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get-docker
#!/bin/sh
set -e
#
# This script is meant for quick & easy install via:
# 'curl -sSL https://get.docker.com/ | sh'
# or:
# 'wget -qO- https://get.docker.com/ | sh'
#
# For test builds (ie. release candidates):
# 'curl -fsSL https://test.docker.com/ | sh'
# or:
# 'wget -qO- https://test.docker.com/ | sh'
#
# For experimental builds:
# 'curl -fsSL https://experimental.docker.com/ | sh'
# or:
# 'wget -qO- https://experimental.docker.com/ | sh'
#
# Docker Maintainers:
# To update this script on https://get.docker.com,
# use hack/release.sh during a normal release,
# or the following one-liner for script hotfixes:
# aws s3 cp --acl public-read hack/install.sh s3://get.docker.com/index
#
url="https://get.docker.com/"
apt_url="https://apt.dockerproject.org"
yum_url="https://yum.dockerproject.org"
docker_key="-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v1
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=Yhur
-----END PGP PUBLIC KEY BLOCK-----
"
mirror=''
while [ $# -gt 0 ]; do
case "$1" in
--mirror)
mirror="$2"
shift
;;
*)
echo "Illegal option $1"
;;
esac
shift $(( $# > 0 ? 1 : 0 ))
done
case "$mirror" in
AzureChinaCloud)
apt_url="https://mirror.azure.cn/docker-engine/apt"
yum_url="https://mirror.azure.cn/docker-engine/yum"
;;
Aliyun)
apt_url="https://mirrors.aliyun.com/docker-engine/apt"
yum_url="https://mirrors.aliyun.com/docker-engine/yum"
;;
esac
command_exists() {
command -v "$@" > /dev/null 2>&1
}
echo_docker_as_nonroot() {
if command_exists docker && [ -e /var/run/docker.sock ]; then
(
set -x
$sh_c 'docker version'
) || true
fi
your_user=your-user
[ "$user" != 'root' ] && your_user="$user"
# intentionally mixed spaces and tabs here -- tabs are stripped by "<<-EOF", spaces are kept in the output
cat <<-EOF
If you would like to use Docker as a non-root user, you should now consider
adding your user to the "docker" group with something like:
sudo usermod -aG docker $your_user
Remember that you will have to log out and back in for this to take effect!
WARNING: Adding a user to the "docker" group will grant the ability to run
containers which can be used to obtain root privileges on the
docker host.
Refer to https://docs.docker.com/engine/security/security/#docker-daemon-attack-surface
for more information.
EOF
}
# Check if this is a forked Linux distro
check_forked() {
# Check for lsb_release command existence, it usually exists in forked distros
if command_exists lsb_release; then
# Check if the `-u` option is supported
set +e
lsb_release -a -u > /dev/null 2>&1
lsb_release_exit_code=$?
set -e
# Check if the command has exited successfully, it means we're in a forked distro
if [ "$lsb_release_exit_code" = "0" ]; then
# Print info about current distro
cat <<-EOF
You're using '$lsb_dist' version '$dist_version'.
EOF
# Get the upstream release info
lsb_dist=$(lsb_release -a -u 2>&1 | tr '[:upper:]' '[:lower:]' | grep -E 'id' | cut -d ':' -f 2 | tr -d '[[:space:]]')
dist_version=$(lsb_release -a -u 2>&1 | tr '[:upper:]' '[:lower:]' | grep -E 'codename' | cut -d ':' -f 2 | tr -d '[[:space:]]')
# Print info about upstream distro
cat <<-EOF
Upstream release is '$lsb_dist' version '$dist_version'.
EOF
else
if [ -r /etc/debian_version ] && [ "$lsb_dist" != "ubuntu" ] && [ "$lsb_dist" != "raspbian" ]; then
# We're Debian and don't even know it!
lsb_dist=debian
dist_version="$(cat /etc/debian_version | sed 's/\/.*//' | sed 's/\..*//')"
case "$dist_version" in
9)
dist_version="stretch"
;;
8|'Kali Linux 2')
dist_version="jessie"
;;
7)
dist_version="wheezy"
;;
esac
fi
fi
fi
}
semverParse() {
major="${1%%.*}"
minor="${1#$major.}"
minor="${minor%%.*}"
patch="${1#$major.$minor.}"
patch="${patch%%[-.]*}"
}
do_install() {
architecture=$(uname -m)
case $architecture in
# officially supported
amd64|x86_64)
;;
# unofficially supported with available repositories
armv6l|armv7l)
;;
# unofficially supported without available repositories
aarch64|arm64|ppc64le|s390x)
cat 1>&2 <<-EOF
Error: This install script does not support $architecture, because no
$architecture package exists in Docker's repositories.
Other install options include checking your distribution's package repository
for a version of Docker, or building Docker from source.
EOF
exit 1
;;
# not supported
*)
cat >&2 <<-EOF
Error: $architecture is not a recognized platform.
EOF
exit 1
;;
esac
if command_exists docker; then
version="$(docker -v | cut -d ' ' -f3 | cut -d ',' -f1)"
MAJOR_W=1
MINOR_W=10
semverParse $version
shouldWarn=0
if [ $major -lt $MAJOR_W ]; then
shouldWarn=1
fi
if [ $major -le $MAJOR_W ] && [ $minor -lt $MINOR_W ]; then
shouldWarn=1
fi
cat >&2 <<-'EOF'
Warning: the "docker" command appears to already exist on this system.
If you already have Docker installed, this script can cause trouble, which is
why we're displaying this warning and provide the opportunity to cancel the
installation.
If you installed the current Docker package using this script and are using it
EOF
if [ $shouldWarn -eq 1 ]; then
cat >&2 <<-'EOF'
again to update Docker, we urge you to migrate your image store before upgrading
to v1.10+.
You can find instructions for this here:
https://github.com/docker/docker/wiki/Engine-v1.10.0-content-addressability-migration
EOF
else
cat >&2 <<-'EOF'
again to update Docker, you can safely ignore this message.
EOF
fi
cat >&2 <<-'EOF'
You may press Ctrl+C now to abort this script.
EOF
( set -x; sleep 20 )
fi
user="$(id -un 2>/dev/null || true)"
sh_c='sh -c'
if [ "$user" != 'root' ]; then
if command_exists sudo; then
sh_c='sudo -E sh -c'
elif command_exists su; then
sh_c='su -c'
else
cat >&2 <<-'EOF'
Error: this installer needs the ability to run commands as root.
We are unable to find either "sudo" or "su" available to make this happen.
EOF
exit 1
fi
fi
curl=''
if command_exists curl; then
curl='curl -sSL'
elif command_exists wget; then
curl='wget -qO-'
elif command_exists busybox && busybox --list-modules | grep -q wget; then
curl='busybox wget -qO-'
fi
# check to see which repo they are trying to install from
if [ -z "$repo" ]; then
repo='main'
if [ "https://test.docker.com/" = "$url" ]; then
repo='testing'
elif [ "https://experimental.docker.com/" = "$url" ]; then
repo='experimental'
fi
fi
# perform some very rudimentary platform detection
lsb_dist=''
dist_version=''
if command_exists lsb_release; then
lsb_dist="$(lsb_release -si)"
fi
if [ -z "$lsb_dist" ] && [ -r /etc/lsb-release ]; then
lsb_dist="$(. /etc/lsb-release && echo "$DISTRIB_ID")"
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 "$lsb_dist" ] && [ -r /etc/oracle-release ]; then
lsb_dist='oracleserver'
fi
if [ -z "$lsb_dist" ] && [ -r /etc/centos-release ]; then
lsb_dist='centos'
fi
if [ -z "$lsb_dist" ] && [ -r /etc/redhat-release ]; then
lsb_dist='redhat'
fi
if [ -z "$lsb_dist" ] && [ -r /etc/photon-release ]; then
lsb_dist='photon'
fi
if [ -z "$lsb_dist" ] && [ -r /etc/os-release ]; then
lsb_dist="$(. /etc/os-release && echo "$ID")"
fi
lsb_dist="$(echo "$lsb_dist" | tr '[:upper:]' '[:lower:]')"
# Special case redhatenterpriseserver
if [ "${lsb_dist}" = "redhatenterpriseserver" ]; then
# Set it to redhat, it will be changed to centos below anyways
lsb_dist='redhat'
fi
case "$lsb_dist" in
ubuntu)
if command_exists lsb_release; then
dist_version="$(lsb_release --codename | cut -f2)"
fi
if [ -z "$dist_version" ] && [ -r /etc/lsb-release ]; then
dist_version="$(. /etc/lsb-release && echo "$DISTRIB_CODENAME")"
fi
;;
debian|raspbian)
dist_version="$(cat /etc/debian_version | sed 's/\/.*//' | sed 's/\..*//')"
case "$dist_version" in
9)
dist_version="stretch"
;;
8)
dist_version="jessie"
;;
7)
dist_version="wheezy"
;;
esac
;;
oracleserver)
# need to switch lsb_dist to match yum repo URL
lsb_dist="oraclelinux"
dist_version="$(rpm -q --whatprovides redhat-release --queryformat "%{VERSION}\n" | sed 's/\/.*//' | sed 's/\..*//' | sed 's/Server*//')"
;;
fedora|centos|redhat)
dist_version="$(rpm -q --whatprovides ${lsb_dist}-release --queryformat "%{VERSION}\n" | sed 's/\/.*//' | sed 's/\..*//' | sed 's/Server*//' | sort | tail -1)"
;;
"vmware photon")
lsb_dist="photon"
dist_version="$(. /etc/os-release && echo "$VERSION_ID")"
;;
*)
if command_exists lsb_release; then
dist_version="$(lsb_release --codename | cut -f2)"
fi
if [ -z "$dist_version" ] && [ -r /etc/os-release ]; then
dist_version="$(. /etc/os-release && echo "$VERSION_ID")"
fi
;;
esac
# Check if this is a forked Linux distro
check_forked
# Run setup for each distro accordingly
case "$lsb_dist" in
ubuntu|debian|raspbian)
export DEBIAN_FRONTEND=noninteractive
did_apt_get_update=
apt_get_update() {
if [ -z "$did_apt_get_update" ]; then
( set -x; $sh_c 'sleep 3; apt-get update' )
did_apt_get_update=1
fi
}
if [ "$lsb_dist" != "raspbian" ]; then
# aufs is preferred over devicemapper; try to ensure the driver is available.
if ! grep -q aufs /proc/filesystems && ! $sh_c 'modprobe aufs'; then
if uname -r | grep -q -- '-generic' && dpkg -l 'linux-image-*-generic' | grep -qE '^ii|^hi' 2>/dev/null; then
kern_extras="linux-image-extra-$(uname -r) linux-image-extra-virtual"
apt_get_update
( set -x; $sh_c 'sleep 3; apt-get install -y -q '"$kern_extras" ) || true
if ! grep -q aufs /proc/filesystems && ! $sh_c 'modprobe aufs'; then
echo >&2 'Warning: tried to install '"$kern_extras"' (for AUFS)'
echo >&2 ' but we still have no AUFS. Docker may not work. Proceeding anyways!'
( set -x; sleep 10 )
fi
else
echo >&2 'Warning: current kernel is not supported by the linux-image-extra-virtual'
echo >&2 ' package. We have no AUFS support. Consider installing the packages'
echo >&2 ' linux-image-virtual kernel and linux-image-extra-virtual for AUFS support.'
( set -x; sleep 10 )
fi
fi
fi
# install apparmor utils if they're missing and apparmor is enabled in the kernel
# otherwise Docker will fail to start
if [ "$(cat /sys/module/apparmor/parameters/enabled 2>/dev/null)" = 'Y' ]; then
if command -v apparmor_parser >/dev/null 2>&1; then
echo 'apparmor is enabled in the kernel and apparmor utils were already installed'
else
echo 'apparmor is enabled in the kernel, but apparmor_parser is missing. Trying to install it..'
apt_get_update
( set -x; $sh_c 'sleep 3; apt-get install -y -q apparmor' )
fi
fi
if [ ! -e /usr/lib/apt/methods/https ]; then
apt_get_update
( set -x; $sh_c 'sleep 3; apt-get install -y -q apt-transport-https ca-certificates' )
fi
if [ -z "$curl" ]; then
apt_get_update
( set -x; $sh_c 'sleep 3; apt-get install -y -q curl ca-certificates' )
curl='curl -sSL'
fi
if ! command -v gpg > /dev/null; then
apt_get_update
( set -x; $sh_c 'sleep 3; apt-get install -y -q gnupg2 || apt-get install -y -q gnupg' )
fi
# dirmngr is a separate package in ubuntu yakkety; see https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1634464
if ! command -v dirmngr > /dev/null; then
apt_get_update
( set -x; $sh_c 'sleep 3; apt-get install -y -q dirmngr' )
fi
(
set -x
echo "$docker_key" | $sh_c 'apt-key add -'
$sh_c "mkdir -p /etc/apt/sources.list.d"
$sh_c "echo deb \[arch=$(dpkg --print-architecture)\] ${apt_url}/repo ${lsb_dist}-${dist_version} ${repo} > /etc/apt/sources.list.d/docker.list"
$sh_c 'sleep 3; apt-get update; apt-get install -y -q docker-engine'
)
echo_docker_as_nonroot
exit 0
;;
fedora|centos|redhat|oraclelinux|photon)
if [ "${lsb_dist}" = "redhat" ]; then
# we use the centos repository for both redhat and centos releases
lsb_dist='centos'
fi
$sh_c "cat >/etc/yum.repos.d/docker-${repo}.repo" <<-EOF
[docker-${repo}-repo]
name=Docker ${repo} Repository
baseurl=${yum_url}/repo/${repo}/${lsb_dist}/${dist_version}
enabled=1
gpgcheck=1
gpgkey=${yum_url}/gpg
EOF
if [ "$lsb_dist" = "fedora" ] && [ "$dist_version" -ge "22" ]; then
(
set -x
$sh_c 'sleep 3; dnf -y -q install docker-engine'
)
elif [ "$lsb_dist" = "photon" ]; then
(
set -x
$sh_c 'sleep 3; tdnf -y install docker-engine'
)
else
(
set -x
$sh_c 'sleep 3; yum -y -q install docker-engine'
)
fi
echo_docker_as_nonroot
exit 0
;;
esac
# intentionally mixed spaces and tabs here -- tabs are stripped by "<<-'EOF'", spaces are kept in the output
cat >&2 <<-'EOF'
Either your platform is not easily detectable, is not supported by this
installer script (yet - PRs welcome! [hack/install.sh]), or does not yet have
a package for Docker. Please visit the following URL for more detailed
installation instructions:
https://docs.docker.com/engine/installation/
EOF
exit 1
}
# wrapped up in a function so that we have some protection against only getting
# half the file during "curl | sh"
do_install
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