toallab-automation/roles/oatakan.rhel_template_build/tasks/main.yml

---

- name: Get the current kernel release.
  command: uname -r
  changed_when: false
  register: kernel_release

- name: Ensure necessary packages are installed.
  yum:
    name:
      - wget
      - perl
      - cpp
      - gcc
      - make
      - bzip2
      - kernel-headers
      - kernel-devel
      - "kernel-devel-{{ kernel_release.stdout }}"
      - cifs-utils
    state: present

- name: Ensure libselinux-python package is installed.
  yum:
    name:
      - libselinux-python
    state: present
  when: ansible_distribution_major_version|int < 8

- name: Ensure python3-libselinux package is installed.
  yum:
    name:
      - python3-libselinux
    state: present
  when: ansible_distribution_major_version|int == 8

# Fix slow DNS.
- name: Fix slow DNS (adapted from Bento).
  lineinfile:
    dest: /etc/sysconfig/network
    regexp: '^RES_OPTIONS'
    line: 'RES_OPTIONS="single-request-reopen"'
    state: present

# see https://fedoraproject.org/wiki/Changes/NetworkManager_keyfile_instead_of_ifcfg_rh
- name: ensure older style network config files for greater compatibility
  copy:
    dest: /etc/NetworkManager/conf.d/99-main-plugins.conf
    content: |
      [main]
      plugins=ifcfg-rh
  when: ansible_distribution_major_version|int == 8

- name: Restart network service (explicitly).
  service:
    name: network
    state: restarted
  when: ansible_distribution_major_version|int < 8

- name: Restart NetworkManager service (explicitly).
  service:
    name: NetworkManager
    state: restarted
  when: ansible_distribution_major_version|int == 8

- name: Ensure we can still connect
  wait_for_connection:

# SSH daemon configuration.
- name: Configure SSH daemon.
  lineinfile:
    dest: /etc/ssh/sshd_config
    regexp: "{{ item.regexp }}"
    line: "{{ item.line }}"
    state: present
  loop:
    - { regexp: '^UseDNS', line: 'UseDNS no' }
    - { regexp: '^GSSAPIAuthentication', line: 'GSSAPIAuthentication no' }

# Local user SSH configuration.
- name: Configure local user .ssh directory.
  file:
    path: /home/{{ local_account_username }}/.ssh
    state: directory
    owner: "{{ local_account_username }}"
    group: "{{ local_account_username }}"
    mode: 0700

- name: Get Vagrant's public key.
  get_url:
    url: https://github.com/mitchellh/vagrant/raw/master/keys/vagrant.pub
    dest: /home/{{ local_account_username }}/.ssh/authorized_keys
    owner: "{{ local_account_username }}"
    group: "{{ local_account_username }}"
    mode: 0600
  ignore_errors: yes
  when: target_vagrant | bool

- name: autolabel on boot
  command: fixfiles onboot
  changed_when: False

- include_tasks: cloud-init.yml
  when: target_ovirt | bool

- include_tasks: ovirt.yml
  when: target_ovirt | bool

# VirtualBox tools installation.
- name: Check if VirtualBox is running the guest VM.
  stat:
    path: /home/{{ local_account_username }}/.vbox_version
  register: virtualbox_check

- include_tasks: virtualbox.yml
  when: virtualbox_check.stat.exists

# VMware tools installation.
- name: Check if VMWare is running the guest VM.
  shell: |
    set -o pipefail
    cat /proc/scsi/scsi | grep VMware
  changed_when: false
  failed_when: false
  register: vmware_check

- include_tasks: vmware.yml
  when: vmware_check.rc == 0

# Cleanup tasks.
- name: Remove unneeded packages.
  yum:
    name:
      - cpp
      - kernel-devel
      - kernel-headers
    disablerepo: '*'
    state: absent

- name: Clean up yum.
  command: yum clean all
  args:
    warn: no
  changed_when: false

- name: Flag the system for re-configuration
  file:
    path: /.unconfigured
    state: touch

- name: Reset hostname to localhost.localadmin
  copy:
    content: 'localhost.localdomain'
    dest: /etc/hostname

- name: Remove RedHat interface persistence (step 1).
  file:
    path: /etc/udev/rules.d/70-persistent-net.rules
    state: absent

- name: Check for network config file
  stat:
    path: /etc/sysconfig/network-scripts/ifcfg-{{ ansible_default_ipv4.interface | default('eth0') }}
  register: network_config_file

- name: Remove RedHat interface persistence (step 2).
  lineinfile:
    dest: "{{ network_config_file.stat.path }}"
    regexp: "{{ item }}"
    state: absent
  loop:
    - '^HWADDR'
    - '^UUID'
    - '^IPADDR'
    - '^NETMASK'
    - '^GATEWAY'
  when: network_config_file.stat.exists

- name: Set interface to DHCP
  lineinfile:
    dest: "{{ network_config_file.stat.path }}"
    regexp: '^BOOTPROTO='
    line: BOOTPROTO=dhcp
  when: network_config_file.stat.exists

- name: Force logs to rotate (step 1)
  shell: /usr/sbin/logrotate -f /etc/logrotate.conf
  changed_when: false

- name: Find any log files to delete
  find:
    paths: /var/log
    patterns:
      - "*-????????"
      - "*.gz"
  register: find_log_files

- name: Force logs to rotate (step 2)
  file:
    path: "{{ item.path }}"
    state: absent
  loop: "{{ find_log_files.files }}"

- name: Clear audit log and wtmp (step 1)
  shell: cat /dev/null > /var/log/audit/audit.log
  changed_when: false

- name: Clear audit log and wtmp (step 2)
  shell: cat /dev/null > /var/log/wtmp
  changed_when: false

- name: Remove ssh-host files
  command: rm -fr /etc/ssh/ssh_host_*
  changed_when: false
  args:
    warn: false