docker-mailserver/target/scripts/update-check.sh
Georg Lauterbach 555fbb78c4
feature: provide better rspamd suppport (#3016)
* added options to toggle OpenDKIM & OpenDMARC

rspamd can provide DKIM signing and DMARC checking itself, so users
should be able to disable OpenDKIM & OpenDMARC. The default is left at
1, so users have to to opt-in when the want to disable the features.

* misc small enhancements

* adjusted start of rspamd

The order of starting redis + rspamd was reversed (now correct) and
rspamd now starts with the correct user.

* adjusted rspamd core configuration

The main configuration was revised. This includes AV configuration as
well as worker/proxy/controller configuration used to control the main
rspamd processes.

The configuration is not tested extensively, but well enough that I am
confident to go forward with it until we declare rspamd support as
stable.

* update & improve the documentation

* add tests

These are some initial tests which test the most basic functionality.

* tests(refactor): Improve consistency and documentation for test helpers (#3012)

* added `ALWAYS_RUN` target `Makefile` recipies (#3013)

This ensures the recipies are always run.

Co-authored-by: georglauterbach <44545919+georglauterbach@users.noreply.github.com>

* adjusted rspamd test to refactored test helper functions

* improve documentation

* apply suggestions from code review (no. 1 by @polarthene)

Co-authored-by: Brennan Kinney <5098581+polarathene@users.noreply.github.com>

* streamline heredoc (EOM -> EOF)

* adjust rspamd test (remove unnecessary run arguments)

Co-authored-by: Brennan Kinney <5098581+polarathene@users.noreply.github.com>
2023-01-25 10:28:59 +01:00

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#!/bin/bash
# shellcheck source=./helpers/log.sh
source /usr/local/bin/helpers/log.sh
VERSION=$(</VERSION)
VERSION_URL='https://raw.githubusercontent.com/docker-mailserver/docker-mailserver/master/VERSION'
CHANGELOG_URL='https://github.com/docker-mailserver/docker-mailserver/blob/master/CHANGELOG.md'
# check for correct syntax
# number + suffix. suffix must be 's' for seconds, 'm' for minutes, 'h' for hours or 'd' for days.
if [[ ! ${UPDATE_CHECK_INTERVAL} =~ ^[0-9]+[smhd]{1}$ ]]
then
_log_with_date 'warn' "Invalid 'UPDATE_CHECK_INTERVAL' value '${UPDATE_CHECK_INTERVAL}'"
_log_with_date 'warn' 'Falling back to daily update checks'
UPDATE_CHECK_INTERVAL='1d'
fi
while true
do
# get remote version information
LATEST=$(curl -Lsf "${VERSION_URL}")
# did we get a valid response?
if [[ ${LATEST} =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]
then
_log_with_date 'debug' 'Remote version information fetched'
# compare versions
if dpkg --compare-versions "${VERSION}" lt "${LATEST}"
then
# send mail notification to postmaster
read -r -d '' MAIL << EOF
Hello ${POSTMASTER_ADDRESS}!
There is a docker-mailserver update available on your host: $(hostname -f)
Current version: ${VERSION}
Latest version: ${LATEST}
Changelog: ${CHANGELOG_URL}
EOF
_log_with_date 'info' "Update available [ ${VERSION} --> ${LATEST} ]"
# only notify once
echo "${MAIL}" | mail -s "Mailserver update available! [ ${VERSION} --> ${LATEST} ]" "${POSTMASTER_ADDRESS}" && exit 0
else
_log_with_date 'info' 'No update available'
fi
else
_log_with_date 'warn' 'Update check failed'
fi
# check again in 'UPDATE_CHECK_INTERVAL' time
sleep "${UPDATE_CHECK_INTERVAL}"
done