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docker: auto-detect image upgrades and include install stage

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Without version tracking, if a new image requires the install stage
(e.g. new package versions), the default configure,activate will skip
it and potentially fail silently.

At build time, the git hash is written to /etc/chatmail-image-version.
At runtime, setup_chatmail_docker.sh compares it against the persisted
/home/.chatmail-running-version (survives container restarts via the
/home volume). If they differ, the install stage is automatically
prepended to CMDEPLOY_STAGES. After a successful deploy, the running
version is updated.

Files: docker/chatmail_relay.dockerfile:68-69, docker/files/setup_chatmail_docker.sh:27-48
This commit is contained in:
j4n
2026-02-16 20:17:03 +01:00
parent f017f88901
commit 77dc67dde9
2 changed files with 28 additions and 1 deletions
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3
docker/chatmail_relay.dockerfile
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@@ -61,6 +61,9 @@ RUN CMDEPLOY_STAGES=install \
RUN cp -a www/ /opt/chatmail-www/ RUN cp -a www/ /opt/chatmail-www/
RUN rm -f /tmp/chatmail.ini RUN rm -f /tmp/chatmail.ini
# Record image version for upgrade detection at runtime
RUN git rev-parse HEAD > /etc/chatmail-image-version 2>/dev/null || echo "unknown" > /etc/chatmail-image-version
# --- End build-time install --- # --- End build-time install ---
ENV CHATMAIL_INI=/etc/chatmail/chatmail.ini ENV CHATMAIL_INI=/etc/chatmail/chatmail.ini

26
docker/files/setup_chatmail_docker.sh
View File

@@ -24,9 +24,33 @@ if [ ! -f "$CHATMAIL_INI" ]; then
$CMDEPLOY init --config "$CHATMAIL_INI" "$MAIL_DOMAIN" $CMDEPLOY init --config "$CHATMAIL_INI" "$MAIL_DOMAIN"
fi fi
export CMDEPLOY_STAGES="${CMDEPLOY_STAGES:-configure,activate}" # Auto-detect image upgrades: if the image version changed since last run,
# include the install stage so new packages/binaries are picked up.
IMAGE_VERSION_FILE="/etc/chatmail-image-version"
RUNNING_VERSION_FILE="/home/.chatmail-running-version"
CMDEPLOY_STAGES="${CMDEPLOY_STAGES:-configure,activate}"
if [ -f "$IMAGE_VERSION_FILE" ]; then
image_ver=$(cat "$IMAGE_VERSION_FILE")
running_ver=""
if [ -f "$RUNNING_VERSION_FILE" ]; then
running_ver=$(cat "$RUNNING_VERSION_FILE")
fi
if [ "$image_ver" != "$running_ver" ]; then
echo "[INFO] Image version changed ($running_ver -> $image_ver), adding install stage."
case "$CMDEPLOY_STAGES" in
*install*) ;; # already includes install
*) CMDEPLOY_STAGES="install,$CMDEPLOY_STAGES" ;;
esac
fi
fi
export CMDEPLOY_STAGES
$CMDEPLOY run --config "$CHATMAIL_INI" --ssh-host @local $CMDEPLOY run --config "$CHATMAIL_INI" --ssh-host @local
# Record successful version after deploy
if [ -f "$IMAGE_VERSION_FILE" ]; then
cp "$IMAGE_VERSION_FILE" "$RUNNING_VERSION_FILE"
fi
# Journald: forward to console for docker logs (idempotent) # Journald: forward to console for docker logs (idempotent)
grep -q '^ForwardToConsole=yes' /etc/systemd/journald.conf \ grep -q '^ForwardToConsole=yes' /etc/systemd/journald.conf \
|| echo "ForwardToConsole=yes" >> /etc/systemd/journald.conf || echo "ForwardToConsole=yes" >> /etc/systemd/journald.conf