feat: add worker nodes to docker swarm setup

roles/docker/files/openrc.sh

@@ -0,0 +1,61 @@
+#!/sbin/openrc-run
+supervisor=supervise-daemon
+
+name="Docker Daemon"
+description="Persistent process that manages docker containers"
+description_reload="Reload configuration without exiting"
+
+command="${DOCKERD_BINARY:-/usr/bin/dockerd}"
+command_args="${DOCKER_OPTS}"
+
+DOCKER_LOGFILE="${DOCKER_LOGFILE:-/var/log/${RC_SVCNAME}.log}"
+DOCKER_ERRFILE="${DOCKER_ERRFILE:-${DOCKER_LOGFILE}}"
+DOCKER_OUTFILE="${DOCKER_OUTFILE:-${DOCKER_LOGFILE}}"
+if [ "$DOCKER_ERRFILE" = "$DOCKER_OUTFILE" ]; then
+	LOGPROXY_OPTS="$LOGPROXY_OPTS -m"
+fi
+export \
+	LOGPROXY_CHMOD="${LOGPROXY_CHMOD:-0644}" \
+	LOGPROXY_LOG_DIRECTORY="${LOGPROXY_LOG_DIRECTORY:-/var/log}" \
+	LOGPROXY_ROTATION_SIZE="${LOGPROXY_ROTATION_SIZE:-104857600}" \
+	LOGPROXY_ROTATION_TIME="${LOGPROXY_ROTATION_TIME:-86400}" \
+	LOGPROXY_ROTATION_SUFFIX="${LOGPROXY_ROTATION_SUFFIX:-.%Y%m%d%H%M%S}" \
+	LOGPROXY_ROTATED_FILES="${LOGPROXY_ROTATE_FILES:-5}"
+
+output_logger="log_proxy $LOGPROXY_OPTS $DOCKER_OUTFILE"
+error_logger="log_proxy $LOGPROXY_OPTS $DOCKER_ERRFILE"
+
+extra_started_commands="reload"
+
+rc_ulimit=""
+RC_ULIMIT=""
+if [ "$1" = "start" ]; then
+    if [ $BASH ]; then
+        rc_ulimit="${DOCKER_ULIMIT:--c unlimited -n 1048576 -u unlimited}"
+    else
+        ulimit -c unlimited
+        ulimit -n 1048576
+        ulimit -p unlimited
+    fi
+fi
+
+retry="${DOCKER_RETRY:-TERM/60/KILL/10}"
+
+if [ -e /etc/profile.d/proxy.sh ]; then
+	. /etc/profile.d/proxy.sh
+fi
+
+depend() {
+	need sysfs cgroups net
+	after firewall
+}
+
+start_pre() {
+	checkpath -f -m 0644 -o root:docker "$DOCKER_ERRFILE" "$DOCKER_OUTFILE"
+}
+
+reload() {
+	ebegin "Reloading configuration"
+	$supervisor $RC_SVCNAME --signal HUP
+	eend $?
+}