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diff --git a/heartbeat/Dummy b/heartbeat/Dummy
index c8c22e561..a0929fac0 100755
--- a/heartbeat/Dummy
+++ b/heartbeat/Dummy
@@ -1,180 +1,180 @@
#!/bin/sh
#
#
# Dummy OCF RA. Does nothing but wait a few seconds, can be
# configured to fail occassionally.
#
# Copyright (c) 2004 SUSE LINUX AG, Lars Marowsky-Br馥
# All Rights Reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# Further, this software is distributed without any warranty that it is
# free of the rightful claim of any third person regarding infringement
# or the like. Any license provided herein, whether implied or
# otherwise, applies only to this software file. Patent licenses, if
# any, provided herein do not apply to combinations of this program with
# other software, or any other product whatsoever.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
#
#######################################################################
# Initialization:
: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
#######################################################################
meta_data() {
cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="Dummy" version="0.9">
<version>1.0</version>
<longdesc lang="en">
This is a Dummy Resource Agent. It does absolutely nothing except
keep track of whether its running or not.
Its purpose in life is for testing and to serve as a template for RA writers.
NB: Please pay attention to the timeouts specified in the actions
section below. They should be meaningful for the kind of resource
the agent manages. They should be the minimum advised timeouts,
but they shouldn't/cannot cover _all_ possible resource
instances. So, try to be neither overly generous nor too stingy,
but moderate. The minimum timeouts should never be below 10 seconds.
</longdesc>
<shortdesc lang="en">Example stateless resource agent</shortdesc>
<parameters>
<parameter name="state" unique="1">
<longdesc lang="en">
Location to store the resource state in.
</longdesc>
<shortdesc lang="en">State file</shortdesc>
<content type="string" default="${HA_RSCTMP}/Dummy-${OCF_RESOURCE_INSTANCE}.state" />
</parameter>
<parameter name="fake" unique="0">
<longdesc lang="en">
Fake attribute that can be changed to cause a reload
</longdesc>
<shortdesc lang="en">Fake attribute that can be changed to cause a reload</shortdesc>
<content type="string" default="dummy" />
</parameter>
</parameters>
<actions>
<action name="start" timeout="20" />
<action name="stop" timeout="20" />
<action name="monitor" timeout="20" interval="10" depth="0" />
<action name="reload" timeout="20" />
<action name="migrate_to" timeout="20" />
<action name="migrate_from" timeout="20" />
<action name="meta-data" timeout="5" />
<action name="validate-all" timeout="20" />
</actions>
</resource-agent>
END
}
#######################################################################
dummy_usage() {
cat <<END
usage: $0 {start|stop|monitor|migrate_to|migrate_from|validate-all|meta-data}
Expects to have a fully populated OCF RA-compliant environment set.
END
}
dummy_start() {
dummy_monitor
if [ $? = $OCF_SUCCESS ]; then
return $OCF_SUCCESS
fi
touch ${OCF_RESKEY_state}
}
dummy_stop() {
dummy_monitor
if [ $? = $OCF_SUCCESS ]; then
rm ${OCF_RESKEY_state}
fi
return $OCF_SUCCESS
}
dummy_monitor() {
# Monitor _MUST!_ differentiate correctly between running
# (SUCCESS), failed (ERROR) or _cleanly_ stopped (NOT RUNNING).
# That is THREE states, not just yes/no.
if [ -f ${OCF_RESKEY_state} ]; then
return $OCF_SUCCESS
fi
if false ; then
return $OCF_ERR_GENERIC
fi
- if ! ocf_is_probe; then
+ if ! ocf_is_probe && [ "$__OCF_ACTION" = "monitor" ]; then
# set exit string only when NOT_RUNNING occurs during an actual monitor operation.
- ocf_exit_reason "No process state file found" "monitor"
+ ocf_exit_reason "No process state file found"
fi
return $OCF_NOT_RUNNING
}
dummy_validate() {
# Is the state directory writable?
state_dir=`dirname "$OCF_RESKEY_state"`
touch "$state_dir/$$"
if [ $? != 0 ]; then
ocf_exit_reason "State file \"$OCF_RESKEY_state\" is not writable"
return $OCF_ERR_ARGS
fi
rm "$state_dir/$$"
return $OCF_SUCCESS
}
: ${OCF_RESKEY_state=${HA_RSCTMP}/Dummy-${OCF_RESOURCE_INSTANCE}.state}
: ${OCF_RESKEY_fake="dummy"}
case $__OCF_ACTION in
meta-data) meta_data
exit $OCF_SUCCESS
;;
start) dummy_start;;
stop) dummy_stop;;
monitor) dummy_monitor;;
migrate_to) ocf_log info "Migrating ${OCF_RESOURCE_INSTANCE} to ${OCF_RESKEY_CRM_meta_migrate_target}."
dummy_stop
;;
migrate_from) ocf_log info "Migrating ${OCF_RESOURCE_INSTANCE} from ${OCF_RESKEY_CRM_meta_migrate_source}."
dummy_start
;;
reload) ocf_log info "Reloading ${OCF_RESOURCE_INSTANCE} ..."
;;
validate-all) dummy_validate;;
usage|help) dummy_usage
exit $OCF_SUCCESS
;;
*) dummy_usage
exit $OCF_ERR_UNIMPLEMENTED
;;
esac
rc=$?
ocf_log debug "${OCF_RESOURCE_INSTANCE} $__OCF_ACTION : $rc"
exit $rc
diff --git a/heartbeat/ocf-shellfuncs.in b/heartbeat/ocf-shellfuncs.in
index c9f69802d..e24028a3e 100644
--- a/heartbeat/ocf-shellfuncs.in
+++ b/heartbeat/ocf-shellfuncs.in
@@ -1,830 +1,823 @@
#
#
# Common helper functions for the OCF Resource Agents supplied by
# heartbeat.
#
# Copyright (c) 2004 SUSE LINUX AG, Lars Marowsky-Brテゥe
# All Rights Reserved.
#
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Build version: $Format:%H$
# TODO: Some of this should probably split out into a generic OCF
# library for shell scripts, but for the time being, we'll just use it
# ourselves...
#
# TODO wish-list:
# - Generic function for evaluating version numbers
# - Generic function(s) to extract stuff from our own meta-data
# - Logging function which automatically adds resource identifier etc
# prefixes
# TODO: Move more common functionality for OCF RAs here.
#
# This was common throughout all legacy Heartbeat agents
unset LC_ALL; export LC_ALL
unset LANGUAGE; export LANGUAGE
__SCRIPT_NAME=`basename $0`
# This is internal to shellfuncs.
# When set, ha_log can be used in a way that guarantees
# that stderr will not be printed to. This allows us to
# use ocf_exit_reason to print a string to stderr and use
# ha_log to print the same string to the other log facilities
# without having duplicate messages sent to stderr.
__ha_log_ignore_stderr_once=""
if [ -z "$OCF_ROOT" ]; then
: ${OCF_ROOT=@OCF_ROOT_DIR@}
fi
if [ "$OCF_FUNCTIONS_DIR" = ${OCF_ROOT}/resource.d/heartbeat ]; then # old
unset OCF_FUNCTIONS_DIR
fi
: ${OCF_FUNCTIONS_DIR:=${OCF_ROOT}/lib/heartbeat}
. ${OCF_FUNCTIONS_DIR}/ocf-binaries
. ${OCF_FUNCTIONS_DIR}/ocf-returncodes
. ${OCF_FUNCTIONS_DIR}/ocf-directories
. ${OCF_FUNCTIONS_DIR}/ocf-rarun
# Define OCF_RESKEY_CRM_meta_interval in case it isn't already set,
# to make sure that ocf_is_probe() always works
: ${OCF_RESKEY_CRM_meta_interval=0}
ocf_is_root() {
if [ X`id -u` = X0 ]; then
true
else
false
fi
}
ocf_maybe_random() {
local rnd="$RANDOM"
# Something sane-ish in case a shell doesn't support $RANDOM
[ -n "$rnd" ] || rnd=$$
echo $rnd
}
# Portability comments:
# o The following rely on Bourne "sh" pattern-matching, which is usually
# that for filename generation (note: not regexp).
# o The "*) true ;;" clause is probably unnecessary, but is included
# here for completeness.
# o The negation in the pattern uses "!". This seems to be common
# across many OSes (whereas the alternative "^" fails on some).
# o If an OS is encountered where this negation fails, then a possible
# alternative would be to replace the function contents by (e.g.):
# [ -z "`echo $1 | tr -d '[0-9]'`" ]
#
ocf_is_decimal() {
case "$1" in
""|*[!0-9]*) # empty, or at least one non-decimal
false ;;
*)
true ;;
esac
}
ocf_is_true() {
case "$1" in
yes|true|1|YES|TRUE|ja|on|ON) true ;;
*) false ;;
esac
}
ocf_is_hex() {
case "$1" in
""|*[!0-9a-fA-F]*) # empty, or at least one non-hex
false ;;
*)
true ;;
esac
}
ocf_is_octal() {
case "$1" in
""|*[!0-7]*) # empty, or at least one non-octal
false ;;
*)
true ;;
esac
}
__ocf_set_defaults() {
__OCF_ACTION="$1"
# Return to sanity for the agents...
unset LANG
LC_ALL=C
export LC_ALL
# TODO: Review whether we really should source this. Or rewrite
# to match some emerging helper function syntax...? This imports
# things which no OCF RA should be using...
# Strip the OCF_RESKEY_ prefix from this particular parameter
if [ -z "$OCF_RESKEY_OCF_CHECK_LEVEL" ]; then
: ${OCF_CHECK_LEVEL:=0}
else
: ${OCF_CHECK_LEVEL:=$OCF_RESKEY_OCF_CHECK_LEVEL}
fi
if [ ! -d "$OCF_ROOT" ]; then
ha_log "ERROR: OCF_ROOT points to non-directory $OCF_ROOT."
exit $OCF_ERR_GENERIC
fi
if [ -z "$OCF_RESOURCE_TYPE" ]; then
: ${OCF_RESOURCE_TYPE:=$__SCRIPT_NAME}
fi
if [ -z "$OCF_RA_VERSION_MAJOR" ]; then
: We are being invoked as an init script.
: Fill in some things with reasonable values.
: ${OCF_RESOURCE_INSTANCE:="default"}
return 0
fi
if [ "x$__OCF_ACTION" = "xmeta-data" ]; then
OCF_RESOURCE_INSTANCE="undef"
fi
if [ -z "$OCF_RESOURCE_INSTANCE" ]; then
ha_log "ERROR: Need to tell us our resource instance name."
exit $OCF_ERR_ARGS
fi
}
hadate() {
date "+${HA_DATEFMT}"
}
set_logtag() {
if [ -z "$HA_LOGTAG" ]; then
if [ -n "$OCF_RESOURCE_INSTANCE" ]; then
HA_LOGTAG="$__SCRIPT_NAME($OCF_RESOURCE_INSTANCE)[$$]"
else
HA_LOGTAG="$__SCRIPT_NAME[$$]"
fi
fi
}
ha_log() {
local ignore_stderr="$__ha_log_ignore_stderr_once"
local loglevel
# always reset this variable
__ha_log_ignore_stderr_once=""
[ none = "$HA_LOGFACILITY" ] && HA_LOGFACILITY=""
# if we're connected to a tty, then output to stderr
if tty >/dev/null; then
if [ "x$HA_debug" = "x0" -a "x$loglevel" = xdebug ] ; then
return 0
elif [ "$ignore_stderr" = "true" ]; then
# something already printed this error to stderr, so ignore
return 0
fi
if [ "$HA_LOGTAG" ]; then
echo "$HA_LOGTAG: $*"
else
echo "$*"
fi >&2
return 0
fi
set_logtag
if [ "x${HA_LOGD}" = "xyes" ] ; then
ha_logger -t "${HA_LOGTAG}" "$@"
if [ "$?" -eq "0" ] ; then
return 0
fi
fi
if
[ -n "$HA_LOGFACILITY" ]
then
: logging through syslog
# loglevel is unknown, use 'notice' for now
loglevel=notice
case "${*}" in
*ERROR*) loglevel=err;;
*WARN*) loglevel=warning;;
*INFO*|info) loglevel=info;;
esac
logger -t "$HA_LOGTAG" -p ${HA_LOGFACILITY}.${loglevel} "${*}"
fi
if
[ -n "$HA_LOGFILE" ]
then
: appending to $HA_LOGFILE
echo "$HA_LOGTAG: "`hadate`"${*}" >> $HA_LOGFILE
fi
if
[ -z "$HA_LOGFACILITY" -a -z "$HA_LOGFILE" ] && ! [ "$ignore_stderr" = "true" ]
then
: appending to stderr
echo `hadate`"${*}" >&2
fi
if
[ -n "$HA_DEBUGLOG" ]
then
: appending to $HA_DEBUGLOG
if [ "$HA_LOGFILE"x != "$HA_DEBUGLOG"x ]; then
echo "$HA_LOGTAG: "`hadate`"${*}" >> $HA_DEBUGLOG
fi
fi
}
ha_debug() {
if [ "x${HA_debug}" = "x0" ] ; then
return 0
fi
if tty >/dev/null; then
if [ "$HA_LOGTAG" ]; then
echo "$HA_LOGTAG: $*"
else
echo "$*"
fi >&2
return 0
fi
set_logtag
if [ "x${HA_LOGD}" = "xyes" ] ; then
ha_logger -t "${HA_LOGTAG}" -D "ha-debug" "$@"
if [ "$?" -eq "0" ] ; then
return 0
fi
fi
[ none = "$HA_LOGFACILITY" ] && HA_LOGFACILITY=""
if
[ -n "$HA_LOGFACILITY" ]
then
: logging through syslog
logger -t "$HA_LOGTAG" -p "${HA_LOGFACILITY}.debug" "${*}"
fi
if
[ -n "$HA_DEBUGLOG" ]
then
: appending to $HA_DEBUGLOG
echo "$HA_LOGTAG: "`hadate`"${*}" >> $HA_DEBUGLOG
fi
if
[ -z "$HA_LOGFACILITY" -a -z "$HA_DEBUGLOG" ]
then
: appending to stderr
echo "$HA_LOGTAG: `hadate`${*}: ${HA_LOGFACILITY}" >&2
fi
}
ha_parameter() {
local VALUE
VALUE=`sed -e 's%[ ][ ]*% %' -e 's%^ %%' -e 's%#.*%%' $HA_CF | grep -i "^$1 " | sed 's%[^ ]* %%'`
if
[ "X$VALUE" = X ]
then
case $1 in
keepalive) VALUE=2;;
deadtime)
ka=`ha_parameter keepalive`
VALUE=`expr $ka '*' 2 '+' 1`;;
esac
fi
echo $VALUE
}
ocf_log() {
# TODO: Revisit and implement internally.
if
[ $# -lt 2 ]
then
ocf_log err "Not enough arguments [$#] to ocf_log."
fi
__OCF_PRIO="$1"
shift
__OCF_MSG="$*"
case "${__OCF_PRIO}" in
crit) __OCF_PRIO="CRIT";;
err) __OCF_PRIO="ERROR";;
warn) __OCF_PRIO="WARNING";;
info) __OCF_PRIO="INFO";;
debug)__OCF_PRIO="DEBUG";;
*) __OCF_PRIO=`echo ${__OCF_PRIO}| tr '[a-z]' '[A-Z]'`;;
esac
if [ "${__OCF_PRIO}" = "DEBUG" ]; then
ha_debug "${__OCF_PRIO}: $__OCF_MSG"
else
ha_log "${__OCF_PRIO}: $__OCF_MSG"
fi
}
-
#
# ocf_exit_reason: print exit error string to stderr
# Usage: Allows the OCF script to provide a string
# describing why the exit code was returned.
# Arguments: reason - required, The string that represents why the error
# occured.
-# action_filter - optional, only record this exit string when
-# the action specified by this option is being
-# executed.
#
ocf_exit_reason()
{
- local action_filter=$2
local cookie="$OCF_EXIT_REASON_PREFIX"
+ local fmt=$1
+ if [ $# -lt 1 ]; then
+ ocf_log err "Not enough arguments [$#] to ocf_log_exit_msg."
+ fi
if [ -z "$cookie" ]; then
# use a default prefix
cookie="ocf-exit-reason:"
fi
-
- if [ $# -lt 1 ]; then
- ocf_log err "Not enough arguments [$#] to ocf_log_exit_msg."
- fi
-
- if [ -z "$action_filter" ] || [ "$__OCF_ACTION" = "$action_filter" ]; then
- printf >&2 "%s%s\n" "$cookie" "$1"
- __ha_log_ignore_stderr_once="true"
- ha_log "ERROR: $1"
- fi
+ shift
+ printf >&2 "%s${fmt}\n" "$cookie" "$@"
+ __ha_log_ignore_stderr_once="true"
+ ha_log "ERROR: $1"
}
#
# ocf_deprecated: Log a deprecation warning
# Usage: ocf_deprecated [param-name]
# Arguments: param-name optional, name of a boolean resource
# parameter that can be used to suppress
# the warning (default
# "ignore_deprecation")
ocf_deprecated() {
local param
param=${1:-ignore_deprecation}
# don't use ${!param} here, it's a bashism
if ! ocf_is_true $(eval echo \$OCF_RESKEY_$param); then
ocf_log warn "This resource agent is deprecated" \
"and may be removed in a future release." \
"See the man page for details." \
"To suppress this warning, set the \"${param}\"" \
"resource parameter to true."
fi
}
#
# Ocf_run: Run a script, and log its output.
# Usage: ocf_run [-q] [-info|-warn|-err] <command>
# -q: don't log the output of the command if it succeeds
# -info|-warn|-err: log the output of the command at given
# severity if it fails (defaults to err)
#
ocf_run() {
local rc
local output
local verbose=1
local loglevel=err
local var
for var in 1 2
do
case "$1" in
"-q")
verbose=""
shift 1;;
"-info"|"-warn"|"-err")
loglevel=`echo $1 | sed -e s/-//g`
shift 1;;
*)
;;
esac
done
output=`"$@" 2>&1`
rc=$?
output=`echo $output`
if [ $rc -eq 0 ]; then
if [ "$verbose" -a ! -z "$output" ]; then
ocf_log info "$output"
fi
return $OCF_SUCCESS
else
if [ ! -z "$output" ]; then
ocf_log $loglevel "$output"
else
ocf_log $loglevel "command failed: $*"
fi
return $rc
fi
}
ocf_pidfile_status() {
local pid pidfile=$1
if [ ! -e $pidfile ]; then
# Not exists
return 2
fi
pid=`cat $pidfile`
kill -0 $pid 2>&1 > /dev/null
if [ $? = 0 ]; then
return 0
fi
# Stale
return 1
}
ocf_take_lock() {
local lockfile=$1
local rnd=$(ocf_maybe_random)
sleep 0.$rnd
while
ocf_pidfile_status $lockfile
do
ocf_log info "Sleeping until $lockfile is released..."
sleep 0.$rnd
done
echo $$ > $lockfile
}
ocf_release_lock_on_exit() {
local lockfile=$1
trap "rm -f $lockfile" EXIT
}
# returns true if the CRM is currently running a probe. A probe is
# defined as a monitor operation with a monitoring interval of zero.
ocf_is_probe() {
[ "$__OCF_ACTION" = "monitor" -a "$OCF_RESKEY_CRM_meta_interval" = 0 ]
}
# returns true if the resource is configured as a clone. This is
# defined as a resource where the clone-max meta attribute is present,
# and set to greater than zero.
ocf_is_clone() {
[ ! -z "${OCF_RESKEY_CRM_meta_clone_max}" ] && [ "${OCF_RESKEY_CRM_meta_clone_max}" -gt 0 ]
}
# returns true if the resource is configured as a multistate
# (master/slave) resource. This is defined as a resource where the
# master-max meta attribute is present, and set to greater than zero.
ocf_is_ms() {
[ ! -z "${OCF_RESKEY_CRM_meta_master_max}" ] && [ "${OCF_RESKEY_CRM_meta_master_max}" -gt 0 ]
}
# version check functions
# allow . and - to delimit version numbers
# max version number is 999
# letters and such are effectively ignored
#
ocf_is_ver() {
echo $1 | grep '^[0-9][0-9.-]*[0-9]$' >/dev/null 2>&1
}
ocf_ver2num() {
echo $1 | awk -F'[.-]' '
{for(i=1; i<=NF; i++) s=s*1000+$i; print s}
'
}
ocf_ver_level(){
echo $1 | awk -F'[.-]' '{print NF}'
}
ocf_ver_complete_level(){
local ver="$1"
local level="$2"
local i=0
while [ $i -lt $level ]; do
ver=${ver}.0
i=`expr $i + 1`
done
echo $ver
}
# usage: ocf_version_cmp VER1 VER2
# version strings can contain digits, dots, and dashes
# must start and end with a digit
# returns:
# 0: VER1 smaller (older) than VER2
# 1: versions equal
# 2: VER1 greater (newer) than VER2
# 3: bad format
ocf_version_cmp() {
ocf_is_ver "$1" || return 3
ocf_is_ver "$2" || return 3
local v1=$1
local v2=$2
local v1_level=`ocf_ver_level $v1`
local v2_level=`ocf_ver_level $v2`
local level_diff
if [ $v1_level -lt $v2_level ]; then
level_diff=`expr $v2_level - $v1_level`
v1=`ocf_ver_complete_level $v1 $level_diff`
elif [ $v1_level -gt $v2_level ]; then
level_diff=`expr $v1_level - $v2_level`
v2=`ocf_ver_complete_level $v2 $level_diff`
fi
v1=`ocf_ver2num $v1`
v2=`ocf_ver2num $v2`
if [ $v1 -eq $v2 ]; then
return 1
elif [ $v1 -lt $v2 ]; then
return 0
else
return 2 # -1 would look funny in shell ;-)
fi
}
ocf_local_nodename() {
# use crm_node -n for pacemaker > 1.1.8
which pacemakerd > /dev/null 2>&1
if [ $? -eq 0 ]; then
local version=$(pacemakerd -$ | grep "Pacemaker .*" | awk '{ print $2 }')
version=$(echo $version | awk -F- '{ print $1 }')
ocf_version_cmp "$version" "1.1.8"
if [ $? -eq 2 ]; then
which crm_node > /dev/null 2>&1
if [ $? -eq 0 ]; then
crm_node -n
return
fi
fi
fi
# otherwise use uname -n
uname -n
}
# usage: dirname DIR
dirname()
{
local a
local b
[ $# = 1 ] || return 1
a="$1"
while [ 1 ]; do
b="${a%/}"
[ "$a" = "$b" ] && break
a="$b"
done
b=${a%/*}
[ -z "$b" -o "$a" = "$b" ] && b="."
echo "$b"
return 0
}
#
# pseudo_resource status tracking function...
#
# This allows pseudo resources to give correct status information. As we add
# resource monitoring, and better resource tracking in general, this will
# become essential.
#
# These scripts work because ${HA_RSCTMP} is cleaned out every time
# heartbeat is started.
#
# We create "resource-string" tracking files under ${HA_RSCTMP} in a
# very simple way:
#
# Existence of "${HA_RSCTMP}/resource-string" means that we consider
# the resource named by "resource-string" to be running.
#
# Note that "resource-string" needs to be unique. Using the resource type
# plus the resource instance arguments to make up the resource string
# is probably sufficient...
#
# usage: ha_pseudo_resource resource-string op [tracking_file]
# where op is {start|stop|monitor|status|restart|reload|print}
# print is a special op which just prints the tracking file location
# user can override our choice of the tracking file location by
# specifying it as the third arg
# Note that all operations are silent...
#
ha_pseudo_resource()
{
local ha_resource_tracking_file="${3:-${HA_RSCTMP}/$1}"
case $2 in
start|restart|reload) touch "$ha_resource_tracking_file";;
stop) rm -f "$ha_resource_tracking_file";;
status|monitor)
if
[ -f "$ha_resource_tracking_file" ]
then
return 0
else
case $2 in
status) return 3;;
*) return 7;;
esac
fi;;
print) echo "$ha_resource_tracking_file";;
*) return 3;;
esac
}
# usage: rmtempdir TMPDIR
rmtempdir()
{
[ $# = 1 ] || return 1
if [ -e "$1" ]; then
rmdir "$1" || return 1
fi
return 0
}
# usage: maketempfile [-d]
maketempfile()
{
if [ $# = 1 -a "$1" = "-d" ]; then
mktemp -d
return -0
elif [ $# != 0 ]; then
return 1
fi
mktemp
return 0
}
# usage: rmtempfile TMPFILE
rmtempfile ()
{
[ $# = 1 ] || return 1
if [ -e "$1" ]; then
rm "$1" || return 1
fi
return 0
}
# echo the first lower supported check level
# pass set of levels supported by the agent
# (in increasing order, 0 is optional)
ocf_check_level()
{
local lvl prev
lvl=0
prev=0
if ocf_is_decimal "$OCF_CHECK_LEVEL"; then
# the level list should be very short
for lvl; do
if [ "$lvl" -eq "$OCF_CHECK_LEVEL" ]; then
break
elif [ "$lvl" -gt "$OCF_CHECK_LEVEL" ]; then
lvl=$prev # the previous one
break
fi
prev=$lvl
done
fi
echo $lvl
}
# usage: ocf_stop_processes SIGNALS WAIT_TIME PIDS
#
# we send signals (use quotes for more than one!) in the order
# given; if one or more processes are still running we try KILL;
# the wait_time is the _total_ time we'll spend in this function
# this time may be slightly exceeded if the processes won't leave
#
# returns:
# 0: all processes left
# 1: some processes still running
#
# example:
#
# ocf_stop_processes TERM 5 $pids
#
ocf_stop_processes() {
local signals="$1"
local wait_time="$(($2/`echo $signals|wc -w`))"
shift 2
local pids="$*"
local sig i
test -z "$pids" &&
return 0
for sig in $signals KILL; do
kill -s $sig $pids 2>/dev/null
# try to leave early, and yet leave processes time to exit
sleep 0.2
for i in `seq $wait_time`; do
kill -s 0 $pids 2>/dev/null ||
return 0
sleep 1
done
done
return 1
}
#
# RA tracing may be turned on by setting OCF_TRACE_RA
# the trace output will be saved to OCF_TRACE_FILE, if set, or
# by default to
# $HA_VARLIB/trace_ra/<type>/<id>.<action>.<timestamp>
# e.g. $HA_VARLIB/trace_ra/oracle/db.start.2012-11-27.08:37:08
#
# OCF_TRACE_FILE:
# - FD (small integer [3-9]) in that case it is up to the callers
# to capture output; the FD _must_ be open for writing
# - absolute path
#
# NB: FD 9 may be used for tracing with bash >= v4 in case
# OCF_TRACE_FILE is set to a path.
#
ocf_is_bash4() {
echo "$SHELL" | grep bash > /dev/null &&
[ ${BASH_VERSINFO[0]} = "4" ]
}
ocf_trace_redirect_to_file() {
local dest=$1
if ocf_is_bash4; then
exec 9>$dest
BASH_XTRACEFD=9
else
exec 2>$dest
fi
}
ocf_trace_redirect_to_fd() {
local fd=$1
if ocf_is_bash4; then
BASH_XTRACEFD=$fd
else
exec 2>&$fd
fi
}
__ocf_test_trc_dest() {
local dest=$1
if ! touch $dest; then
ocf_log warn "$dest not writable, trace not going to happen"
__OCF_TRC_DEST=""
__OCF_TRC_MANAGE=""
return 1
fi
return 0
}
ocf_default_trace_dest() {
tty >/dev/null && return
if [ -n "$OCF_RESOURCE_TYPE" -a \
-n "$OCF_RESOURCE_INSTANCE" -a -n "$__OCF_ACTION" ]; then
local ts=`date +%F.%T`
__OCF_TRC_DEST=$HA_VARLIB/trace_ra/${OCF_RESOURCE_TYPE}/${OCF_RESOURCE_INSTANCE}.${__OCF_ACTION}.$ts
__OCF_TRC_MANAGE="1"
fi
}
ocf_start_trace() {
export __OCF_TRC_DEST="" __OCF_TRC_MANAGE=""
case "$OCF_TRACE_FILE" in
[3-9]) ocf_trace_redirect_to_fd "$OCF_TRACE_FILE" ;;
/*/*) __OCF_TRC_DEST=$OCF_TRACE_FILE ;;
"") ocf_default_trace_dest ;;
*)
ocf_log warn "OCF_TRACE_FILE must be set to either FD (open for writing) or absolute file path"
ocf_default_trace_dest
;;
esac
if [ "$__OCF_TRC_DEST" ]; then
mkdir -p `dirname $__OCF_TRC_DEST`
__ocf_test_trc_dest $__OCF_TRC_DEST ||
return
ocf_trace_redirect_to_file "$__OCF_TRC_DEST"
fi
PS4='+ `date +"%T"`: ${FUNCNAME[0]:+${FUNCNAME[0]}:}${LINENO}: '
set -x
}
ocf_stop_trace() {
set +x
}
__ocf_set_defaults "$@"
: ${OCF_TRACE_RA:=$OCF_RESKEY_trace_ra}
ocf_is_true "$OCF_TRACE_RA" && ocf_start_trace

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