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feat: Allow changing the Dovecot vmail UID/GID via ENV (#3550)

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Some deployment scenarios are not compatible with `5000:5000` static vmail user with `/var/mail`. This feature allows adjusting the defaults to a UID / GID that is compatible.

Signed-off-by: vincent <vincent@ducamps.win>
Co-authored-by: Brennan Kinney <5098581+polarathene@users.noreply.github.com>
This commit is contained in:
Vincent Ducamps 2023-09-30 13:20:03 +02:00 • committed by GitHub
parent 89cb6d85b9
commit bd96c1161e
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GPG key ID: 4AEE18F83AFDEB23
8 changed files with 112 additions and 4 deletions
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12
target/scripts/startup/setup.d/vmail-id.sh Normal file
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@ -0,0 +1,12 @@
#!/bin/bash
function _setup_vmail_id() {
if [[ "${DMS_VMAIL_UID}" != "5000" ]]; then
_log 'debug' "Setting 'docker' UID to ${DMS_VMAIL_UID}"
usermod --uid "${DMS_VMAIL_UID}" docker
fi
if [[ "${DMS_VMAIL_GID}" != "5000" ]]; then
_log 'debug' "Setting 'docker' GID to ${DMS_VMAIL_GID}"
groupmod --gid "${DMS_VMAIL_GID}" docker
fi
}

2
target/scripts/startup/variables-stack.sh
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@ -46,6 +46,8 @@ function __environment_variables_general_setup() {
VARS[POSTMASTER_ADDRESS]="${POSTMASTER_ADDRESS:=postmaster@${DOMAINNAME}}"
VARS[REPORT_RECIPIENT]="${REPORT_RECIPIENT:=${POSTMASTER_ADDRESS}}"
VARS[REPORT_SENDER]="${REPORT_SENDER:=mailserver-report@${HOSTNAME}}"
VARS[DMS_VMAIL_UID]="${DMS_VMAIL_UID:=5000}"
VARS[DMS_VMAIL_GID]="${DMS_VMAIL_GID:=5000}"
_log 'trace' 'Setting anti-spam & anti-virus environment variables'