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README-hostgroup.md

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Hostgroup module

Description

The hostgroup module allows to ensure presence and absence of hostgroups and members of hostgroups.

The hostgroup module is as compatible as possible to the Ansible upstream ipa_hostgroup module, but additionally offers to make sure that hosts are present or absent in a hostgroup.

Features

  • Hostgroup management

Supported FreeIPA Versions

FreeIPA versions 4.4.0 and up are supported by the ipahostgroup module.

Some variables are only supported on newer versions of FreeIPA. Check Variables section for details.

Requirements

Controller

  • Ansible version: 2.8+

Node

  • Supported FreeIPA version (see above)

Usage

Example inventory file

[ipaserver]
ipaserver.test.local

Example playbook to make sure hostgroup databases exists:

---
- name: Playbook to handle hostgroups
  hosts: ipaserver
  become: true

  tasks:
  # Ensure host-group databases is present
  - ipahostgroup:
      ipaadmin_password: SomeADMINpassword
      name: databases
      host:
      - db.example.com
      hostgroup:
      - mysql-server
      - oracle-server

Example playbook to make sure that hosts and hostgroups are present in existing databases hostgroup:

---
- name: Playbook to handle hostgroups
  hosts: ipaserver
  become: true

  tasks:
  # Ensure hosts and hostgroups are present in existing databases hostgroup
  - ipahostgroup:
      ipaadmin_password: SomeADMINpassword
      name: databases
      host:
      - db.example.com
      hostgroup:
      - mysql-server
      - oracle-server
      action: member

action controls if a the hostgroup or member will be handled. To add or remove members, set action to member.

Example playbook to make sure hosts and hostgroups are absent in databases hostgroup:

---
- name: Playbook to handle hostgroups
  hosts: ipaserver
  become: true

  tasks:
  # Ensure hosts and hostgroups are absent in databases hostgroup
  - ipahostgroup:
      ipaadmin_password: SomeADMINpassword
      name: databases
      host:
      - db.example.com
      hostgroup:
      - mysql-server
      - oracle-server
      action: member
      state: absent

Example playbook to rename an existing playbook:

---
- name: Playbook to handle hostgroups
  hosts: ipaserver
  become: true

  tasks:
  # Ensure host-group databases is absent
  - ipahostgroup:
      ipaadmin_password: SomeADMINpassword
      name: databases
      rename: datalake
      state: renamed

Example playbook to make sure host-group databases is absent:

---
- name: Playbook to handle hostgroups
  hosts: ipaserver
  become: true

  tasks:
  # Ensure host-group databases is absent
  - ipahostgroup:
      ipaadmin_password: SomeADMINpassword
      name: databases
      state: absent

Variables

Variable Description Required
ipaadmin_principal The admin principal is a string and defaults to admin no
ipaadmin_password The admin password is a string and is required if there is no admin ticket available on the node no
ipaapi_context The context in which the module will execute. Executing in a server context is preferred. If not provided context will be determined by the execution environment. Valid values are server and client. no
ipaapi_ldap_cache Use LDAP cache for IPA connection. The bool setting defaults to yes. (bool) no
name | cn The list of hostgroup name strings. no
description The hostgroup description string. no
nomembers Suppress processing of membership attributes. (bool) no
host List of host name strings assigned to this hostgroup. no
hostgroup List of hostgroup name strings assigned to this hostgroup. no
membermanager_user List of member manager users assigned to this hostgroup. Only usable with IPA versions 4.8.4 and up. no
membermanager_group List of member manager groups assigned to this hostgroup. Only usable with IPA versions 4.8.4 and up. no
rename | new_name Rename hostgroup to the provided name. Only usable with IPA versions 4.8.7 and up. no
action Work on hostgroup or member level. It can be on of member or hostgroup and defaults to hostgroup. no
state The state to ensure. It can be one of present, absent or renamed, default: present. no

Authors

Thomas Woerner