---

- set_fact: samba_tls_cert={{ '/var/lib/dehydrated/certificates/certs/' + samba_letsencrypt_cert + '/fullchain.pem' }}
  when: samba_letsencrypt_cert is defined
  tags: [cert,samba]
- set_fact: samba_tls_key={{ '/var/lib/dehydrated/certificates/certs/' + samba_letsencrypt_cert + '/privkey.pem' }}
  when: samba_letsencrypt_cert is defined
  tags: [cert,samba]
- set_fact: samba_i_am_primary_dc={{ (inventory_hostname == samba_primary_dc and samba_role == 'dc') | ternary(True,False) }}
  tags: samba
- name: Merge custom password complexity rules with default ones
  set_fact: samba_pwd_policy={{ samba_base_pwd_policy | combine(samba_pwd_policy) }}
  tags: samba

- name: Install common packages
  yum:
    name:
      - samba
      - samba-client
      - sssd-winbind-idmap
      - openldap-clients
      - policycoreutils-python
      - tdb-tools
  tags: samba

- name: Install DC components
  yum:
    name:
      - samba-dc
      - ldb-tools
      - krb5-workstation
      - python36-markdown
      - patch
  when: samba_role == 'dc' or samba_role == 'rodc'
  tags: samba

  # sssd-libwbclient breaks DC so only install on members
- name: Install members components
  yum: name=sssd-libwbclient
  when:
    - samba_role != 'dc'
    - samba_role != 'rodc'
  tags: samba

- name: Setup env var for ldb tools
  copy: src=ldb_modules_samba.sh dest=/etc/profile.d/ldb_modules_samba.sh mode=755
  tags: samba

- name: Set a default samba domain
  set_fact: samba_domain={{ ansible_domain | regex_replace('\.[a-z]+$','') }}
  when: samba_domain is not defined
  tags: samba

- name: Check if domain is provisionned
  stat: path=/var/lib/samba/sysvol/{{ samba_realm }}
  register: samba_dc_sysvol
  tags: samba

- name: Remove config files
  file: path={{ item }} state=absent
  with_items:
    - /etc/samba/smb.conf
    - /etc/krb5.conf
  when:
    - samba_role == 'dc' or samba_role == 'rodc'
    - not samba_dc_sysvol.stat.exists
  tags: samba

- name: Stop samba services
  service: name={{ item }} state=stopped
  with_items:
    - samba
    - smb
    - nmb
  when:
    - samba_role == 'dc' or samba_role == 'rodc'
    - not samba_dc_sysvol.stat.exists
  tags: samba

- name: Add rsyncd port
  set_fact: samba_dc_tcp_ports={{ samba_dc_tcp_ports + ['873'] }}
  when: samba_i_am_primary_dc == True
  tags: samba

- name: Handle DNS ports
  iptables_raw:
    name: samba_dns_ports
    state: "{{ (samba_dns_src_ip | length > 0) | ternary('present','absent') }}"
    rules: "-A INPUT -m state --state NEW -p tcp -m multiport --dports {{ samba_dns_ports | join(',') }} -s {{ samba_dns_src_ip | join(',') }} -j ACCEPT\n
            -A INPUT -m state --state NEW -p udp -m multiport --dports {{ samba_dns_ports | join(',') }} -s {{ samba_dns_src_ip | join(',') }} -j ACCEPT"
  when:
    - iptables_manage | default(True)
    - samba_role == 'dc' or samba_role == 'rodc'
  tags: samba,firewall

- name: Handle DC services ports
  iptables_raw:
    name: samba_dc_ports
    state: "{{ (samba_dc_src_ip | length > 0) | ternary('present','absent') }}"
    rules: "-A INPUT -m state --state NEW -p tcp -m multiport --dports {{ samba_dc_tcp_ports | join(',') }} -s {{ samba_dc_src_ip | join(',') }} -j ACCEPT\n
            -A INPUT -m state --state NEW -p udp -m multiport --dports {{ samba_dc_udp_ports | join(',') }} -s {{ samba_dc_src_ip | join(',') }} -j ACCEPT"
  when:
    - iptables_manage | default(True)
    - samba_role == 'dc' or samba_role == 'rodc'
  tags: samba,firewall

- name: Handle other ports
  iptables_raw:
    name: samba_file_ports
    state: "{{ (samba_file_src_ip | length > 0) | ternary('present','absent') }}"
    rules: "-A INPUT -m state --state NEW -p tcp -m multiport --dports {{ samba_file_tcp_ports | join(',') }} -s {{ samba_file_src_ip | join(',') }} -j ACCEPT\n
            -A INPUT -m state --state NEW -p udp -m multiport --dports {{ samba_file_udp_ports | join(',') }} -s {{ samba_file_src_ip | join(',') }} -j ACCEPT"
  when: iptables_manage | default(True)
  tags: samba,firewall

  # We need to have our correct hostname before joining the domain !!
- name: Set system hostname
  hostname: name={{ system_hostname | default(inventory_hostname | regex_replace('^([^\.]+)\..*','\\1')) }}
  tags: samba

- name: Try to join the domain (as DC)
  command: samba-tool domain join {{ samba_realm }} DC --dns-backend SAMBA_INTERNAL --realm {{ samba_realm }} -U Administrator --password={{ samba_dc_admin_pass | quote }}
  when:
    - samba_role == 'dc'
    - not samba_dc_sysvol.stat.exists
  register: samba_dc_join
  ignore_errors: True
  tags: samba

  # If we're not the primary domain, and we can't join the domain
  # and we haven't done it yet, we must fail
- name: Fail if not the primary DC and joining the domain failed
  fail: msg="Failed to join the domaine"
  when:
    - samba_dc_join is defined
    - samba_dc_join.rc is defined
    - samba_dc_join.rc != 0
    - not samba_i_am_primary_dc == True
    - not samba_dc_sysvol.stat.exists
  tags: samba

- name: Provision the domain
  command: samba-tool domain provision --server-role=dc --dns-backend SAMBA_INTERNAL --realm {{ samba_realm }} --domain {{ samba_domain }} --use-rfc2307 --adminpass={{ samba_dc_admin_pass | quote }}
  when:
    - not samba_dc_sysvol.stat.exists
    - samba_i_am_primary_dc == True
    - samba_dc_join.rc != 0
  tags: samba

- name: Join the domain (as RODC)
  command: samba-tool domain join {{ samba_realm }} RODC --dns-backend SAMBA_INTERNAL --realm {{ samba_realm }} -U Administrator --password={{ samba_dc_admin_pass | quote }}
  no_log: True
  when:
    - samba_role == 'rodc'
    - not samba_dc_sysvol.stat.exists
  tags: samba

- name: Link our DC keytab
  file: src=/var/lib/samba/private/secrets.keytab dest=/etc/krb5.keytab state=link remote_src=True
  when: samba_role == 'dc' or samba_role == 'rodc'
  tags: samba

  # This is for DC where their principal is added as uppercase HOST/FQDN
  # it mostly work, except for ssh kerberos auth which requires lower case host/fqdn principal
- name: Check if the keytab contains lowercase host principal
  shell: klist -k /etc/krb5.keytab | grep 'host/{{ ansible_hostname }}.{{ samba_realm }}'
  ignore_errors: True
  when: samba_role == 'dc' or samba_role == 'rodc'
  changed_when: False
  register: samba_lc_principal
  tags: samba

- name: Add lower case host principal to the keytab file
  command: samba-tool domain exportkeytab /etc/krb5.keytab --principal=host/{{ ansible_hostname }}.{{ samba_realm }}
  when:
    - samba_role == 'dc' or samba_role == 'rodc'
    - samba_lc_principal.stdout_lines | length < 1
  tags: samba

- name: Add a tmpfiles.d snippet for permission on ntp_signd socket dir
  copy: content="d /var/lib/samba/ntp_signd 750 root ntp" dest=/etc/tmpfiles.d/samba_ntp.conf
  when: samba_role == 'dc' or samba_role == 'rodc'
  notify: systemd-tmpfiles
  tags: sambai

- name: Set correct SELinux context on the ntp_signd socket dir
  sefcontext:
    target: "/var/lib/samba/ntp_signd(/.*)?"
    setype: ntpd_var_run_t
    state: present
  when:
    - ansible_selinux.status == 'enabled'
    - samba_role == 'dc' or samba_role == 'rodc'
  register: samba_ntp_selinux
  tags: samba

- name: Restore SELinux context
  command: restorecon -R /var/lib/samba/
  when:
    - ansible_selinux.status == 'enabled'
    - samba_ntp_selinux.changed
  tags: samba

- name: Deploy rsyncd snippet
  template: src=rsyncd.conf.j2 dest=/etc/rsyncd.conf.d/samba_dc.conf
  when: samba_i_am_primary_dc == True
  tags: samba

- name: Remove rsyncd snippet
  file: path=/etc/rsyncd.conf.d/samba_dc.conf state=absent
  when: not samba_i_am_primary_dc == True
  tags: samba

- name: Deploy sysvol rsync password file
  copy: content={{ (samba_sysvol_rsync_pass is defined) | ternary(samba_i_am_primary_dc | ternary('sysvol-replication:','') + samba_sysvol_rsync_pass,'# No password defined') }} dest=/etc/samba/rsync-sysvol.secret mode=600
  tags: samba

- name: Setup cron to sync sysvol from primary DC
  cron:
    name: samba_sync_sysvol
    cron_file: samba_sync_sysvol
    minute: '*/16'
    user: root
    job: rsync -XAavz --delete-after {{ (samba_sysvol_rsync_pass is defined) | ternary('--password-file=/etc/samba/rsync-sysvol.secret','') }} rsync://{{ (samba_sysvol_rsync_pass is defined) | ternary('sysvol-replication@','') }}{{ samba_primary_dc }}/sysvol/ /var/lib/samba/sysvol/
    state: "{{ samba_i_am_primary_dc | ternary('absent','present') }}"
  when: samba_role == 'dc' or samba_role == 'rodc'
  tags: samba

- name: Create dehydrated hook dir
  file: path=/etc/dehydrated/hooks_deploy_cert.d/ state=directory
  when: samba_role == 'dc' or samba_role == 'rodc'
  tags: samba

- name: Deploy dehydrated hook
  copy: src=dehydrated_deploy_hook dest=/etc/dehydrated/hooks_deploy_cert.d/samba.sh mode=755
  when: samba_role == 'dc' or samba_role == 'rodc'
  tags: samba

- name: Remove dehydrated hook
  file: path=/etc/dehydrated/hooks_deploy_cert.d/samba.sh state=absent
  when: samba_role != 'dc' and samba_role != 'rodc'
  tags: samba

- name: Create samba tls dir
  file: path=/var/lib/samba/private/tls state=directory mode=700
  tags: samba

- name: Create DH param
  command: openssl dhparam -out /var/lib/samba/private/tls/dhparam.pem 2048
  args:
    creates: /var/lib/samba/private/tls/dhparam.pem
  tags: samba

- name: Deploy smb.conf
  template: src=smb.conf.j2 dest=/etc/samba/smb.conf
  notify: reload samba
  tags: samba

- name: Create conf.d directory
  file: path=/etc/samba/smb.conf.d/ state=directory
  tags: samba

- name: Check if there's a shares.conf snippet
  stat: path=/etc/samba/smb.conf.d/shares.conf
  register: samba_shares_snippet
  tags: samba

- name: Deploy an empty shares conf snippet
  copy: content="# No shares defined yet" dest=/etc/samba/smb.conf.d/shares.conf
  when: not samba_shares_snippet.stat.exists
  tags: samba

- name: Check if /etc/krb5.conf exists
  stat: path=/etc/krb5.conf
  register: samba_krb5_conf
  tags: samba

- name: Start and enable the samba daemon
  service: name=samba state=started enabled=True
  when: samba_role == 'dc' or samba_role == 'rodc'
  tags: samba

- name: Reconfigure sssd
  include_role: name=sssd_ad_auth
  when:
    - not samba_krb5_conf.stat.exists
  tags: samba

- name: Check if winbind_cache exists
  stat: path=/var/lib/samba/winbindd_cache.tdb
  register: samba_winbind_cache
  tags: samba

- include_tasks: member_join.yml
  when:
    - samba_role == 'member'
    - not samba_winbind_cache.stat.exists

- name: Start and enable the smb daemon
  service: name=smb state=started enabled=True
  when: samba_role != 'dc' and samba_role != 'rodc'
  tags: samba

  # Here we just read the actual policy. This way, on the next task, we can update only the items we need
- name: Check current password policy
  shell: "samba-tool domain passwordsettings show | perl -ne 'm/^{{ samba_pwd_policy_descriptions[item] }}: (.*)/ && print $1'"
  register: samba_dc_current_pwd_policy
  changed_when: False
  with_items: "{{ samba_pwd_policy.keys() | list }}"
  when: samba_i_am_primary_dc == True
  tags: samba

- name: Set password policy
  command: samba-tool domain passwordsettings set --{{ item.item }}={{ samba_pwd_policy[item.item] }}
  with_items: "{{ samba_dc_current_pwd_policy.results }}"
  when:
    - samba_i_am_primary_dc == True
    - item.stdout | string != samba_pwd_policy[item.item] | string
  tags: samba

- name: Add default zones to the list of managed ones
  set_fact: samba_dns_zones={{ samba_dns_zones | default([]) + [ samba_realm | lower, '_msdcs.' + samba_realm | lower ] }}
  when: samba_i_am_primary_dc == True
  tags: samba

- name: Check existing DNS zones
  shell: samba-tool dns zonelist {{ ansible_all_ipv4_addresses | first }} -U Administrator --password={{ samba_dc_admin_pass | quote }} | perl -ne 'm/pszZoneName\s+:\s+(.*)/ && print "$1\n"'
  register: samba_existing_zones
  no_log: True
  changed_when: False
  when: samba_i_am_primary_dc == True
  tags: samba

- name: Create DNS zones
  command: samba-tool dns zonecreate {{ ansible_all_ipv4_addresses | first }} {{ item }} -U Administrator --password={{ samba_dc_admin_pass | quote }}
  no_log: True
  when: samba_i_am_primary_dc == True
  with_items: "{{ samba_dns_zones | difference(samba_existing_zones.stdout_lines) }}"
  tags: samba

- name: Remove DNS zones
  command: samba-tool dns zonedelete {{ ansible_all_ipv4_addresses | first }} {{ item }} -U Administrator --password={{ samba_dc_admin_pass | quote }}
  no_log: True
  when:
    - samba_i_am_primary_dc == True
    - samba_remove_unmanaged_dns_zones == True
  with_items: "{{ samba_existing_zones.stdout_lines | difference(samba_dns_zones) }}"
  tags: samba

- name: Create backup scripts dir
  file: path=/etc/backup/{{ item }}.d state=directory
  with_items:
    - pre
    - post
  tags: samba

- name: Deploy pre and post backup script
  template: src={{ item.src }} dest={{ item.dest }} mode=755
  with_items:
    - src: samba_pre_backup.sh.j2
      dest: /etc/backup/pre.d/samba.sh
    - src: samba_post_backup.sh.j2
      dest: /etc/backup/post.d/samba.sh
  tags: samba

- name: Set SEbool
  seboolean: name={{ item }} state=True persistent=True
  when: samba_role == 'dc' or samba_role == 'rodc'
  with_items:
    - samba_domain_controller
  tags: samba

- name: Create samba scripts dir
  file: path=/var/lib/samba/scripts state=directory
  tags: samba

- include: filebeat.yml