Allow all initdb options, checksums, waldir, etc

Author: Greg Clough

defaults/main.yml

@@ -3,6 +3,9 @@
 # Basic settings
 postgresql_version: 9.6
 postgresql_encoding: "UTF-8"
+postgresql_data_checksums: false
+postgresql_pwfile: ""
+
 postgresql_locale_parts:
   - "en_US" # Locale
   - "UTF-8" # Encoding
@@ -85,6 +88,7 @@ postgresql_ident_file: "{{ postgresql_conf_directory }}/pg_ident.conf"
 # Use data in another directory
 postgresql_varlib_directory_name: "postgresql"
 postgresql_data_directory: "/var/lib/{{ postgresql_varlib_directory_name }}/{{ postgresql_version }}/{{ postgresql_cluster_name }}"
+postgresql_wal_directory: ""
 postgresql_pid_directory: "/var/run/postgresql"
 # If external_pid_file is not explicitly set, on extra PID file is written
 postgresql_external_pid_file: "{{ postgresql_pid_directory }}/{{ postgresql_version }}-{{ postgresql_cluster_name }}.pid"

tasks/configure.yml

@@ -16,6 +16,26 @@
     mode: 0700
   register: pgdata_dir_exist
 
+- name: PostgreSQL | Make sure the postgres WAL directory exists
+  file:
+    path: "{{ postgresql_wal_directory }}"
+    owner: "{{ postgresql_service_user }}"
+    group: "{{ postgresql_service_group }}"
+    state: directory
+    mode: 0700
+  register: pgwal_dir_exist
+  when: postgresql_wal_directory != ""
+
+- name: PostgreSQL | Make sure the postgres log directory exists
+  file:
+    path: "{{ postgresql_log_directory }}"
+    owner: "{{ postgresql_service_user }}"
+    group: "{{ postgresql_service_group }}"
+    state: directory
+    mode: 0700
+  register: pglog_dir_exist
+  when: postgresql_log_directory != "pg_log"
+
 - name: PostgreSQL | Ensure the locale for lc_collate and lc_ctype is generated | Debian
   become: yes
   locale_gen: name="{{ item }}" state=present
@@ -45,6 +65,11 @@
     pg_createcluster --start --locale {{ postgresql_locale }}
     -e {{ postgresql_encoding }} -d {{ postgresql_data_directory }}
     {{ postgresql_version }} {{ postgresql_cluster_name }}
+    --
+    {% if postgresql_data_checksums and postgresql_version | version_compare('9.3', '>=') %}--data-checksums{% endif %}
+    {% if postgresql_pwfile != "" %}--pwfile={{ postgresql_pwfile }} {% endif %}
+    {% if postgresql_wal_directory != "" and postgresql_version | version_compare('10', '<') %}--xlogdir={{ postgresql_wal_directory }} {% endif %}
+    {% if postgresql_wal_directory != "" and postgresql_version | version_compare('10', '>=') %}--waldir={{ postgresql_wal_directory }} {% endif %}
   become: yes
   become_user: "{{ postgresql_service_user }}"
   when: ansible_os_family == "Debian" and postgresql_cluster_reset and pgdata_dir_exist.changed
@@ -59,6 +84,10 @@
   command: >
     {{ postgresql_bin_directory }}/initdb -D {{ postgresql_data_directory }}
     --locale={{ postgresql_locale }} --encoding={{ postgresql_encoding }}
+    {% if postgresql_data_checksums and postgresql_version | version_compare('9.3', '>=') %}--data-checksums{% endif %}
+    {% if postgresql_pwfile != "" %}--pwfile={{ postgresql_pwfile }} {% endif %}
+    {% if postgresql_wal_directory != "" and postgresql_version | version_compare('10', '<') %}--xlogdir={{ postgresql_wal_directory }} {% endif %}
+    {% if postgresql_wal_directory != "" and postgresql_version | version_compare('10', '>=') %}--waldir={{ postgresql_wal_directory }} {% endif %}
   become: yes
   become_user: "{{ postgresql_service_user }}"
   when: ansible_os_family == "RedHat" and

tests/docker/group_vars/postgresql.yml

@@ -1,6 +1,7 @@
 ---
 
 postgresql_shared_buffers: "32MB"
+postgresql_data_checksums: true
 
 postgresql_databases:
   - name: foobar