49 lines
1.7 KiB
Python
49 lines
1.7 KiB
Python
from re import S
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from compose_viz.compose import Compose
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from compose_viz.compose import Service
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from ruamel.yaml import YAML
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class Parser:
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def __init__(self):
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pass
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def parse(self, file_path: str) -> Compose:
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# validate input file using `docker-compose config -q sys.argv[1]` first
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# load the yaml file
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with open(file_path, "r") as f:
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try:
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yaml = YAML(typ='safe', pure=True)
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yaml_data = yaml.load(f)
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except YAML.YAMLError as exc:
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raise YAML.YAMLError
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# validate the yaml file
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if not yaml_data:
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print("Error: empty yaml file")
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raise ValueError
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if not yaml_data.get("services"):
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print("Error: no services found")
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raise ValueError
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# parse services data into Service objects
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services_data = yaml_data["services"]
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services = []
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for service, service_name in zip(services_data.values(), services_data.keys()):
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#print("name: {}".format(service_name))
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if service.get("image"):
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service_image = service["image"]
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#print("image: {}".format(service_image))
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if service.get("networks"):
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if(type(service["networks"]) is list):
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service_networks = service["networks"]
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else:
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service_networks = list(service["networks"].keys())
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#print("networks: {}".format(service_networks))
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services.append(Service(
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name=service_name,
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image=service_image,
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networks=service_networks,
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))
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# create Compose object
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compose = Compose(services)
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return compose
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