Add support for Postgresql 18

README.md

@@ -55,15 +55,15 @@ An example how to include this role as a task:
 #### Compatibility matrix
 
 
-| Distribution / PostgreSQL |     11     |     12     |         13         |         14         |         15         |         16         |        17          |
-| ------------------------- | :--------: | :--------: | :----------------: | :----------------: | :----------------: | :----------------: | :----------------: |
-| Debian 11.x               | :no_entry: | :no_entry: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
-| Debian 12.x               | :no_entry: | :no_entry: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
-| Debian 13.x               | :no_entry: | :no_entry: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
-| Rockylinux 8.x            | :no_entry: | :no_entry: |     :warning:      |     :warning:      |     :warning:      |     :warning:      |     :warning:      |
-| Rockylinux 9.x            | :no_entry: | :no_entry: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |     :warning:      |
-| Ubuntu 22.04.x            | :no_entry: | :no_entry: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
-| Ubuntu 24.04.x            | :no_entry: | :no_entry: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
+| Distribution / PostgreSQL |     11     |     12     |         13         |         14         |         15         |         16         |        17          |        18          |
+| ------------------------- | :--------: | :--------: | :----------------: | :----------------: | :----------------: | :----------------: | :----------------: | :----------------: |
+| Debian 11.x               | :no_entry: | :no_entry: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
+| Debian 12.x               | :no_entry: | :no_entry: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
+| Debian 13.x               | :no_entry: | :no_entry: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
+| Rockylinux 8.x            | :no_entry: | :no_entry: |     :warning:      |     :warning:      |     :warning:      |     :warning:      |     :warning:      |     :warning:      |
+| Rockylinux 9.x            | :no_entry: | :no_entry: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |     :warning:      |     :warning:      |
+| Ubuntu 22.04.x            | :no_entry: | :no_entry: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
+| Ubuntu 24.04.x            | :no_entry: | :no_entry: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
 
 
 - :white_check_mark: - works fine
@@ -75,7 +75,7 @@ An example how to include this role as a task:
 
 ```yaml
 # Basic settings
-postgresql_version: 17
+postgresql_version: 18
 postgresql_encoding: "UTF-8"
 postgresql_locale: "en_US.UTF-8"
 postgresql_ctype: "en_US.UTF-8"

defaults/main.yml

@@ -1,7 +1,7 @@
 # file: postgresql/defaults/main.yml
 
 # Basic settings
-postgresql_version: 17
+postgresql_version: 18
 postgresql_version_terse: "{{ postgresql_version | replace('.', '') }}"  # Short version of the postgresql_version, used in some path and filenames
 postgresql_encoding: "UTF-8"
 postgresql_data_checksums: false
@@ -49,6 +49,7 @@ postgresql_postgis_release_compatibility:
   15: "3.2"
   16: "3.4"
   17: "3.5"
+  18: "3.6"
 
 postgresql_ext_postgis_version: "{{ postgresql_postgis_release_compatibility.get(postgresql_version) }}"
 postgresql_ext_postgis_version_terse: "{{ postgresql_ext_postgis_version | replace('.','') }}"
@@ -155,6 +156,8 @@ postgresql_authentication_timeout: 60s # 1s-600s
 postgresql_password_encryption: "{{ 'scram-sha-256' if postgresql_version is version_compare('14', '>=') else 'md5' }}" # (>=14.0 set to scram-sha-256 for best security)
 posgresql_scram_iterations: 4096 # (>= 16)
 postgresql_db_user_namespace: off # (<= 16)
+postgresql_md5_password_warnings: on # (>= 18)
+postgresql_oauth_validator_libraries: [] # (>= 18) comma-separated list of trusted validator modules
 
 # GSSAPI using Kerberos
 postgresql_krb_server_keyfile: "{{ 'FILE:${sysconfdir}/krb5.keytab' if postgresql_version is version_compare('14', '>=') else '' }}"
@@ -170,8 +173,10 @@ postgresql_ssl_ciphers:
   - "MEDIUM"
   - "+3DES"
   - "!aNULL"
+postgresql_ssl_tls13_ciphers: "" # (>= 18) allowed TLSv1.3 cipher suites, blank for default
 postgresql_ssl_prefer_server_ciphers: on
-postgresql_ssl_ecdh_curve: "prime256v1"
+postgresql_ssl_ecdh_curve: "prime256v1" # (<= 17, renamed to postgresql_ssl_groups in 18)
+postgresql_ssl_groups: "X25519:prime256v1" # (>= 18) replaces ssl_ecdh_curve; colon-separated list
 postgresql_ssl_min_protocol_version: "TLSv1.2"                      # (>= 12)
 postgresql_ssl_max_protocol_version: ""                             # (>= 12)
 postgresql_ssl_dh_params_file: ""                                   # (>= 10)
@@ -232,6 +237,8 @@ postgresql_transaction_buffers: 0       # (>= 17) memory for pg_xact (0 = auto)
 # limits per-process temp file space in kB, or -1 for no limit (>= 9.2)
 postgresql_temp_file_limit: -1
 
+postgresql_file_copy_method: "copy" # (>= 18) copy, clone (if supported by OS)
+
 postgresql_max_notify_queue_pages: 1048576       # (>= 17)
 
 # - Kernel Resources -
@@ -256,9 +263,13 @@ postgresql_bgwriter_flush_after:    512kB  # measured in pages, 0 disables
 # - Asynchronous Behavior -
 
 postgresql_backend_flush_after:              0   # (>= 9.6) 0 disables, default is 0
-postgresql_effective_io_concurrency:         1   # 1-1000; 0 disables prefetching
-postgresql_maintenance_io_concurrency:       10  # (>= 13)
+postgresql_effective_io_concurrency:         "{{ 16 if postgresql_version is version_compare('18', '>=') else 1 }}"   # 1-1000; 0 disables prefetching
+postgresql_maintenance_io_concurrency:       "{{ 16 if postgresql_version is version_compare('18', '>=') else 10 }}"  # (>= 13)
 postgresql_io_combine_limit: 128kB       # (>= 17) usually 1-32 blocks (depends on OS)
+postgresql_io_max_combine_limit: 128kB   # (>= 18) usually 1-128 blocks (depends on OS) (change requires restart)
+postgresql_io_method: "worker"           # (>= 18) worker, io_uring, sync (change requires restart)
+postgresql_io_max_concurrency: -1        # (>= 18) max IOs one process can execute simultaneously; -1 sets based on shared_buffers (change requires restart)
+postgresql_io_workers: 3                 # (>= 18) 1-32
 postgresql_max_worker_processes:             8   # (change requires restart)
 postgresql_max_parallel_workers_per_gather:  2   # (>= 9.6) taken from max_worker_processes
 postgresql_max_parallel_maintenance_workers: 2   # (>= 11) taken from max_parallel_workers
@@ -350,6 +361,7 @@ postgresql_wal_sender_delay: 1s     # walsender cycle time, 1-10000 milliseconds
 postgresql_wal_keep_segments:        0   # in logfile segments, 16MB each; 0 disables
 postgresql_wal_keep_size:            0   # (>= 13)
 postgresql_max_slot_wal_keep_size:   -1  # (>= 13)
+postgresql_idle_replication_slot_timeout: 0 # (>= 18) in seconds; 0 disables
 postgresql_replication_timeout: 60s # in milliseconds; 0 disables (<= 9.2)
 postgresql_wal_sender_timeout: 60s  # in milliseconds; 0 disables (>= 9.3)
 postgresql_track_commit_timestamp: off # (>= 9.5)
@@ -390,6 +402,8 @@ postgresql_sync_replication_slots: off       # (>= 17) enables slot synchronizat
 
 # - Subscribers - (>= 10)
 # These settings are ignored on a publisher.
+postgresql_max_active_replication_origins: 10   # (>= 18) max number of active replication origins
+            # (change requires restart)
 postgresql_max_logical_replication_workers: 4   # (>= 10) taken from max_worker_processes
             # (change requires restart)
 postgresql_max_sync_workers_per_subscription: 2 # (>= 10) taken from max_logical_replication_workers
@@ -421,6 +435,8 @@ postgresql_enable_seqscan:                 on
 postgresql_enable_sort:                    on
 postgresql_enable_tidscan:                 on
 postgresql_enable_group_by_reordering:     on
+postgresql_enable_distinct_reordering:     on  # (>= 18)
+postgresql_enable_self_join_elimination:   on  # (>= 18)
 
 # - Planner Cost Constants -
 postgresql_seq_page_cost:              1.0     # measured on an arbitrary scale
@@ -550,6 +566,8 @@ postgresql_debug_pretty_print:    on
 postgresql_log_autovacuum_min_duration: "{{ '10min' if postgresql_version is version_compare('15', '>=') else -1 }}"
 postgresql_log_checkpoints:       "{{ 'on' if postgresql_version is version_compare('15', '>=') else 'off' }}"
 postgresql_log_connections:       off
+postgresql_log_connections_options: "" # (>= 18) replaces boolean log_connections; comma-separated:
+                                       # receipt, authentication, authorization, setup_durations, all
 postgresql_log_disconnections:    off
 postgresql_log_duration:          off
 postgresql_log_error_verbosity:   "default"  # terse, default, or verbose messages
@@ -582,6 +600,7 @@ postgresql_log_line_prefix: "%m [%p] "
 
 # log lock waits >= deadlock_timeout
 postgresql_log_lock_waits: off
+postgresql_log_lock_failures: off                # (>= 18) log lock failures
 postgresql_log_recovery_conflict_waits: off      # (>= 14)
 postgresql_log_parameter_max_length: -1          # (>= 13)
 postgresql_log_parameter_max_length_on_error: 0  # (>= 13)
@@ -606,6 +625,7 @@ postgresql_update_process_title:      on   # (>= 9.2)
 postgresql_track_activities:          on
 postgresql_track_activity_query_size: 1024
 postgresql_track_counts:              on
+postgresql_track_cost_delay_timing:   off   # (>= 18)
 postgresql_track_io_timing:           off   # (>= 9.2)
 postgresql_track_wal_io_timing:       off   # (>= 14)
 postgresql_track_functions:           "none" # none, pl, all
@@ -625,6 +645,8 @@ postgresql_log_statement_stats: off
 
 # Enable autovacuum subprocess? 'on' requires track_counts to also be on.
 postgresql_autovacuum: on
+postgresql_autovacuum_worker_slots: 16 # (>= 18) autovacuum worker slots to allocate
+                                       # (change requires restart)
 # -1 disables, 0 logs all actions and their durations, > 0 logs only
 # actions running at least this number of milliseconds.
 # max number of autovacuum subprocesses
@@ -641,6 +663,8 @@ postgresql_autovacuum_vacuum_scale_factor: 0.2
 postgresql_autovacuum_vacuum_insert_scale_factor: 0.2  # (>= 13)
 # fraction of table size before analyze
 postgresql_autovacuum_analyze_scale_factor: 0.1
+postgresql_autovacuum_vacuum_max_threshold: 100000000 # (>= 18) max number of row updates before
+                                                      # vacuum; -1 disables max threshold
 # maximum XID age before forced vacuum
 postgresql_autovacuum_freeze_max_age: 200000000
 # maximum Multixact age before forced vacuum (>= 9.3)
@@ -689,12 +713,14 @@ postgresql_transaction_timeout:                   0           # (>= 17) in milli
 postgresql_lock_timeout:                          0           # in milliseconds, 0 is disabled (>= 9.3)
 postgresql_idle_in_transaction_session_timeout:   0           # in milliseconds, 0 is disabled (>= 9.6)
 postgresql_idle_session_timeout:                  0           # in milliseconds, 0 is disabled (>= 14)
+postgresql_vacuum_truncate:                       on          # (>= 18) enable truncation after vacuum
 postgresql_vacuum_freeze_table_age:               150000000
 postgresql_vacuum_freeze_min_age:                 50000000
 postgresql_vacuum_failsafe_age:                   1600000000  # (>= 14)
 postgresql_vacuum_multixact_freeze_table_age:     150000000   # (>= 9.3)
 postgresql_vacuum_multixact_freeze_min_age:       5000000     # (>= 9.3)
 postgresql_vacuum_multixact_failsafe_age:         1600000000  # (>= 14)
+postgresql_vacuum_max_eager_freeze_failure_rate:  0.03        # (>= 18) 0 disables eager scanning
 postgresql_vacuum_cleanup_index_scale_factor:     0.1         # (>= 11 and <= 13)
 postgresql_bytea_output: "hex"  # hex, escape
 postgresql_xmlbinary:    "base64"
@@ -748,6 +774,7 @@ postgresql_jit_provider: "llvmjit" # (>= 11)
 # - Other Defaults -
 
 postgresql_dynamic_library_path: "$libdir"
+postgresql_extension_control_path: "$system" # (>= 18)
 postgresql_extension_destdir: ""  # prepend path when loading extensions
                                   # and shared objects (added by Debian)
 

molecule/README.md

@@ -7,14 +7,13 @@ This directory is the home of the test playbooks:
 
 ## Molecule
 
-The default tested versions are postgresql 12, 13, 14, 15 and 16 on Debian 11. Linting is disabled for the tests.
+The default tested versions are postgresql 13, 14, 15, 16, 17 and 18 on Debian 11. Linting is disabled for the tests.
 
 The default distribution is ubuntu2204. You can override th with setting the environment variable MOLECULE_DISTRO to one of:
 
 * fedora40
 * debian11
 * debian12
-=======
 * debian13
 * ubuntu2204
 * ubuntu2404
@@ -34,7 +33,7 @@ Prior to the testing, molecule runs the prepare.yml playbook to:
 * Create a user called `ansible`, with the default group membership of either `wheel` (CentOS, Fedora), or `sudo` (Debian, ubuntu)
 * Install a couple of packages that Jeff Geerling did not install in his container images, that are needed in order to test the role properly
 
-The main file ./molecule/default/molecule.yml sets up versions to test from 12 to 16.
+The main file ./molecule/default/molecule.yml sets up versions to test from 13 to 18.
 
 ## Tests
 

molecule/default/molecule.yml

@@ -48,6 +48,14 @@ platforms:
     pre_build_image: true
     cgroupns_mode: host
     command: ${MOLECULE_DOCKER_COMMAND:-""}
+  - name: postgresql-18
+    image: "geerlingguy/docker-${MOLECULE_DISTRO:-debian11}-ansible:latest"
+    volumes:
+      - /sys/fs/cgroup:/sys/fs/cgroup:rw
+    privileged: true
+    pre_build_image: true
+    cgroupns_mode: host
+    command: ${MOLECULE_DOCKER_COMMAND:-""}
 provisioner:
   name: ansible
   config_options:
@@ -68,5 +76,7 @@ provisioner:
         postgresql_version: 16
       postgresql-17:
         postgresql_version: 17
+      postgresql-18:
+        postgresql_version: 18
 verifier:
   name: ansible