## erlangFlags is a map that is passed to the Erlang VM as flags using the
## ERL_FLAGS env. `name` and `setcookie` flags are minimally required to
## establish connectivity between cluster nodes.
## ref: http://erlang.org/doc/man/erl.html#init_flags
erlangFlags:
name: couchdb
setcookie: monster
## couchdbConfig will override default CouchDB configuration settings.
## The contents of this map are reformatted into a .ini file laid down
## by a ConfigMap object.
## ref: http://docs.couchdb.org/en/latest/config/index.html
couchdbConfig:
couchdb:
uuid: budibase-couchdb # REQUIRED: Unique identifier for this CouchDB server instance
# cluster:
# q: 8 # Create 8 shards for each database
chttpd:
bind_address: any
# chttpd.require_valid_user disables all the anonymous requests to the port
# 5984 when is set to true.
require_valid_user: false
# Kubernetes local cluster domain.
# This is used to generate FQDNs for peers when joining the CouchDB cluster.
dns:
clusterDomainSuffix: cluster.local
## Configure liveness and readiness probe values
## Ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-probes/#configure-probes
livenessProbe:
enabled: true
failureThreshold: 3
initialDelaySeconds: 0
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
readinessProbe:
enabled: true
failureThreshold: 3
initialDelaySeconds: 0
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
# Configure arbitrary sidecar containers for CouchDB pods created by the
# StatefulSet
sidecars: {}
# - name: foo
# image: "busybox"
# imagePullPolicy: IfNotPresent
# resources:
# requests:
# cpu: "0.1"
# memory: 10Mi
# command: ['echo "foo";']
# volumeMounts:
# - name: database-storage
# mountPath: /opt/couchdb/data/

View file

@ -126,12 +126,10 @@ services:
couchdb:
enabled: true
replicaCount: 3
# url: "" # only change if pointing to existing couch server
# user: "" # only change if pointing to existing couch server
# password: "" # only change if pointing to existing couch server
port: 5984
storage: 100Mi
redis:
enabled: true # disable if using external redis
@ -151,3 +149,151 @@ services:
region: "" # AWS_REGION if using S3 or existing minio secret
url: "" # only change if pointing to existing minio cluster and minio: false
storage: 100Mi
# Override values in couchDB subchart
couchdb:
## clusterSize is the initial size of the CouchDB cluster.
clusterSize: 3
allowAdminParty: false
# Secret Management
createAdminSecret: true
# adminUsername: budibase
# adminPassword: budibase
# adminHash: -pbkdf2-this_is_not_necessarily_secure_either
# cookieAuthSecret: admin
## When enabled, will deploy a networkpolicy that allows CouchDB pods to
## communicate with each other for clustering and ingress on port 5984
networkPolicy:
enabled: true
# Use a service account
serviceAccount:
enabled: true
create: true
# name:
# imagePullSecrets:
# - name: myimagepullsecret
## The storage volume used by each Pod in the StatefulSet. If a
## persistentVolume is not enabled, the Pods will use `emptyDir` ephemeral
## local storage. Setting the storageClass attribute to "-" disables dynamic
## provisioning of Persistent Volumes; leaving it unset will invoke the default
## provisioner.
persistentVolume:
enabled: false
accessModes:
- ReadWriteOnce
size: 10Gi
storageClass: ""
## The CouchDB image
image:
repository: couchdb
tag: 3.1.0
pullPolicy: IfNotPresent
## Experimental integration with Lucene-powered fulltext search
enableSearch: true
searchImage:
repository: kocolosk/couchdb-search
tag: 0.2.0
pullPolicy: IfNotPresent
initImage:
repository: busybox
tag: latest
pullPolicy: Always
## CouchDB is happy to spin up cluster nodes in parallel, but if you encounter
## problems you can try setting podManagementPolicy to the StatefulSet default
## `OrderedReady`
podManagementPolicy: Parallel
## Optional pod annotations
annotations: {}
## Optional tolerations
tolerations: []
service:
# annotations:
enabled: true
type: ClusterIP
externalPort: 5984
## An Ingress resource can provide name-based virtual hosting and TLS
## termination among other things for CouchDB deployments which are accessed
## from outside the Kubernetes cluster.
## ref: https://kubernetes.io/docs/concepts/services-networking/ingress/
ingress:
enabled: false
hosts:
- chart-example.local
path: /
annotations: []
# kubernetes.io/ingress.class: nginx
# kubernetes.io/tls-acme: "true"
tls:
# Secrets must be manually created in the namespace.
# - secretName: chart-example-tls
# hosts:
# - chart-example.local
## Optional resource requests and limits for the CouchDB container
## ref: http://kubernetes.io/docs/user-guide/compute-resources/
resources:
{}
# requests:
# cpu: 100m
# memory: 128Mi
# limits:
# cpu: 56
# memory: 256Gi
## erlangFlags is a map that is passed to the Erlang VM as flags using the
## ERL_FLAGS env. `name` and `setcookie` flags are minimally required to
## establish connectivity between cluster nodes.
## ref: http://erlang.org/doc/man/erl.html#init_flags
erlangFlags:
name: couchdb
setcookie: monster
## couchdbConfig will override default CouchDB configuration settings.
## The contents of this map are reformatted into a .ini file laid down
## by a ConfigMap object.
## ref: http://docs.couchdb.org/en/latest/config/index.html
couchdbConfig:
couchdb:
uuid: budibase-couchdb # REQUIRED: Unique identifier for this CouchDB server instance
# cluster:
# q: 8 # Create 8 shards for each database
chttpd:
bind_address: any
# chttpd.require_valid_user disables all the anonymous requests to the port
# 5984 when is set to true.
require_valid_user: false
# Kubernetes local cluster domain.
# This is used to generate FQDNs for peers when joining the CouchDB cluster.
dns:
clusterDomainSuffix: cluster.local
## Configure liveness and readiness probe values
## Ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-probes/#configure-probes
livenessProbe:
enabled: true
failureThreshold: 3
initialDelaySeconds: 0
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
readinessProbe:
enabled: true
failureThreshold: 3
initialDelaySeconds: 0
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1

30
scripts/index.yaml Normal file
View file

@ -0,0 +1,30 @@
apiVersion: v1
entries:
budibase:
- apiVersion: v2
appVersion: 0.1.6
created: "2021-12-06T17:18:57.819135+01:00"
dependencies:
- condition: services.couchdb.enabled
name: couchdb
repository: https://apache.github.io/couchdb-helm
version: 3.3.4
- condition: ingress.nginx
name: ingress-nginx
repository: https://github.com/kubernetes/ingress-nginx
version: 3.35.0
description: Budibase is an open source low-code platform, helping thousands of teams build apps for their workplace in minutes.
digest: 5bd6418e9a78bf4d8df6de077d4392a647ea30324e33cae38da480e162af3c22
keywords:
- low-code
- database
- cluster
name: budibase
sources:
- https://github.com/Budibase/budibase
- https://budibase.com
type: application
urls:
- https://budibase.github.io/budibase/budibase-0.2.3.tgz
version: 0.2.3
generated: "2021-12-06T17:18:57.814315+01:00"