---
# file: roles/ad-auth/tasks/sssd.yml

- name: ensure sssd is installed
  apt:
    name:
      - sssd
      - libpam-sss
      - libnss-sss
      - sssd-tools
      - realmd
      # yamllint disable rule:line-length
      - policykit-1  # this is required for realm to discover realms...
      - adcli  # this is required for realm to join realms...
      - packagekit  # this is required for realm to i don't know and don't even care anymore...
      # yamllint enable rule:line-length
      - cracklib-runtime
    state: present
    install_recommends: false
  notify:
    - clear sssd cache
  tags:
    - sssd

- name: check if our realm is configured
  shell: realm list | grep "{{ domain }}"
  register: current_realms
  changed_when: "current_realms.rc != 0"
  failed_when: "current_realms.rc != 0 and current_realms.rc != 1"
  tags:
    - sssd

- block:
    - name: discover our realm
      command: realm discover -v "{{ domain }}"
      tags:
        - sssd

    - name: get a kerberos ticket
      # yamllint disable-line rule:line-length
      shell: echo "{{ lookup('passwordstore', ad_admin_password) }}" | kinit Administrator
      when: debian_version == "jessie"
      no_log: true
      tags:
        - sssd

    - name: ensure pexpect is installed
      apt:
        name: python-pexpect
        state: present
      when: debian_version == "stretch"
      tags:
        - sssd

    - name: get a kerberos ticket
      expect:
        command: kinit Administrator
        responses:
          # yamllint disable-line rule:line-length
          "Passwor(d|t) for Administrator.*": "{{ lookup('passwordstore', ad_admin_password) }}"
      when: debian_version == "stretch"
      no_log: true
      tags:
        - sssd

    - name: leave any other realm
      command: realm leave
      register: result
      until: "result.rc != 0"
      retries: 9001
      delay: 0
      failed_when: "result.rc != 0 and result.rc != 1"
      tags:
        - sssd

    - name: join our realm
      command: realm join -v "{{ domain }}"
      notify:
        - clear sssd cache
        - restart sssd
      tags:
        - sssd

    - name: destroy kerberos ticket
      command: kdestroy
      tags:
        - sssd
  when: "current_realms.rc != 0"

- name: ensure sssd is configured
  template:
    src: sssd.conf.j2
    dest: /etc/sssd/sssd.conf
    owner: root
    group: root
    mode: '0600'
  notify:
    - restart sssd
    - clear sssd cache
  tags:
    - sssd

# taken out of Debian's post install hooks
- name: ensure sssd is configured in nsswitch.conf
  shell: "sed -i --regexp-extended '/^(passwd|group|shadow|netgroup|services):/ {
  /\\bsss\\b/! s/$/ sss/  } ' /etc/nsswitch.conf"
  args:
    warn: false
  tags:
    - sssd

- name: ensure sssd is enabled and running
  service:
    name: sssd
    state: started
    enabled: true
  tags:
    - sssd

- name: ensure we have a cronjob which renews krb credenitials once a day
  template:
    src: templates/renew_krb5.j2
    dest: /etc/cron.daily/renew_krb5
    mode: '0755'
    owner: root
    group: root
  tags:
    - sssd