ci-automation: add hetzner testing

Signed-off-by: Mathieu Tortuyaux <mtortuyaux@microsoft.com>

ci-automation/ci-config.env

@@ -163,3 +163,10 @@ OPENSTACK_PARALLEL="${PARALLEL_TESTS:-3}"
 : ${BRIGHTBOX_IMAGE_NAME:='flatcar_production_openstack_image.img'}
 BRIGHTBOX_PARALLEL="${PARALLEL_TESTS:-1}"
 : ${BRIGHTBOX_SERVER_TYPE:="2gb.ssd"}
+
+# -- Hetzner --
+: ${HETZNER_IMAGE_NAME:='flatcar_production_hetzner_image.bin.bz2'}
+: ${HETZNER_amd64_INSTANCE_TYPE:="cx22"}
+: ${HETZNER_arm64_INSTANCE_TYPE:="cax11"}
+HETZNER_PARALLEL="${PARALLEL_TESTS:-1}"
+HETZNER_LOCATION="${HETZNER_LOCATION:-fsn1}"

ci-automation/garbage_collect.sh

@@ -263,6 +263,7 @@ function _garbage_collect_impl() {
       --env VMWARE_ESX_CREDS \
       --env OPENSTACK_CREDS \
       --env BRIGHTBOX_CLIENT_ID --env BRIGHTBOX_CLIENT_SECRET \
+      --env HETZNER_TOKEN \
       -w /work -v "$PWD":/work "${mantle_ref}" /work/ci-automation/garbage_collect_cloud.sh
 
     echo

ci-automation/garbage_collect_cloud.sh

@@ -11,6 +11,8 @@ timeout --signal=SIGQUIT 60m ore openstack gc --duration 6h \
   --config-file=<(echo "${OPENSTACK_CREDS}" | base64 --decode)
 timeout --signal=SIGQUIT 60m ore brightbox gc --duration 6h \
   --brightbox-client-id="${BRIGHTBOX_CLIENT_ID}" --brightbox-client-secret="${BRIGHTBOX_CLIENT_SECRET}"
+timeout --signal=SIGQUIT 60m ore hetzner gc --duration 6h \
+  --hetzner-token="${HETZNER_TOKEN}"
 secret_to_file aws_credentials_config_file "${AWS_CREDENTIALS}"
 for channel in alpha beta stable lts; do
   for arch in amd64 arm64; do

ci-automation/vendor-testing/hetzner.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+# Copyright (c) 2023 The Flatcar Maintainers.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+set -euo pipefail
+
+# Test execution script for the Hetzner vendor.
+# This script is supposed to run in the mantle container.
+
+source ci-automation/vendor_test.sh
+
+hetzner_instance_type_var="HETZNER_${CIA_ARCH}_INSTANCE_TYPE"
+hetzner_instance_type="${!hetzner_instance_type_var}"
+
+# HETZNER_TOKEN should be provided by sdk_container/.env
+
+# Upload the image on Hetzner.
+IMAGE_ID=$(ore hetzner \
+  --hetzner-token="${HETZNER_TOKEN}" \
+  --hetzner-location="${HETZNER_LOCATION}" \
+  create-image \
+  --board="${CIA_ARCH}-usr" \
+  --name flatcar-"${CIA_VERNUM}" \
+  --file="https://${BUILDCACHE_SERVER}/images/${CIA_ARCH}/${CIA_VERNUM}/${HETZNER_IMAGE_NAME}"
+)
+
+kola_test_basename="ci-${CIA_VERNUM//+/-}"
+kola_test_basename="${kola_test_basename//[+.]/-}"
+
+set -x
+
+timeout --signal=SIGQUIT 2h kola run \
+  --board="${CIA_ARCH}-usr" \
+  --parallel="${BRIGHTBOX_PARALLEL}" \
+  --tapfile="${CIA_TAPFILE}" \
+  --channel="${CIA_CHANNEL}" \
+  --basename="${kola_test_basename}" \
+  --platform=hetzner \
+  --hetzner-token="${HETZNER_TOKEN}" \
+  --hetzner-server-type="${hetzner_instance_type}" \
+  --hetzner-location="${HETZNER_LOCATION}" \
+  --hetzner-image=${IMAGE_ID}
+  "${@}"
+
+set +x