docker-ce: add arguments call to uciadd and ucidel

Up to now only the docker0 interface and bridge is created by default.
In order to create other interfaces and to integrate them into the
openwrt these functions can now be called with arguments.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>

utils/docker-ce/files/dockerd.init

@@ -3,8 +3,8 @@
 USE_PROCD=1
 START=25
 
-extra_command "uciadd" "Add default bridge configuration to network and firewall uci config"
-extra_command "ucidel" "Delete default bridge configuration from network and firewall uci config"
+extra_command "uciadd" "<interface> <device> <zone> Add docker bridge configuration to network and firewall uci config"
+extra_command "ucidel" "<interface> <device> <zone> Delete docker bridge configuration from network and firewall uci config"
 
 DOCKER_CONF_DIR="/tmp/dockerd"
 DOCKERD_CONF="${DOCKER_CONF_DIR}/daemon.json"
@@ -46,43 +46,53 @@ uciupdate() {
 }
 
 uciadd() {
+	local iface="$1"
+	local device="$2"
+	local zone="$3"
+
+	[ -z "$iface" ] && {
+		iface="docker"
+		device="docker0"
+		zone="docker"
+	}
+
 	/etc/init.d/dockerd running && {
 		echo "Please stop dockerd service first"
 		exit 0
 	}
 
 	# Add network interface
-	if ! uci_quiet get network.docker; then
-		logger -t "dockerd-init" -p notice "Adding docker default interface to network uci config (docker)"
+	if ! uci_quiet get network.${iface}; then
+		logger -t "dockerd-init" -p notice "Adding docker default interface to network uci config (${iface})"
 		uci_quiet add network interface
-		uci_quiet rename network.@interface[-1]="docker"
-		uci_quiet set network.docker.ifname="docker0"
-		uci_quiet set network.docker.proto="static"
-		uci_quiet set network.docker.auto="0"
+		uci_quiet rename network.@interface[-1]="${iface}"
+		uci_quiet set network.@interface[-1].ifname="${device}"
+		uci_quiet set network.@interface[-1].proto="static"
+		uci_quiet set network.@interface[-1].auto="0"
 		uci_quiet commit network
 	fi
 
 	# Add docker bridge device
-	if ! uci_quiet get network.docker0; then
-		logger -t "dockerd-init" -p notice "Adding docker default bridge device to network uci config (docker0)"
+	if ! uci_quiet get network.${device}; then
+		logger -t "dockerd-init" -p notice "Adding docker default bridge device to network uci config (${device})"
 		uci_quiet add network device
-		uci_quiet rename network.@device[-1]="docker0"
-		uci_quiet set network.docker0.type="bridge"
-		uci_quiet set network.docker0.name="docker0"
-		uci_quiet add_list network.docker0.ifname="docker0"
+		uci_quiet rename network.@device[-1]="${device}"
+		uci_quiet set network.@device[-1].type="bridge"
+		uci_quiet set network.@device[-1].name="${device}"
+		uci_quiet add_list network.@device[-1].ifname="${device}"
 		uci_quiet commit network
 	fi
 
 	# Add firewall zone
-	if ! uci_quiet get firewall.docker; then
-		logger -t "dockerd-init" -p notice "Adding docker default firewall zone to firewall uci config (docker)"
+	if ! uci_quiet get firewall.${zone}; then
+		logger -t "dockerd-init" -p notice "Adding docker default firewall zone to firewall uci config (${zone})"
 		uci_quiet add firewall zone
-		uci_quiet rename firewall.@zone[-1]="docker"
-		uci_quiet set firewall.docker.network="docker"
-		uci_quiet set firewall.docker.input="REJECT"
-		uci_quiet set firewall.docker.output="ACCEPT"
-		uci_quiet set firewall.docker.forward="REJECT"
-		uci_quiet set firewall.docker.name="docker"
+		uci_quiet rename firewall.@zone[-1]="${zone}"
+		uci_quiet set firewall.@zone[-1].network="${iface}"
+		uci_quiet set firewall.@zone[-1].input="REJECT"
+		uci_quiet set firewall.@zone[-1].output="ACCEPT"
+		uci_quiet set firewall.@zone[-1].forward="REJECT"
+		uci_quiet set firewall.@zone[-1].name="${zone}"
 		uci_quiet commit firewall
 	fi
 
@@ -90,22 +100,38 @@ uciadd() {
 }
 
 ucidel() {
+	local iface="$1"
+	local device="$2"
+	local zone="$3"
+
+	[ -z "$iface" ] && {
+		iface="docker"
+		device="docker0"
+		zone="docker"
+	}
+
 	/etc/init.d/dockerd running && {
 		echo "Please stop dockerd service first"
 		exit 0
 	}
 
-	logger -t "dockerd-init" -p notice "Deleting docker default bridge device from network uci config (docker0)"
-	uci_quiet delete network.docker0
-	uci_quiet commit network
+	if uci_quiet get network.${device}; then
+		logger -t "dockerd-init" -p notice "Deleting docker default bridge device from network uci config (${device})"
+		uci_quiet delete network.${device}
+		uci_quiet commit network
+	fi
 
-	logger -t "dockerd-init" -p notice "Deleting docker default interface from network uci config (docker)"
-	uci_quiet delete network.docker
-	uci_quiet commit network
+	if uci_quiet get network.${iface}; then
+		logger -t "dockerd-init" -p notice "Deleting docker default interface from network uci config (${iface})"
+		uci_quiet delete network.${iface}
+		uci_quiet commit network
+	fi
 
-	logger -t "dockerd-init" -p notice "Deleting docker firewall zone from firewall uci config (docker)"
-	uci_quiet delete firewall.docker
-	uci_quiet commit firewall
+	if uci_quiet get firewall.${zone}; then
+		logger -t "dockerd-init" -p notice "Deleting docker firewall zone from firewall uci config (${zone})"
+		uci_quiet delete firewall.${zone}
+		uci_quiet commit firewall
+	fi
 
 	reload_config
 }