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kevinveenbirkenbachandClaude Opus 5.5
08fba6b3ef
network_url moves a URL into the network of the vhost being rendered, network_urls lists it once per network sibling with that sibling's scheme, and network_redirects fans a redirect source out to its siblings while the target stays canonical. Consumers that hard-code the canonical origin can now emit the sibling a request actually arrives on. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
60 lines
2.1 KiB
Python
60 lines
2.1 KiB
Python
"""A same-node URL moved into the network of the vhost being rendered."""
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from __future__ import annotations
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from typing import Any
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from urllib.parse import urlsplit, urlunsplit
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from ansible.errors import AnsibleError
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from ansible.plugins.loader import lookup_loader
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from ansible.plugins.lookup import LookupBase
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from plugins.filter.network_of import in_network
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from utils.networks.reachability import network_of
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class LookupModule(LookupBase):
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"""
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Usage:
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{{ lookup('network_url', url) }}
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Returns ``url`` with its host swapped for the sibling the node serves in the
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network of ``domain``, the vhost being rendered, and with that sibling's
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scheme. A URL whose host the node does not serve in that network comes back
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unchanged.
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"""
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def run(self, terms, variables: dict[str, Any] | None = None, **kwargs):
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if not terms or len(terms) != 1:
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raise AnsibleError("lookup('network_url', url) expects one url")
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variables = variables or getattr(self._templar, "available_variables", {}) or {}
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if "domain" not in variables:
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raise AnsibleError(
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"lookup('network_url', url) needs the vhost being rendered in 'domain'"
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)
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templar = getattr(self, "_templar", None)
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def _run(name: str, *args: str) -> Any:
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return lookup_loader.get(name, loader=self._loader, templar=templar).run(
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list(args), variables=variables
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)[0]
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vhost = variables["domain"]
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if templar is not None and isinstance(vhost, str):
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vhost = templar.template(vhost)
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url = str(terms[0])
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parts = urlsplit(url)
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if not parts.hostname:
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return [url]
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siblings = in_network(
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_run("network_siblings", parts.hostname), network_of(str(vhost))
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)
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if not siblings or siblings[0] == parts.hostname:
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return [url]
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base = urlsplit(_run("tls", siblings[0], "url.base"))
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return [
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urlunsplit(
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(base.scheme, base.netloc, parts.path, parts.query, parts.fragment)
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)
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]
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