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[Watchdog] Watch replication, if any (unsupported)

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This commit is contained in:
andryyy
2020-04-14 12:48:57 +02:00
parent d86be26387
commit 5944595be3
5 changed files with 79 additions and 5 deletions
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1
data/Dockerfiles/dovecot/Dockerfile
View File

@@ -117,6 +117,7 @@ COPY supervisord.conf /etc/supervisor/supervisord.conf
COPY stop-supervisor.sh /usr/local/sbin/stop-supervisor.sh
COPY quarantine_notify.py /usr/local/bin/quarantine_notify.py
COPY quota_notify.py /usr/local/bin/quota_notify.py
COPY repl_health.sh /usr/local/bin/repl_health.sh
ENTRYPOINT ["/docker-entrypoint.sh"]
CMD exec /usr/bin/supervisord -c /etc/supervisor/supervisord.conf

10
data/Dockerfiles/dovecot/docker-entrypoint.sh
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@@ -285,7 +285,8 @@ chmod +x /usr/lib/dovecot/sieve/rspamd-pipe-ham \
/usr/local/bin/clean_q_aged.sh \
/usr/local/bin/maildir_gc.sh \
/usr/local/sbin/stop-supervisor.sh \
/usr/local/bin/quota_notify.py
/usr/local/bin/quota_notify.py \
/usr/local/bin/repl_health.sh
if [[ "${MASTER}" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
# Setup cronjobs
@@ -297,14 +298,17 @@ echo '30 1 * * * root /usr/local/bin/sa-rules.sh >> /dev/console 2>&1' > /et
echo '0 2 * * * root /usr/bin/curl http://solr:8983/solr/dovecot-fts/update?optimize=true >> /dev/console 2>&1' > /etc/cron.d/solr-optimize
echo '*/20 * * * * vmail /usr/local/bin/quarantine_notify.py >> /dev/console 2>&1' > /etc/cron.d/quarantine_notify
echo '15 4 * * * vmail /usr/local/bin/clean_q_aged.sh >> /dev/console 2>&1' > /etc/cron.d/clean_q_aged
# Fix more than 1 hardlink issue
touch /etc/crontab /etc/cron.*/*
echo '*/5 * * * * vmail /usr/local/bin/repl_health.sh >> /dev/console 2>&1' > /etc/cron.d/repl_health
else
echo '25 * * * * vmail /usr/local/bin/maildir_gc.sh >> /dev/console 2>&1' > /etc/cron.d/maildir_gc
echo '30 1 * * * root /usr/local/bin/sa-rules.sh >> /dev/console 2>&1' > /etc/cron.d/sa-rules
echo '0 2 * * * root /usr/bin/curl http://solr:8983/solr/dovecot-fts/update?optimize=true >> /dev/console 2>&1' > /etc/cron.d/solr-optimize
echo '*/5 * * * * vmail /usr/local/bin/repl_health.sh >> /dev/console 2>&1' > /etc/cron.d/repl_health
fi
# Fix more than 1 hardlink issue
touch /etc/crontab /etc/cron.*/*
# Clean old PID if any
[[ -f /var/run/dovecot/master.pid ]] && rm /var/run/dovecot/master.pid

26
data/Dockerfiles/dovecot/repl_health.sh Executable file
View File

@@ -0,0 +1,26 @@
#!/bin/bash
# Do not attempt to write to slave
if [[ ! -z ${REDIS_SLAVEOF_IP} ]]; then
REDIS_CMDLINE="redis-cli -h ${REDIS_SLAVEOF_IP} -p ${REDIS_SLAVEOF_PORT}"
else
REDIS_CMDLINE="redis-cli -h redis -p 6379"
fi
# Is replication active?
# grep on file is less expensive than doveconf
if ! grep -qi mail_replica /etc/dovecot/dovecot.conf; then
${REDIS_CMDLINE} SET DOVECOT_REPL_HEALTH 1 > /dev/null
exit
fi
FAILED_SYNCS=$(doveadm replicator status | grep "Waiting 'failed' requests" | grep -oE '[0-9]+')
# Set amount of failed jobs as DOVECOT_REPL_HEALTH
# 1 failed job for mailcow.local is expected and healthy
if [[ "${FAILED_SYNCS}" != 1 ]]; then
printf "Dovecot replicator has %d failed jobs\n" "${FAILED_SYNCS}"
${REDIS_CMDLINE} SET DOVECOT_REPL_HEALTH "${FAILED_SYNCS}" > /dev/null
else
${REDIS_CMDLINE} SET DOVECOT_REPL_HEALTH 1 > /dev/null
fi