203 lines
8.8 KiB
Python
203 lines
8.8 KiB
Python
import re
|
|
from typing import Dict, List, Optional
|
|
|
|
from ruamel.yaml import YAML
|
|
|
|
from compose_viz.compose import Compose, Service
|
|
from compose_viz.extends import Extends
|
|
from compose_viz.port import Port, Protocol
|
|
from compose_viz.volume import AccessMode, Volume, VolumeType
|
|
|
|
|
|
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 = self.parse_service_data(yaml_data["services"])
|
|
|
|
# create Compose object
|
|
compose = Compose(services)
|
|
|
|
return compose
|
|
|
|
def parse_service_data(self, services_yaml_data: Dict[str, dict]) -> List[Service]:
|
|
services: List[Service] = []
|
|
for service, service_name in zip(services_yaml_data.values(), services_yaml_data.keys()):
|
|
|
|
service_image: Optional[str] = None
|
|
if service.get("image"):
|
|
service_image = service["image"]
|
|
elif service.get("build"):
|
|
service_image = "build from " + service["build"]
|
|
|
|
service_networks: List[str] = []
|
|
if service.get("networks"):
|
|
if type(service["networks"]) is list:
|
|
service_networks = service["networks"]
|
|
elif type(service["networks"]) is dict:
|
|
service_networks = list(service["networks"].keys())
|
|
|
|
service_extends: Optional[Extends] = None
|
|
if service.get("extends"):
|
|
if service["extends"].get("service"):
|
|
service_extends = Extends(service_name=service["extends"]["service"])
|
|
|
|
service_ports: List[Port] = []
|
|
if service.get("ports"):
|
|
assert type(service["ports"]) is list
|
|
for port_data in service["ports"]:
|
|
if type(port_data) is dict:
|
|
# define a nested function to limit variable scope
|
|
def long_syntax():
|
|
assert type(port_data) is dict
|
|
assert port_data["target"]
|
|
|
|
container_port: str = str(port_data["target"])
|
|
host_port: str = ""
|
|
protocol: Protocol = Protocol.tcp
|
|
|
|
if port_data.get("published"):
|
|
host_port = str(port_data["published"])
|
|
else:
|
|
host_port = container_port
|
|
|
|
if port_data.get("host_ip"):
|
|
host_ip = str(port_data["host_ip"])
|
|
host_port = f"{host_ip}:{host_port}"
|
|
|
|
if port_data.get("protocol"):
|
|
protocol = Protocol[str(port_data["protocol"])]
|
|
|
|
assert host_port, "Error parsing port, aborting."
|
|
|
|
service_ports.append(
|
|
Port(
|
|
host_port=host_port,
|
|
container_port=container_port,
|
|
protocol=protocol,
|
|
)
|
|
)
|
|
|
|
long_syntax()
|
|
elif type(port_data) is str:
|
|
# ports that needs to parse using regex:
|
|
# - "3000"
|
|
# - "3000-3005"
|
|
# - "8000:8000"
|
|
# - "9090-9091:8080-8081"
|
|
# - "49100:22"
|
|
# - "127.0.0.1:8001:8001"
|
|
# - "127.0.0.1:5000-5010:5000-5010"
|
|
# - "6060:6060/udp"
|
|
|
|
def short_syntax():
|
|
assert type(port_data) is str
|
|
regex = r"(?P<host_ip>\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:)?((?P<host_port>\d+(\-\d+)?):)?((?P<container_port>\d+(\-\d+)?))?(/(?P<protocol>\w+))?" # noqa: E501
|
|
match = re.match(regex, port_data)
|
|
if match:
|
|
host_ip: Optional[str] = match.group("host_ip")
|
|
host_port: Optional[str] = match.group("host_port")
|
|
container_port: Optional[str] = match.group("container_port")
|
|
protocol: Optional[str] = match.group("protocol")
|
|
|
|
assert container_port, "Invalid port format, aborting."
|
|
|
|
if container_port and not host_port:
|
|
host_port = container_port
|
|
|
|
if host_ip:
|
|
host_port = f"{host_ip}{host_port}"
|
|
|
|
assert host_port, "Error while parsing port, aborting."
|
|
|
|
if protocol:
|
|
service_ports.append(
|
|
Port(
|
|
host_port=host_port,
|
|
container_port=container_port,
|
|
protocol=Protocol[protocol],
|
|
)
|
|
)
|
|
else:
|
|
service_ports.append(
|
|
Port(
|
|
host_port=host_port,
|
|
container_port=container_port,
|
|
)
|
|
)
|
|
|
|
short_syntax()
|
|
|
|
service_depends_on: List[str] = []
|
|
if service.get("depends_on"):
|
|
service_depends_on = service["depends_on"]
|
|
|
|
service_volumes: List[Volume] = []
|
|
if service.get("volumes"):
|
|
for volume_data in service["volumes"]:
|
|
if type(volume_data) is dict:
|
|
assert volume_data["source"] and volume_data["target"], "Invalid volume input, aborting."
|
|
|
|
volume_source: str = str(volume_data["source"])
|
|
volume_target: str = str(volume_data["target"])
|
|
volume_type: VolumeType = VolumeType.volume
|
|
|
|
if volume_data.get("type"):
|
|
volume_type = VolumeType[str(volume_data["type"])]
|
|
|
|
service_volumes.append(Volume(source=volume_source, target=volume_target, type=volume_type))
|
|
elif type(volume_data) is str:
|
|
assert ":" in volume_data, "Invalid volume input, aborting."
|
|
|
|
spilt_data = volume_data.split(":")
|
|
if len(spilt_data) == 2:
|
|
service_volumes.append(Volume(source=spilt_data[0], target=spilt_data[1]))
|
|
elif len(spilt_data) == 3:
|
|
service_volumes.append(
|
|
Volume(
|
|
source=spilt_data[0], target=spilt_data[1], access_mode=AccessMode[spilt_data[2]]
|
|
)
|
|
)
|
|
|
|
service_links: List[str] = []
|
|
if service.get("links"):
|
|
service_links = service["links"]
|
|
|
|
services.append(
|
|
Service(
|
|
name=service_name,
|
|
image=service_image,
|
|
networks=service_networks,
|
|
extends=service_extends,
|
|
ports=service_ports,
|
|
depends_on=service_depends_on,
|
|
volumes=service_volumes,
|
|
links=service_links,
|
|
)
|
|
)
|
|
# Service print debug
|
|
# print("--------------------")
|
|
# print("Service name: {}".format(service_name))
|
|
# print("image: {}".format(service_image))
|
|
# print("networks: {}".format(service_networks))
|
|
# print("image: {}".format(service_image))
|
|
# print("extends: {}".format(service_extends))
|
|
# print("ports: {}".format(service_ports))
|
|
# print("depends: {}".format(service_depends_on))
|
|
|
|
return services
|