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changed indentation for better readability
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‎src/docker-in-docker/install.sh‎

Lines changed: 115 additions & 116 deletions
Original file line numberDiff line numberDiff line change
@@ -56,10 +56,10 @@ break
5656
fi
5757
done
5858
if [ "${USERNAME}" = "" ]; then
59-
USERNAME=root
59+
USERNAME=root
6060
fi
6161
elif [ "${USERNAME}" = "none" ] || ! id -u ${USERNAME} > /dev/null 2>&1; then
62-
USERNAME=root
62+
USERNAME=root
6363
fi
6464

6565
apt_get_update()
@@ -397,7 +397,7 @@ if type docker > /dev/null 2>&1 && type dockerd > /dev/null 2>&1; then
397397

398398

399399
elif [ "${USE_MOBY}" = "true" ] && { [ "$ID" = "fedora" ] || [ "$ID_LIKE" = "rhel" ]; }; then
400-
install_docker_or_moby
400+
install_docker_or_moby
401401

402402
elif [ "${USE_MOBY}" = "false" ] && { [ "$ID" = "fedora" ] || [ "$ID_LIKE" = "rhel" ]; }; then
403403

@@ -491,97 +491,96 @@ curl -fsSL "https://github.com/docker/compose/releases/download/v${compose_versi
491491

492492
# If 'docker-compose' command is to be included
493493
if [ "${DOCKER_DASH_COMPOSE_VERSION}" != "none" ]; then
494-
case "${architecture}" in
495-
amd64) target_compose_arch=x86_64 ;;
496-
arm64) target_compose_arch=aarch64 ;;
497-
*)
498-
echo " Docker in docker does not support machine architecture '$architecture'. Please use an x86-64 or ARM64 machine."
499-
exit 1
500-
esac
501-
502-
docker_compose_path="/usr/local/bin/docker-compose"
503-
if [ "${DOCKER_DASH_COMPOSE_VERSION}" = "v1" ]; then
504-
err "The final Compose V1 release, version 1.29.2, was May 10, 2021. These packages haven't received any security updates since then. Use at your own risk."
505-
INSTALL_DOCKER_COMPOSE_SWITCH="false"
506-
507-
if [ "${target_compose_arch}" = "x86_64" ]; then
508-
echo "(*) Installing docker compose v1..."
509-
curl -fsSL "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-Linux-x86_64" -o ${docker_compose_path}
510-
chmod +x ${docker_compose_path}
511-
512-
# Download the SHA256 checksum
513-
DOCKER_COMPOSE_SHA256="$(curl -sSL "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-Linux-x86_64.sha256" | awk '{print $1}')"
514-
echo "${DOCKER_COMPOSE_SHA256} ${docker_compose_path}" > docker-compose.sha256sum
515-
sha256sum -c docker-compose.sha256sum --ignore-missing
516-
elif [ "${VERSION_CODENAME}" = "bookworm" ]; then
517-
err "Docker compose v1 is unavailable for 'bookworm' on Arm64. Kindly switch to use v2"
518-
exit 1
519-
else
520-
# Use pip to get a version that runs on this architecture
521-
check_packages python3-minimal python3-pip libffi-dev python3-venv
522-
echo "(*) Installing docker compose v1 via pip..."
523-
export PYTHONUSERBASE=/usr/local
524-
pip3 install --disable-pip-version-check --no-cache-dir --user "Cython<3.0" pyyaml wheel docker-compose --no-build-isolation
525-
fi
526-
else
527-
compose_version="${DOCKER_DASH_COMPOSE_VERSION#v}"
528-
docker_compose_url="https://github.com/docker/compose"
529-
find_version_from_git_tags compose_version "$docker_compose_url" "tags/v"
530-
echo "(*) Installing docker-compose ${compose_version}..."
531-
curl -fsSL "https://github.com/docker/compose/releases/download/compose_version/docker-compose-linux-${target_compose_arch}" -o ${docker_compose_path} || {
532-
echo -e "\n(!) Failed to fetch the latest artifacts for docker-compose v${compose_version}..."
533-
fallback_compose "$docker_compose_url"
534-
}
535-
536-
chmod +x ${docker_compose_path}
494+
case "${architecture}" in
495+
amd64) target_compose_arch=x86_64 ;;
496+
arm64) target_compose_arch=aarch64 ;;
497+
*)
498+
echo " Docker in docker does not support machine architecture '$architecture'. Please use an x86-64 or ARM64 machine."
499+
exit 1
500+
esac
501+
502+
docker_compose_path="/usr/local/bin/docker-compose"
503+
if [ "${DOCKER_DASH_COMPOSE_VERSION}" = "v1" ]; then
504+
err "The final Compose V1 release, version 1.29.2, was May 10, 2021. These packages haven't received any security updates since then. Use at your own risk."
505+
INSTALL_DOCKER_COMPOSE_SWITCH="false"
506+
507+
if [ "${target_compose_arch}" = "x86_64" ]; then
508+
echo "(*) Installing docker compose v1..."
509+
curl -fsSL "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-Linux-x86_64" -o ${docker_compose_path}
510+
chmod +x ${docker_compose_path}
511+
512+
# Download the SHA256 checksum
513+
DOCKER_COMPOSE_SHA256="$(curl -sSL "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-Linux-x86_64.sha256" | awk '{print $1}')"
514+
echo "${DOCKER_COMPOSE_SHA256} ${docker_compose_path}" > docker-compose.sha256sum
515+
sha256sum -c docker-compose.sha256sum --ignore-missing
516+
elif [ "${VERSION_CODENAME}" = "bookworm" ]; then
517+
err "Docker compose v1 is unavailable for 'bookworm' on Arm64. Kindly switch to use v2"
518+
exit 1
519+
else
520+
# Use pip to get a version that runs on this architecture
521+
check_packages python3-minimal python3-pip libffi-dev python3-venv
522+
echo "(*) Installing docker compose v1 via pip..."
523+
export PYTHONUSERBASE=/usr/local
524+
pip3 install --disable-pip-version-check --no-cache-dir --user "Cython<3.0" pyyaml wheel docker-compose --no-build-isolation
525+
fi
526+
else
527+
compose_version="${DOCKER_DASH_COMPOSE_VERSION#v}"
528+
docker_compose_url="https://github.com/docker/compose"
529+
find_version_from_git_tags compose_version "$docker_compose_url" "tags/v"
530+
echo "(*) Installing docker-compose ${compose_version}..."
531+
curl -fsSL "https://github.com/docker/compose/releases/download/compose_version/docker-compose-linux-${target_compose_arch}" -o ${docker_compose_path} || {
532+
echo -e "\n(!) Failed to fetch the latest artifacts for docker-compose v${compose_version}..."
533+
fallback_compose "$docker_compose_url"
534+
}
535+
chmod +x ${docker_compose_path}
537536

538-
# Download the SHA256 checksum
539-
DOCKER_COMPOSE_SHA256="$(curl -sSL "https://github.com/docker/compose/releases/download/v${compose_version}/docker-compose-linux-${target_compose_arch}.sha256" | awk '{print $1}')"
540-
echo "${DOCKER_COMPOSE_SHA256} ${docker_compose_path}" > docker-compose.sha256sum
541-
sha256sum -c docker-compose.sha256sum --ignore-missing
537+
# Download the SHA256 checksum
538+
DOCKER_COMPOSE_SHA256="$(curl -sSL "https://github.com/docker/compose/releases/download/v${compose_version}/docker-compose-linux-${target_compose_arch}.sha256" | awk '{print $1}')"
539+
echo "${DOCKER_COMPOSE_SHA256} ${docker_compose_path}" > docker-compose.sha256sum
540+
sha256sum -c docker-compose.sha256sum --ignore-missing
542541

543-
mkdir -p ${cli_plugins_dir}
544-
cp ${docker_compose_path} ${cli_plugins_dir}
545-
fi
542+
mkdir -p ${cli_plugins_dir}
543+
cp ${docker_compose_path} ${cli_plugins_dir}
544+
fi
546545
fi
547546

548547
# fallback method for compose-switch
549548
fallback_compose-switch() {
550-
local url=$1
551-
local repo_url=$(get_github_api_repo_url "$url")
552-
echo -e "\n(!) Failed to fetch the latest artifacts for compose-switch v${compose_switch_version}..."
553-
get_previous_version "$url" "$repo_url" compose_switch_version
554-
echo -e "\nAttempting to install v${compose_switch_version}"
555-
curl -fsSL "https://github.com/docker/compose-switch/releases/download/v${compose_switch_version}/docker-compose-linux-${architecture}" -o /usr/local/bin/compose-switch
549+
local url=$1
550+
local repo_url=$(get_github_api_repo_url "$url")
551+
echo -e "\n(!) Failed to fetch the latest artifacts for compose-switch v${compose_switch_version}..."
552+
get_previous_version "$url" "$repo_url" compose_switch_version
553+
echo -e "\nAttempting to install v${compose_switch_version}"
554+
curl -fsSL "https://github.com/docker/compose-switch/releases/download/v${compose_switch_version}/docker-compose-linux-${architecture}" -o /usr/local/bin/compose-switch
556555
}
557556

558557
# Install docker-compose switch if not already installed - https://github.com/docker/compose-switch#manual-installation
559558
if [ "${INSTALL_DOCKER_COMPOSE_SWITCH}" = "true" ] && ! type compose-switch > /dev/null 2>&1; then
560-
if type docker-compose > /dev/null 2>&1; then
561-
echo "(*) Installing compose-switch..."
562-
current_compose_path="$(which docker-compose)"
563-
target_compose_path="$(dirname "${current_compose_path}")/docker-compose-v1"
564-
compose_switch_version="latest"
565-
compose_switch_url="https://github.com/docker/compose-switch"
566-
find_version_from_git_tags compose_switch_version "$compose_switch_url"
567-
curl -fsSL "https://github.com/docker/compose-switch/releases/download/v${compose_switch_version}/docker-compose-linux-${architecture}" -o /usr/local/bin/compose-switch || fallback_compose-switch "$compose_switch_url"
568-
chmod +x /usr/local/bin/compose-switch
569-
# TODO: Verify checksum once available: https://github.com/docker/compose-switch/issues/11
570-
# Setup v1 CLI as alternative in addition to compose-switch (which maps to v2)
571-
mv "${current_compose_path}" "${target_compose_path}"
572-
update-alternatives --install ${docker_compose_path} docker-compose /usr/local/bin/compose-switch 99
573-
update-alternatives --install ${docker_compose_path} docker-compose "${target_compose_path}" 1
574-
else
575-
err "Skipping installation of compose-switch as docker compose is unavailable..."
576-
fi
559+
if type docker-compose > /dev/null 2>&1; then
560+
echo "(*) Installing compose-switch..."
561+
current_compose_path="$(which docker-compose)"
562+
target_compose_path="$(dirname "${current_compose_path}")/docker-compose-v1"
563+
compose_switch_version="latest"
564+
compose_switch_url="https://github.com/docker/compose-switch"
565+
find_version_from_git_tags compose_switch_version "$compose_switch_url"
566+
curl -fsSL "https://github.com/docker/compose-switch/releases/download/v${compose_switch_version}/docker-compose-linux-${architecture}" -o /usr/local/bin/compose-switch || fallback_compose-switch "$compose_switch_url"
567+
chmod +x /usr/local/bin/compose-switch
568+
# TODO: Verify checksum once available: https://github.com/docker/compose-switch/issues/11
569+
# Setup v1 CLI as alternative in addition to compose-switch (which maps to v2)
570+
mv "${current_compose_path}" "${target_compose_path}"
571+
update-alternatives --install ${docker_compose_path} docker-compose /usr/local/bin/compose-switch 99
572+
update-alternatives --install ${docker_compose_path} docker-compose "${target_compose_path}" 1
573+
else
574+
err "Skipping installation of compose-switch as docker compose is unavailable..."
575+
fi
577576
fi
578577

579578
# If init file already exists, exit
580579
if [ -f "/usr/local/share/docker-init.sh" ]; then
581-
echo "/usr/local/share/docker-init.sh already exists, so exiting."
582-
# Clean up
583-
rm -rf /var/lib/apt/lists/*
584-
exit 0
580+
echo "/usr/local/share/docker-init.sh already exists, so exiting."
581+
# Clean up
582+
rm -rf /var/lib/apt/lists/*
583+
exit 0
585584
fi
586585
echo "docker-init doesn't exist, adding..."
587586

@@ -593,52 +592,52 @@ usermod -aG docker ${USERNAME}
593592

594593
# fallback for docker/buildx
595594
fallback_buildx() {
596-
local url=$1
597-
local repo_url=$(get_github_api_repo_url "$url")
598-
echo -e "\nFailed to fetch the latest artifacts for docker buildx v${buildx_version}..."
599-
get_previous_version "$url" "$repo_url" buildx_version
600-
buildx_file_name="buildx-v${buildx_version}.linux-amd64"
601-
echo -e "\nAttempting to install v${buildx_version}"
602-
wget https://github.com/docker/buildx/releases/download/v${buildx_version}/${buildx_file_name}
595+
local url=$1
596+
local repo_url=$(get_github_api_repo_url "$url")
597+
echo -e "\nFailed to fetch the latest artifacts for docker buildx v${buildx_version}..."
598+
get_previous_version "$url" "$repo_url" buildx_version
599+
buildx_file_name="buildx-v${buildx_version}.linux-amd64"
600+
echo -e "\nAttempting to install v${buildx_version}"
601+
wget https://github.com/docker/buildx/releases/download/v${buildx_version}/${buildx_file_name}
603602
}
604603

605604
if [ "${INSTALL_DOCKER_BUILDX}" = "true" ]; then
606-
buildx_version="latest"
607-
docker_buildx_url="https://github.com/docker/buildx"
608-
find_version_from_git_tags buildx_version "$docker_buildx_url" "refs/tags/v"
609-
echo '(*) Installing buildx ${buildx_version}...'
610-
buildx_file_name="buildx-v${buildx_version}.linux-${architecture}"
605+
buildx_version="latest"
606+
docker_buildx_url="https://github.com/docker/buildx"
607+
find_version_from_git_tags buildx_version "$docker_buildx_url" "refs/tags/v"
608+
echo '(*) Installing buildx ${buildx_version}...'
609+
buildx_file_name="buildx-v${buildx_version}.linux-${architecture}"
611610

612-
cd /tmp
613-
wget https://github.com/docker/buildx/releases/download/v${buildx_version}/${buildx_file_name} || fallback_buildx "$docker_buildx_url"
611+
cd /tmp
612+
wget https://github.com/docker/buildx/releases/download/v${buildx_version}/${buildx_file_name} || fallback_buildx "$docker_buildx_url"
614613

615-
docker_home="/usr/libexec/docker"
616-
cli_plugins_dir="${docker_home}/cli-plugins"
614+
docker_home="/usr/libexec/docker"
615+
cli_plugins_dir="${docker_home}/cli-plugins"
617616

618-
mkdir -p "${cli_plugins_dir}"
619-
mv "${buildx_file_name}" "${cli_plugins_dir}/docker-buildx"
620-
chmod +x "${cli_plugins_dir}/docker-buildx"
617+
mkdir -p "${cli_plugins_dir}"
618+
mv "${buildx_file_name}" "${cli_plugins_dir}/docker-buildx"
619+
chmod +x "${cli_plugins_dir}/docker-buildx"
621620

622-
chown -R "${USERNAME}:docker" "${docker_home}"
623-
chmod -R g+r+w "${docker_home}"
624-
find "${docker_home}" -type d -print0 | xargs -n 1 -0 chmod g+s
621+
chown -R "${USERNAME}:docker" "${docker_home}"
622+
chmod -R g+r+w "${docker_home}"
623+
find "${docker_home}" -type d -print0 | xargs -n 1 -0 chmod g+s
625624
fi
626625

627626
DOCKER_DEFAULT_IP6_TABLES=""
628627
if [ "$DISABLE_IP6_TABLES" == true ]; then
629-
requested_version=""
630-
# checking whether the version requested either is in semver format or just a number denoting the major version
631-
# and, extracting the major version number out of the two scenarios
632-
semver_regex='^(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)(-([0-9A-Za-z-]+(\.[0-9A-Za-z-]+)*))?(\+([0-9A-Za-z-]+(\.[0-9A-Za-z-]+)*))?$'
633-
if echo "$DOCKER_VERSION" | grep -Eq $semver_regex; then
634-
requested_version=$(echo $DOCKER_VERSION | cut -d. -f1)
635-
elif echo "$DOCKER_VERSION" | grep -Eq "^[1-9][0-9]*$"; then
636-
requested_version=$DOCKER_VERSION
637-
fi
638-
if [ "$DOCKER_VERSION" = "latest" ] || [[ -n "$requested_version" && "$requested_version" -ge 27 ]]; then
639-
DOCKER_DEFAULT_IP6_TABLES="--ip6tables=false"
640-
echo "! As requested, passing ${DOCKER_DEFAULT_IP6_TABLES}"
641-
fi
628+
requested_version=""
629+
# checking whether the version requested either is in semver format or just a number denoting the major version
630+
# and, extracting the major version number out of the two scenarios
631+
semver_regex='^(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)(-([0-9A-Za-z-]+(\.[0-9A-Za-z-]+)*))?(\+([0-9A-Za-z-]+(\.[0-9A-Za-z-]+)*))?$'
632+
if echo "$DOCKER_VERSION" | grep -Eq $semver_regex; then
633+
requested_version=$(echo $DOCKER_VERSION | cut -d. -f1)
634+
elif echo "$DOCKER_VERSION" | grep -Eq "^[1-9][0-9]*$"; then
635+
requested_version=$DOCKER_VERSION
636+
fi
637+
if [ "$DOCKER_VERSION" = "latest" ] || [[ -n "$requested_version" && "$requested_version" -ge 27 ]]; then
638+
DOCKER_DEFAULT_IP6_TABLES="--ip6tables=false"
639+
echo "! As requested, passing ${DOCKER_DEFAULT_IP6_TABLES}"
640+
fi
642641
fi
643642

644643
tee /usr/local/share/docker-init.sh > /dev/null \
@@ -742,7 +741,7 @@ INNEREOF
742741
743742
744743
sudo_if() {
745-
COMMAND="$*"
744+
COMMAND="$*"
746745
747746
if [ "$(id -u)" -ne 0 ]; then
748747
sudo $COMMAND

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