355 lines
16 KiB
Bash
355 lines
16 KiB
Bash
#!/usr/bin/env bash
|
|
#-------------------------------------------------------------------------------------------------------------
|
|
# Copyright (c) Microsoft Corporation. All rights reserved.
|
|
# Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
|
|
#-------------------------------------------------------------------------------------------------------------
|
|
#
|
|
# Docs: https://github.com/microsoft/vscode-dev-containers/blob/main/script-library/docs/docker.md
|
|
# Maintainer: The VS Code and Codespaces Teams
|
|
#
|
|
# Syntax: ./docker-debian.sh [enable non-root docker socket access flag] [source socket] [target socket] [non-root user] [use moby] [CLI version] [Major version for docker-compose]
|
|
|
|
ENABLE_NONROOT_DOCKER=${1:-"true"}
|
|
SOURCE_SOCKET=${2:-"/var/run/docker-host.sock"}
|
|
TARGET_SOCKET=${3:-"/var/run/docker.sock"}
|
|
USERNAME=${4:-"automatic"}
|
|
USE_MOBY=${5:-"true"}
|
|
DOCKER_VERSION=${6:-"latest"}
|
|
DOCKER_DASH_COMPOSE_VERSION=${7:-"v1"} # v1 or v2
|
|
MICROSOFT_GPG_KEYS_URI="https://packages.microsoft.com/keys/microsoft.asc"
|
|
DOCKER_MOBY_ARCHIVE_VERSION_CODENAMES="buster bullseye bionic focal jammy"
|
|
DOCKER_LICENSED_ARCHIVE_VERSION_CODENAMES="buster bullseye bionic focal hirsute impish jammy"
|
|
|
|
set -e
|
|
|
|
if [ "$(id -u)" -ne 0 ]; then
|
|
echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
|
|
exit 1
|
|
fi
|
|
|
|
# Determine the appropriate non-root user
|
|
if [ "${USERNAME}" = "auto" ] || [ "${USERNAME}" = "automatic" ]; then
|
|
USERNAME=""
|
|
POSSIBLE_USERS=("vscode" "node" "codespace" "$(awk -v val=1000 -F ":" '$3==val{print $1}' /etc/passwd)")
|
|
for CURRENT_USER in ${POSSIBLE_USERS[@]}; do
|
|
if id -u ${CURRENT_USER} > /dev/null 2>&1; then
|
|
USERNAME=${CURRENT_USER}
|
|
break
|
|
fi
|
|
done
|
|
if [ "${USERNAME}" = "" ]; then
|
|
USERNAME=root
|
|
fi
|
|
elif [ "${USERNAME}" = "none" ] || ! id -u ${USERNAME} > /dev/null 2>&1; then
|
|
USERNAME=root
|
|
fi
|
|
|
|
# Get central common setting
|
|
get_common_setting() {
|
|
if [ "${common_settings_file_loaded}" != "true" ]; then
|
|
curl -sfL "https://aka.ms/vscode-dev-containers/script-library/settings.env" 2>/dev/null -o /tmp/vsdc-settings.env || echo "Could not download settings file. Skipping."
|
|
common_settings_file_loaded=true
|
|
fi
|
|
if [ -f "/tmp/vsdc-settings.env" ]; then
|
|
local multi_line=""
|
|
if [ "$2" = "true" ]; then multi_line="-z"; fi
|
|
local result="$(grep ${multi_line} -oP "$1=\"?\K[^\"]+" /tmp/vsdc-settings.env | tr -d '\0')"
|
|
if [ ! -z "${result}" ]; then declare -g $1="${result}"; fi
|
|
fi
|
|
echo "$1=${!1}"
|
|
}
|
|
|
|
# Function to run apt-get if needed
|
|
apt_get_update_if_needed()
|
|
{
|
|
if [ ! -d "/var/lib/apt/lists" ] || [ "$(ls /var/lib/apt/lists/ | wc -l)" = "0" ]; then
|
|
echo "Running apt-get update..."
|
|
apt-get update
|
|
else
|
|
echo "Skipping apt-get update."
|
|
fi
|
|
}
|
|
|
|
# Checks if packages are installed and installs them if not
|
|
check_packages() {
|
|
if ! dpkg -s "$@" > /dev/null 2>&1; then
|
|
apt_get_update_if_needed
|
|
apt-get -y install --no-install-recommends "$@"
|
|
fi
|
|
}
|
|
|
|
# Figure out correct version of a three part version number is not passed
|
|
find_version_from_git_tags() {
|
|
local variable_name=$1
|
|
local requested_version=${!variable_name}
|
|
if [ "${requested_version}" = "none" ]; then return; fi
|
|
local repository=$2
|
|
local prefix=${3:-"tags/v"}
|
|
local separator=${4:-"."}
|
|
local last_part_optional=${5:-"false"}
|
|
if [ "$(echo "${requested_version}" | grep -o "." | wc -l)" != "2" ]; then
|
|
local escaped_separator=${separator//./\\.}
|
|
local last_part
|
|
if [ "${last_part_optional}" = "true" ]; then
|
|
last_part="(${escaped_separator}[0-9]+)?"
|
|
else
|
|
last_part="${escaped_separator}[0-9]+"
|
|
fi
|
|
local regex="${prefix}\\K[0-9]+${escaped_separator}[0-9]+${last_part}$"
|
|
local version_list="$(git ls-remote --tags ${repository} | grep -oP "${regex}" | tr -d ' ' | tr "${separator}" "." | sort -rV)"
|
|
if [ "${requested_version}" = "latest" ] || [ "${requested_version}" = "current" ] || [ "${requested_version}" = "lts" ]; then
|
|
declare -g ${variable_name}="$(echo "${version_list}" | head -n 1)"
|
|
else
|
|
set +e
|
|
declare -g ${variable_name}="$(echo "${version_list}" | grep -E -m 1 "^${requested_version//./\\.}([\\.\\s]|$)")"
|
|
set -e
|
|
fi
|
|
fi
|
|
if [ -z "${!variable_name}" ] || ! echo "${version_list}" | grep "^${!variable_name//./\\.}$" > /dev/null 2>&1; then
|
|
echo -e "Invalid ${variable_name} value: ${requested_version}\nValid values:\n${version_list}" >&2
|
|
exit 1
|
|
fi
|
|
echo "${variable_name}=${!variable_name}"
|
|
}
|
|
|
|
# Ensure apt is in non-interactive to avoid prompts
|
|
export DEBIAN_FRONTEND=noninteractive
|
|
|
|
# Install dependencies
|
|
check_packages apt-transport-https curl ca-certificates gnupg2 dirmngr
|
|
if ! type git > /dev/null 2>&1; then
|
|
apt_get_update_if_needed
|
|
apt-get -y install git
|
|
fi
|
|
|
|
# Source /etc/os-release to get OS info
|
|
. /etc/os-release
|
|
# Fetch host/container arch.
|
|
architecture="$(dpkg --print-architecture)"
|
|
|
|
# Check if distro is suppported
|
|
if [ "${USE_MOBY}" = "true" ]; then
|
|
# 'get_common_setting' allows attribute to be updated remotely
|
|
get_common_setting DOCKER_MOBY_ARCHIVE_VERSION_CODENAMES
|
|
if [[ "${DOCKER_MOBY_ARCHIVE_VERSION_CODENAMES}" != *"${VERSION_CODENAME}"* ]]; then
|
|
err "Unsupported distribution version '${VERSION_CODENAME}'. To resolve, either: (1) set feature option '\"moby\": false' , or (2) choose a compatible OS distribution"
|
|
err "Support distributions include: ${DOCKER_MOBY_ARCHIVE_VERSION_CODENAMES}"
|
|
exit 1
|
|
fi
|
|
echo "Distro codename '${VERSION_CODENAME}' matched filter '${DOCKER_MOBY_ARCHIVE_VERSION_CODENAMES}'"
|
|
else
|
|
get_common_setting DOCKER_LICENSED_ARCHIVE_VERSION_CODENAMES
|
|
if [[ "${DOCKER_LICENSED_ARCHIVE_VERSION_CODENAMES}" != *"${VERSION_CODENAME}"* ]]; then
|
|
err "Unsupported distribution version '${VERSION_CODENAME}'. To resolve, please choose a compatible OS distribution"
|
|
err "Support distributions include: ${DOCKER_LICENSED_ARCHIVE_VERSION_CODENAMES}"
|
|
exit 1
|
|
fi
|
|
echo "Distro codename '${VERSION_CODENAME}' matched filter '${DOCKER_LICENSED_ARCHIVE_VERSION_CODENAMES}'"
|
|
fi
|
|
|
|
# Set up the necessary apt repos (either Microsoft's or Docker's)
|
|
if [ "${USE_MOBY}" = "true" ]; then
|
|
|
|
cli_package_name="moby-cli"
|
|
|
|
# Import key safely and import Microsoft apt repo
|
|
get_common_setting MICROSOFT_GPG_KEYS_URI
|
|
curl -sSL ${MICROSOFT_GPG_KEYS_URI} | gpg --dearmor > /usr/share/keyrings/microsoft-archive-keyring.gpg
|
|
echo "deb [arch=${architecture} signed-by=/usr/share/keyrings/microsoft-archive-keyring.gpg] https://packages.microsoft.com/repos/microsoft-${ID}-${VERSION_CODENAME}-prod ${VERSION_CODENAME} main" > /etc/apt/sources.list.d/microsoft.list
|
|
else
|
|
# Name of proprietary engine package
|
|
cli_package_name="docker-ce-cli"
|
|
|
|
# Import key safely and import Docker apt repo
|
|
curl -fsSL https://download.docker.com/linux/${ID}/gpg | gpg --dearmor > /usr/share/keyrings/docker-archive-keyring.gpg
|
|
echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/${ID} ${VERSION_CODENAME} stable" > /etc/apt/sources.list.d/docker.list
|
|
fi
|
|
|
|
# Refresh apt lists
|
|
apt-get update
|
|
|
|
# Soft version matching for CLI
|
|
if [ "${DOCKER_VERSION}" = "latest" ] || [ "${DOCKER_VERSION}" = "lts" ] || [ "${DOCKER_VERSION}" = "stable" ]; then
|
|
# Empty, meaning grab whatever "latest" is in apt repo
|
|
cli_version_suffix=""
|
|
else
|
|
# Fetch a valid version from the apt-cache (eg: the Microsoft repo appends +azure, breakfix, etc...)
|
|
docker_version_dot_escaped="${DOCKER_VERSION//./\\.}"
|
|
docker_version_dot_plus_escaped="${docker_version_dot_escaped//+/\\+}"
|
|
# Regex needs to handle debian package version number format: https://www.systutorials.com/docs/linux/man/5-deb-version/
|
|
docker_version_regex="^(.+:)?${docker_version_dot_plus_escaped}([\\.\\+ ~:-]|$)"
|
|
set +e # Don't exit if finding version fails - will handle gracefully
|
|
cli_version_suffix="=$(apt-cache madison ${cli_package_name} | awk -F"|" '{print $2}' | sed -e 's/^[ \t]*//' | grep -E -m 1 "${docker_version_regex}")"
|
|
set -e
|
|
if [ -z "${cli_version_suffix}" ] || [ "${cli_version_suffix}" = "=" ]; then
|
|
echo "(!) No full or partial Docker / Moby version match found for \"${DOCKER_VERSION}\" on OS ${ID} ${VERSION_CODENAME} (${architecture}). Available versions:"
|
|
apt-cache madison ${cli_package_name} | awk -F"|" '{print $2}' | grep -oP '^(.+:)?\K.+'
|
|
exit 1
|
|
fi
|
|
echo "cli_version_suffix ${cli_version_suffix}"
|
|
fi
|
|
|
|
# Install Docker / Moby CLI if not already installed
|
|
if type docker > /dev/null 2>&1; then
|
|
echo "Docker / Moby CLI already installed."
|
|
else
|
|
if [ "${USE_MOBY}" = "true" ]; then
|
|
apt-get -y install --no-install-recommends moby-cli${cli_version_suffix} moby-buildx
|
|
apt-get -y install --no-install-recommends moby-compose || echo "(*) Package moby-compose (Docker Compose v2) not available for OS ${ID} ${VERSION_CODENAME} (${architecture}). Skipping."
|
|
else
|
|
apt-get -y install --no-install-recommends docker-ce-cli${cli_version_suffix}
|
|
fi
|
|
fi
|
|
|
|
# Install Docker Compose if not already installed and is on a supported architecture
|
|
if type docker-compose > /dev/null 2>&1; then
|
|
echo "Docker Compose already installed."
|
|
else
|
|
TARGET_COMPOSE_ARCH="$(uname -m)"
|
|
if [ "${TARGET_COMPOSE_ARCH}" = "amd64" ]; then
|
|
TARGET_COMPOSE_ARCH="x86_64"
|
|
fi
|
|
if [ "${TARGET_COMPOSE_ARCH}" != "x86_64" ]; then
|
|
# Use pip to get a version that runns on this architecture
|
|
if ! dpkg -s python3-minimal python3-pip libffi-dev python3-venv > /dev/null 2>&1; then
|
|
apt_get_update_if_needed
|
|
apt-get -y install python3-minimal python3-pip libffi-dev python3-venv
|
|
fi
|
|
export PIPX_HOME=/usr/local/pipx
|
|
mkdir -p ${PIPX_HOME}
|
|
export PIPX_BIN_DIR=/usr/local/bin
|
|
export PYTHONUSERBASE=/tmp/pip-tmp
|
|
export PIP_CACHE_DIR=/tmp/pip-tmp/cache
|
|
pipx_bin=pipx
|
|
if ! type pipx > /dev/null 2>&1; then
|
|
pip3 install --disable-pip-version-check --no-cache-dir --user pipx
|
|
pipx_bin=/tmp/pip-tmp/bin/pipx
|
|
fi
|
|
${pipx_bin} install --pip-args '--no-cache-dir --force-reinstall' docker-compose
|
|
rm -rf /tmp/pip-tmp
|
|
else
|
|
compose_v1_version="1"
|
|
find_version_from_git_tags compose_v1_version "https://github.com/docker/compose" "tags/"
|
|
echo "(*) Installing docker-compose ${compose_v1_version}..."
|
|
curl -fsSL "https://github.com/docker/compose/releases/download/${compose_v1_version}/docker-compose-Linux-x86_64" -o /usr/local/bin/docker-compose
|
|
chmod +x /usr/local/bin/docker-compose
|
|
fi
|
|
fi
|
|
|
|
# Install docker-compose switch if not already installed - https://github.com/docker/compose-switch#manual-installation
|
|
current_v1_compose_path="$(which docker-compose)"
|
|
target_v1_compose_path="$(dirname "${current_v1_compose_path}")/docker-compose-v1"
|
|
if ! type compose-switch > /dev/null 2>&1; then
|
|
echo "(*) Installing compose-switch..."
|
|
compose_switch_version="latest"
|
|
find_version_from_git_tags compose_switch_version "https://github.com/docker/compose-switch"
|
|
curl -fsSL "https://github.com/docker/compose-switch/releases/download/v${compose_switch_version}/docker-compose-linux-${architecture}" -o /usr/local/bin/compose-switch
|
|
chmod +x /usr/local/bin/compose-switch
|
|
# TODO: Verify checksum once available: https://github.com/docker/compose-switch/issues/11
|
|
|
|
# Setup v1 CLI as alternative in addition to compose-switch (which maps to v2)
|
|
mv "${current_v1_compose_path}" "${target_v1_compose_path}"
|
|
update-alternatives --install /usr/local/bin/docker-compose docker-compose /usr/local/bin/compose-switch 99
|
|
update-alternatives --install /usr/local/bin/docker-compose docker-compose "${target_v1_compose_path}" 1
|
|
fi
|
|
if [ "${DOCKER_DASH_COMPOSE_VERSION}" = "v1" ]; then
|
|
update-alternatives --set docker-compose "${target_v1_compose_path}"
|
|
else
|
|
update-alternatives --set docker-compose /usr/local/bin/compose-switch
|
|
fi
|
|
|
|
# If init file already exists, exit
|
|
if [ -f "/usr/local/share/docker-init.sh" ]; then
|
|
exit 0
|
|
fi
|
|
echo "docker-init doesnt exist, adding..."
|
|
|
|
# By default, make the source and target sockets the same
|
|
if [ "${SOURCE_SOCKET}" != "${TARGET_SOCKET}" ]; then
|
|
touch "${SOURCE_SOCKET}"
|
|
ln -s "${SOURCE_SOCKET}" "${TARGET_SOCKET}"
|
|
fi
|
|
|
|
# Add a stub if not adding non-root user access, user is root
|
|
if [ "${ENABLE_NONROOT_DOCKER}" = "false" ] || [ "${USERNAME}" = "root" ]; then
|
|
echo -e '#!/usr/bin/env bash\nexec "$@"' > /usr/local/share/docker-init.sh
|
|
chmod +x /usr/local/share/docker-init.sh
|
|
exit 0
|
|
fi
|
|
|
|
# Setup a docker group in the event the docker socket's group is not root
|
|
if ! grep -qE '^docker:' /etc/group; then
|
|
groupadd --system docker
|
|
fi
|
|
usermod -aG docker "${USERNAME}"
|
|
DOCKER_GID="$(grep -oP '^docker:x:\K[^:]+' /etc/group)"
|
|
|
|
# If enabling non-root access and specified user is found, setup socat and add script
|
|
chown -h "${USERNAME}":root "${TARGET_SOCKET}"
|
|
if ! dpkg -s socat > /dev/null 2>&1; then
|
|
apt_get_update_if_needed
|
|
apt-get -y install socat
|
|
fi
|
|
tee /usr/local/share/docker-init.sh > /dev/null \
|
|
<< EOF
|
|
#!/usr/bin/env bash
|
|
#-------------------------------------------------------------------------------------------------------------
|
|
# Copyright (c) Microsoft Corporation. All rights reserved.
|
|
# Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
|
|
#-------------------------------------------------------------------------------------------------------------
|
|
|
|
set -e
|
|
|
|
SOCAT_PATH_BASE=/tmp/vscr-docker-from-docker
|
|
SOCAT_LOG=\${SOCAT_PATH_BASE}.log
|
|
SOCAT_PID=\${SOCAT_PATH_BASE}.pid
|
|
|
|
# Wrapper function to only use sudo if not already root
|
|
sudoIf()
|
|
{
|
|
if [ "\$(id -u)" -ne 0 ]; then
|
|
sudo "\$@"
|
|
else
|
|
"\$@"
|
|
fi
|
|
}
|
|
|
|
# Log messages
|
|
log()
|
|
{
|
|
echo -e "[\$(date)] \$@" | sudoIf tee -a \${SOCAT_LOG} > /dev/null
|
|
}
|
|
|
|
echo -e "\n** \$(date) **" | sudoIf tee -a \${SOCAT_LOG} > /dev/null
|
|
log "Ensuring ${USERNAME} has access to ${SOURCE_SOCKET} via ${TARGET_SOCKET}"
|
|
|
|
# If enabled, try to update the docker group with the right GID. If the group is root,
|
|
# fall back on using socat to forward the docker socket to another unix socket so
|
|
# that we can set permissions on it without affecting the host.
|
|
if [ "${ENABLE_NONROOT_DOCKER}" = "true" ] && [ "${SOURCE_SOCKET}" != "${TARGET_SOCKET}" ] && [ "${USERNAME}" != "root" ] && [ "${USERNAME}" != "0" ]; then
|
|
SOCKET_GID=\$(stat -c '%g' ${SOURCE_SOCKET})
|
|
if [ "\${SOCKET_GID}" != "0" ] && [ "\${SOCKET_GID}" != "${DOCKER_GID}" ] && ! grep -E ".+:x:\${SOCKET_GID}" /etc/group; then
|
|
sudoIf groupmod --gid "\${SOCKET_GID}" docker
|
|
else
|
|
# Enable proxy if not already running
|
|
if [ ! -f "\${SOCAT_PID}" ] || ! ps -p \$(cat \${SOCAT_PID}) > /dev/null; then
|
|
log "Enabling socket proxy."
|
|
log "Proxying ${SOURCE_SOCKET} to ${TARGET_SOCKET} for vscode"
|
|
sudoIf rm -rf ${TARGET_SOCKET}
|
|
(sudoIf socat UNIX-LISTEN:${TARGET_SOCKET},fork,mode=660,user=${USERNAME} UNIX-CONNECT:${SOURCE_SOCKET} 2>&1 | sudoIf tee -a \${SOCAT_LOG} > /dev/null & echo "\$!" | sudoIf tee \${SOCAT_PID} > /dev/null)
|
|
else
|
|
log "Socket proxy already running."
|
|
fi
|
|
fi
|
|
log "Success"
|
|
fi
|
|
|
|
# Execute whatever commands were passed in (if any). This allows us
|
|
# to set this script to ENTRYPOINT while still executing the default CMD.
|
|
set +e
|
|
exec "\$@"
|
|
EOF
|
|
chmod +x /usr/local/share/docker-init.sh
|
|
chown ${USERNAME}:root /usr/local/share/docker-init.sh
|
|
echo "Done!"
|