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UNITRONIX
7f7479fb88
Remap betterdesk at entrypoint start so Synology/NAS bind mounts can match host ownership without Compose user: overrides. Refs #376 Thanks: INSOLVE (Honorary); Marco Jakobs (@jacotec); MyNameisStitch (@MyNameisStitch); Redspin (@playerumpknow)
75 lines
2.3 KiB
Bash
75 lines
2.3 KiB
Bash
#!/bin/sh
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# Remap the betterdesk user/group to PUID/PGID at container start (#376).
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# Sourced from entrypoints while running as root (before chown / su-exec).
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# Defaults match the image build identity (10001:10001).
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ensure_betterdesk_user() {
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if [ "$(id -u)" != "0" ]; then
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return 0
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fi
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PUID="${PUID:-10001}"
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PGID="${PGID:-10001}"
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case "$PUID" in
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''|*[!0-9]*)
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echo "ERROR: PUID must be a positive integer (got: ${PUID})" >&2
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exit 1
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;;
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esac
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case "$PGID" in
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''|*[!0-9]*)
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echo "ERROR: PGID must be a positive integer (got: ${PGID})" >&2
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exit 1
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;;
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esac
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if [ "$PUID" = "0" ] || [ "$PGID" = "0" ]; then
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echo "ERROR: PUID/PGID must not be 0 (root)" >&2
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exit 1
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fi
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if ! id betterdesk >/dev/null 2>&1; then
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echo "ERROR: betterdesk user not found in image" >&2
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exit 1
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fi
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current_uid=$(id -u betterdesk)
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current_gid=$(id -g betterdesk)
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if [ "$current_uid" = "$PUID" ] && [ "$current_gid" = "$PGID" ]; then
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echo "App user: betterdesk (uid=${PUID} gid=${PGID})"
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return 0
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fi
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if ! command -v groupmod >/dev/null 2>&1 || ! command -v usermod >/dev/null 2>&1; then
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echo "ERROR: usermod/groupmod not found (shadow package required for PUID/PGID)" >&2
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exit 1
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fi
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if [ "$current_gid" != "$PGID" ]; then
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existing_group=$(getent group "$PGID" 2>/dev/null | cut -d: -f1)
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if [ -n "$existing_group" ] && [ "$existing_group" != "betterdesk" ]; then
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echo "ERROR: PGID ${PGID} already used by group '${existing_group}'" >&2
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exit 1
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fi
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groupmod -g "$PGID" betterdesk || {
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echo "ERROR: failed to set betterdesk GID to ${PGID}" >&2
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exit 1
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}
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fi
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existing_user=$(getent passwd "$PUID" 2>/dev/null | cut -d: -f1)
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if [ -n "$existing_user" ] && [ "$existing_user" != "betterdesk" ]; then
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echo "ERROR: PUID ${PUID} already used by user '${existing_user}'" >&2
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exit 1
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fi
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usermod -u "$PUID" -g "$PGID" betterdesk || {
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echo "ERROR: failed to set betterdesk UID/GID to ${PUID}:${PGID}" >&2
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exit 1
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}
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echo "App user: betterdesk remapped to uid=${PUID} gid=${PGID}"
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}
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