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webgui/etc/rc.d/rc.docker

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#!/bin/bash
#
# script: rc.docker
#
# Short-Description: Create lightweight, portable, self-sufficient containers.
# Description:
# Docker is an open-source project to easily create lightweight, portable,
# self-sufficient containers from any application. The same container that a
# developer builds and tests on a laptop can run at scale, in production, on
# VMs, bare metal, OpenStack clusters, public clouds and more.
#
# LimeTech - modified for Unraid OS
# Bergware - modified for Unraid OS, June 2025
DAEMON="Docker daemon"
UNSHARE="/usr/bin/unshare"
SYSTEM="/sys/class/net"
CONF6="/proc/sys/net/ipv6/conf"
STOCK="bond br eth wlan"
ACTIVE=$(ls --indicator-style=none $SYSTEM | awk "/^(${STOCK// /|})[0-9]/" ORS=' ')
NICS=$(ls --indicator-style=none $SYSTEM | awk '/^(eth|wlan)[0-9]+$/')
DOCKERD="dockerd"
DOCKER="/usr/bin/$DOCKERD"
DOCKER_PIDFILE="/var/run/$DOCKERD.pid"
DOCKER_LOG="/var/log/docker.log"
DOCKER_ROOT="/var/lib/docker"
DOCKER_CFG="/boot/config/docker.cfg"
DOCKER_TIMEOUT=$(awk -F'"' '/^DOCKER_TIMEOUT=/{print $2}' $DOCKER_CFG 2>/dev/null)
# network file references
INI=/var/local/emhttp/network.ini
STA=/var/local/emhttp/statics.ini
TMP=/var/tmp/network.tmp
# run & log functions
. /etc/rc.d/rc.runlog
# return active interface
active(){
if [[ -e $SYSTEM/${1/eth/br} ]]; then
echo ${1/eth/br}
elif [[ -e $SYSTEM/${1/eth/bond} ]]; then
echo ${1/eth/bond}
else
echo $1
fi
}
# wait for interface to go up
carrier(){
local n e
[[ -e $SYSTEM/$1 ]] && e=${2:-10} || return 1
for ((n=0; n<$e; n++)); do
[[ $(cat $SYSTEM/$1/carrier 2>/dev/null) == 1 ]] && return 0
[[ $e -gt 1 ]] && sleep 1
done
return 1
}
# add entry to watch list
add_entry(){
rm -f /var/tmp/${1%% *}.down
[[ -e $STA ]] && echo "$1" >>$STA
}
# delete enty from watch list
del_entry(){
touch /var/tmp/$1.down
[[ -e $STA ]] && sed -i "/^$1 .*/d" $STA
sleep 0.5
}
# initialize docker settings
docker_read_options(){
# determine active port name
PORT=$(active eth0)
[[ ! $(carrier $PORT) && $(carrier wlan0 1) ]] && PORT=wlan0
# Set defaults used by the docker daemon
if [[ -f $DOCKER_CFG ]]; then
for NIC in $NICS; do
[[ ${NIC:0:3} == eth ]] && NIC=$(active $NIC)
CFG=($(grep -Pom2 "_SUBNET_|_${NIC^^}(_[0-9]+)?=" $DOCKER_CFG))
if [[ ${CFG[0]} == _SUBNET_ && -z ${CFG[1]} ]]; then
# interface has changed, update configuration
X=${NIC//[^0-9]/}
sed -ri "s/_(BR|BOND|ETH|WLAN)$X(_[0-9]+)?=/_${NIC^^}\2=/; s/(br|bond|eth|wlan)$X(\.[0-9]+)? /$NIC\2 /g" $DOCKER_CFG
fi
done
# Read (updated) Unraid docker configuration file
. $DOCKER_CFG
fi
# set storage driver to overlay2 if config value is found, otherwise fall back to native FS driver
if [[ $(awk -F'"' '/^DOCKER_BACKINGFS=/{print $2}' $DOCKER_CFG 2>/dev/null) == overlay2 ]]; then
DOCKER_OPTS="$DOCKER_OPTS --storage-driver=overlay2"
else
BACKINGFS=$(findmnt --output FSTYPE --noheadings $DOCKER_ROOT)
if [[ $BACKINGFS == btrfs ]]; then
DOCKER_OPTS="$DOCKER_OPTS --storage-driver=btrfs"
elif [[ $BACKINGFS == xfs ]]; then
DOCKER_OPTS="$DOCKER_OPTS --storage-driver=overlay2"
elif [[ $BACKINGFS == zfs ]]; then
DOCKER_OPTS="$DOCKER_OPTS --storage-driver=zfs"
fi
fi
# Less verbose logging by default
DOCKER_OPTS="--log-level=fatal $DOCKER_OPTS"
# Enable global docker LOG rotation
if [[ $DOCKER_LOG_ROTATION == yes ]]; then
[[ -z $DOCKER_LOG_SIZE ]] && DOCKER_LOG_SIZE=10m
[[ -z $DOCKER_LOG_FILES ]] && DOCKER_LOG_FILES=1
DOCKER_OPTS="--log-opt max-size=$DOCKER_LOG_SIZE --log-opt max-file=$DOCKER_LOG_FILES $DOCKER_OPTS"
fi
# Adjust MTU size if non-default
MTU=$(ip link show $PORT | grep -Po 'mtu \K\d+')
[[ -n $MTU && $MTU -ne 1500 ]] && DOCKER_OPTS="--mtu=$MTU $DOCKER_OPTS"
# Enable IPv6 for docker bridge network
if [[ -n $(ip -6 route show to default dev $PORT) ]]; then
DOCKER0='fd17::/64'
DOCKER_OPTS="--ipv6 --fixed-cidr-v6=$DOCKER0 $DOCKER_OPTS"
IPV6_FORWARD=${IPV6_FORWARD:=accept}
# create IPv6 NAT rule for docker0
[[ -z $(ip6tables -t nat -S | grep -o "$DOCKER0") ]] && run ip6tables -t nat -A POSTROUTING -s $DOCKER0 ! -o docker0 -j MASQUERADE
else
# ipv6 disabled
[[ -d $CONF6/docker0 ]] && echo 1 > $CONF6/docker0/disable_ipv6
fi
export DOCKER_RAMDISK=true
}
# Get docker daemon PID (if existing)
docker_pid(){
cat $DOCKER_PIDFILE 2>/dev/null
}
# Verify if docker daemon running
docker_running(){
sleep 0.1
[[ -S /var/run/docker.sock ]] || return 1
[[ $(docker info 2>&1) =~ "Cannot connect to the Docker daemon" ]] && return 1 || return 0
}
# Wait max 30s to daemon start
wait_daemon(){
for n in {1..30}; do
if docker_running; then return 0; else sleep 1; fi
done
return 1
}
# All existing containers
all_containers(){
docker ps -a --format='{{.Names}}' 2>/dev/null
}
# Running containers
running_containers(){
docker ps --format='{{.Names}} {{.Labels}}' 2>/dev/null | grep 'net.unraid.docker.managed=' | awk '{print $1}'
}
# Network driver
driver(){
# user selection when bridge is enabled
if [[ -z $DOCKER_NETWORK_TYPE ]]; then
DETACH='ipvlan'
ATTACH='macvlan'
MODE='bridge'
else
DETACH='macvlan'
ATTACH='ipvlan'
MODE='l2 bridge'
fi
# fixed selection when bridge is disabled
if [[ $1 != br ]]; then
DETACH='ipvlan'
ATTACH='macvlan'
MODE='bridge'
fi
# wlan0 has forced ipvlan
[[ $1 == wlan && $2 == forced ]] && ATTACH=ipvlan
}
# Custom networks
network(){
docker network ls --filter driver="$1" --format='{{.Name}}' 2>/dev/null | grep -P "^[a-z]+$2(\$|\.)" | tr '\n' ' '
}
# Is container running?
container_running(){
local CONTAINER
for CONTAINER in $(running_containers); do
[[ $CONTAINER == $1 ]] && return 0
done
return 1
}
# Does the container exist?
container_exist(){
local CONTAINER
for CONTAINER in $(all_containers); do
[[ $CONTAINER == $1 ]] && return 0
done
return 1
}
container_paths_exist(){
local CONTAINER=$1
while IFS=| read -r HOSTPATH; do
# Make sure hostpath exists
if [[ ! -e "$HOSTPATH" ]]; then
log "container \"$CONTAINER\" hostpath \"$HOSTPATH\" does not exist"
return 1
fi
done <<< $(docker inspect --format='{{range .Mounts}}{{.Source}}|{{end}}' $CONTAINER)
return 0
}
read_dom(){
local IFS=\>
read -d \< ENTITY CONTENT
}
container_add_route(){
local CT=($(docker inspect --format='{{.State.Pid}} {{.NetworkSettings.Networks}}' $1))
local PID=${CT[0]}
local NET=${CT[1]#*[}
local LAN=${NET%:*}
if [[ $PID -gt 0 && "eth0 br0 bond0 wlan0" =~ $LAN ]]; then
local THISIP=$(ip -4 -br addr show scope global primary dev $LAN | awk '{print $3;exit}')
for CFG in /etc/wireguard/wg*.cfg ; do
local NETWORK=$(ip -4 route show to $THISIP dev $LAN | awk '{print $1;exit}')
[[ -n $NETWORK ]] && nsenter -n -t $PID ip -4 route add $NETWORK via ${THISIP%/*} dev $LAN 2>/dev/null
done
fi
}
docker_network_start(){
log "Starting network..."
# ensure br_netfilter modules is loaded, re: https://github.com/moby/moby/issues/48948
modprobe br_netfilter
# create list of possible custom networks
EXCLUDE=; INCLUDE=$(ls --indicator-style=none $SYSTEM | awk '/^br[0-9]+/' ORS=' ')
while IFS=$'\n' read -r NETWORK; do
if [[ ${NETWORK:0:4} == bond ]]; then
if [[ $INCLUDE =~ "${NETWORK/bond/br} " ]]; then
EXCLUDE="${EXCLUDE}${NETWORK} ${NETWORK/bond/eth} "
else
INCLUDE="${INCLUDE}${NETWORK} "
EXCLUDE="${EXCLUDE}${NETWORK/bond/eth} "
fi
elif [[ ${NETWORK:0:3} == eth ]]; then
if [[ $INCLUDE =~ "${NETWORK/eth/br} " || $INCLUDE =~ "${NETWORK/eth/bond} " ]]; then
[[ $EXCLUDE =~ "$NETWORK " ]] || EXCLUDE="${EXCLUDE}${NETWORK} "
else
INCLUDE="${INCLUDE}${NETWORK} "
fi
else
INCLUDE="${INCLUDE}${NETWORK} "
fi
done <<< $(ls --indicator-style=none $SYSTEM | grep -P '^(bond|eth|wlan)[0-9]+')
if ! docker_running; then return 1; fi
# get container settings for custom networks to reconnect later
declare -A NETRESTORE CTRESTORE
for CONTAINER in $(docker container ls -a --format='{{.Names}}'); do
# the file case (due to fat32) might be different so use find to match
XMLFILE=$(find /boot/config/plugins/dockerMan/templates-user -maxdepth 1 -iname my-${CONTAINER}.xml)
if [[ -n $XMLFILE ]]; then
REBUILD=
MAIN=
# update custom network reference (if changed)
for NIC in $NICS; do
[[ ${NIC:0:3} == eth ]] && NIC=$(active $NIC)
X=${NIC//[^0-9]/}
REF=$(grep -Pom1 "<Network>\K(br|bond|eth|wlan)$X" $XMLFILE)
[[ $X == 0 && ! $(carrier $NIC 1) ]] && continue
[[ $X == 0 && $NIC != wlan0 ]] && MAIN=$NIC
[[ $NIC == wlan0 && -n $MAIN ]] && continue
if [[ -n $REF && $REF != $NIC ]]; then
sed -ri "s/<Network>(br|bond|eth|wlan)$X(\.[0-9]+)?<\/Network>/<Network>$NIC\2<\/Network>/" $XMLFILE
# flag container for later rebuild
REBUILD=1
fi
done
MY_NETWORK= MY_IP=
while read_dom; do
[[ $ENTITY == Network ]] && MY_NETWORK=$CONTENT
[[ $ENTITY == MyIP ]] && MY_IP=${CONTENT// /,} && MY_IP=$(echo "$MY_IP" | tr -s "," ";")
done <$XMLFILE
# only restore valid networks
if [[ -n $MY_NETWORK ]]; then
NETRESTORE[$MY_NETWORK]="$CONTAINER,$MY_IP ${NETRESTORE[$MY_NETWORK]}"
# save container name for later rebuild
CTRESTORE[$MY_NETWORK]=$REBUILD
fi
fi
# restore user defined networks
USER_NETWORKS=$(docker inspect --format='{{range $key,$value:=.NetworkSettings.Networks}}{{$key}};{{if $value.IPAMConfig}}{{if $value.IPAMConfig.IPv4Address}}{{$value.IPAMConfig.IPv4Address}}{{end}}{{if $value.IPAMConfig.IPv6Address}},{{$value.IPAMConfig.IPv6Address}}{{end}}{{end}} {{end}}' $CONTAINER)
for ROW in $USER_NETWORKS; do
ROW=(${ROW/;/ })
USER_NETWORK=${ROW[0]}
USER_IP=${ROW[1]/,/;}
if [[ -n $USER_NETWORK && $USER_NETWORK != $MY_NETWORK ]]; then
LABEL=${USER_NETWORK//[0-9.]/}
IF_NO_PARTS=${USER_NETWORK#"$LABEL"}
IF_NO=${IF_NO_PARTS%%.*}
if [[ $STOCK =~ $LABEL && $IF_NO -gt 0 ]]; then
USER_NETWORK=$USER_NETWORK
elif [[ $STOCK =~ $LABEL && $LABEL != ${PORT:0:-1} ]]; then
USER_NETWORK=${USER_NETWORK/$LABEL/${PORT:0:-1}}
fi
log "container $CONTAINER has an additional network that will be restored: $USER_NETWORK"
NETRESTORE[$USER_NETWORK]="$CONTAINER,$USER_IP ${NETRESTORE[$USER_NETWORK]}"
fi
done
done
# detach custom networks
for NIC in $NICS; do
[[ ${NIC:0:3} == eth ]] && NIC=$(active $NIC)
X=${NIC//[^0-9]/}
driver ${NIC//[0-9]/}
for NETWORK in $(network $DETACH $X); do
[[ $STOCK =~ ${NETWORK%%[0-9]*} || $DOCKER_USER_NETWORKS != preserve ]] && docker network rm $NETWORK &>/dev/null
done
# get existing custom networks
for NETWORK in $(network $ATTACH $X); do
if [[ $STOCK =~ ${NETWORK%%[0-9]*} ]]; then
[[ $EXCLUDE =~ "$NETWORK " || ! $ACTIVE =~ "$NETWORK " ]] && docker network rm $NETWORK &>/dev/null
else
[[ $DOCKER_USER_NETWORKS != preserve ]] && docker network rm $NETWORK &>/dev/null
fi
done
NETWORKS=$(network $ATTACH $X)
done
# add or remove custom network
for NETWORK in $INCLUDE; do
if [[ ! $DOCKER_CUSTOM_NETWORKS =~ "$NETWORK " ]]; then
# automatic assignment
AUTO=${NETWORK/./_}
AUTO=DOCKER_AUTO_${AUTO^^}
if [[ ${!AUTO} == no ]]; then
[[ $NETWORKS =~ "$NETWORK " ]] && docker network rm $NETWORK &>/dev/null
continue
fi
# add auto defined networks
SUBNET=; GATEWAY=; SERVER=; RANGE=;
[[ -z ${!AUTO} || ${!AUTO} =~ "4" ]] && IPV4=$(ip -4 -br addr show scope global primary dev $NETWORK | awk '{print $3;exit}') || IPV4=
if [[ -n $IPV4 ]]; then
SUBNET=$(ip -4 route show dev $NETWORK | sort | awk -v ORS=" " '$1 !~ /^default/ {print $1}' | sed 's/ $//')
GATEWAY=$(ip -4 route show to default dev $NETWORK | awk '{print $3;exit}')
SERVER=${IPV4%/*}
DHCP=${NETWORK/./_}
DHCP=DOCKER_DHCP_${DHCP^^}
RANGE=${!DHCP}
fi
SUBNET6=; GATEWAY6=;
# get IPv6 address - ignore any /128 networks
[[ -z ${!AUTO} || ${!AUTO} =~ "6" ]] && IPV6=$(ip -6 -br addr show scope global primary -deprecated dev $NETWORK | awk '{print $3;exit}') || IPV6=
if [[ -n $IPV6 ]]; then
SUBNET6=$(ip -6 route show dev $NETWORK | sort | awk -v ORS=" " '$1 !~ /^(default|fe80)/ {print $1}' | sed 's/ $//')
GATEWAY6=$(ip -6 route show to default dev $NETWORK | awk '{print $3;exit}')
fi
else
# add user defined networks
IPV4=
IPV6=
DEVICE=${NETWORK/./_}
DEVICE=${DEVICE^^}
SUBNET=DOCKER_SUBNET_$DEVICE
SUBNET=${!SUBNET}
GATEWAY=DOCKER_GATEWAY_$DEVICE
GATEWAY=${!GATEWAY}
SERVER=
RANGE=DOCKER_RANGE_$DEVICE
RANGE=${!RANGE}
SUBNET6=DOCKER_SUBNET6_$DEVICE
SUBNET6=${!SUBNET6}
GATEWAY6=DOCKER_GATEWAY6_$DEVICE
GATEWAY6=${!GATEWAY6}
fi
# set parameters for custom network creation
[[ -n $SUBNET ]] && SET4=1 || SET4=0
[[ -n $SUBNET6 ]] && SET6=1 || SET6=0
if [[ $SET4 == 1 ]]; then
SUBNET="--subnet=${SUBNET// / --subnet=}"
[[ -n $GATEWAY ]] && GATEWAY="--gateway=$GATEWAY"
[[ -n $SERVER ]] && SERVER="--aux-address=server=$SERVER"
[[ -n $RANGE ]] && RANGE="--ip-range=$RANGE"
else
GATEWAY=
SERVER=
RANGE=
fi
if [[ $SET6 == 1 ]]; then
SUBNET6="--ipv6 --subnet=${SUBNET6// / --ipv6 --subnet=}"
[[ -n $GATEWAY6 && ${GATEWAY6:0:4} != fe80 ]] && GATEWAY6="--gateway=$GATEWAY6" || GATEWAY6=
else
GATEWAY6=
fi
if [[ $SET4 == 1 || $SET6 == 1 ]]; then
TYPE=${NETWORK//[0-9.]/}
driver $TYPE forced
if [[ $TYPE == br || $TYPE == wlan ]]; then
VHOST=$NETWORK
else
[[ -n $IPV4 && $DOCKER_ALLOW_ACCESS == yes ]] && VHOST=vhost${NETWORK//[^0-9.]/} || VHOST=$NETWORK
fi
# delete and recreate unconditionally
log "Processing... $NETWORK"
docker network rm $NETWORK &>/dev/null
docker network create -d $ATTACH $SUBNET $GATEWAY $SERVER $RANGE $SUBNET6 $GATEWAY6 -o parent=$VHOST $NETWORK | xargs docker network inspect -f "created network $ATTACH {{.Name}} with subnets: {{range .IPAM.Config}}{{.Subnet}}; {{end}}" 2>/dev/null | log
# connect containers to this new network
for CONNECT in ${NETRESTORE[$NETWORK]}; do
CONTAINER=${CONNECT%,*}
MY_TT=${CONNECT#*,}
MY_IP=
for IP in ${MY_TT//;/ }; do
[[ $IP =~ ':' ]] && MY_IP="$MY_IP --ip6 $IP" || MY_IP="$MY_IP --ip $IP"
done
log "connecting $CONTAINER to network $NETWORK"
docker network connect $MY_IP $NETWORK $CONTAINER >/dev/null
if [[ -n ${CTRESTORE[$NETWORK]} ]]; then
# rebuild the container to use changed network
log "rebuild container $CONTAINER"
/usr/local/emhttp/plugins/dynamix.docker.manager/scripts/rebuild_container $CONTAINER
fi
done
# hack to let containers talk to host
if [[ $TYPE == br ]]; then
SHIM=shim-$NETWORK
if [[ $DOCKER_ALLOW_ACCESS == yes && -n $IPV4 ]]; then
# create shim interface
if [[ ! -e $SYSTEM/$SHIM ]]; then
run ip link add link $NETWORK name $SHIM type $ATTACH mode $MODE
run ip link set $SHIM up
fi
# disable IPv6 on shim interface
echo 1 >$CONF6/$SHIM/disable_ipv6
run ip -6 addr flush dev $SHIM
# copy parent IPv4 address to shim interface
run ip -4 addr add $IPV4 dev $SHIM metric 0
add_entry "$SHIM $IPV4 metric 0"
GW4=$(ip -4 route show to default dev $NETWORK | awk '{print $3;exit}')
if [[ -n $GW4 ]]; then
run ip -4 route add default via $GW4 dev $SHIM metric 0
add_entry "$SHIM GW4 default via $GW4 metric 0"
fi
log "created network $SHIM for host access"
elif [[ -e $SYSTEM/$SHIM ]]; then
# remove shim interface assignment
del_entry $SHIM
run ip -4 addr del $IPV4 dev $SHIM metric 0
fi
else
if [[ $TYPE == wlan ]]; then
VHOST=shim-$NETWORK
else
VHOST=vhost${NETWORK//[^0-9.]/}
fi
if [[ -n $IPV4 && $DOCKER_ALLOW_ACCESS == yes ]]; then
# disable IPv6 on vhost interface
echo 1 >$CONF6/$VHOST/disable_ipv6
run ip -6 addr flush dev $VHOST
# copy parent IPv4 address to vhost interface
run ip -4 addr add $IPV4 dev $VHOST metric 0
add_entry "$VHOST $IPV4 metric 0"
GW4=$(ip -4 route show to default dev $NETWORK | awk '{print $3;exit}')
if [[ -n $GW4 ]]; then
run ip -4 route add default via $GW4 dev $VHOST metric 0
add_entry "$VHOST GW4 default via $GW4 metric 0"
fi
log "created network $VHOST for host access"
elif [[ -n $IPV4 && -e $SYSTEM/$VHOST ]]; then
# remove vhost interface assignment
del_entry $VHOST
run ip -4 addr del $IPV4 dev $VHOST metric 0
fi
fi
fi
done
# # create IPv6 forward accept rule
# if [[ $IPV6_FORWARD == accept ]]; then
# ip6tables -P FORWARD ACCEPT
# log "created forward accept rule for IPv6 network"
# fi
log "Network started."
}
docker_network_stop(){
log "Stopping network..."
if ! docker_running; then return 1; fi
# Read docker configuration file
[[ -f $DOCKER_CFG ]] && . $DOCKER_CFG
for NIC in $NICS; do
[[ ${NIC:0:3} == eth ]] && NIC=$(active $NIC)
driver ${NIC//[0-9]/} forced
for NETWORK in $(network $ATTACH ${NIC//[^0-9]/}); do
IPV4=$(ip -4 -br addr show scope global primary dev $NETWORK | awk '{print $3;exit}')
[[ $STOCK =~ ${NETWORK%%[0-9]*} || $DOCKER_USER_NETWORKS != preserve ]] && docker network rm $NETWORK &>/dev/null
TYPE=${NETWORK//[0-9.]/}
if [[ $TYPE == br || $TYPE == wlan ]]; then
SHIM=shim-$NETWORK
if [[ -e $SYSTEM/$SHIM ]]; then
del_entry $SHIM
run ip -4 addr del $IPV4 dev $SHIM metric 0
fi
else
VHOST=vhost${NETWORK//[^0-9.]/}
if [[ -e $SYSTEM/$VHOST ]]; then
del_entry $VHOST
run ip -4 addr del $IPV4 dev $VHOST metric 0
fi
fi
done
done
log "Network stopped."
}
docker_container_start(){
log "Starting containers..."
local CONTAINER
if ! docker_running; then return 1; fi
if [[ -f $DOCKER_ROOT/unraid-autostart ]]; then
while read -r CONTAINER; do
CONTAINER=($CONTAINER)
WAIT=${CONTAINER[1]}
if container_exist $CONTAINER && ! container_running $CONTAINER && container_paths_exist $CONTAINER; then
OUT=$(docker start $CONTAINER 2>&1)
if [[ $OUT =~ "Error:" ]]; then
log "$CONTAINER: $OUT" &
else
container_add_route $CONTAINER
log "$CONTAINER: started successfully!" &
if [[ $WAIT -gt 0 ]]; then
log "$CONTAINER: wait $WAIT seconds" &
sleep $WAIT
fi
fi
fi
done <$DOCKER_ROOT/unraid-autostart
fi
log "Containers started."
}
docker_container_stop(){
log "Stopping containers..."
if ! docker_running; then return 1; fi
[[ -n $(running_containers) ]] && docker stop --time=${DOCKER_TIMEOUT:-10} $(running_containers) >/dev/null
log "Unraid managed containers stopped."
}
docker_service_start(){
log "Starting $DAEMON..."
local REPLY
[[ -x $DOCKER ]] && REPLY= || REPLY="Failed"
if [[ -z $REPLY ]]; then
if ! mountpoint $DOCKER_ROOT &>/dev/null; then
REPLY="No image mounted at $DOCKER_ROOT"
elif docker_running; then
REPLY="Already started"
fi
fi
if [[ -z $REPLY ]]; then
# If there is an old PID file (no docker running), clean it up:
if [[ -r $DOCKER_PIDFILE ]]; then
if ! docker_running; then
rm -f $DOCKER_PIDFILE
fi
fi
nohup $UNSHARE --propagation slave -- $DOCKER -p $DOCKER_PIDFILE $DOCKER_OPTS >>$DOCKER_LOG 2>&1 &
wait_daemon
# after docket started, continue to accept non-docker IPv6 traffic on br0
ip6tables -P FORWARD ACCEPT
# log "created forward accept rule for IPv6 network"
if docker_running; then REPLY="Started"; else REPLY="Failed"; fi
fi
log "$DAEMON... $REPLY."
}
docker_service_stop(){
log "Stopping $DAEMON..."
local REPLY
# If there is no PID file, ignore this request...
if [[ -r $DOCKER_PIDFILE ]]; then
# Try to stop dockerd gracefully
kill $(docker_pid) 2>/dev/null
# show waiting message
echo "Waiting 30 seconds for $DAEMON to die."
TIMER=30
# must ensure daemon has exited
while [[ $TIMER -gt 0 ]]; do
sleep 1
if [[ $(ps -p $(docker_pid) -o comm= 2>/dev/null) != $DOCKERD ]]; then
rm -f $DOCKER_PIDFILE
# tear down the bridge
if [[ -e $SYSTEM/docker0 ]]; then
run ip link set docker0 down
run ip link del docker0
fi
REPLY="Stopped"
# signal successful stop
TIMER=-1
else
((TIMER--))
fi
done
if [[ $TIMER -eq 0 ]]; then
log "Error: process will not die!"
# Send SIGKILL to dockerd
kill -SIGKILL $(docker_pid) 2>/dev/null
# Remove .sock and .pid
rm -f /var/run/docker.sock $DOCKER_PIDFILE
REPLY="Killed"
fi
else
REPLY="Already stopped"
fi
log "$DAEMON... $REPLY."
}
docker_status(){
if docker_running; then
echo "$DAEMON is currently running."
else
echo "$DAEMON is not running."
exit 1
fi
}
case "$1" in
'start')
docker_read_options
docker_service_start
docker_network_start
docker_container_start &>/dev/null &
;;
'stop')
docker_container_stop
docker_network_stop
docker_service_stop
;;
'force_stop')
docker_container_stop
docker_service_stop
;;
'restart')
docker_container_stop
docker_network_stop
docker_service_stop
sleep 1
docker_read_options
docker_service_start
docker_network_start
docker_container_start &>/dev/null &
;;
'status')
docker_status
;;
*)
echo "Usage: $BASENAME start|stop|force_stop|restart|status"
exit 1
esac
exit 0