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Code Issues Releases Activity

Add an ability to start several carbon instances.

Browse Source 
This may be useful to balance load between CPU cores or to
listen on IPv6 [::] in addition to IPv4 *.

PR:		198734
Submitted by:	Gennady Karpov <gekar@yandex-team.ru>
Approved by:	maintainer
This commit is contained in:
Dmitry Sivachenko 2015-03-30 15:55:27 +00:00
parent d181cdd827
commit d578904879
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=382681
1 changed files with 40 additions and 3 deletions
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43
databases/py-carbon/files/carbon.in
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@ -12,6 +12,8 @@
#
# carbon_enable (bool): Set to NO by default.
# Set it to YES to enable it.
# carbon_instances: Empty by default (start single instance).
# Space-separated list of instances to start.
# carbon_conf: File where carbon configuration resides
# Default: %%PREFIX%%/etc/carbon/carbon.conf
# carbon_user: The user account carbon daemon runs as what
@ -35,26 +37,61 @@ rcvar=carbon_enable
load_rc_config ${name}
: ${carbon_enable:=NO}
: ${carbon_instances:=""}
: ${carbon_user:=root}
: ${carbon_group:=wheel}
: ${carbon_conf:=%%PREFIX%%/etc/carbon/carbon.conf}
: ${carbon_debug:=NO}
: ${carbon_logdir:=/var/db/carbon/log/}
: ${pidfile:=/var/run/carbon.pid}
: ${carbon_pidfile:=/var/run/carbon.pid}
is_carbon_instance() {
local instance
for instance in ${carbon_instances}; do
if [ "${instance}" = "$1" ]; then
return 0
fi
done
return 1
}
if [ -n "${carbon_instances}" ]; then
if [ -n "$2" ]; then
instance="$2"
if ! is_carbon_instance ${instance}; then
echo "$0: no such instance defined in carbon_instances."
exit 1
fi
instance_arg="--instance=${instance}"
eval carbon_user=\${carbon_${instance}_user:-"${carbon_user}"}
eval carbon_group=\${carbon_${instance}_group:-"${carbon_group}"}
eval carbon_conf=\${carbon_${instance}_conf:-"${carbon_conf}"}
eval carbon_debug=\${carbon_${instance}_debug:-"${carbon_debug}"}
eval carbon_logdir=\${carbon_${instance}_logdir:-"${carbon_logdir}"}
eval carbon_pidfile=\${carbon_${instance}_pidfile:-"/var/run/carbon-${instance}.pid"}
elif [ -n "$1" ]; then
for instance in ${carbon_instances}; do
echo "Processing carbon instance: ${instance}"
/usr/local/etc/rc.d/carbon $1 ${instance}
done
exit 0
fi
fi
stop_cmd="${name}_stop"
required_files="${carbon_conf} %%PREFIX%%/etc/carbon/storage-schemas.conf"
pidfile=${carbon_pidfile}
command_interpreter="%%PREFIX%%/bin/python2.7"
command="%%PREFIX%%/bin/carbon-cache.py"
command_args="--config=${carbon_conf} --logdir ${carbon_logdir} --pidfile ${pidfile} start"
command_args="--config=${carbon_conf} ${instance_arg} --logdir ${carbon_logdir} --pidfile ${pidfile} start"
carbon_stop()
{
echo "Stopping $name"
pids=`check_pidfile ${pidfile} ${command} ${command_interpreter}`
%%PREFIX%%/bin/carbon-cache.py --config=${carbon_conf} --pidfile ${pidfile} stop
%%PREFIX%%/bin/carbon-cache.py --config=${carbon_conf} ${instance_arg} --pidfile ${pidfile} stop
wait_for_pids ${pids}
}