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Fix for #147

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This will change the `deamon_directory` if it detects a distribution
change. Some distributions will by default set the `deamon_directory` in
`main.cf` and they differentiate between distributions. Hence, updating
to another distribution causes Postfix to fail starting.
This commit is contained in:
Bojan Čekrlić 2023-10-29 09:08:29 +01:00
parent f679500d9b
commit 25e919644f
1 changed files with 35 additions and 1 deletions
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36
scripts/common-run.sh
View file

@ -143,6 +143,7 @@ postfix_upgrade_conf() {
local entry
local filename
local OLD_IFS
local daemon_directory
# Check for any references to the old "hash:" and "btree:" databases and replae them with "lmdb:"
if cat "$maincf" | egrep -v "^#" | egrep -q "(hash|btree):"; then
@ -166,7 +167,40 @@ postfix_upgrade_conf() {
done
IFS="$OLD_IFS"
else
debug "No upgrade needed."
debug "No upgrade of hashes needed needed."
fi
# Some people will keep the configuration of postfix on an external drive, although this is not strictly neccessary by this
# image. And when they switch between different distrubtions (Alpine -> Debian and vice versa), the image will fail with the
# old configuration. This is a quick and dirty check to solve this issue so we don't get issues like these:
# https://github.com/bokysan/docker-postfix/issues/147
if grep -q -E "^\s*daemon_directory\s*=" "$maincf"; then
# Get the directory
daemon_directory="$(grep -q -E "^\s*daemon_directory\s*=" "$maincf")"
daemon_directory="${daemon_directory#*=}"
daemon_directory="${daemon_directory#"${daemon_directory%%[![:space:]]*}"}" # remove leading whitespace characters
daemon_directory="${daemon_directory%"${daemon_directory##*[![:space:]]}"}" # remove trailing whitespace characters
# Debian, Ubuntu
# daemon_directory = /usr/lib/postfix/sbin
# Alpine
# daemon_directory = /usr/libexec/postfix
if [[ daemon_directory == "/usr/lib/postfix/sbin" ]] && [[ ! -d "/usr/lib/postfix/sbin" ]] && [[ -d "/usr/libexec/postfix" ]]; then
warn "You're switching from Debian/Ubuntu distribution to Alpine. Changing ${emphasis}daemon_directory = /usr/libexec/postfix${reset}, otherwise this image will not run."
notice "To avoid these warnings in the future, it is suggested ${emphasis}NOT${reset} to link ${emphasis}/etc/postfix${reset} to a volume and let this image manage it itself."
do_postconf -e daemon_directory=/usr/libexec/postfix
daemon_directory=/usr/libexec/postfix
elif [[ daemon_directory == "/usr/libexec/postfix" ]] && [[ ! -d "/usr/libexec/postfix" ]] && [[ -d "/usr/lib/postfix/sbin" ]]; then
warn "You're switching from Alpine to Debian/Ubuntu distribution. Changing ${emphasis}daemon_directory = /usr/lib/postfix/sbin${reset}, otherwise this image will not run."
notice "To avoid these warnings in the future, it is suggested ${emphasis}NOT${reset} to link ${emphasis}/etc/postfix${reset} to a volume and let this image manage it itself."
do_postconf -e daemon_directory=/usr/lib/postfix/sbin
daemon_directory=/usr/lib/postfix/sbin
fi
if [[ ! -d "${daemon_directory}" ]]; then
error "Your ${emphasis}daemon_directory${reset} is set to ${emphasis}${daemon_directory}${reset} but it does not exist. Postfix startup will most likely fail."
fi
fi
}