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alfred: Add a lightweight framework for running facter scripts that feed data into alfred every 5 minutes

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Alfred expects to be fed data periodically, but there's currently no easy
way to do that from scripts, prompting people to write whole C programs
to accomplish tasks that could easily be scripted.
Provide a really simple framework to run scripts every 5 minutes, using a
cronjob, when alfred is started by the init.d script.

Signed-off-by: Gui Iribarren <gui@altermundi.net>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
This commit is contained in:
Gui Iribarren 2013-10-14 00:01:28 +02:00 committed by Simon Wunderlich
parent ca078f89c2
commit 14f85e7240
2 changed files with 20 additions and 7 deletions
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1
alfred/files/alfred.config
View File

@ -3,5 +3,6 @@ config 'alfred' 'alfred'
option mode 'master'
option batmanif 'bat0'
option start_vis '1'
option run_facters '1'
# REMOVE THIS LINE TO ENABLE ALFRED
option disabled '1'

26
alfred/files/alfred.init
View File

@ -11,6 +11,7 @@ START=99
STOP=99
alfred_args=""
vis_args=""
facters_dir="/etc/alfred"
pid_file_alfred="/var/run/alfred.pid"
pid_file_vis="/var/run/vis.pid"
enable=0
@ -48,6 +49,8 @@ alfred_start()
append vis_args "-i $batmanif -s"
fi
config_get_bool run_facters "$section" run_facters 0
return 0
}
@ -63,12 +66,20 @@ start()
SERVICE_PID_FILE="$pid_file_alfred"
service_start /usr/sbin/alfred ${alfred_args}
if [ "$vis_enable" = "0" ]; then
exit 0
fi
echo "${initscript}: starting vis"
SERVICE_PID_FILE="$pid_file_vis"
service_start /usr/sbin/vis ${vis_args}
if [ "$vis_enable" = "1" ]; then
echo "${initscript}: starting vis"
SERVICE_PID_FILE="$pid_file_vis"
service_start /usr/sbin/vis ${vis_args}
fi
if [ "$run_facters" = "1" ]; then
( for file in $facters_dir/* ; do [ -x $file ] && $file ; done )
if ! ( grep -q "for file in $facters_dir/\* ; do " /etc/crontabs/root 2>/dev/null ) ; then
echo "*/5 * * * * ( for file in $facters_dir/* ; do [ -x \$file ] && \$file ; done )" >> /etc/crontabs/root
/etc/init.d/cron enable
/etc/init.d/cron restart
fi
fi
}
stop()
@ -77,5 +88,6 @@ stop()
service_stop /usr/sbin/alfred
SERVICE_PID_FILE="$pid_file_vis"
[ -x /usr/sbin/vis ] && service_stop /usr/sbin/vis
sed "\|for file in $facters_dir/\* ; do |d" -i /etc/crontabs/root
/etc/init.d/cron restart
}