refactor: move to podman container setup

.drone.jsonnet

@@ -41,7 +41,7 @@ local PipelineLinting = {
   },
 };
 
-local PipelineDeployment(scenario='centos7') = {
+local PipelineDeployment(scenario='rocky9') = {
   kind: 'pipeline',
   name: 'testing-' + scenario,
   platform: {
@@ -115,8 +115,7 @@ local PipelineDocumentation = {
     ref: ['refs/heads/main', 'refs/tags/**', 'refs/pull/**'],
   },
   depends_on: [
-    'testing-centos7',
-    'testing-rocky8',
+    'testing-rocky9',
   ],
 };
 
@@ -154,8 +153,7 @@ local PipelineNotification = {
 
 [
   PipelineLinting,
-  PipelineDeployment(scenario='centos7'),
-  PipelineDeployment(scenario='rocky8'),
+  PipelineDeployment(scenario='rocky9'),
   PipelineDocumentation,
   PipelineNotification,
 ]

.drone.yml

@@ -36,7 +36,7 @@ trigger:
 
 ---
 kind: pipeline
-name: testing-centos7
+name: testing-rocky9
 
 platform:
   os: linux
@@ -53,40 +53,7 @@ steps:
   - name: ansible-molecule
     image: thegeeklab/molecule:4
     commands:
-      - molecule test -s centos7
-    environment:
-      HCLOUD_TOKEN:
-        from_secret: hcloud_token
-
-trigger:
-  ref:
-    - refs/heads/main
-    - refs/tags/**
-    - refs/pull/**
-
-depends_on:
-  - linting
-
----
-kind: pipeline
-name: testing-rocky8
-
-platform:
-  os: linux
-  arch: amd64
-
-concurrency:
-  limit: 1
-
-workspace:
-  base: /drone/src
-  path: ${DRONE_REPO_NAME}
-
-steps:
-  - name: ansible-molecule
-    image: thegeeklab/molecule:4
-    commands:
-      - molecule test -s rocky8
+      - molecule test -s rocky9
     environment:
       HCLOUD_TOKEN:
         from_secret: hcloud_token
@@ -141,8 +108,7 @@ trigger:
     - refs/pull/**
 
 depends_on:
-  - testing-centos7
-  - testing-rocky8
+  - testing-rocky9
 
 ---
 kind: pipeline
@@ -182,6 +148,6 @@ depends_on:
 
 ---
 kind: signature
-hmac: 7353897e25c84160f6b3c20326eef030f8ca14b29e6222577987b44ed52e74c9
+hmac: 254bcb40ef9b131e680482b851975b18ebecb5ce9ce316bfe00b5d672c7e6de1
 
 ...

defaults/main.yml

@@ -1,93 +1,62 @@
 ---
-postgres_repository_enabled: False
-postgres_version: 14
-postgres_repository_filename: "Postgresql-{{ postgres_version | regex_replace('\\.') }}"
+postgres_image: "docker.io/library/postgres:latest"
+
+# @var postgres_volumes:description: > Define required docker volumes.
+# @end
+# @var postgres_volumes:example: >
+# postgres_volumes:
+#   - name: data
+#     # target location inside the container
+#     dest: /var/lib/postgresql/data
+#     type: volume
+# @end
+postgres_volumes:
+  - name: "postgres-data"
+    dest: /var/lib/postgresql/data
+
+# @var postgres_network:description: >
+# Name of the container network. If the name ends with `.network`, the network will be created with the specified configuration.
+# Otherwise, the network must already exist and the container will be attached to the network.
+# @end
+postgres_network: "postgres.network"
+postgres_network_ipv6_enabled: False
+# @var postgres_network_ipv6_subnet:value: $ "_unset_"
+# @var postgres_network_ipv6_subnet:example: $ "fd00:0:0:2::/64"
+# @var postgres_network_ipv6_gateway:value: $ "_unset_"
+# @var postgres_network_ipv6_gateway:example: $ "fd00:0:0:2::1"
+
+# @var postgres_network_ipv4_subnet:value: $ "_unset_"
+# @var postgres_network_ipv4_gateway:value: $ "_unset_"
+
+# @var postgres_exposed_ports:description: >
+# Ports you want to publish outside of Docker. Postgres is running on `5432` inside of the container.
+# @end
+postgres_exposed_ports: []
+
+postgres_cap_add: []
+postgres_cap_drop: []
+
+postgres_podman_args:
+  - --pids-limit=-1
+  - --health-cmd='["pg_isready", "-d", "{{ postgres_db }}"]'
+  - --health-interval=5s
+  - --health-timeout=5s
+  - --health-retries=6
+  - --health-on-failure=kill
+  - --workdir=/var/lib/postgresql/data
+
+postgres_log_level: warning
+
 postgres_user: postgres
-postgres_group: postgres
+postgres_password: postgres
+postgres_db: postgres
 
-# @var postgres_base_dir: $ "_osdefault_"
-
-postgres_log_destination:
-  - stderr
-postgres_log_directory: log
-postgres_log_filename: postgresql.log
-postgres_log_rotation_age: 1d
-postgres_log_rotation_size: 0
-
-postgres_connection_port: 5432
-postgres_connection_addresses:
-  - localhost
-postgres_socket_directories:
-  - /var/run/postgresql
-
-postgres_password_encryption: scram-sha-256
+postgres_host_auth_method: scram-sha-256
+postgres_initdb_args:
+  - --auth-host=scram-sha-256
+  - --auth-local=scram-sha-256
 
 postgres_tls_enabled: False
-postgres_tls_cert_filename: "mycert.pem"
-postgres_tls_key_filename: "mykey.pem"
-postgres_tls_cert_source: mycert.pem
-postgres_tls_key_source: mykey.pem
-
-postgres_users: []
-# @var postgres_users:example: >
-# postgres_users:
-#   - name: jdoe #required; the rest are optional
-#     password: # defaults to not set
-#     encrypted: # defaults to 'yes'
-#     priv: # defaults to not set
-#     role_attr_flags: # defaults to not set
-#     db: # defaults to not set
-#     login_host: # defaults to 'localhost'
-#     login_password: # defaults to not set
-#     login_user: # defaults to '{{ postgres_user }}'
-#     login_unix_socket: # defaults to 1st of postgres_socket_directories
-#     port: # defaults to not set
-#     state: # defaults to 'present'
-#     pam_user: # defaults to not set
-# @end
-
-postgres_users_extra: []
-
-postgres_dbs: []
-# @var postgres_db:example: >
-# postgres_db:
-#   - name: "my_app"
-#     lc_collate: "en_US.UTF-8"
-#     lc_ctype: "en_US.UTF-8"
-#     encoding: "UTF-8"
-#     template: "template0"
-#     login_host: "localhost"
-#     login_password: "_omit_"
-#     login_user: "{{ postgres_user }}"
-#     login_unix_socket: "_omit_"
-#     port: "_omit_"
-#     owner: "_omit_"
-#     state: "present"
-# @end
-
-postgres_dbs_extra: []
-
-postgres_clean_hba_file: True
-postgres_hba_entries:
-  - contype: local
-    databases:
-      - all
-    users:
-      - all
-    auth_method: trust
-  - contype: host
-    databases:
-      - all
-    users:
-      - all
-    address: "127.0.0.1/32"
-    auth_method: "{{ postgres_password_encryption }}"
-  - contype: host
-    databases:
-      - all
-    users:
-      - all
-    address: "::1/128"
-    auth_method: "{{ postgres_password_encryption }}"
-
-postgres_hba_entries_extra: []
+postgres_tls_ca_file: "/var/lib/postgresql/tls/CA.pem"
+postgres_tls_cert_file: "/var/lib/postgresql/tls/cert.pem"
+postgres_tls_key_file: "/var/lib/postgresql/tls/key.pem"

handlers/main.yml

@@ -1,17 +1,7 @@
 ---
-- block:
-    - name: Restart service
-      service:
-        name: "{{ __postgres_daemon }}"
-        state: restarted
-        enabled: yes
-        daemon_reload: yes
-      listen: __postgres_restart
-
-    - name: Reload service
-      service:
-        name: "{{ __postgres_daemon }}"
-        state: reloaded
-      listen: __postgres_reload
-  become: True
-  become_user: root
+- name: Restart PostgreSQL
+  service:
+    name: postgres
+    state: restarted
+    daemon_reload: True
+  listen: __postgres_restart

meta/main.yml

@@ -16,15 +16,17 @@ galaxy_info:
   # @end
   description: Setup a PostgreSQL database server
   license: MIT
-  min_ansible_version: 2.10
+  min_ansible_version: "2.10"
   platforms:
     - name: EL
       versions:
-        - 7
+        - "9"
   galaxy_tags:
     - db
     - postgres
     - postgresql
 dependencies: []
 collections:
+  - xoxys.general
   - community.general
+  - containers.podman

molecule/centos7/converge.yml

@@ -1,15 +0,0 @@
----
-- name: Converge
-  hosts: all
-  vars:
-    postgres_repository_enabled: True
-    postgres_users:
-      - name: "pgdemo"
-        password: "secure"
-        priv: ALL
-        db: "demo"
-    postgres_dbs:
-      - name: demo
-
-  roles:
-    - role: xoxys.postgres

molecule/centos7/create.yml

@@ -1,120 +0,0 @@
----
-- name: Create
-  hosts: localhost
-  connection: local
-  gather_facts: false
-  no_log: "{{ molecule_no_log }}"
-  vars:
-    ssh_port: 22
-    ssh_user: root
-    ssh_path: "{{ lookup('env', 'MOLECULE_EPHEMERAL_DIRECTORY') }}/ssh_key"
-  tasks:
-    - name: Create SSH key
-      user:
-        name: "{{ lookup('env', 'USER') }}"
-        generate_ssh_key: true
-        ssh_key_file: "{{ ssh_path }}"
-        force: true
-      register: generated_ssh_key
-
-    - name: Register the SSH key name
-      set_fact:
-        ssh_key_name: "molecule-generated-{{ 12345 | random | to_uuid }}"
-
-    - name: Register SSH key for test instance(s)
-      hcloud_ssh_key:
-        name: "{{ ssh_key_name }}"
-        public_key: "{{ generated_ssh_key.ssh_public_key }}"
-        state: present
-
-    - name: Create molecule instance(s)
-      hcloud_server:
-        name: "{{ item.name }}"
-        server_type: "{{ item.server_type }}"
-        ssh_keys:
-          - "{{ ssh_key_name }}"
-        image: "{{ item.image }}"
-        location: "{{ item.location | default(omit) }}"
-        datacenter: "{{ item.datacenter | default(omit) }}"
-        user_data: "{{ item.user_data | default(omit) }}"
-        api_token: "{{ lookup('env', 'HCLOUD_TOKEN') }}"
-        state: present
-      register: server
-      loop: "{{ molecule_yml.platforms }}"
-      async: 7200
-      poll: 0
-
-    - name: Wait for instance(s) creation to complete
-      async_status:
-        jid: "{{ item.ansible_job_id }}"
-      register: hetzner_jobs
-      until: hetzner_jobs.finished
-      retries: 300
-      loop: "{{ server.results }}"
-
-    - name: Create volume(s)
-      hcloud_volume:
-        name: "{{ item.name }}"
-        server: "{{ item.name }}"
-        location: "{{ item.location | default(omit) }}"
-        size: "{{ item.volume_size | default(10) }}"
-        api_token: "{{ lookup('env', 'HCLOUD_TOKEN') }}"
-        state: "present"
-      loop: "{{ molecule_yml.platforms }}"
-      when: item.volume | default(False) | bool
-      register: volumes
-      async: 7200
-      poll: 0
-
-    - name: Wait for volume(s) creation to complete
-      async_status:
-        jid: "{{ item.ansible_job_id }}"
-      register: hetzner_volumes
-      until: hetzner_volumes.finished
-      retries: 300
-      when: volumes.changed
-      loop: "{{ volumes.results }}"
-
-    # Mandatory configuration for Molecule to function.
-
-    - name: Populate instance config dict
-      set_fact:
-        instance_conf_dict:
-          {
-            "instance": "{{ item.hcloud_server.name }}",
-            "ssh_key_name": "{{ ssh_key_name }}",
-            "address": "{{ item.hcloud_server.ipv4_address }}",
-            "user": "{{ ssh_user }}",
-            "port": "{{ ssh_port }}",
-            "identity_file": "{{ ssh_path }}",
-            "volume": "{{ item.item.item.volume | default(False) | bool }}",
-          }
-      loop: "{{ hetzner_jobs.results }}"
-      register: instance_config_dict
-      when: server.changed | bool
-
-    - name: Convert instance config dict to a list
-      set_fact:
-        instance_conf: "{{ instance_config_dict.results | map(attribute='ansible_facts.instance_conf_dict') | list }}"
-      when: server.changed | bool
-
-    - name: Dump instance config
-      copy:
-        content: |
-          # Molecule managed
-
-          {{ instance_conf | to_nice_yaml(indent=2) }}
-        dest: "{{ molecule_instance_config }}"
-      when: server.changed | bool
-
-    - name: Wait for SSH
-      wait_for:
-        port: "{{ ssh_port }}"
-        host: "{{ item.address }}"
-        search_regex: SSH
-        delay: 10
-      loop: "{{ lookup('file', molecule_instance_config) | from_yaml }}"
-
-    - name: Wait for VM to settle down
-      pause:
-        seconds: 30

molecule/centos7/molecule.yml

@@ -1,24 +0,0 @@
----
-dependency:
-  name: galaxy
-  options:
-    role-file: molecule/requirements.yml
-    requirements-file: molecule/requirements.yml
-  env:
-    ANSIBLE_GALAXY_DISPLAY_PROGRESS: "false"
-driver:
-  name: delegated
-platforms:
-  - name: centos7-postgres
-    image: centos-7
-    server_type: cx11
-lint: |
-  /usr/local/bin/flake8
-provisioner:
-  name: ansible
-  env:
-    ANSIBLE_FILTER_PLUGINS: ${ANSIBLE_FILTER_PLUGINS:-./plugins/filter}
-    ANSIBLE_LIBRARY: ${ANSIBLE_LIBRARY:-./library}
-  log: False
-verifier:
-  name: testinfra

molecule/default

@@ -1 +1 @@
-rocky8
+rocky9

molecule/requirements.yml

@@ -1,6 +1,12 @@
 ---
 collections:
-  - name: https://gitea.rknet.org/ansible/xoxys.general/releases/download/v2.1.1/xoxys-general-2.1.1.tar.gz
+  - name: https://gitea.rknet.org/ansible/xoxys.general
+    type: git
   - name: community.general
+  - name: containers.podman
 
-roles: []
+roles:
+  - src: https://gitea.rknet.org/ansible/xoxys.podman
+    name: xoxys.podman
+    scm: git
+    version: main

molecule/rocky8/converge.yml

@@ -1,15 +0,0 @@
----
-- name: Converge
-  hosts: all
-  vars:
-    postgres_repository_enabled: True
-    postgres_users:
-      - name: "pgdemo"
-        password: "secure"
-        priv: ALL
-        db: "demo"
-    postgres_dbs:
-      - name: demo
-
-  roles:
-    - role: xoxys.postgres

molecule/rocky8/destroy.yml

@@ -1,78 +0,0 @@
----
-- name: Destroy
-  hosts: localhost
-  connection: local
-  gather_facts: false
-  no_log: "{{ molecule_no_log }}"
-  tasks:
-    - name: Check existing instance config file
-      stat:
-        path: "{{ molecule_instance_config }}"
-      register: cfg
-
-    - name: Populate the instance config
-      set_fact:
-        instance_conf: "{{ (lookup('file', molecule_instance_config) | from_yaml) if cfg.stat.exists else [] }}"
-
-    - name: Destroy molecule instance(s)
-      hcloud_server:
-        name: "{{ item.instance }}"
-        api_token: "{{ lookup('env', 'HCLOUD_TOKEN') }}"
-        state: absent
-      register: server
-      loop: "{{ instance_conf }}"
-      async: 7200
-      poll: 0
-
-    - name: Wait for instance(s) deletion to complete
-      async_status:
-        jid: "{{ item.ansible_job_id }}"
-      register: hetzner_jobs
-      until: hetzner_jobs.finished
-      retries: 300
-      loop: "{{ server.results }}"
-
-    - pause:
-        seconds: 5
-
-    - name: Destroy volume(s)
-      hcloud_volume:
-        name: "{{ item.instance }}"
-        server: "{{ item.instance }}"
-        api_token: "{{ lookup('env', 'HCLOUD_TOKEN') }}"
-        state: "absent"
-      register: volumes
-      loop: "{{ instance_conf }}"
-      when: item.volume | default(False) | bool
-      async: 7200
-      poll: 0
-
-    - name: Wait for volume(s) deletion to complete
-      async_status:
-        jid: "{{ item.ansible_job_id }}"
-      register: hetzner_volumes
-      until: hetzner_volumes.finished
-      retries: 300
-      when: volumes.changed
-      loop: "{{ volumes.results }}"
-
-    - name: Remove registered SSH key
-      hcloud_ssh_key:
-        name: "{{ instance_conf[0].ssh_key_name }}"
-        state: absent
-      when: (instance_conf | default([])) | length > 0
-
-    # Mandatory configuration for Molecule to function.
-
-    - name: Populate instance config
-      set_fact:
-        instance_conf: {}
-
-    - name: Dump instance config
-      copy:
-        content: |
-          # Molecule managed
-
-          {{ instance_conf | to_nice_yaml(indent=2) }}
-        dest: "{{ molecule_instance_config }}"
-      when: server.changed | bool

molecule/rocky8/prepare.yml

@@ -1,15 +0,0 @@
----
-- name: Prepare
-  hosts: all
-  gather_facts: false
-  tasks:
-    - name: Bootstrap python for Ansible
-      raw: |
-        command -v python3 python || (
-        (test -e /usr/bin/dnf && sudo dnf install -y python3) ||
-        (test -e /usr/bin/apt && (apt -y update && apt install -y python-minimal)) ||
-        (test -e /usr/bin/yum && sudo yum -y -qq install python3) ||
-        echo "Warning: Python not boostrapped due to unknown platform."
-        )
-      become: true
-      changed_when: false

molecule/rocky8/tests/test_default.py

@@ -1,28 +0,0 @@
-import os
-
-import testinfra.utils.ansible_runner
-
-testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
-    os.environ["MOLECULE_INVENTORY_FILE"]
-).get_hosts("all")
-
-
-def test_postgres_is_installed(host):
-    postgres = host.package("postgresql14-server")
-    assert postgres.is_installed
-
-
-def test_postgres_running_and_enabled(host):
-    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/rocky9/converge.yml

@@ -0,0 +1,10 @@
+---
+- name: Converge
+  hosts: all
+  roles:
+    - role: xoxys.podman
+    - role: xoxys.postgres
+  vars:
+    postgres_exposed_ports:
+      - 127.0.0.1:5432:5432
+    postgres_log_level: info

molecule/rocky9/create.yml

@@ -117,4 +117,4 @@
 
     - name: Wait for VM to settle down
       pause:
-        seconds: 30
+        seconds: 30

molecule/rocky9/default

@@ -0,0 +1 @@
+default

molecule/rocky9/destroy.yml

@@ -75,4 +75,4 @@
 
           {{ instance_conf | to_nice_yaml(indent=2) }}
         dest: "{{ molecule_instance_config }}"
-      when: server.changed | bool
+      when: server.changed | bool

molecule/rocky9/molecule.yml

@@ -9,8 +9,8 @@ dependency:
 driver:
   name: delegated
 platforms:
-  - name: rocky8-postgres
-    image: rocky-8
+  - name: rocky9-postgres
+    image: rocky-9
     server_type: cx11
 lint: |
   /usr/local/bin/flake8

molecule/rocky9/tests/test_default.py

@@ -7,19 +7,17 @@ testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
 ).get_hosts("all")
 
 
-def test_postgres_is_installed(host):
-    postgres = host.package("postgresql14-server")
-    assert postgres.is_installed
-
-
 def test_postgres_running_and_enabled(host):
-    postgres = host.service("postgresql-14")
+    postgres = host.service("postgres")
     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")
+    login = host.run(
+        "source /etc/containers/systemd/postgres.env;"
+        "podman exec --env PGPASSWORD=$POSTGRES_PASSWORD systemd-postgres psql -U$POSTGRES_USER -c 'select 1' -q $POSTGRES_DB"  # noqa :E501
+    )
     assert login.succeeded
 
 

tasks/config.yml

@@ -1,34 +0,0 @@
----
-- block:
-    - name: Setup global config file
-      template:
-        src: postgresql/data/postgresql.conf.j2
-        dest: "{{ __postgres_config_path }}/postgresql.conf"
-        mode: 0600
-      notify: __postgres_restart
-
-    - name: Create local users for pam auth
-      user:
-        name: "{{ item.name }}"
-        password: "{{ item.password | password_hash('sha512', 65534 | random(seed=inventory_hostname) | string) }}"
-        state: "{{ item.state | default('present') }}"
-      loop: "{{ postgres_users }}"
-      loop_control:
-        label: "{{ item.name }}"
-      when: item.pam_user | default(False)
-
-    - name: Setup client authentication
-      postgresql_pg_hba:
-        dest: "{{ __postgres_config_path }}/pg_hba.conf"
-        contype: "{{ item.contype | default('local') }}"
-        users: "{{ item.users | default(['all']) | join(',') }}"
-        address: "{{ item.address | default('all') }}"
-        databases: "{{ item.databases | default(['all']) | join(',') }}"
-        method: "{{ item.auth_method | default(postgres_password_encryption) }}"
-        state: "{{ item.state | default('present') }}"
-      loop: "{{ postgres_hba_entries + postgres_hba_entries_extra }}"
-      loop_control:
-        label: "{{ item.address | default('samehost') }}:{{ item.databases | default(['all']) | join(',') }}:{{ item.users | default(['all']) | join(',') }}"
-      notify: __postgres_restart
-  become: True
-  become_user: root

tasks/install.yml

@@ -1,48 +0,0 @@
----
-- block:
-    - name: Install PostgreSQL
-      package:
-        name: "{{ item }}"
-        state: present
-      loop: "{{ __postgres_packages }}"
-
-    - name: Ensure data directory exists
-      file:
-        path: "{{ __postgres_data_dir }}"
-        owner: "{{ postgres_user }}"
-        group: "{{ postgres_group }}"
-        state: directory
-        mode: 0700
-
-    - name: Setup custom systemd service
-      template:
-        src: etc/systemd/system/postgresql.service.j2
-        dest: "/etc/systemd/system/{{ __postgres_daemon }}.service"
-        mode: 0644
-      notify: __postgres_restart
-      register: __postgres_systemd
-
-    - name: Force systemd to re-read configs
-      service:
-        daemon_reload: True
-      when: __postgres_systemd.changed
-
-    - name: Check if database is initialized
-      stat:
-        path: "{{ __postgres_data_dir }}/PG_VERSION"
-      register: __pgdata_dir_version
-
-    - name: Ensure database is initialized
-      command: "/usr/pgsql-{{ __postgres_version }}/bin/postgresql-{{ __postgres_version }}-setup initdb"
-      when: not __pgdata_dir_version.stat.exists
-
-    - name: Override default pg_hba.conf with a clean one
-      template:
-        src: templates/postgresql/data/pg_hba.conf.j2
-        dest: "{{ __postgres_config_path }}/pg_hba.conf"
-        mode: 0644
-      when:
-        - not __pgdata_dir_version.stat.exists
-        - postgres_clean_hba_file | bool
-  become: True
-  become_user: root

tasks/main.yml

@@ -1,20 +1,56 @@
 ---
-- import_tasks: prepare.yml
+- block:
+    - name: Create network specs
+      template:
+        src: etc/containers/systemd/postgres.network.j2
+        dest: "/etc/containers/systemd/postgres.network"
+        owner: root
+        group: root
+        mode: "0640"
+      when: postgres_network | splitext | last == ".network"
+      notify: __postgres_restart
 
-- 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
+    - name: Create container volumes
+      containers.podman.podman_volume:
+        name: "{{ item.name }}"
+        options: "{{ item.options | default(omit) }}"
+        state: "{{ item.state | default('present') }}"
+      loop: "{{ postgres_volumes }}"
+      loop_control:
+        label: "{{ item.name }}"
+      when: item.type | default("volume") | lower == "volume"
+      register: __postgres_volumes_raw
 
-- import_tasks: install.yml
-- import_tasks: config.yml
-- import_tasks: tls.yml
-  when: postgres_tls_enabled | bool
-  tags: tls_renewal
-- import_tasks: post_tasks.yml
+    - name: Register container volumes map
+      set_fact:
+        __postgres_volumes_map: "{{ __postgres_volumes_raw.results | json_query('[].volume') | items2dict(key_name='Name', value_name='Mountpoint') }}"
+
+    - name: Deploy postgres env files
+      template:
+        src: "etc/containers/systemd/{{ item }}.j2"
+        dest: "/etc/containers/systemd/{{ item }}"
+        owner: root
+        group: root
+        mode: "0640"
+      loop:
+        - postgres.env
+        - postgres.sys.env
+      notify: __postgres_restart
+
+    - name: Create container specs
+      template:
+        src: etc/containers/systemd/postgres.container.j2
+        dest: "/etc/containers/systemd/postgres.container"
+        owner: root
+        group: root
+        mode: "0640"
+      notify: __postgres_restart
+
+    - name: Ensure service state
+      systemd:
+        name: "postgres.service"
+        state: started
+        daemon_reload: True
+        enabled: True
+  become: True
+  become_user: root

tasks/post_tasks.yml

@@ -1,53 +0,0 @@
----
-- name: Force all notified handlers to activate pg_hba.conf
-  meta: flush_handlers
-
-- name: Ensure postgres databases are present
-  postgresql_db:
-    name: "{{ item.name }}"
-    lc_collate: "{{ item.lc_collate | default('en_US.UTF-8') }}"
-    lc_ctype: "{{ item.lc_ctype | default('en_US.UTF-8') }}"
-    encoding: "{{ item.encoding | default('UTF-8') }}"
-    template: "{{ item.template | default('template0') }}"
-    login_host: "{{ item.login_host | default(omit) }}"
-    login_password: "{{ item.login_password | default(omit) }}"
-    login_user: "{{ item.login_user | default(postgres_user) }}"
-    login_unix_socket: "{{ item.login_unix_socket | default(omit) }}"
-    port: "{{ item.port | default(omit) }}"
-    owner: "{{ item.owner | default(omit) }}"
-    state: "{{ item.state | default('present') }}"
-  loop: "{{ postgres_dbs + postgres_dbs_extra }}"
-  loop_control:
-    label: "{{ item.name }}"
-  become: True
-  become_user: "{{ postgres_user }}"
-
-- name: Ensure PostgreSQL users are present
-  environment:
-    PGOPTIONS: "-c password_encryption={{ postgres_password_encryption }}"
-  postgresql_user:
-    name: "{{ item.name }}"
-    password: "{{ item.password | default(omit) }}"
-    encrypted: "{{ item.encrypted | default('yes') }}"
-    priv: "{{ item.priv | default(omit) }}"
-    role_attr_flags: "{{ item.role_attr_flags | default(omit) }}"
-    db: "{{ item.db | default(omit) }}"
-    login_host: "{{ item.login_host | default(omit) }}"
-    login_password: "{{ item.login_password | default(omit) }}"
-    login_user: "{{ item.login_user | default(postgres_user) }}"
-    login_unix_socket: "{{ item.login_unix_socket | default(postgres_socket_directories[0]) }}"
-    port: "{{ item.port | default(omit) }}"
-    state: "{{ item.state | default('present') }}"
-  loop: "{{ postgres_users + postgres_users_extra }}"
-  loop_control:
-    label: "{{ item.name }}"
-  become: True
-  become_user: "{{ postgres_user }}"
-
-- name: Ensure PostgreSQL is up and running
-  service:
-    name: "{{ __postgres_daemon }}"
-    state: started
-    enabled: yes
-  become: True
-  become_user: root

tasks/prepare.yml

@@ -1,13 +0,0 @@
----
-- name: Add PostgreSQL repository
-  yum_repository:
-    name: "postgresql-{{ __postgres_version }}"
-    file: "{{ postgres_repository_filename }}"
-    description: "PostgreSQL {{ __postgres_version }} yum repository"
-    baseurl: "https://download.postgresql.org/pub/repos/yum/{{ __postgres_version }}/redhat/rhel-{{ ansible_distribution_major_version }}-{{ ansible_architecture }}"
-    gpgcheck: yes
-    enabled: yes
-    gpgkey: "https://download.postgresql.org/pub/repos/yum/RPM-GPG-KEY-PGDG-{{ __postgres_version }}"
-  become: True
-  become_user: root
-  when: postgres_repository_enabled | bool

tasks/prepare_redhat_7.yml

@@ -1,9 +0,0 @@
----
-- name: Install rh7 dependencies
-  package:
-    name: "{{ item }}"
-    state: present
-  loop:
-    - python-psycopg2
-  become: True
-  become_user: root

tasks/prepare_redhat_8.yml

@@ -1,24 +0,0 @@
----
-- block:
-    - name: Disable default Postgres module
-      copy:
-        dest: /etc/dnf/modules.d/postgresql.module
-        content: |
-          [postgresql]
-          name=postgresql
-          stream=
-          profiles=
-          state=disabled
-        mode: 0644
-        owner: root
-        group: root
-      when: postgres_repository_enabled | bool
-
-    - name: Install rh8 dependencies
-      package:
-        name: "{{ item }}"
-        state: present
-      loop:
-        - python3-psycopg2
-  become: True
-  become_user: root

tasks/tls.yml

@@ -1,29 +0,0 @@
----
-- block:
-    - name: Create tls folder structure
-      file:
-        path: "{{ item }}"
-        state: directory
-        owner: "{{ postgres_user }}"
-        group: "{{ postgres_group }}"
-        recurse: True
-      loop:
-        - "{{ __postgres_tls_key_path | dirname }}"
-        - "{{ __postgres_tls_cert_path | dirname }}"
-  become: True
-  become_user: root
-
-- block:
-    - name: Copy certs and private key
-      copy:
-        src: "{{ item.src }}"
-        dest: "{{ item.dest }}"
-        mode: "{{ item.mode }}"
-      loop:
-        - { src: "{{ postgres_tls_key_source }}", dest: '{{ __postgres_tls_key_path }}', mode: '0600' }
-        - { src: "{{ postgres_tls_cert_source }}", dest: '{{ __postgres_tls_cert_path }}', mode: '0750' }
-      loop_control:
-        label: "{{ item.dest }}"
-      notify: __postgres_reload
-  become: True
-  become_user: "{{ postgres_user }}"

templates/etc/containers/systemd/postgres.container.j2

@@ -0,0 +1,38 @@
+#jinja2: lstrip_blocks: True
+{{ ansible_managed | comment }}
+[Install]
+WantedBy=default.target
+
+[Service]
+Restart=on-failure
+RestartSec=5s
+
+EnvironmentFile=/etc/containers/systemd/postgres.sys.env
+ExecReload=/usr/bin/podman kill --signal=SIGHUP %p
+
+[Container]
+Image={{ postgres_image }}
+Exec=postgres $POSTGRES_ARGS
+EnvironmentFile=/etc/containers/systemd/postgres.env
+User=999
+Group=999
+{% for item in postgres_volumes %}
+Volume={{ item.name }}:{{ item.dest }}{{ ":" + item.opts if item.opts is defined else "" }}
+{% endfor %}
+{% if (postgres_cap_add + postgres_cap_drop) | length > 0 %}
+
+{% if postgres_cap_add | length > 0 %}
+AddCapability={{ postgres_cap_add | join(" ") }}
+{% endif %}
+{% if postgres_cap_drop | length > 0 %}
+DropCapability={{ postgres_cap_drop | join(" ") }}
+{% endif %}
+{% endif %}
+
+Network={{ postgres_network }}
+{% for item in postgres_exposed_ports %}
+PublishPort={{ item }}
+{% endfor %}
+{% for item in postgres_podman_args %}
+PodmanArgs={{ item }}
+{% endfor %}

templates/etc/containers/systemd/postgres.env.j2

@@ -0,0 +1,12 @@
+#jinja2: lstrip_blocks: True
+{{ ansible_managed | comment }}
+POSTGRES_USER={{ postgres_user }}
+POSTGRES_PASSWORD={{ postgres_password }}
+POSTGRES_DB={{ postgres_db }}
+
+{% if postgres_host_auth_method is defined %}
+POSTGRES_HOST_AUTH_METHOD={{ postgres_host_auth_method }}
+{% endif %}
+{% if postgres_initdb_args | length > 0 %}
+POSTGRES_INITDB_ARGS="{{ postgres_initdb_args | join(' ') }}"
+{% endif %}

templates/etc/containers/systemd/postgres.network.j2

@@ -0,0 +1,19 @@
+#jinja2: lstrip_blocks: True
+{{ ansible_managed | comment }}
+[Network]
+{% if postgres_network_ipv4_subnet is defined %}
+Subnet={{ postgres_network_ipv4_subnet }}
+{% endif %}
+{% if postgres_network_ipv4_gateway is defined %}
+Gateway={{ postgres_network_ipv4_gateway }}
+{% endif %}
+IPv6={{ postgres_network_ipv6_enabled | bool | lower }}
+{% if postgres_network_ipv6_enabled | bool %}
+{% if postgres_network_ipv6_subnet is defined %}
+Subnet={{ postgres_network_ipv6_subnet }}
+{% endif %}
+{% if postgres_network_ipv6_gateway is defined %}
+Gateway={{ postgres_network_ipv6_gateway }}
+{% endif %}
+{% endif %}
+Label=app=postgres

templates/etc/containers/systemd/postgres.sys.env.j2

@@ -0,0 +1,28 @@
+#jinja2: lstrip_blocks: True
+{{ ansible_managed | comment }}
+POSTGRES_ARGS=-c timezone='Etc/UTC' -c log_min_messages={{ postgres_log_level }} -c log_timezone='Etc/UTC' \
+    {% if postgres_tls_enabled %}
+    -c ssl=on \
+    {% if postgres_tls_ca_file is defined %}
+    -c ssl_ca_file='{{ postgres_tls_ca_file }}' \
+    {% endif %}
+    {% if postgres_tls_cert_file is defined %}
+    -c ssl_cert_file='{{ postgres_tls_cert_file }}' \
+    {% endif %}
+    {% if postgres_tls_key_file is defined %}
+    -c ssl_key_file='{{ postgres_tls_key_file }}' \
+    {% endif %}
+    -c ssl_ciphers='HIGH:MEDIUM:+3DES:!aNULL' \
+    -c ssl_prefer_server_ciphers=on \
+    -c ssl_ecdh_curve='prime256v1' \
+    -c ssl_min_protocol_version='TLSv1.2' \
+    {% else %}
+    -c ssl=off \
+    {% endif %}
+    -c datestyle='iso, mdy' \
+    -c lc_messages='en_US.UTF-8' \
+    -c lc_monetary='en_US.UTF-8' \
+    -c lc_numeric='en_US.UTF-8' \
+    -c lc_time='en_US.UTF-8' \
+    -c default_text_search_config='pg_catalog.english' \
+    -c port=5432

templates/etc/systemd/system/postgresql.service.j2

@@ -1,4 +0,0 @@
-{{ ansible_managed | comment }}
-.include {{ __postgres_service_file }}
-[Service]
-Environment=PGDATA={{ __postgres_data_dir }}

templates/postgresql/data/pg_hba.conf.j2

@@ -1,5 +0,0 @@
-# PostgreSQL Client Authentication Configuration File
-# ===================================================
-#
-# See: https://www.postgresql.org/docs/current/static/auth-pg-hba-conf.html
-# TYPE  DATABASE        USER            ADDRESS                 METHOD

templates/postgresql/data/postgresql.conf.j2

@@ -1,86 +0,0 @@
-{{ ansible_managed | comment }}
-# -----------------------------
-# PostgreSQL configuration file
-# -----------------------------
-
-#------------------------------------------------------------------------------
-# CONNECTIONS AND AUTHENTICATION
-#------------------------------------------------------------------------------
-
-# - Connection Settings -
-
-listen_addresses = '{{ postgres_connection_addresses | join(",") }}'
-port = {{ postgres_connection_port }}
-max_connections = 100
-unix_socket_directories = '{{ postgres_socket_directories | join(",") }}'
-
-# - Authentication -
-
-authentication_timeout = 1min
-password_encryption = {{ postgres_password_encryption }}
-
-# - SSL -
-
-{% if postgres_tls_enabled %}
-ssl = on
-ssl_cert_file = '{{ __postgres_tls_cert_path }}'
-ssl_key_file = '{{ __postgres_tls_key_path }}'
-{% else %}
-ssl = off
-{% endif %}
-
-
-#------------------------------------------------------------------------------
-# RESOURCE USAGE (except WAL)
-#------------------------------------------------------------------------------
-
-# - Memory -
-
-shared_buffers = 128MB
-dynamic_shared_memory_type = posix
-
-# - Checkpoints -
-
-max_wal_size = 1GB
-min_wal_size = 80MB
-
-
-#------------------------------------------------------------------------------
-# REPORTING AND LOGGING
-#------------------------------------------------------------------------------
-
-# - Where to Log -
-
-log_destination = '{{ postgres_log_destination | join(",") }}'
-{% if "stderr" in postgres_log_destination or "csvlog" in postgres_log_destination %}
-logging_collector = on
-{% else %}
-logging_collector = off
-{% endif %}
-log_directory = '{{ postgres_log_directory }}'
-log_filename = '{{ postgres_log_filename }}'
-log_rotation_age = {{ postgres_log_rotation_age }}
-log_rotation_size = {{ postgres_log_rotation_size }}
-log_truncate_on_rotation = on
-
-# - What to Log -
-
-log_line_prefix = '%m [%p] '
-log_timezone = 'Etc/UTC'
-
-
-#------------------------------------------------------------------------------
-# CLIENT CONNECTION DEFAULTS
-#------------------------------------------------------------------------------
-
-# - Locale and Formatting -
-
-datestyle = 'iso, mdy'
-timezone = 'Etc/UTC'
-
-lc_messages = 'en_US.UTF-8'
-lc_monetary = 'en_US.UTF-8'			# locale for monetary formatting
-lc_numeric = 'en_US.UTF-8'			# locale for number formatting
-lc_time = 'en_US.UTF-8'				# locale for time formatting
-
-default_text_search_config = 'pg_catalog.english'

vars/main.yml

@@ -1,12 +0,0 @@
----
-__postgres_version: "{{ postgres_version | regex_replace('\\.') }}"
-__postgres_packagename: "postgresql{{ __postgres_version }}"
-__postgres_daemon: "postgresql-{{ __postgres_version }}"
-__postgres_service_file: "/usr/lib/systemd/system/{{ __postgres_daemon }}.service"
-__postgres_packages:
-  - "{{ __postgres_packagename }}"
-  - "{{ __postgres_packagename }}-server"
-__postgres_data_dir: "{{ postgres_base_dir | default('/var/lib/pgsql/' + __postgres_version) }}/data"
-__postgres_config_path: "{{ __postgres_data_dir }}"
-__postgres_tls_key_path: "{{ __postgres_data_dir }}/tls/key/{{ postgres_tls_key_filename }}"
-__postgres_tls_cert_path: "{{ __postgres_data_dir }}/tls/certs/{{ postgres_tls_cert_filename }}"