Skip to content
Permalink
main
Switch branches/tags

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
Go to file
 
 
Cannot retrieve contributors at this time
executable file 83 lines (68 sloc) 2.9 KB
#!/usr/bin/env bash
# USAGE: ./scripts/get-flatcar
# USAGE: ./scripts/get-flatcar channel version dest
#
# ENV VARS:
# - OEM_ID - specify OEM image id to download, alongside the default one
set -eou pipefail
GPG=${GPG:-/usr/bin/gpg}
CHANNEL=${1:-"stable"}
VERSION=${2:-"current"}
DEST_DIR=${3:-"$PWD/examples/assets"}
OEM_ID=${OEM_ID:-""}
DEST=$DEST_DIR/flatcar/$VERSION
BASE_URL=https://$CHANNEL.release.flatcar-linux.net/amd64-usr/$VERSION
# check channel/version exist based on the header response
if ! curl -s -I "${BASE_URL}/flatcar_production_pxe.vmlinuz" | grep -q -E '^HTTP/[0-9.]+ [23][0-9][0-9]'; then
echo "Channel or Version not found"
exit 1
fi
if [[ ! -d "$DEST" ]]; then
echo "Creating directory ${DEST}"
mkdir -p "${DEST}"
fi
if [[ -n "${OEM_ID}" ]]; then
IMAGE_NAME="flatcar_production_${OEM_ID}_image.bin.bz2"
# check if the oem version exists based on the header response
if ! curl -s -I "${BASE_URL}/${IMAGE_NAME}" | grep -q -E '^HTTP/[0-9.]+ [23][0-9][0-9]'; then
echo "OEM version not found"
exit 1
fi
fi
echo "Downloading Flatcar Linux $CHANNEL $VERSION images and sigs to $DEST"
echo "Flatcar Linux Image Signing Key"
curl -# https://www.flatcar.org/security/image-signing-key/Flatcar_Image_Signing_Key.asc -o "${DEST}/Flatcar_Image_Signing_Key.asc"
$GPG --import <"$DEST/Flatcar_Image_Signing_Key.asc" || true
# Version
echo "version.txt"
curl -# "${BASE_URL}/version.txt" -o "${DEST}/version.txt"
# PXE kernel and sig
echo "flatcar_production_pxe.vmlinuz..."
curl -# "${BASE_URL}/flatcar_production_pxe.vmlinuz" -o "${DEST}/flatcar_production_pxe.vmlinuz"
echo "flatcar_production_pxe.vmlinuz.sig"
curl -# "${BASE_URL}/flatcar_production_pxe.vmlinuz.sig" -o "${DEST}/flatcar_production_pxe.vmlinuz.sig"
# PXE initrd and sig
echo "flatcar_production_pxe_image.cpio.gz"
curl -# "${BASE_URL}/flatcar_production_pxe_image.cpio.gz" -o "${DEST}/flatcar_production_pxe_image.cpio.gz"
echo "flatcar_production_pxe_image.cpio.gz.sig"
curl -# "${BASE_URL}/flatcar_production_pxe_image.cpio.gz.sig" -o "${DEST}/flatcar_production_pxe_image.cpio.gz.sig"
# Install image
echo "flatcar_production_image.bin.bz2"
curl -# "${BASE_URL}/flatcar_production_image.bin.bz2" -o "${DEST}/flatcar_production_image.bin.bz2"
echo "flatcar_production_image.bin.bz2.sig"
curl -# "${BASE_URL}/flatcar_production_image.bin.bz2.sig" -o "${DEST}/flatcar_production_image.bin.bz2.sig"
# Install oem image
if [[ -n "${IMAGE_NAME-}" ]]; then
echo "${IMAGE_NAME}"
curl -# "${BASE_URL}/${IMAGE_NAME}" -o "${DEST}/${IMAGE_NAME}"
echo "${IMAGE_NAME}.sig"
curl -# "${BASE_URL}/${IMAGE_NAME}.sig" -o "${DEST}/${IMAGE_NAME}.sig"
fi
# verify signatures
$GPG --verify "${DEST}/flatcar_production_pxe.vmlinuz.sig"
$GPG --verify "${DEST}/flatcar_production_pxe_image.cpio.gz.sig"
$GPG --verify "${DEST}/flatcar_production_image.bin.bz2.sig"
# verify oem signature
if [[ -n "${IMAGE_NAME-}" ]]; then
$GPG --verify "${DEST}/${IMAGE_NAME}.sig"
fi