From cdb1c59c6cbdf8a785287ae971c1b62e33f31d67 Mon Sep 17 00:00:00 2001 From: User tanida Date: Mon, 2 Oct 2006 10:30:41 +0000 Subject: [PATCH] Initial import of pgpool-ha project. --- AUTHORS | 1 + COPYING | 13 + ChangeLog | 1 + INSTALL | 13 + NEWS | 0 README | 45 + README.ja | 3 + config.log | 142 +++ config.status | 708 ++++++++++++ configure | 2361 +++++++++++++++++++++++++++++++++++++++++ configure.in | 16 + doc/pgpool-ha.en.txt | 166 +++ doc/pgpool-ha.ja.txt | 224 ++++ install-sh | 323 ++++++ src/Makefile.in | 28 + src/pgpool.in | 146 +++ src/pgpool.monitor.in | 171 +++ 17 files changed, 4361 insertions(+) create mode 100644 AUTHORS create mode 100644 COPYING create mode 100644 ChangeLog create mode 100644 INSTALL create mode 100644 NEWS create mode 100644 README create mode 100644 README.ja create mode 100644 config.log create mode 100755 config.status create mode 100755 configure create mode 100644 configure.in create mode 100644 doc/pgpool-ha.en.txt create mode 100644 doc/pgpool-ha.ja.txt create mode 100755 install-sh create mode 100644 src/Makefile.in create mode 100755 src/pgpool.in create mode 100755 src/pgpool.monitor.in diff --git a/AUTHORS b/AUTHORS new file mode 100644 index 0000000..3f07f56 --- /dev/null +++ b/AUTHORS @@ -0,0 +1 @@ +pgpool-ha was written by TANIDA Yutaka(tanida@sraoss.co.jp) diff --git a/COPYING b/COPYING new file mode 100644 index 0000000..1588a73 --- /dev/null +++ b/COPYING @@ -0,0 +1,13 @@ +Copyright (c) 2006 SRA OSS, Inc. Japan + +Permission to use, copy, modify, and distribute this software and +its documentation for any purpose and without fee is hereby +granted, provided that the above copyright notice appear in all +copies and that both that copyright notice and this permission +notice appear in supporting documentation, and that the name of the +author not be used in advertising or publicity pertaining to +distribution of the software without specific, written prior +permission. The author makes no representations about the +suitability of this software for any purpose. It is provided "as +is" without express or implied warranty. + diff --git a/ChangeLog b/ChangeLog new file mode 100644 index 0000000..2a81ddb --- /dev/null +++ b/ChangeLog @@ -0,0 +1 @@ +2006/8/21 initial release diff --git a/INSTALL b/INSTALL new file mode 100644 index 0000000..9360a14 --- /dev/null +++ b/INSTALL @@ -0,0 +1,13 @@ +1. make sure heartbeat was installed. +2. make sure psql can be used and in $PATH. +3. make sure pgpool can be used and in $PATH. +4. + +# ./configure +# cd src +# make +# make install + +OCF-style pgpool control script 'pgpool' will be installed in /usr/lib/ocf/resource.d/heartbeat , and monitoring script 'pgpool.monitor' will be installed in same directory as pgpool. + + diff --git a/NEWS b/NEWS new file mode 100644 index 0000000..e69de29 diff --git a/README b/README new file mode 100644 index 0000000..d24dce7 --- /dev/null +++ b/README @@ -0,0 +1,45 @@ +pgpool-ha - Heartbeat scripts for pgpool + +TANIDA Yutaka(tanida@sraoss.co.jp) + +1. What's this? + +This is a scripts to combine both pgpool and heartbeat. Pgpool is a replication + server of PostgreSQL and makes reliability , but pgpool server is always single-point-failure. To avoid this , heartbeat, it provides high-availability feature to applications, can be used. + +2. Requirement + +- heartbeat + 2.0+ required. + +- pgpool + Tested on 3.0+ only , but It will work if 'show pool_status' command was supported. + pgpool.conf on default path is only supported. + +- PostgreSQL 7.0+ + 'psql' also needed for install hosts . postmaster doesn't required. + +- perl + Need 5.0+ , GetOpt::Long. + +3. using + +After install this , pgpool can be used as heartbeat OCF-style resources. See Heartbeat site. + +http://linux-ha.org/ConfiguringHeartbeat +http://linux-ha.org/ClusterInformationBase/ + +pgpool.conf in default path (e.g. /usr/local/pgsql/etc/pgpool.conf) is only supported , and following variables are used by pgpool-ha. + +*port + +Used to determine connecting port. + +*health_check_user + +used to connecting user and database. Make sure your PostgreSQL has same user/role ,database and pg_hba.conf entry to connect from pgpool host by "trust" authentication. + + + + + diff --git a/README.ja b/README.ja new file mode 100644 index 0000000..3e61eb8 --- /dev/null +++ b/README.ja @@ -0,0 +1,3 @@ +pgpool-ha - heartbeat scripts for pgpool + +日本語ドキュメントはdoc/pgpool-ha.ja.txtをご覧ください。 diff --git a/config.log b/config.log new file mode 100644 index 0000000..a8ee4ea --- /dev/null +++ b/config.log @@ -0,0 +1,142 @@ +This file contains any messages produced by compilers while +running configure, to aid debugging if configure makes a mistake. + +It was created by FULL-PACKAGE-NAME configure VERSION, which was +generated by GNU Autoconf 2.59. Invocation command line was + + $ ./configure + +## --------- ## +## Platform. ## +## --------- ## + +hostname = fc1 +uname -m = i686 +uname -r = 2.6.15-1.2054_FC5 +uname -s = Linux +uname -v = #1 Tue Mar 14 15:48:33 EST 2006 + +/usr/bin/uname -p = unknown +/bin/uname -X = unknown + +/bin/arch = i686 +/usr/bin/arch -k = unknown +/usr/convex/getsysinfo = unknown +hostinfo = unknown +/bin/machine = unknown +/usr/bin/oslevel = unknown +/bin/universe = unknown + +PATH: /usr/kerberos/sbin +PATH: /usr/kerberos/bin +PATH: /usr/local/sbin +PATH: /usr/local/bin +PATH: /sbin +PATH: /bin +PATH: /usr/sbin +PATH: /usr/bin +PATH: /opt/powergres/bin +PATH: /root/bin + + +## ----------- ## +## Core tests. ## +## ----------- ## + +configure:1271: checking for a BSD-compatible install +configure:1326: result: /usr/bin/install -c +configure:1339: checking for /usr/lib/ocf/resource.d/heartbeat +configure:1354: result: yes +configure:1367: checking for psql +configure:1385: found /opt/powergres/bin/psql +configure:1400: result: /opt/powergres/bin/psql +configure:1409: checking for pgpool +configure:1427: found /opt/powergres/bin/pgpool +configure:1442: result: /opt/powergres/bin/pgpool +configure:1578: creating ./config.status + +## ---------------------- ## +## Running config.status. ## +## ---------------------- ## + +This file was extended by FULL-PACKAGE-NAME config.status VERSION, which was +generated by GNU Autoconf 2.59. Invocation command line was + + CONFIG_FILES = + CONFIG_HEADERS = + CONFIG_LINKS = + CONFIG_COMMANDS = + $ ./config.status + +on fc1 + +config.status:634: creating src/Makefile + +## ---------------- ## +## Cache variables. ## +## ---------------- ## + +ac_cv_env_build_alias_set= +ac_cv_env_build_alias_value= +ac_cv_env_host_alias_set= +ac_cv_env_host_alias_value= +ac_cv_env_target_alias_set= +ac_cv_env_target_alias_value= +ac_cv_file__usr_lib_ocf_resource_d_heartbeat=yes +ac_cv_path_PGPOOL=/opt/powergres/bin/pgpool +ac_cv_path_PSQL=/opt/powergres/bin/psql +ac_cv_path_install='/usr/bin/install -c' + +## ----------------- ## +## Output variables. ## +## ----------------- ## + +DEFS='-DPACKAGE_NAME=\"FULL-PACKAGE-NAME\" -DPACKAGE_TARNAME=\"full-package-name\" -DPACKAGE_VERSION=\"VERSION\" -DPACKAGE_STRING=\"FULL-PACKAGE-NAME\ VERSION\" -DPACKAGE_BUGREPORT=\"BUG-REPORT-ADDRESS\" ' +ECHO_C='' +ECHO_N='-n' +ECHO_T='' +INSTALL_DATA='${INSTALL} -m 644' +INSTALL_PROGRAM='${INSTALL}' +INSTALL_SCRIPT='${INSTALL}' +LIBOBJS='' +LIBS='' +LTLIBOBJS='' +PACKAGE_BUGREPORT='BUG-REPORT-ADDRESS' +PACKAGE_NAME='FULL-PACKAGE-NAME' +PACKAGE_STRING='FULL-PACKAGE-NAME VERSION' +PACKAGE_TARNAME='full-package-name' +PACKAGE_VERSION='VERSION' +PATH_SEPARATOR=':' +PGPOOL='/opt/powergres/bin/pgpool' +PSQL='/opt/powergres/bin/psql' +SHELL='/bin/sh' +bindir='${exec_prefix}/bin' +build_alias='' +datadir='${prefix}/share' +exec_prefix='${prefix}' +host_alias='' +includedir='${prefix}/include' +infodir='${prefix}/info' +libdir='${exec_prefix}/lib' +libexecdir='${exec_prefix}/libexec' +localstatedir='${prefix}/var' +mandir='${prefix}/man' +oldincludedir='/usr/include' +prefix='/usr/local' +program_transform_name='s,x,x,' +sbindir='${exec_prefix}/sbin' +sharedstatedir='${prefix}/com' +sysconfdir='${prefix}/etc' +target_alias='' + +## ----------- ## +## confdefs.h. ## +## ----------- ## + +#define PACKAGE_BUGREPORT "BUG-REPORT-ADDRESS" +#define PACKAGE_NAME "FULL-PACKAGE-NAME" +#define PACKAGE_STRING "FULL-PACKAGE-NAME VERSION" +#define PACKAGE_TARNAME "full-package-name" +#define PACKAGE_VERSION "VERSION" + +configure: exit 0 diff --git a/config.status b/config.status new file mode 100755 index 0000000..02d353c --- /dev/null +++ b/config.status @@ -0,0 +1,708 @@ +#! /bin/sh +# Generated by configure. +# Run this file to recreate the current configuration. +# Compiler output produced by configure, useful for debugging +# configure, is in config.log if it exists. + +debug=false +ac_cs_recheck=false +ac_cs_silent=false +SHELL=${CONFIG_SHELL-/bin/sh} +## --------------------- ## +## M4sh Initialization. ## +## --------------------- ## + +# Be Bourne compatible +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. 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We don't cache a + # path for INSTALL within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the path is relative. + INSTALL=$ac_install_sh + fi +fi +echo "$as_me:$LINENO: result: $INSTALL" >&5 +echo "${ECHO_T}$INSTALL" >&6 + +# Use test -z because SunOS4 sh mishandles braces in ${var-val}. +# It thinks the first close brace ends the variable substitution. +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' + +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' + +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' + + +# Checks for programs. +echo "$as_me:$LINENO: checking for /usr/lib/ocf/resource.d/heartbeat" >&5 +echo $ECHO_N "checking for /usr/lib/ocf/resource.d/heartbeat... $ECHO_C" >&6 +if test "${ac_cv_file__usr_lib_ocf_resource_d_heartbeat+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + test "$cross_compiling" = yes && + { { echo "$as_me:$LINENO: error: cannot check for file existence when cross compiling" >&5 +echo "$as_me: error: cannot check for file existence when cross compiling" >&2;} + { (exit 1); exit 1; }; } +if test -r "/usr/lib/ocf/resource.d/heartbeat"; then + ac_cv_file__usr_lib_ocf_resource_d_heartbeat=yes +else + ac_cv_file__usr_lib_ocf_resource_d_heartbeat=no +fi +fi +echo "$as_me:$LINENO: result: $ac_cv_file__usr_lib_ocf_resource_d_heartbeat" >&5 +echo "${ECHO_T}$ac_cv_file__usr_lib_ocf_resource_d_heartbeat" >&6 +if test $ac_cv_file__usr_lib_ocf_resource_d_heartbeat = yes; then + : +else + { { echo "$as_me:$LINENO: error: Can't determine where to install OCF script. Maybe Heartbeat doesn't installed" >&5 +echo "$as_me: error: Can't determine where to install OCF script. Maybe Heartbeat doesn't installed" >&2;} + { (exit 1); exit 1; }; } +fi + + +# Extract the first word of "psql", so it can be a program name with args. +set dummy psql; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_path_PSQL+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + case $PSQL in + [\\/]* | ?:[\\/]*) + ac_cv_path_PSQL="$PSQL" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_PSQL="$as_dir/$ac_word$ac_exec_ext" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + + test -z "$ac_cv_path_PSQL" && ac_cv_path_PSQL="{ { echo "$as_me:$LINENO: error: psql not found." >&5 +echo "$as_me: error: psql not found." >&2;} + { (exit 1); exit 1; }; }" + ;; +esac +fi +PSQL=$ac_cv_path_PSQL + +if test -n "$PSQL"; then + echo "$as_me:$LINENO: result: $PSQL" >&5 +echo "${ECHO_T}$PSQL" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + +# Extract the first word of "pgpool", so it can be a program name with args. +set dummy pgpool; ac_word=$2 +echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6 +if test "${ac_cv_path_PGPOOL+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + case $PGPOOL in + [\\/]* | ?:[\\/]*) + ac_cv_path_PGPOOL="$PGPOOL" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_PGPOOL="$as_dir/$ac_word$ac_exec_ext" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done + + test -z "$ac_cv_path_PGPOOL" && ac_cv_path_PGPOOL="{ { echo "$as_me:$LINENO: error: pgpool needed." >&5 +echo "$as_me: error: pgpool needed." >&2;} + { (exit 1); exit 1; }; }" + ;; +esac +fi +PGPOOL=$ac_cv_path_PGPOOL + +if test -n "$PGPOOL"; then + echo "$as_me:$LINENO: result: $PGPOOL" >&5 +echo "${ECHO_T}$PGPOOL" >&6 +else + echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6 +fi + + + ac_config_files="$ac_config_files src/Makefile" + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, don't put newlines in cache variables' values. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +{ + (set) 2>&1 | + case `(ac_space=' '; set | grep ac_space) 2>&1` in + *ac_space=\ *) + # `set' does not quote correctly, so add quotes (double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \). + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n \ + "s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p" + ;; + esac; +} | + sed ' + t clear + : clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + /^ac_cv_env/!s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + : end' >>confcache +if diff $cache_file confcache >/dev/null 2>&1; then :; else + if test -w $cache_file; then + test "x$cache_file" != "x/dev/null" && echo "updating cache $cache_file" + cat confcache >$cache_file + else + echo "not updating unwritable cache $cache_file" + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +# VPATH may cause trouble with some makes, so we remove $(srcdir), +# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=/{ +s/:*\$(srcdir):*/:/; +s/:*\${srcdir}:*/:/; +s/:*@srcdir@:*/:/; +s/^\([^=]*=[ ]*\):*/\1/; +s/:*$//; +s/^[^=]*=[ ]*$//; +}' +fi + +# Transform confdefs.h into DEFS. +# Protect against shell expansion while executing Makefile rules. +# Protect against Makefile macro expansion. +# +# If the first sed substitution is executed (which looks for macros that +# take arguments), then we branch to the quote section. Otherwise, +# look for a macro that doesn't take arguments. +cat >confdef2opt.sed <<\_ACEOF +t clear +: clear +s,^[ ]*#[ ]*define[ ][ ]*\([^ (][^ (]*([^)]*)\)[ ]*\(.*\),-D\1=\2,g +t quote +s,^[ ]*#[ ]*define[ ][ ]*\([^ ][^ ]*\)[ ]*\(.*\),-D\1=\2,g +t quote +d +: quote +s,[ `~#$^&*(){}\\|;'"<>?],\\&,g +s,\[,\\&,g +s,\],\\&,g +s,\$,$$,g +p +_ACEOF +# We use echo to avoid assuming a particular line-breaking character. +# The extra dot is to prevent the shell from consuming trailing +# line-breaks from the sub-command output. A line-break within +# single-quotes doesn't work because, if this script is created in a +# platform that uses two characters for line-breaks (e.g., DOS), tr +# would break. +ac_LF_and_DOT=`echo; echo .` +DEFS=`sed -n -f confdef2opt.sed confdefs.h | tr "$ac_LF_and_DOT" ' .'` +rm -f confdef2opt.sed + + +ac_libobjs= +ac_ltlibobjs= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_i=`echo "$ac_i" | + sed 's/\$U\././;s/\.o$//;s/\.obj$//'` + # 2. Add them. + ac_libobjs="$ac_libobjs $ac_i\$U.$ac_objext" + ac_ltlibobjs="$ac_ltlibobjs $ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + + +: ${CONFIG_STATUS=./config.status} +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files $CONFIG_STATUS" +{ echo "$as_me:$LINENO: creating $CONFIG_STATUS" >&5 +echo "$as_me: creating $CONFIG_STATUS" >&6;} +cat >$CONFIG_STATUS <<_ACEOF +#! $SHELL +# Generated by $as_me. +# Run this file to recreate the current configuration. +# Compiler output produced by configure, useful for debugging +# configure, is in config.log if it exists. + +debug=false +ac_cs_recheck=false +ac_cs_silent=false +SHELL=\${CONFIG_SHELL-$SHELL} +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF +## --------------------- ## +## M4sh Initialization. ## +## --------------------- ## + +# Be Bourne compatible +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' +elif test -n "${BASH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then + set -o posix +fi +DUALCASE=1; export DUALCASE # for MKS sh + +# Support unset when possible. +if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + as_unset=unset +else + as_unset=false +fi + + +# Work around bugs in pre-3.0 UWIN ksh. +$as_unset ENV MAIL MAILPATH +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +for as_var in \ + LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \ + LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \ + LC_TELEPHONE LC_TIME +do + if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then + eval $as_var=C; export $as_var + else + $as_unset $as_var + fi +done + +# Required to use basename. +if expr a : '\(a\)' >/dev/null 2>&1; then + as_expr=expr +else + as_expr=false +fi + +if (basename /) >/dev/null 2>&1 && test "X`basename / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + + +# Name of the executable. +as_me=`$as_basename "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)$' \| \ + . : '\(.\)' 2>/dev/null || +echo X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ s//\1/; q; } + /^X\/\(\/\/\)$/{ s//\1/; q; } + /^X\/\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + + +# PATH needs CR, and LINENO needs CR and PATH. +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + echo "#! /bin/sh" >conf$$.sh + echo "exit 0" >>conf$$.sh + chmod +x conf$$.sh + if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then + PATH_SEPARATOR=';' + else + PATH_SEPARATOR=: + fi + rm -f conf$$.sh +fi + + + as_lineno_1=$LINENO + as_lineno_2=$LINENO + as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null` + test "x$as_lineno_1" != "x$as_lineno_2" && + test "x$as_lineno_3" = "x$as_lineno_2" || { + # Find who we are. Look in the path if we contain no path at all + # relative or not. + case $0 in + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break +done + + ;; + esac + # We did not find ourselves, most probably we were run as `sh COMMAND' + # in which case we are not to be found in the path. + if test "x$as_myself" = x; then + as_myself=$0 + fi + if test ! -f "$as_myself"; then + { { echo "$as_me:$LINENO: error: cannot find myself; rerun with an absolute path" >&5 +echo "$as_me: error: cannot find myself; rerun with an absolute path" >&2;} + { (exit 1); exit 1; }; } + fi + case $CONFIG_SHELL in + '') + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for as_base in sh bash ksh sh5; do + case $as_dir in + /*) + if ("$as_dir/$as_base" -c ' + as_lineno_1=$LINENO + as_lineno_2=$LINENO + as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null` + test "x$as_lineno_1" != "x$as_lineno_2" && + test "x$as_lineno_3" = "x$as_lineno_2" ') 2>/dev/null; then + $as_unset BASH_ENV || test "${BASH_ENV+set}" != set || { BASH_ENV=; export BASH_ENV; } + $as_unset ENV || test "${ENV+set}" != set || { ENV=; export ENV; } + CONFIG_SHELL=$as_dir/$as_base + export CONFIG_SHELL + exec "$CONFIG_SHELL" "$0" ${1+"$@"} + fi;; + esac + done +done +;; + esac + + # Create $as_me.lineno as a copy of $as_myself, but with $LINENO + # uniformly replaced by the line number. The first 'sed' inserts a + # line-number line before each line; the second 'sed' does the real + # work. The second script uses 'N' to pair each line-number line + # with the numbered line, and appends trailing '-' during + # substitution so that $LINENO is not a special case at line end. + # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the + # second 'sed' script. Blame Lee E. McMahon for sed's syntax. :-) + sed '=' <$as_myself | + sed ' + N + s,$,-, + : loop + s,^\(['$as_cr_digits']*\)\(.*\)[$]LINENO\([^'$as_cr_alnum'_]\),\1\2\1\3, + t loop + s,-$,, + s,^['$as_cr_digits']*\n,, + ' >$as_me.lineno && + chmod +x $as_me.lineno || + { { echo "$as_me:$LINENO: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&5 +echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2;} + { (exit 1); exit 1; }; } + + # Don't try to exec as it changes $[0], causing all sort of problems + # (the dirname of $[0] is not the place where we might find the + # original and so on. Autoconf is especially sensible to this). + . ./$as_me.lineno + # Exit status is that of the last command. + exit +} + + +case `echo "testing\c"; echo 1,2,3`,`echo -n testing; echo 1,2,3` in + *c*,-n*) ECHO_N= ECHO_C=' +' ECHO_T=' ' ;; + *c*,* ) ECHO_N=-n ECHO_C= ECHO_T= ;; + *) ECHO_N= ECHO_C='\c' ECHO_T= ;; +esac + +if expr a : '\(a\)' >/dev/null 2>&1; then + as_expr=expr +else + as_expr=false +fi + +rm -f conf$$ conf$$.exe conf$$.file +echo >conf$$.file +if ln -s conf$$.file conf$$ 2>/dev/null; then + # We could just check for DJGPP; but this test a) works b) is more generic + # and c) will remain valid once DJGPP supports symlinks (DJGPP 2.04). + if test -f conf$$.exe; then + # Don't use ln at all; we don't have any links + as_ln_s='cp -p' + else + as_ln_s='ln -s' + fi +elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln +else + as_ln_s='cp -p' +fi +rm -f conf$$ conf$$.exe conf$$.file + +if mkdir -p . 2>/dev/null; then + as_mkdir_p=: +else + test -d ./-p && rmdir ./-p + as_mkdir_p=false +fi + +as_executable_p="test -f" + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +# IFS +# We need space, tab and new line, in precisely that order. +as_nl=' +' +IFS=" $as_nl" + +# CDPATH. +$as_unset CDPATH + +exec 6>&1 + +# Open the log real soon, to keep \$[0] and so on meaningful, and to +# report actual input values of CONFIG_FILES etc. instead of their +# values after options handling. Logging --version etc. is OK. +exec 5>>config.log +{ + echo + sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX +## Running $as_me. ## +_ASBOX +} >&5 +cat >&5 <<_CSEOF + +This file was extended by FULL-PACKAGE-NAME $as_me VERSION, which was +generated by GNU Autoconf 2.59. Invocation command line was + + CONFIG_FILES = $CONFIG_FILES + CONFIG_HEADERS = $CONFIG_HEADERS + CONFIG_LINKS = $CONFIG_LINKS + CONFIG_COMMANDS = $CONFIG_COMMANDS + $ $0 $@ + +_CSEOF +echo "on `(hostname || uname -n) 2>/dev/null | sed 1q`" >&5 +echo >&5 +_ACEOF + +# Files that config.status was made for. +if test -n "$ac_config_files"; then + echo "config_files=\"$ac_config_files\"" >>$CONFIG_STATUS +fi + +if test -n "$ac_config_headers"; then + echo "config_headers=\"$ac_config_headers\"" >>$CONFIG_STATUS +fi + +if test -n "$ac_config_links"; then + echo "config_links=\"$ac_config_links\"" >>$CONFIG_STATUS +fi + +if test -n "$ac_config_commands"; then + echo "config_commands=\"$ac_config_commands\"" >>$CONFIG_STATUS +fi + +cat >>$CONFIG_STATUS <<\_ACEOF + +ac_cs_usage="\ +\`$as_me' instantiates files from templates according to the +current configuration. + +Usage: $0 [OPTIONS] [FILE]... + + -h, --help print this help, then exit + -V, --version print version number, then exit + -q, --quiet do not print progress messages + -d, --debug don't remove temporary files + --recheck update $as_me by reconfiguring in the same conditions + --file=FILE[:TEMPLATE] + instantiate the configuration file FILE + +Configuration files: +$config_files + +Report bugs to ." +_ACEOF + +cat >>$CONFIG_STATUS <<_ACEOF +ac_cs_version="\\ +FULL-PACKAGE-NAME config.status VERSION +configured by $0, generated by GNU Autoconf 2.59, + with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\" + +Copyright (C) 2003 Free Software Foundation, Inc. +This config.status script is free software; the Free Software Foundation +gives unlimited permission to copy, distribute and modify it." +srcdir=$srcdir +INSTALL="$INSTALL" +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF +# If no file are specified by the user, then we need to provide default +# value. By we need to know if files were specified by the user. +ac_need_defaults=: +while test $# != 0 +do + case $1 in + --*=*) + ac_option=`expr "x$1" : 'x\([^=]*\)='` + ac_optarg=`expr "x$1" : 'x[^=]*=\(.*\)'` + ac_shift=: + ;; + -*) + ac_option=$1 + ac_optarg=$2 + ac_shift=shift + ;; + *) # This is not an option, so the user has probably given explicit + # arguments. + ac_option=$1 + ac_need_defaults=false;; + esac + + case $ac_option in + # Handling of the options. +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF + -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r) + ac_cs_recheck=: ;; + --version | --vers* | -V ) + echo "$ac_cs_version"; exit 0 ;; + --he | --h) + # Conflict between --help and --header + { { echo "$as_me:$LINENO: error: ambiguous option: $1 +Try \`$0 --help' for more information." >&5 +echo "$as_me: error: ambiguous option: $1 +Try \`$0 --help' for more information." >&2;} + { (exit 1); exit 1; }; };; + --help | --hel | -h ) + echo "$ac_cs_usage"; exit 0 ;; + --debug | --d* | -d ) + debug=: ;; + --file | --fil | --fi | --f ) + $ac_shift + CONFIG_FILES="$CONFIG_FILES $ac_optarg" + ac_need_defaults=false;; + --header | --heade | --head | --hea ) + $ac_shift + CONFIG_HEADERS="$CONFIG_HEADERS $ac_optarg" + ac_need_defaults=false;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil | --si | --s) + ac_cs_silent=: ;; + + # This is an error. + -*) { { echo "$as_me:$LINENO: error: unrecognized option: $1 +Try \`$0 --help' for more information." >&5 +echo "$as_me: error: unrecognized option: $1 +Try \`$0 --help' for more information." >&2;} + { (exit 1); exit 1; }; } ;; + + *) ac_config_targets="$ac_config_targets $1" ;; + + esac + shift +done + +ac_configure_extra_args= + +if $ac_cs_silent; then + exec 6>/dev/null + ac_configure_extra_args="$ac_configure_extra_args --silent" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF +if \$ac_cs_recheck; then + echo "running $SHELL $0 " $ac_configure_args \$ac_configure_extra_args " --no-create --no-recursion" >&6 + exec $SHELL $0 $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion +fi + +_ACEOF + + + + + +cat >>$CONFIG_STATUS <<\_ACEOF +for ac_config_target in $ac_config_targets +do + case "$ac_config_target" in + # Handling of arguments. + "src/Makefile" ) CONFIG_FILES="$CONFIG_FILES src/Makefile" ;; + *) { { echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5 +echo "$as_me: error: invalid argument: $ac_config_target" >&2;} + { (exit 1); exit 1; }; };; + esac +done + +# If the user did not use the arguments to specify the items to instantiate, +# then the envvar interface is used. Set only those that are not. +# We use the long form for the default assignment because of an extremely +# bizarre bug on SunOS 4.1.3. +if $ac_need_defaults; then + test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason to put it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Create a temporary directory, and hook for its removal unless debugging. +$debug || +{ + trap 'exit_status=$?; rm -rf $tmp && exit $exit_status' 0 + trap '{ (exit 1); exit 1; }' 1 2 13 15 +} + +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d -q "./confstatXXXXXX") 2>/dev/null` && + test -n "$tmp" && test -d "$tmp" +} || +{ + tmp=./confstat$$-$RANDOM + (umask 077 && mkdir $tmp) +} || +{ + echo "$me: cannot create a temporary directory in ." >&2 + { (exit 1); exit 1; } +} + +_ACEOF + +cat >>$CONFIG_STATUS <<_ACEOF + +# +# CONFIG_FILES section. +# + +# No need to generate the scripts if there are no CONFIG_FILES. +# This happens for instance when ./config.status config.h +if test -n "\$CONFIG_FILES"; then + # Protect against being on the right side of a sed subst in config.status. + sed 's/,@/@@/; s/@,/@@/; s/,;t t\$/@;t t/; /@;t t\$/s/[\\\\&,]/\\\\&/g; + s/@@/,@/; s/@@/@,/; s/@;t t\$/,;t t/' >\$tmp/subs.sed <<\\CEOF +s,@SHELL@,$SHELL,;t t +s,@PATH_SEPARATOR@,$PATH_SEPARATOR,;t t +s,@PACKAGE_NAME@,$PACKAGE_NAME,;t t +s,@PACKAGE_TARNAME@,$PACKAGE_TARNAME,;t t +s,@PACKAGE_VERSION@,$PACKAGE_VERSION,;t t +s,@PACKAGE_STRING@,$PACKAGE_STRING,;t t +s,@PACKAGE_BUGREPORT@,$PACKAGE_BUGREPORT,;t t +s,@exec_prefix@,$exec_prefix,;t t +s,@prefix@,$prefix,;t t +s,@program_transform_name@,$program_transform_name,;t t +s,@bindir@,$bindir,;t t +s,@sbindir@,$sbindir,;t t +s,@libexecdir@,$libexecdir,;t t +s,@datadir@,$datadir,;t t +s,@sysconfdir@,$sysconfdir,;t t +s,@sharedstatedir@,$sharedstatedir,;t t +s,@localstatedir@,$localstatedir,;t t +s,@libdir@,$libdir,;t t +s,@includedir@,$includedir,;t t +s,@oldincludedir@,$oldincludedir,;t t +s,@infodir@,$infodir,;t t +s,@mandir@,$mandir,;t t +s,@build_alias@,$build_alias,;t t +s,@host_alias@,$host_alias,;t t +s,@target_alias@,$target_alias,;t t +s,@DEFS@,$DEFS,;t t +s,@ECHO_C@,$ECHO_C,;t t +s,@ECHO_N@,$ECHO_N,;t t +s,@ECHO_T@,$ECHO_T,;t t +s,@LIBS@,$LIBS,;t t +s,@INSTALL_PROGRAM@,$INSTALL_PROGRAM,;t t +s,@INSTALL_SCRIPT@,$INSTALL_SCRIPT,;t t +s,@INSTALL_DATA@,$INSTALL_DATA,;t t +s,@PSQL@,$PSQL,;t t +s,@PGPOOL@,$PGPOOL,;t t +s,@LIBOBJS@,$LIBOBJS,;t t +s,@LTLIBOBJS@,$LTLIBOBJS,;t t +CEOF + +_ACEOF + + cat >>$CONFIG_STATUS <<\_ACEOF + # Split the substitutions into bite-sized pieces for seds with + # small command number limits, like on Digital OSF/1 and HP-UX. + ac_max_sed_lines=48 + ac_sed_frag=1 # Number of current file. + ac_beg=1 # First line for current file. + ac_end=$ac_max_sed_lines # Line after last line for current file. + ac_more_lines=: + ac_sed_cmds= + while $ac_more_lines; do + if test $ac_beg -gt 1; then + sed "1,${ac_beg}d; ${ac_end}q" $tmp/subs.sed >$tmp/subs.frag + else + sed "${ac_end}q" $tmp/subs.sed >$tmp/subs.frag + fi + if test ! -s $tmp/subs.frag; then + ac_more_lines=false + else + # The purpose of the label and of the branching condition is to + # speed up the sed processing (if there are no `@' at all, there + # is no need to browse any of the substitutions). + # These are the two extra sed commands mentioned above. + (echo ':t + /@[a-zA-Z_][a-zA-Z_0-9]*@/!b' && cat $tmp/subs.frag) >$tmp/subs-$ac_sed_frag.sed + if test -z "$ac_sed_cmds"; then + ac_sed_cmds="sed -f $tmp/subs-$ac_sed_frag.sed" + else + ac_sed_cmds="$ac_sed_cmds | sed -f $tmp/subs-$ac_sed_frag.sed" + fi + ac_sed_frag=`expr $ac_sed_frag + 1` + ac_beg=$ac_end + ac_end=`expr $ac_end + $ac_max_sed_lines` + fi + done + if test -z "$ac_sed_cmds"; then + ac_sed_cmds=cat + fi +fi # test -n "$CONFIG_FILES" + +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF +for ac_file in : $CONFIG_FILES; do test "x$ac_file" = x: && continue + # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in". + case $ac_file in + - | *:- | *:-:* ) # input from stdin + cat >$tmp/stdin + ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'` + ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;; + *:* ) ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'` + ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;; + * ) ac_file_in=$ac_file.in ;; + esac + + # Compute @srcdir@, @top_srcdir@, and @INSTALL@ for subdirectories. + ac_dir=`(dirname "$ac_file") 2>/dev/null || +$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$ac_file" : 'X\(//\)[^/]' \| \ + X"$ac_file" : 'X\(//\)$' \| \ + X"$ac_file" : 'X\(/\)' \| \ + . : '\(.\)' 2>/dev/null || +echo X"$ac_file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; } + /^X\(\/\/\)[^/].*/{ s//\1/; q; } + /^X\(\/\/\)$/{ s//\1/; q; } + /^X\(\/\).*/{ s//\1/; q; } + s/.*/./; q'` + { if $as_mkdir_p; then + mkdir -p "$ac_dir" + else + as_dir="$ac_dir" + as_dirs= + while test ! 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Generated by config.status. */ + if test x"$ac_file" = x-; then + configure_input= + else + configure_input="$ac_file. 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So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || { (exit 1); exit 1; } +fi + diff --git a/configure.in b/configure.in new file mode 100644 index 0000000..c35168d --- /dev/null +++ b/configure.in @@ -0,0 +1,16 @@ +# -*- Autoconf -*- +# Process this file with autoconf to produce a configure script. + +AC_PREREQ(2.59) +AC_INIT(FULL-PACKAGE-NAME, VERSION, BUG-REPORT-ADDRESS) + +AC_PROG_INSTALL + +# Checks for programs. +AC_CHECK_FILE(/usr/lib/ocf/resource.d/heartbeat,[],[AC_MSG_ERROR([Can't determine where to install OCF script. Maybe Heartbeat doesn't installed])]) + +AC_PATH_PROG(PSQL,psql,[AC_MSG_ERROR([psql not found.])]) +AC_PATH_PROG(PGPOOL,pgpool,[AC_MSG_ERROR([pgpool needed.])]) + +AC_CONFIG_FILES([src/Makefile]) +AC_OUTPUT diff --git a/doc/pgpool-ha.en.txt b/doc/pgpool-ha.en.txt new file mode 100644 index 0000000..2395edb --- /dev/null +++ b/doc/pgpool-ha.en.txt @@ -0,0 +1,166 @@ +t's this? + +This is a scripts to integrate pgpool and heartbeat. Pgpool is a +replication server of PostgreSQL and makes reliability ,but pgpool +is a single point failure . To avoid this , run pgpool over heartbeat. + +This software contains: + +-OCF style scripts for heartbeat, nesseary to run pgpool over heartbeat. +-A monitoring script for pgpool. + + +2. Requirement + +- heartbeat + 2.0+ required. + +- pgpool + Tested on 3.0+ only , but It will work if 'show pool_status' command was +supported. + pgpool.conf on default path is only supported. + +- PostgreSQL client installation. + 'psql' also required for install hosts . 'postmaster' doesn't required. + +- perl + Need 5.0+ and GetOpt::Long. + +3. using + +After install this , pgpool can be used as heartbeat OCF-style +resources. See Heartbeat site. + +http://linux-ha.org/ConfiguringHeartbeat +http://linux-ha.org/ClusterInformationBase/ + + +-ha.cf +Set 'crm' to true , to use Cluster Resource Manager (CRM) to +monitor pgpool . + +-- +crm true +-- + +Other setting is depends on your configuration. + +-cib.xml + +There's sample cib.xml file. + +* Modify 'node1' and 'node2' to your hostname, '192.168.0.3' to your floating IP address . +* Put it to /var/lib/heartbeat/crm/ . Of cource this path is depends on your +heartbeat installation. + +-----Sample cib.xml start + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +----- Sample cib.xml end. + +-pgpool.conf + +Put pgpool.conf on pgpool's default config file path (e.g. +/usr/local/etc/pgpool.conf). Following entries will be referrenced +to monitor pgpool. + +*port + +Used to determine connecting port. + +*health_check_user + +used to connecting user and database. Make sure your PostgreSQL has same +user/role ,database and pg_hba.conf entry to connect from pgpool host by +"trust" authentication. + +4. Restriction + +* PostgreSQL is never conrolled. You must start/stop manually. +* In pgpool-ha, pgpool is monitored , but PostgreSQL is not . If your + pgpool becomes something wrong but can accept SQL , pgpool-ha can't handle. +* If pgpool work but PostgreSQL is not avaliable , pgpool will failover. + +5. Licences + +BSD-like. see ../COPYING file. + + diff --git a/doc/pgpool-ha.ja.txt b/doc/pgpool-ha.ja.txt new file mode 100644 index 0000000..3ddb386 --- /dev/null +++ b/doc/pgpool-ha.ja.txt @@ -0,0 +1,224 @@ +Heartbeat scrpits for pgpool + +1. このプログラムとは + +Heartbeat 2.0以降にはCRM(Cluster Resource Manager)を使うことでサービス監視を +含むリソース管理を行ってくれるため、容易に高可用性サービスを立ち上げることが +可能になります。これとPostgreSQLのレプリケーションを実現するpgpoolを組み合わ +せることで、PostgreSQLサービスの冗長化をより簡単に行うことが出来ます。 + +サービス図： + + +---------+ +----------+ + /|[pgpool] |---|PostgreSQL| ++------+ +----------+ / +---------+ +----------+ +|client| --> |Virtual IP| -- \ ++------+ +----------+ \ +---------+ \ +----------+ + \|(pgpool) | -|PostgreSQL| + +---------+ +----------+ + + +本プログラムはHeartbeatと連携してpgpoolを高可用性対応するため、以下のコードが +含まれています。 + +- Heartbeat 2.0以降で利用できるOCF形式のpgpool管理スクリプト +- 管理スクリプト内で使用する監視プログラム + +2. インストール + +このプログラムを利用するためには少なくとも２台のマシンと、それぞれに以下のものが +インストールされている必要があります。 + +-PostgreSQL(http://www.postgresql.org/) のクライアント +psqlのみを必要とします。インストール時に環境変数PATHで参照可能な位置に配置してください。 + + + +-perl(http://www.perl.com/) +perl 5以上とGetOpt::Longを必要とします。 +-pgpool(http://pgpool.projects.postgresql.org/) +インストール時に環境変数PATHで参照可能な位置に配置してください。現段階では設定ファイルの位置は指定できないため、インストール時のデフォルト位置に配置してください。 + +なお、実行に当たってはpgpool.confの以下のパラメーターを利用するため、適切な + +-heartbeat 2.0以降(http://www.linux-ha.org/) + +また、このホストに入っている必要はありませんが、以下のソフトウェアも必要になります。 + +-PostgreSQL + +接続監視する関係上、pgpoolが接続する先としてのPostgreSQLサーバーが必要になります。これには、以下の条件があります。 +--pgpoolが稼働しているサーバーから指定データベースへの指定ユーザーからの接続に対するtrust認証が許されていること。この時指定データベースとユーザー名は + +-pgpool.confのhealth_check_userが有効な場合、ユーザー名として、また同時にdatabase名としても利用されます。標準のpgpoolの場合、nobodyなロール及びデータベースが必要です。 + +-有効な値がない場合、postgresユーザ/template1データベース + + + +2.2 インストール手順 + +基本的なプログラム、pgpool起動と監視スクリプトは以下の通りでインストール +できます。pgpool,psqlを環境変数で参照できる形にしておいてください。 + +# ./configure +# cd src +# make +# make install + +この時、OCF仕様のスクリプト"pgpool"が/usr/lib/orf/resource.d/heartbeat/以下に、 +監視スクリプトpgpool.monitorがpgpoolと同じディレクトリにコピーされます。 + +2.3 heartbeatの設定 +heartbeat上でpgpoolを稼働させるためにはheartbeat側の設定が必要になります。 + +-ha.cf +crmを利用します。以下の一行を設定してください。 + +crm true + +-cib.xml +cib.xmlはheartbeatでcrmを利用するために必要なファイルで、通常/var/lib/heartbeat/crm/以下に配置されています。サンプルとして1仮想IPアドレス、アクティブ/スタンバイのpgpool構成を行うcib.xmlを以下に示します。 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +この設定ファイル例によりpgpoolを管理できるようになります。この中で書き換える項目は以下の通りになります。 + +-ノード名 +　サンプル中node1,node2と示されているのがノード名になります。ここではha.cfで指定してあるファイルと同じ名称を指定してください。 + +-IPアドレス +　サンプル中で192.168.0.3と示されているのが仮想IPアドレスです。ここに指定することでpgpoolが稼働中のホストに当該IPアドレスが割り振られます。 + + +　この記述が終了したらファイルをheartbeatが利用する全てのサーバーに配置します。cib.xmlはサーバー間で全く同じである必要があります。なお、記述の検証にはheartbeatに付属しているcrm_verifyコマンドが使えます。 + +crm_verify -VX /opt/powergres/hb/var/lib/heartbeat/crm/cib.xml + +　最後に全てが終わったら起動して確認します。 + +# service heartbeat start + +そのあとheartbeat自体の起動が終了まで数分待ち、psにてpgpoolが起動することを確認することが出来れば完了です。 + +3. 利用方法 + +本ソリューションの起動及び終了はheartbeat経由で自動で行われます。順序としては以下の通りになります。 + +- PostgreSQLを起動 + +pgpoolで利用するPostgreSQLを起動します。 + +- heartbeatを起動 + +heartbeatを起動します。起動する場合はサービスとして + +#service heartbeat start + +と利用します。しばらくするとpgpoolが利用可能になります。この後、psql等で接続するためにはcib.xmlで指定したIPアドレスとpgpoolで指定したポートを指定します。例えば先ほどのサンプルの場合 + +psql -h 192.168.0.3 -p 9999 + +と実行すれば接続できます。 + +終了させる場合は、全く逆に全てのサーバーでheartbeatを終了させてください。heartbeatの終了のためには以下の通りのコマンドを実行します。 + +# service heartbeat stop + +4. FAQ + +-接続できない +以下の項目を確認してください。 + +--heartbeatが起動しているか。 + +起動していない場合、heartbeatのインストールか設定ファイルに問題があります。 + +--heartbeatが起動していて、psの出力の中にcrmdが存在しているか + +crmdが立ち上がってない、終了した場合にはcib.xmlファイルの内容にエラーがある可能性があります。特に前回実行時の内容を署名していますので、.sigファイルが当該ディレクトリに存在している場合にはエラーになります。そのため、書き換えた場合には*.sigファイルを消去し、再度実行してみてください。 + +--pgpoolが起動しているか。 + +起動していない場合、pgpoolが単独で実行できるかどうかを確認してください。また、設定ファイルの内容も確認して下さい。 + +--PostgreSQLが起動しているか。 + +起動していない場合は立ち上げてください。 + +--浮動IPに対してping等でアクセスできるか。 + +アクセスできない場合には設定ファイルを再度確認してください。 + + +なお、一度全てのホストでheartbeatを終了/起動させることで実行できることがあります。 + +-PGClusterのロードバランサーの冗長化に使えるか？ +技術的には可能ですが、現在その設定に必要な内容が不足しているため、利用することは出来ません。このためには以下の作業が必要です。 + +--pgpoolファイルを書き換え、pglbを起動終了させるようにする +--pgpoolファイルを書き換え、設定ファイル無しにポート番号等を指定するようにする。 + + +5. 制限事項 +・本プログラムに置ける監視はpgpoolの稼働チェック(pidファイルとSQL発行)のみです。 +それ以外の異常状態（起動して、SQL文も受け付けるが異常が発生しているような場合など）には対応できません。 +・PostgreSQL に対する管理は行っていません。 +・PostgreSQL が全く起動していない状態は異常であるとみなし、フェイルオーバーし続けますが、これは現段階の仕様です。 +・PostgreSQL がクラッシュした場合のリカバリは別途手動で行う必要があります。この方法についてはpgpoolに準じます。 +・ロックの問題、now()関数、OIDといったpgpoolの技術的制限事項が解消するわけ +ではありません。 + +6. 著作権 +本プログラムは谷田　豊盛（ゆたか） (tanida@sraoss.co.jp)が作成しました。著作権はいわゆるBSDライセンスライクなものとします。詳細は付属のCOPYINGファイルを参照ください。 + + diff --git a/install-sh b/install-sh new file mode 100755 index 0000000..4d4a951 --- /dev/null +++ b/install-sh @@ -0,0 +1,323 @@ +#!/bin/sh +# install - install a program, script, or datafile + +scriptversion=2005-05-14.22 + +# This originates from X11R5 (mit/util/scripts/install.sh), which was +# later released in X11R6 (xc/config/util/install.sh) with the +# following copyright and license. +# +# Copyright (C) 1994 X Consortium +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to +# deal in the Software without restriction, including without limitation the +# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +# sell copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- +# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# +# Except as contained in this notice, the name of the X Consortium shall not +# be used in advertising or otherwise to promote the sale, use or other deal- +# ings in this Software without prior written authorization from the X Consor- +# tium. +# +# +# FSF changes to this file are in the public domain. +# +# Calling this script install-sh is preferred over install.sh, to prevent +# `make' implicit rules from creating a file called install from it +# when there is no Makefile. +# +# This script is compatible with the BSD install script, but was written +# from scratch. It can only install one file at a time, a restriction +# shared with many OS's install programs. + +# set DOITPROG to echo to test this script + +# Don't use :- since 4.3BSD and earlier shells don't like it. +doit="${DOITPROG-}" + +# put in absolute paths if you don't have them in your path; or use env. vars. + +mvprog="${MVPROG-mv}" +cpprog="${CPPROG-cp}" +chmodprog="${CHMODPROG-chmod}" +chownprog="${CHOWNPROG-chown}" +chgrpprog="${CHGRPPROG-chgrp}" +stripprog="${STRIPPROG-strip}" +rmprog="${RMPROG-rm}" +mkdirprog="${MKDIRPROG-mkdir}" + +chmodcmd="$chmodprog 0755" +chowncmd= +chgrpcmd= +stripcmd= +rmcmd="$rmprog -f" +mvcmd="$mvprog" +src= +dst= +dir_arg= +dstarg= +no_target_directory= + +usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE + or: $0 [OPTION]... SRCFILES... DIRECTORY + or: $0 [OPTION]... -t DIRECTORY SRCFILES... + or: $0 [OPTION]... -d DIRECTORIES... + +In the 1st form, copy SRCFILE to DSTFILE. +In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. +In the 4th, create DIRECTORIES. + +Options: +-c (ignored) +-d create directories instead of installing files. +-g GROUP $chgrpprog installed files to GROUP. +-m MODE $chmodprog installed files to MODE. +-o USER $chownprog installed files to USER. +-s $stripprog installed files. +-t DIRECTORY install into DIRECTORY. +-T report an error if DSTFILE is a directory. +--help display this help and exit. +--version display version info and exit. + +Environment variables override the default commands: + CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG +" + +while test -n "$1"; do + case $1 in + -c) shift + continue;; + + -d) dir_arg=true + shift + continue;; + + -g) chgrpcmd="$chgrpprog $2" + shift + shift + continue;; + + --help) echo "$usage"; exit $?;; + + -m) chmodcmd="$chmodprog $2" + shift + shift + continue;; + + -o) chowncmd="$chownprog $2" + shift + shift + continue;; + + -s) stripcmd=$stripprog + shift + continue;; + + -t) dstarg=$2 + shift + shift + continue;; + + -T) no_target_directory=true + shift + continue;; + + --version) echo "$0 $scriptversion"; exit $?;; + + *) # When -d is used, all remaining arguments are directories to create. + # When -t is used, the destination is already specified. + test -n "$dir_arg$dstarg" && break + # Otherwise, the last argument is the destination. Remove it from $@. + for arg + do + if test -n "$dstarg"; then + # $@ is not empty: it contains at least $arg. + set fnord "$@" "$dstarg" + shift # fnord + fi + shift # arg + dstarg=$arg + done + break;; + esac +done + +if test -z "$1"; then + if test -z "$dir_arg"; then + echo "$0: no input file specified." >&2 + exit 1 + fi + # It's OK to call `install-sh -d' without argument. + # This can happen when creating conditional directories. + exit 0 +fi + +for src +do + # Protect names starting with `-'. + case $src in + -*) src=./$src ;; + esac + + if test -n "$dir_arg"; then + dst=$src + src= + + if test -d "$dst"; then + mkdircmd=: + chmodcmd= + else + mkdircmd=$mkdirprog + fi + else + # Waiting for this to be detected by the "$cpprog $src $dsttmp" command + # might cause directories to be created, which would be especially bad + # if $src (and thus $dsttmp) contains '*'. + if test ! -f "$src" && test ! -d "$src"; then + echo "$0: $src does not exist." >&2 + exit 1 + fi + + if test -z "$dstarg"; then + echo "$0: no destination specified." >&2 + exit 1 + fi + + dst=$dstarg + # Protect names starting with `-'. + case $dst in + -*) dst=./$dst ;; + esac + + # If destination is a directory, append the input filename; won't work + # if double slashes aren't ignored. + if test -d "$dst"; then + if test -n "$no_target_directory"; then + echo "$0: $dstarg: Is a directory" >&2 + exit 1 + fi + dst=$dst/`basename "$src"` + fi + fi + + # This sed command emulates the dirname command. + dstdir=`echo "$dst" | sed -e 's,/*$,,;s,[^/]*$,,;s,/*$,,;s,^$,.,'` + + # Make sure that the destination directory exists. + + # Skip lots of stat calls in the usual case. + if test ! -d "$dstdir"; then + defaultIFS=' + ' + IFS="${IFS-$defaultIFS}" + + oIFS=$IFS + # Some sh's can't handle IFS=/ for some reason. + IFS='%' + set x `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'` + shift + IFS=$oIFS + + pathcomp= + + while test $# -ne 0 ; do + pathcomp=$pathcomp$1 + shift + if test ! -d "$pathcomp"; then + $mkdirprog "$pathcomp" + # mkdir can fail with a `File exist' error in case several + # install-sh are creating the directory concurrently. This + # is OK. + test -d "$pathcomp" || exit + fi + pathcomp=$pathcomp/ + done + fi + + if test -n "$dir_arg"; then + $doit $mkdircmd "$dst" \ + && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \ + && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \ + && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \ + && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; } + + else + dstfile=`basename "$dst"` + + # Make a couple of temp file names in the proper directory. + dsttmp=$dstdir/_inst.$$_ + rmtmp=$dstdir/_rm.$$_ + + # Trap to clean up those temp files at exit. + trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 + trap '(exit $?); exit' 1 2 13 15 + + # Copy the file name to the temp name. + $doit $cpprog "$src" "$dsttmp" && + + # and set any options; do chmod last to preserve setuid bits. + # + # If any of these fail, we abort the whole thing. If we want to + # ignore errors from any of these, just make sure not to ignore + # errors from the above "$doit $cpprog $src $dsttmp" command. + # + { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \ + && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \ + && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \ + && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } && + + # Now rename the file to the real destination. + { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \ + || { + # The rename failed, perhaps because mv can't rename something else + # to itself, or perhaps because mv is so ancient that it does not + # support -f. + + # Now remove or move aside any old file at destination location. + # We try this two ways since rm can't unlink itself on some + # systems and the destination file might be busy for other + # reasons. In this case, the final cleanup might fail but the new + # file should still install successfully. + { + if test -f "$dstdir/$dstfile"; then + $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \ + || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \ + || { + echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2 + (exit 1); exit 1 + } + else + : + fi + } && + + # Now rename the file to the real destination. + $doit $mvcmd "$dsttmp" "$dstdir/$dstfile" + } + } + fi || { (exit 1); exit 1; } +done + +# The final little trick to "correctly" pass the exit status to the exit trap. +{ + (exit 0); exit 0 +} + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-end: "$" +# End: diff --git a/src/Makefile.in b/src/Makefile.in new file mode 100644 index 0000000..35f6df2 --- /dev/null +++ b/src/Makefile.in @@ -0,0 +1,28 @@ +# +# $Header$ +# + +TARGET = pgpool.monitor pgpool +SRCS = pgpool.monitor.in pgpool.in +PGPOOL=@PGPOOL@ +PSQL=@PSQL@ +INSTALL=@INSTALL@ -m 755 +INSTALL_PROGRAM=@INSTALL_PROGRAM@ + +all: pgpool.monitor pgpool + +pgpool.monitor: + sed -e 's#@_PSQL_@#${PSQL}#g' < pgpool.monitor.in | \ + sed -e 's#@_PGPOOL_@#${PGPOOL}#g' > pgpool.monitor +pgpool: + sed -e 's#@_PSQL_@#${PSQL}#g' < pgpool.in | \ + sed -e 's#@_PGPOOL_@#${PGPOOL}#g' > pgpool + +install: all + $(INSTALL_PROGRAM) pgpool /usr/lib/ocf/resource.d/heartbeat/ + $(INSTALL_PROGRAM) pgpool.monitor ${PGPOOL}.monitor + + +clean: + rm pgpool.monitor pgpool + diff --git a/src/pgpool.in b/src/pgpool.in new file mode 100755 index 0000000..64b3aae --- /dev/null +++ b/src/pgpool.in @@ -0,0 +1,146 @@ +#!/bin/sh +# +# OCF style start/stop/monitoring script for pgpool. use with heartbeat 2.0+ . +# +# Author: TANIDA Yutaka(tanida@sraoss.co.jp) +# +# Copyright (c) 2006 SRA OSS, Inc. Japan +# +# Permission to use, copy, modify, and distribute this software and +# its documentation for any purpose and without fee is hereby +# granted, provided that the above copyright notice appear in all +# copies and that both that copyright notice and this permission +# notice appear in supporting documentation, and that the name of the +# author not be used in advertising or publicity pertaining to +# distribution of the software without specific, written prior +# permission. The author makes no representations about the +# suitability of this software for any purpose. It is provided "as +# is" without express or implied warranty. +# +# +# +# defined OCF_RESKEY_value : none +# pgpool.pid file path and default port number will be read +# from this file automatically. + + + +check_pid () { + if [ -f $PGPOOL_PID ] + then + kill -0 `cat $PGPOOL_PID` # >/dev/null 2>&1 + return $? + else + return 1 + fi +} + + + +PATH=/bin:/usr/bin:/sbin:/usr/sbin +export PATH +PGP_CONF=`@_PGPOOL_@ -h 2>&1 | grep default | sed -e 's/ config_file default path: //g'` + +PGPOOL="@_PGPOOL_@ -f $PGP_CONF" +PGPOOL_START_ARG="" +PGPOOL_STOP_ARG=" stop" +PGPOOL_FORCE_STOP_ARG=" -m i $PGPOOL_STOP_ARG" +PGPOOL_MONITOR=@_PGPOOL_@.monitor +PGPOOL_MONITOR_ARGS=--conf=$PGP_CONF localhost >/dev/null 2>&1 +PGPOOL_PID=`grep logdir $PGP_CONF | tr -d "''=" | awk '{print $2."/pgpool.pid"}'` + +# Source function library. +. /etc/rc.d/init.d/functions + +# See how we were called. +case "$1" in + start) + if check_pid + then +# pgpool is already running. + exit 0 + else + su -c "$PGPOOL $PGPOOL_START_ARG" postgres + exit $? + fi + ;; + stop) + if check_pid + then + RET=`su -c "$PGPOOL $PGPOOL_STOP_ARG | grep ERROR" postgres` + if [ -z "$RET" ] ; then + exit 0 + else +# try immediate stop. + RET=`su -c "$PGPOOL $PGPOOL_FORCE_STOP_ARG | grep ERROR " postgres` + if [ -z "$RET" ] ; then + exit 0; + else + exit 1; + fi + fi + else +# not running + exit 0 + fi + ;; + status) + if check_pid + then exit 0 # no error + else exit 2 # not running + fi + ;; + monitor) + if check_pid + then + $PGPOOL_MONITOR $PGPOOL_MONITOR_ARGS + exit $? + else + exit 7 + fi + ;; + methods) + echo start + echo stop + echo status + echo methods + echo monitor + echo recover + echo reload + ;; + recover|reload) + $0 stop + $0 start + exit 0 + ;; + meta-data) +cat < + + + 1.0 + + OCF-spec start , stop ,and monitoring script for pgpool + + pgpool server control. + + + + + + + + + + + + +EOF + exit 0; + ;; + *) + echo "Usage: $0 {start|stop|status|methods|reload|recover|meta-data|monitor}" + exit 1 +esac + +exit 0 diff --git a/src/pgpool.monitor.in b/src/pgpool.monitor.in new file mode 100755 index 0000000..c28ba4e --- /dev/null +++ b/src/pgpool.monitor.in @@ -0,0 +1,171 @@ +#!/usr/bin/perl +# pgsql-pgpool.monitor written by Yutaka tanida (tanida@sraoss.co.jp) +# +# Copyright (c) 2006 SRA OSS, Inc. Japan +# +#Permission to use, copy, modify, and distribute this software and +#its documentation for any purpose and without fee is hereby +#granted, provided that the above copyright notice appear in all +#copies and that both that copyright notice and this permission +#notice appear in supporting documentation, and that the name of the +#author not be used in advertising or publicity pertaining to +#distribution of the software without specific, written prior +#permission. The author makes no representations about the +#suitability of this software for any purpose. It is provided "as +#is" without express or implied warranty. +# +# $Id$ +# +# arguments: +# +# --username=username (postgres) +# --database=database (template1) +# --port= port no (5432) +# hostname +# +# A monitor program suitable for PostgreSQL , pgpool and pglb , load balancer process of PGCluster. +# + +use Getopt::Long; + +sub dprint { + if($options{debug}) { + print @_; + } +} + +GetOptions( \%options,"conf=s","debug=i","retry=i","psql=s","mode=s","port=i", "username=s", "password=s", "database=s" ); + +#if($options{mode} eq "pgpool") { +$query='show pool_status' ; +#}else { +# $query='select 1'; +#} + + +# read some configuration from pgpool.conf + + +unless(!$options{conf}) { + dprint("read form conf"); + open P,$options{conf} || die; + while(

) { + my $c=$_; + $c=~m/^port\s*=\s*(\d+)$/ && do { + dprint("get port number from config $1\n");; + $options{port}=$1; + }; + $c=~m/^health_check_user\s*=\s*'(.*)'$/ && do { + dprint("get health-check user and database name from config $1\n");; + $u=$1; + $options{database}=$u; + $options{username}=$u; + } + } + close(P); +} + + +#default values. + + +$options{port} = 9999 if ! $options{port}; +$options{database} = 'template1' if ! $options{database}; +$options{username} = 'postgres' if ! $options{username}; +$options{psql} = '@_PSQL_@' if ! $options{psql}; +$options{retry} = 3 if ! $options{retry}; +$options{debug} = 0 if ! $options{debug}; + + + + +# checking + +for $host( @ARGV ) { + +# $res is used for error_state checking (0..ok 1..need retry 2..immidiate error); +# 3 .. means internal error. Retry immediately. +# + my $res=1; +#retry count + my $retry = $options{retry}; + do { + my $openstr="$options{psql} -h $host -p $options{port} -U $options{username} -c '$query' $options{database} 2>&1 |"; + + dprint "psql exec: ".$openstr."\n"; + + open(P,$openstr); + while(

) { + + + dprint $_; + +# command execution success. + + ($res=0) if /^\(\d+ row[s]?\)/ ; + if (/server closed the connection unexpectedly/) { + $res=1; + $reason="unexpected backend crash."; + } + +# connection + if (/could not connect to server:/) { + $res=1; + $reason="connection failed." + } + +# 'not found' means something resource was not found. + if (/does not exist/) { + $res=2; + $reason="resource not found" ; + } + +# change mode from pgpool to postgresql if backend can not recognize 'pool_status' parameter. + if (/Option \'pool_status\' is not recognized/) { + $res=3; + $query="select 1"; + $reason="It's not seems pgpool."; + } +# connection full ,it can retry . + if (/backend connection is full/) { + $reason="unexpected connection full." ; + } + +# "starting up" will + if (/is starting up/) { + $reason="too long startup"; + } +# Containing "is recovery" will be recoverying processes. so we can wait long. + if (/is recovery/) { + ++$retry ; + } + } + close(P); + + dprint "result= $res , reason= $reason \n"; + +# res + + if($res==1 && $retry!=1) { + dprint "retry. reason = $reason \n"; + sleep 2; + }elsif($res==3) { + $res=1; + ++$retry; + } + }while ($res==1 && 0<--$retry); + + if ($res!=0) { + push( @failures, "giving up to check database $options{database} on server $host. Reason:".$reason ); + } + +} + +if (@failures) { + print join (", ", sort @failures), "\n"; + dprint("pgpool.monitor failed.\n"); + exit 1; +}; +dprint("pgpool.monitor succeeded.\n"); +exit 0; + -- 2.39.5