debian-forge-composer/tools/test-case-generators/generate-test-cases
Achilleas Koutsou b1ce6e18d5 tools: remove dnf-json socket start function
ensure_dnf_json() function no longer needed.
2022-06-01 11:36:52 +01:00

177 lines
7.5 KiB
Python
Executable file

#!/usr/bin/python3
import argparse
import subprocess
import json
import os
import sys
import tempfile
def is_subprocess_succeeding(*args, **kwargs):
sp = subprocess.run(*args, **kwargs, stdout=subprocess.PIPE)
return sp.returncode == 0
def get_subprocess_stdout(*args, **kwargs):
sp = subprocess.run(*args, **kwargs, stdout=subprocess.PIPE)
if sp.returncode != 0:
sys.stderr.write(sp.stdout)
sys.exit(1)
return sp.stdout
def run_osbuild(manifest, store, output, export):
with tempfile.TemporaryFile(dir="/tmp", prefix="osbuild-test-case-generator-", suffix=".log") as log:
try:
subprocess.run(["osbuild",
"--store", store,
"--output-directory", output,
"--checkpoint", "build",
"--export", export,
"-"],
stdout=log,
stderr=subprocess.STDOUT,
check=True,
encoding="utf-8",
input=json.dumps(manifest))
except:
log.seek(0)
print(log.read())
raise
class TestCaseGenerator:
'''
This class generates a json test case. It accepts a test_case_request as input to the constructor:
{
"boot": {
"type": "qemu"
},
"compose-request": {
"distro": "fedora-30",
"arch": "x86_64",
"image-type": "qcow2",
"filename": "disk.qcow2",
"blueprint": {}
}
}
It then outputs a json test case from the get_test_case() method.
'''
def __init__(self, test_case_request):
self.test_case = test_case_request
def get_test_case(self, no_image_info, store):
compose_request = json.dumps(self.test_case["compose-request"])
pipeline_command = ["go", "run", "./cmd/osbuild-pipeline", "-"]
self.test_case["manifest"] = json.loads(get_subprocess_stdout(pipeline_command, input=compose_request, encoding="utf-8"))
pipeline_command = ["go", "run", "./cmd/osbuild-pipeline", "-rpmmd", "-"]
self.test_case["rpmmd"] = json.loads(get_subprocess_stdout(pipeline_command, input=compose_request, encoding="utf-8"))
if no_image_info == False:
with tempfile.TemporaryDirectory(dir=store, prefix="test-case-output-") as output:
manifest = self.test_case["manifest"]
version = manifest.get("version", "1")
if version == "1":
export = "assembler"
elif version == "2":
export = manifest["pipelines"][-1]["name"]
else:
print(f"Unknown manifest format version {version}")
sys.exit(1)
run_osbuild(manifest, store, output, export)
image_file = os.path.join(output, export, self.test_case["compose-request"]["filename"])
image_info = get_subprocess_stdout(["tools/image-info", image_file], encoding="utf-8")
self.test_case["image-info"] = json.loads(image_info)
return self.test_case
def generate_test_case(test_type, distro, arch, output_format, test_case_request, keep_image_info, store, output):
print(f"generating test case for {output_format}", flush=True)
generator = TestCaseGenerator(test_case_request)
test_case = generator.get_test_case(keep_image_info, store)
name = distro.replace("-", "_") + "-" + arch + "-" + output_format.replace("-", "_") + "-" + test_type + ".json"
file_name = output + "/" + name
if keep_image_info:
try:
with open(file_name, 'r') as case_file:
old_test_case = json.load(case_file)
image_info = old_test_case.get("image-info")
if image_info:
test_case["image-info"] = image_info
except:
pass
with open(file_name, 'w') as case_file:
json.dump(test_case, case_file, indent=2)
case_file.write("\n")
def filter_repos_by_image_type_tags(image_type: str, repos: list) -> list:
filtered_repos = []
for repo in repos:
image_type_tags = repo.get("image_type_tags")
# if image type tags are defined for the repository, add it to the list only
# if the provided image type is in the list of image type tags.
if image_type_tags is not None:
if image_type in image_type_tags:
filtered_repos.append(repo)
continue
filtered_repos.append(repo)
return filtered_repos
def main(distro, arch, image_types, keep_image_info, store, output):
with open("tools/test-case-generators/format-request-map.json") as format_request_json:
format_request_dict = json.load(format_request_json)
with open("tools/test-case-generators/repos.json") as repos_json:
repos_dict = json.load(repos_json)
filtered_test_case_request_items = [
"overrides",
"supported_arches"
]
for output_format, test_case_request in format_request_dict.items():
filtered_request = dict(filter(lambda i: i[0] not in filtered_test_case_request_items, test_case_request.items()))
if filtered_request["compose-request"]["image-type"] not in image_types:
continue
filtered_request["compose-request"]["distro"] = distro
# if the compose-request has specified supported arches, then generate
# the test case only if the requested arch is in the list
supported_arches = test_case_request.get("supported_arches")
if supported_arches is not None and arch not in supported_arches:
continue
filtered_request["compose-request"]["arch"] = arch
request_repos = filter_repos_by_image_type_tags(filtered_request["compose-request"]["image-type"], repos_dict[distro][arch])
filtered_request["compose-request"]["repositories"] = request_repos
if distro in test_case_request["overrides"]:
filtered_request["compose-request"].update(test_case_request["overrides"][distro])
# Some image types can not be analyzed by 'image-info'. To be able to
# regenerate all test cases for a distro, this must be request definition
# and not a cli option. Default to the 'keep_image_info' value if not
# set explicitly for the image type.
no_image_info = filtered_request.get("no-image-info", keep_image_info)
generate_test_case("boot", distro, arch, output_format, filtered_request, no_image_info, store, output)
return
if __name__ == '__main__':
parser = argparse.ArgumentParser(description="Generate test cases")
parser.add_argument("--distro", help="distribution for test cases", required=True)
parser.add_argument("--arch", help="architecture for test cases", required=True)
parser.add_argument("--image-types", help="image types for test cases", required=True, nargs='+')
parser.add_argument("--keep-image-info", action='store_true', help="skip image info (re)generation, but keep the one found in the existing test case")
parser.add_argument("--store", metavar="STORE_DIRECTORY", type=os.path.abspath, help="path to the osbuild store", required=True)
parser.add_argument("--output", metavar="OUTPUT_DIRECTORY", type=os.path.abspath, help="path to the output directory", required=True)
args = parser.parse_args()
main(args.distro, args.arch, args.image_types, args.keep_image_info, args.store, args.output)
sys.exit()