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docker-update
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add ignores, support build.dockerfile

master
Clemens Klug 2018-07-23 15:12:45 +02:00
parent 6a21274fd0
commit cbb88c2f18
1 changed files with 16 additions and 9 deletions
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25
docker-compose.py
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@ -29,15 +29,18 @@ def load_compose_config(f):
def source_to_image(source): def source_to_image(source):
return source.strip().split(" ")[1] return source.strip().split(" ")[1]
def parse_dockerfile(f): def parse_dockerfile(build):
if not f.endswith(DOCKERFILE): path = build["context"]
if "dockerfile" in build:
path = os.path.join(path, build["dockerfile"])
elif not path.endswith(DOCKERFILE):
log.warn(f"guessing Döckerfile… {f}") log.warn(f"guessing Döckerfile… {f}")
f = os.path.join(f, DOCKERFILE) path = os.path.join(path, DOCKERFILE)
if f.startswith("http"): if path.startswith("http"):
log.warn("HTTP sources are not yet supported") log.warn("HTTP sources are not yet supported")
return [f] return [f]
keyword = "FROM" keyword = "FROM"
with open(f, "r") as src: with open(path, "r") as src:
sources = [source_to_image(line) for line in src if line.strip().startswith(keyword)] sources = [source_to_image(line) for line in src if line.strip().startswith(keyword)]
return sources return sources
@ -92,7 +95,7 @@ class Collector:
} }
image = UNTAGGED image = UNTAGGED
if "build" in service: if "build" in service:
service_info["base_images"] = parse_dockerfile(service["build"]["context"]) service_info["base_images"] = parse_dockerfile(service["build"])
if "image" in service: if "image" in service:
image = image_info(service["image"]) image = image_info(service["image"])
if not image.image in images: if not image.image in images:
@ -103,9 +106,12 @@ class Collector:
images[image.image][image.tag] += [service_info] images[image.image][image.tag] += [service_info]
return images return images
def start(files): def start(files, ignores):
collector = Collector() collector = Collector()
for f in files: for f in files:
if any([i in f for i in ignores]):
log.warn(f"skip {f} due to ignore rule {i}")
continue
if not f.endswith(COMPOSE_FILE): if not f.endswith(COMPOSE_FILE):
log.warn(f"guessing docker-compöse.yml… {f}") log.warn(f"guessing docker-compöse.yml… {f}")
f = os.path.join(f, COMPOSE_FILE) f = os.path.join(f, COMPOSE_FILE)
@ -124,13 +130,14 @@ if __name__ == "__main__":
parser = argparse.ArgumentParser(description="Docker-compose parser") parser = argparse.ArgumentParser(description="Docker-compose parser")
parser.add_argument("compose_files", nargs="+") parser.add_argument("compose_files", nargs="+")
parser.add_argument("--output", "-o") parser.add_argument("--output", "-o")
parser.add_argument("--ignore", "-i", nargs="+")
args = parser.parse_args() args = parser.parse_args()
overview = start(args.compose_files) overview = start(args.compose_files, args.ignore)
if args.output: if args.output:
with open(args.output, "w") as out: with open(args.output, "w") as out:
json.dump(overview, out, indent=1) json.dump(overview, out, indent=1)
else: else:
print(json.dumps(overview, indent=1) print(json.dumps(overview, indent=1))