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-rw-r--r--src/docker-outside-of-docker/devcontainer-feature.json7
-rwxr-xr-xsrc/docker-outside-of-docker/install.sh85
2 files changed, 40 insertions, 52 deletions
diff --git a/src/docker-outside-of-docker/devcontainer-feature.json b/src/docker-outside-of-docker/devcontainer-feature.json
index 79bc9fe..841bb62 100644
--- a/src/docker-outside-of-docker/devcontainer-feature.json
+++ b/src/docker-outside-of-docker/devcontainer-feature.json
@@ -1,6 +1,6 @@
{
"id": "docker-outside-of-docker",
- "version": "1.1.0",
+ "version": "1.2.0",
"name": "Docker (docker-outside-of-docker)",
"documentationURL": "https://github.com/devcontainers/features/tree/main/src/docker-outside-of-docker",
"description": "Re-use the host docker socket, adding the Docker CLI to a container. Feature invokes a script to enable using a forwarded Docker socket within a container to run Docker commands.",
@@ -26,7 +26,7 @@
"v1",
"v2"
],
- "default": "v1",
+ "default": "v2",
"description": "Compose version to use for docker-compose (v1 or v2)"
},
"installDockerBuildx": {
@@ -36,9 +36,6 @@
}
},
"entrypoint": "/usr/local/share/docker-init.sh",
- "containerEnv": {
- "DOCKER_BUILDKIT": "1"
- },
"customizations": {
"vscode": {
"extensions": [
diff --git a/src/docker-outside-of-docker/install.sh b/src/docker-outside-of-docker/install.sh
index 6352410..9d8433a 100755
--- a/src/docker-outside-of-docker/install.sh
+++ b/src/docker-outside-of-docker/install.sh
@@ -9,7 +9,7 @@
DOCKER_VERSION="${VERSION:-"latest"}"
USE_MOBY="${MOBY:-"true"}"
-DOCKER_DASH_COMPOSE_VERSION="${DOCKERDASHCOMPOSEVERSION:-"v1"}" # v1 or v2
+DOCKER_DASH_COMPOSE_VERSION="${DOCKERDASHCOMPOSEVERSION:-"v2"}" # v1 or v2
ENABLE_NONROOT_DOCKER="${ENABLE_NONROOT_DOCKER:-"true"}"
SOURCE_SOCKET="${SOURCE_SOCKET:-"/var/run/docker-host.sock"}"
@@ -87,7 +87,7 @@ find_version_from_git_tags() {
local repository=$2
local prefix=${3:-"tags/v"}
local separator=${4:-"."}
- local last_part_optional=${5:-"false"}
+ local last_part_optional=${5:-"false"}
if [ "$(echo "${requested_version}" | grep -o "." | wc -l)" != "2" ]; then
local escaped_separator=${separator//./\\.}
local last_part
@@ -172,7 +172,7 @@ apt-get update
if [ "${DOCKER_VERSION}" = "latest" ] || [ "${DOCKER_VERSION}" = "lts" ] || [ "${DOCKER_VERSION}" = "stable" ]; then
# Empty, meaning grab whatever "latest" is in apt repo
cli_version_suffix=""
-else
+else
# Fetch a valid version from the apt-cache (eg: the Microsoft repo appends +azure, breakfix, etc...)
docker_version_dot_escaped="${DOCKER_VERSION//./\\.}"
docker_version_dot_plus_escaped="${docker_version_dot_escaped//+/\\+}"
@@ -194,17 +194,32 @@ if type docker > /dev/null 2>&1; then
echo "Docker / Moby CLI already installed."
else
if [ "${USE_MOBY}" = "true" ]; then
- apt-get -y install --no-install-recommends moby-cli${cli_version_suffix} moby-buildx
+ buildx=()
+ if [ "${INSTALL_DOCKER_BUILDX}" = "true" ]; then
+ buildx=(moby-buildx)
+ fi
+ apt-get -y install --no-install-recommends ${cli_package_name}${cli_version_suffix} "${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${cli_version_suffix}
+ buildx=()
+ if [ "${INSTALL_DOCKER_BUILDX}" = "true" ]; then
+ buildx=(docker-buildx-plugin)
+ fi
+ apt-get -y install --no-install-recommends ${cli_package_name}${cli_version_suffix} "${buildx[@]}" docker-compose-plugin
+ buildx_path="/usr/libexec/docker/cli-plugins/docker-buildx"
+ # Older versions of Docker CE installs buildx as part of the CLI package
+ if [ "${INSTALL_DOCKER_BUILDX}" = "false" ] && [ -f "${buildx_path}" ]; then
+ echo "(*) Removing docker-buildx installed from docker-ce-cli since installDockerBuildx is disabled..."
+ rm -f "${buildx_path}"
+ fi
fi
+ unset buildx buildx_path
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
+elif [ "${DOCKER_DASH_COMPOSE_VERSION}" = "v1" ]; then
TARGET_COMPOSE_ARCH="$(uname -m)"
if [ "${TARGET_COMPOSE_ARCH}" = "amd64" ]; then
TARGET_COMPOSE_ARCH="x86_64"
@@ -224,60 +239,36 @@ else
fi
${pipx_bin} install --pip-args '--no-cache-dir --force-reinstall' docker-compose
rm -rf /tmp/pip-tmp
- else
+ 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 "${current_v1_compose_path}")/docker-compose-v1"
-if ! type compose-switch > /dev/null 2>&1; then
- echo "(*) Installing compose-switch..."
+else
+ echo "(*) Installing compose-switch as docker-compose..."
compose_switch_version="latest"
find_version_from_git_tags compose_switch_version "https://github.com/docker/compose-switch"
- curl -fsSL "https://github.com/docker/compose-switch/releases/download/v${compose_switch_version}/docker-compose-linux-${architecture}" -o /usr/local/bin/compose-switch
- chmod +x /usr/local/bin/compose-switch
+ curl -fsSL "https://github.com/docker/compose-switch/releases/download/v${compose_switch_version}/docker-compose-linux-${architecture}" -o /usr/local/bin/docker-compose
+ chmod +x /usr/local/bin/docker-compose
# TODO: Verify checksum once available: https://github.com/docker/compose-switch/issues/11
-
- # Setup v1 CLI as alternative in addition to compose-switch (which maps to v2)
- mv "${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
# Setup a docker group in the event the docker socket's group is not root
if ! grep -qE '^docker:' /etc/group; then
+ echo "(*) Creating missing docker group..."
groupadd --system docker
fi
-usermod -aG docker "${USERNAME}"
-
-if [ "${INSTALL_DOCKER_BUILDX}" = "true" ]; then
- buildx_version="latest"
- find_version_from_git_tags buildx_version "https://github.com/docker/buildx" "refs/tags/v"
- echo "(*) Installing buildx ${buildx_version}..."
- buildx_file_name="buildx-v${buildx_version}.linux-${architecture}"
- cd /tmp && wget "https://github.com/docker/buildx/releases/download/v${buildx_version}/${buildx_file_name}"
-
- mkdir -p ${_REMOTE_USER_HOME}/.docker/cli-plugins
- mv ${buildx_file_name} ${_REMOTE_USER_HOME}/.docker/cli-plugins/docker-buildx
- chmod +x ${_REMOTE_USER_HOME}/.docker/cli-plugins/docker-buildx
-
- chown -R "${USERNAME}:docker" "${_REMOTE_USER_HOME}/.docker"
- chmod -R g+r+w "${_REMOTE_USER_HOME}/.docker"
- find "${_REMOTE_USER_HOME}/.docker" -type d -print0 | xargs -n 1 -0 chmod g+s
+# Ensure docker group gid is 999
+if [ "$(getent group docker | cut -d: -f3)" != "999" ]; then
+ echo "(*) Updating docker group gid to 999..."
+ groupmod -g 999 docker
fi
+usermod -aG docker "${USERNAME}"
+
# If init file already exists, exit
if [ -f "/usr/local/share/docker-init.sh" ]; then
# Clean up
@@ -304,10 +295,10 @@ fi
DOCKER_GID="$(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}"
+chown -h "${USERNAME}":root "${TARGET_SOCKET}"
check_packages socat
tee /usr/local/share/docker-init.sh > /dev/null \
-<< EOF
+<< EOF
#!/usr/bin/env bash
#-------------------------------------------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
@@ -339,8 +330,8 @@ log()
echo -e "\n** \$(date) **" | sudoIf tee -a \${SOCAT_LOG} > /dev/null
log "Ensuring ${USERNAME} has access to ${SOURCE_SOCKET} via ${TARGET_SOCKET}"
-# If enabled, try to update the docker group with the right GID. If the group is root,
-# fall back on using socat to forward the docker socket to another unix socket so
+# If enabled, try to update the docker group with the right GID. If the group is root,
+# fall back on using socat to forward the docker socket to another unix socket so
# that we can set permissions on it without affecting the host.
if [ "${ENABLE_NONROOT_DOCKER}" = "true" ] && [ "${SOURCE_SOCKET}" != "${TARGET_SOCKET}" ] && [ "${USERNAME}" != "root" ] && [ "${USERNAME}" != "0" ]; then
SOCKET_GID=\$(stat -c '%g' ${SOURCE_SOCKET})
@@ -360,7 +351,7 @@ if [ "${ENABLE_NONROOT_DOCKER}" = "true" ] && [ "${SOURCE_SOCKET}" != "${TARGET_
log "Success"
fi
-# Execute whatever commands were passed in (if any). This allows us
+# 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 "\$@"