Update to 2021-12-01 19:13

roles/sssd_ldap_auth/tasks/install_Debian.yml

@@ -0,0 +1,19 @@
+---
+
+- name: Install sssd and the needed tools
+  apt:
+    name:
+      - sssd
+      - libnss-sss
+      - libpam-sss
+      - ca-certificates
+  tags: auth
+
+- name: Install oddjob-mkhomedir
+  apt:
+    name:
+      - oddjob-mkhomedir
+  when: ansible_distribution_major_version is version('9', '>=')
+  notify: restart oddjobd
+  tags: auth
+

roles/sssd_ldap_auth/tasks/install_RedHat.yml

@@ -0,0 +1,9 @@
+---
+
+- name: Install sssd and the needed tools
+  yum:
+    name:
+      - sssd
+      - oddjob-mkhomedir
+      - authconfig
+  tags: auth

roles/sssd_ldap_auth/tasks/main.yml

@@ -0,0 +1,42 @@
+---
+
+- include: install_{{ ansible_os_family }}.yml
+
+- name: Deploy sssd config
+  template: src=sssd.conf.j2 dest=/etc/sssd/sssd.conf owner=root group=root mode=0600
+  register: sssd_config
+  notify: restart sssd
+  tags: auth
+
+  # On el8 for example, sssd is already installed and running on a default setup
+  # so we need to restart it now, so users are available (for eg, ssh authorized_keys setup)
+  # We can't rely on the handler, because it would only run at the end of the playbook
+- name: Restart sssd if needed
+  service: name=sssd state=restarted
+  when: sssd_config.changed
+  tags: auth
+
+- name: Ensure nsswitch is using sssd
+  lineinfile:
+    dest: /etc/nsswitch.conf
+    regexp: "{{ item.regexp }}"
+    line: "{{ item.line }}"
+  with_items:
+    - regexp: '^passwd:.*'
+      line: 'passwd:     files sss'
+    - regexp: '^shadow:.*'
+      line: 'shadow:     files sss'
+    - regexp: '^group:.*'
+      line: 'group:      files sss'
+  tags: auth
+
+- name: Start and enable sssd service
+  service: name=sssd state=started enabled=True
+  tags: auth
+
+- name: Start oddjobd
+  service: name=oddjobd state=started enabled=True
+  when: ansible_distribution != 'Debian' or ansible_distribution_major_version is version('9', '>=')
+  tags: auth
+
+- include: pam_{{ ansible_os_family }}.yml

roles/sssd_ldap_auth/tasks/pam_Debian.yml

@@ -0,0 +1,10 @@
+---
+
+- name: Deploy pam config
+  template: src=deb_pam_common_{{ item }}.j2 dest=/etc/pam.d/common-{{ item }}
+  with_items:
+    - account
+    - auth
+    - password
+    - session
+  tags: auth

roles/sssd_ldap_auth/tasks/pam_RedHat.yml

@@ -0,0 +1,13 @@
+---
+
+- name: Check if authconfig needs to update pam config
+  command: "grep -P '^auth\\s+sufficient\\s+pam_sss.so' /etc/pam.d/system-auth"
+  register: auth_sss_done
+  changed_when: False
+  failed_when: False
+  tags: auth
+
+- name: Configure authentication with authconfig
+  command: authconfig --enablemkhomedir --enablesssd --enablesssdauth --update
+  when: auth_sss_done.rc != 0
+  tags: auth