@helm-charts/bitnami-drupal v3.2.3-0.1.0
@helm-charts/bitnami-drupal
One of the most versatile open source content management systems.
Field | Value |
---|---|
Repository Name | bitnami |
Chart Name | drupal |
Chart Version | 3.2.3 |
NPM Package Version | 0.1.0 |
## Global Docker image parameters
## Please, note that this will override the image parameters, including dependencies, configured to use the global value
## Current available global Docker image parameters: imageRegistry and imagePullSecrets
##
# global:
# imageRegistry: myRegistryName
# imagePullSecrets:
# - myRegistryKeySecretName
## Bitnami Drupal image version
## ref: https://hub.docker.com/r/bitnami/drupal/tags/
##
image:
registry: docker.io
repository: bitnami/drupal
tag: 8.6.15
## Specify a imagePullPolicy
## Defaults to 'Always' if image tag is 'latest', else set to 'IfNotPresent'
## ref: http://kubernetes.io/docs/user-guide/images/#pre-pulling-images
##
pullPolicy: IfNotPresent
## Optionally specify an array of imagePullSecrets.
## Secrets must be manually created in the namespace.
## ref: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
##
# pullSecrets:
# - myRegistryKeySecretName
## Installation Profile
## ref: https://github.com/bitnami/bitnami-docker-drupal#configuration
##
drupalProfile: standard
## User of the application
## ref: https://github.com/bitnami/bitnami-docker-drupal#configuration
##
drupalUsername: user
## Application password
## Defaults to a random 10-character alphanumeric string if not set
## ref: https://github.com/bitnami/bitnami-docker-drupal#configuration
##
# drupalPassword:
## Admin email
## ref: https://github.com/bitnami/bitnami-docker-drupal#configuration
##
drupalEmail: user@example.com
## Set to `yes` to allow the container to be started with blank passwords
## ref: https://github.com/bitnami/bitnami-docker-drupal#environment-variables
allowEmptyPassword: 'yes'
##
## External database configuration
##
externalDatabase:
## Database host
# host:
## Database user
# user: bn_drupal
## Database password
# password:
## Database name
# database: bitnami_drupal
##
## MariaDB chart configuration
##
## https://github.com/helm/charts/blob/master/stable/mariadb/values.yaml
##
mariadb:
## Whether to deploy a mariadb server to satisfy the applications database requirements. To use an external database set this to false and configure the externalDatabase parameters
enabled: true
## Disable MariaDB replication
replication:
enabled: false
## Create a database and a database user
## ref: https://github.com/bitnami/bitnami-docker-mariadb/blob/master/README.md#creating-a-database-user-on-first-run
##
db:
name: bitnami_drupal
user: bn_drupal
## If the password is not specified, mariadb will generates a random password
##
# password:
## MariaDB admin password
## ref: https://github.com/bitnami/bitnami-docker-mariadb/blob/master/README.md#setting-the-root-password-on-first-run
##
# rootUser:
# password:
## Enable persistence using Persistent Volume Claims
## ref: http://kubernetes.io/docs/user-guide/persistent-volumes/
##
master:
persistence:
enabled: true
## mariadb data Persistent Volume Storage Class
## If defined, storageClassName: <storageClass>
## If set to "-", storageClassName: "", which disables dynamic provisioning
## If undefined (the default) or set to null, no storageClassName spec is
## set, choosing the default provisioner. (gp2 on AWS, standard on
## GKE, AWS & OpenStack)
##
# storageClass: "-"
accessMode: ReadWriteOnce
size: 8Gi
## Kubernetes configuration
## For minikube, set this to NodePort, elsewhere use LoadBalancer
## Use ClusterIP if your setup includes ingress controller
##
service:
type: LoadBalancer
# HTTP Port
port: 80
# HTTPS Port
httpsPort: 443
##
## nodePorts:
## http: <to set explicitly, choose port between 30000-32767>
## https: <to set explicitly, choose port between 30000-32767>
nodePorts:
http: ''
https: ''
## Enable client source IP preservation
## ref http://kubernetes.io/docs/tasks/access-application-cluster/create-external-load-balancer/#preserving-the-client-source-ip
##
externalTrafficPolicy: Cluster
## Configure the ingress resource that allows you to access the
## Drupal installation. Set up the URL
## ref: http://kubernetes.io/docs/user-guide/ingress/
##
ingress:
## Set to true to enable ingress record generation
enabled: false
## The list of hostnames to be covered with this ingress record.
## Most likely this will be just one host, but in the event more hosts are needed, this is an array
hosts:
- name: drupal.local
## Set this to true in order to enable TLS on the ingress record
## A side effect of this will be that the backend drupal service will be connected at port 443
tls: false
## Set this to true in order to add the corresponding annotations for cert-manager
certManager: false
## If TLS is set to true, you must declare what secret will store the key/certificate for TLS
tlsSecret: drupal.local-tls
## Ingress annotations done as key:value pairs
## For a full list of possible ingress annotations, please see
## ref: https://github.com/kubernetes/ingress-nginx/blob/master/docs/annotations.md
##
## If certManager is set to true, annotation kubernetes.io/tls-acme: "true" will automatically be set
annotations:
# kubernetes.io/ingress.class: nginx
## Enable persistence using Persistent Volume Claims
## ref: http://kubernetes.io/docs/user-guide/persistent-volumes/
##
persistence:
enabled: true
apache:
## apache data Persistent Volume Storage Class
## If defined, storageClassName: <storageClass>
## If set to "-", storageClassName: "", which disables dynamic provisioning
## If undefined (the default) or set to null, no storageClassName spec is
## set, choosing the default provisioner. (gp2 on AWS, standard on
## GKE, AWS & OpenStack)
##
# storageClass: "-"
accessMode: ReadWriteOnce
size: 1Gi
drupal:
## drupal data Persistent Volume Storage Class
## If defined, storageClassName: <storageClass>
## If set to "-", storageClassName: "", which disables dynamic provisioning
## If undefined (the default) or set to null, no storageClassName spec is
## set, choosing the default provisioner. (gp2 on AWS, standard on
## GKE, AWS & OpenStack)
##
# storageClass: "-"
accessMode: ReadWriteOnce
size: 8Gi
## A manually managed Persistent Volume Claim
## Requires persistence.enabled: true
## If defined, PVC must be created manually before volume will be bound
##
# existingClaim:
## If defined, the drupal-data volume will mount to the specified hostPath.
## Requires persistence.enabled: true
## Requires persistence.existingClaim: nil|false
## Default: nil.
##
# hostPath:
## Configure resource requests and limits
## ref: http://kubernetes.io/docs/user-guide/compute-resources/
##
resources:
requests:
memory: 512Mi
cpu: 300m
## Configure volume mounts. This is useful for images whose data mount paths are
## different than the default.
## Setting volumeMounts.apache.mountPath to "" prevents Apache config mount.
##
volumeMounts:
drupal:
mountPath: /bitnami/drupal
apache:
mountPath: /bitnami/apache
## Pass extra environment variables to the Drupal container.
##
# extraVars:
# - name: EXTRA_VAR_1
# value: extra-var-value-1
# - name: EXTRA_VAR_2
# value: extra-var-value-2
## Configure liveness and readiness probes.
## Drupal core exposes /user/login to unauthenticated requests, making it a good
## default liveness and readiness path. However, that may not always be the
## case. For example, if the image value is overridden to an image containing a
## module that alters that route, or an image that does not auto-install Drupal.
## ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-probes/
#
livenessProbe:
httpGet:
path: /user/login
port: http
initialDelaySeconds: 120
readinessProbe:
httpGet:
path: /user/login
port: http
initialDelaySeconds: 30
## Pod annotations
## ref: https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/
##
podAnnotations: {}
## Prometheus Exporter / Metrics
##
metrics:
enabled: false
image:
registry: docker.io
repository: lusotycoon/apache-exporter
tag: v0.5.0
pullPolicy: IfNotPresent
## Optionally specify an array of imagePullSecrets.
## Secrets must be manually created in the namespace.
## ref: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
##
# pullSecrets:
# - myRegistryKeySecretName
## Metrics exporter pod Annotation and Labels
podAnnotations:
prometheus.io/scrape: 'true'
prometheus.io/port: '9117'
## Metrics exporter resource requests and limits
## ref: http://kubernetes.io/docs/user-guide/compute-resources/
##
# resources: {}
Drupal
Drupal is one of the most versatile open source content management systems on the market.
TL;DR;
$ helm install stable/drupal
Introduction
This chart bootstraps a Drupal deployment on a Kubernetes cluster using the Helm package manager.
It also packages the Bitnami MariaDB chart which is required for bootstrapping a MariaDB deployment as a database for the Drupal application.
Bitnami charts can be used with Kubeapps for deployment and management of Helm Charts in clusters. This chart has been tested to work with NGINX Ingress, cert-manager, fluentd and Prometheus on top of the BKPR.
Prerequisites
- Kubernetes 1.4+ with Beta APIs enabled
- PV provisioner support in the underlying infrastructure
Installing the Chart
To install the chart with the release name my-release
:
$ helm install --name my-release stable/drupal
The command deploys Drupal on the Kubernetes cluster in the default configuration. The 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:
$ helm delete my-release
The command removes all the Kubernetes components associated with the chart and deletes the release.
Configuration
The following table lists the configurable parameters of the Drupal chart and their default values.
Parameter | Description | Default |
---|---|---|
global.imageRegistry | Global Docker image registry | nil |
global.imagePullSecrets | Global Docker registry secret names as an array | [] (does not add image pull secrets to deployed pods) |
image.registry | Drupal image registry | docker.io |
image.repository | Drupal Image name | bitnami/drupal |
image.tag | Drupal Image tag | {VERSION} |
image.pullPolicy | Drupal image pull policy | Always if imageTag is latest , else IfNotPresent |
image.pullSecrets | Specify docker-registry secret names as an array | [] (does not add image pull secrets to deployed pods) |
drupalProfile | Drupal installation profile | standard |
drupalUsername | User of the application | user |
drupalPassword | Application password | random 10 character long alphanumeric string |
drupalEmail | Admin email | user@example.com |
allowEmptyPassword | Allow DB blank passwords | yes |
extraVars | Extra environment variables | nil |
ingress.enabled | Enable ingress controller resource | false |
ingress.hosts[0].name | Hostname to your Drupal installation | drupal.local |
ingress.hosts[0].path | Path within the url structure | / |
ingress.hosts[0].tls | Utilize TLS backend in ingress | false |
ingress.hosts[0].certManager | Add annotations for cert-manager | false |
ingress.hosts[0].tlsSecret | TLS Secret (certificates) | drupal.local-tls-secret |
ingress.hosts[0].annotations | Annotations for this host's ingress record | [] |
ingress.secrets[0].name | TLS Secret Name | nil |
ingress.secrets[0].certificate | TLS Secret Certificate | nil |
ingress.secrets[0].key | TLS Secret Key | nil |
externalDatabase.host | Host of the external database | nil |
externalDatabase.user | Existing username in the external db | bn_drupal |
externalDatabase.password | Password for the above username | nil |
externalDatabase.database | Name of the existing database | bitnami_drupal |
mariadb.enabled | Whether to use the MariaDB chart | true |
mariadb.rootUser.password | MariaDB admin password | nil |
mariadb.db.name | Database name to create | bitnami_drupal |
mariadb.db.user | Database user to create | bn_drupal |
mariadb.db.password | Password for the database | random 10 character long alphanumeric string |
service.type | Kubernetes Service type | LoadBalancer |
service.port | Service HTTP port | 80 |
service.httpsPort | Service HTTPS port | 443 |
service.externalTrafficPolicy | Enable client source IP preservation | Cluster |
service.nodePorts.http | Kubernetes http node port | "" |
service.nodePorts.https | Kubernetes https node port | "" |
persistence.enabled | Enable persistence using PVC | true |
persistence.apache.storageClass | PVC Storage Class for Apache volume | nil (uses alpha storage class annotation) |
persistence.apache.accessMode | PVC Access Mode for Apache volume | ReadWriteOnce |
persistence.apache.size | PVC Storage Request for Apache volume | 1Gi |
persistence.drupal.storageClass | PVC Storage Class for Drupal volume | nil (uses alpha storage class annotation) |
persistence.drupal.accessMode | PVC Access Mode for Drupal volume | ReadWriteOnce |
persistence.drupal.existingClaim | An Existing PVC name | nil |
persistence.drupal.hostPath | Host mount path for Drupal volume | nil (will not mount to a host path) |
persistence.drupal.size | PVC Storage Request for Drupal volume | 8Gi |
resources | CPU/Memory resource requests/limits | Memory: 512Mi , CPU: 300m |
volumeMounts.drupal.mountPath | Drupal data volume mount path | /bitnami/drupal |
volumeMounts.apache.mountPath | Apache data volume mount path | /bitnami/apache |
podAnnotations | Pod annotations | {} |
metrics.enabled | Start a side-car prometheus exporter | false |
metrics.image.registry | Apache exporter image registry | docker.io |
metrics.image.repository | Apache exporter image name | lusotycoon/apache-exporter |
metrics.image.tag | Apache exporter image tag | v0.5.0 |
metrics.image.pullPolicy | Image pull policy | IfNotPresent |
metrics.image.pullSecrets | Specify docker-registry secret names as an array | [] (does not add image pull secrets to deployed pods) |
metrics.podAnnotations | Additional annotations for Metrics exporter pod | {prometheus.io/scrape: "true", prometheus.io/port: "9117"} |
metrics.resources | Exporter resource requests/limit | {} |
The above parameters map to the env variables defined in bitnami/drupal. For more information please refer to the bitnami/drupal image documentation.
Specify each parameter using the --set key=value[,key=value]
argument to helm install
. For example,
$ helm install --name my-release \
--set drupalUsername=admin,drupalPassword=password,mariadb.mariadbRootPassword=secretpassword \
stable/drupal
The above command sets the Drupal administrator account username and password to admin
and password
respectively. Additionally, it sets the MariaDB root
user password to secretpassword
.
Alternatively, a YAML file that specifies the values for the above parameters can be provided while installing the chart. For example,
$ helm install --name my-release -f values.yaml stable/drupal
Tip: You can use the default values.yaml
Image
The image
parameter allows specifying which image will be pulled for the chart.
Private registry
If you configure the image
value to one in a private registry, you will need to specify an image pull secret.
- Manually create image pull secret(s) in the namespace. See this YAML example reference. Consult your image registry's documentation about getting the appropriate secret.
- Note that the
imagePullSecrets
configuration value cannot currently be passed to helm using the--set
parameter, so you must supply these using avalues.yaml
file, such as:
imagePullSecrets:
- name: SECRET_NAME
- Install the chart
helm install --name my-release -f values.yaml stable/drupal
Persistence
The configured image must store Drupal data and Apache configurations in separate paths of the container.
The Bitnami Drupal image stores the Drupal data and Apache configurations at the /bitnami/drupal
and /bitnami/apache
paths of the container. If you wish to override the image
value, and your image stores this data and configurations in different paths, you may specify these paths with volumeMounts.drupal.mountPath
and volumeMounts.apache.mountPath
.
Persistent Volume Claims are used to keep the data across deployments. This is known to work in GCE, AWS, and minikube. See the Configuration section to configure the PVC or to disable persistence.
Existing PersistentVolumeClaim
- Create the PersistentVolume
- Create the PersistentVolumeClaim
- Install the chart
$ helm install --name my-release --set persistence.drupal.existingClaim=PVC_NAME stable/drupal
Host path
System compatibility
- The local filesystem accessibility to a container in a pod with
hostPath
has been tested on OSX/MacOS with xhyve, and Linux with VirtualBox. - Windows has not been tested with the supported VM drivers. Minikube does however officially support Mounting Host Folders per pod. Or you may manually sync your container whenever host files are changed with tools like docker-sync or docker-bg-sync.
Mounting steps
- The specified
hostPath
directory must already exist (create one if it does not). Install the chart
$ helm install --name my-release --set persistence.drupal.hostPath=/PATH/TO/HOST/MOUNT stable/drupal
This will mount the
drupal-data
volume into thehostPath
directory. The site data will be persisted if the mount path contains valid data, else the site data will be initialized at first launch.Because the container cannot control the host machine’s directory permissions, you must set the Drupal file directory permissions yourself and disable or clear Drupal cache. See Drupal Core’s INSTALL.txt for setting file permissions, and see Drupal handbook page to disable the cache, or Drush handbook to clear cache.
Upgrading
To 2.0.0
Backwards compatibility is not guaranteed unless you modify the labels used on the chart's deployments. Use the workaround below to upgrade from versions previous to 2.0.0. The following example assumes that the release name is drupal:
$ kubectl patch deployment drupal-drupal --type=json -p='[{"op": "remove", "path": "/spec/selector/matchLabels/chart"}]'
$ kubectl delete statefulset drupal-mariadb --cascade=false
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