Merge pull request #12242 from tianon/functionalize-install

Wrap install.sh in a function
This commit is contained in:
Phil Estes 2015-04-10 14:15:38 -04:00
commit 904295fd71
1 changed files with 213 additions and 196 deletions

View File

@ -20,213 +20,230 @@ command_exists() {
command -v "$@" > /dev/null 2>&1
}
case "$(uname -m)" in
*64)
;;
*)
echo >&2 'Error: you are not using a 64bit platform.'
echo >&2 'Docker currently only supports 64bit platforms.'
exit 1
;;
esac
echo_docker_as_nonroot() {
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 command_exists docker || command_exists lxc-docker; then
echo >&2 'Warning: "docker" or "lxc-docker" command appears to already exist.'
echo >&2 'Please ensure that you do not already have docker installed.'
echo >&2 'You may press Ctrl+C now to abort this process and rectify this situation.'
( set -x; sleep 20 )
fi
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:
user="$(id -un 2>/dev/null || true)"
sudo usermod -aG docker $your_user
sh_c='sh -c'
if [ "$user" != 'root' ]; then
if command_exists sudo; then
sh_c='sudo -E sh -c'
elif command_exists su; then
sh_c='su -c'
else
echo >&2 'Error: this installer needs the ability to run commands as root.'
echo >&2 'We are unable to find either "sudo" or "su" available to make this happen.'
exit 1
Remember that you will have to log out and back in for this to take effect!
EOF
}
do_install() {
case "$(uname -m)" in
*64)
;;
*)
cat >&2 <<-'EOF'
Error: you are not using a 64bit platform.
Docker currently only supports 64bit platforms.
EOF
exit 1
;;
esac
if command_exists docker || command_exists lxc-docker; then
cat >&2 <<-'EOF'
Warning: "docker" or "lxc-docker" command appears to already exist.
Please ensure that you do not already have docker installed.
You may press Ctrl+C now to abort this process and rectify this situation.
EOF
( set -x; sleep 20 )
fi
fi
curl=''
if command_exists curl; then
curl='curl -sSL'
elif command_exists wget; then
curl='wget -qO-'
elif command_exists busybox && busybox --list-modules | grep -q wget; then
curl='busybox wget -qO-'
fi
user="$(id -un 2>/dev/null || true)"
# perform some very rudimentary platform detection
lsb_dist=''
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 "$lsb_dist" ] && [ -r /etc/os-release ]; then
lsb_dist="$(. /etc/os-release && echo "$ID")"
fi
lsb_dist="$(echo "$lsb_dist" | tr '[:upper:]' '[:lower:]')"
case "$lsb_dist" in
amzn|fedora|centos)
if [ "$lsb_dist" = 'amzn' ]; then
(
set -x
$sh_c 'sleep 3; yum -y -q install docker'
)
sh_c='sh -c'
if [ "$user" != 'root' ]; then
if command_exists sudo; then
sh_c='sudo -E sh -c'
elif command_exists su; then
sh_c='su -c'
else
(
set -x
$sh_c 'sleep 3; yum -y -q install docker-io'
)
fi
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"
echo
echo 'If you would like to use Docker as a non-root user, you should now consider'
echo 'adding your user to the "docker" group with something like:'
echo
echo ' sudo usermod -aG docker' $your_user
echo
echo 'Remember that you will have to log out and back in for this to take effect!'
echo
exit 0
;;
ubuntu|debian|linuxmint)
export DEBIAN_FRONTEND=noninteractive
did_apt_get_update=
apt_get_update() {
if [ -z "$did_apt_get_update" ]; then
( set -x; $sh_c 'sleep 3; apt-get update' )
did_apt_get_update=1
fi
}
# aufs is preferred over devicemapper; try to ensure the driver is available.
if ! grep -q aufs /proc/filesystems && ! $sh_c 'modprobe aufs'; then
if uname -r | grep -q -- '-generic' && dpkg -l 'linux-image-*-generic' | grep -q '^ii' 2>/dev/null; then
kern_extras="linux-image-extra-$(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
# 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; 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 missing'
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; $sh_c 'sleep 3; apt-get install -y -q curl ca-certificates' )
curl='curl -sSL'
fi
(
set -x
if [ "https://get.docker.com/" = "$url" ]; then
$sh_c "apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9"
elif [ "https://test.docker.com/" = "$url" ]; then
$sh_c "apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 740B314AE3941731B942C66ADF4FD13717AAD7D6"
else
$sh_c "$curl ${url}gpg | apt-key add -"
fi
$sh_c "echo deb ${url}ubuntu docker main > /etc/apt/sources.list.d/docker.list"
$sh_c 'sleep 3; apt-get update; apt-get install -y -q lxc-docker'
)
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"
echo
echo 'If you would like to use Docker as a non-root user, you should now consider'
echo 'adding your user to the "docker" group with something like:'
echo
echo ' sudo usermod -aG docker' $your_user
echo
echo 'Remember that you will have to log out and back in for this to take effect!'
echo
exit 0
;;
gentoo)
if [ "$url" = "https://test.docker.com/" ]; then
echo >&2
echo >&2 ' You appear to be trying to install the latest nightly build in Gentoo.'
echo >&2 ' The portage tree should contain the latest stable release of Docker, but'
echo >&2 ' if you want something more recent, you can always use the live ebuild'
echo >&2 ' provided in the "docker" overlay available via layman. For more'
echo >&2 ' instructions, please see the following URL:'
echo >&2 ' https://github.com/tianon/docker-overlay#using-this-overlay'
echo >&2 ' After adding the "docker" overlay, you should be able to:'
echo >&2 ' emerge -av =app-emulation/docker-9999'
echo >&2
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
(
set -x
$sh_c 'sleep 3; emerge app-emulation/docker'
)
exit 0
;;
esac
curl=''
if command_exists curl; then
curl='curl -sSL'
elif command_exists wget; then
curl='wget -qO-'
elif command_exists busybox && busybox --list-modules | grep -q wget; then
curl='busybox wget -qO-'
fi
cat >&2 <<'EOF'
# perform some very rudimentary platform detection
lsb_dist=''
if command_exists lsb_release; then
lsb_dist="$(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/os-release ]; then
lsb_dist="$(. /etc/os-release && echo "$ID")"
fi
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:
lsb_dist="$(echo "$lsb_dist" | tr '[:upper:]' '[:lower:]')"
case "$lsb_dist" in
amzn|fedora|centos)
if [ "$lsb_dist" = 'amzn' ]; then
(
set -x
$sh_c 'sleep 3; yum -y -q install docker'
)
else
(
set -x
$sh_c 'sleep 3; yum -y -q install docker-io'
)
fi
if command_exists docker && [ -e /var/run/docker.sock ]; then
(
set -x
$sh_c 'docker version'
) || true
fi
echo_docker_as_nonroot
exit 0
;;
https://docs.docker.com/en/latest/installation/
ubuntu|debian|linuxmint)
export DEBIAN_FRONTEND=noninteractive
EOF
exit 1
did_apt_get_update=
apt_get_update() {
if [ -z "$did_apt_get_update" ]; then
( set -x; $sh_c 'sleep 3; apt-get update' )
did_apt_get_update=1
fi
}
# aufs is preferred over devicemapper; try to ensure the driver is available.
if ! grep -q aufs /proc/filesystems && ! $sh_c 'modprobe aufs'; then
if uname -r | grep -q -- '-generic' && dpkg -l 'linux-image-*-generic' | grep -q '^ii' 2>/dev/null; then
kern_extras="linux-image-extra-$(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
# 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; 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 missing'
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; $sh_c 'sleep 3; apt-get install -y -q curl ca-certificates' )
curl='curl -sSL'
fi
(
set -x
if [ "https://get.docker.com/" = "$url" ]; then
$sh_c "apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9"
elif [ "https://test.docker.com/" = "$url" ]; then
$sh_c "apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 740B314AE3941731B942C66ADF4FD13717AAD7D6"
else
$sh_c "$curl ${url}gpg | apt-key add -"
fi
$sh_c "echo deb ${url}ubuntu docker main > /etc/apt/sources.list.d/docker.list"
$sh_c 'sleep 3; apt-get update; apt-get install -y -q lxc-docker'
)
if command_exists docker && [ -e /var/run/docker.sock ]; then
(
set -x
$sh_c 'docker version'
) || true
fi
echo_docker_as_nonroot
exit 0
;;
gentoo)
if [ "$url" = "https://test.docker.com/" ]; then
# intentionally mixed spaces and tabs here -- tabs are stripped by "<<-'EOF'", spaces are kept in the output
cat >&2 <<-'EOF'
You appear to be trying to install the latest nightly build in Gentoo.'
The portage tree should contain the latest stable release of Docker, but'
if you want something more recent, you can always use the live ebuild'
provided in the "docker" overlay available via layman. For more'
instructions, please see the following URL:'
https://github.com/tianon/docker-overlay#using-this-overlay'
After adding the "docker" overlay, you should be able to:'
emerge -av =app-emulation/docker-9999'
EOF
exit 1
fi
(
set -x
$sh_c 'sleep 3; emerge app-emulation/docker'
)
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/en/latest/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