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CKAN Helm Chart

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A Helm chart for CKAN

Current chart version is 1.0.2

This chart deploys a self contained CKAN instance with all of its dependencies. These can be enabled/disabled if they already exist in your infrastructure.

Two jobs for initializing Postgres and SOLR can also be enabled through the values. These will use the provided CKAN environment to set the access permissions for the ckan and datastore DB users as well as create a SOLR collection for the CKAN instance.

Prerequisites Details

  • Kubernetes 1.9
  • Install Helm
  • Setup correctly kubectl and kubeconfig setup before running helm.

Helm repo

The datapusher and ckan charts can be found on Keitaro's helm repo:

$ helm repo add keitaro-charts https://keitaro-charts.storage.googleapis.com

Deploy CKAN on kubernetes cluster

To deploy CKAN on kubernetes cluster with the release name <release-name>:

$ helm repo add keitaro-charts https://keitaro-charts.storage.googleapis.com
$ helm install <release-name> keitaro-charts/ckan

Configuration

Production deployment values can be set in values.yaml here. This file contains variables that will be passed to the templates. All configurable values should be placed in this file. Alternatively, you can specify each parameter using the --set key=value[,key=value] argument to helm install.

Cleanup

To remove the spawned pods you can run a simple helm delete <release-name>. Helm will however preserve created persistent volume claims, to also remove them execute the commands below.

$ release=<release-name>
$ helm delete $release
$ kubectl delete pvc -l release=$release

Chart Requirements

Repository Name Version
https://keitaro-charts.storage.googleapis.com postgresql 14.0.1
https://keitaro-charts.storage.googleapis.com redis 18.12.1
https://keitaro-charts.storage.googleapis.com solr 8.7.1
https://keitaro-charts.storage.googleapis.com datapusher 1.0.0

Chart Values

Key Type Default Description
CkanDBName string "ckan_default" Variable for name of the database used by CKAN
CkanDBPass string "pass" Variable for password for the CKAN database owner
CkanDBUser string "ckan_default" Variable for username for the owner of the CKAN database
DBDeploymentName string "postgres" Variable for name override for postgres deployment
DBHost string "postgres" Variable for name of headless svc from postgres deployment
DatapusherName string "datapusher" Variable for name override for datapusher deployment
DatastoreDBName string "datastore_default" Variable for name of the database used by Datastore
DatastoreRODBPass string "pass" Variable for password for the datastore database user with read access
DatastoreRODBUser string "datastorero" Variable for username for the user with read access to the datastore database
DatastoreRWDBPass string "pass" Variable for password for the datastore database user with write access
DatastoreRWDBUser string "datastorerw" Variable for username for the user with write access to the datastore database
MasterDBName string "postgres" Variable for name of the master user database in PostgreSQL
MasterDBPass string "pass" Variable for password for the master user in PostgreSQL
MasterDBUser string "postgres" Variable for master user name for PostgreSQL
RedisName string "redis" Variable for name override for redis deployment
SolrName string "solr" Variable for name override for solr deployment
affinity object {}
ckan.activityStreamsEmailNotifications string "true"
ckan.ckanPlugins string "envvars image_view text_view recline_view datastore datapusher" List of plugins to be used by the instance
ckan.datapusherCallbackUrlBase string "http://ckan" Location of the CKAN k8s service to be used by the Datapusher, overriding the default site url route.
ckan.datapusherUrl string "http://datapusher-headless:8000" Location of the datapusher service to be used by the CKAN instance
ckan.datastore.RoDbName string "datastore_default" Name of the database to be used for Datastore
ckan.datastore.RoDbPassword string "pass" Password for the datastore read permissions user
ckan.datastore.RoDbUrl string "postgres" Url of the PostgreSQL server where the datastore database is hosted
ckan.datastore.RoDbUser string "datastorero" Username for the datastore database with read permissions
ckan.datastore.RwDbName string "datastore_default" Name of the database to be used for Datastore
ckan.datastore.RwDbPassword string "pass" Password for the datastore write permissions user
ckan.datastore.RwDbUrl string "postgres" Url of the PostgreSQL server where the datastore database is hosted
ckan.datastore.RwDbUser string "datastorerw" Username for the datastore database with write permissions
ckan.db.ckanDbName string "ckan_default" Name of the database to be used by CKAN
ckan.db.ckanDbPassword string "pass" Password of the user for the database to be used by CKAN
ckan.db.ckanDbUrl string "postgres" Url of the PostgreSQL server where the CKAN database is hosted
ckan.db.ckanDbUser string "ckan_default" Username of the database to be used by CKAN
ckan.debug string "false"
ckan.extraEnv list [] An array to add extra environment variables For example: extraEnv: - name: FOO value: "bar"
ckan.issues.sendEmailNotifications string "true"
ckan.liveness.failureThreshold int 6 Failure threshold for the liveness probe
ckan.liveness.initialDelaySeconds int 10 Initial delay for the liveness probe
ckan.liveness.periodSeconds int 10 Check interval for the liveness probe
ckan.liveness.timeoutSeconds int 10 Timeout interval for the liveness probe
ckan.locale.default string "en"
ckan.locale.offered string "en"
ckan.maintenanceMode string "false" Set to true to disable CKAN from starting and serve a maintenance page
ckan.psql.initialize bool true Flag whether to initialize the PostgreSQL instance with the provided users and databases
ckan.psql.masterDatabase string "postgres" PostgreSQL database for the master user
ckan.psql.masterPassword string "pass" PostgreSQL master user password
ckan.psql.masterUser string "postgres" PostgreSQL master username
ckan.readiness.failureThreshold int 6 Failure threshold for the readiness probe
ckan.readiness.initialDelaySeconds int 10 Inital delay seconds for the readiness probe
ckan.readiness.periodSeconds int 10
ckan.readiness.timeoutSeconds int 10 Timeout interval for the readiness probe
ckan.redis string "redis://redis-headless:6379/0" Location of the Redis service to be used by the CKAN instance
ckan.siteId string "site-id-here" Site id
ckan.siteTitle string "Site Title here" Site title for the instance
ckan.siteUrl string "http://localhost:5000" Url for the CKAN instance
ckan.smtp.mailFrom string "[email protected]"
ckan.smtp.password string "smtpPassword"
ckan.smtp.server string "smtpServerURLorIP:port"
ckan.smtp.starttls string "true"
ckan.smtp.tls string "enabled"
ckan.smtp.user string "smtpUser"
ckan.solr string "http://solr-headless:8983/solr/ckancollection" Location of SOLR collection used by the instance
ckan.spatialBackend string "solr"
ckan.storagePath string "/var/lib/ckan/default" Storage path to be used by the instance
ckan.sysadminApiToken string "replace_this_with_generated_api_token_for_sysadmin" CKAN system admin API token Needs to be generated via the CKAN UI and replaced after initial deployment
ckan.sysadminEmail string "[email protected]" CKAN system admin email
ckan.sysadminName string "ckan_admin" CKAN system admin username
ckan.sysadminPassword string "PasswordHere" CKAN system admin password
datapusher.datapusher.chunkSize string "10240000" Size of chunks of the data that is being downloaded in bytes
datapusher.datapusher.datapusherRewriteResources string "True" Enable or disable (boolean) whether datapusher should rewrite resources uploaded to CKAN's filestore, since datapusher takes the CKAN Site URL value for generating the resource URL. Default: False
datapusher.datapusher.datapusherRewriteUrl string "http://ckan" Sets the rewrite URL that datapushed will rewrite resources that are uploaded to CKAN's filestore. Default: http://ckan:5000
datapusher.datapusher.datapusherSslVerify string "False" Enable or disable (boolean) verification of SSL when trying to get resources. Default: True
datapusher.datapusher.downloadTimeout string "300" Timeout limit of the download request
datapusher.datapusher.insertRows string "50000" Number of rows to take from the data and upload them as chunks to datastore
datapusher.datapusher.maxContentLength string "102400000"
datapusher.enabled bool true Flag to control whether to deploy the datapusher
datapusher.fullnameOverride string "datapusher" Name override for the datapusher deployment
fullnameOverride string "ckan"
image.pullPolicy string "IfNotPresent"
image.repository string "keitaro/ckan"
image.tag string "2.9.2"
imagePullSecrets list []
ingress.annotations object {}
ingress.enabled bool false
ingress.hosts[0].host string "chart-example.local"
ingress.hosts[0].paths list []
ingress.tls list []
ingressRoute.enabled bool false
ingressRoute.host string "chart-example.local" Used in conjunction with a Traefik v2 deployment
nameOverride string ""
nodeSelector object {}
podSecurityContext object {}
postgresql.enabled bool true Flag to control whether to deploy PostgreSQL
postgresql.existingSecret string "postgrescredentials" Name of existing secret that holds passwords for PostgreSQL
postgresql.fullnameOverride string "postgres" Name override for the PostgreSQL deployment
postgresql.persistence.size string "1Gi" Size of the PostgreSQL pvc
postgresql.pgPass string "pass" Password for the master PostgreSQL user. Feeds into the postgrescredentials secret that is provided to the PostgreSQL chart
pvc.enabled bool true
pvc.size string "1Gi"
pvc.storageClassName string ""
redis.cluster.enabled bool false Cluster mode for Redis
redis.enabled bool true Flag to control whether to deploy Redis
redis.fullnameOverride string "redis" Name override for the redis deployment
redis.master.persistence.enabled bool false Enable redis volume claim
redis.master.persistence.size string "1Gi" Size of the volume claim
redis.usePassword bool false Use password for accessing redis
replicaCount int 1
resources object {}
securityContext object {}
service.port int 80
service.type string "ClusterIP" Type of the service created for the CKAN pod
serviceAccount.annotations object {} Annotations to add to the service account
serviceAccount.create bool false Specifies whether a service account should be created
serviceAccount.name string nil The name of the service account to use. If not set and create is true, a name is generated using the fullname template
solr.enabled bool true Flag to control whether to deploy SOLR
solr.fullnameOverride string "solr" Name override for the SOLR deployment
solr.image.repository string "solr" Repository for the SOLR image
solr.image.tag string "6.6.6" Tag for the SOLR image
solr.initialize.configsetName string "ckanConfigSet" Name of the config set used for initializing
solr.initialize.enabled bool true Flag whether to initialize the SOLR instance with the provided collection name
solr.initialize.maxShardsPerNode int 10 Maximum shards per node
solr.initialize.numShards int 2 Number of shards for the SOLR collection
solr.initialize.replicationFactor int 1 Number of replicas for each SOLR shard
solr.replicaCount int 1 Number of SOLR instances in the cluster
solr.volumeClaimTemplates.storageSize string "5Gi" Size of Solr PVC
solr.zookeeper.persistence.size string "1Gi" Size of ZK PVC
solr.zookeeper.replicaCount int 1 Numer of Zookeeper replicas in the ZK cluster
tolerations list []