mirror of
https://github.com/yavook/kiwi-backup.git
synced 2024-11-22 06:53:00 +00:00
run.sh: quoting bugs, args, func prefixes, readability
This commit is contained in:
parent
8ee3939990
commit
9ad0b72bad
1 changed files with 79 additions and 46 deletions
121
run.sh
121
run.sh
|
|
@ -4,10 +4,12 @@
|
||||||
# CONSTANTS #
|
# CONSTANTS #
|
||||||
#############
|
#############
|
||||||
|
|
||||||
|
# commands
|
||||||
env_exe="$(command -v env)"
|
env_exe="$(command -v env)"
|
||||||
ionice_exe="$(command -v ionice)"
|
ionice_exe="$(command -v ionice)"
|
||||||
duplicity_exe="$(command -v duplicity)"
|
duplicity_exe="$(command -v duplicity)"
|
||||||
|
|
||||||
|
# check if uses encryption
|
||||||
if [ -n "${GPG_KEY_ID}" ]; then
|
if [ -n "${GPG_KEY_ID}" ]; then
|
||||||
# gpg key given
|
# gpg key given
|
||||||
env_changes="PASSPHRASE='${GPG_PASSPHRASE}'"
|
env_changes="PASSPHRASE='${GPG_PASSPHRASE}'"
|
||||||
|
|
@ -22,91 +24,122 @@ fi
|
||||||
# FUNCTIONS #
|
# FUNCTIONS #
|
||||||
#############
|
#############
|
||||||
|
|
||||||
trim_options() {
|
append_options() {
|
||||||
# if args are given, trim whitespace, then add a space in front
|
ao_cmdline="${1}"
|
||||||
if [ -n "${1}" ]; then
|
ao_options="${2}"
|
||||||
echo " $( echo "${1}" | xargs )"
|
shift 1
|
||||||
|
|
||||||
|
# remove leading whitespace characters
|
||||||
|
ao_options="${ao_options#"${ao_options%%[![:space:]]*}"}"
|
||||||
|
# remove trailing whitespace characters
|
||||||
|
ao_options="${ao_options%"${ao_options##*[![:space:]]}"}"
|
||||||
|
|
||||||
|
# if options are given, stitch together with a space
|
||||||
|
if [ -n "${ao_options}" ]; then
|
||||||
|
echo "${ao_cmdline} ${ao_options}"
|
||||||
|
else
|
||||||
|
echo "${ao_cmdline}"
|
||||||
fi
|
fi
|
||||||
}
|
}
|
||||||
|
|
||||||
print_command() {
|
print_command() {
|
||||||
task="${1}"
|
pc_task="${1}"
|
||||||
shift 1
|
shift 1
|
||||||
|
|
||||||
|
# if environment should be changed, call with "env"
|
||||||
if [ -n "${env_changes}" ]; then
|
if [ -n "${env_changes}" ]; then
|
||||||
# should change environment
|
pc_cmdline="${env_exe} ${env_changes} "
|
||||||
cmdline="${env_exe} ${env_changes} "
|
|
||||||
else
|
else
|
||||||
cmdline=""
|
pc_cmdline=""
|
||||||
fi
|
fi
|
||||||
|
|
||||||
cmdline="${cmdline}${ionice_exe} -c 3 ${duplicity_exe} ${encrypt_opts}"
|
pc_cmdline="${pc_cmdline}${ionice_exe} -c 3 ${duplicity_exe} ${encrypt_opts}"
|
||||||
|
|
||||||
case "${task}" in
|
case "${pc_task}" in
|
||||||
backup)
|
backup)
|
||||||
cmdline="${cmdline} --allow-source-mismatch --volsize '${BACKUP_VOLSIZE}' --full-if-older-than '${FULL_BACKUP_FREQUENCY}'"
|
pc_cmdline="${pc_cmdline} --allow-source-mismatch --volsize ${BACKUP_VOLSIZE} --full-if-older-than ${FULL_BACKUP_FREQUENCY}"
|
||||||
cmdline="${cmdline}$( trim_options "${OPTIONS_BACKUP}" )"
|
pc_cmdline="$( append_options "${pc_cmdline}" "${OPTIONS_BACKUP} /backup/source" )"
|
||||||
cmdline="${cmdline} /backup/source"
|
|
||||||
;;
|
;;
|
||||||
|
|
||||||
cleanup)
|
cleanup)
|
||||||
cmdline="${cmdline} cleanup --force"
|
pc_cmdline="${pc_cmdline} cleanup --force"
|
||||||
cmdline="${cmdline}$( trim_options "${OPTIONS_CLEAN}" )"
|
pc_cmdline="$( append_options "${pc_cmdline}" "${OPTIONS_CLEAN}" )"
|
||||||
;;
|
;;
|
||||||
|
|
||||||
rmfull)
|
rmfull)
|
||||||
cmdline="${cmdline} remove-older-than '${BACKUP_RETENTION_TIME}' --force"
|
pc_cmdline="${pc_cmdline} remove-older-than ${BACKUP_RETENTION_TIME} --force"
|
||||||
cmdline="${cmdline}$( trim_options "${OPTIONS_RMFULL}" )"
|
pc_cmdline="$( append_options "${pc_cmdline}" "${OPTIONS_RMFULL}" )"
|
||||||
;;
|
;;
|
||||||
|
|
||||||
rmincr)
|
rmincr)
|
||||||
cmdline="${cmdline} remove-all-inc-of-but-n-full '${KEEP_NUM_FULL_CHAINS}' --force"
|
pc_cmdline="${pc_cmdline} remove-all-inc-of-but-n-full ${KEEP_NUM_FULL_CHAINS} --force"
|
||||||
cmdline="${cmdline}$( trim_options "${OPTIONS_RMINCR}" )"
|
pc_cmdline="$( append_options "${pc_cmdline}" "${OPTIONS_RMINCR}" )"
|
||||||
;;
|
;;
|
||||||
esac
|
esac
|
||||||
|
|
||||||
cmdline="${cmdline} '${BACKUP_TARGET}'"
|
pc_cmdline="${pc_cmdline} ${BACKUP_TARGET}"
|
||||||
echo "${cmdline}"
|
echo "${pc_cmdline}"
|
||||||
}
|
}
|
||||||
|
|
||||||
print_cron_schedule() {
|
print_cron_schedule() {
|
||||||
min="$( echo "${1}" | cut -d' ' -f1 )"
|
pcs_min="$( echo "${1}" | awk '{print $1}' )"
|
||||||
hour="$( echo "${1}" | cut -d' ' -f2 )"
|
pcs_hour="$( echo "${1}" | awk '{print $2}' )"
|
||||||
day="$( echo "${1}" | cut -d' ' -f3 )"
|
pcs_day="$( echo "${1}" | awk '{print $3}' )"
|
||||||
month="$( echo "${1}" | cut -d' ' -f4 )"
|
pcs_month="$( echo "${1}" | awk '{print $4}' )"
|
||||||
weekday="$( echo "${1}" | cut -d' ' -f5 )"
|
pcs_weekday="$( echo "${1}" | awk '{print $5}' )"
|
||||||
command="${2}"
|
pcs_command="${2}"
|
||||||
|
shift 2
|
||||||
|
|
||||||
printf '%-8s%-8s%-8s%-8s%-8s%s' "${min}" "${hour}" "${day}" "${month}" "${weekday}" "${command}"
|
printf '%-8s%-8s%-8s%-8s%-8s%s\n' "${pcs_min}" "${pcs_hour}" "${pcs_day}" "${pcs_month}" "${pcs_weekday}" "${pcs_command}"
|
||||||
}
|
|
||||||
|
|
||||||
print_cron_header() {
|
|
||||||
# don't split the '#' from 'min'
|
|
||||||
print_cron_schedule '#_min hour day month weekday' 'command' | tr '_' ' '
|
|
||||||
}
|
}
|
||||||
|
|
||||||
print_crontab() {
|
print_crontab() {
|
||||||
echo '# crontab generated for kiwi-backup'
|
echo '# crontab generated for kiwi-backup'
|
||||||
printf '# generation time: '; date
|
printf '# generation time: '; date
|
||||||
echo '#'
|
echo '#'
|
||||||
echo "$( print_cron_header )"
|
|
||||||
echo "$( print_cron_schedule "${SCHEDULE_BACKUP}" "$( print_command backup )" )"
|
# don't split the '#' from 'min'
|
||||||
echo "$( print_cron_schedule "${SCHEDULE_CLEANUP}" "$( print_command cleanup )" )"
|
print_cron_schedule '#_min hour day month weekday' 'command' | tr '_' ' '
|
||||||
echo "$( print_cron_schedule "${SCHEDULE_RMFULL}" "$( print_command rmfull )" )"
|
|
||||||
echo "$( print_cron_schedule "${SCHEDULE_RMINCR}" "$( print_command rmincr )" )"
|
print_cron_schedule "${SCHEDULE_BACKUP}" "$( print_command backup )"
|
||||||
|
print_cron_schedule "${SCHEDULE_CLEANUP}" "$( print_command cleanup )"
|
||||||
|
print_cron_schedule "${SCHEDULE_RMFULL}" "$( print_command rmfull )"
|
||||||
|
print_cron_schedule "${SCHEDULE_RMINCR}" "$( print_command rmincr )"
|
||||||
}
|
}
|
||||||
|
|
||||||
########
|
########
|
||||||
# MAIN #
|
# MAIN #
|
||||||
########
|
########
|
||||||
|
|
||||||
if [ "${1}" = '-n' ]; then
|
|
||||||
# dry-run
|
|
||||||
print_crontab
|
|
||||||
exit 0
|
|
||||||
fi
|
|
||||||
|
|
||||||
# replace crontab, start crond
|
if [ "${#}" -gt 0 ]; then
|
||||||
|
# run a command
|
||||||
|
case "${1}" in
|
||||||
|
print-crontab)
|
||||||
|
print_crontab
|
||||||
|
;;
|
||||||
|
|
||||||
|
print-backup|print-cleanup|print-rmfull|print-rmincr)
|
||||||
|
print_command "${1##*-}"
|
||||||
|
;;
|
||||||
|
|
||||||
|
# execute single command
|
||||||
|
backup|cleanup|rmfull|rmincr)
|
||||||
|
print_command "${1}"
|
||||||
|
cmd="$(print_command "${1}")"
|
||||||
|
${cmd}
|
||||||
|
;;
|
||||||
|
|
||||||
|
*)
|
||||||
|
>&2 echo "Unknown command '${1}'."
|
||||||
|
exit 1
|
||||||
|
;;
|
||||||
|
esac
|
||||||
|
|
||||||
|
else
|
||||||
|
# default run: replace crontab, then start crond
|
||||||
print_crontab | crontab -
|
print_crontab | crontab -
|
||||||
crond -fl 8
|
crond -fl 8
|
||||||
|
fi
|
||||||
|
|
||||||
exit 0
|
exit 0
|
||||||
Loading…
Reference in a new issue