tosin2013.nfs_provisioner_role

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NFS Provisioner Role

The nfs-provisioner role will configure a Qubinode device to use NFS for OpenShift persistant storage. It configures the Kubernetes NFS-Client Provisioner and setup up the OpenShift internal registry to use a NFS backed PVC.

The nfs-provisioner configure the Qubinode as NFS server.

Requirements

This role is intended to be executed on a Qubinode.

Understanding OpenShift Persistent Storage Types

Access Mode CLI Abbreviation Description
ReadWriteOnce RWO The volume can be mounted as read-write by a single node.
ReadOnlyMany ROX The volume can be mounted as read-only by many nodes.
ReadWriteMany RWX The volume can be mounted as read-write by many nodes.

Supported Access modes For PVs

Volume Plug-in ReadWriteOnce ReadOnlyMany ReadWriteMany targetserver
AWS EBS :heavy_check_mark: :x: :x:
Azure File :heavy_check_mark: :heavy_check_mark: :heavy_check_mark:
Azure Disk :heavy_check_mark: :x: :x:
Cinder :heavy_check_mark: :x: :x:
Fibre Channel :heavy_check_mark: :heavy_check_mark: :x:
GCE Persistent Disk :heavy_check_mark: :x: :x:
HostPath :heavy_check_mark: :x: :x:
iSCSI :heavy_check_mark: :heavy_check_mark: :x:
Local volume :heavy_check_mark: :x: :x:
NFS :heavy_check_mark: :heavy_check_mark: :heavy_check_mark:
VMware vSphere :heavy_check_mark: :x: :x:

Role Variables

Type Description Default Value
use_token Using login token to connect to OpenShift Cluster. true
provision_nfs_server Install and configure nfs server packages true
nfs_server_directory_path Set Directory path of nfs storage /exports
provision_nfs_client_provisoner Configure the nfs-provisioner container on OpenShift true
configure_registry Configure Registry with nfs-provisioner storage false
nfs_server_ip Set the ip address of the nfs server 192.168.1.2
registry_pvc_size Configure the default size of regisitry 100Gi
kubeconfig_dir location of auth/kubeconfig "/home/qubi/qubinode-installer/ocp4"
nfs_project_namespace OpenShift Project name for the nfs-provisioner nfs-provisioner
nfs_provisioner_rbac_object_file default path of yaml file "/usr/local/src/nfs-provisioner-rbac.yaml"
nfs_provisioner_deploy_loc default path of yaml file "/usr/local/src/nfs-provisioner-deployment.yaml"
nfs_provisioner_sc_object_file default path of yaml file "/usr/local/src/nfs-provisioner-sc.yaml"
storage_class_name default storage class name nfs-storage-provisioner
nfs_registry_pvc_object_file default path of yaml file "/usr/local/src/registry-pvc.yaml"
delete_deployment delete the deployment and project for nfs-provisioner false
insecure_skip_tls_verify Skip insecure tls verify true

Dependencies

  • Ansible
  • OpenShift cli

Example Playbook

Example using token to deploy to nfs-provisioner OpenShift

- hosts: localhost
  become: yes
  vars:
    use_token: true
    provision_nfs_server: true
    nfs_server_directory_path: /export
    provision_nfs_provisoner: true
    configure_registry: true
    nfs_server_ip:  changeme
    registry_pvc_size: 100Gi
    storage_class_result: true
    openshift_token: 1234567890
    openshift_url: https://master.example.com:6443 #https://master.example.com for openshift 3
    openshift_version: ocp4
    project_namespace: nfs-provisioner
    set_as_default: true
    delete_deployment: false
    insecure_skip_tls_verify: true
  roles:
  - nfs-provisioner-role

Example using kubeconfig to deploy to nfs-provisioner OpenShift

    - hosts: targetserver
      become: yes
      vars:
        provision_nfs_server: true
        nfs_server_directory_path: /export
        provision_nfs_client_provisoner: true
        configure_registry: false
        nfs_server_ip:  changeme
        registry_pvc_size: 100Gi
        storage_class_result: true
        kubeconfig_dir: "/home/qubi/qubinode-installer/ocp4"
        openshift_version: ocp4
        nfs_project_namespace: nfs-provisioner
        delete_deployment: false
        insecure_skip_tls_verify: true
      roles:
      - nfs-provisioner-role

License

GPLv3

Author Information

This role was created in 2019 by Tosin Akinosho

About

This role will configure an NFS Server and a nfs-provisioner container in OpenShift.

role nfs openshift provisoner server
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ansible-galaxy install tosin2013.nfs_provisioner_role
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Tosin Akinosho
Principal Solution Architect RedHat. Enthusiast in Cloud, DevOps, and AI. Specializing in AWS, GCP, Azure, Docker, Kubernetes, and Terraform.