#!/bin/bash
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# Common code to build a host image on GCE
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# INTERNAL_extra_source may be set to a directory containing the source for
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# extra package to build.
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# INTERNAL_IP can be set to --internal-ip run on a GCE instance
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# The instance will need --scope compute-rw
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source "${ANDROID_BUILD_TOP}/external/shflags/src/shflags"
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DEFINE_string build_instance \
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"${USER}-build" "Instance name to create for the build" "i"
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DEFINE_string build_project "$(gcloud config get-value project)" \
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"Project to use for scratch"
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DEFINE_string build_zone "$(gcloud config get-value compute/zone)" \
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"Zone to use for scratch resources"
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DEFINE_string dest_image "vsoc-host-scratch-${USER}" "Image to create" "o"
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DEFINE_string dest_family "" "Image family to add the image to" "f"
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DEFINE_string dest_project "$(gcloud config get-value project)" \
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"Project to use for the new image" "p"
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DEFINE_string launch_instance "" \
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"Name of the instance to launch with the new image" "l"
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DEFINE_string source_image_family debian-9 "Image familty to use as the base" \
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"s"
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DEFINE_string source_image_project debian-cloud \
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"Project holding the base image" "m"
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DEFINE_string repository_url \
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https://github.com/google/android-cuttlefish.git \
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"URL to the repository with host changes" "u"
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DEFINE_string repository_branch master \
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"Branch to check out" "b"
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DEFINE_string variant master \
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"Variant to build: generally master or stable"
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SSH_FLAGS=(${INTERNAL_IP})
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wait_for_instance() {
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alive=""
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while [[ -z "${alive}" ]]; do
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sleep 5
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alive="$(gcloud compute ssh "${SSH_FLAGS[@]}" "$@" -- uptime || true)"
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done
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}
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package_source() {
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local url="$1"
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local branch="$2"
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local repository_dir="${url/*\//}"
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local debian_dir="$(basename "${repository_dir}" .git)"
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if [[ $# -eq 4 ]]; then
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debian_dir="${repository_dir}/$4"
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fi
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git clone "${url}" -b "${branch}"
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dpkg-source -b "${debian_dir}"
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rm -rf "${debian_dir}"
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}
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main() {
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set -o errexit
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set -x
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PZ=(--project=${FLAGS_build_project} --zone=${FLAGS_build_zone})
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if [[ -n "${FLAGS_dest_family}" ]]; then
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dest_family_flag=("--family=${FLAGS_dest_family}")
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else
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dest_family_flag=()
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fi
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scratch_dir="$(mktemp -d)"
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pushd "${scratch_dir}"
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package_source "${FLAGS_repository_url}" "${FLAGS_repository_branch}" \
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"cuttlefish-common_${FLAGS_version}"
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popd
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source_files=(
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"${ANDROID_BUILD_TOP}/device/google/cuttlefish_common/tools/create_base_image_gce.sh"
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${scratch_dir}/*
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)
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if [[ -n "${INTERNAL_extra_source}" ]]; then
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source_files+=("${INTERNAL_extra_source}"/*)
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fi
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delete_instances=("${FLAGS_build_instance}" "${FLAGS_dest_image}")
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if [[ -n "${FLAGS_launch_instance}" ]]; then
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delete_instances+=("${FLAGS_launch_instance}")
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fi
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gcloud compute instances delete -q \
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"${PZ[@]}" "${delete_instances[@]}" || \
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echo Not running
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gcloud compute disks delete -q \
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"${PZ[@]}" "${FLAGS_dest_image}" || echo No scratch disk
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gcloud compute images delete -q \
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--project="${FLAGS_build_project}" "${FLAGS_dest_image}" || echo Not respinning
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gcloud compute disks create \
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"${PZ[@]}" \
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--image-family="${FLAGS_source_image_family}" \
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--image-project="${FLAGS_source_image_project}" \
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"${FLAGS_dest_image}"
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gcloud compute instances create \
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"${PZ[@]}" \
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--machine-type=n1-standard-16 \
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--image-family="${FLAGS_source_image_family}" \
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--image-project="${FLAGS_source_image_project}" \
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--boot-disk-size=200GiB \
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"${FLAGS_build_instance}"
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wait_for_instance "${PZ[@]}" "${FLAGS_build_instance}"
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# Ubuntu tends to mount the wrong disk as root, so help it by waiting until
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# it has booted before giving it access to the clean image disk
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gcloud compute instances attach-disk \
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"${PZ[@]}" \
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"${FLAGS_build_instance}" --disk="${FLAGS_dest_image}"
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# beta for the --internal-ip flag that may be passed via SSH_FLAGS
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gcloud beta compute scp "${SSH_FLAGS[@]}" "${PZ[@]}" \
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"${source_files[@]}" \
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"${FLAGS_build_instance}:"
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gcloud compute ssh "${SSH_FLAGS[@]}" \
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"${PZ[@]}" "${FLAGS_build_instance}" -- \
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./create_base_image_gce.sh
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gcloud compute instances delete -q \
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"${PZ[@]}" "${FLAGS_build_instance}"
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gcloud compute images create \
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--project="${FLAGS_build_project}" \
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--source-disk="${FLAGS_dest_image}" \
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--source-disk-zone="${FLAGS_build_zone}" \
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--licenses=https://www.googleapis.com/compute/v1/projects/vm-options/global/licenses/enable-vmx \
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"${dest_family_flag[@]}" \
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"${FLAGS_dest_image}"
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gcloud compute disks delete -q "${PZ[@]}" \
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"${FLAGS_dest_image}"
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if [[ -n "${FLAGS_launch_instance}" ]]; then
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gcloud compute instances create "${PZ[@]}" \
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--image-project="${FLAGS_build_project}" \
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--image="${FLAGS_dest_image}" \
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--machine-type=n1-standard-4 \
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--scopes storage-ro \
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"${FLAGS_launch_instance}"
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fi
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cat <<EOF
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echo Test and if this looks good, consider releasing it via:
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gcloud compute images create \
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--project="${FLAGS_dest_project}" \
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--source-image="${FLAGS_dest_image}" \
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--source-image-project="${FLAGS_build_project}" \
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"${dest_family_flag[@]}" \
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"${FLAGS_dest_image}"
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EOF
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}
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