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Chart.yaml
README.md
values.yaml

README.md

OpenLDAP Helm Chart

Prerequisites Details

  • Kubernetes 1.8+
  • PV support on the underlying infrastructure

Chart Details

This chart will do the following:

  • Instantiate an instance of OpenLDAP server

Installing the Chart

To install the chart with the release name my-release:

$ helm install --name my-release stable/openldap

Configuration

We use the docker images provided by https://github.com/osixia/docker-openldap. The docker image is highly configurable and well documented. Please consult to documentation for the docker image for more information.

The following table lists the configurable parameters of the openldap chart and their default values.

Parameter Description Default
replicaCount Number of replicas 1
strategy Deployment strategy {}
image.repository Container image repository osixia/openldap
image.tag Container image tag 1.1.10
image.pullPolicy Container pull policy IfNotPresent
extraLabels Labels to add to the Resources {}
existingSecret     Use an existing secret for admin and config user passwords ""
service.annotations Annotations to add to the service {}
service.clusterIP IP address to assign to the service ""
service.externalIPs Service external IP addresses []
service.ldapPort External service port for LDAP 389
service.loadBalancerIP IP address to assign to load balancer (if supported) ""
service.loadBalancerSourceRanges List of IP CIDRs allowed access to load balancer (if supported) []
service.sslLdapPort External service port for SSL+LDAP 636
service.type Service type ClusterIP
env List of key value pairs as env variables to be sent to the docker image. See https://github.com/osixia/docker-openldap for available ones [see values.yaml]
adminPassword Password for admin user. Unset to auto-generate the password None
configPassword Password for config user. Unset to auto-generate the password None
customLdifFiles Custom ldif files to seed the LDAP server. List of filename -> data pairs None
persistence.enabled Whether to use PersistentVolumes or not false
persistence.storageClass Storage class for PersistentVolumes. <unset>
persistence.accessMode Access mode for PersistentVolumes ReadWriteOnce
persistence.size PersistentVolumeClaim storage size 8Gi
resources Container resource requests and limits in yaml {}
test.enabled Conditionally provision test resources false
test.image.repository Test container image requires bats framework dduportal/bats
test.image.tag Test container tag 0.4.0

Specify each parameter using the --set key=value[,key=value] argument to helm install.

Alternatively, a YAML file that specifies the values for the parameters can be provided while installing the chart. For example,

$ helm install --name my-release -f values.yaml stable/openldap

Tip: You can use the default values.yaml

Cleanup orphaned Persistent Volumes

Deleting the Deployment will not delete associated Persistent Volumes if persistence is enabled.

Do the following after deleting the chart release to clean up orphaned Persistent Volumes.

$ kubectl delete pvc -l release=${RELEASE-NAME}

Custom Secret

existingSecret can be used to override the default secret.yaml provided

Testing

Helm tests are included and they confirm connection to slapd.

helm install . --set test.enabled=true
helm test <RELEASE_NAME>
RUNNING: foolish-mouse-openldap-service-test-akmms
PASSED: foolish-mouse-openldap-service-test-akmms

It will confirm that we can do an ldapsearch with the default credentials

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