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-rw-r--r--changelog.d/12480.misc1
-rw-r--r--docker/Dockerfile-workers3
-rw-r--r--docker/complement/SynapseWorkers.Dockerfile5
-rw-r--r--docker/complement/conf-workers/caddy.supervisord.conf7
-rw-r--r--docker/complement/conf-workers/postgres.supervisord.conf16
-rwxr-xr-xdocker/complement/conf-workers/start-complement-synapse-workers.sh6
-rw-r--r--docker/conf/log.config4
-rwxr-xr-xdocker/configure_workers_and_start.py2
-rwxr-xr-xdocker/prefix-log12
9 files changed, 44 insertions, 12 deletions
diff --git a/changelog.d/12480.misc b/changelog.d/12480.misc
new file mode 100644
index 0000000000..18a85e7b15
--- /dev/null
+++ b/changelog.d/12480.misc
@@ -0,0 +1 @@
+Use supervisord to supervise Postgres and Caddy in the Complement image to reduce restart time.
\ No newline at end of file
diff --git a/docker/Dockerfile-workers b/docker/Dockerfile-workers
index 9ccb2b22a7..24b03585f9 100644
--- a/docker/Dockerfile-workers
+++ b/docker/Dockerfile-workers
@@ -20,6 +20,9 @@ RUN rm /etc/nginx/sites-enabled/default
 # Copy Synapse worker, nginx and supervisord configuration template files
 COPY ./docker/conf-workers/* /conf/
 
+# Copy a script to prefix log lines with the supervisor program name
+COPY ./docker/prefix-log /usr/local/bin/
+
 # Expose nginx listener port
 EXPOSE 8080/tcp
 
diff --git a/docker/complement/SynapseWorkers.Dockerfile b/docker/complement/SynapseWorkers.Dockerfile
index 65df2d114d..9a4438e730 100644
--- a/docker/complement/SynapseWorkers.Dockerfile
+++ b/docker/complement/SynapseWorkers.Dockerfile
@@ -34,13 +34,16 @@ WORKDIR /data
 # Copy the caddy config
 COPY conf-workers/caddy.complement.json /root/caddy.json
 
+COPY conf-workers/postgres.supervisord.conf /etc/supervisor/conf.d/postgres.conf
+COPY conf-workers/caddy.supervisord.conf /etc/supervisor/conf.d/caddy.conf
+
 # Copy the entrypoint
 COPY conf-workers/start-complement-synapse-workers.sh /
 
 # Expose caddy's listener ports
 EXPOSE 8008 8448
 
-ENTRYPOINT /start-complement-synapse-workers.sh
+ENTRYPOINT ["/start-complement-synapse-workers.sh"]
 
 # Update the healthcheck to have a shorter check interval
 HEALTHCHECK --start-period=5s --interval=1s --timeout=1s \
diff --git a/docker/complement/conf-workers/caddy.supervisord.conf b/docker/complement/conf-workers/caddy.supervisord.conf
new file mode 100644
index 0000000000..d9ddb51dac
--- /dev/null
+++ b/docker/complement/conf-workers/caddy.supervisord.conf
@@ -0,0 +1,7 @@
+[program:caddy]
+command=/usr/local/bin/prefix-log /root/caddy run --config /root/caddy.json
+autorestart=unexpected
+stdout_logfile=/dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile=/dev/stderr
+stderr_logfile_maxbytes=0
diff --git a/docker/complement/conf-workers/postgres.supervisord.conf b/docker/complement/conf-workers/postgres.supervisord.conf
new file mode 100644
index 0000000000..5608342d1a
--- /dev/null
+++ b/docker/complement/conf-workers/postgres.supervisord.conf
@@ -0,0 +1,16 @@
+[program:postgres]
+command=/usr/local/bin/prefix-log /usr/bin/pg_ctlcluster 13 main start --foreground
+
+# Lower priority number = starts first
+priority=1
+
+autorestart=unexpected
+stdout_logfile=/dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile=/dev/stderr
+stderr_logfile_maxbytes=0
+
+# Use 'Fast Shutdown' mode which aborts current transactions and closes connections quickly.
+# (Default (TERM) is 'Smart Shutdown' which stops accepting new connections but
+#  lets existing connections close gracefully.)
+stopsignal=INT
diff --git a/docker/complement/conf-workers/start-complement-synapse-workers.sh b/docker/complement/conf-workers/start-complement-synapse-workers.sh
index 2c1e05bd62..b9a6b55bbe 100755
--- a/docker/complement/conf-workers/start-complement-synapse-workers.sh
+++ b/docker/complement/conf-workers/start-complement-synapse-workers.sh
@@ -12,12 +12,6 @@ function log {
 # Replace the server name in the caddy config
 sed -i "s/{{ server_name }}/${SERVER_NAME}/g" /root/caddy.json
 
-log "starting postgres"
-pg_ctlcluster 13 main start
-
-log "starting caddy"
-/root/caddy start --config /root/caddy.json
-
 # Set the server name of the homeserver
 export SYNAPSE_SERVER_NAME=${SERVER_NAME}
 
diff --git a/docker/conf/log.config b/docker/conf/log.config
index 7a216a36a0..dc8c70befd 100644
--- a/docker/conf/log.config
+++ b/docker/conf/log.config
@@ -2,11 +2,7 @@ version: 1
 
 formatters:
   precise:
-{% if worker_name %}
-    format: '%(asctime)s - worker:{{ worker_name }} - %(name)s - %(lineno)d - %(levelname)s - %(request)s - %(message)s'
-{% else %}
     format: '%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(request)s - %(message)s'
-{% endif %}
 
 handlers:
 {% if LOG_FILE_PATH %}
diff --git a/docker/configure_workers_and_start.py b/docker/configure_workers_and_start.py
index 3bda6c300b..33fc20d218 100755
--- a/docker/configure_workers_and_start.py
+++ b/docker/configure_workers_and_start.py
@@ -171,7 +171,7 @@ WORKERS_CONFIG: Dict[str, Dict[str, Any]] = {
 # Templates for sections that may be inserted multiple times in config files
 SUPERVISORD_PROCESS_CONFIG_BLOCK = """
 [program:synapse_{name}]
-command=/usr/local/bin/python -m {app} \
+command=/usr/local/bin/prefix-log /usr/local/bin/python -m {app} \
     --config-path="{config_path}" \
     --config-path=/conf/workers/shared.yaml \
     --config-path=/conf/workers/{name}.yaml
diff --git a/docker/prefix-log b/docker/prefix-log
new file mode 100755
index 0000000000..0e26a4f19d
--- /dev/null
+++ b/docker/prefix-log
@@ -0,0 +1,12 @@
+#!/bin/bash
+#
+# Prefixes all lines on stdout and stderr with the process name (as determined by
+# the SUPERVISOR_PROCESS_NAME env var, which is automatically set by Supervisor).
+#
+# Usage:
+#   prefix-log command [args...]
+#
+
+exec 1> >(awk '{print "'"${SUPERVISOR_PROCESS_NAME}"' | "$0}' >&1)
+exec 2> >(awk '{print "'"${SUPERVISOR_PROCESS_NAME}"' | "$0}' >&2)
+exec "$@"