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28
HISTORY
28
HISTORY
@@ -1,10 +1,22 @@
|
||||
2.0.1 2014-07-16
|
||||
Documentation fixes and new QUICKSTART file (Ian)
|
||||
Explicitly specify directories to ignore when cloning (Ian)
|
||||
Fix log level for some log messages (Ian)
|
||||
RHEL/CentOS specfile, init script and Makefile fixes (Nathan Van Overloop)
|
||||
2.0.3 2015-04-16
|
||||
Add -S/--superuser option for witness database creation (Ian)
|
||||
Add -c/--fast-checkpoint option for cloning (Christoph)
|
||||
Add option "--initdb-no-pwprompt" (Ian)
|
||||
|
||||
2.0.2 2015-02-17
|
||||
Add "--checksum" in rsync when using "--force" (Jaime)
|
||||
Use createdb/createuser instead of psql (Jaime)
|
||||
Fixes to witness creation and monitoring (wamonite)
|
||||
Use default master port if none supplied (Martín)
|
||||
Documentation fixes and improvements (Ian)
|
||||
|
||||
2.0.1 2014-07-16
|
||||
Documentation fixes and new QUICKSTART file (Ian)
|
||||
Explicitly specify directories to ignore when cloning (Ian)
|
||||
Fix log level for some log messages (Ian)
|
||||
RHEL/CentOS specfile, init script and Makefile fixes (Nathan Van Overloop)
|
||||
Debian init script and config file documentation fixes (József Kószó)
|
||||
Typo fixes (Riegie Godwin Jeyaranchen, PriceChild)
|
||||
Typo fixes (Riegie Godwin Jeyaranchen, PriceChild)
|
||||
|
||||
2.0stable 2014-01-30
|
||||
Documentation fixes (Christian)
|
||||
@@ -25,7 +37,7 @@
|
||||
Add a ssh_options parameter (Jay Taylor)
|
||||
|
||||
2.0beta1 2012-07-27
|
||||
Make CLONE command try to make an exact copy including $PGDATA location (Cedric)
|
||||
Make CLONE command try to make an exact copy including $PGDATA location (Cedric)
|
||||
Add detection of master failure (Jaime)
|
||||
Add the notion of a witness server (Jaime)
|
||||
Add autofailover capabilities (Jaime)
|
||||
@@ -52,7 +64,7 @@
|
||||
1.1.0 2011-03-09
|
||||
Make options -U, -R and -p not mandatory (Jaime)
|
||||
|
||||
1.1.0b1 2011-02-24
|
||||
1.1.0b1 2011-02-24
|
||||
Fix missing "--force" option in help (Greg Smith)
|
||||
Correct warning message for wal_keep_segments (Bas van Oostveen)
|
||||
Add Debian build/usage docs (Bas, Hannu Krosing, Cedric Villemain)
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
repmgr: Quickstart guide
|
||||
========================
|
||||
|
||||
repmgr is an open-source tool suite for mananaging replication and failover
|
||||
`repmgr` is an open-source tool suite for mananaging replication and failover
|
||||
among multiple PostgreSQL server nodes. It enhances PostgreSQL's built-in
|
||||
hot-standby capabilities with a set of administration tools for monitoring
|
||||
replication, setting up standby servers and performing failover/switchover
|
||||
@@ -14,14 +14,14 @@ covering setup on a variety of different systems, see the README.rst file.
|
||||
Conceptual Overview
|
||||
-------------------
|
||||
|
||||
repmgr provides two binaries:
|
||||
`repmgr` provides two binaries:
|
||||
|
||||
- `repmgr`: a command-line client to manage replication and repmgr configuration
|
||||
- `repmgr`: a command-line client to manage replication and `repmgr` configuration
|
||||
- `repmgrd`: an optional daemon process which runs on standby nodes to monitor
|
||||
replication and node status
|
||||
|
||||
Each PostgreSQL node requires a repmgr configuration file; additionally
|
||||
it must be "registered" using the repmgr command-line client. repmgr stores
|
||||
Each PostgreSQL node requires a `repmgr.conf` configuration file; additionally
|
||||
it must be "registered" using the `repmgr` command-line client. `repmgr` stores
|
||||
information about managed nodes in a custom schema on the node's current master
|
||||
database.
|
||||
|
||||
@@ -29,31 +29,31 @@ database.
|
||||
Requirements
|
||||
------------
|
||||
|
||||
repmgr works with PostgreSQL 9.0 and later. All server nodes must be running the
|
||||
`repmgr` works with PostgreSQL 9.0 and later. All server nodes must be running the
|
||||
same PostgreSQL major version, and preferably should be running the same minor
|
||||
version.
|
||||
|
||||
repmgr will work on any Linux or UNIX-like environment capable of running
|
||||
`repmgr` will work on any Linux or UNIX-like environment capable of running
|
||||
PostgreSQL. `rsync` must also be installed.
|
||||
|
||||
|
||||
Installation
|
||||
------------
|
||||
|
||||
repmgr must be installed on each PostgreSQL server node.
|
||||
`repmgr` must be installed on each PostgreSQL server node.
|
||||
|
||||
* Packages
|
||||
- RPM packages for RedHat-based distributions are available from PGDG
|
||||
- Debian/Ubuntu provide .deb packages.
|
||||
|
||||
It is also possible to build .deb packages directly from the repmgr source;
|
||||
It is also possible to build .deb packages directly from the `repmgr` source;
|
||||
see README.rst for further details.
|
||||
|
||||
* Source installation
|
||||
- repmgr source code is hosted at github (https://github.com/2ndQuadrant/repmgr);
|
||||
- `repmgr` source code is hosted at github (https://github.com/2ndQuadrant/repmgr);
|
||||
tar.gz files can be downloaded from https://github.com/2ndQuadrant/repmgr/releases .
|
||||
|
||||
repmgr can be built easily using PGXS:
|
||||
`repmgr` can be built easily using PGXS:
|
||||
|
||||
sudo make USE_PGXS=1 install
|
||||
|
||||
@@ -64,7 +64,7 @@ Configuration
|
||||
### Server configuration
|
||||
|
||||
Password-less SSH logins must be enabled for the database system user (typically `postgres`)
|
||||
between all server nodes to enable repmgr to copy required files.
|
||||
between all server nodes to enable `repmgr` to copy required files.
|
||||
|
||||
### PostgreSQL configuration
|
||||
|
||||
@@ -78,18 +78,21 @@ following settings:
|
||||
wal_keep_segments = 5000 # in logfile segments, 16MB each; 0 disables
|
||||
hot_standby = on # "on" allows queries during recovery
|
||||
|
||||
Note that repmgr expects a default of 5000 wal_keep_segments, although this
|
||||
Note that `repmgr` expects a default of 5000 wal_keep_segments, although this
|
||||
value can be overridden when executing the `repmgr` client.
|
||||
|
||||
Additionally, repmgr requires a dedicated PostgreSQL superuser account
|
||||
and a database in which to store monitoring and replication data. The
|
||||
database can in principle be any database, including the default postgres
|
||||
one, however it's probably advisable to create a dedicated repmgr database.
|
||||
Additionally, `repmgr` requires a dedicated PostgreSQL superuser account
|
||||
and a database in which to store monitoring and replication data. The `repmgr`
|
||||
user account will also be used for replication connections from the standby,
|
||||
so a seperate replication user with the `REPLICATION` privilege is not required.
|
||||
The database can in principle be any database, including the default `postgres`
|
||||
one, however it's probably advisable to create a dedicated database for `repmgr`
|
||||
usage.
|
||||
|
||||
|
||||
### repmgr configuration
|
||||
|
||||
Each PostgreSQL node requires a repmgr configuration file containing
|
||||
Each PostgreSQL node requires a `repmgr.conf` configuration file containing
|
||||
identification and database connection information:
|
||||
|
||||
cluster=test
|
||||
@@ -108,11 +111,14 @@ identification and database connection information:
|
||||
* `pg_bindir`: (optional) location of PostgreSQL binaries, if not in the default $PATH
|
||||
|
||||
Note that the configuration file should *not* be stored inside the PostgreSQL
|
||||
data directory.
|
||||
data directory. The configuration file can be specified with the
|
||||
`-f, --config-file=PATH` option and can have any arbitrary name. If no
|
||||
configuration file is specified, `repmgr` will search for `repmgr.conf`
|
||||
in the current working directory.
|
||||
|
||||
Each node configuration needs to be registered with repmgr, either using the
|
||||
Each node configuration needs to be registered with `repmgr`, either using the
|
||||
`repmgr` command line tool, or the `repmgrd` daemon; for details see below. Details
|
||||
about each node are inserted into the repmgr database (for details see below).
|
||||
about each node are inserted into the `repmgr` database (for details see below).
|
||||
|
||||
|
||||
Replication setup and monitoring
|
||||
@@ -138,17 +144,17 @@ Master setup
|
||||
CREATE DATABASE repmgr_db OWNER repmgr_usr;
|
||||
```
|
||||
|
||||
- configure postgresql.conf for replication (see above)
|
||||
- configure `postgresql.conf` for replication (see above)
|
||||
|
||||
- update pg_hba.conf:
|
||||
- update `pg_hba.conf`, e.g.:
|
||||
|
||||
```
|
||||
host repmgr_usr repmgr_db 192.168.1.0/24 trust
|
||||
host replication all 192.168.1.0/24 trust
|
||||
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:
|
||||
Restart the PostgreSQL server after making these changes.
|
||||
2. Create the `repmgr` configuration file:
|
||||
|
||||
$ cat $HOME/repmgr/repmgr.conf
|
||||
cluster=test
|
||||
@@ -157,7 +163,10 @@ Master setup
|
||||
conninfo='host=repmgr_node1 user=repmgr_usr dbname=repmgr_db'
|
||||
pg_bindir=/path/to/postgres/bin
|
||||
|
||||
3. Register the master node with repmgr:
|
||||
(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 $HOME/repmgr/repmgr.conf --verbose master register
|
||||
[2014-07-04 10:43:42] [INFO] repmgr mgr connecting to master database
|
||||
@@ -169,9 +178,9 @@ Master setup
|
||||
Slave/standby setup
|
||||
-------------------
|
||||
|
||||
1. Use repmgr to clone the master:
|
||||
1. Use `repmgr` to clone the master:
|
||||
|
||||
$ repmgr -f $HOME/repmgr/repmgr.conf -D $PGDATA -d repmgr_db -U repmgr_usr -R postgres --verbose standby clone 192.168.1.2
|
||||
$ repmgr -D $PGDATA -d repmgr_db -U repmgr_usr -R postgres --verbose standby clone 192.168.1.2
|
||||
Opening configuration file: ./repmgr.conf
|
||||
[2014-07-04 10:49:00] [ERROR] Did not find the configuration file './repmgr.conf', continuing
|
||||
[2014-07-04 10:49:00] [INFO] repmgr connecting to master database
|
||||
@@ -190,12 +199,14 @@ Slave/standby setup
|
||||
-R is the database system user on the master node. At this point it does not matter
|
||||
if the `repmgr.conf` file is not found.
|
||||
|
||||
This will clone the PostgreSQL database files from the master, and additionally
|
||||
create an appropriate `recovery.conf` file.
|
||||
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:
|
||||
3. Create the `repmgr` configuration file:
|
||||
|
||||
$ cat $HOME/repmgr/repmgr.conf
|
||||
cluster=test
|
||||
@@ -204,7 +215,7 @@ Slave/standby setup
|
||||
conninfo='host=repmgr_node2 user=repmgr_usr dbname=repmgr_db'
|
||||
pg_bindir=/path/to/postgres/bin
|
||||
|
||||
4. Register the master node with repmgr:
|
||||
4. Register the master node with `repmgr`:
|
||||
|
||||
$ repmgr -f $HOME/repmgr/repmgr.conf --verbose standby register
|
||||
Opening configuration file: /path/to/repmgr/repmgr.conf
|
||||
@@ -253,8 +264,8 @@ To promote a standby to master, on the standby execute e.g.:
|
||||
|
||||
repmgr -f $HOME/repmgr/repmgr.conf --verbose standby promote
|
||||
|
||||
repmgr will attempt to connect to the current master to verify that it
|
||||
is not available (if it is, repmgr will not promote the standby).
|
||||
`repmgr` will attempt to connect to the current master to verify that it
|
||||
is not available (if it is, `repmgr` will not promote the standby).
|
||||
|
||||
Other standby servers need to be told to follow the new master with:
|
||||
|
||||
@@ -267,7 +278,7 @@ automated failover.
|
||||
repmgr database schema
|
||||
----------------------
|
||||
|
||||
repmgr creates a small schema for its own use in the database specified in
|
||||
`repmgr` creates a small schema for its own use in the database specified in
|
||||
each node's conninfo configuration parameter. This database can in principle
|
||||
be any database. The schema name is the global `cluster` name prefixed
|
||||
with `repmgr_`, so for the example setup above the schema name is
|
||||
@@ -284,3 +295,10 @@ and one view, `repl_status`, which summarizes the latest monitoring information
|
||||
for each node.
|
||||
|
||||
|
||||
Further reading
|
||||
---------------
|
||||
|
||||
* http://blog.2ndquadrant.com/announcing-repmgr-2-0/
|
||||
* http://blog.2ndquadrant.com/managing-useful-clusters-repmgr/
|
||||
* http://blog.2ndquadrant.com/easier_postgresql_90_clusters/
|
||||
|
||||
|
||||
@@ -427,7 +427,7 @@ system you already have superuser access to.
|
||||
Clearing the PostgreSQL installation on the Standby
|
||||
---------------------------------------------------
|
||||
|
||||
To setup a new streaming replica, startin by removing any PostgreSQL
|
||||
To setup a new streaming replica, start by removing any PostgreSQL
|
||||
installation on the existing standby nodes.
|
||||
|
||||
* Stop any server on "node2" and "node3". You can confirm the database
|
||||
|
||||
@@ -4,7 +4,7 @@ Version: 2.0
|
||||
Release: 2
|
||||
License: GPLv3
|
||||
Group: System Environment/Daemons
|
||||
URL: http://repmgr.org
|
||||
URL: http://repmgr.org
|
||||
Packager: Nathan Van Overloop <nathan.van.overloop@nexperteam.be>
|
||||
Vendor: 2ndQuadrant Limited
|
||||
Distribution: centos
|
||||
@@ -32,7 +32,7 @@ export PATH=$PATH:/usr/pgsql-9.3/bin/
|
||||
|
||||
%clean
|
||||
[ "%{buildroot}" != "/" ] && %{__rm} -rf %{buildroot}
|
||||
|
||||
|
||||
|
||||
%files
|
||||
%defattr(-,root,root)
|
||||
@@ -45,7 +45,7 @@ export PATH=$PATH:/usr/pgsql-9.3/bin/
|
||||
/usr/pgsql-9.3/share/contrib/repmgr_funcs.sql
|
||||
/usr/pgsql-9.3/share/contrib/uninstall_repmgr.sql
|
||||
/usr/pgsql-9.3/share/contrib/uninstall_repmgr_funcs.sql
|
||||
%attr(0755,root,root)/etc/init.d/repmgrd
|
||||
%attr(0755,root,root)/etc/init.d/repmgrd
|
||||
%attr(0644,root,root)/etc/sysconfig/repmgrd
|
||||
%attr(0644,root,root)/etc/repmgr/repmgr.conf.sample
|
||||
|
||||
@@ -54,4 +54,3 @@ export PATH=$PATH:/usr/pgsql-9.3/bin/
|
||||
- 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
|
||||
|
||||
|
||||
@@ -1,89 +1,114 @@
|
||||
#!/bin/bash
|
||||
#!/bin/sh
|
||||
#
|
||||
# repmgrd Start up the repmgrd daemon
|
||||
# repmrgd (replication manager daemon)
|
||||
#
|
||||
# chkconfig: - 75 16
|
||||
# description: repmgrd is the repliation manager daemon \
|
||||
# The repmgrd replication management and monitoring daemon for PostgreSQL.
|
||||
|
||||
### BEGIN INIT INFO
|
||||
# Provides: repmgrd
|
||||
# Required-Start: $local_fs $remote_fs $network $syslog postgresql
|
||||
# Required-Stop: $local_fs $remote_fs $network $syslog postgresql
|
||||
# Should-Start: $syslog postgresql-9.3
|
||||
# Should-Stop: $syslog postgresql-9.3
|
||||
# Short-Description: start and stop repmrgd
|
||||
# Description: Enable repmgrd replication management and monitoring daemon for PostgreSQL
|
||||
# this is used to monitor a postgresql cluster.
|
||||
### END INIT INFO
|
||||
# chkconfig: - 75 16
|
||||
# description: Enable repmgrd replication management and monitoring daemon for PostgreSQL
|
||||
# processname: repmgrd
|
||||
# pidfile="/var/run/${NAME}.pid"
|
||||
|
||||
# Source function library.
|
||||
. /etc/init.d/functions
|
||||
INITD=/etc/rc.d/init.d
|
||||
. $INITD/functions
|
||||
|
||||
# Source networking configuration.
|
||||
# Get function listing for cross-distribution logic.
|
||||
TYPESET=`typeset -f|grep "declare"`
|
||||
|
||||
# Get network config.
|
||||
. /etc/sysconfig/network
|
||||
|
||||
prog=repmgrd
|
||||
REPMGRD_ENABLED=yes
|
||||
DESC="PostgreSQL replication management and monitoring daemon"
|
||||
NAME=repmgrd
|
||||
|
||||
REPMGRD_ENABLED=no
|
||||
REPMGRD_OPTS=
|
||||
REPMGRD_USER=postgres
|
||||
DAEMONIZE="-d"
|
||||
REPMGRD_BIN=/usr/pgsql-9.3/bin/repmgrd
|
||||
REPMGRD_PIDFILE=/var/run/repmgrd.pid
|
||||
REPMGRD_LOCK=/var/lock/subsys/${NAME}
|
||||
REPMGRD_LOG=/var/lib/pgsql/9.3/data/pg_log/repmgrd.log
|
||||
|
||||
# pull in sysconfig settings
|
||||
[ -f /etc/sysconfig/repmgrd ] && . /etc/sysconfig/repmgrd
|
||||
# Read configuration variable file if it is present
|
||||
[ -r /etc/sysconfig/$NAME ] && . /etc/sysconfig/$NAME
|
||||
|
||||
LOCKFILE=/var/lock/subsys/$prog
|
||||
RETVAL=0
|
||||
# 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]*)
|
||||
#nothing to do here
|
||||
break
|
||||
;;
|
||||
*)
|
||||
exit 2
|
||||
exit 0
|
||||
;;
|
||||
esac
|
||||
|
||||
|
||||
if [ -z "$REPMGRD_OPTS" ]
|
||||
if [ -z "${REPMGRD_OPTS}" ]
|
||||
then
|
||||
echo "Not starting $prog, REPMGRD_OPTS not set in /etc/sysconfig/$prog"
|
||||
exit 2
|
||||
echo "Not starting ${NAME}, REPMGRD_OPTS not set in /etc/sysconfig/${NAME}"
|
||||
exit 0
|
||||
fi
|
||||
|
||||
start() {
|
||||
[ "$EUID" != "0" ] && exit 4
|
||||
[ "$NETWORKING" = "no" ] && exit 1
|
||||
start()
|
||||
{
|
||||
REPMGRD_START=$"Starting ${NAME} service: "
|
||||
|
||||
# Start daemons.
|
||||
echo -n $"Starting $prog: "
|
||||
daemon --user $REPMGRD_USER $prog $DAEMONIZE $REPMGRD_OPTS
|
||||
RETVAL=$?
|
||||
# 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
|
||||
[ $RETVAL -eq 0 ] && touch $LOCKFILE
|
||||
return $RETVAL
|
||||
else
|
||||
failure "${REPMGRD_START}"
|
||||
echo
|
||||
script_result=1
|
||||
fi
|
||||
}
|
||||
|
||||
stop() {
|
||||
[ "$EUID" != "0" ] && exit 4
|
||||
echo -n $"Shutting down $prog: "
|
||||
killproc $prog
|
||||
RETVAL=$?
|
||||
echo
|
||||
[ $RETVAL -eq 0 ] && rm -f $LOCKFILE
|
||||
return $RETVAL
|
||||
}
|
||||
status() {
|
||||
if [ -f "$LOCKFILE" ]; then
|
||||
echo "$prog is running"
|
||||
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 "${REPMGRD_LOCK}"
|
||||
else
|
||||
RETVAL=3
|
||||
echo "$prog is stopped"
|
||||
echo_failure
|
||||
script_result=1
|
||||
fi
|
||||
return $RETVAL
|
||||
else
|
||||
# not running; per LSB standards this is "ok"
|
||||
echo_success
|
||||
fi
|
||||
echo
|
||||
}
|
||||
|
||||
|
||||
# See how we were called.
|
||||
case "$1" in
|
||||
start)
|
||||
@@ -93,22 +118,16 @@ case "$1" in
|
||||
stop
|
||||
;;
|
||||
status)
|
||||
status $prog
|
||||
status -p $REPMGRD_PIDFILE $NAME
|
||||
script_result=$?
|
||||
;;
|
||||
restart|force-reload)
|
||||
restart)
|
||||
stop
|
||||
start
|
||||
;;
|
||||
try-restart|condrestart)
|
||||
if status $prog > /dev/null; then
|
||||
stop
|
||||
start
|
||||
fi
|
||||
;;
|
||||
reload)
|
||||
exit 3
|
||||
start
|
||||
;;
|
||||
*)
|
||||
echo $"Usage: $0 {start|stop|status|restart|try-restart|force-reload}"
|
||||
echo $"Usage: $0 {start|stop|status|restart}"
|
||||
exit 2
|
||||
esac
|
||||
|
||||
exit $script_result
|
||||
|
||||
@@ -1,4 +1,21 @@
|
||||
#default sysconfig file for repmrgd
|
||||
#custom overrides can be placed here
|
||||
# default settings for repmgrd. This file is source by /bin/sh from
|
||||
# /etc/init.d/repmgrd
|
||||
|
||||
REPMGRD_OPTS="-f /etc/repmgr/repmgr.conf"
|
||||
# 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/repmgr
|
||||
|
||||
# pid file
|
||||
#REPMGRD_PIDFILE=/var/lib/pgsql/repmgr/repmgrd.pid
|
||||
|
||||
# log file
|
||||
#REPMGRD_LOG=/var/lib/pgsql/repmgr/repmgrd.log
|
||||
|
||||
@@ -25,7 +25,8 @@
|
||||
#include <string.h>
|
||||
|
||||
/* NB: postgres_fe must be included BEFORE check_dir */
|
||||
#include "postgres_fe.h"
|
||||
#include <libpq-fe.h>
|
||||
#include <postgres_fe.h>
|
||||
#include "check_dir.h"
|
||||
|
||||
#include "strutil.h"
|
||||
|
||||
4
config.c
4
config.c
@@ -185,6 +185,10 @@ trim(char *s)
|
||||
char *s1 = s,
|
||||
*s2 = &s[strlen(s) - 1];
|
||||
|
||||
/* If string is empty, no action needed */
|
||||
if(s2 < s1)
|
||||
return s;
|
||||
|
||||
/* Trim and delimit right side */
|
||||
while ((isspace(*s2)) && (s2 >= s1))
|
||||
--s2;
|
||||
|
||||
2
debian/DEBIAN/control
vendored
2
debian/DEBIAN/control
vendored
@@ -3,7 +3,7 @@ Version: 2.0beta2
|
||||
Section: database
|
||||
Priority: optional
|
||||
Architecture: all
|
||||
Depends: rsync, postgresql-9.0 | postgresql-9.1 | postgresql-9.2 | postgresql-9.3
|
||||
Depends: rsync, postgresql-9.0 | postgresql-9.1 | postgresql-9.2 | postgresql-9.3 | postgresql-9.4
|
||||
Maintainer: Jaime Casanova <jaime@2ndQuadrant.com>
|
||||
Description: PostgreSQL replication setup, magament and monitoring
|
||||
has two main executables
|
||||
|
||||
6
log.h
6
log.h
@@ -25,9 +25,15 @@
|
||||
#define REPMGR_SYSLOG 1
|
||||
#define REPMGR_STDERR 2
|
||||
|
||||
#if (PG_VERSION_NUM >= 90100)
|
||||
void
|
||||
stderr_log_with_level(const char *level_name, int level, const char *fmt,...)
|
||||
__attribute__((format(PG_PRINTF_ATTRIBUTE, 3, 4)));
|
||||
#else
|
||||
void
|
||||
stderr_log_with_level(const char *level_name, int level, const char *fmt,...)
|
||||
__attribute__((format(printf, 3, 4)));
|
||||
#endif
|
||||
|
||||
/* Standard error logging */
|
||||
#define stderr_log_debug(...) stderr_log_with_level("DEBUG", LOG_DEBUG, __VA_ARGS__)
|
||||
|
||||
253
repmgr.c
253
repmgr.c
@@ -100,6 +100,7 @@ main(int argc, char **argv)
|
||||
{"host", required_argument, NULL, 'h'},
|
||||
{"port", required_argument, NULL, 'p'},
|
||||
{"username", required_argument, NULL, 'U'},
|
||||
{"superuser", required_argument, NULL, 'S'},
|
||||
{"dest-dir", required_argument, NULL, 'D'},
|
||||
{"local-port", required_argument, NULL, 'l'},
|
||||
{"config-file", required_argument, NULL, 'f'},
|
||||
@@ -109,15 +110,15 @@ main(int argc, char **argv)
|
||||
{"force", no_argument, NULL, 'F'},
|
||||
{"wait", no_argument, NULL, 'W'},
|
||||
{"ignore-rsync-warning", no_argument, NULL, 'I'},
|
||||
{"min-recovery-apply-delay", required_argument, NULL, 'r'},
|
||||
{"verbose", no_argument, NULL, 'v'},
|
||||
{"fast-checkpoint", no_argument, NULL, 'c'},
|
||||
{"initdb-no-pwprompt", no_argument, NULL, 1},
|
||||
{NULL, 0, NULL, 0}
|
||||
};
|
||||
|
||||
int optindex;
|
||||
int c, targ;
|
||||
int c;
|
||||
int action = NO_ACTION;
|
||||
char *ptr = NULL;
|
||||
|
||||
progname = get_progname(argv[0]);
|
||||
|
||||
@@ -136,7 +137,7 @@ main(int argc, char **argv)
|
||||
}
|
||||
|
||||
|
||||
while ((c = getopt_long(argc, argv, "d:h:p:U:D:l:f:R:w:k:FWIvr:", long_options,
|
||||
while ((c = getopt_long(argc, argv, "d:h:p:U:S:D:l:f:R:w:k:FWIvc", long_options,
|
||||
&optindex)) != -1)
|
||||
{
|
||||
switch (c)
|
||||
@@ -154,6 +155,9 @@ main(int argc, char **argv)
|
||||
case 'U':
|
||||
strncpy(runtime_options.username, optarg, MAXLEN);
|
||||
break;
|
||||
case 'S':
|
||||
strncpy(runtime_options.superuser, optarg, MAXLEN);
|
||||
break;
|
||||
case 'D':
|
||||
strncpy(runtime_options.dest_dir, optarg, MAXFILENAME);
|
||||
break;
|
||||
@@ -186,28 +190,15 @@ main(int argc, char **argv)
|
||||
case 'I':
|
||||
runtime_options.ignore_rsync_warn = true;
|
||||
break;
|
||||
case 'r':
|
||||
targ = strtol(optarg, &ptr, 10);
|
||||
|
||||
if(targ < 0) {
|
||||
usage();
|
||||
exit(ERR_BAD_CONFIG);
|
||||
}
|
||||
if(ptr && *ptr) {
|
||||
if(strcmp(ptr, "ms") != 0 && strcmp(ptr, "s") != 0 &&
|
||||
strcmp(ptr, "min") != 0 && strcmp(ptr, "h") != 0 &&
|
||||
strcmp(ptr, "d") != 0)
|
||||
{
|
||||
usage();
|
||||
exit(ERR_BAD_CONFIG);
|
||||
}
|
||||
}
|
||||
|
||||
strncpy(runtime_options.min_recovery_apply_delay, optarg, MAXLEN);
|
||||
break;
|
||||
case 'v':
|
||||
runtime_options.verbose = true;
|
||||
break;
|
||||
case 'c':
|
||||
runtime_options.fast_checkpoint = true;
|
||||
break;
|
||||
case 1:
|
||||
runtime_options.initdb_no_pwprompt = true;
|
||||
break;
|
||||
default:
|
||||
usage();
|
||||
exit(ERR_BAD_CONFIG);
|
||||
@@ -309,6 +300,12 @@ main(int argc, char **argv)
|
||||
strncpy(runtime_options.dbname, DEFAULT_DBNAME, MAXLEN);
|
||||
}
|
||||
|
||||
/* We check that port number is not null */
|
||||
if (!runtime_options.masterport[0])
|
||||
{
|
||||
strncpy(runtime_options.masterport, DEFAULT_MASTER_PORT, MAXLEN);
|
||||
}
|
||||
|
||||
/* Read the configuration file, normally repmgr.conf */
|
||||
if (!runtime_options.config_file[0])
|
||||
strncpy(runtime_options.config_file, DEFAULT_CONFIG_FILE, MAXLEN);
|
||||
@@ -827,7 +824,7 @@ do_standby_clone(void)
|
||||
|
||||
int r = 0,
|
||||
retval = SUCCESS;
|
||||
int i,
|
||||
int i,j,
|
||||
is_standby_retval;
|
||||
bool flag_success = false;
|
||||
bool test_mode = false;
|
||||
@@ -905,11 +902,30 @@ do_standby_clone(void)
|
||||
i = guc_set(conn, "wal_level", "=", "hot_standby");
|
||||
if (i == 0 || i == -1)
|
||||
{
|
||||
PQfinish(conn);
|
||||
if (i == 0)
|
||||
log_err(_("%s needs parameter 'wal_level' to be set to 'hot_standby'\n"),
|
||||
progname);
|
||||
exit(ERR_BAD_CONFIG);
|
||||
{
|
||||
/* We could be using PG 9.4 with log_level logical, which is good enough for
|
||||
hot standby replication.
|
||||
We should check if the wal_level is set to that value, in which case we are
|
||||
good to proceed.
|
||||
No need to check if we are in 9.4 first, as the query used in guc_set will just
|
||||
return zero rows if on < 9.4, and so will work anyway.
|
||||
*/
|
||||
j = guc_set(conn, "wal_level", "=", "logical");
|
||||
if (j == 0 || j == -1)
|
||||
{
|
||||
PQfinish(conn);
|
||||
if (j == 0)
|
||||
log_err(_("%s needs parameter 'wal_level' to be set to at least 'hot_standby'\n"),
|
||||
progname);
|
||||
exit(ERR_BAD_CONFIG);
|
||||
}
|
||||
}
|
||||
else if (i == -1)
|
||||
{
|
||||
PQfinish(conn);
|
||||
exit(ERR_BAD_CONFIG);
|
||||
}
|
||||
}
|
||||
|
||||
i = guc_set_typed(conn, "wal_keep_segments", ">=",
|
||||
@@ -1102,8 +1118,9 @@ do_standby_clone(void)
|
||||
*/
|
||||
sqlquery_snprintf(
|
||||
sqlquery,
|
||||
"SELECT pg_xlogfile_name(pg_start_backup('repmgr_standby_clone_%ld'))",
|
||||
time(NULL));
|
||||
"SELECT pg_xlogfile_name(pg_start_backup('repmgr_standby_clone_%ld', %s))",
|
||||
time(NULL),
|
||||
runtime_options.fast_checkpoint ? "TRUE" : "FALSE");
|
||||
log_debug(_("standby clone: %s\n"), sqlquery);
|
||||
res = PQexec(conn, sqlquery);
|
||||
if (PQresultStatus(res) != PGRES_TUPLES_OK)
|
||||
@@ -1703,8 +1720,13 @@ do_witness_create(void)
|
||||
*/
|
||||
|
||||
/* Create the cluster for witness */
|
||||
sprintf(script, "%s/pg_ctl %s -D %s init -o \"-W\"", options.pg_bindir,
|
||||
options.pgctl_options, runtime_options.dest_dir);
|
||||
if (!runtime_options.superuser[0])
|
||||
strncpy(runtime_options.superuser, "postgres", MAXLEN);
|
||||
|
||||
sprintf(script, "%s/pg_ctl %s -D %s init -o \"%s-U %s\"", options.pg_bindir,
|
||||
options.pgctl_options, runtime_options.dest_dir,
|
||||
runtime_options.initdb_no_pwprompt ? "" : "-W ",
|
||||
runtime_options.superuser);
|
||||
log_info("Initialize cluster for witness: %s.\n", script);
|
||||
|
||||
r = system(script);
|
||||
@@ -1745,6 +1767,53 @@ do_witness_create(void)
|
||||
|
||||
fclose(pg_conf);
|
||||
|
||||
|
||||
/* start new instance */
|
||||
sprintf(script, "%s/pg_ctl %s -w -D %s start", options.pg_bindir,
|
||||
options.pgctl_options, runtime_options.dest_dir);
|
||||
log_info(_("Start cluster for witness: %s"), script);
|
||||
r = system(script);
|
||||
if (r != 0)
|
||||
{
|
||||
log_err(_("Can't start cluster for witness server\n"));
|
||||
PQfinish(masterconn);
|
||||
exit(ERR_BAD_CONFIG);
|
||||
}
|
||||
|
||||
/* check if we need to create a user */
|
||||
if (runtime_options.username[0] && runtime_options.localport[0] && strcmp(runtime_options.username,"postgres")!=0 )
|
||||
{
|
||||
/* create required user needs to be superuser to create untrusted language function in c */
|
||||
sprintf(script, "%s/createuser -p %s --superuser --login -U %s %s", options.pg_bindir,
|
||||
runtime_options.localport, runtime_options.superuser, runtime_options.username);
|
||||
log_info("Create user for witness db: %s.\n", script);
|
||||
|
||||
r = system(script);
|
||||
if (r != 0)
|
||||
{
|
||||
log_err("Can't create user for witness server\n");
|
||||
PQfinish(masterconn);
|
||||
exit(ERR_BAD_CONFIG);
|
||||
}
|
||||
}
|
||||
|
||||
/* check if we need to create a database */
|
||||
if(runtime_options.dbname[0] && strcmp(runtime_options.dbname,"postgres")!=0 && runtime_options.localport[0])
|
||||
{
|
||||
/* create required db */
|
||||
sprintf(script, "%s/createdb -p %s -U %s --owner=%s %s",
|
||||
options.pg_bindir, runtime_options.localport, runtime_options.superuser, runtime_options.username, runtime_options.dbname);
|
||||
log_info("Create database for witness db: %s.\n", script);
|
||||
|
||||
r = system(script);
|
||||
if (r != 0)
|
||||
{
|
||||
log_err("Can't create database for witness server\n");
|
||||
PQfinish(masterconn);
|
||||
exit(ERR_BAD_CONFIG);
|
||||
}
|
||||
}
|
||||
|
||||
/* Get the pg_hba.conf full path */
|
||||
sqlquery_snprintf(sqlquery, "SELECT name, setting "
|
||||
" FROM pg_settings "
|
||||
@@ -1778,18 +1847,19 @@ do_witness_create(void)
|
||||
exit(ERR_BAD_CONFIG);
|
||||
}
|
||||
|
||||
/* start new instance */
|
||||
sprintf(script, "%s/pg_ctl %s -w -D %s start", options.pg_bindir,
|
||||
/* reload to adapt for changed pg_hba.conf */
|
||||
sprintf(script, "%s/pg_ctl %s -w -D %s reload", options.pg_bindir,
|
||||
options.pgctl_options, runtime_options.dest_dir);
|
||||
log_info(_("Start cluster for witness: %s"), script);
|
||||
log_info(_("Reload cluster config for witness: %s"), script);
|
||||
r = system(script);
|
||||
if (r != 0)
|
||||
{
|
||||
log_err(_("Can't start cluster for witness server\n"));
|
||||
log_err(_("Can't reload cluster for witness server\n"));
|
||||
PQfinish(masterconn);
|
||||
exit(ERR_BAD_CONFIG);
|
||||
}
|
||||
|
||||
|
||||
/* register ourselves in the master */
|
||||
sqlquery_snprintf(sqlquery, "INSERT INTO %s.repl_nodes(id, cluster, name, conninfo, priority, witness) "
|
||||
"VALUES (%d, '%s', '%s', '%s', %d, true)",
|
||||
@@ -1825,6 +1895,24 @@ do_witness_create(void)
|
||||
PQfinish(witnessconn);
|
||||
exit(ERR_BAD_CONFIG);
|
||||
}
|
||||
|
||||
/* drop superuser powers if needed */
|
||||
if (runtime_options.username[0] && runtime_options.localport[0] && strcmp(runtime_options.username,"postgres")!=0 )
|
||||
{
|
||||
sqlquery_snprintf(sqlquery, "ALTER ROLE %s NOSUPERUSER", runtime_options.username);
|
||||
log_info("Drop superuser powers on user for witness db: %s.\n", sqlquery);
|
||||
|
||||
log_debug(_("witness create: %s"), sqlquery);
|
||||
res = PQexec(witnessconn, sqlquery);
|
||||
if (!res || PQresultStatus(res) != PGRES_COMMAND_OK)
|
||||
{
|
||||
log_err(_("Cannot alter user privileges, %s\n"),
|
||||
PQerrorMessage(witnessconn));
|
||||
PQfinish(masterconn);
|
||||
PQfinish(witnessconn);
|
||||
exit(ERR_DB_QUERY);
|
||||
}
|
||||
}
|
||||
PQfinish(masterconn);
|
||||
PQfinish(witnessconn);
|
||||
|
||||
@@ -1866,6 +1954,8 @@ help(const char *progname)
|
||||
printf(_(" -l, --local-port=PORT standby or witness server local port\n"));
|
||||
printf(_(" -f, --config-file=PATH path to the configuration file\n"));
|
||||
printf(_(" -R, --remote-user=USERNAME database server username for rsync\n"));
|
||||
printf(_(" -S, --superuser=USERNAME superuser username for witness database\n" \
|
||||
" (default: postgres)\n"));
|
||||
printf(_(" -w, --wal-keep-segments=VALUE minimum value for the GUC\n" \
|
||||
" wal_keep_segments (default: 5000)\n"));
|
||||
printf(_(" -I, --ignore-rsync-warning ignore rsync partial transfer warning\n"));
|
||||
@@ -1874,8 +1964,8 @@ help(const char *progname)
|
||||
printf(_(" -F, --force force potentially dangerous operations\n" \
|
||||
" to happen\n"));
|
||||
printf(_(" -W, --wait wait for a master to appear\n"));
|
||||
printf(_(" -r, --min-recovery-apply-delay=VALUE enable recovery time delay, value has to be a valid time atom (e.g. 5min)"));
|
||||
|
||||
printf(_(" -c, --fast-checkpoint force fast checkpoint when cloning a standby\n"));
|
||||
printf(_(" --initdb-no-pwprompt don't require superuser password when running initdb\n"));
|
||||
printf(_("\n%s performs some tasks like clone a node, promote it or making follow\n"), progname);
|
||||
printf(_("another node and then exits.\n\n"));
|
||||
printf(_("COMMANDS:\n"));
|
||||
@@ -1927,19 +2017,6 @@ create_recovery_file(const char *data_dir)
|
||||
return false;
|
||||
}
|
||||
|
||||
if(*runtime_options.min_recovery_apply_delay)
|
||||
{
|
||||
maxlen_snprintf(line, "\nmin_recovery_apply_delay = %s\n",
|
||||
runtime_options.min_recovery_apply_delay);
|
||||
|
||||
if (fputs(line, recovery_file) == EOF)
|
||||
{
|
||||
log_err(_("recovery file could not be written, it could be necessary to create it manually\n"));
|
||||
fclose(recovery_file);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/* FreeFile(recovery_file); */
|
||||
fclose(recovery_file);
|
||||
|
||||
@@ -1950,34 +2027,25 @@ static int
|
||||
test_ssh_connection(char *host, char *remote_user)
|
||||
{
|
||||
char script[MAXLEN];
|
||||
int r = 1, i;
|
||||
int r;
|
||||
|
||||
/* On some OS, true is located in a different place than in Linux
|
||||
* we have to try them all until all alternatives are gone or we
|
||||
* found `true' because the target OS may differ from the source
|
||||
* OS
|
||||
*/
|
||||
const char *truebin_pathes[] = {
|
||||
"/bin/true",
|
||||
"/usr/bin/true",
|
||||
NULL
|
||||
};
|
||||
/* On some OS, true is located in a different place than in Linux */
|
||||
#ifdef __FreeBSD__
|
||||
#define TRUEBIN_PATH "/usr/bin/true"
|
||||
#else
|
||||
#define TRUEBIN_PATH "/bin/true"
|
||||
#endif
|
||||
|
||||
/* Check if we have ssh connectivity to host before trying to rsync */
|
||||
for(i = 0; truebin_pathes[i] && r != 0; ++i)
|
||||
{
|
||||
if (!remote_user[0])
|
||||
maxlen_snprintf(script, "ssh -o Batchmode=yes %s %s %s",
|
||||
options.ssh_options, host, truebin_pathes[i]);
|
||||
else
|
||||
maxlen_snprintf(script, "ssh -o Batchmode=yes %s %s -l %s %s",
|
||||
options.ssh_options, host, remote_user,
|
||||
truebin_pathes[i]);
|
||||
|
||||
log_debug(_("command is: %s\n"), script);
|
||||
r = system(script);
|
||||
}
|
||||
if (!remote_user[0])
|
||||
maxlen_snprintf(script, "ssh -o Batchmode=yes %s %s %s",
|
||||
options.ssh_options, host, TRUEBIN_PATH);
|
||||
else
|
||||
maxlen_snprintf(script, "ssh -o Batchmode=yes %s %s -l %s %s",
|
||||
options.ssh_options, host, remote_user, TRUEBIN_PATH);
|
||||
|
||||
log_debug(_("command is: %s\n"), script);
|
||||
r = system(script);
|
||||
if (r != 0)
|
||||
log_info(_("Can not connect to the remote host (%s)\n"), host);
|
||||
return r;
|
||||
@@ -2000,7 +2068,7 @@ copy_remote_files(char *host, char *remote_user, char *remote_path,
|
||||
maxlen_snprintf(rsync_flags, "%s", options.rsync_options);
|
||||
|
||||
if (runtime_options.force)
|
||||
strcat(rsync_flags, " --delete");
|
||||
strcat(rsync_flags, " --delete --checksum");
|
||||
|
||||
if (!remote_user[0])
|
||||
{
|
||||
@@ -2368,13 +2436,14 @@ static bool
|
||||
copy_configuration(PGconn *masterconn, PGconn *witnessconn)
|
||||
{
|
||||
char sqlquery[MAXLEN];
|
||||
PGresult *res;
|
||||
PGresult *res1;
|
||||
PGresult *res2;
|
||||
int i;
|
||||
|
||||
sqlquery_snprintf(sqlquery, "TRUNCATE TABLE %s.repl_nodes", repmgr_schema);
|
||||
log_debug("copy_configuration: %s\n", sqlquery);
|
||||
res = PQexec(witnessconn, sqlquery);
|
||||
if (!res || PQresultStatus(res) != PGRES_COMMAND_OK)
|
||||
res1 = PQexec(witnessconn, sqlquery);
|
||||
if (!res1 || PQresultStatus(res1) != PGRES_COMMAND_OK)
|
||||
{
|
||||
fprintf(stderr, "Cannot clean node details in the witness, %s\n",
|
||||
PQerrorMessage(witnessconn));
|
||||
@@ -2383,33 +2452,35 @@ copy_configuration(PGconn *masterconn, PGconn *witnessconn)
|
||||
|
||||
sqlquery_snprintf(sqlquery, "SELECT id, name, conninfo, priority, witness FROM %s.repl_nodes",
|
||||
repmgr_schema);
|
||||
res = PQexec(masterconn, sqlquery);
|
||||
if (PQresultStatus(res) != PGRES_TUPLES_OK)
|
||||
res1 = PQexec(masterconn, sqlquery);
|
||||
if (PQresultStatus(res1) != PGRES_TUPLES_OK)
|
||||
{
|
||||
fprintf(stderr, "Can't get configuration from master: %s\n",
|
||||
PQerrorMessage(masterconn));
|
||||
PQclear(res);
|
||||
PQclear(res1);
|
||||
return false;
|
||||
}
|
||||
for (i = 0; i < PQntuples(res); i++)
|
||||
for (i = 0; i < PQntuples(res1); i++)
|
||||
{
|
||||
sqlquery_snprintf(sqlquery, "INSERT INTO %s.repl_nodes(id, cluster, name, conninfo, priority, witness) "
|
||||
"VALUES (%d, '%s', '%s', '%s', %d, '%s')",
|
||||
repmgr_schema, atoi(PQgetvalue(res, i, 0)),
|
||||
options.cluster_name, PQgetvalue(res, i, 1),
|
||||
PQgetvalue(res, i, 2),
|
||||
atoi(PQgetvalue(res, i, 3)),
|
||||
PQgetvalue(res, i, 4));
|
||||
repmgr_schema, atoi(PQgetvalue(res1, i, 0)),
|
||||
options.cluster_name, PQgetvalue(res1, i, 1),
|
||||
PQgetvalue(res1, i, 2),
|
||||
atoi(PQgetvalue(res1, i, 3)),
|
||||
PQgetvalue(res1, i, 4));
|
||||
|
||||
res = PQexec(witnessconn, sqlquery);
|
||||
if (!res || PQresultStatus(res) != PGRES_COMMAND_OK)
|
||||
res2 = PQexec(witnessconn, sqlquery);
|
||||
if (!res2 || PQresultStatus(res2) != PGRES_COMMAND_OK)
|
||||
{
|
||||
fprintf(stderr, "Cannot copy configuration to witness, %s\n",
|
||||
PQerrorMessage(witnessconn));
|
||||
PQclear(res);
|
||||
PQclear(res2);
|
||||
return false;
|
||||
}
|
||||
PQclear(res2);
|
||||
}
|
||||
PQclear(res1);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
13
repmgr.h
13
repmgr.h
@@ -20,9 +20,9 @@
|
||||
#ifndef _REPMGR_H_
|
||||
#define _REPMGR_H_
|
||||
|
||||
#include "postgres_fe.h"
|
||||
#include "getopt_long.h"
|
||||
#include "libpq-fe.h"
|
||||
#include <libpq-fe.h>
|
||||
#include <postgres_fe.h>
|
||||
#include <getopt_long.h>
|
||||
|
||||
#include "strutil.h"
|
||||
#include "dbutils.h"
|
||||
@@ -56,21 +56,22 @@ typedef struct
|
||||
char dest_dir[MAXFILENAME];
|
||||
char config_file[MAXFILENAME];
|
||||
char remote_user[MAXLEN];
|
||||
char superuser[MAXLEN];
|
||||
char wal_keep_segments[MAXLEN];
|
||||
bool verbose;
|
||||
bool force;
|
||||
bool wait_for_master;
|
||||
bool ignore_rsync_warn;
|
||||
bool initdb_no_pwprompt;
|
||||
bool fast_checkpoint;
|
||||
|
||||
char masterport[MAXLEN];
|
||||
char localport[MAXLEN];
|
||||
|
||||
/* parameter used by CLUSTER CLEANUP */
|
||||
int keep_history;
|
||||
|
||||
char min_recovery_apply_delay[MAXLEN];
|
||||
} t_runtime_options;
|
||||
|
||||
#define T_RUNTIME_OPTIONS_INITIALIZER { "", "", "", "", "", "", DEFAULT_WAL_KEEP_SEGMENTS, false, false, false, false, "", "", 0, "" }
|
||||
#define T_RUNTIME_OPTIONS_INITIALIZER { "", "", "", "", "", "", "", DEFAULT_WAL_KEEP_SEGMENTS, false, false, false, false, false, false, "", "", 0}
|
||||
|
||||
#endif
|
||||
|
||||
24
repmgrd.c
24
repmgrd.c
@@ -218,6 +218,17 @@ main(int argc, char **argv)
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Read the configuration file: repmgr.conf
|
||||
*/
|
||||
parse_config(config_file, &local_options);
|
||||
if (local_options.node == -1)
|
||||
{
|
||||
log_err(_("Node information is missing. "
|
||||
"Check the configuration file, or provide one if you have not done so.\n"));
|
||||
terminate(ERR_BAD_CONFIG);
|
||||
}
|
||||
|
||||
if (daemonize)
|
||||
{
|
||||
do_daemonize();
|
||||
@@ -232,17 +243,6 @@ main(int argc, char **argv)
|
||||
setup_event_handlers();
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Read the configuration file: repmgr.conf
|
||||
*/
|
||||
parse_config(config_file, &local_options);
|
||||
if (local_options.node == -1)
|
||||
{
|
||||
log_err(_("Node information is missing. "
|
||||
"Check the configuration file, or provide one if you have not done so.\n"));
|
||||
terminate(ERR_BAD_CONFIG);
|
||||
}
|
||||
|
||||
fd = freopen("/dev/null", "r", stdin);
|
||||
if (fd == NULL)
|
||||
{
|
||||
@@ -551,7 +551,7 @@ witness_monitor(void)
|
||||
sqlquery_snprintf(sqlquery,
|
||||
"INSERT INTO %s.repl_monitor "
|
||||
"VALUES(%d, %d, '%s'::timestamp with time zone, "
|
||||
" pg_current_xlog_location(), null, "
|
||||
" null, pg_current_xlog_location(), null, "
|
||||
" 0, 0)",
|
||||
repmgr_schema, primary_options.node, local_options.node,
|
||||
monitor_witness_timestamp);
|
||||
|
||||
@@ -25,9 +25,15 @@
|
||||
#include "log.h"
|
||||
#include "strutil.h"
|
||||
|
||||
#if (PG_VERSION_NUM >= 90100)
|
||||
static int
|
||||
xvsnprintf(char *str, size_t size, const char *format, va_list ap)
|
||||
__attribute__((format(PG_PRINTF_ATTRIBUTE, 3, 0)));
|
||||
#else
|
||||
static int
|
||||
xvsnprintf(char *str, size_t size, const char *format, va_list ap)
|
||||
__attribute__((format(printf, 3, 0)));
|
||||
#endif
|
||||
|
||||
static int
|
||||
xvsnprintf(char *str, size_t size, const char *format, va_list ap)
|
||||
|
||||
16
strutil.h
16
strutil.h
@@ -22,7 +22,7 @@
|
||||
#define _STRUTIL_H_
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <errcode.h>
|
||||
#include "errcode.h"
|
||||
|
||||
#define QUERY_STR_LEN 8192
|
||||
#define MAXLEN 1024
|
||||
@@ -31,6 +31,7 @@
|
||||
#define MAXCONNINFO 1024
|
||||
|
||||
|
||||
#if (PG_VERSION_NUM >= 90100)
|
||||
extern int
|
||||
xsnprintf(char *str, size_t size, const char *format,...)
|
||||
__attribute__((format(PG_PRINTF_ATTRIBUTE, 3, 4)));
|
||||
@@ -42,5 +43,18 @@ __attribute__((format(PG_PRINTF_ATTRIBUTE, 2, 3)));
|
||||
extern int
|
||||
maxlen_snprintf(char *str, const char *format,...)
|
||||
__attribute__((format(PG_PRINTF_ATTRIBUTE, 2, 3)));
|
||||
#else
|
||||
extern int
|
||||
xsnprintf(char *str, size_t size, const char *format,...)
|
||||
__attribute__((format(printf, 3, 4)));
|
||||
|
||||
extern int
|
||||
sqlquery_snprintf(char *str, const char *format,...)
|
||||
__attribute__((format(printf, 2, 3)));
|
||||
|
||||
extern int
|
||||
maxlen_snprintf(char *str, const char *format,...)
|
||||
__attribute__((format(printf, 2, 3)));
|
||||
#endif
|
||||
|
||||
#endif /* _STRUTIL_H_ */
|
||||
|
||||
Reference in New Issue
Block a user