---

# ---
# Install nis
# ---

- name: (nis-install-server.yml) Set (nis) default domain (/etc/defaultdomain)
  template:
    dest: /etc/defaultdomain  
    src: etc/defaultdomain.j2
    owner: root
    group: root
    mode: 0644
  tags:
    - nis-install
    - nis-install-server

- name: (nis-install-server.yml) Install nis common packages
  package:
    name: "{{ item }}"
    state: present
  with_items: "{{ nis_common_packages }}"
  register: nis_installed
  tags:
    - nis-install
    - nis-install-server


# ---
# /etc/default/nis
# ---

- name: (nis-install-server.yml) Check if file '/etc/default/nis.ORIG' exists
  stat:
    path: /etc/default/nis.ORIG
  register: default_nis_exists
  tags:
    - nis-install
    - nis-install-server

- name: (nis-install-server.yml) Backup existing file /etc/default/nis
  command: cp -a /etc/default/nis /etc/default/nis.ORIG
  when:
    - default_nis_exists.stat.exists == False
  tags:
    - nis-install
    - nis-install-server

- name: (nis-install-server.yml) Adjust file /etc/default/nis - set 'NISSERVER' (server)
  replace:
    path: /etc/default/nis
    regexp: '^NISSERVER=.*'
    replace: 'NISSERVER=master'
  tags:
    - nis-install
    - nis-install-server

- name: (nis-install-server.yml) Adjust file /etc/default/nis - set 'NISCLIENT' (server)
  replace:
    path: /etc/default/nis
    regexp: '^NISCLIENT=.*'
    replace: 'NISCLIENT=false'
  tags:
    - nis-install
    - nis-install-server


# ---
# /etc/ypserv.securenets
# ---

- name: (nis-install-server.yml) Check if file '/etc/ypserv.securenets.ORIG' exists
  stat:
    path: /etc/ypserv.securenets.ORIG
  register: ypserv_securenets_orig_exists
  tags:
    - nis-install
    - nis-install-server

- name: (nis-install-server.yml) Backup existing file /etc/ypserv.securenets
  command: cp -a /etc/ypserv.securenets /etc/ypserv.securenets.ORIG
  when:
    - ypserv_securenets_orig_exists.stat.exists == False
  tags:
    - nis-install
    - nis-install-server

- name: (nis-install-client.yml) Comment line like '0.0.0.0 ..' to file /etc/ypserv.securenets
  replace:
    path: /etc/ypserv.securenets
    regexp: '^(0.0.0.0\s+.*)'
    replace: '#\1'
  tags:
    - nis-install
    - nis-install-client

- name: (nis-install-server.yml) Add '255.255.0.0 192.168.0.0' to file /etc/ypserv.securenets
  lineinfile:
    path: /etc/ypserv.securenets
    line: '255.255.0.0 192.168.0.0'
    insertafter: EOF
    state: present
    owner: root
    group: root
    mode: '0644'
  tags:
    - nis-install
    - nis-install-client

- name: (nis-install-server.yml) Add '255.0.0.0 10.0.0.0' to file /etc/ypserv.securenets
  lineinfile:
    path: /etc/ypserv.securenets
    line: '255.0.0.0 10.0.0.0'
    insertafter: EOF
    state: present
    owner: root
    group: root
    mode: '0644'
  tags:
    - nis-install
    - nis-install-server

- name: (nis-install-server.yml) Trigger '/usr/lib/yp/ypinit -m'
  shell: printf '\n' | /usr/lib/yp/ypinit -m
  when: nis_installed.changed
  tags:
    - nis-install
    - nis-install-server


# ---
# Base directory containing users' home directory
# ---

- name: (nis-install-server.yml) Ensure directoriy 'nis_base_home' (usually /data/home) exists
  file:
    path: '{{  nis_base_home}}'
    owner: root
    group: root
    mode: '0755'
    state: directory
  when:
    - "groups['nfs_server']|string is search(inventory_hostname)"
  tags:
    - nis-install
    - nis-install-server


# ---
# /etc/adduser.conf
# ---

- name: (nis-install-server.yml) Check if file '/etc/adduser.conf.ORIG exists'
  stat:
    path: /etc/adduser.conf.ORIG
  register: adduser_conf_exists
  tags:
    - nis-install
    - nis-install-server

- name: (nis-install-server.yml) Backup existing file /etc/adduser.conf
  command: cp -a /etc/adduser.conf /etc/adduser.conf.ORIG
  when:
    - adduser_conf_exists.stat.exists == False
  tags:
    - nis-install
    - nis-install-server

- name: (nis-install-server.yml) Adjust file  '/etc/adduser.conf' - set 'DHOME'
  replace:
    path: /etc/adduser.conf
    regexp: '^#?DHOME=.*'
    replace: 'DHOME={{ nis_base_home }}'
  tags:
    - nis-install
    - nis-install-server


# ---
# /var/yp/Makefile
# ---

- name: (nis-install-server.yml) Check if file '/var/yp/Makefile.ORIG exists'
  stat:
    path: /var/yp/Makefile.ORIG
  register: adduser_conf_exists
  tags:
    - nis-install
    - nis-install-server

- name: (nis-install-server.yml) Backup existing file /var/yp/Makefile
  command: cp -a /var/yp/Makefile /var/yp/Makefile.ORIG
  when:
    - adduser_conf_exists.stat.exists == False
  tags:
    - nis-install
    - nis-install-server

- name: (nis-install-server.yml) Adjust file  '/var/yp/Makefile'
  replace:
    path: /var/yp/Makefile
    regexp: '^#?{{ item }}=.*'
    replace: '{{ item }}=true'
  with_items:
    - MERGE_PASSWD
    - MERGE_GROUP
  notify: 
    - Renew nis databases
  tags:
    - nis-install
    - nis-install-server


# TODO:
# /var/yp/Makefile