v3.0.2

Not yet tagged, pending a couple of tests

CONTRIBUTING.md

@@ -2,7 +2,7 @@ License and Contributions
 =========================
 
 `repmgr` is licensed under the GPL v3.  All of its code and documentation is
-Copyright 2010-2016, 2ndQuadrant Limited.  See the files COPYRIGHT and LICENSE for
+Copyright 2010-2015, 2ndQuadrant Limited.  See the files COPYRIGHT and LICENSE for
 details.
 
 The development of repmgr has primarily been sponsored by 2ndQuadrant customers.

COPYRIGHT

@@ -1,4 +1,4 @@
-Copyright (c) 2010-2016, 2ndQuadrant Limited
+Copyright (c) 2010-2015, 2ndQuadrant Limited
 All rights reserved.
 
 This program is free software: you can redistribute it and/or modify

FAILOVER.rst

@@ -1 +1,237 @@
-The contents of this file have been incorporated into the main README.md document.
+====================================================
+ PostgreSQL Automatic Failover - User Documentation
+====================================================
+
+Automatic Failover
+==================
+
+repmgr allows for automatic failover when it detects the failure of the master node.
+Following is a quick setup for this.
+
+Installation
+============
+
+For convenience, we define:
+
+**node1**
+    is the fully qualified domain name of the Master server, IP 192.168.1.10
+**node2**
+    is the fully qualified domain name of the Standby server, IP 192.168.1.11
+**witness**
+    is the fully qualified domain name of the server used as a witness, IP 192.168.1.12
+
+**Note:** We don't recommend using names with the status of a server like «masterserver»,
+because it would be confusing once a failover takes place and the Master is
+now on the «standbyserver».
+
+Summary
+-------
+
+2 PostgreSQL servers are involved in the replication.  Automatic failover needs
+a vote to decide what server it should promote, so an odd number is required.
+A witness-repmgrd is installed in a third server where it uses a PostgreSQL
+cluster to communicate with other repmgrd daemons.
+
+1. Install PostgreSQL in all the servers involved (including the witness server)
+
+2. Install repmgr in all the servers involved (including the witness server)
+
+3. Configure the Master PostreSQL
+
+4. Clone the Master to the Standby using "repmgr standby clone" command
+
+5. Configure repmgr in all the servers involved (including the witness server)
+
+6. Register Master and Standby nodes
+
+7. Initiate witness server
+
+8. Start the repmgrd daemons in all nodes
+
+**Note** A complete High-Availability design needs at least 3 servers to still have
+a backup node after a first failure.
+
+Install PostgreSQL
+------------------
+
+You can install PostgreSQL using any of the recommended methods. You should ensure
+it's 9.0 or later.
+
+Install repmgr
+--------------
+
+Install repmgr following the steps in the README file.
+
+Configure PostreSQL
+-------------------
+
+Log in to node1.
+
+Edit the file postgresql.conf and modify the parameters::
+
+  listen_addresses='*'
+  wal_level = 'hot_standby'
+  archive_mode = on
+  archive_command = 'cd .'   # we can also use exit 0, anything that
+                             # just does nothing
+  max_wal_senders = 10
+  wal_keep_segments = 5000   # 80 GB required on pg_xlog
+  hot_standby = on
+  shared_preload_libraries = 'repmgr_funcs'
+
+Edit the file pg_hba.conf and add lines for the replication::
+
+  host     repmgr           repmgr      127.0.0.1/32            trust
+  host     repmgr           repmgr      192.168.1.10/30         trust
+  host     replication      all         192.168.1.10/30         trust
+
+**Note:** It is also possible to use a password authentication (md5), .pgpass file
+should be edited to allow connection between each node.
+
+Create the user and database to manage replication::
+
+  su - postgres
+  createuser -s repmgr
+  createdb -O repmgr repmgr
+  psql -f /usr/share/postgresql/9.0/contrib/repmgr_funcs.sql repmgr
+
+Restart the PostgreSQL server::
+
+  pg_ctl -D $PGDATA restart
+
+And check everything is fine in the server log.
+
+Create the ssh-key for the postgres user and copy it to other servers::
+
+  su - postgres
+  ssh-keygen             # /!\ do not use a passphrase /!\
+  cat ~/.ssh/id_rsa.pub > ~/.ssh/authorized_keys
+  chmod 600 ~/.ssh/authorized_keys
+  exit
+  rsync -avz ~postgres/.ssh/authorized_keys node2:~postgres/.ssh/
+  rsync -avz ~postgres/.ssh/authorized_keys witness:~postgres/.ssh/
+  rsync -avz ~postgres/.ssh/id_rsa* node2:~postgres/.ssh/
+  rsync -avz ~postgres/.ssh/id_rsa* witness:~postgres/.ssh/
+
+Clone Master
+------------
+
+Log in to node2.
+
+Clone node1 (the current Master)::
+
+  su - postgres
+  repmgr -d repmgr -U repmgr -h node1 standby clone 
+
+Start the PostgreSQL server::
+
+  pg_ctl -D $PGDATA start
+
+And check everything is fine in the server log.
+
+Configure repmgr
+----------------
+
+Log in to each server and configure repmgr by editing the file
+/etc/repmgr/repmgr.conf::
+
+  cluster=my_cluster
+  node=1
+  node_name=earth
+  conninfo='host=192.168.1.10 dbname=repmgr user=repmgr'
+  master_response_timeout=60
+  reconnect_attempts=6
+  reconnect_interval=10
+  failover=automatic
+  promote_command='promote_command.sh'
+  follow_command='repmgr standby follow -f /etc/repmgr/repmgr.conf'
+
+**cluster**
+    is the name of the current replication.
+**node**
+    is the number of the current node (1, 2 or 3 in the current example).
+**node_name**
+    is an identifier for every node.
+**conninfo**
+    is used to connect to the local PostgreSQL server (where the configuration file is) from any node. In the witness server configuration you need to add a 'port=5499' to the conninfo.
+**master_response_timeout**
+    is the maximum amount of time we are going to wait before deciding the master has died and start the failover procedure.
+**reconnect_attempts**
+    is the number of times we will try to reconnect to master after a failure has been detected and before start the failover procedure.
+**reconnect_interval**
+    is the amount of time between retries to reconnect to master after a failure has been detected and before start the failover procedure.
+**failover**
+    configure behavior: *manual* or *automatic*.
+**promote_command**
+    the command executed to do the failover (including the PostgreSQL failover itself). The command must return 0 on success.
+**follow_command**
+    the command executed to address the current standby to another Master. The command must return 0 on success.
+
+Register Master and Standby
+---------------------------
+
+Log in to node1.
+
+Register the node as Master::
+
+  su - postgres
+  repmgr -f /etc/repmgr/repmgr.conf master register
+
+Log in to node2. Register it as a standby::
+
+  su - postgres
+  repmgr -f /etc/repmgr/repmgr.conf standby register
+
+Initialize witness server
+-------------------------
+
+Log in to witness.
+
+Initialize the witness server::
+
+  su - postgres
+  repmgr -d repmgr -U repmgr -h 192.168.1.10 -D $WITNESS_PGDATA -f /etc/repmgr/repmgr.conf witness create
+
+The witness server needs the following information from the command
+line:
+
+* Connection details for the current master, to copy the cluster
+  configuration.
+* A location for initializing its own $PGDATA.
+
+repmgr will also ask for the superuser password on the witness database so
+it can reconnect when needed (the command line option --initdb-no-pwprompt
+will set up a password-less superuser).
+
+By default the witness server will listen on port 5499; this value can be
+overridden by explicitly providing the port number in the conninfo string
+in repmgr.conf. (Note that it is also possible to specify the port number
+with the -l/--local-port option, however this option is now deprecated and
+will be overridden by a port setting in the conninfo string).
+
+Start the repmgrd daemons
+-------------------------
+
+Log in to node2 and witness::
+
+  su - postgres
+  repmgrd -f /etc/repmgr/repmgr.conf --daemonize -> /var/log/postgresql/repmgr.log 2>&1
+
+**Note:** The Master does not need a repmgrd daemon.
+
+Suspend Automatic behavior
+==========================
+
+Edit the repmgr.conf of the node to remove from automatic processing and change::
+
+  failover=manual
+
+Then, signal repmgrd daemon::
+
+  su - postgres
+  kill -HUP $(pidof repmgrd)
+
+Usage
+=====
+
+The repmgr documentation is in the README file (how to build, options, etc.)

FAQ.md

@@ -34,11 +34,6 @@ General
   replication slots, setting a higher figure will make adding new nodes
   easier.
 
-- Does `repmgr` support hash indexes?
-
-  No. Hash indexes and replication do not mix well and their use is
-  explicitly discouraged; see:
-    https://www.postgresql.org/docs/current/interactive/sql-createindex.html#AEN74175
 
 `repmgr`
 --------
@@ -101,9 +96,8 @@ General
   is intended to support running the witness server as  a separate
   instance on a normal node server, rather than on its own dedicated server.
 
-  To specify different port for the witness server, supply the port number
+  To specify a port for the witness server, supply the port number to
-  in the `conninfo` string in `repmgr.conf`
+  repmgr with the `-l/--local-port` command line option.
-  (repmgr 3.0.1 and earlier: use the `-l/--local-port` option)
 
 - Do I need to include `shared_preload_libraries = 'repmgr_funcs'`
   in `postgresql.conf` if I'm not using `repmgrd`?
@@ -112,30 +106,6 @@ General
   If you later decide to run `repmgrd`, you just need to add
   `shared_preload_libraries = 'repmgr_funcs'` and restart PostgreSQL.
 
-- I've provided replication permission for the `repmgr` user in `pg_hba.conf`
-  but `repmgr`/`repmgrd` complains it can't connect to the server... Why?
-
-  `repmgr`/`repmgrd` need to be able to connect to the repmgr database
-  with a normal connection to query metadata. The `replication` connection
-  permission is for PostgreSQL's streaming replication and doesn't
-  necessarily need to be the `repmgr` user.
-
-- When cloning a standby, why do I need to provide the connection parameters
-  for the primary server on the command line, not in the configuration file?
-
-  Cloning a standby is a one-time action; the role of the server being cloned
-  from could change, so fixing it in the configuration file would create
-  confusion. If `repmgr` needs to establish a connection to the primary
-  server, it can retrieve this from the `repl_nodes` table or if necessary
-  scan the replication cluster until it locates the active primary.
-
-- Why is there no foreign key on the `node_id` column in the `repl_events`
-  table?
-
-  Under some circumstances event notifications can be generated for servers
-  which have not yet been registered; it's also useful to retain a record
-  of events which includes servers removed from the replication cluster
-  which no longer have an entry in the `repl_nodes` table.
 
 `repmgrd`
 ---------
@@ -164,8 +134,3 @@ General
 
   Note that after registering a delayed standby, `repmgrd` will only start
   once the metadata added in the master node has been replicated.
-
-- How can I get `repmgrd` to rotate its logfile?
-
-  Configure your system's `logrotate` service to do this; see example
-  in README.md

HISTORY

@@ -1,74 +1,4 @@
-3.1.5   2016-08-15
+3.0.2   2015-09-
-        repmgrd: in a failover situation, prevent endless looping when
-          attempting to establish the status of a node with
-          `failover=manual` (Ian)
-        repmgrd: improve handling of failover events on standbys with
-          `failover=manual`, and create a new event notification
-          for this, `standby_disconnect_manual` (Ian)
-        repmgr: add further event notifications (Gianni)
-        repmgr: when executing `standby switchover`, don't collect remote
-          command output unless required (Gianni, Ian)
-        repmgrd: improve standby monitoring query (Ian, based on suggestion
-          from  Álvaro)
-        repmgr: various command line handling improvements (Ian)
-
-3.1.4   2016-07-12
-        repmgr: new configuration option for setting "restore_command"
-          in the recovery.conf file generated by repmgr (Martín)
-        repmgr: add --csv option to "repmgr cluster show" (Gianni)
-        repmgr: enable provision of a conninfo string as the -d/--dbname
-          parameter, similar to other PostgreSQL utilities (Ian)
-        repmgr: during switchover operations improve detection of
-          demotion candidate shutdown (Ian)
-        various bugfixes and documentation updates (Ian, Martín)
-
-3.1.3   2016-05-17
-        repmgrd: enable monitoring when a standby is catching up by
-          replaying archived WAL (Ian)
-        repmgrd: when upstream_node_id is NULL, assume upstream node
-          to be current master (Ian)
-        repmgrd: check for reappearance of the master node if standby
-          promotion fails (Ian)
-        improve handling of rsync failure conditions (Martín)
-
-3.1.2   2016-04-12
-        Fix pg_ctl path generation in do_standby_switchover() (Ian)
-        Regularly sync witness server repl_nodes table (Ian)
-        Documentation improvements (Gianni, dhyannataraj)
-        (Experimental) ensure repmgr handles failover slots when copying
-          in rsync mode (Craig, Ian)
-        rsync mode handling fixes (Martín)
-        Enable repmgr to compile against 9.6devel (Ian)
-
-3.1.1   2016-02-24
-        Add '-P/--pwprompt' option for "repmgr create witness" (Ian)
-        Prevent repmgr/repmgrd running as root (Ian)
-
-3.1.0   2016-02-01
-        Add "repmgr standby switchover" command (Ian)
-        Revised README file (Ian)
-        Remove requirement for 'archive_mode' to be enabled (Ian)
-        Improve -?/--help output, showing default values if relevant (Ian)
-        Various bugfixes to command line/configuration parameter handling (Ian)
-
-3.0.3   2016-01-04
-        Create replication slot if required before base backup is run (Abhijit)
-        standy clone: when using rsync, clean up "pg_replslot" directory (Ian)
-        Improve --help output (Ian)
-        Improve config file parsing (Ian)
-        Various logging output improvements, including explicit HINTS (Ian)
-        Add --log-level to explicitly set log level on command line (Ian)
-        Repurpose --verbose to display extra log output (Ian)
-        Add --terse to hide hints and other non-critical output (Ian)
-        Reference internal functions with explicit catalog path (Ian)
-        When following a new primary, have repmgr (not repmgrd) create the new slot (Ian)
-        Add /etc/repmgr.conf as a default configuration file location (Ian)
-        Prevent repmgrd's -v/--verbose option expecting a parameter (Ian)
-        Prevent invalid replication_lag values being written to the monitoring table (Ian)
-        Improve repmgrd behaviour when monitored standby node is temporarily
-          unavailable (Martín)
-
-3.0.2   2015-10-02
         Improve handling of --help/--version options; and improve help output (Ian)
         Improve handling of situation where logfile can't be opened (Ian)
         Always pass -D/--pgdata option to pg_basebackup (Ian)
@@ -82,9 +12,7 @@
         Update tablespace remapping in --rsync-only mode for 9.5 and later (Ian)
         Deprecate `-l/--local-port` option - the port can be extracted
           from the conninfo string in repmgr.conf (Ian)
-        Add STANDBY UNREGISTER (Vik Fearing)
+        Add STANDBY UNREGISTE (Vik Fearing)
-        Don't fail with error when registering master if schema already defined (Ian)
-        Fixes to whitespace handling when parsing config file (Ian)
 
 3.0.1   2015-04-16
         Prevent repmgrd from looping infinitely if node was not registered (Ian)

Makefile

@@ -1,33 +1,24 @@
 #
 # Makefile
-# Copyright (c) 2ndQuadrant, 2010-2016
+# Copyright (c) 2ndQuadrant, 2010-2015
-
-HEADERS = $(wildcard *.h)
 
 repmgrd_OBJS = dbutils.o config.o repmgrd.o log.o strutil.o
-repmgr_OBJS = dbutils.o check_dir.o config.o repmgr.o log.o strutil.o dirmod.o
+repmgr_OBJS = dbutils.o check_dir.o config.o repmgr.o log.o strutil.o
 
 DATA = repmgr.sql uninstall_repmgr.sql
 
 PG_CPPFLAGS = -I$(libpq_srcdir)
-PG_LIBS     = $(libpq_pgport)
+PG_LIBS = $(libpq_pgport)
 
-
+all:  repmgrd repmgr
-all: repmgrd repmgr
 	$(MAKE) -C sql
 
 repmgrd: $(repmgrd_OBJS)
-	$(CC) -o repmgrd $(CFLAGS) $(repmgrd_OBJS) $(PG_LIBS) $(LDFLAGS) $(LDFLAGS_EX) $(LIBS)
+	$(CC) $(CFLAGS) $(repmgrd_OBJS) $(PG_LIBS) $(LDFLAGS) $(LDFLAGS_EX) $(LIBS) -o repmgrd
 	$(MAKE) -C sql
 
 repmgr: $(repmgr_OBJS)
-	$(CC) -o repmgr $(CFLAGS) $(repmgr_OBJS) $(PG_LIBS) $(LDFLAGS) $(LDFLAGS_EX) $(LIBS)
+	$(CC) $(CFLAGS) $(repmgr_OBJS) $(PG_LIBS) $(LDFLAGS) $(LDFLAGS_EX) $(LIBS) -o repmgr
-
-# Make all objects depend on all include files. This is a bit of a
-# shotgun approach, but the codebase is small enough that a complete rebuild
-# is very fast anyway.
-$(repmgr_OBJS): $(HEADERS)
-$(repmgrd_OBJS): $(HEADERS)
 
 ifdef USE_PGXS
 PG_CONFIG = pg_config
@@ -40,8 +31,8 @@ include $(top_builddir)/src/Makefile.global
 include $(top_srcdir)/contrib/contrib-global.mk
 endif
 
-# XXX: This overrides the pgxs install target - we're building two binaries,
+# XXX: Try to use PROGRAM construct (see pgxs.mk) someday. Right now
-# which is not supported by pgxs.mk's PROGRAM construct.
+# is overriding pgxs install.
 install: install_prog install_ext
 
 install_prog:
@@ -52,12 +43,6 @@ install_prog:
 install_ext:
 	$(MAKE) -C sql install
 
-# Distribution-specific package building targets
-# ----------------------------------------------
-#
-# XXX we recommend using the PGDG-supplied packages where possible;
-# see README.md for details.
-
 install_rhel:
 	mkdir -p '$(DESTDIR)/etc/init.d/'
 	$(INSTALL_PROGRAM) RHEL/repmgrd.init '$(DESTDIR)/etc/init.d/repmgrd'
@@ -82,21 +67,16 @@ clean:
 	rm -f repmgr
 	$(MAKE) -C sql clean
 
-# Get correct version numbers and install paths, depending on your postgres version
-PG_VERSION = $(shell pg_config --version | cut -d ' ' -f 2 | cut -d '.' -f 1,2)
-REPMGR_VERSION = $(shell grep REPMGR_VERSION version.h | cut -d ' ' -f 3 | cut -d '"' -f 2)
-PKGLIBDIR = $(shell pg_config --pkglibdir)
-SHAREDIR = $(shell pg_config --sharedir)
-
 deb: repmgrd repmgr
 	mkdir -p ./debian/usr/bin
 	cp repmgrd repmgr ./debian/usr/bin/
-	mkdir -p ./debian$(SHAREDIR)/contrib/
+	mkdir -p ./debian/usr/share/postgresql/9.0/contrib/
-	cp sql/repmgr_funcs.sql ./debian$(SHAREDIR)/contrib/
+	cp sql/repmgr_funcs.sql ./debian/usr/share/postgresql/9.0/contrib/
-	cp sql/uninstall_repmgr_funcs.sql ./debian$(SHAREDIR)/contrib/
+	cp sql/uninstall_repmgr_funcs.sql ./debian/usr/share/postgresql/9.0/contrib/
-	mkdir -p ./debian$(PKGLIBDIR)/
+	mkdir -p ./debian/usr/lib/postgresql/9.0/lib/
-	cp sql/repmgr_funcs.so ./debian$(PKGLIBDIR)/
+	cp sql/repmgr_funcs.so ./debian/usr/lib/postgresql/9.0/lib/
 	dpkg-deb --build debian
-	mv debian.deb ../postgresql-repmgr-$(PG_VERSION)_$(REPMGR_VERSION).deb
+	mv debian.deb ../postgresql-repmgr-9.0_1.0.0.deb
 	rm -rf ./debian/usr
 
+

QUICKSTART.md

@@ -1 +1,118 @@
-The contents of this file have been incorporated into the main README.md document.
+repmgr quickstart guide
+=======================
+
+This quickstart guide provides some annotated examples on basic
+`repmgr` setup. It assumes you are familiar with PostgreSQL replication
+concepts setup and Linux/UNIX system administration.
+
+For the purposes of this guide, we'll assume the database user will be
+`repmgr_usr` and the database will be `repmgr_db`.
+
+
+Master setup
+------------
+
+1. Configure PostgreSQL
+
+  - create user and database:
+
+	```
+	CREATE ROLE repmgr_usr LOGIN SUPERUSER;
+	CREATE DATABASE repmgr_db OWNER repmgr_usr;
+	```
+
+  - configure `postgresql.conf` for replication (see README.md for sample
+    settings)
+
+  - update `pg_hba.conf`, e.g.:
+
+	```
+	host    repmgr_db       repmgr_usr  192.168.1.0/24         trust
+	host    replication     repmgr_usr  192.168.1.0/24         trust
+	```
+
+  Restart the PostgreSQL server after making these changes.
+
+2. Create the `repmgr` configuration file:
+
+        $ cat /path/to/repmgr/node1/repmgr.conf
+        cluster=test
+        node=1
+        node_name=node1
+        conninfo='host=repmgr_node1 user=repmgr_usr dbname=repmgr_db'
+        pg_bindir=/path/to/postgres/bin
+
+   (For an annotated `repmgr.conf` file, see `repmgr.conf.sample` in the
+   repository's root directory).
+
+3. Register the master node with `repmgr`:
+
+        $ repmgr -f /path/to/repmgr/node1/repmgr.conf --verbose master register
+        [2015-03-03 17:45:53] [INFO] repmgr connecting to master database
+        [2015-03-03 17:45:53] [INFO] repmgr connected to master, checking its state
+        [2015-03-03 17:45:53] [INFO] master register: creating database objects inside the repmgr_test schema
+        [2015-03-03 17:45:53] [NOTICE] Master node correctly registered for cluster test with id 1 (conninfo: host=localhost user=repmgr_usr dbname=repmgr_db)
+
+Standby setup
+-------------
+
+1. Use `repmgr standby clone` to clone a standby from the master:
+
+        repmgr -D /path/to/standby/data -d repmgr_db -U repmgr_usr --verbose standby clone 192.168.1.2
+        [2015-03-03 18:18:21] [NOTICE] No configuration file provided and default file './repmgr.conf' not found - continuing with default values
+        [2015-03-03 18:18:21] [NOTICE] repmgr Destination directory ' /path/to/standby/data' provided
+        [2015-03-03 18:18:21] [INFO] repmgr connecting to upstream node
+        [2015-03-03 18:18:21] [INFO] repmgr connected to upstream node, checking its state
+        [2015-03-03 18:18:21] [INFO] Successfully connected to upstream node. Current installation size is 27 MB
+        [2015-03-03 18:18:21] [NOTICE] Starting backup...
+        [2015-03-03 18:18:21] [INFO] creating directory " /path/to/standby/data"...
+        [2015-03-03 18:18:21] [INFO] Executing: 'pg_basebackup -l "repmgr base backup"  -h localhost -p 9595 -U repmgr_usr -D  /path/to/standby/data '
+        NOTICE:  pg_stop_backup complete, all required WAL segments have been archived
+        [2015-03-03 18:18:23] [NOTICE] repmgr standby clone (using pg_basebackup) complete
+        [2015-03-03 18:18:23] [NOTICE] HINT: You can now start your postgresql server
+        [2015-03-03 18:18:23] [NOTICE] for example : pg_ctl -D  /path/to/standby/data start
+
+  Note that the `repmgr.conf` file is not required when cloning a standby.
+  However we recommend providing a valid `repmgr.conf` if you wish to use
+  replication slots, or want `repmgr` to log the clone event to the
+  `repl_events` table.
+
+  This will clone the PostgreSQL database files from the master, including its
+  `postgresql.conf` and `pg_hba.conf` files, and additionally automatically create
+  the `recovery.conf` file containing the correct parameters to start streaming
+  from the primary node.
+
+2. Start the PostgreSQL server
+
+3. Create the `repmgr` configuration file:
+
+        $ cat /path/node2/repmgr/repmgr.conf
+        cluster=test
+        node=2
+        node_name=node2
+        conninfo='host=repmgr_node2 user=repmgr_usr dbname=repmgr_db'
+        pg_bindir=/path/to/postgres/bin
+
+4. Register the standby node with `repmgr`:
+
+        $ repmgr -f /path/to/repmgr/node2/repmgr.conf --verbose standby register
+        [2015-03-03 18:24:34] [NOTICE] Opening configuration file: /path/to/repmgr/node2/repmgr.conf
+        [2015-03-03 18:24:34] [INFO] repmgr connecting to standby database
+        [2015-03-03 18:24:34] [INFO] repmgr connecting to master database
+        [2015-03-03 18:24:34] [INFO] finding node list for cluster 'test'
+        [2015-03-03 18:24:34] [INFO] checking role of cluster node '1'
+        [2015-03-03 18:24:34] [INFO] repmgr connected to master, checking its state
+        [2015-03-03 18:24:34] [INFO] repmgr registering the standby
+        [2015-03-03 18:24:34] [INFO] repmgr registering the standby complete
+        [2015-03-03 18:24:34] [NOTICE] Standby node correctly registered for cluster test with id 2 (conninfo: host=localhost user=repmgr_usr dbname=repmgr_db)
+
+
+This concludes the basic `repmgr` setup of master and standby. The records
+created in the `repl_nodes` table should look something like this:
+
+        repmgr_db=# SELECT * from repmgr_test.repl_nodes;
+         id |  type   | upstream_node_id | cluster | name  |                      conninfo                      | slot_name | priority | active
+        ----+---------+------------------+---------+-------+----------------------------------------------------+-----------+----------+--------
+          1 | primary |                  | test    | node1 | host=repmgr_node1 user=repmgr_usr dbname=repmgr_db |           |        0 | t
+          2 | standby |                1 | test    | node2 | host=repmgr_node2 user=repmgr_usr dbname=repmgr_db |           |        0 | t
+        (2 rows)

RHEL/repmgr3-93.spec

@@ -0,0 +1,61 @@
+Summary: repmgr
+Name: repmgr
+Version: 3.0
+Release: 1
+License: GPLv3
+Group: System Environment/Daemons
+URL: http://repmgr.org
+Packager: Ian Barwick <ian@2ndquadrant.com>
+Vendor: 2ndQuadrant Limited
+Distribution: centos
+Source0: %{name}-%{version}.tar.gz
+BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
+
+%description
+repmgr is a utility suite which greatly simplifies
+the process of setting up and managing replication
+using streaming replication within a cluster of
+PostgreSQL servers.
+
+%prep
+%setup
+
+%build
+export PATH=$PATH:/usr/pgsql-9.3/bin/
+%{__make} USE_PGXS=1
+
+%install
+[ "%{buildroot}" != "/" ] && %{__rm} -rf %{buildroot}
+
+export PATH=$PATH:/usr/pgsql-9.3/bin/
+%{__make} USE_PGXS=1 install DESTDIR=%{buildroot} INSTALL="install -p"
+%{__make} USE_PGXS=1 install_prog DESTDIR=%{buildroot} INSTALL="install -p"
+%{__make} USE_PGXS=1 install_rhel DESTDIR=%{buildroot} INSTALL="install -p"
+
+
+%clean
+[ "%{buildroot}" != "/" ] && %{__rm} -rf %{buildroot}
+
+
+%files
+%defattr(-,root,root)
+/usr/bin/repmgr
+/usr/bin/repmgrd
+/usr/pgsql-9.3/bin/repmgr
+/usr/pgsql-9.3/bin/repmgrd
+/usr/pgsql-9.3/lib/repmgr_funcs.so
+/usr/pgsql-9.3/share/contrib/repmgr.sql
+/usr/pgsql-9.3/share/contrib/repmgr_funcs.sql
+/usr/pgsql-9.3/share/contrib/uninstall_repmgr.sql
+/usr/pgsql-9.3/share/contrib/uninstall_repmgr_funcs.sql
+%attr(0755,root,root)/etc/init.d/repmgrd
+%attr(0644,root,root)/etc/sysconfig/repmgrd
+%attr(0644,root,root)/etc/repmgr/repmgr.conf.sample
+
+%changelog
+* Tue Mar 10 2015 Ian Barwick ian@2ndquadrant.com>
+- build for repmgr 3.0
+* Thu Jun 05 2014 Nathan Van Overloop <nathan.van.overloop@nexperteam.be> 2.0.2
+- fix witness creation to create db and user if needed
+* Fri Apr 04 2014 Nathan Van Overloop <nathan.van.overloop@nexperteam.be> 2.0.1
+- initial build for RHEL6

RHEL/repmgrd.init

@@ -0,0 +1,133 @@
+#!/bin/sh
+#
+# chkconfig: - 75 16
+# description: Enable repmgrd replication management and monitoring daemon for PostgreSQL
+# processname: repmgrd
+# pidfile="/var/run/${NAME}.pid"
+
+# Source function library.
+INITD=/etc/rc.d/init.d
+. $INITD/functions
+
+# Get function listing for cross-distribution logic.
+TYPESET=`typeset -f|grep "declare"`
+
+# Get network config.
+. /etc/sysconfig/network
+
+DESC="PostgreSQL replication management and monitoring daemon"
+NAME=repmgrd
+
+REPMGRD_ENABLED=no
+REPMGRD_OPTS=
+REPMGRD_USER=postgres
+REPMGRD_BIN=/usr/pgsql-9.3/bin/repmgrd
+REPMGRD_PIDFILE=/var/run/repmgrd.pid
+REPMGRD_LOCK=/var/lock/subsys/${NAME}
+REPMGRD_LOG=/var/lib/pgsql/9.3/data/pg_log/repmgrd.log
+
+# Read configuration variable file if it is present
+[ -r /etc/sysconfig/$NAME ] && . /etc/sysconfig/$NAME
+
+# For SELinux we need to use 'runuser' not 'su'
+if [ -x /sbin/runuser ]
+then
+    SU=runuser
+else
+    SU=su
+fi
+
+test -x $REPMGRD_BIN || exit 0
+
+case "$REPMGRD_ENABLED" in
+    [Yy]*)
+	break
+	;;
+    *)
+	exit 0
+	;;
+esac
+
+
+if [ -z "${REPMGRD_OPTS}" ]
+then
+    echo "Not starting ${NAME}, REPMGRD_OPTS not set in /etc/sysconfig/${NAME}"
+    exit 0
+fi
+
+start()
+{
+    REPMGRD_START=$"Starting ${NAME} service: "
+
+    # Make sure startup-time log file is valid
+    if [ ! -e "${REPMGRD_LOG}" -a ! -h "${REPMGRD_LOG}" ]
+    then
+        touch "${REPMGRD_LOG}" || exit 1
+        chown ${REPMGRD_USER}:postgres "${REPMGRD_LOG}"
+        chmod go-rwx "${REPMGRD_LOG}"
+        [ -x /sbin/restorecon ] && /sbin/restorecon "${REPMGRD_LOG}"
+    fi
+
+    echo -n "${REPMGRD_START}"
+    $SU -l $REPMGRD_USER -c "${REPMGRD_BIN} ${REPMGRD_OPTS} -p ${REPMGRD_PIDFILE} &" >> "${REPMGRD_LOG}" 2>&1 < /dev/null
+    sleep 2
+    pid=`head -n 1 "${REPMGRD_PIDFILE}" 2>/dev/null`
+    if [ "x${pid}" != "x" ]
+    then
+        success "${REPMGRD_START}"
+        touch "${REPMGRD_LOCK}"
+        echo $pid > "${REPMGRD_PIDFILE}"
+        echo
+    else
+        failure "${REPMGRD_START}"
+        echo
+        script_result=1
+    fi
+}
+
+stop()
+{
+    echo -n $"Stopping ${NAME} service: "
+    if [ -e "${REPMGRD_LOCK}" ]
+    then
+        killproc ${NAME}
+        ret=$? 
+        if [ $ret -eq 0 ]
+        then
+            echo_success
+            rm -f "${REPMGRD_PIDFILE}"
+            rm -f "${REPMGRD_LOCK}"
+        else
+            echo_failure
+            script_result=1
+        fi
+    else
+        # not running; per LSB standards this is "ok"   
+        echo_success
+    fi
+    echo
+}
+
+
+# See how we were called.
+case "$1" in
+  start)
+        start
+        ;;
+  stop)
+        stop
+        ;;
+  status)
+        status -p $REPMGRD_PIDFILE $NAME
+        script_result=$?
+        ;;
+  restart)
+        stop
+	start
+        ;;
+  *)
+        echo $"Usage: $0 {start|stop|status|restart}"
+        exit 2
+esac
+
+exit $script_result

RHEL/repmgrd.sysconfig

@@ -0,0 +1,21 @@
+# default settings for repmgrd. This file is source by /bin/sh from
+# /etc/init.d/repmgrd
+
+# disable repmgrd by default so it won't get started upon installation
+# valid values: yes/no
+REPMGRD_ENABLED=no
+
+# Options for repmgrd (required)
+#REPMGRD_OPTS="--verbose -d -f /var/lib/pgsql/repmgr/repmgr.conf"
+
+# User to run repmgrd as
+#REPMGRD_USER=postgres
+
+# repmgrd binary
+#REPMGRD_BIN=/usr/bin/repmgrd
+
+# pid file
+#REPMGRD_PIDFILE=/var/lib/pgsql/repmgr/repmgrd.pid
+
+# log file
+#REPMGRD_LOG=/var/lib/pgsql/repmgr/repmgrd.log

TODO

@@ -7,7 +7,6 @@ Known issues in repmgr
 
 * PGPASSFILE may not be passed to pg_basebackup
 
-
 Planned feature improvements
 ============================
 
@@ -40,35 +39,6 @@ Planned feature improvements
 * make old master node ID available for event notification commands
   (See github issue #80).
 
-* repmgr standby clone: possibility to use barman instead of performing a new base backup
+* Have pg_basebackup use replication slots, if and when support for
-
+  this is added; see:
-* possibility to transform a failed master into a new standby with pg_rewind
+    http://www.postgresql.org/message-id/555DD2B2.7020000@gmx.net
-
-* "repmgr standby switchover" to promote a standby in a controlled manner
-   and convert the existing primary into a standby
-
-* make repmgrd more robust
-
-* repmgr: when cloning a standby using pg_basebackup and replication slots are
-  requested, activate the replication slot using pg_receivexlog to negate the
-  need to set `wal_keep_segments` just for the initial clone (9.4 and 9.5).
-
-* repmgr: enable "standby follow" to point a standby at another standby, not
-  just the replication cluster master (see GitHub #130)
-
-
-Usability improvements
-======================
-
-* repmgr: add interrupt handler, so that if the program is interrupted
-  while running a backup, an attempt can be made to execute pg_stop_backup()
-  on the primary, to prevent an orphaned backup state existing.
-
-* repmgr: when unregistering a node, delete any entries in the repl_monitoring
-  table.
-
-* repmgr: for "standby unregister", accept connection parameters for the
-  primary and perform metadata updates (and slot removal) directly on
-  the primary, to allow a shutdown standby to be unregistered
-  (currently the standby must still be running, which means the replication
-  slot can't be dropped).

check_dir.c

@@ -1,6 +1,6 @@
 /*
  * check_dir.c - Directories management functions
- * Copyright (C) 2ndQuadrant, 2010-2016
+ * Copyright (C) 2ndQuadrant, 2010-2015
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -320,10 +320,10 @@ _create_pg_dir(char *dir, bool force, bool for_witness)
 			}
 			else if (pg_dir && !force)
 			{
-				log_hint(_("This looks like a PostgreSQL directory.\n"
+				log_warning(_("\nThis looks like a PostgreSQL directory.\n"
-							"If you are sure you want to clone here, "
+							  "If you are sure you want to clone here, "
-							"please check there is no PostgreSQL server "
+							  "please check there is no PostgreSQL server "
-							"running and use the -F/--force option\n"));
+							  "running and use the --force option\n"));
 				return false;
 			}
 

check_dir.h

@@ -1,6 +1,6 @@
 /*
  * check_dir.h
- * Copyright (c) 2ndQuadrant, 2010-2016
+ * Copyright (c) 2ndQuadrant, 2010-2015
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

config.c

@@ -1,6 +1,6 @@
 /*
  * config.c - Functions to parse the config file
- * Copyright (C) 2ndQuadrant, 2010-2016
+ * Copyright (C) 2ndQuadrant, 2010-2015
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -26,25 +26,9 @@
 
 static void parse_event_notifications_list(t_configuration_options *options, const char *arg);
 static void tablespace_list_append(t_configuration_options *options, const char *arg);
-static void exit_with_errors(ErrorList *config_errors);
 
-const static char *_progname = NULL;
 static char config_file_path[MAXPGPATH];
 static bool config_file_provided = false;
-bool config_file_found = false;
-
-
-void
-set_progname(const char *argv0)
-{
-	_progname = get_progname(argv0);
-}
-
-const char *
-progname(void)
-{
-	return _progname;
-}
 
 /*
  * load_config()
@@ -56,123 +40,61 @@ progname(void)
  *
  * Any configuration options changed in this function must also be changed in
  * reload_config()
- *
- * NOTE: this function is called before the logger is set up, so we need
- * to handle the verbose option ourselves; also the default log level is NOTICE,
- * so we can't use DEBUG.
  */
 bool
-load_config(const char *config_file, bool verbose, t_configuration_options *options, char *argv0)
+load_config(const char *config_file, t_configuration_options *options, char *argv0)
 {
-	struct stat stat_config;
+	struct stat config;
+	/* Sanity checks */
 
 	/*
 	 * If a configuration file was provided, check it exists, otherwise
-	 * emit an error and terminate. We assume that if a user explicitly
+	 * emit an error and terminate
-	 * provides a configuration file, they'll want to make sure it's
-	 * used and not fall back to any of the defaults.
 	 */
 	if (config_file[0])
 	{
 		strncpy(config_file_path, config_file, MAXPGPATH);
 		canonicalize_path(config_file_path);
 
-		if (stat(config_file_path, &stat_config) != 0)
+		if (stat(config_file_path, &config) != 0)
 		{
-			log_err(_("provided configuration file \"%s\" not found: %s\n"),
+			log_err(_("provided configuration file '%s' not found: %s\n"),
 					config_file,
 					strerror(errno)
 				);
 			exit(ERR_BAD_CONFIG);
 		}
 
-		if (verbose == true)
-		{
-			log_notice(_("using configuration file \"%s\"\n"), config_file);
-		}
-
 		config_file_provided = true;
-		config_file_found = true;
 	}
 
 	/*
 	 * If no configuration file was provided, attempt to find a default file
-	 * in this order:
-	 *  - current directory
-	 *  - /etc/repmgr.conf
-	 *  - default sysconfdir
-	 *
-	 * here we just check for the existence of the file; parse_config()
-	 * will handle read errors etc.
 	 */
 	if (config_file_provided == false)
 	{
 		char		my_exec_path[MAXPGPATH];
-		char		sysconf_etc_path[MAXPGPATH];
+		char		etc_path[MAXPGPATH];
 
-		/* 1. "./repmgr.conf" */
+		/* First check if one is in the default sysconfdir */
-		if (verbose == true)
-		{
-			log_notice(_("looking for configuration file in current directory\n"));
-		}
-
-		snprintf(config_file_path, MAXPGPATH, "./%s", CONFIG_FILE_NAME);
-		canonicalize_path(config_file_path);
-
-		if (stat(config_file_path, &stat_config) == 0)
-		{
-			config_file_found = true;
-			goto end_search;
-		}
-
-		/* 2. "/etc/repmgr.conf" */
-		if (verbose == true)
-		{
-			log_notice(_("looking for configuration file in /etc\n"));
-		}
-
-		snprintf(config_file_path, MAXPGPATH, "/etc/%s", CONFIG_FILE_NAME);
-		if (stat(config_file_path, &stat_config) == 0)
-		{
-			config_file_found = true;
-			goto end_search;
-		}
-
-		/* 3. default sysconfdir */
 		if (find_my_exec(argv0, my_exec_path) < 0)
 		{
 			fprintf(stderr, _("%s: could not find own program executable\n"), argv0);
 			exit(EXIT_FAILURE);
 		}
 
-		get_etc_path(my_exec_path, sysconf_etc_path);
+		get_etc_path(my_exec_path, etc_path);
 
-		if (verbose == true)
+		snprintf(config_file_path, MAXPGPATH, "%s/repmgr.conf", etc_path);
-		{
-			log_notice(_("looking for configuration file in %s\n"), sysconf_etc_path);
-		}
 
-		snprintf(config_file_path, MAXPGPATH, "%s/%s", sysconf_etc_path, CONFIG_FILE_NAME);
+		log_debug(_("Looking for configuration file in %s\n"), etc_path);
-		if (stat(config_file_path, &stat_config) == 0)
-		{
-			config_file_found = true;
-			goto end_search;
-		}
 
-	end_search:
+		if (stat(config_file_path, &config) != 0)
-		if (config_file_found == true)
 		{
-			if (verbose == true)
+			/* Not found - default to ./repmgr.conf */
-			{
+			strncpy(config_file_path, DEFAULT_CONFIG_FILE, MAXPGPATH);
-				log_notice(_("configuration file found at: %s\n"), config_file_path);
+			canonicalize_path(config_file_path);
-			}
+			log_debug(_("Looking for configuration file in %s\n"), config_file_path);
-		}
-		else
-		{
-			if (verbose == true)
-			{
-				log_notice(_("no configuration file provided or found\n"));
-			}
 		}
 	}
 
@@ -180,39 +102,49 @@ load_config(const char *config_file, bool verbose, t_configuration_options *opti
 }
 
 
-/*
- * Parse configuration file; if any errors are encountered,
- * list them and exit.
- *
- * Ensure any default values set here are synced with repmgr.conf.sample
- * and any other documentation.
- */
 bool
 parse_config(t_configuration_options *options)
 {
 	FILE	   *fp;
 	char	   *s,
-				buf[MAXLINELENGTH];
+				buff[MAXLINELENGTH];
 	char		name[MAXLEN];
 	char		value[MAXLEN];
 
 	/* For sanity-checking provided conninfo string */
 	PQconninfoOption *conninfo_options;
-	char	   *conninfo_errmsg = NULL;
+	char       *conninfo_errmsg = NULL;
 
-	/* Collate configuration file errors here for friendlier reporting */
+	fp = fopen(config_file_path, "r");
-	static ErrorList config_errors = { NULL, NULL };
 
-	bool		node_found = false;
+	/*
-
+	 * Since some commands don't require a config file at all, not having one
-	/* Initialize configuration options with sensible defaults
+	 * isn't necessarily a problem.
-	 * note: the default log level is set in log.c and does not need
+	 *
-	 * to be initialised here
+	 * If the user explictly provided a configuration file and we can't
+	 * read it we'll raise an error.
+	 *
+	 * If no configuration file was provided, we'll try and read the default\
+	 * file if it exists and is readable, but won't worry if it's not.
 	 */
+	if (fp == NULL)
+	{
+		if (config_file_provided)
+		{
+			log_err(_("unable to open provided configuration file '%s'; terminating\n"), config_file_path);
+			exit(ERR_BAD_CONFIG);
+		}
+
+		log_notice(_("no configuration file provided and default file '%s' not found - "
+					 "continuing with default values\n"),
+				   DEFAULT_CONFIG_FILE);
+		return false;
+	}
+
+	/* Initialize configuration options with sensible defaults */
 	memset(options->cluster_name, 0, sizeof(options->cluster_name));
 	options->node = -1;
 	options->upstream_node = NO_UPSTREAM_NODE;
-	options->use_replication_slots = 0;
 	memset(options->conninfo, 0, sizeof(options->conninfo));
 	options->failover = MANUAL_FAILOVER;
 	options->priority = DEFAULT_PRIORITY;
@@ -224,67 +156,31 @@ parse_config(t_configuration_options *options)
 	memset(options->pg_bindir, 0, sizeof(options->pg_bindir));
 	memset(options->pg_ctl_options, 0, sizeof(options->pg_ctl_options));
 	memset(options->pg_basebackup_options, 0, sizeof(options->pg_basebackup_options));
-	memset(options->restore_command, 0, sizeof(options->restore_command));
 
 	/* default master_response_timeout is 60 seconds */
 	options->master_response_timeout = 60;
 
 	/* default to 6 reconnection attempts at intervals of 10 seconds */
 	options->reconnect_attempts = 6;
-	options->reconnect_interval = 10;
+	options->reconnect_intvl = 10;
 
 	options->monitor_interval_secs = 2;
 	options->retry_promote_interval_secs = 300;
 
-	/* default to resyncing repl_nodes table every 30 seconds on the witness server */
-	options->witness_repl_nodes_sync_interval_secs = 30;
-
 	memset(options->event_notification_command, 0, sizeof(options->event_notification_command));
-	options->event_notifications.head = NULL;
-	options->event_notifications.tail = NULL;
 
 	options->tablespace_mapping.head = NULL;
 	options->tablespace_mapping.tail = NULL;
 
-	/*
-	 * If no configuration file available (user didn't specify and none found
-	 * in the default locations), return with default values
-	 */
-	if (config_file_found == false)
-	{
-		log_verbose(LOG_NOTICE, _("no configuration file provided and no default file found - "
-					 "continuing with default values\n"));
-		return true;
-	}
 
-	fp = fopen(config_file_path, "r");
 
-	/*
+	/* Read next line */
-	 * A configuration file has been found, either provided by the user
+	while ((s = fgets(buff, sizeof buff, fp)) != NULL)
-	 * or found in one of the default locations. If we can't open it,
-	 * fail with an error.
-	 */
-	if (fp == NULL)
-	{
-		if (config_file_provided)
-		{
-			log_err(_("unable to open provided configuration file \"%s\"; terminating\n"), config_file_path);
-		}
-		else
-		{
-			log_err(_("unable to open default configuration file  \"%s\"; terminating\n"), config_file_path);
-		}
-
-		exit(ERR_BAD_CONFIG);
-	}
-
-	/* Read file */
-	while ((s = fgets(buf, sizeof buf, fp)) != NULL)
 	{
 		bool known_parameter = true;
 
 		/* Parse name/value pair from line */
-		parse_line(buf, name, value);
+		parse_line(buff, name, value);
 
 		/* Skip blank lines */
 		if (!strlen(name))
@@ -298,12 +194,9 @@ parse_config(t_configuration_options *options)
 		if (strcmp(name, "cluster") == 0)
 			strncpy(options->cluster_name, value, MAXLEN);
 		else if (strcmp(name, "node") == 0)
-		{
+			options->node = atoi(value);
-			options->node = repmgr_atoi(value, "node", &config_errors, false);
-			node_found = true;
-		}
 		else if (strcmp(name, "upstream_node") == 0)
-			options->upstream_node = repmgr_atoi(value, "upstream_node", &config_errors, false);
+			options->upstream_node = atoi(value);
 		else if (strcmp(name, "conninfo") == 0)
 			strncpy(options->conninfo, value, MAXLEN);
 		else if (strcmp(name, "rsync_options") == 0)
@@ -330,11 +223,12 @@ parse_config(t_configuration_options *options)
 			}
 			else
 			{
-				error_list_append(&config_errors,_("value for 'failover' must be 'automatic' or 'manual'\n"));
+				log_err(_("value for 'failover' must be 'automatic' or 'manual'\n"));
+				exit(ERR_BAD_CONFIG);
 			}
 		}
 		else if (strcmp(name, "priority") == 0)
-			options->priority = repmgr_atoi(value, "priority", &config_errors, true);
+			options->priority = atoi(value);
 		else if (strcmp(name, "node_name") == 0)
 			strncpy(options->node_name, value, MAXLEN);
 		else if (strcmp(name, "promote_command") == 0)
@@ -342,17 +236,11 @@ parse_config(t_configuration_options *options)
 		else if (strcmp(name, "follow_command") == 0)
 			strncpy(options->follow_command, value, MAXLEN);
 		else if (strcmp(name, "master_response_timeout") == 0)
-			options->master_response_timeout = repmgr_atoi(value, "master_response_timeout", &config_errors, false);
+			options->master_response_timeout = atoi(value);
-		/*
-		 * 'primary_response_timeout' as synonym for 'master_response_timeout' -
-		 * we'll switch terminology in a future release (3.1?)
-		 */
-		else if (strcmp(name, "primary_response_timeout") == 0)
-			options->master_response_timeout = repmgr_atoi(value, "primary_response_timeout", &config_errors, false);
 		else if (strcmp(name, "reconnect_attempts") == 0)
-			options->reconnect_attempts = repmgr_atoi(value, "reconnect_attempts", &config_errors, false);
+			options->reconnect_attempts = atoi(value);
 		else if (strcmp(name, "reconnect_interval") == 0)
-			options->reconnect_interval = repmgr_atoi(value, "reconnect_interval", &config_errors, false);
+			options->reconnect_intvl = atoi(value);
 		else if (strcmp(name, "pg_bindir") == 0)
 			strncpy(options->pg_bindir, value, MAXLEN);
 		else if (strcmp(name, "pg_ctl_options") == 0)
@@ -362,22 +250,17 @@ parse_config(t_configuration_options *options)
 		else if (strcmp(name, "logfile") == 0)
 			strncpy(options->logfile, value, MAXLEN);
 		else if (strcmp(name, "monitor_interval_secs") == 0)
-			options->monitor_interval_secs = repmgr_atoi(value, "monitor_interval_secs", &config_errors, false);
+			options->monitor_interval_secs = atoi(value);
 		else if (strcmp(name, "retry_promote_interval_secs") == 0)
-			options->retry_promote_interval_secs = repmgr_atoi(value, "retry_promote_interval_secs", &config_errors, false);
+			options->retry_promote_interval_secs = atoi(value);
-		else if (strcmp(name, "witness_repl_nodes_sync_interval_secs") == 0)
-			options->witness_repl_nodes_sync_interval_secs = repmgr_atoi(value, "witness_repl_nodes_sync_interval_secs", &config_errors, false);
 		else if (strcmp(name, "use_replication_slots") == 0)
-			/* XXX we should have a dedicated boolean argument format */
+			options->use_replication_slots = atoi(value);
-			options->use_replication_slots = repmgr_atoi(value, "use_replication_slots", &config_errors, false);
 		else if (strcmp(name, "event_notification_command") == 0)
 			strncpy(options->event_notification_command, value, MAXLEN);
 		else if (strcmp(name, "event_notifications") == 0)
 			parse_event_notifications_list(options, value);
 		else if (strcmp(name, "tablespace_mapping") == 0)
 			tablespace_list_append(options, value);
-		else if (strcmp(name, "restore_command") == 0)
-			strncpy(options->restore_command, value, MAXLEN);
 		else
 		{
 			known_parameter = false;
@@ -391,54 +274,76 @@ parse_config(t_configuration_options *options)
 		 * as currently e.g. an empty `node` value will be converted to '0'.
 		 */
 		if (known_parameter == true && !strlen(value)) {
-			char	   error_message_buf[MAXLEN] = "";
+			log_err(_("no value provided for parameter '%s'\n"), name);
-			snprintf(error_message_buf,
+			exit(ERR_BAD_CONFIG);
-					 MAXLEN,
-					 _("no value provided for parameter \"%s\""),
-					 name);
-
-			error_list_append(&config_errors, error_message_buf);
 		}
 	}
 
 	fclose(fp);
 
+	/* Check config settings */
 
-	if (node_found == false)
+	/* The following checks are for the presence of the parameter */
+	if (*options->cluster_name == '\0')
 	{
-		error_list_append(&config_errors, _("\"node\": parameter was not found"));
+		log_err(_("required parameter 'cluster' was not found\n"));
-	}
+		exit(ERR_BAD_CONFIG);
-	else if (options->node == 0)
-	{
-		error_list_append(&config_errors, _("\"node\": must be greater than zero"));
 	}
 
-	if (strlen(options->conninfo))
+	if (options->node == -1)
 	{
-
+		log_err(_("required parameter 'node' was not found\n"));
-		/* Sanity check the provided conninfo string
+		exit(ERR_BAD_CONFIG);
-		 *
-		 * NOTE: PQconninfoParse() verifies the string format and checks for valid options
-		 * but does not sanity check values
-		 */
-		conninfo_options = PQconninfoParse(options->conninfo, &conninfo_errmsg);
-		if (conninfo_options == NULL)
-		{
-			char	   error_message_buf[MAXLEN] = "";
-			snprintf(error_message_buf,
-					 MAXLEN,
-					 _("\"conninfo\": %s"),
-					 conninfo_errmsg);
-
-			error_list_append(&config_errors, error_message_buf);
-		}
-
-		PQconninfoFree(conninfo_options);
 	}
 
-	if (config_errors.head != NULL)
+	if (options->node == 0)
 	{
-		exit_with_errors(&config_errors);
+		log_err(_("'node' must be an integer greater than zero\n"));
+		exit(ERR_BAD_CONFIG);
+	}
+
+	if (*options->node_name == '\0')
+	{
+		log_err(_("required parameter 'node_name' was not found\n"));
+		exit(ERR_BAD_CONFIG);
+	}
+
+	if (*options->conninfo == '\0')
+	{
+		log_err(_("required parameter 'conninfo' was not found\n"));
+		exit(ERR_BAD_CONFIG);
+	}
+
+	/* Sanity check the provided conninfo string
+	 *
+	 * NOTE: this verifies the string format and checks for valid options
+	 * but does not sanity check values
+	 */
+	conninfo_options = PQconninfoParse(options->conninfo, &conninfo_errmsg);
+	if (conninfo_options == NULL)
+	{
+		log_err(_("Parameter 'conninfo' is invalid: %s"), conninfo_errmsg);
+		exit(ERR_BAD_CONFIG);
+	}
+	PQconninfoFree(conninfo_options);
+
+	/* The following checks are for valid parameter values */
+	if (options->master_response_timeout <= 0)
+	{
+		log_err(_("'master_response_timeout' must be greater than zero\n"));
+		exit(ERR_BAD_CONFIG);
+	}
+
+	if (options->reconnect_attempts < 0)
+	{
+		log_err(_("'reconnect_attempts' must be zero or greater\n"));
+		exit(ERR_BAD_CONFIG);
+	}
+
+	if (options->reconnect_intvl < 0)
+	{
+		log_err(_("'reconnect_interval' must be zero or greater\n"));
+		exit(ERR_BAD_CONFIG);
 	}
 
 	return true;
@@ -473,7 +378,7 @@ trim(char *s)
 }
 
 void
-parse_line(char *buf, char *name, char *value)
+parse_line(char *buff, char *name, char *value)
 {
 	int			i = 0;
 	int			j = 0;
@@ -484,10 +389,10 @@ parse_line(char *buf, char *name, char *value)
 	for (; i < MAXLEN; ++i)
 	{
 
-		if (buf[i] == '=')
+		if (buff[i] == '=')
 			break;
 
-		switch(buf[i])
+		switch(buff[i])
 		{
 			/* Ignore whitespace */
 			case ' ':
@@ -496,7 +401,7 @@ parse_line(char *buf, char *name, char *value)
 			case '\t':
 				continue;
 			default:
-				name[j++] = buf[i];
+				name[j++] = buff[i];
 		}
 	}
 	name[j] = '\0';
@@ -506,9 +411,9 @@ parse_line(char *buf, char *name, char *value)
 	 */
 	for (; i < MAXLEN; ++i)
 	{
-		if (buf[i+1] == ' ')
+		if (buff[i+1] == ' ')
 			continue;
-		if (buf[i+1] == '\t')
+		if (buff[i+1] == '\t')
 			continue;
 
 		break;
@@ -519,12 +424,12 @@ parse_line(char *buf, char *name, char *value)
 	 */
 	j = 0;
 	for (++i; i < MAXLEN; ++i)
-		if (buf[i] == '\'')
+		if (buff[i] == '\'')
 			continue;
-		else if (buf[i] == '#')
+		else if (buff[i] == '#')
 			break;
-		else if (buf[i] != '\n')
+		else if (buff[i] != '\n')
-			value[j++] = buf[i];
+			value[j++] = buff[i];
 		else
 			break;
 	value[j] = '\0';
@@ -586,7 +491,7 @@ reload_config(t_configuration_options *orig_options)
 		return false;
 	}
 
-	if (new_options.reconnect_interval < 0)
+	if (new_options.reconnect_intvl < 0)
 	{
 		log_warning(_("new value for 'reconnect_interval' must be zero or greater\n"));
 		return false;
@@ -705,10 +610,10 @@ reload_config(t_configuration_options *orig_options)
 		config_changed = true;
 	}
 
-	/* reconnect_interval */
+	/* reconnect_intvl */
-	if (orig_options->reconnect_interval != new_options.reconnect_interval)
+	if (orig_options->reconnect_intvl != new_options.reconnect_intvl)
 	{
-		orig_options->reconnect_interval = new_options.reconnect_interval;
+		orig_options->reconnect_intvl = new_options.reconnect_intvl;
 		config_changed = true;
 	}
 
@@ -760,96 +665,6 @@ reload_config(t_configuration_options *orig_options)
 }
 
 
-void
-error_list_append(ErrorList *error_list, char *error_message)
-{
-	ErrorListCell *cell;
-
-	cell = (ErrorListCell *) pg_malloc0(sizeof(ErrorListCell));
-
-	if (cell == NULL)
-	{
-		log_err(_("unable to allocate memory; terminating.\n"));
-		exit(ERR_BAD_CONFIG);
-	}
-
-	cell->error_message = pg_malloc0(MAXLEN);
-	strncpy(cell->error_message, error_message, MAXLEN);
-
-	if (error_list->tail)
-	{
-		error_list->tail->next = cell;
-	}
-	else
-	{
-		error_list->head = cell;
-	}
-
-	error_list->tail = cell;
-}
-
-
-/*
- * Convert provided string to an integer using strtol;
- * on error, if a callback is provided, pass the error message to that,
- * otherwise exit
- */
-int
-repmgr_atoi(const char *value, const char *config_item, ErrorList *error_list, bool allow_negative)
-{
-	char	  *endptr;
-	long	   longval = 0;
-	char	   error_message_buf[MAXLEN] = "";
-
-	/* It's possible that some versions of strtol() don't treat an empty
-	 * string as an error.
-	 */
-
-	if (*value == '\0')
-	{
-		snprintf(error_message_buf,
-				 MAXLEN,
-				 _("no value provided for \"%s\""),
-				 config_item);
-	}
-	else
-	{
-		errno = 0;
-		longval = strtol(value, &endptr, 10);
-
-		if (value == endptr || errno)
-		{
-			snprintf(error_message_buf,
-					 MAXLEN,
-					 _("\"%s\": invalid value (provided: \"%s\")"),
-					 config_item, value);
-		}
-	}
-
-	/* Disallow negative values for most parameters */
-	if (allow_negative == false && longval < 0)
-	{
-		snprintf(error_message_buf,
-				 MAXLEN,
-				 _("\"%s\" must be zero or greater (provided: %s)"),
-				 config_item, value);
-	}
-
-	/* Error message buffer is set */
-	if (error_message_buf[0] != '\0')
-	{
-		if (error_list == NULL)
-		{
-			log_err("%s\n", error_message_buf);
-			exit(ERR_BAD_CONFIG);
-		}
-
-		error_list_append(error_list, error_message_buf);
-	}
-
-	return (int32) longval;
-}
-
 
 /*
  * Split argument into old_dir and new_dir and append to tablespace mapping
@@ -982,21 +797,3 @@ parse_event_notifications_list(t_configuration_options *options, const char *arg
 		}
 	}
 }
-
-
-
-static void
-exit_with_errors(ErrorList *config_errors)
-{
-	ErrorListCell *cell;
-
-	log_err(_("%s: following errors were found in the configuration file.\n"), progname());
-
-	for (cell = config_errors->head; cell; cell = cell->next)
-	{
-		log_err("%s\n", cell->error_message);
-	}
-
-	exit(ERR_BAD_CONFIG);
-}
-

config.h

@@ -1,6 +1,6 @@
 /*
  * config.h
- * Copyright (c) 2ndQuadrant, 2010-2016
+ * Copyright (c) 2ndQuadrant, 2010-2015
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -24,7 +24,6 @@
 
 #include "strutil.h"
 
-#define CONFIG_FILE_NAME	"repmgr.conf"
 
 typedef struct EventNotificationListCell
 {
@@ -68,51 +67,26 @@ typedef struct
 	char		ssh_options[QUERY_STR_LEN];
 	int			master_response_timeout;
 	int			reconnect_attempts;
-	int			reconnect_interval;
+	int			reconnect_intvl;
 	char		pg_bindir[MAXLEN];
 	char		pg_ctl_options[MAXLEN];
 	char		pg_basebackup_options[MAXLEN];
-	char		restore_command[MAXLEN];
 	char		logfile[MAXLEN];
 	int			monitor_interval_secs;
 	int			retry_promote_interval_secs;
-	int			witness_repl_nodes_sync_interval_secs;
 	int			use_replication_slots;
 	char		event_notification_command[MAXLEN];
 	EventNotificationList event_notifications;
 	TablespaceList tablespace_mapping;
 }	t_configuration_options;
 
-/*
+#define T_CONFIGURATION_OPTIONS_INITIALIZER { "", -1, NO_UPSTREAM_NODE, "", MANUAL_FAILOVER, -1, "", "", "", "", "", "", "", -1, -1, -1, "", "", "", "", 0, 0, 0, "", { NULL, NULL }, {NULL, NULL} }
- * The following will initialize the structure with a minimal set of options;
- * actual defaults are set in parse_config() before parsing the configuration file
- */
-#define T_CONFIGURATION_OPTIONS_INITIALIZER { "", -1, NO_UPSTREAM_NODE, "", MANUAL_FAILOVER, -1, "", "", "", "", "", "", "", -1, -1, -1, "", "", "", "", "", 0, 0, 0, 0, "", { NULL, NULL }, { NULL, NULL } }
 
-typedef struct ErrorListCell
-{
-	struct ErrorListCell *next;
-	char			     *error_message;
-} ErrorListCell;
 
-typedef struct ErrorList
+bool		load_config(const char *config_file, t_configuration_options *options, char *argv0);
-{
-	ErrorListCell *head;
-	ErrorListCell *tail;
-} ErrorList;
-
-void set_progname(const char *argv0);
-const char * progname(void);
-
-bool		load_config(const char *config_file, bool verbose, t_configuration_options *options, char *argv0);
 bool		reload_config(t_configuration_options *orig_options);
 bool		parse_config(t_configuration_options *options);
 void		parse_line(char *buff, char *name, char *value);
 char	   *trim(char *s);
-void		error_list_append(ErrorList *error_list, char *error_message);
-int			repmgr_atoi(const char *s,
-						const char *config_item,
-						ErrorList *error_list,
-						bool allow_negative);
 
 #endif

dbutils.h

@@ -1,6 +1,6 @@
 /*
  * dbutils.h
- * Copyright (c) 2ndQuadrant, 2010-2016
+ * Copyright (c) 2ndQuadrant, 2010-2015
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -20,73 +20,13 @@
 #ifndef _REPMGR_DBUTILS_H_
 #define _REPMGR_DBUTILS_H_
 
-#include "access/xlogdefs.h"
-
 #include "config.h"
 #include "strutil.h"
 
 
-typedef enum {
-	UNKNOWN = 0,
-	MASTER,
-	STANDBY,
-	WITNESS
-} t_server_type;
 
-/*
- * Struct to store node information
- */
-typedef struct s_node_info
-{
-	int			  node_id;
-	int			  upstream_node_id;
-	t_server_type type;
-	char		  name[MAXLEN];
-	char		  conninfo_str[MAXLEN];
-	char		  slot_name[MAXLEN];
-	int			  priority;
-	bool		  active;
-	bool		  is_ready;
-	bool		  is_visible;
-	XLogRecPtr	  xlog_location;
-}	t_node_info;
-
-
-#define T_NODE_INFO_INITIALIZER { \
-  NODE_NOT_FOUND, \
-  NO_UPSTREAM_NODE, \
-  UNKNOWN, \
-  "", \
-  "", \
-  "", \
-  DEFAULT_PRIORITY, \
-  true, \
-  false, \
-  false, \
-  InvalidXLogRecPtr \
-}
-
-/*
- * Struct to store replication slot information
- */
-
-typedef struct s_replication_slot
-{
-	char slot_name[MAXLEN];
-    char slot_type[MAXLEN];
-	bool active;
-}   t_replication_slot;
-
-
-
-PGconn *_establish_db_connection(const char *conninfo,
-								 const bool exit_on_error,
-								 const bool log_notice,
-								 const bool verbose_only);
 PGconn *establish_db_connection(const char *conninfo,
-								const bool exit_on_error);
+						const bool exit_on_error);
-PGconn *establish_db_connection_quiet(const char *conninfo);
-PGconn *test_db_connection(const char *conninfo);
 PGconn *establish_db_connection_by_params(const char *keywords[],
 								  const char *values[],
 								  const bool exit_on_error);
@@ -105,7 +45,7 @@ int			guc_set(PGconn *conn, const char *parameter, const char *op,
 			const char *value);
 int			guc_set_typed(PGconn *conn, const char *parameter, const char *op,
 			  const char *value, const char *datatype);
-bool		get_conninfo_value(const char *conninfo, const char *keyword, char *output);
+
 PGconn     *get_upstream_connection(PGconn *standby_conn, char *cluster,
 									int node_id,
 									int *upstream_node_id_ptr,
@@ -117,23 +57,16 @@ int			wait_connection_availability(PGconn *conn, long long timeout);
 bool		cancel_query(PGconn *conn, int timeout);
 char       *get_repmgr_schema(void);
 char       *get_repmgr_schema_quoted(PGconn *conn);
-bool		create_replication_slot(PGconn *conn, char *slot_name, int server_version_num);
+bool		create_replication_slot(PGconn *conn, char *slot_name);
-int			get_slot_record(PGconn *conn, char *slot_name, t_replication_slot *record);
+
-bool		drop_replication_slot(PGconn *conn, char *slot_name);
 bool		start_backup(PGconn *conn, char *first_wal_segment, bool fast_checkpoint);
 bool		stop_backup(PGconn *conn, char *last_wal_segment);
 bool		set_config_bool(PGconn *conn, const char *config_param, bool state);
-bool		witness_copy_node_records(PGconn *masterconn, PGconn *witnessconn, char *cluster_name);
+bool		copy_configuration(PGconn *masterconn, PGconn *witnessconn, char *cluster_name);
-bool		create_node_record(PGconn *conn, char *action, int node, char *type, int upstream_node, char *cluster_name, char *node_name, char *conninfo, int priority, char *slot_name, bool active);
+bool		create_node_record(PGconn *conn, char *action, int node, char *type, int upstream_node, char *cluster_name, char *node_name, char *conninfo, int priority, char *slot_name);
 bool		delete_node_record(PGconn *conn, int node, char *action);
-int			get_node_record(PGconn *conn, char *cluster, int node_id, t_node_info *node_info);
-int			get_node_record_by_name(PGconn *conn, char *cluster, const char *node_name, t_node_info *node_info);
-bool        update_node_record_status(PGconn *conn, char *cluster_name, int this_node_id, char *type, int upstream_node_id, bool active);
-bool        update_node_record_set_upstream(PGconn *conn, char *cluster_name, int this_node_id, int new_upstream_node_id);
 bool        create_event_record(PGconn *conn, t_configuration_options *options, int node_id, char *event, bool successful, char *details);
+bool        update_node_record_set_upstream(PGconn *conn, char *cluster_name, int this_node_id, int new_upstream_node_id);
+PGresult *	get_node_record(PGconn *conn, char *cluster, int node_id);
 
-int		    get_node_replication_state(PGconn *conn, char *node_name, char *output);
-t_server_type parse_node_type(const char *type);
-int			get_data_checksum_version(const char *data_directory);
 #endif
-

debian/DEBIAN/control

@@ -1,9 +1,9 @@
 Package: repmgr-auto
-Version: 3.1.3
+Version: 2.0beta2
 Section: database
 Priority: optional
 Architecture: all
-Depends: rsync, postgresql-9.3 | postgresql-9.4 | postgresql-9.5
+Depends: rsync, postgresql-9.0 | postgresql-9.1 | postgresql-9.2 | postgresql-9.3 | postgresql-9.4
-Maintainer: Self built package <user@localhost>
+Maintainer: Jaime Casanova <jaime@2ndQuadrant.com>
 Description: PostgreSQL replication setup, magament and monitoring
  has two main executables

debian/repmgr.repmgrd.init

@@ -59,7 +59,7 @@ do_stop()
 	#   0 if daemon has been stopped
 	#   1 if daemon was already stopped
 	#   other if daemon could not be stopped or a failure occurred
-	start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $REPMGRD_PIDFILE --name "$(basename $REPMGRD_BIN)"
+	start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $REPMGRD_PIDFILE --exec $REPMGRD_BIN
 }
 
 case "$1" in

dirmod.c

@@ -1,194 +0,0 @@
-/*
- *
- * dirmod.c
- *	  directory handling functions
- *
- * Copyright (C) 2ndQuadrant, 2010-2016
- *
- * Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#include "postgres_fe.h"
-
-/* Don't modify declarations in system headers */
-
-#include <unistd.h>
-#include <dirent.h>
-#include <sys/stat.h>
-
-/*
- * pgfnames
- *
- * return a list of the names of objects in the argument directory.  Caller
- * must call pgfnames_cleanup later to free the memory allocated by this
- * function.
- */
-char	  **
-pgfnames(const char *path)
-{
-	DIR		   *dir;
-	struct dirent *file;
-	char	  **filenames;
-	int			numnames = 0;
-	int			fnsize = 200;	/* enough for many small dbs */
-
-	dir = opendir(path);
-	if (dir == NULL)
-	{
-		return NULL;
-	}
-
-	filenames = (char **) palloc(fnsize * sizeof(char *));
-
-	while (errno = 0, (file = readdir(dir)) != NULL)
-	{
-		if (strcmp(file->d_name, ".") != 0 && strcmp(file->d_name, "..") != 0)
-		{
-			if (numnames + 1 >= fnsize)
-			{
-				fnsize *= 2;
-				filenames = (char **) repalloc(filenames,
-											   fnsize * sizeof(char *));
-			}
-			filenames[numnames++] = pstrdup(file->d_name);
-		}
-	}
-
-	if (errno)
-	{
-		fprintf(stderr, _("could not read directory \"%s\": %s\n"),
-				path, strerror(errno));
-	}
-
-	filenames[numnames] = NULL;
-
-	if (closedir(dir))
-	{
-		fprintf(stderr, _("could not close directory \"%s\": %s\n"),
-				path, strerror(errno));
-	}
-
-	return filenames;
-}
-
-
-/*
- *	pgfnames_cleanup
- *
- *	deallocate memory used for filenames
- */
-void
-pgfnames_cleanup(char **filenames)
-{
-	char	  **fn;
-
-	for (fn = filenames; *fn; fn++)
-		pfree(*fn);
-
-	pfree(filenames);
-}
-
-
-/*
- *	rmtree
- *
- *	Delete a directory tree recursively.
- *	Assumes path points to a valid directory.
- *	Deletes everything under path.
- *	If rmtopdir is true deletes the directory too.
- *	Returns true if successful, false if there was any problem.
- *	(The details of the problem are reported already, so caller
- *	doesn't really have to say anything more, but most do.)
- */
-bool
-rmtree(const char *path, bool rmtopdir)
-{
-	bool		result = true;
-	char		pathbuf[MAXPGPATH];
-	char	  **filenames;
-	char	  **filename;
-	struct stat statbuf;
-
-	/*
-	 * we copy all the names out of the directory before we start modifying
-	 * it.
-	 */
-	filenames = pgfnames(path);
-
-	if (filenames == NULL)
-		return false;
-
-	/* now we have the names we can start removing things */
-	for (filename = filenames; *filename; filename++)
-	{
-		snprintf(pathbuf, MAXPGPATH, "%s/%s", path, *filename);
-
-		/*
-		 * It's ok if the file is not there anymore; we were just about to
-		 * delete it anyway.
-		 *
-		 * This is not an academic possibility. One scenario where this
-		 * happens is when bgwriter has a pending unlink request for a file in
-		 * a database that's being dropped. In dropdb(), we call
-		 * ForgetDatabaseFsyncRequests() to flush out any such pending unlink
-		 * requests, but because that's asynchronous, it's not guaranteed that
-		 * the bgwriter receives the message in time.
-		 */
-		if (lstat(pathbuf, &statbuf) != 0)
-		{
-			if (errno != ENOENT)
-			{
-				result = false;
-			}
-			continue;
-		}
-
-		if (S_ISDIR(statbuf.st_mode))
-		{
-			/* call ourselves recursively for a directory */
-			if (!rmtree(pathbuf, true))
-			{
-				/* we already reported the error */
-				result = false;
-			}
-		}
-		else
-		{
-			if (unlink(pathbuf) != 0)
-			{
-				if (errno != ENOENT)
-				{
-					result = false;
-				}
-			}
-		}
-	}
-
-	if (rmtopdir)
-	{
-		if (rmdir(path) != 0)
-		{
-			result = false;
-		}
-	}
-
-	pgfnames_cleanup(filenames);
-
-	return result;
-}
-

dirmod.h

@@ -1,23 +0,0 @@
-/*
- * dirmod.h
- * Copyright (c) 2ndQuadrant, 2010-2016
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#ifndef _DIRMOD_H_
-#define _DIRMOD_H_
-
-#endif

errcode.h

@@ -1,6 +1,6 @@
 /*
  * errcode.h
- * Copyright (C) 2ndQuadrant, 2010-2016
+ * Copyright (C) 2ndQuadrant, 2010-2015
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -29,14 +29,12 @@
 #define ERR_DB_CON 6
 #define ERR_DB_QUERY 7
 #define ERR_PROMOTED 8
+#define ERR_BAD_PASSWORD 9
 #define ERR_STR_OVERFLOW 10
 #define ERR_FAILOVER_FAIL 11
 #define ERR_BAD_SSH 12
 #define ERR_SYS_FAILURE 13
 #define ERR_BAD_BASEBACKUP 14
 #define ERR_INTERNAL 15
-#define ERR_MONITORING_FAIL 16
-#define ERR_BAD_BACKUP_LABEL 17
-#define ERR_SWITCHOVER_FAIL 18
 
 #endif   /* _ERRCODE_H_ */

log.c

@@ -1,6 +1,6 @@
 /*
  * log.c - Logging methods
- * Copyright (C) 2ndQuadrant, 2010-2016
+ * Copyright (C) 2ndQuadrant, 2010-2015
  *
  * This module is a set of methods for logging (currently only syslog)
  *
@@ -39,38 +39,13 @@
 
 /* #define REPMGR_DEBUG */
 
-static int	detect_log_facility(const char *facility);
+void
-static void _stderr_log_with_level(const char *level_name, int level, const char *fmt, va_list ap)
-__attribute__((format(PG_PRINTF_ATTRIBUTE, 3, 0)));
-
-int			log_type = REPMGR_STDERR;
-int			log_level = LOG_NOTICE;
-int			last_log_level = LOG_NOTICE;
-int			verbose_logging = false;
-int			terse_logging = false;
-
-extern void
 stderr_log_with_level(const char *level_name, int level, const char *fmt, ...)
-{
-	va_list		arglist;
-
-	va_start(arglist, fmt);
-	_stderr_log_with_level(level_name, level, fmt, arglist);
-	va_end(arglist);
-}
-
-static void
-_stderr_log_with_level(const char *level_name, int level, const char *fmt, va_list ap)
 {
 	time_t		t;
 	struct tm  *tm;
 	char		buff[100];
-
+	va_list		ap;
-	/*
-	 * Store the requested level so that if there's a subsequent
-	 * log_hint(), we can suppress that if appropriate.
-	 */
-	last_log_level = level;
 
 	if (log_level >= level)
 	{
@@ -79,74 +54,24 @@ _stderr_log_with_level(const char *level_name, int level, const char *fmt, va_li
 		strftime(buff, 100, "[%Y-%m-%d %H:%M:%S]", tm);
 		fprintf(stderr, "%s [%s] ", buff, level_name);
 
+		va_start(ap, fmt);
 		vfprintf(stderr, fmt, ap);
+		va_end(ap);
 
 		fflush(stderr);
 	}
 }
 
-void
-log_hint(const char *fmt, ...)
-{
-	va_list		ap;
 
-	if (terse_logging == false)
+static int	detect_log_level(const char *level);
-	{
+static int	detect_log_facility(const char *facility);
-		va_start(ap, fmt);
-		_stderr_log_with_level("HINT", last_log_level, fmt, ap);
-		va_end(ap);
-	}
-}
-
-
-void
-log_verbose(int level, const char *fmt, ...)
-{
-	va_list		ap;
-
-	va_start(ap, fmt);
-
-	if (verbose_logging == true)
-	{
-		switch(level)
-		{
-			case LOG_EMERG:
-				_stderr_log_with_level("EMERG", level, fmt, ap);
-				break;
-			case LOG_ALERT:
-				_stderr_log_with_level("ALERT", level, fmt, ap);
-				break;
-			case LOG_CRIT:
-				_stderr_log_with_level("CRIT", level, fmt, ap);
-				break;
-			case LOG_ERR:
-				_stderr_log_with_level("ERR", level, fmt, ap);
-				break;
-			case LOG_WARNING:
-				_stderr_log_with_level("WARNING", level, fmt, ap);
-				break;
-			case LOG_NOTICE:
-				_stderr_log_with_level("NOTICE", level, fmt, ap);
-				break;
-			case LOG_INFO:
-				_stderr_log_with_level("INFO", level, fmt, ap);
-				break;
-			case LOG_DEBUG:
-				_stderr_log_with_level("DEBUG", level, fmt, ap);
-				break;
-		}
-	}
-
-	va_end(ap);
-}
 
+int			log_type = REPMGR_STDERR;
+int			log_level = LOG_NOTICE;
 
 bool
-logger_init(t_configuration_options *opts, const char *ident)
+logger_init(t_configuration_options * opts, const char *ident, const char *level, const char *facility)
 {
-	char	   *level = opts->loglevel;
-	char	   *facility = opts->logfacility;
-
 	int			l;
 	int			f;
 
@@ -170,10 +95,10 @@ logger_init(t_configuration_options *opts, const char *ident)
 		printf("Assigned level for logger: %d\n", l);
 #endif
 
-		if (l >= 0)
+		if (l > 0)
 			log_level = l;
 		else
-			stderr_log_warning(_("Invalid log level \"%s\" (available values: DEBUG, INFO, NOTICE, WARNING, ERR, ALERT, CRIT or EMERG)\n"), level);
+			stderr_log_warning(_("Cannot detect log level %s (use any of DEBUG, INFO, NOTICE, WARNING, ERR, ALERT, CRIT or EMERG)\n"), level);
 	}
 
 	if (facility && *facility)
@@ -249,8 +174,8 @@ logger_init(t_configuration_options *opts, const char *ident)
 	}
 
 	return true;
-}
 
+}
 
 bool
 logger_shutdown(void)
@@ -264,32 +189,17 @@ logger_shutdown(void)
 }
 
 /*
- * Indicate whether extra-verbose logging is required. This will
+ * Set a minimum logging level.  Intended for command line verbosity
- * generate a lot of output, particularly debug logging, and should
+ * options, which might increase requested logging over what's specified
- * not be permanently enabled in production.
+ * in the regular configuration file.
- *
- * NOTE: in previous repmgr versions, this option forced the log
- * level to INFO.
  */
 void
-logger_set_verbose(void)
+logger_min_verbose(int minimum)
 {
-	verbose_logging = true;
+	if (log_level < minimum)
+		log_level = minimum;
 }
 
-
-/*
- * Indicate whether some non-critical log messages can be omitted.
- * Currently this includes warnings about irrelevant command line
- * options and hints.
- */
-
-void logger_set_terse(void)
-{
-	terse_logging = true;
-}
-
-
 int
 detect_log_level(const char *level)
 {
@@ -310,16 +220,17 @@ detect_log_level(const char *level)
 	if (!strcmp(level, "EMERG"))
 		return LOG_EMERG;
 
-	return -1;
+	return 0;
 }
 
-static int
+int
 detect_log_facility(const char *facility)
 {
 	int			local = 0;
 
 	if (!strncmp(facility, "LOCAL", 5) && strlen(facility) == 6)
 	{
+
 		local = atoi(&facility[5]);
 
 		switch (local)

log.h

@@ -1,6 +1,6 @@
 /*
  * log.h
- * Copyright (c) 2ndQuadrant, 2010-2016
+ * Copyright (c) 2ndQuadrant, 2010-2015
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -25,7 +25,7 @@
 #define REPMGR_SYSLOG 1
 #define REPMGR_STDERR 2
 
-extern void
+void
 stderr_log_with_level(const char *level_name, int level, const char *fmt,...)
 __attribute__((format(PG_PRINTF_ATTRIBUTE, 3, 4)));
 
@@ -112,25 +112,15 @@ __attribute__((format(PG_PRINTF_ATTRIBUTE, 3, 4)));
 #endif
 
 
-int			detect_log_level(const char *level);
-
 /* Logger initialisation and shutdown */
-
-bool		logger_init(t_configuration_options * opts, const char *ident);
-
 bool		logger_shutdown(void);
 
-void		logger_set_verbose(void);
+bool logger_init(t_configuration_options * opts, const char *ident,
-void		logger_set_terse(void);
+			const char *level, const char *facility);
 
-void		log_hint(const char *fmt, ...)
+void		logger_min_verbose(int minimum);
-__attribute__((format(PG_PRINTF_ATTRIBUTE, 1, 2)));
-void		log_verbose(int level, const char *fmt, ...)
-__attribute__((format(PG_PRINTF_ATTRIBUTE, 2, 3)));
 
 extern int	log_type;
 extern int	log_level;
-extern int	verbose_logging;
-extern int	terse_logging;
 
-#endif /* _REPMGR_LOG_H_ */
+#endif

repmgr.conf.sample

@@ -2,10 +2,6 @@
 # Replication Manager sample configuration file
 ###################################################
 
-# Some configuration items will be set with a default value; this
-# is noted for each item. Where no default value is shown, the
-# parameter will be treated as empty or false.
-
 # Required configuration items
 # ============================
 #
@@ -15,29 +11,17 @@
 # schema (pattern: "repmgr_{cluster}"); while this name will be quoted
 # to preserve case, we recommend using lower case and avoiding whitespace
 # to facilitate easier querying of the repmgr views and tables.
-#cluster=example_cluster
+cluster=example_cluster
 
 # Node ID and name
 # (Note: we recommend to avoid naming nodes after their initial
-#  replication function, as this will cause confusion when e.g.
+#  replication funcion, as this will cause confusion when e.g.
-#  "standby2" is promoted to primary)
+#  "standby2" is promoted to master)
-#node=2           # a unique integer
+node=2
-#node_name=node2  # an arbitrary (but unique) string; we recommend using
+node_name=node2
-                 # the server's hostname or another identifier unambiguously
-                 # associated with the server to avoid confusion
 
-# Database connection information as a conninfo string
+# Database connection information
-# This must be accessible to all servers in the cluster; for details see:
+conninfo='host=192.168.204.104 dbname=repmgr_db user=repmgr_usr'
-#
-#   https://www.postgresql.org/docs/current/static/libpq-connect.html#LIBPQ-CONNSTRING
-#
-#conninfo='host=192.168.204.104 dbname=repmgr_db user=repmgr_usr'
-#
-# If repmgrd is in use, consider explicitly setting `connect_timeout` in the
-# conninfo string to determine the length of time which elapses before
-# a network connection attempt is abandoned; for details see:
-#
-#   https://www.postgresql.org/docs/current/static/libpq-connect.html#LIBPQ-CONNECT-CONNECT-TIMEOUT
 
 # Optional configuration items
 # ============================
@@ -45,34 +29,33 @@
 # Replication settings
 # ---------------------
 
-# When using cascading replication, a standby can connect to another
+# when using cascading replication and a standby is to be connected to an
-# upstream standby node which is specified by setting 'upstream_node'.
+# upstream standby, specify that node's ID with 'upstream_node'. The node
-# In that case, the upstream node must exist before the new standby
+# must exist before the new standby can be registered. If a standby is
-# can be registered. If 'upstream_node' is not set, then the standby
+# to connect directly to a master node, this parameter is not required.
-# will connect directly to the primary node.
+#
-#upstream_node=1
+# upstream_node=1
 
-# use physical replication slots - PostgreSQL 9.4 and later only
+# physical replication slots - PostgreSQL 9.4 and later only
 # (default: 0)
-#use_replication_slots=0
+#
+# use_replication_slots=0
 
-# NOTE: 'max_replication_slots' should be configured for at least the
-# number of standbys which will connect to the primary.
 
 # Logging and monitoring settings
 # -------------------------------
 
 # Log level: possible values are DEBUG, INFO, NOTICE, WARNING, ERR, ALERT, CRIT or EMERG
 # (default: NOTICE)
-#loglevel=NOTICE
+loglevel=NOTICE
 
 # Logging facility: possible values are STDERR or - for Syslog integration - one of LOCAL0, LOCAL1, ..., LOCAL7, USER
 # (default: STDERR)
-#logfacility=STDERR
+logfacility=STDERR
 
 # stderr can be redirected to an arbitrary file:
 #
-#logfile='/var/log/repmgr/repmgr.log'
+# logfile='/var/log/repmgr.log'
 
 # event notifications can be passed to an arbitrary external program
 # together with the following parameters:
@@ -86,12 +69,12 @@
 # the values provided for "%t" and "%d" will probably contain spaces,
 # so should be quoted in the provided command configuration, e.g.:
 #
-#event_notification_command='/path/to/some/script %n %e %s "%t" "%d"'
+# event_notification_command='/path/to/some/script %n %e %s "%t" "%d"'
 
 # By default, all notifications will be passed; the notification types
 # can be filtered to explicitly named ones:
 #
-#event_notifications=master_register,standby_register,witness_create
+# event_notifications=master_register,standby_register,witness_create
 
 
 # Environment/command settings
@@ -99,17 +82,17 @@
 
 # path to PostgreSQL binary directory (location of pg_ctl, pg_basebackup etc.)
 # (if not provided, defaults to system $PATH)
-#pg_bindir=/usr/bin/
+# pg_bindir=/usr/bin/
 
 # external command options
 
-#rsync_options=--archive --checksum --compress --progress --rsh="ssh -o \"StrictHostKeyChecking no\""
+# rsync_options=--archive --checksum --compress --progress --rsh="ssh -o \"StrictHostKeyChecking no\""
-#ssh_options=-o "StrictHostKeyChecking no"
+# ssh_options=-o "StrictHostKeyChecking no"
 
-# external command arguments. Values shown are examples.
+# external command arguments
 
-#pg_ctl_options='-s'
+# pg_ctl_options='-s'
-#pg_basebackup_options='--xlog-method=s'
+# pg_basebackup_options='--xlog-method=s'
 
 
 # Standby clone settings
@@ -121,52 +104,34 @@
 #
 # tablespace_mapping=/path/to/original/tablespace=/path/to/new/tablespace
 
-# You can specify a restore_command to be used in the recovery.conf that
-# will be placed in the cloned standby
-#
-# restore_command = cp /path/to/archived/wals/%f %p
 
 # Failover settings (repmgrd)
 # ---------------------------
 #
-# These settings are only applied when repmgrd is running. Values shown
+# These settings are only applied when repmgrd is running.
-# are defaults.
 
-# Number of seconds to wait for a response from the primary server before
+# How many seconds we wait for master response before declaring master failure
-# deciding it has failed.
+master_response_timeout=60
 
-#master_response_timeout=60
+# How many time we try to reconnect to master before starting failover procedure
-
+reconnect_attempts=6
-# Number of attempts at what interval (in seconds) to try and
+reconnect_interval=10
-# connect to  a server to establish its status (e.g. master
-# during failover)
-#reconnect_attempts=6
-#reconnect_interval=10
 
 # Autofailover options
-#failover=manual    # one of 'automatic', 'manual' (default: manual)
+failover=automatic  # one of 'automatic', 'manual'
-                    # defines the action to take in the event of upstream failure
+priority=100        # a value of zero or less prevents the node being promoted to master
-                    #
+promote_command='repmgr standby promote -f /path/to/repmgr.conf'
-                    # 'automatic': repmgrd will automatically attempt to promote the
+follow_command='repmgr standby follow -f /path/to/repmgr.conf -W'
-                    #    node or follow the new upstream node
-                    # 'manual': repmgrd will take no action and the mode will require
-                    #    manual attention to reattach it to replication
 
-#priority=100       # indicate a preferred priorty for promoting nodes
+# monitoring interval; default is 2s
-                    # a value of zero or less prevents the node being promoted to primary
+#
-                    # (default: 100)
+# monitor_interval_secs=2
 
-#promote_command='repmgr standby promote -f /path/to/repmgr.conf'
+# change wait time for master; before we bail out and exit when the master
-#follow_command='repmgr standby follow -f /path/to/repmgr.conf -W'
-
-# monitoring interval in seconds; default is 2
-#monitor_interval_secs=2
-
-# change wait time for primary; before we bail out and exit when the primary
 # disappears, we wait 'reconnect_attempts' * 'retry_promote_interval_secs'
 # seconds; by default this would be half an hour, as 'retry_promote_interval_secs'
 # default value is 300)
-#retry_promote_interval_secs=300
+#
+# retry_promote_interval_secs=300
+
 
-# Number of seconds after which the witness server resyncs the repl_nodes table
-#witness_repl_nodes_sync_interval_secs=15

repmgr.h

@@ -1,6 +1,6 @@
 /*
  * repmgr.h
- * Copyright (c) 2ndQuadrant, 2010-2016
+ * Copyright (c) 2ndQuadrant, 2010-2015
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -28,15 +28,19 @@
 #include "dbutils.h"
 #include "errcode.h"
 #include "config.h"
-#include "dirmod.h"
 
 #define MIN_SUPPORTED_VERSION		"9.3"
 #define MIN_SUPPORTED_VERSION_NUM	90300
 
+#include "config.h"
+#define MAXFILENAME		1024
 #define ERRBUFF_SIZE	512
 
+#define DEFAULT_CONFIG_FILE		"./repmgr.conf"
 #define DEFAULT_WAL_KEEP_SEGMENTS	"5000"
 #define DEFAULT_DEST_DIR		"."
+#define DEFAULT_MASTER_PORT		"5432"
+#define DEFAULT_DBNAME			"postgres"
 #define DEFAULT_REPMGR_SCHEMA_PREFIX	"repmgr_"
 #define DEFAULT_PRIORITY		100
 #define FAILOVER_NODES_MAX_CHECK 50
@@ -45,17 +49,15 @@
 #define AUTOMATIC_FAILOVER	1
 #define NODE_NOT_FOUND      -1
 #define NO_UPSTREAM_NODE	-1
-#define UNKNOWN_NODE_ID     -1
 
-#define OPT_HELP                         1
+
-#define OPT_CHECK_UPSTREAM_CONFIG        2
+typedef enum {
-#define OPT_RECOVERY_MIN_APPLY_DELAY     3
+    UNKNOWN = 0,
-#define OPT_IGNORE_EXTERNAL_CONFIG_FILES 4
+	MASTER,
-#define OPT_CONFIG_ARCHIVE_DIR           5
+	STANDBY,
-#define OPT_PG_REWIND                    6
+	WITNESS
-#define OPT_PWPROMPT                     7
+} t_server_type;
-#define OPT_CSV                          8
+
-#define OPT_INITDB_NO_PWPROMPT           9
 
 
 /* Run time options type */
@@ -65,60 +67,44 @@ typedef struct
 	char		dbname[MAXLEN];
 	char		host[MAXLEN];
 	char		username[MAXLEN];
-	char		dest_dir[MAXPGPATH];
+	char		dest_dir[MAXFILENAME];
-	char		config_file[MAXPGPATH];
+	char		config_file[MAXFILENAME];
 	char		remote_user[MAXLEN];
 	char		superuser[MAXLEN];
 	char		wal_keep_segments[MAXLEN];
 	bool		verbose;
-	bool		terse;
 	bool		force;
 	bool		wait_for_master;
 	bool		ignore_rsync_warn;
-	bool		witness_pwprompt;
+	bool		initdb_no_pwprompt;
 	bool		rsync_only;
 	bool		fast_checkpoint;
 	bool		ignore_external_config_files;
-	bool		csv_mode;
 	char		masterport[MAXLEN];
-	/*
+	char		localport[MAXLEN];
-	 * configuration file parameters which can be overridden on the
-	 * command line
-	 */
-	char		loglevel[MAXLEN];
 
-	/* parameter used by STANDBY SWITCHOVER */
-	char		remote_config_file[MAXLEN];
-	char		pg_rewind[MAXPGPATH];
-	char		pg_ctl_mode[MAXLEN];
-	/* parameter used by STANDBY {ARCHIVE_CONFIG | RESTORE_CONFIG} */
-	char		config_archive_dir[MAXLEN];
 	/* parameter used by CLUSTER CLEANUP */
 	int			keep_history;
 
 	char		pg_bindir[MAXLEN];
 
 	char		recovery_min_apply_delay[MAXLEN];
-
-	/* deprecated command line options */
-	char            localport[MAXLEN];
 }	t_runtime_options;
 
-#define T_RUNTIME_OPTIONS_INITIALIZER { "", "", "", "", "", "", "", DEFAULT_WAL_KEEP_SEGMENTS, false, false, false, false, false, false, false, false, false, false, "", "", "", "", "fast", "", 0, "", "", ""}
+#define T_RUNTIME_OPTIONS_INITIALIZER { "", "", "", "", "", "", "", DEFAULT_WAL_KEEP_SEGMENTS, false, false, false, false, false, false, false, false, "", "", 0, "", "" }
-
-struct BackupLabel
-{
-	XLogRecPtr start_wal_location;
-	char start_wal_file[MAXLEN];
-	XLogRecPtr checkpoint_location;
-	char backup_from[MAXLEN];
-	char backup_method[MAXLEN];
-	char start_time[MAXLEN];
-	char label[MAXLEN];
-	XLogRecPtr min_failover_slot_lsn;
-};
 
 extern char		repmgr_schema[MAXLEN];
-extern bool		config_file_found;
+
+typedef struct ErrorListCell
+{
+	struct ErrorListCell *next;
+	char			     *error_message;
+} ErrorListCell;
+
+typedef struct ErrorList
+{
+	ErrorListCell *head;
+	ErrorListCell *tail;
+} ErrorList;
 
 #endif

repmgr.sql

@@ -1,7 +1,7 @@
 /*
  * repmgr.sql
  *
- * Copyright (C) 2ndQuadrant, 2010-2016
+ * Copyright (C) 2ndQuadrant, 2010-2015
  *
  */
 
@@ -59,12 +59,3 @@ WHERE (standby_node, last_monitor_time) IN (SELECT standby_node, MAX(last_monito
 ALTER VIEW repl_status OWNER TO repmgr;
 
 CREATE INDEX idx_repl_status_sort ON repl_monitor(last_monitor_time, standby_node);
-
-/*
- * This view shows the list of nodes with the information of which one is the upstream
- * in each case (when appliable)
- */
-CREATE VIEW repl_show_nodes AS 
-SELECT rn.id, rn.conninfo, rn.type, rn.name, rn.cluster,
-	rn.priority, rn.active, sq.name AS upstream_node_name
-FROM repl_nodes as rn LEFT JOIN repl_nodes AS sq ON sq.id=rn.upstream_node_id;

sql/Makefile

@@ -1,7 +1,7 @@
 #
 # Makefile
 #
-# Copyright (c) 2ndQuadrant, 2010-2016
+# Copyright (c) 2ndQuadrant, 2010-2015
 #
 
 MODULE_big = repmgr_funcs

sql/repmgr2_repmgr3.sql

@@ -63,15 +63,6 @@ UPDATE repl_nodes SET type = 'master' WHERE id = $master_id;
 
 -- UPDATE repl_nodes SET active = FALSE WHERE id IN (...);
 
-/* There's also an event table which we need to create */
-CREATE TABLE repl_events (
-  node_id          INTEGER NOT NULL,
-  event            TEXT NOT NULL,
-  successful       BOOLEAN NOT NULL DEFAULT TRUE,
-  event_timestamp  TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
-  details          TEXT NULL
-);
-
 /* When you're sure of your changes, commit them */
 
 -- COMMIT;

sql/repmgr3.0_repmgr3.1.sql

@@ -1,35 +0,0 @@
-/*
- * Update a repmgr 3.0 installation to repmgr 3.1
- * ----------------------------------------------
- *
- * The new repmgr package should be installed first. Then
- * carry out these steps:
- *
- *   1. (If repmgrd is used) stop any running repmgrd instances
- *   2. On the master node, execute the SQL statements listed below
- *   3. (If repmgrd is used) restart repmgrd
- */
-
-/*
- * If your repmgr installation is not included in your repmgr
- * user's search path, please set the search path to the name
- * of the repmgr schema to ensure objects are installed in
- * the correct location.
- *
- * The repmgr schema is  "repmgr_" + the cluster name defined in
- * 'repmgr.conf'.
- */
-
--- SET search_path TO 'name_of_repmgr_schema';
-
-BEGIN;
-
--- New view "repl_show_nodes" which also displays the server's
--- upstream node
-
-CREATE VIEW repl_show_nodes AS
-SELECT rn.id, rn.conninfo, rn.type, rn.name, rn.cluster,
-	rn.priority, rn.active, sq.name AS upstream_node_name
-FROM repl_nodes as rn LEFT JOIN repl_nodes AS sq ON sq.id=rn.upstream_node_id;
-
-COMMIT;

sql/repmgr3.1.1_repmgr3.1.2.sql

@@ -1,32 +0,0 @@
-/*
- * Update a repmgr 3.1.1 installation to repmgr 3.1.2
- * --------------------------------------------------
- *
- * This update is only required if repmgrd is being used in conjunction
- * with a witness server.
- *
- * The new repmgr package should be installed first. Then
- * carry out these steps:
- *
- *   1. (If repmgrd is used) stop any running repmgrd instances
- *   2. On the master node, execute the SQL statement listed below
- *   3. (If repmgrd is used) restart repmgrd
- */
-
-/*
- * If your repmgr installation is not included in your repmgr
- * user's search path, please set the search path to the name
- * of the repmgr schema to ensure objects are installed in
- * the correct location.
- *
- * The repmgr schema is  "repmgr_" + the cluster name defined in
- * 'repmgr.conf'.
- */
-
--- SET search_path TO 'name_of_repmgr_schema';
-
-BEGIN;
-
-ALTER TABLE repl_nodes DROP CONSTRAINT repl_nodes_upstream_node_id_fkey,
-      ADD CONSTRAINT repl_nodes_upstream_node_id_fkey FOREIGN KEY (upstream_node_id) REFERENCES repl_nodes(id) DEFERRABLE;
-COMMIT;

sql/repmgr_funcs.c

@@ -83,12 +83,7 @@ _PG_init(void)
 	 * resources in repmgr_shmem_startup().
 	 */
 	RequestAddinShmemSpace(repmgr_memsize());
-
-#if (PG_VERSION_NUM >= 90600)
-	RequestNamedLWLockTranche("repmgr", 1);
-#else
 	RequestAddinLWLocks(1);
-#endif
 
 	/*
 	 * Install hooks.
@@ -133,11 +128,7 @@ repmgr_shmem_startup(void)
 	if (!found)
 	{
 		/* First time through ... */
-#if (PG_VERSION_NUM >= 90600)
-		shared_state->lock = &(GetNamedLWLockTranche("repmgr"))->lock;
-#else
 		shared_state->lock = LWLockAssign();
-#endif
 		snprintf(shared_state->location,
 				 sizeof(shared_state->location), "%X/%X", 0, 0);
 	}

sql/repmgr_funcs.sql.in

@@ -1,6 +1,6 @@
 /*
  * repmgr_function.sql
- * Copyright (c) 2ndQuadrant, 2010-2016
+ * Copyright (c) 2ndQuadrant, 2010-2015
  *
  */
 

sql/uninstall_repmgr_funcs.sql

@@ -1,6 +1,6 @@
 /*
  * uninstall_repmgr_funcs.sql
- * Copyright (c) 2ndQuadrant, 2010-2016
+ * Copyright (c) 2ndQuadrant, 2010-2015
  *
  */
 

strutil.c

@@ -1,7 +1,7 @@
 /*
  * strutil.c
  *
- * Copyright (C) 2ndQuadrant, 2010-2016
+ * Copyright (C) 2ndQuadrant, 2010-2015
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

strutil.h

@@ -1,6 +1,6 @@
 /*
  * strutil.h
- * Copyright (C) 2ndQuadrant, 2010-2016
+ * Copyright (C) 2ndQuadrant, 2010-2015
  *
  *
  * This program is free software: you can redistribute it and/or modify
@@ -24,17 +24,12 @@
 #include <stdlib.h>
 #include "errcode.h"
 
-
 #define QUERY_STR_LEN	8192
 #define MAXLEN			1024
 #define MAXLINELENGTH	4096
 #define MAXVERSIONSTR	16
 #define MAXCONNINFO		1024
 
-/* Why? http://stackoverflow.com/a/5459929/398670 */
-#define STR(x) CppAsString(x)
-
-#define MAXLEN_STR STR(MAXLEN)
 
 extern int
 xsnprintf(char *str, size_t size, const char *format,...)

uninstall_repmgr.sql

@@ -1,7 +1,7 @@
 /*
  * uninstall_repmgr.sql
  *
- * Copyright (C) 2ndQuadrant, 2010-2016
+ * Copyright (C) 2ndQuadrant, 2010-2015
  *
  */
 

version.h

@@ -1,6 +1,6 @@
 #ifndef _VERSION_H_
 #define _VERSION_H_
 
-#define REPMGR_VERSION "3.1.5"
+#define REPMGR_VERSION "3.0.2"
 
 #endif