139 lines
4.1 KiB
Python
139 lines
4.1 KiB
Python
from bundlewrap.exceptions import BundleError
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from bundlewrap.items import Item
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def backend_segments_to_dict(segments):
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attributes = {}
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name = segments[0].strip()
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attributes["backend"] = segments[1].strip().rstrip(",")
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attributes["port"] = None
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if ":" in attributes["backend"]:
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backend_segments = attributes["backend"].split(":")
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attributes["backend"] = backend_segments[0]
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attributes["port"] = int(backend_segments[1])
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attributes["remove_prefix"] = None
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flag = segments[2]
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if flag == "--remove-prefix":
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attributes["remove_prefix"] = True
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return attributes
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def get_backend_config(node, name):
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result = node.run("uberspace web backend list", may_fail=True)
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backend_lines = result.stdout_text.splitlines()
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for line in backend_lines:
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segments = line.split("=>", 1)[0].strip().split(" ")
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if segments[0] == name:
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d = backend_segments_to_dict(segments)
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return d
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def make_display_string(name, attributes):
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backend_name = attributes.get("backend")
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if attributes.get("backend") == "http":
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backend_name += f":{attributes.get('port')}"
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args = [ backend_name ]
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if attributes["remove_prefix"]:
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args.append("--remove-prefix")
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arg_string = ", ".join(args)
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return f"{name} {arg_string}"
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def make_option_string(name, attributes):
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out = []
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out.append(name)
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out.append(f" --{attributes.get('backend')}")
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if attributes.get("backend") == "http":
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out.append("--port")
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out.append(str(attributes.get('port')))
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if attributes["remove_prefix"]:
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out.append("--remove-prefix")
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return " ".join(out)
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class UberspaceWebBackend(Item):
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"""
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Manage uberspace web backends
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"""
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BUNDLE_ATTRIBUTE_NAME = "uberspace_web_backend"
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ITEM_ATTRIBUTES = {
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"backend": "apache",
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"port": None,
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"remove_prefix": None,
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}
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ITEM_TYPE_NAME = "uberspace_web_backend"
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def __repr__(self):
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return f"<UberspaceWebBackend {make_display_string(self.name, self.attributes)}>"
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def cdict(self):
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cdict = {}
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for option, value in self.attributes.items():
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if value is not None:
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cdict[option] = value
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return cdict
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def fix(self, status):
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self.node.run(f"uberspace web backend set {make_option_string(self.name, self.attributes)}", may_fail=True)
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def sdict(self):
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return get_backend_config(self.node, self.name)
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@classmethod
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def validate_attributes(cls, bundle, item_id, attributes):
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if attributes.get("backend") == "apache":
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if attributes.get("port") is not None:
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raise BundleError(_(
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"do not set 'port' while using 'apache' for 'backend' on {item} in bundle '{bundle}'"
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).format(
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item=item_id,
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bundle=bundle.name,
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))
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if attributes.get("remove_prefix") is not None:
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raise BundleError(_(
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"do not set 'port' while using 'apache' for 'backend' on {item} in bundle '{bundle}'"
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).format(
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item=item_id,
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bundle=bundle.name,
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))
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elif attributes.get("backend") == "http":
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if not isinstance(attributes.get("port"), int):
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raise BundleError(_(
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"'port' required and needs to be numeric while using 'http' for 'backend' on {item} in bundle '{bundle}'"
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).format(
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item=item_id,
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bundle=bundle.name,
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))
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if attributes.get("remove_prefix") not in [True, False, None]:
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raise BundleError(_(
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"expected boolean for 'remove_prefix' on {item} in bundle '{bundle}'"
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).format(
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item=item_id,
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bundle=bundle.name,
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))
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else:
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raise BundleError(_(
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"expected 'apache' or 'http' for 'backend' on {item} in bundle '{bundle}'"
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).format(
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item=item_id,
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bundle=bundle.name,
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))
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