ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/external/subpack/utils/dockerd/files/dockerd.init b/external/subpack/utils/dockerd/files/dockerd.init
new file mode 100755
index 0000000..68a40de
--- /dev/null
+++ b/external/subpack/utils/dockerd/files/dockerd.init
@@ -0,0 +1,283 @@
+#!/bin/sh /etc/rc.common
+
+USE_PROCD=1
+START=99
+
+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="${DOCKER_CONF_DIR}/daemon.json"
+
+uci_quiet() {
+ uci -q "${@}" >/dev/null
+}
+
+json_add_array_string() {
+ json_add_string "" "${1}"
+}
+
+find_network_device() {
+ local device="${1}"
+ local device_section=""
+
+ check_device() {
+ local cfg="${1}"
+ local device="${2}"
+
+ local type name
+ config_get type "${cfg}" type
+ config_get name "${cfg}" name
+
+ [ "${type}" = "bridge" ] && [ "${name}" = "${device}" ] \
+ && device_section="${cfg}"
+ }
+
+ config_load network
+ config_foreach check_device device "${device}"
+
+ echo "${device_section}"
+}
+
+boot() {
+ uciadd
+ rc_procd start_service
+}
+
+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.${iface}; then
+ logger -t "dockerd-init" -p notice "Adding interface '${iface}' to network config"
+ uci_quiet add network interface
+ uci_quiet rename network.@interface[-1]="${iface}"
+ uci_quiet set network.@interface[-1].device="${device}"
+ uci_quiet set network.@interface[-1].proto="none"
+ uci_quiet set network.@interface[-1].auto="0"
+ uci_quiet commit network
+ fi
+
+ # Add docker bridge device
+ if [ "$(find_network_device "$device")" = "" ]; then
+ logger -t "dockerd-init" -p notice "Adding bridge device '${device}' to network config"
+ uci_quiet add network device
+ uci_quiet set network.@device[-1].type="bridge"
+ uci_quiet set network.@device[-1].name="${device}"
+ uci_quiet commit network
+ else
+ logger -t "dockerd-init" -p notice "Bridge device '${device}' already defined in network config"
+ fi
+
+ # Add firewall zone
+ if ! uci_quiet get firewall.${zone}; then
+ logger -t "dockerd-init" -p notice "Adding firewall zone '${zone}' to firewall config"
+ uci_quiet add firewall zone
+ uci_quiet rename firewall.@zone[-1]="${zone}"
+ uci_quiet set firewall.@zone[-1].input="ACCEPT"
+ uci_quiet set firewall.@zone[-1].output="ACCEPT"
+ uci_quiet set firewall.@zone[-1].forward="ACCEPT"
+ uci_quiet set firewall.@zone[-1].name="${zone}"
+ uci_quiet commit firewall
+ fi
+
+ # Add interface to firewall zone
+ if uci_quiet get firewall.${zone}; then
+ uci_quiet del_list firewall.${zone}.network="${iface}"
+ uci_quiet add_list firewall.${zone}.network="${iface}"
+ uci_quiet commit firewall
+ fi
+
+ reload_config
+}
+
+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
+ }
+
+ # Remove network device
+ if uci_quiet delete network.$(find_network_device "${device}"); then
+ logger -t "dockerd-init" -p notice "Deleting bridge device '${device}' from network config"
+ uci_quiet commit network
+ fi
+
+ # Remove network interface
+ if uci_quiet get network.${iface}; then
+ logger -t "dockerd-init" -p notice "Deleting interface '${iface}' from network config"
+ uci_quiet delete network.${iface}
+ uci_quiet commit network
+ fi
+
+ # Remove interface from firewall zone
+ if uci_quiet get firewall.${zone}; then
+ logger -t "dockerd-init" -p notice "Deleting network interface '${iface}' in zone '${zone}' from firewall config"
+ uci_quiet del_list firewall.${zone}.network="${iface}"
+ uci_quiet commit firewall
+ # Remove Firewall zone if network is empty
+ if ! uci_quiet get firewall.${zone}.network; then
+ logger -t "dockerd-init" -p notice "Deleting firewall zone '${zone}' from firewall config"
+ uci_quiet delete firewall.${zone}
+ fi
+ uci_quiet commit firewall
+ fi
+
+ reload_config
+}
+
+process_config() {
+ local alt_config_file data_root log_level iptables bip
+
+ [ -f /etc/config/dockerd ] || {
+ # Use the daemon default configuration
+ DOCKERD_CONF=""
+ return 0
+ }
+
+ # reset configuration
+ rm -fr "${DOCKER_CONF_DIR}"
+ mkdir -p "${DOCKER_CONF_DIR}"
+
+ config_load 'dockerd'
+ config_get alt_config_file globals alt_config_file
+ [ -n "${alt_config_file}" ] && [ -f "${alt_config_file}" ] && {
+ ln -s "${alt_config_file}" "${DOCKERD_CONF}"
+ return 0
+ }
+
+ config_get data_root globals data_root "/opt/docker/"
+ config_get log_level globals log_level "warn"
+ config_get_bool iptables globals iptables "1"
+
+ # Don't add these options by default
+ # omission == docker defaults
+ config_get bip globals bip ""
+ config_get registry_mirrors globals registry_mirrors ""
+ config_get hosts globals hosts ""
+ config_get dns globals dns ""
+ config_get_bool ipv6 globals ipv6 ""
+ config_get ip globals ip ""
+ config_get fixed_cidr globals fixed_cidr ""
+ config_get fixed_cidr_v6 globals fixed_cidr_v6 ""
+
+ . /usr/share/libubox/jshn.sh
+ json_init
+ json_add_string "data-root" "${data_root}"
+ json_add_string "log-level" "${log_level}"
+ json_add_boolean "iptables" "${iptables}"
+ [ -z "${bip}" ] || json_add_string "bip" "${bip}"
+ [ -z "${registry_mirrors}" ] || json_add_array "registry-mirrors"
+ [ -z "${registry_mirrors}" ] || config_list_foreach globals registry_mirrors json_add_array_string
+ [ -z "${registry_mirrors}" ] || json_close_array
+ [ -z "${hosts}" ] || json_add_array "hosts"
+ [ -z "${hosts}" ] || config_list_foreach globals hosts json_add_array_string
+ [ -z "${hosts}" ] || json_close_array
+ [ -z "${dns}" ] || json_add_array "dns"
+ [ -z "${dns}" ] || config_list_foreach globals dns json_add_array_string
+ [ -z "${dns}" ] || json_close_array
+ [ -z "${ipv6}" ] || json_add_boolean "ipv6" "${ipv6}"
+ [ -z "${ip}" ] || json_add_string "ip" "${ip}"
+ [ -z "${fixed_cidr}" ] || json_add_string "fixed-cidr" "${fixed_cidr}"
+ [ -z "${fixed_cidr_v6}" ] || json_add_string "fixed-cidr-v6" "${fixed_cidr_v6}"
+ json_dump > "${DOCKERD_CONF}"
+
+ [ "${iptables}" -eq "1" ] && config_foreach iptables_add_blocking_rule firewall
+}
+
+start_service() {
+ local nofile=$(cat /proc/sys/fs/nr_open)
+
+ process_config
+
+ procd_open_instance
+ procd_set_param stderr 1
+ if [ -z "${DOCKERD_CONF}" ]; then
+ procd_set_param command /usr/bin/dockerd
+ else
+ procd_set_param command /usr/bin/dockerd --config-file="${DOCKERD_CONF}"
+ fi
+ procd_set_param limits nofile="${nofile} ${nofile}"
+ procd_close_instance
+}
+
+reload_service() {
+ process_config
+ procd_send_signal dockerd
+}
+
+service_triggers() {
+ procd_add_reload_trigger 'dockerd'
+}
+
+iptables_add_blocking_rule() {
+ local cfg="${1}"
+
+ local device=""
+ local extra_iptables_args=""
+
+ handle_iptables_rule() {
+ local interface="${1}"
+ local outbound="${2}"
+ local extra_iptables_args="${3}"
+
+ local inbound=""
+
+ . /lib/functions/network.sh
+ network_get_physdev inbound "${interface}"
+
+ [ -z "${inbound}" ] && {
+ logger -t "dockerd-init" -p notice "Unable to get physical device for interface ${interface}"
+ return
+ }
+
+ # Wait for a maximum of 10 second per command, retrying every millisecond
+ local iptables_wait_args="--wait 10 --wait-interval 1000"
+
+ # Ignore errors as it might already be present
+ iptables ${iptables_wait_args} --table filter --new DOCKER-USER 2>/dev/null
+ if ! iptables ${iptables_wait_args} --table filter --check DOCKER-USER --in-interface "${inbound}" --out-interface "${outbound}" ${extra_iptables_args} --jump REJECT 2>/dev/null; then
+ logger -t "dockerd-init" -p notice "Drop traffic from ${inbound} to ${outbound}"
+ iptables ${iptables_wait_args} --table filter --insert DOCKER-USER --in-interface "${inbound}" --out-interface "${outbound}" ${extra_iptables_args} --jump REJECT
+ fi
+ }
+
+ config_get device "${cfg}" device
+
+ [ -z "${device}" ] && {
+ logger -t "dockerd-init" -p notice "No device configured for ${cfg}"
+ return
+ }
+
+ config_get extra_iptables_args "${cfg}" extra_iptables_args
+ config_list_foreach "${cfg}" blocked_interfaces handle_iptables_rule "${device}" "${extra_iptables_args}"
+}
+
+stop_service() {
+ if /etc/init.d/dockerd running; then
+ service_stop "/usr/bin/dockerd"
+ fi
+}