mirror of
https://github.com/YunoHost-Apps/linuxdash_ynh.git
synced 2024-09-03 19:36:07 +02:00
88 lines
No EOL
2.9 KiB
Bash
Executable file
88 lines
No EOL
2.9 KiB
Bash
Executable file
#!/bin/bash
|
|
######
|
|
# Credit: http://stackoverflow.com/questions/134906/how-do-i-list-all-cron-jobs-for-all-users#answer-137173
|
|
######
|
|
|
|
catCmd=`which cat`
|
|
awkCmd=`which awk`
|
|
sedCmd=`which sed`
|
|
egrepCmd=`which egrep`
|
|
echoCmd=`which echo`
|
|
crontabCmd=`which crontab`
|
|
|
|
# System-wide crontab file and cron job directory. Change these for your system.
|
|
CRONTAB='/etc/crontab'
|
|
CRONDIR='/etc/cron.d'
|
|
|
|
# Single tab character. Annoyingly necessary.
|
|
tab=$(echo -en "\t")
|
|
|
|
# Given a stream of crontab lines, exclude non-cron job lines, replace
|
|
# whitespace characters with a single space, and remove any spaces from the
|
|
# beginning of each line.
|
|
function clean_cron_lines() {
|
|
while read line ; do
|
|
$echoCmd "${line}" |
|
|
$egrepCmd --invert-match '^($|\s*#|\s*[[:alnum:]_]+=)' |
|
|
$sedCmd --regexp-extended "s/\s+/ /g" |
|
|
$sedCmd --regexp-extended "s/^ //"
|
|
done;
|
|
}
|
|
|
|
# Given a stream of cleaned crontab lines, $echoCmd any that don't include the
|
|
# run-parts command, and for those that do, show each job file in the run-parts
|
|
# directory as if it were scheduled explicitly.
|
|
function lookup_run_parts() {
|
|
while read line ; do
|
|
match=$($echoCmd "${line}" | $egrepCmd -o 'run-parts (-{1,2}\S+ )*\S+')
|
|
|
|
if [[ -z "${match}" ]] ; then
|
|
$echoCmd "${line}"
|
|
else
|
|
cron_fields=$($echoCmd "${line}" | cut -f1-6 -d' ')
|
|
cron_job_dir=$($echoCmd "${match}" | awk '{print $NF}')
|
|
|
|
if [[ -d "${cron_job_dir}" ]] ; then
|
|
for cron_job_file in "${cron_job_dir}"/* ; do # */ <not a comment>
|
|
[[ -f "${cron_job_file}" ]] && $echoCmd "${cron_fields} ${cron_job_file}"
|
|
done
|
|
fi
|
|
fi
|
|
done;
|
|
}
|
|
|
|
# Temporary file for crontab lines.
|
|
temp=$(mktemp) || exit 1
|
|
|
|
# Add all of the jobs from the system-wide crontab file.
|
|
$catCmd "${CRONTAB}" | clean_cron_lines | lookup_run_parts >"${temp}"
|
|
|
|
# Add all of the jobs from the system-wide cron directory.
|
|
$catCmd "${CRONDIR}"/* | clean_cron_lines >>"${temp}" # */ <not a comment>
|
|
|
|
# Add each user's crontab (if it exists). Insert the user's name between the
|
|
# five time fields and the command.
|
|
while read user ; do
|
|
$crontabCmd -l -u "${user}" 2>/dev/null |
|
|
clean_cron_lines |
|
|
$sedCmd --regexp-extended "s/^((\S+ +){5})(.+)$/\1${user} \3/" >>"${temp}"
|
|
done < <(cut --fields=1 --delimiter=: /etc/passwd)
|
|
|
|
# Output the collected crontab lines.
|
|
|
|
## Changes: Parses output into JSON
|
|
|
|
$catCmd "${temp}" \
|
|
| awk 'BEGIN {print "["} \
|
|
{print "{ \"min(s)\": \"" $1 \
|
|
"\", \"hours(s)\": \"" $2 "\", " \
|
|
" \"day(s)\": \"" $3 "\", " \
|
|
" \"month\": \"" $4 "\", " \
|
|
" \"weekday\": \"" $5 "\", " \
|
|
" \"user\": \"" $6 "\", " \
|
|
" \"command\": \"" $7$8$9$10 "\" " \
|
|
"}," } \
|
|
END {print "]"}' \
|
|
| $sedCmd 'N;$s/,\n/\n/;P;D'
|
|
|
|
rm --force "${temp}" |