base: add update-evobackup-canary script

This commit is contained in:
Jérémy Dubois 2022-06-09 15:06:16 +02:00
parent f4e07b4578
commit ab7cc1189f
3 changed files with 143 additions and 0 deletions

View File

@ -15,6 +15,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- nagios-nrpe: add a check dhcp_pool
- collectd: add dhcp_pool.pl script
- base: add a "next_part" before executing evobackup in daily.local file
- base: add update-evobackup-canary script
### Changed

View File

@ -0,0 +1,129 @@
#!/bin/sh
PROGNAME="update-evobackup-canary"
REPOSITORY="https://gitea.evolix.org/evolix/evobackup"
VERSION="22.05"
readonly VERSION
# base functions
show_version() {
cat <<END
${PROGNAME} version ${VERSION}
Copyright 2022 Evolix <info@evolix.fr>,
Jérémy Lecour <jlecour@evolix.fr>,
and others.
${REPOSITORY}
${PROGNAME} comes with ABSOLUTELY NO WARRANTY. This is free software,
and you are welcome to redistribute it under certain conditions.
See the GNU General Public License v3.0 for details.
END
}
show_help() {
cat <<END
${PROGNAME} is updating a canary file for evobackup.
Usage: ${PROGNAME} [OPTIONS]
Main options
-w, --who who has updated the file (default: logname())
-f, --file path of the canary file (default: /zzz_evobackup_canary)
-V, --version print version and exit
-h, --help print this message and exit
END
}
main() {
if [ -z "${who:-}" ]; then
who=$(logname)
fi
if [ -z "${canary_file:-}" ]; then
canary_file="/zzz_evobackup_canary"
fi
# This option is supported since (at least) Debian 8
date=$(date --iso-8601=seconds)
printf "%s %s\n" "${date}" "${who}" >> "${canary_file}"
}
# parse options
# based on https://gist.github.com/deshion/10d3cb5f88a21671e17a
while :; do
case $1 in
-h|-\?|--help)
show_help
exit 0
;;
-V|--version)
show_version
exit 0
;;
-w|--who)
# with value separated by space
if [ -n "$2" ]; then
who=$2
shift
else
printf 'ERROR: "-w|--who" requires a non-empty option argument.\n' >&2
exit 1
fi
;;
--who=?*)
# with value speparated by =
who=${1#*=}
;;
--who=)
# without value
printf 'ERROR: "--who" requires a non-empty option argument.\n' >&2
exit 1
;;
-f|--file)
# with value separated by space
if [ -n "$2" ]; then
canary_file=$2
shift
else
printf 'ERROR: "-f|--file" requires a non-empty option argument.\n' >&2
exit 1
fi
;;
--file=?*)
# with value speparated by =
canary_file=${1#*=}
;;
--file=)
# without value
printf 'ERROR: "--file" requires a non-empty option argument.\n' >&2
exit 1
;;
--)
# End of all options.
shift
break
;;
-?*)
# ignore unknown options
printf 'WARN: Unknown option : %s\n' "$1" >&2
exit 1
;;
*)
# Default case: If no more options then break out of the loop.
break
;;
esac
shift
done
export LC_ALL=C
set -u
main

View File

@ -7,3 +7,16 @@
owner: root
group: wheel
mode: "0750"
tags:
- utils
- name: update-evobackup-canary script is present
copy:
src: "update-evobackup-canary"
dest: /usr/local/bin/update-evobackup-canary
force: true
owner: root
group: wheel
mode: "0755"
tags:
- utils