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set_mirror.sh
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#!/usr/bin/env bash
set -e
if [ -z "$1" ]
then
echo 'Error: Registry-mirror url required.'
exit 1
fi
MIRROR_URL=$1
lsb_dist=''
command_exists() {
command -v "$@" > /dev/null 2>&1
}
if command_exists lsb_release; then
lsb_dist="$(lsb_release -si)"
lsb_version="$(lsb_release -rs)"
fi
if [ -z "$lsb_dist" ] && [ -r /etc/lsb-release ]; then
lsb_dist="$(. /etc/lsb-release && echo "$DISTRIB_ID")"
lsb_version="$(. /etc/lsb-release && echo "$DISTRIB_RELEASE")"
fi
if [ -z "$lsb_dist" ] && [ -r /etc/debian_version ]; then
lsb_dist='debian'
fi
if [ -z "$lsb_dist" ] && [ -r /etc/fedora-release ]; then
lsb_dist='fedora'
fi
if [ -z "$lsb_dist" ] && [ -r /etc/os-release ]; then
lsb_dist="$(. /etc/os-release && echo "$ID")"
fi
if [ -z "$lsb_dist" ] && [ -r /etc/centos-release ]; then
lsb_dist="$(cat /etc/*-release | head -n1 | cut -d " " -f1)"
fi
if [ -z "$lsb_dist" ] && [ -r /etc/redhat-release ]; then
lsb_dist="$(cat /etc/*-release | head -n1 | cut -d " " -f1)"
fi
lsb_dist="$(echo $lsb_dist | cut -d " " -f1)"
docker_version="$(docker -v | awk '{print $3}')"
docker_major_version="$(echo $docker_version| cut -d "." -f1)"
docker_minor_version="$(echo $docker_version| cut -d "." -f2)"
lsb_dist="$(echo "$lsb_dist" | tr '[:upper:]' '[:lower:]')"
set_daemon_json_file(){
DOCKER_DAEMON_JSON_FILE="/etc/docker/daemon.json"
if sudo test -f ${DOCKER_DAEMON_JSON_FILE}
then
sudo cp ${DOCKER_DAEMON_JSON_FILE} "${DOCKER_DAEMON_JSON_FILE}.bak"
if sudo grep -q registry-mirrors "${DOCKER_DAEMON_JSON_FILE}.bak";then
sudo cat "${DOCKER_DAEMON_JSON_FILE}.bak" | sed -n "1h;1"'!'"H;\${g;s|\"registry-mirrors\":\s*\[[^]]*\]|\"registry-mirrors\": [\"${MIRROR_URL}\"]|g;p;}" | sudo tee ${DOCKER_DAEMON_JSON_FILE}
else
sudo cat "${DOCKER_DAEMON_JSON_FILE}.bak" | sed -n "s|{|{\"registry-mirrors\": [\"${MIRROR_URL}\"],|g;p;" | sudo tee ${DOCKER_DAEMON_JSON_FILE}
fi
else
sudo mkdir -p "/etc/docker"
sudo echo "{\"registry-mirrors\": [\"${MIRROR_URL}\"]}" | sudo tee ${DOCKER_DAEMON_JSON_FILE}
fi
}
can_set_json(){
if [ "$docker_major_version" -eq 1 ] && [ "$docker_minor_version" -lt 12 ]
then
echo "docker version < 1.12"
return 0
else
echo "docker version >= 1.12"
return 1
fi
}
set_mirror(){
if [ "$docker_major_version" -eq 1 ] && [ "$docker_minor_version" -lt 9 ]
then
echo "please upgrade your docker to v1.9 or later"
exit 1
fi
case "$lsb_dist" in
centos)
if grep "CentOS release 6" /etc/redhat-release > /dev/null
then
DOCKER_SERVICE_FILE="/etc/sysconfig/docker"
sudo cp ${DOCKER_SERVICE_FILE} "${DOCKER_SERVICE_FILE}.bak"
sudo sed -i "s|other_args=\"|other_args=\"--registry-mirror='${MIRROR_URL}'|g" ${DOCKER_SERVICE_FILE}
sudo sed -i "s|OPTIONS='|OPTIONS='--registry-mirror='${MIRROR_URL}'|g" ${DOCKER_SERVICE_FILE}
echo "Success."
echo "You need to restart docker to take effect: sudo service docker restart"
exit 0
fi
if grep "CentOS Linux release 7" /etc/redhat-release > /dev/null
then
if can_set_json; then
DOCKER_SERVICE_FILE="/lib/systemd/system/docker.service"
sudo cp ${DOCKER_SERVICE_FILE} "${DOCKER_SERVICE_FILE}.bak"
sudo sed -i "s|\(ExecStart=/usr/bin/docker[^ ]* daemon\)|\1 --registry-mirror="${MIRROR_URL}"|g" ${DOCKER_SERVICE_FILE}
sudo systemctl daemon-reload
else
set_daemon_json_file
fi
echo "Success."
echo "You need to restart docker to take effect: sudo systemctl restart docker "
exit 0
else
echo "Error: Set mirror failed, please set registry-mirror manually please."
exit 1
fi
;;
fedora)
if grep "Fedora release" /etc/fedora-release > /dev/null
then
if can_set_json; then
DOCKER_SERVICE_FILE="/lib/systemd/system/docker.service"
sudo cp ${DOCKER_SERVICE_FILE} "${DOCKER_SERVICE_FILE}.bak"
sudo sed -i "s|\(ExecStart=/usr/bin/docker[^ ]* daemon\)|\1 --registry-mirror="${MIRROR_URL}"|g" ${DOCKER_SERVICE_FILE}
sudo systemctl daemon-reload
else
set_daemon_json_file
fi
echo "Success."
echo "You need to restart docker to take effect: sudo systemctl restart docker"
exit 0
else
echo "Error: Set mirror failed, please set registry-mirror manually please."
exit 1
fi
;;
ubuntu)
v1=`echo ${lsb_version} | cut -d "." -f1`
if [ "$v1" -ge 16 ]; then
if can_set_json; then
DOCKER_SERVICE_FILE="/lib/systemd/system/docker.service"
sudo cp ${DOCKER_SERVICE_FILE} "${DOCKER_SERVICE_FILE}.bak"
sudo sed -i "s|\(ExecStart=/usr/bin/docker[^ ]* daemon -H fd://$\)|\1 --registry-mirror="${MIRROR_URL}"|g" ${DOCKER_SERVICE_FILE}
sudo systemctl daemon-reload
else
set_daemon_json_file
fi
echo "Success."
echo "You need to restart docker to take effect: sudo systemctl restart docker.service"
exit 0
else
if can_set_json; then
DOCKER_SERVICE_FILE="/etc/default/docker"
sudo cp ${DOCKER_SERVICE_FILE} "${DOCKER_SERVICE_FILE}.bak"
if grep "registry-mirror" ${DOCKER_SERVICE_FILE} > /dev/null
then
sudo sed -i -u -E "s#--registry-mirror='?((http|https)://)?[a-zA-Z0-9.]+'?#--registry-mirror='${MIRROR_URL}'#g" ${DOCKER_SERVICE_FILE}
else
echo 'DOCKER_OPTS="$DOCKER_OPTS --registry-mirror='${MIRROR_URL}'"' >> ${DOCKER_SERVICE_FILE}
echo ${MIRROR_URL}
fi
else
set_daemon_json_file
fi
fi
echo "Success."
echo "You need to restart docker to take effect: sudo service docker restart"
exit 0
;;
debian)
if can_set_json; then
DOCKER_SERVICE_FILE="/etc/default/docker"
sudo cp ${DOCKER_SERVICE_FILE} "${DOCKER_SERVICE_FILE}.bak"
if grep "registry-mirror" ${DOCKER_SERVICE_FILE} > /dev/null
then
sudo sed -i -u -E "s#--registry-mirror='?((http|https)://)?[a-zA-Z0-9.]+'?#--registry-mirror='${MIRROR_URL}'#g" ${DOCKER_SERVICE_FILE}
else
echo 'DOCKER_OPTS="$DOCKER_OPTS --registry-mirror='${MIRROR_URL}'"' >> ${DOCKER_SERVICE_FILE}
echo ${MIRROR_URL}
fi
else
set_daemon_json_file
fi
echo "Success."
echo "You need to restart docker to take effect: sudo service docker restart"
exit 0
;;
arch)
if grep "Arch Linux" /etc/os-release > /dev/null
then
if can_set_json; then
DOCKER_SERVICE_FILE="/lib/systemd/system/docker.service"
sudo cp ${DOCKER_SERVICE_FILE} "${DOCKER_SERVICE_FILE}.bak"
sudo sed -i "s|\(ExecStart=/usr/bin/docker[^ ]* daemon -H fd://\)|\1 --registry-mirror="${MIRROR_URL}"|g" ${DOCKER_SERVICE_FILE}
sudo systemctl daemon-reload
else
set_daemon_json_file
fi
echo "Success."
echo "You need to restart docker to take effect: sudo systemctl restart docker"
exit 0
else
echo "Error: Set mirror failed, please set registry-mirror manually please."
exit 1
fi
;;
suse)
if grep "openSUSE Leap" /etc/os-release > /dev/null
then
if can_set_json; then
DOCKER_SERVICE_FILE="/usr/lib/systemd/system/docker.service"
sudo cp ${DOCKER_SERVICE_FILE} "${DOCKER_SERVICE_FILE}.bak"
sudo sed -i "s|\(^ExecStart=/usr/bin/docker daemon -H fd://\)|\1 --registry-mirror="${MIRROR_URL}"|g" ${DOCKER_SERVICE_FILE}
sudo systemctl daemon-reload
else
set_daemon_json_file
fi
echo "Success."
echo "You need to restart docker to take effect: sudo systemctl restart docker"
exit 0
else
echo "Error: Set mirror failed, please set registry-mirror manually please."
exit 1
fi
esac
echo "Error: Unsupported OS, please set registry-mirror manually."
exit 1
}
set_mirror