new type __cron: installs and manages cron jobs
Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>
This commit is contained in:
Steven Armstrong
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#!/bin/sh
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#
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# 2011 Steven Armstrong (steven-cdist at armstrong.cc)
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#
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# This file is part of cdist.
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#
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# cdist is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# cdist is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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name="$__object_id"
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user="$(cat "$__object/parameter/user")"
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prefix="#cdist:__cron/$name"
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suffix="#/cdist:__cron/$name"
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crontab -u $user -l | awk -v prefix="$prefix" -v suffix="$suffix" '
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{
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if (index($0,prefix)) {
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triggered=1
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}
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if (triggered) {
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if (index($0,suffix)) {
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triggered=0
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}
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print
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}
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}
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'
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#!/bin/sh
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#
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# 2011 Steven Armstrong (steven-cdist at armstrong.cc)
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#
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# This file is part of cdist.
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#
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# cdist is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# cdist is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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user="$(cat "$__object/parameter/user")"
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state_should="$(cat "$__object/parameter/state")"
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state_is=$(cmp --quiet "$__object/parameter/entry" "$__object/explorer/entry" \
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&& echo present \
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|| echo absent
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)
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if [ "$state_is" != "$state_should" ]; then
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case "$state_should" in
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present)
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cat << DONE
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tmp=\$(mktemp)
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crontab -u $user -l > \$tmp
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cat >> \$tmp << EOC
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$(cat "$__object/parameter/entry")"
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EOC
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crontab -u $user \$tmp
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rm \$tmp
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DONE
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;;
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absent)
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# defined in type manifest
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prefix="$(cat "$__object/parameter/prefix")"
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suffix="$(cat "$__object/parameter/suffix")"
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cat << DONE
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crontab -u $user -l | awk -v prefix="$prefix" -v suffix="$suffix" '
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{
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if (index(\$0,prefix)) {
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triggered=1
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}
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if (triggered) {
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if (index(\$0,suffix)) {
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triggered=0
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}
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} else {
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print
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}
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}
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' | crontab -u $user -
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DONE
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;;
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esac
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fi
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cdist-type__cron(7)
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===================
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Steven Armstrong <steven-cdist--@--armstrong.cc>
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NAME
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----
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cdist-type__cron - installs and manages cron jobs
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DESCRIPTION
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-----------
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This cdist type allows you to manage entries in a users crontab.
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REQUIRED PARAMETERS
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-------------------
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user::
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The user who's crontab is edited
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command::
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The command to run.
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OPTIONAL PARAMETERS
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-------------------
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state::
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Either present or absent. Defaults to present.
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minute::
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See crontab(5). Defaults to *
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hour::
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See crontab(5). Defaults to *
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day_of_month::
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See crontab(5). Defaults to *
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month::
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See crontab(5). Defaults to *
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day_of_week::
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See crontab(5). Defaults to *
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EXAMPLES
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--------
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--------------------------------------------------------------------------------
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# add cronjob
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__cron some-id --user root --command "/path/to/script"
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# remove cronjob
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__cron some-id --user root --command "/path/to/script" --state absent
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--------------------------------------------------------------------------------
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SEE ALSO
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--------
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- cdist-type(7)
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- crontab(5)
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COPYING
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-------
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Copyright \(C) 2011 Steven Armstrong. Free use of this software is
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granted under the terms of the GNU General Public License version 3 (GPLv3).
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@ -0,0 +1,66 @@
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#!/bin/sh
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#
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# 2011 Steven Armstrong (steven-cdist at armstrong.cc)
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#
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# This file is part of cdist.
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#
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# cdist is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# cdist is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with cdist. If not, see <http://www.gnu.org/licenses/>.
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#
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name="$__object_id"
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user="$(cat "$__object/parameter/user")"
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command="$(cat "$__object/parameter/command")"
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# set defaults
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if [ ! -f "$__object/parameter/state" ]; then
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echo "present" > "$__object/parameter/state"
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fi
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if [ -f "$__object/parameter/minute" ]; then
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minute="$(cat "$__object/parameter/minute")"
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else
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minute="*"
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echo "$minute" > "$__object/parameter/minute"
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fi
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if [ -f "$__object/parameter/hour" ]; then
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hour="$(cat "$__object/parameter/hour")"
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else
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hour="*"
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echo "$hour" > "$__object/parameter/hour"
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fi
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if [ -f "$__object/parameter/day_of_month" ]; then
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day_of_month="$(cat "$__object/parameter/day_of_month")"
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else
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day_of_month="*"
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echo "$day_of_month" > "$__object/parameter/day_of_month"
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fi
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if [ -f "$__object/parameter/month" ]; then
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month="$(cat "$__object/parameter/month")"
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else
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month="*"
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echo "$month" > "$__object/parameter/month"
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fi
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if [ -f "$__object/parameter/day_of_week" ]; then
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day_of_week="$(cat "$__object/parameter/day_of_week")"
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else
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day_of_week="*"
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echo "$day_of_week" > "$__object/parameter/day_of_week"
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fi
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# NOTE: if changed, also change in explorers
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prefix="#cdist:__cron/$name"
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suffix="#/cdist:__cron/$name"
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echo "$prefix" | tee "$__object/parameter/prefix" > "$__object/parameter/entry"
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echo "$minute $hour $day_of_month $month $day_of_week $command" >> "$__object/parameter/entry"
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echo "$suffix" | tee "$__object/parameter/suffix" >> "$__object/parameter/entry"
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@ -0,0 +1,6 @@
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state
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minute
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hour
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day_of_month
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month
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day_of_week
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@ -0,0 +1,2 @@
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user
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command
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