scripts/github/check.cstate.update

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2020-04-30 11:58:43 +02:00
#!/bin/sh
# Purpose {{{
## Create a temp file (to monitor) if an upgrade is available for cState
## project on Github.
## It's based on the cState URL site to get the current version.
## How-to use {{{
### 1. Needs releasetags script, in the same directory
### cf. https://git.ipr.univ-rennes1.fr/cellinfo/scripts/src/master/github/releasetags
# wget https://git.ipr.univ-rennes1.fr/cellinfo/scripts/raw/master/github/releasetags
### 2. Create a cron job with cState URL as first argument, eg.
#00 20 * * * root /opt/repos/ipr.scripts/github/check_cstate_update https://vmstatus.domain.tld
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### 3. Monitor the temp file: /tmp/.github.cstate.upgrade
# Or enable MAILTO in cronjob and edit the script to print a message.
# Or send a mail.
# …
## }}}
# }}}
# Expect 1 argument {{{
if [ $# -ne 1 ]
then
cat << HELP
check.cstate.update --
Compare current version of an installed cState site and the last available.
EXAMPLE:
- Compare the current version installed on https://vmstatus.domain.tld
check.cstate.update https://vmstatus.domain.tld
HELP
exit 1
fi
# }}}
# Vars {{{
DEBUG=1
script_wd=$(dirname "${0}")
cstate_url="${1}"
cstate_current_version=$(curl --insecure --silent "${cstate_url}" | grep -E 'meta.*generator.*cState.*github.com' | sed 's;.*generator.*content.*cState \(v.*\) - https.*github.com.*;\1;')
cstate_repo_url="https://github.com/cstate/cstate"
cstate_new_version=$("${script_wd}"/releasetags "${cstate_repo_url}" | grep -vE -- '(dev|rc)' | head -n1)
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cstate_new_version_file="/tmp/.github.cstate.upgrade"
# }}}
# Check if the current version is the last one {{{
if [ "${cstate_current_version}" != "${cstate_new_version}" ]; then
[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG: Test version — Current version (${cstate_current_version}) and new one (${cstate_new_version}) seems to be different."
## Create a temp file to monitor
touch -- "${cstate_new_version_file}"
printf '\e[1;35m%-6s\e[m\n' "An upgrade is available for cState (current: ${cstate_current_version}): ${cstate_new_version}." >> "${cstate_new_version_file}"
else
[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG: Test version — The current version is up-to-date."
rm -f -- "${cstate_new_version_file}"
fi
# }}}
exit 0