69 lines
2.4 KiB
Python
69 lines
2.4 KiB
Python
from typing import List, Optional
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from ruamel.yaml import YAML
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from compose_viz.compose import Compose, Service
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from compose_viz.extends import Extends
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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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# 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 Exception as e:
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raise RuntimeError(f"Error parsing file '{file_path}': {e}")
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# validate the yaml file
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if not yaml_data:
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raise RuntimeError("Empty yaml file, aborting.")
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if not yaml_data.get("services"):
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raise RuntimeError("No services found, aborting.")
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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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service_image: Optional[str] = None
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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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elif service.get("build"):
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service_image = "build from " + service["build"]
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print("image: {}".format(service_image))
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service_networks: List[str] = []
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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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service_image: Optional[str] = None
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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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service_extends: Optional[Extends] = None
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if service.get("extends"):
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service_extends = Extends(service_name=service["extends"]["service"])
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print("extends: {}".format(service_extends))
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services.append(
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Service(name=service_name, image=service_image, networks=service_networks, extends=service_extends)
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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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