59 lines
1.8 KiB
Python
59 lines
1.8 KiB
Python
from typing import List, Optional
|
|
|
|
from ruamel.yaml import YAML
|
|
|
|
from compose_viz.compose import Compose, Service
|
|
|
|
|
|
class Parser:
|
|
def __init__(self):
|
|
pass
|
|
|
|
def parse(self, file_path: str) -> Compose:
|
|
# load the yaml file
|
|
with open(file_path, "r") as f:
|
|
try:
|
|
yaml = YAML(typ="safe", pure=True)
|
|
yaml_data = yaml.load(f)
|
|
except Exception as e:
|
|
raise RuntimeError(f"Error parsing file '{file_path}': {e}")
|
|
|
|
# validate the yaml file
|
|
if not yaml_data:
|
|
raise RuntimeError("Empty yaml file, aborting.")
|
|
|
|
if not yaml_data.get("services"):
|
|
raise RuntimeError("No services found, aborting.")
|
|
|
|
# parse services data into Service objects
|
|
services_data = yaml_data["services"]
|
|
services = []
|
|
|
|
for service, service_name in zip(services_data.values(), services_data.keys()):
|
|
# print("name: {}".format(service_name))
|
|
|
|
service_image: Optional[str] = None
|
|
if service.get("image"):
|
|
service_image = service["image"]
|
|
# print("image: {}".format(service_image))
|
|
|
|
service_networks: List[str] = []
|
|
if service.get("networks"):
|
|
if type(service["networks"]) is list:
|
|
service_networks = service["networks"]
|
|
else:
|
|
service_networks = list(service["networks"].keys())
|
|
# print("networks: {}".format(service_networks))
|
|
|
|
services.append(
|
|
Service(
|
|
name=service_name,
|
|
image=service_image,
|
|
networks=service_networks,
|
|
)
|
|
)
|
|
|
|
# create Compose object
|
|
compose = Compose(services)
|
|
|
|
return compose
|