mirror of
https://github.com/docker-mailserver/docker-mailserver.git
synced 2024-01-19 02:48:50 +00:00
93 lines
4.2 KiB
Bash
93 lines
4.2 KiB
Bash
#!/bin/bash
|
|
|
|
# Consolidate all states into a single directory
|
|
# (/var/mail-state) to allow persistence using docker volumes
|
|
function _setup_save_states
|
|
{
|
|
local STATEDIR FILE FILES
|
|
|
|
STATEDIR='/var/mail-state'
|
|
|
|
if [[ ${ONE_DIR} -eq 1 ]] && [[ -d ${STATEDIR} ]]
|
|
then
|
|
_log 'debug' "Consolidating all state onto ${STATEDIR}"
|
|
|
|
# Always enabled features:
|
|
FILES=(
|
|
lib/logrotate
|
|
lib/postfix
|
|
spool/postfix
|
|
)
|
|
|
|
# Only consolidate state for services that are enabled
|
|
# Notably avoids copying over 200MB for the ClamAV database
|
|
[[ ${ENABLE_AMAVIS} -eq 1 ]] && FILES+=('lib/amavis')
|
|
[[ ${ENABLE_CLAMAV} -eq 1 ]] && FILES+=('lib/clamav')
|
|
[[ ${ENABLE_FAIL2BAN} -eq 1 ]] && FILES+=('lib/fail2ban')
|
|
[[ ${ENABLE_FETCHMAIL} -eq 1 ]] && FILES+=('lib/fetchmail')
|
|
[[ ${ENABLE_POSTGREY} -eq 1 ]] && FILES+=('lib/postgrey')
|
|
[[ ${ENABLE_RSPAMD} -eq 1 ]] && FILES+=('lib/rspamd')
|
|
[[ ${ENABLE_RSPAMD_REDIS} -eq 1 ]] && FILES+=('lib/redis')
|
|
[[ ${ENABLE_SPAMASSASSIN} -eq 1 ]] && FILES+=('lib/spamassassin')
|
|
[[ ${SMTP_ONLY} -ne 1 ]] && FILES+=('lib/dovecot')
|
|
|
|
for FILE in "${FILES[@]}"
|
|
do
|
|
DEST="${STATEDIR}/${FILE//\//-}"
|
|
FILE="/var/${FILE}"
|
|
|
|
# If relevant content is found in /var/mail-state (presumably a volume mount),
|
|
# use it instead. Otherwise copy over any missing directories checked.
|
|
if [[ -d ${DEST} ]]
|
|
then
|
|
_log 'trace' "Destination ${DEST} exists, linking ${FILE} to it"
|
|
# Original content from image no longer relevant, remove it:
|
|
rm -rf "${FILE}"
|
|
elif [[ -d ${FILE} ]]
|
|
then
|
|
_log 'trace' "Moving contents of ${FILE} to ${DEST}"
|
|
# Empty volume was mounted, or new content from enabling a feature ENV:
|
|
mv "${FILE}" "${DEST}"
|
|
fi
|
|
|
|
# Symlink the original path in the container ($FILE) to be
|
|
# sourced from assocaiated path in /var/mail-state/ ($DEST):
|
|
ln -s "${DEST}" "${FILE}"
|
|
done
|
|
|
|
# This ensures the user and group of the files from the external mount have their
|
|
# numeric ID values in sync. New releases where the installed packages order changes
|
|
# can change the values in the Docker image, causing an ownership mismatch.
|
|
# NOTE: More details about users and groups added during image builds are documented here:
|
|
# https://github.com/docker-mailserver/docker-mailserver/pull/3011#issuecomment-1399120252
|
|
_log 'trace' 'Fixing /var/mail-state/* permissions'
|
|
[[ ${ENABLE_AMAVIS} -eq 1 ]] && chown -R amavis:amavis /var/mail-state/lib-amavis
|
|
[[ ${ENABLE_CLAMAV} -eq 1 ]] && chown -R clamav:clamav /var/mail-state/lib-clamav
|
|
[[ ${ENABLE_FETCHMAIL} -eq 1 ]] && chown -R fetchmail:nogroup /var/mail-state/lib-fetchmail
|
|
[[ ${ENABLE_POSTGREY} -eq 1 ]] && chown -R postgrey:postgrey /var/mail-state/lib-postgrey
|
|
[[ ${ENABLE_RSPAMD} -eq 1 ]] && chown -R _rspamd:_rspamd /var/mail-state/lib-rspamd
|
|
[[ ${ENABLE_RSPAMD_REDIS} -eq 1 ]] && chown -R redis:redis /var/mail-state/lib-redis
|
|
[[ ${ENABLE_SPAMASSASSIN} -eq 1 ]] && chown -R debian-spamd:debian-spamd /var/mail-state/lib-spamassassin
|
|
|
|
chown -R root:root /var/mail-state/lib-logrotate
|
|
chown -R postfix:postfix /var/mail-state/lib-postfix
|
|
|
|
# NOTE: The Postfix spool location has mixed owner/groups to take into account:
|
|
# UID = postfix(101): active, bounce, corrupt, defer, deferred, flush, hold, incoming, maildrop, private, public, saved, trace
|
|
# UID = root(0): dev, etc, lib, pid, usr
|
|
# GID = postdrop(103): maildrop, public
|
|
# GID for all other directories is root(0)
|
|
# NOTE: `spool-postfix/private/` will be set to `postfix:postfix` when Postfix starts / restarts
|
|
# Set most common ownership:
|
|
chown -R postfix:root /var/mail-state/spool-postfix
|
|
chown root:root /var/mail-state/spool-postfix
|
|
# These two require the postdrop(103) group:
|
|
chgrp -R postdrop /var/mail-state/spool-postfix/{maildrop,public}
|
|
elif [[ ${ONE_DIR} -eq 1 ]]
|
|
then
|
|
_log 'warn' "'ONE_DIR=1' but no volume was mounted to '${STATEDIR}'"
|
|
else
|
|
_log 'debug' 'Not consolidating state (because it has been disabled)'
|
|
fi
|
|
}
|