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#!/usr/bin/python3
import sys
import argparse
import yaml
def parse_arguments():
parser = argparse.ArgumentParser(description="pc gadget yaml generator for test")
parser.add_argument(
"gadgetyaml", type=argparse.FileType("r"), help="path to gadget.yaml input file"
)
return parser.parse_args()
def must_find_struct(structs, name):
found = [s for s in structs if s["name"] == name]
if len(found) != 1:
raise RuntimeError("no structure with name {} among: {}".format(name, structs))
return found[0]
def bump_update_edition(update):
if update is None:
return {"edition": 1}
if "edition" not in update:
update["edition"] = 1
else:
update["edition"] += 1
return update
def main(opts):
gadget_yaml = yaml.safe_load(opts.gadgetyaml)
structs = gadget_yaml["volumes"]["pc"]["structure"]
ubuntu_seed = must_find_struct(structs, "ubuntu-seed")
ubuntu_seed["update"] = bump_update_edition(ubuntu_seed.get("update"))
# trigger an update, so that device lookup is performed
mbr = must_find_struct(structs, "mbr")
mbr["update"] = bump_update_edition(mbr.get("update"))
yaml.dump(gadget_yaml, stream=sys.stdout, indent=2, default_flow_style=False)
if __name__ == "__main__":
opts = parse_arguments()
main(opts)
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