OpenShift Inventory Generator

This role will create an OpenShift v3.11 inventory for different type of deployment .

Requirements

• Ansible

Role Variables

Variables	Required	Default	Description
deployment_type	X	standard	Defines the deployment type.
inventory_destination	X	~/workspace/openshift-inventory/inventory	Defines destination of inventory file
preappend_host_name	X	ocp-	preappend ocp- to the beginning of computer name example ocp1-master01.example.com
instances	X		Defines the name of master, infra, nodes and load load balancers deployed on system. The name automatically increments 01,02.
- name	X	- master - infra - node - lb	Defines the default name of the machine
- cluster_group	X	- masters - infra - nodes - lbs	Defines the cluster group for the enviornment. The is used to group the machines in the inventory.
- qty	X	- 1 - 2 - 2 - 1	Defines the number of each vm in the inventory file
domain	X	example.com	The default domain for the OpenShift Cluster
glusterfs	X	True	Red Hat Gluster Storage used for converged mode for persistent storage and dynamic provisioning for storage.
htpasswd_file_path	X	/home/example/openshift-ansible/passwordFile	Path to htpasswd file
openshift_release	X	3.11	OpenShift 3.11 release
openshift_image_tag	X	v3.11.141	Specify an exact container image tag to install or configure.
openshift_pkg_version	X	-3.11.141	Specify an exact rpm version to install or configure.
openshift_deployment_type	X	openshift-enterprise
rhsm_username	X		Red Hat user name required for openshift-enterprise
rhsm_password	X		Red Hat password required for openshift-enterprise
ssh_username	X		Default usernmae to ssh into machines
glusterfs_block_host_vol_size		190	Sets the size of the gluster block storage if enabled
metrics_storage_volume_size		10Gi	Sets the size of metrics if enabled.
Features
enable_firewalld		True	Set to true to use firewalld instead of the default iptables.
enable_openshift_operators		True	Enable Operator Lifecycle Manager (OLM)
enable_metrics		True	Enable cluster metrics during cluster installation.
enable_logging		False	Enable cluster logging during cluster installation
enable_prometheous_operator		False
Dependencies

---

Example Playbook

Minimal

- hosts: localhost
  gather_facts: no
  vars:
    ansible_connection: local
    remote_user: root
    deployment_type: minimal
    inventory_destination: inventory.3.11.rhel.minimal
    preappend_host_name: ocp-
    instances:
      - name: master
        cluster_group: masters
        qty: 1
      - name: infra
        cluster_group: infra
        qty: 2
      - name: node
        cluster_group: nodes
        qty: 2
      - name: lb
        cluster_group: lbs
        qty: 0
    domain: example.com # do not put a . in front of domain
    glusterfs: False
    htpasswd_file_path: "/home/example/openshift-ansible/passwordFile"
    openshift_release: "3.11"
    openshift_image_tag: v3.11.141
    openshift_pkg_version: -3.11.141
    openshift_deployment_type: openshift-enterprise
    ssh_username: example
    rhsm_username: "example"
    rhsm_password: "StrongPa22"
    enable_firewalld: True
  tasks:
    - include_role:
        name: openshift-inventory

Minimal Container Native Storage

- hosts: localhost
  gather_facts: no
  vars:
    ansible_connection: local
    remote_user: root
    deployment_type: minimal-cns
    inventory_destination: inventory.3.11.rhel.minimal.gluster
    preappend_host_name: ocp-
    instances:
      - name: master
        cluster_group: masters
        qty: 1
      - name: infra
        cluster_group: infra
        qty: 2
      - name: node
        cluster_group: nodes
        qty: 2
      - name: lb
        cluster_group: lbs
        qty: 0
    domain: lab.example # do not put a . in front of domain
    glusterfs: True
    glusterfs_block_host_vol_size: 190
    htpasswd_file_path: "/home/example/openshift-ansible/passwordFile"
    openshift_release: "3.11"
    openshift_image_tag: v3.11.141
    openshift_pkg_version: -3.11.141
    openshift_deployment_type: openshift-enterprise
    ssh_username: example
    rhsm_username: "example"
    rhsm_password: "StrongPa22"
    enable_firewalld: True
  tasks:
    - include_role:
        name: openshift-inventory

OpenShift Container Native Storage

- hosts: localhost
  gather_facts: no
  vars:
    ansible_connection: local
    remote_user: root
    deployment_type: standard
    inventory_destination: inventory.3.11.rhel.gluster
    preappend_host_name: ocp-
    instances:
      - name: master
        cluster_group: masters
        qty: 1
      - name: infra
        cluster_group: infra
        qty: 2
      - name: node
        cluster_group: nodes
        qty: 2
      - name: lb
        cluster_group: lbs
        qty: 0
    domain: example.com # do not put a . in front of domain
    glusterfs: True
    htpasswd_file_path: "/home/example/openshift-ansible/passwordFile"
    openshift_release: "3.11"
    openshift_image_tag: v3.11.141
    openshift_pkg_version: -3.11.141
    openshift_deployment_type: openshift-enterprise
    ssh_username: example
    rhsm_username: "example"
    rhsm_password: "StrongPa22"
    enable_firewalld: True
    glusterfs_block_host_vol_size: 190
    enable_openshift_operators: True
    enable_logging: False
    enable_prometheous_operator: False
    enable_metrics: True
    metrics_storage_volume_size: 10Gi
  tasks:
    - include_role:
        name: openshift-inventory

License

GPLv3

Author Information

This role was created in 2019 by Tosin Akinosho