Add compatibility for PostgreSQL 9.6

.travis.yml

@@ -14,11 +14,13 @@ env:
     - ROLE_OPTIONS="postgresql_version=9.3" ANSIBLE_VERSION="1.9.4"
     - ROLE_OPTIONS="postgresql_version=9.4" ANSIBLE_VERSION="1.9.4"
     - ROLE_OPTIONS="postgresql_version=9.5" ANSIBLE_VERSION="1.9.4"
-    - ROLE_OPTIONS="postgresql_version=9.1" ANSIBLE_VERSION="2.0.0.2"
-    - ROLE_OPTIONS="postgresql_version=9.2" ANSIBLE_VERSION="2.0.0.2"
-    - ROLE_OPTIONS="postgresql_version=9.3" ANSIBLE_VERSION="2.0.0.2"
-    - ROLE_OPTIONS="postgresql_version=9.4" ANSIBLE_VERSION="2.0.0.2"
-    - ROLE_OPTIONS="postgresql_version=9.5" ANSIBLE_VERSION="2.0.0.2"
+    - ROLE_OPTIONS="postgresql_version=9.6" ANSIBLE_VERSION="1.9.4"
+    - ROLE_OPTIONS="postgresql_version=9.1" ANSIBLE_VERSION="2.1.2.0"
+    - ROLE_OPTIONS="postgresql_version=9.2" ANSIBLE_VERSION="2.1.2.0"
+    - ROLE_OPTIONS="postgresql_version=9.3" ANSIBLE_VERSION="2.1.2.0"
+    - ROLE_OPTIONS="postgresql_version=9.4" ANSIBLE_VERSION="2.1.2.0"
+    - ROLE_OPTIONS="postgresql_version=9.5" ANSIBLE_VERSION="2.1.2.0"
+    - ROLE_OPTIONS="postgresql_version=9.6" ANSIBLE_VERSION="2.1.2.0"
 
 before_install:
   # Remove the PostgreSQL installed by Travis
@@ -50,4 +52,4 @@ script:
 
   # Testing with docker (experimental)
   - docker build -f tests/Dockerfile-ubuntu14.04 -t postgres_ubuntu14.04 .
-  - docker build -f tests/Dockerfile-centos6     -t postgres_centos6     .
+  - docker build -f tests/Dockerfile-centos6     -t postgres_centos6     .

defaults/main.yml

@@ -141,16 +141,15 @@ postgresql_shared_buffers:       128MB # min 128kB
 postgresql_huge_pages:           try   # on, off, or try
 postgresql_temp_buffers:         8MB   # min 800kB
 
-# Note:  Increasing max_prepared_transactions costs ~600 bytes of shared memory
-# per transaction slot, plus lock space (see max_locks_per_transaction).
-# It is not advisable to set max_prepared_transactions nonzero unless you
-# actively intend to use prepared transactions.
+# Caution: it is not advisable to set max_prepared_transactions nonzero unless
+# you actively intend to use prepared transactions.
 postgresql_max_prepared_transactions: 0 # zero disables the feature
 
-postgresql_work_mem:             1MB   # min 64kB
-postgresql_maintenance_work_mem: 16MB  # min 1MB
-postgresql_autovacuum_work_mem:  -1    # min 1MB, or -1 to use maintenance_work_mem
-postgresql_max_stack_depth:      2MB   # min 100kB
+postgresql_work_mem:                   1MB      # min 64kB
+postgresql_maintenance_work_mem:       16MB     # min 1MB
+postgresql_replacement_sort_tuples:    150000   # (>= 9.6) limits use of replacement selection sort
+postgresql_autovacuum_work_mem:        -1       # min 1MB, or -1 to use maintenance_work_mem
+postgresql_max_stack_depth:            2MB      # min 100kB
 postgresql_dynamic_shared_memory_type: posix    # the default is the first option
                                                 # supported by the operating system:
                                                 #   posix
@@ -162,7 +161,7 @@ postgresql_dynamic_shared_memory_type: posix    # the default is the first optio
 
 # - Disk -
 
-# limits per-session temp file space in kB, or -1 for no limit (>= 9.2)
+# limits per-process temp file space in kB, or -1 for no limit (>= 9.2)
 postgresql_temp_file_limit: -1
 
 
@@ -185,13 +184,19 @@ postgresql_vacuum_cost_limit:      200     # 1-10000 credits
 
 postgresql_bgwriter_delay:          200ms  # 10-10000ms between rounds
 postgresql_bgwriter_lru_maxpages:   100    # 0-1000 max buffers written/round
-postgresql_bgwriter_lru_multiplier: 2.0    # 0-10.0 multipler on buffers scanned/round
+postgresql_bgwriter_lru_multiplier: 2.0    # 0-10.0 multiplier on buffers scanned/round
+postgresql_bgwriter_flush_after:    0      # (>= 9.6) 0 disables,
+                                           # default is 512kB on linux, 0 otherwise
 
 
 # - Asynchronous Behavior -
 
-postgresql_effective_io_concurrency: 1     # 1-1000; 0 disables prefetching
-postgresql_max_worker_processes: 8
+postgresql_effective_io_concurrency:        1   # 1-1000; 0 disables prefetching
+postgresql_max_worker_processes:            8   # (change requires restart)
+postgresql_max_parallel_workers_per_gather: 0   # (>= 9.6) taken from max_worker_processes
+postgresql_old_snapshot_threshold:          -1  # (>= 9.6) 1min-60d; -1 disables; 0 is immediate
+                                                # (change requires restart)
+postgresql_backend_flush_after:             0   # (>= 9.6) 0 disables, default is 0
 
 
 #------------------------------------------------------------------------------
@@ -200,13 +205,16 @@ postgresql_max_worker_processes: 8
 
 # - Settings -
 
-postgresql_wal_level: minimal  # minimal, archive, hot_standby, or logical
-postgresql_fsync: on  # turns forced synchronization on or off
+postgresql_wal_level: minimal     # minimal, archive (<= 9.5), hot_standby (<= 9.5), replica (>= 9.6), or logical
+postgresql_fsync:     on          # flush data to disk for crash safety
+                                          # (turning this off can cause
+                                          # unrecoverable data corruption)
 
 # Synchronization level:
 # - off
 # - local
 # - remote_write
+# - remote_apply (>= 9.6)
 # - on
 postgresql_synchronous_commit: "on"
 
@@ -223,18 +231,21 @@ postgresql_full_page_writes: on
 postgresql_wal_compression: off     # (>= 9.5)
 postgresql_wal_log_hints: off       # also do full page writes of non-critical updates
 
-postgresql_wal_buffers:      -1     # min 32kB, -1 sets based on shared_buffers
-postgresql_wal_writer_delay: 200ms  # 1-10000 milliseconds
-postgresql_commit_delay:     0      # range 0-100000, in microseconds
-postgresql_commit_siblings:  5      # range 1-1000
+postgresql_wal_buffers:            -1     # min 32kB, -1 sets based on shared_buffers
+postgresql_wal_writer_delay:       200ms  # 1-10000 milliseconds
+postgresql_wal_writer_flush_after: 1MB    # (>= 9.6) 0 disables
+postgresql_commit_delay:           0      # range 0-100000, in microseconds
+postgresql_commit_siblings:        5      # range 1-1000
 
 
 # - Checkpoints -
 
 postgresql_checkpoint_segments:          3     # (<= 9.4) in logfile segments, min 1, 16MB each
 postgresql_max_wal_size:                 1GB   # (>= 9.5)
 postgresql_min_wal_size:                 80MB  # (>= 9.5)
-postgresql_checkpoint_timeout:           5min  # range 30s-1h
+postgresql_checkpoint_flush_after:       0     # (>= 9.6) 0 disables,
+                                               # default is 256kB on linux, 0 otherwise
+postgresql_checkpoint_timeout:           5min  # range 30s-1d
 postgresql_checkpoint_completion_target: 0.5   # checkpoint target duration, 0.0 - 1.0
 postgresql_checkpoint_warning:           30s   # 0 disables
 
@@ -277,8 +288,9 @@ postgresql_track_commit_timestamp: off # (>= 9.5)
 
 # These settings are ignored on a standby server.
 
-# Standby servers that provide sync rep.
-# Comma-separated list of application_name from standby(s)
+# standby servers that provide sync rep.
+# number of sync standbys (>= 9.6) and comma-separated list of application_name from standby(s)
+postgresql_synchronous_standby_num_sync: ''
 postgresql_synchronous_standby_names: [] # '*' means 'all'
 
 # number of xacts by which cleanup is delayed
@@ -308,47 +320,51 @@ postgresql_wal_retrieve_retry_interval: 5s # (>= 9.5)
 
 # - Planner Method Configuration -
 
-postgresql_enable_bitmapscan:         on
-postgresql_enable_hashagg:            on
-postgresql_enable_hashjoin:           on
-postgresql_enable_indexscan:          on
-postgresql_enable_indexonlyscan:      on
-postgresql_enable_material:           on
-postgresql_enable_mergejoin:          on
-postgresql_enable_nestloop:           on
-postgresql_enable_seqscan:            on
-postgresql_enable_sort:               on
-postgresql_enable_tidscan:            on
+postgresql_enable_bitmapscan:          on
+postgresql_enable_hashagg:             on
+postgresql_enable_hashjoin:            on
+postgresql_enable_indexscan:           on
+postgresql_enable_indexonlyscan:       on
+postgresql_enable_material:            on
+postgresql_enable_mergejoin:           on
+postgresql_enable_nestloop:            on
+postgresql_enable_seqscan:             on
+postgresql_enable_sort:                on
+postgresql_enable_tidscan:             on
 
 
 # - Planner Cost Constants -
 
-postgresql_seq_page_cost:             1.0     # measured on an arbitrary scale
-postgresql_random_page_cost:          4.0     # same scale as above
-postgresql_cpu_tuple_cost:            0.01    # same scale as above
-postgresql_cpu_index_tuple_cost:      0.005   # same scale as above
-postgresql_cpu_operator_cost:         0.0025  # same scale as above
-postgresql_effective_cache_size:      128MB
+postgresql_seq_page_cost:              1.0     # measured on an arbitrary scale
+postgresql_random_page_cost:           4.0     # same scale as above
+postgresql_cpu_tuple_cost:             0.01    # same scale as above
+postgresql_cpu_index_tuple_cost:       0.005   # same scale as above
+postgresql_cpu_operator_cost:          0.0025  # same scale as above
+postgresql_parallel_tuple_cost:        0.1     # same scale as above (>= 9.6)
+postgresql_parallel_setup_cost:        1000.0  # same scale as above (>= 9.6)
+postgresql_min_parallel_relation_size: 8MB     # (>= 9.6)
+postgresql_effective_cache_size:       128MB
 
 
 # - Genetic Query Optimizer -
 
-postgresql_geqo:                      on
-postgresql_geqo_threshold:            12
-postgresql_geqo_effort:               5    # range 1-10
-postgresql_geqo_pool_size:            0    # selects default based on effort
-postgresql_geqo_generations:          0    # selects default based on effort
-postgresql_geqo_selection_bias:       2.0  # range 1.5-2.0
-postgresql_geqo_seed:                 0.0  # range 0.0-1.0
+postgresql_geqo:                       on
+postgresql_geqo_threshold:             12
+postgresql_geqo_effort:                5    # range 1-10
+postgresql_geqo_pool_size:             0    # selects default based on effort
+postgresql_geqo_generations:           0    # selects default based on effort
+postgresql_geqo_selection_bias:        2.0  # range 1.5-2.0
+postgresql_geqo_seed:                  0.0  # range 0.0-1.0
 
 
 # - Other Planner Options -
 
-postgresql_default_statistics_target: 100        # range 1-10000
-postgresql_constraint_exclusion:      partition  # on, off, or partition
-postgresql_cursor_tuple_fraction:     0.1        # range 0.0-1.0
-postgresql_from_collapse_limit:       8
-postgresql_join_collapse_limit:       8          # 1 disables collapsing of explicit
+postgresql_default_statistics_target:  100        # range 1-10000
+postgresql_constraint_exclusion:       partition  # on, off, or partition
+postgresql_cursor_tuple_fraction:      0.1        # range 0.0-1.0
+postgresql_from_collapse_limit:        8
+postgresql_join_collapse_limit:        8          # 1 disables collapsing of explicit
+postgresql_force_parallel_mode:        off        # (>= 9.6)
 
 
 #------------------------------------------------------------------------------
@@ -359,34 +375,36 @@ postgresql_join_collapse_limit:       8          # 1 disables collapsing of expl
 
 # Valid values are combinations of stderr, csvlog, syslog, and eventlog.
 # depending on platform. Csvlog requires logging_collector to be on.
-postgresql_log_destination: stderr
+postgresql_log_destination:            stderr
 
 # Enable capturing of stderr and csvlog into log files.
 # Required to be on for csvlogs.
-postgresql_logging_collector: off
+postgresql_logging_collector:          off
 
 # These are only used if logging_collector is on:
 
 # Directory where log files are written, can be absolute or relative to PGDATA
-postgresql_log_directory: pg_log
+postgresql_log_directory:              pg_log
 # Log file name pattern, can include strftime() escapes
-postgresql_log_filename: postgresql-%Y-%m-%d_%H%M%S.log
-postgresql_log_file_mode: '0600' # begin with 0 to use octal notation
+postgresql_log_filename:               postgresql-%Y-%m-%d_%H%M%S.log
+postgresql_log_file_mode:              '0600' # begin with 0 to use octal notation
 # If on, an existing log file with the same name as the new log file will be
 # truncated rather than appended to. But such truncation only occurs on
 # time-driven rotation, not on restarts or size-driven rotation. Default is
 # off, meaning append to existing files in all cases.
-postgresql_log_truncate_on_rotation: off
+postgresql_log_truncate_on_rotation:   off
 # Automatic rotation of logfiles will happen after that time.
-postgresql_log_rotation_age: 1d
+postgresql_log_rotation_age:           1d
 # Automatic rotation of logfiles will happen after that much log output.
-postgresql_log_rotation_size: 10MB
+postgresql_log_rotation_size:          10MB
 
 # These are relevant when logging to syslog:
-postgresql_syslog_facility: LOCAL0
-postgresql_syslog_ident: postgres
+postgresql_syslog_facility:            LOCAL0
+postgresql_syslog_ident:               postgres
+postgresql_syslog_sequence_numbers:    on         # (>= 9.6)
+postgresql_syslog_split_messages:      on         # (>= 9.6)
 # This is only relevant when logging to eventlog (win32) (>= 9.2):
-postgresql_event_source: PostgreSQL
+postgresql_event_source:               PostgreSQL
 
 
 # - When to Log -
@@ -460,6 +478,7 @@ postgresql_log_hostname:          off
 #   %p = process ID
 #   %t = timestamp without milliseconds
 #   %m = timestamp with milliseconds
+#   %n = timestamp with milliseconds (as a Unix epoch)
 #   %i = command tag
 #   %e = SQL state
 #   %c = session ID
@@ -552,12 +571,13 @@ postgresql_default_transaction_read_only:  off
 postgresql_default_transaction_deferrable: off
 postgresql_session_replication_role:       origin
 
-postgresql_statement_timeout:       0  # in milliseconds, 0 is disabled
-postgresql_lock_timeout:            0  # in milliseconds, 0 is disabled (>= 9.3)
-postgresql_vacuum_freeze_min_age:   50000000
-postgresql_vacuum_freeze_table_age: 150000000
-postgresql_vacuum_multixact_freeze_min_age: 5000000     # (>= 9.3)
-postgresql_vacuum_multixact_freeze_table_age: 150000000 # (>= 9.3)
+postgresql_statement_timeout:                     0           # in milliseconds, 0 is disabled
+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_vacuum_freeze_min_age:                 50000000
+postgresql_vacuum_freeze_table_age:               150000000
+postgresql_vacuum_multixact_freeze_min_age:       5000000     # (>= 9.3)
+postgresql_vacuum_multixact_freeze_table_age:     150000000   # (>= 9.3)
 
 postgresql_bytea_output: hex  # hex, escape
 postgresql_xmlbinary:    base64
@@ -680,6 +700,39 @@ postgresql_pgdg_dists:
   Scientific: sl
   SLC: sl
   OracleLinux: oraclelinux
+postgresql_pgdg_releases:
+  redhat: {
+      9.1: 8,
+      9.2: 9,
+      9.3: 3,
+      9.4: 3,
+      9.5: 3,
+      9.6: 3,
+  }
+  centos: {
+      9.1: 7,
+      9.2: 8,
+      9.3: 3,
+      9.4: 3,
+      9.5: 3,
+      9.6: 3,
+  }
+  sl: {
+      9.1: 8,
+      9.2: 9,
+      9.3: 3,
+      9.4: 3,
+      9.5: 3,
+      9.6: 3,
+  }
+  oraclelinux: {
+      9.1: 8,
+      9.2: 9,
+      9.3: 3,
+      9.4: 3,
+      9.5: 3,
+      9.6: 3,
+  }
 postgresql_version_terse: "{{ postgresql_version | replace('.', '') }}"
 postgresql_yum_repository_base_url: "http://yum.postgresql.org"
-postgresql_yum_repository_url: "{{ postgresql_yum_repository_base_url }}/{{ postgresql_version }}/{{ ansible_os_family | lower }}/rhel-{{ ansible_distribution_major_version }}-{{ ansible_architecture }}/pgdg-{{ postgresql_pgdg_dists[ansible_distribution] }}{{ postgresql_version_terse }}-{{ postgresql_version }}-2.noarch.rpm"
+postgresql_yum_repository_url: "{{ postgresql_yum_repository_base_url }}/{{ postgresql_version }}/{{ ansible_os_family | lower }}/rhel-{{ ansible_distribution_major_version }}-{{ ansible_architecture }}/pgdg-{{ postgresql_pgdg_dists[ansible_distribution] }}{{ postgresql_version_terse }}-{{ postgresql_version }}-{{ postgresql_pgdg_releases.get(postgresql_pgdg_dists[ansible_distribution]).get(postgresql_version) }}.noarch.rpm"