Added support for CentOS 8 hosts

postgresql/tasks/db_init.yml

@@ -6,10 +6,15 @@
   register: stat_result
 
 - name: Initialisation de la base de données ICAT
-  #command: /usr/pgsql-9.3/bin/initdb -D {{path_to_icat}}
   command: /usr/pgsql-9.6/bin/initdb -D {{path_to_icat}}
   become: true
   become_user: postgres
-  when: stat_result.stat.exists == False
+  when: stat_result.stat.exists == False and (ansible_facts['distribution'] == "CentOS" and ansible_facts['distribution_major_version'] == "7")
+
+- name: Initialisation de la base de données ICAT
+  command: /usr/bin/initdb -D {{path_to_icat}}
+  become: true
+  become_user: postgres
+  when: stat_result.stat.exists == False and (ansible_facts['distribution'] == "CentOS" and ansible_facts['distribution_major_version'] == "8")
 
 ...

postgresql/tasks/main.yml

@@ -5,11 +5,11 @@
 - import_tasks: repos.yml
 - import_tasks: packages.yml
 - import_tasks: pip.yml
-- import_tasks: security.yml
 - import_tasks: users.yml
 - import_tasks: files.yml
 - import_tasks: db_init.yml
 - import_tasks: patches.yml
+- import_tasks: security.yml
 - import_tasks: systemd.yml
 - import_tasks: db_privs.yml
 

postgresql/tasks/packages.yml

 ---
 
-- name: Installation paquets PostgreSQL
+- name: Installation paquets PostgreSQL 9.6 pour CentOS 7
   yum:
     conf_file: '/etc/yum.conf'
     name: 
       - libselinux-python
       - python-pip
-#      - postgresql93
       - postgresql96
-#      - postgresql93-server
       - postgresql96-server
-#      - postgresql93-odbc
       - postgresql96-odbc
     state: present
+  when: (ansible_facts['distribution'] == "CentOS" and ansible_facts['distribution_major_version'] == "7")
+
+- name: Installation paquets PostgreSQL 10.6 pour CentOS 8
+  dnf:
+    conf_file: '/etc/dnf/dnf.conf'
+    name:
+      - python3-libselinux
+      - python3-pip
+      - postgresql
+      - postgresql-server
+      - postgresql-odbc
+    state: present
+  when: (ansible_facts['distribution'] == "CentOS" and ansible_facts['distribution_major_version'] == "8")
 
 ...

postgresql/tasks/repos.yml

 ---
 
-#- name: Installation du dépôt PostgreSQL 9.3
 - name: Installation du dépôt PostgreSQL 9.6
   yum:
     conf_file: '/etc/yum.conf'
     name: https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm 
-    #name: https://download.postgresql.org/pub/repos/yum/9.3/redhat/rhel-7-x86_64/pgdg-centos93-9.3-3.noarch.rpm
     state: present
+  when: (ansible_facts['distribution'] == "CentOS" and ansible_facts['distribution_major_version'] == "7")
 
 ...
 

postgresql/tasks/security.yml

@@ -2,6 +2,19 @@
 
 - selinux:
     policy: targeted
-    state: "{{ selinux_mode }}" 
+    state: "{{ selinux_mode }}"
+
+#- name: 
+#  debug:
+#    var: "{{ path_to_icat | splitext }}"
+
+- name: Allow PostgreSQL to modify files in "{{ path_to_icat }}"
+  sefcontext:
+    target: '{{ path_to_icat }}(/.*)?'
+    setype: postgresql_db_t
+    state: present
+
+- name: Apply new SELinux file context to filesystem
+  command: restorecon -irv "{{ path_to_icat }}"
 
 ...

postgresql/tasks/systemd.yml

 ---
 
-# Activation du service postgresql-9.3
+# Activation du service postgresql-9.6 pour CentOS 7
 
-- name: Activation du service postgresql-9.3
+- name: Activation du service postgresql-9.6 pour CentOS 7
   systemd:
     enabled: yes
-#    name: postgresql-9.3
     name: postgresql-9.6
+  when: (ansible_facts['distribution'] == "CentOS" and ansible_facts['distribution_major_version'] == "7")
 
-# Modification de la variable PGDATA dans /usr/lib/systemd/system/postgresql-9.3.service
+- name: Activation du service postgresql pour CentOS 8
+  systemd:
+    enabled: yes
+    name: postgresql
+  when: (ansible_facts['distribution'] == "CentOS" and ansible_facts['distribution_major_version'] == "8")
+
+# Modification de la variable PGDATA dans /usr/lib/systemd/system/postgresql-9.6.service
 
 - lineinfile:
-    #path: /usr/lib/systemd/system/postgresql-9.3.service
     path: /usr/lib/systemd/system/postgresql-9.6.service
     regexp: '^Environment=PGDATA='
     line: 'Environment=PGDATA={{path_to_icat}}'
+  when: (ansible_facts['distribution'] == "CentOS" and ansible_facts['distribution_major_version'] == "7")
+
+- lineinfile:
+    path: /usr/lib/systemd/system/postgresql.service
+    regexp: '^Environment=PGDATA='
+    line: 'Environment=PGDATA={{path_to_icat}}'
+  when: (ansible_facts['distribution'] == "CentOS" and ansible_facts['distribution_major_version'] == "8")
 
 # On recharge l'environnememnt
 
@@ -22,12 +34,18 @@
   systemd:
     daemon_reload: yes
 
-# Démarrage du service postgresql-9.3
+# Démarrage du service postgresql-9.6
 
-- name: Démarrage du service postgresql-9.3
+- name: Démarrage du service postgresql-9.6
   systemd: 
-    #name: postgresql-9.3
     name: postgresql-9.6
     state: started
+  when: (ansible_facts['distribution'] == "CentOS" and ansible_facts['distribution_major_version'] == "7")
+
+- name: Démarrage du service postgresql
+  systemd:
+    name: postgresql
+    state: started
+  when: (ansible_facts['distribution'] == "CentOS" and ansible_facts['distribution_major_version'] == "8")
 
 ...

postgresql/tasks/users.yml

 ---
 
-- name: Création groupe UNIX postgres
-  group:
-    name: "{{ postgresql_unix_group_name }}" 
-    state: present
-    system: yes
+- name: Création groupe et utilisateur postgres
+  block:
+    - name: Création groupe UNIX postgres
+      group:
+        name: "{{ postgresql_unix_group_name }}" 
+        state: present
+        system: yes
 
-- name: Création utilisateur postgres 
-  user:
-    name: "{{ postgresql_unix_user_name }}"
-    group: "{{ postgresql_unix_group_name }}"
-    state: present
-    system: yes
-    shell: /usr/bin/false
-    create_home: no
+    - name: Création utilisateur postgres 
+      user:
+        name: "{{ postgresql_unix_user_name }}"
+        group: "{{ postgresql_unix_group_name }}"
+        state: present
+        system: yes
+        shell: /usr/bin/false
+        create_home: no
+  when: (ansible_facts['distribution'] == "CentOS" and ansible_facts['distribution_major_version'] == "7")
 
 ...