Option to install the client only.

defaults/main.yml

@@ -10,6 +10,7 @@ postgresql_deb_repo_key: /etc/apt/keyrings/postgresql.asc
 postgresql_deb_repository_url: "http://apt.postgresql.org/pub/repos/apt/"
 postgresql_deb_repository_rel: "{{ ansible_lsb.codename }}-pgdg"
 psql_postgresql_install: true
+postgresql_client_only: false
 psql_pkg_state: present
 postgresql_enabled: true
 psql_version: 16

tasks/main.yml

@@ -2,7 +2,7 @@
 - name: Postgresql external repository
   ansible.builtin.import_tasks: postgresql_org_repo.yml
 - name: Manage the postgresql packages
-  ansible.builtin.import_tasks: packages.yml
+  ansible.builtin.import_tasks: postgresql-packages.yml
   when: psql_postgresql_install
 - name: Manage the postgis packages
   ansible.builtin.import_tasks: postgis.yml
@@ -11,41 +11,54 @@
   ansible.builtin.import_tasks: postgresql-config-deb.yml
   when:
     - psql_postgresql_install
+    - not postgresql_client_only
     - ansible_distribution_file_variety == "Debian"
 - name: PostgreSQL configuration of EL systems
   ansible.builtin.import_tasks: postgresql-config-el.yml
   when:
     - psql_postgresql_install
+    - not postgresql_client_only
     - ansible_distribution_file_variety == "RedHat"
 - name: TLS setup
   ansible.builtin.import_tasks: postgresql-ssl-config.yml
-  when: psql_postgresql_install
+  when:
+    - psql_postgresql_install
+    - not postgresql_client_only
 - name: Kernel sysctl parameters
   ansible.builtin.import_tasks: psql-kernel-sharedmem.yml
   when:
     - psql_postgresql_install
     - psql_set_shared_memory
+    - not postgresql_client_only
 - name: Configure access to the databases
   ansible.builtin.import_tasks: configure-access.yml
   when:
     - psql_postgresql_install
     - psql_db_data is defined
+    - not postgresql_client_only
 - name: Service management
   ansible.builtin.import_tasks: postgresql-service-status.yml
-  when: psql_postgresql_install
+  when:
+    - psql_postgresql_install
+    - not postgresql_client_only
 - name: Manage the databases
   ansible.builtin.import_tasks: manage_pg_db.yml
   when:
     - psql_postgresql_install
     - psql_db_data is defined
+    - not postgresql_client_only
 - name: Streaming replication setup
   ansible.builtin.import_tasks: postgresql-streaming-replication.yml
   when:
     - postgresql_streaming_replication
+    - not postgresql_client_only
 - name: Local backups
   ansible.builtin.import_tasks: postgresql-backup.yml
-  when: psql_postgresql_install
+  when:
+    - psql_postgresql_install
+    - not postgresql_client_only
 - name: Letsencrypt hook
   ansible.builtin.import_tasks: postgresql-letsencrypt-acmetool.yml
   when:
     - postgresql_letsencrypt_managed
+    - not postgresql_client_only

tasks/packages.yml

@@ -1,38 +0,0 @@
----
-- block: 
-  - name: install the postgresql packages
-    apt: pkg={{ postgresql_pkgs }} state={{ psql_pkg_state }} cache_valid_time=3600
-    notify: Restart postgresql
-
-  when: ansible_distribution_file_variety == "Debian"
-  tags: [ 'postgresql', 'postgres' ]
-
-- name: EL
-  block:
-  - name: install the postgresql packages from the pgdg repository
-    yum: pkg={{ psql_el_pgdg_packages }} state={{ psql_pkg_state }}
-
-  - name: Init the db if needed
-    command: /usr/pgsql-{{ psql_version }}/bin/postgresql-{{ psql_version }}-setup initdb
-    args:
-      creates: '{{ psql_el_data_dir }}/postgresql.conf'
-      
-  when:
-    - not psql_el_install_scl_version
-    - ansible_distribution_file_variety == "RedHat"
-  tags: [ 'postgresql', 'postgres' ]
-
-- name: EL from SCL
-  block:
-  - name: install the postgresql scl packages
-    yum: pkg={{ psql_el_scl_packages }} state={{ psql_pkg_state }}
-
-  - name: Init the db if needed
-    command: /opt/rh/rh-postgresql{{ psql_version }}/root/usr/bin/postgresql-setup --initdb
-    args:
-      creates: '{{ psql_el_data_dir }}/postgresql.conf'
-
-  when:
-    - psql_el_install_scl_version
-    - ansible_distribution_file_variety == "RedHat"
-  tags: [ 'scl', 'postgresql', 'postgres' ]

tasks/postgresql-packages.yml

@@ -0,0 +1,86 @@
+---
+- name: postgresql-packages | Manage the postgresql packages installation
+  when:
+    - ansible_distribution_file_variety == "Debian"
+    - not postgresql_client_only
+  tags: ['postgresql', 'postgres']
+  block:
+    - name: postgresql-packages | Install the postgresql server packages on Deb systems
+      ansible.builtin.apt:
+        pkg: "{{ postgresql_pkgs }}"
+        state: present
+        cache_valid_time: 3600
+      notify: Restart postgresql
+
+- name: postgresql-packages | Manage the postgresql client installation
+  when:
+    - ansible_distribution_file_variety == "Debian"
+    - postgresql_client_only
+  tags: ['postgresql', 'postgres']
+  block:
+    - name: postgresql-packages | Install the postgresql server packages on Deb systems
+      ansible.builtin.apt:
+        pkg: postgresql-client
+        state: present
+        cache_valid_time: 3600
+
+- name: postgresql-packages | EL server packages
+  when:
+    - not psql_el_install_scl_version
+    - not postgresql_client_only
+    - ansible_distribution_file_variety == "RedHat"
+  tags: ['postgresql', 'postgres']
+  block:
+    - name: postgresql-packages | Install the postgresql packages from the pgdg repository
+      ansible.builtin.yum:
+        pkg: "{{ psql_el_pgdg_packages }}"
+        state: present
+
+    - name: postgresql-packages | Init the db if needed
+      ansible.builtin.command: /usr/pgsql-{{ psql_version }}/bin/postgresql-{{ psql_version }}-setup initdb
+      args:
+        creates: '{{ psql_el_data_dir }}/postgresql.conf'
+
+- name: postgresql-packages | EL server packagesx from SCL
+  when:
+    - psql_el_install_scl_version
+    - ansible_distribution_file_variety == "RedHat"
+    - not postgresql_client_only
+  tags: ['scl', 'postgresql', 'postgres']
+  block:
+    - name: postgresql-packages | Install the postgresql scl packages
+      ansible.builtin.yum:
+        pkg: "{{ psql_el_scl_packages }}"
+        state: present
+
+    - name: postgresql-packages | Init the db if needed
+      ansible.builtin.command: /opt/rh/rh-postgresql{{ psql_version }}/root/usr/bin/postgresql-setup --initdb
+      args:
+        creates: '{{ psql_el_data_dir }}/postgresql.conf'
+
+- name: postgresql-packages | EL client packages
+  when:
+    - not psql_el_install_scl_version
+    - postgresql_client_only
+    - ansible_distribution_file_variety == "RedHat"
+  tags: ['postgresql', 'postgres']
+  block:
+    - name: postgresql-packages | Install the postgresql client from the pgdg repository
+      ansible.builtin.yum:
+        pkg: "postgresql{{ psql_version }}"
+        state: present
+
+- name: postgresql-packages | EL server packagesx from SCL
+  when:
+    - psql_el_install_scl_version
+    - ansible_distribution_file_variety == "RedHat"
+    - postgresql_client_only
+  tags: ['scl', 'postgresql', 'postgres']
+  block:
+    - name: postgresql-packages | Install the postgresql scl client package
+      ansible.builtin.yum:
+        pkg: "{{ item }}"
+        state: present
+      loop:
+        - "rh-postgresql{{ psql_version }}-runtime"
+        - "rh-postgresql{{ psql_version }}-postgresql"