defaults/main.yml

@@ -1,6 +1,6 @@
 ---
 postgres_repository_enabled: False
-postgres_version: 12
+postgres_version: 14
 postgres_repository_filename: "Postgresql-{{ postgres_version | regex_replace('\\.') }}"
 postgres_user: postgres
 postgres_group: postgres
@@ -20,7 +20,7 @@ postgres_connection_addresses:
 postgres_socket_directories:
   - /var/run/postgresql
 
-postgres_password_encryption: md5
+postgres_password_encryption: scram-sha-256
 
 postgres_tls_enabled: False
 postgres_tls_cert_filename: "mycert.pem"
@@ -81,13 +81,13 @@ postgres_hba_entries:
     users:
       - all
     address: "127.0.0.1/32"
-    auth_method: md5
+    auth_method: "{{ postgres_password_encryption }}"
   - contype: host
     databases:
       - all
     users:
       - all
     address: "::1/128"
-    auth_method: md5
+    auth_method: "{{ postgres_password_encryption }}"
 
 postgres_hba_entries_extra: []

molecule/centos7/tests/test_default.py

@@ -8,16 +8,21 @@ testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
 
 
 def test_postgres_is_installed(host):
-    postgres = host.package("postgresql12-server")
+    postgres = host.package("postgresql14-server")
     assert postgres.is_installed
 
 
 def test_postgres_running_and_enabled(host):
-    postgres = host.service("postgresql-12")
+    postgres = host.service("postgresql-14")
     assert postgres.is_running
     assert postgres.is_enabled
 
 
+def test_postgres_auth(host):
+    login = host.run("PGPASSWORD=secure psql -U pgdemo -h localhost -c 'select 1' -q demo")
+    assert login.succeeded
+
+
 def test_postgres_socket(host):
     # Verify the socket is listening for HTTP traffic
     assert host.socket("tcp://127.0.0.1:5432").is_listening

molecule/rocky8/tests/test_default.py

@@ -8,16 +8,21 @@ testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
 
 
 def test_postgres_is_installed(host):
-    postgres = host.package("postgresql10-server")
+    postgres = host.package("postgresql14-server")
     assert postgres.is_installed
 
 
 def test_postgres_running_and_enabled(host):
-    postgres = host.service("postgresql-10")
+    postgres = host.service("postgresql-14")
     assert postgres.is_running
     assert postgres.is_enabled
 
 
+def test_postgres_auth(host):
+    login = host.run("PGPASSWORD=secure psql -U pgdemo -h localhost -c 'select 1' -q demo")
+    assert login.succeeded
+
+
 def test_postgres_socket(host):
     # Verify the socket is listening for HTTP traffic
     assert host.socket("tcp://127.0.0.1:5432").is_listening

tasks/config.yml

@@ -24,7 +24,7 @@
         users: "{{ item.users | default(['all']) | join(',') }}"
         address: "{{ item.address | default('all') }}"
         databases: "{{ item.databases | default(['all']) | join(',') }}"
-        method: "{{ item.auth_method | default('md5') }}"
+        method: "{{ item.auth_method | default(postgres_password_encryption) }}"
         state: "{{ item.state | default('present') }}"
       loop: "{{ postgres_hba_entries + postgres_hba_entries_extra }}"
       loop_control:

tasks/main.yml

@@ -1,5 +1,17 @@
 ---
 - import_tasks: prepare.yml
+
+- include_tasks: "{{ task_files }}"
+  vars:
+    task_files: "{{ lookup('first_found', params, errors='ignore') }}"
+    params:
+      files:
+        - "prepare_{{ ansible_os_family | lower }}_{{ ansible_distribution_major_version }}.yml"
+        - "prepare_{{ ansible_os_family | lower }}.yml"
+      paths:
+        - "tasks"
+  when: task_files
+
 - import_tasks: install.yml
 - import_tasks: config.yml
 - import_tasks: tls.yml

tasks/post_tasks.yml

@@ -23,9 +23,11 @@
   become_user: "{{ postgres_user }}"
 
 - name: Ensure PostgreSQL users are present
+  environment:
+    PGOPTIONS: "-c password_encryption={{ postgres_password_encryption }}"
   postgresql_user:
     name: "{{ item.name }}"
-    password: "{{ 'md5' + (item.password + item.name) | hash('md5') }}"
+    password: "{{ item.password | default(omit) }}"
     encrypted: "{{ item.encrypted | default('yes') }}"
     priv: "{{ item.priv | default(omit) }}"
     role_attr_flags: "{{ item.role_attr_flags | default(omit) }}"

tasks/prepare.yml

@@ -1,9 +1,5 @@
 ---
-- name: Load helper variables
+- name: Add PostgreSQL repository
-  include_vars: "main.yml"
-
-- block:
-    - name: Add PostgreSQL repository
   yum_repository:
     name: "postgresql-{{ __postgres_version }}"
     file: "{{ postgres_repository_filename }}"
@@ -12,13 +8,3 @@
     gpgcheck: yes
     enabled: yes
     gpgkey: "https://download.postgresql.org/pub/repos/yum/RPM-GPG-KEY-PGDG-{{ __postgres_version }}"
-
-    - name: Install dependencies
-      package:
-        name: "{{ item }}"
-        state: present
-      loop:
-        - python2-psycopg2
-  become: True
-  become_user: root
-  when: postgres_repository_enabled | bool

tasks/prepare_redhat_7.yml

@@ -0,0 +1,10 @@
+---
+- name: Install RH7 dependencies
+  package:
+    name: "{{ item }}"
+    state: present
+  loop:
+    - python2-psycopg2
+  become: True
+  become_user: root
+  when: postgres_repository_enabled | bool

tasks/prepare_redhat_8.yml

@@ -0,0 +1,24 @@
+---
+- block:
+    - name: Disable default Postgres module
+      copy:
+        dest: /etc/dnf/modules.d/postgresql.module
+        content: |
+          [postgresql]
+          name=postgresql
+          stream=
+          profiles=
+          state=disabled
+        mode: 644
+        owner: root
+        group: root
+
+    - name: Install RH8 dependencies
+      package:
+        name: "{{ item }}"
+        state: present
+      loop:
+        - python3-psycopg2
+  become: True
+  become_user: root
+  when: postgres_repository_enabled | bool

templates/postgresql/data/postgresql.conf.j2

@@ -2,23 +2,6 @@
 # -----------------------------
 # PostgreSQL configuration file
 # -----------------------------
-#
-# This file consists of lines of the form:
-#
-#   name = value
-#
-# (The "=" is optional.)  Whitespace may be used.  Comments are introduced with
-# "#" anywhere on a line.  The complete list of parameter names and allowed
-# values can be found in the PostgreSQL documentation.
-
-
-#------------------------------------------------------------------------------
-# FILE LOCATIONS
-#------------------------------------------------------------------------------
-
-# The default values of these variables are driven from the -D command-line
-# option or PGDATA environment variable, represented here as ConfigDir.
-
 
 #------------------------------------------------------------------------------
 # CONNECTIONS AND AUTHENTICATION
@@ -29,262 +12,75 @@
 listen_addresses = '{{ postgres_connection_addresses | join(",") }}'
 port = {{ postgres_connection_port }}
 max_connections = 100
-#superuser_reserved_connections = 3
 unix_socket_directories = '{{ postgres_socket_directories | join(",") }}'
-#unix_socket_group = ''
-#unix_socket_permissions = 0777
-#bonjour = off
-#bonjour_name = ''
 
-# - Security and Authentication -
+# - Authentication -
+
+authentication_timeout = 1min
+password_encryption = {{ postgres_password_encryption }}
+
+# - SSL -
 
-#authentication_timeout = 1min
 {% if postgres_tls_enabled %}
 ssl = on
+ssl_cert_file = '{{ __postgres_tls_cert_path }}'
+ssl_key_file = '{{ __postgres_tls_key_path }}'
 {% else %}
 ssl = off
 {% endif %}
 
-{% if postgres_tls_enabled %}
-#ssl_ciphers = 'HIGH:MEDIUM:+3DES:!aNULL'
-#ssl_prefer_server_ciphers = on
-#ssl_ecdh_curve = 'prime256v1'
-#ssl_dh_params_file = ''
-ssl_cert_file = '{{ __postgres_tls_cert_path }}'
-ssl_key_file = '{{ __postgres_tls_key_path }}'
-#ssl_ca_file = ''
-#ssl_crl_file = ''
-{% endif %}
-password_encryption = {{ postgres_password_encryption }}
-#db_user_namespace = off
-#row_security = on
-
-# GSSAPI using Kerberos
-#krb_server_keyfile = ''
-#krb_caseins_users = off
-
-# - TCP Keepalives -
-# see "man 7 tcp" for details
-
-#tcp_keepalives_idle = 0
-#tcp_keepalives_interval = 0
-#tcp_keepalives_count = 0
-
 
 #------------------------------------------------------------------------------
 # RESOURCE USAGE (except WAL)
 #------------------------------------------------------------------------------
+
+# - Memory -
+
 shared_buffers = 128MB
 dynamic_shared_memory_type = posix
 
-# - Disk -
-
-# - Kernel Resource Usage -
-
-# - Cost-Based Vacuum Delay -
-
-# - Background Writer -
-
-# - Asynchronous Behavior -
-
-
-#------------------------------------------------------------------------------
-# WRITE AHEAD LOG
-#------------------------------------------------------------------------------
-
-# - Settings -
-
 # - Checkpoints -
 
-# - Archiving -
+max_wal_size = 1GB
+min_wal_size = 80MB
 
 
 #------------------------------------------------------------------------------
-# REPLICATION
+# REPORTING AND LOGGING
-#------------------------------------------------------------------------------
-
-# - Sending Server(s) -
-
-# Set these on the master and on any standby that will send replication data.
-
-# - Master Server -
-
-# These settings are ignored on a standby server.
-
-# - Standby Servers -
-
-# These settings are ignored on a master server.
-
-# - Subscribers -
-
-# These settings are ignored on a publisher.
-
-
-#------------------------------------------------------------------------------
-# QUERY TUNING
-#------------------------------------------------------------------------------
-
-# - Planner Method Configuration -
-
-# - Planner Cost Constants -
-
-# - Genetic Query Optimizer -
-
-# - Other Planner Options -
-
-
-#------------------------------------------------------------------------------
-# ERROR REPORTING AND LOGGING
 #------------------------------------------------------------------------------
 
 # - Where to Log -
 
 log_destination = '{{ postgres_log_destination | join(",") }}'
-# This is used when logging to stderr:
 {% if "stderr" in postgres_log_destination or "csvlog" in postgres_log_destination %}
 logging_collector = on
 {% else %}
 logging_collector = off
 {% endif %}
-# These are only used if logging_collector is on:
 log_directory = '{{ postgres_log_directory }}'
 log_filename = '{{ postgres_log_filename }}'
-#log_file_mode = 0600
-log_truncate_on_rotation = on
 log_rotation_age = {{ postgres_log_rotation_age }}
 log_rotation_size = {{ postgres_log_rotation_size }}
-
+log_truncate_on_rotation = on
-
-# These are relevant when logging to syslog:
-#syslog_facility = 'LOCAL0'
-#syslog_ident = 'postgres'
-#syslog_sequence_numbers = on
-#syslog_split_messages = on
-
-# - When to Log -
-#client_min_messages = notice
-#log_min_messages = warning
-#log_min_error_statement = error
-#log_min_duration_statement = -1
 
 # - What to Log -
-#debug_print_parse = off
+
-#debug_print_rewritten = off
-#debug_print_plan = off
-#debug_pretty_print = on
-#log_checkpoints = off
-#log_connections = off
-#log_disconnections = off
-#log_duration = off
-#log_error_verbosity = default		# terse, default, or verbose messages
-#log_hostname = off
 log_line_prefix = '%m [%p] '
-#log_lock_waits = off
+log_timezone = 'Etc/UTC'
-#log_statement = 'none'
-#log_replication_commands = off
-#log_temp_files = -1
-log_timezone = 'Europe/Berlin'
-
-
-# - Process Title -
-
-#cluster_name = ''
-#update_process_title = on
-
-
-#------------------------------------------------------------------------------
-# RUNTIME STATISTICS
-#------------------------------------------------------------------------------
-
-# - Query/Index Statistics Collector -
-
-# - Statistics Monitoring -
-
-
-#------------------------------------------------------------------------------
-# AUTOVACUUM PARAMETERS
-#------------------------------------------------------------------------------
 
 
 #------------------------------------------------------------------------------
 # CLIENT CONNECTION DEFAULTS
 #------------------------------------------------------------------------------
 
-# - Statement Behavior -
-
 # - Locale and Formatting -
 
 datestyle = 'iso, mdy'
-#intervalstyle = 'postgres'
+timezone = 'Etc/UTC'
-timezone = 'Europe/Berlin'
-#timezone_abbreviations = 'Default'
-#extra_float_digits = 0
-#client_encoding = sql_ascii
 
-# These settings are initialized by initdb, but they can be changed.
 lc_messages = 'en_US.UTF-8'
-lc_monetary = 'en_US.UTF-8'
+lc_monetary = 'en_US.UTF-8'			# locale for monetary formatting
-lc_numeric = 'en_US.UTF-8'
+lc_numeric = 'en_US.UTF-8'			# locale for number formatting
-lc_time = 'en_US.UTF-8'
+lc_time = 'en_US.UTF-8'				# locale for time formatting
 
-# default configuration for text search
 default_text_search_config = 'pg_catalog.english'
-
-# - Other Defaults -
-
-#dynamic_library_path = '$libdir'
-#local_preload_libraries = ''
-#session_preload_libraries = ''
-
-
-#------------------------------------------------------------------------------
-# LOCK MANAGEMENT
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# VERSION/PLATFORM COMPATIBILITY
-#------------------------------------------------------------------------------
-
-# - Previous PostgreSQL Versions -
-
-#array_nulls = on
-#backslash_quote = safe_encoding
-#default_with_oids = off
-#escape_string_warning = on
-#lo_compat_privileges = off
-#operator_precedence_warning = off
-#quote_all_identifiers = off
-#standard_conforming_strings = on
-#synchronize_seqscans = on
-
-# - Other Platforms and Clients -
-
-#transform_null_equals = off
-
-
-#------------------------------------------------------------------------------
-# ERROR HANDLING
-#------------------------------------------------------------------------------
-
-#exit_on_error = off			# terminate session on any error?
-#restart_after_crash = on		# reinitialize after backend crash?
-
-
-#------------------------------------------------------------------------------
-# CONFIG FILE INCLUDES
-#------------------------------------------------------------------------------
-
-# These options allow settings to be loaded from files other than the
-# default postgresql.conf.
-
-#include_dir = 'conf.d'
-#include_if_exists = 'exists.conf'
-#include = 'special.conf'
-
-
-#------------------------------------------------------------------------------
-# CUSTOMIZED OPTIONS
-#------------------------------------------------------------------------------
-
-# Add settings for extensions here