inecs
f8d3cbdd59
Add the FastAPI app, PostgreSQL migrations, Docker/Helm packaging, API contracts, docs, client examples, and the unit/integration/compatibility test suite for local client and tooling labs without a real vCenter.
205 lines
8.1 KiB
Python
205 lines
8.1 KiB
Python
"""Cluster config / join / totem handlers."""
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from __future__ import annotations
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import secrets
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from typing import Any
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from fastapi import Request
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from app.api.errors import ApiError
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from app.api.registry import HandlerRegistry
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from app.handlers.common import (
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cluster_metadata,
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database,
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save_cluster_metadata,
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subdirs,
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values,
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)
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def _config(metadata: dict[str, Any]) -> dict[str, Any]:
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current = metadata.setdefault(
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"cluster_config",
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{
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"clustername": "pve-simulator",
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"votes": 1,
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"links": {},
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"join_info": {},
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"totem": {"version": 2, "secauth": "on", "cluster_name": "pve-simulator"},
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"qdevice": {"status": "disabled"},
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"apiversion": 1,
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},
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)
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if not isinstance(current, dict):
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current = {
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"clustername": "pve-simulator",
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"votes": 1,
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"links": {},
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"join_info": {},
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"totem": {"version": 2, "secauth": "on", "cluster_name": "pve-simulator"},
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"qdevice": {"status": "disabled"},
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"apiversion": 1,
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}
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metadata["cluster_config"] = current
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return current
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def register_cluster_config_handlers(registry: HandlerRegistry) -> None:
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async def index(_request: Request, _inputs: dict[str, Any]) -> list[dict[str, str]]:
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return subdirs("apiversion", "join", "nodes", "qdevice", "totem")
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async def create(request: Request, inputs: dict[str, Any]) -> None:
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payload = values(inputs)
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metadata = await cluster_metadata(request)
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config = _config(metadata)
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if payload.get("clustername"):
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config["clustername"] = str(payload["clustername"])
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config.setdefault("totem", {})["cluster_name"] = str(payload["clustername"])
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if "votes" in payload:
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config["votes"] = payload["votes"]
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if "nodeid" in payload:
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config["creator_nodeid"] = payload["nodeid"]
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links = {key: value for key, value in payload.items() if key.startswith("link")}
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if links:
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config["links"] = links
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config["token"] = secrets.token_hex(16)
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await save_cluster_metadata(request, metadata)
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await database(request).pool.execute(
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"""UPDATE clusters
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SET name=$1, updated_at=now()
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WHERE id=(SELECT id FROM clusters LIMIT 1)""",
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str(config["clustername"]),
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)
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async def apiversion(_request: Request, _inputs: dict[str, Any]) -> int:
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metadata = await cluster_metadata(_request)
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return int(_config(metadata).get("apiversion") or 1)
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async def join_get(request: Request, inputs: dict[str, Any]) -> dict[str, Any]:
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metadata = await cluster_metadata(request)
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config = _config(metadata)
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node = values(inputs).get("node")
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rows = await database(request).pool.fetch("SELECT name, status FROM nodes ORDER BY name")
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nodelist = [
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{"name": str(row["name"]), "online": 1 if row["status"] == "online" else 0}
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for row in rows
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]
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return {
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"clustername": config.get("clustername"),
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"config_digest": secrets.token_hex(8),
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"nodelist": nodelist,
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"preferred_node": node or (nodelist[0]["name"] if nodelist else None),
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"totem": config.get("totem", {}),
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"links": config.get("links", {}),
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}
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async def join_post(request: Request, inputs: dict[str, Any]) -> None:
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payload = values(inputs)
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metadata = await cluster_metadata(request)
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config = _config(metadata)
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hostname = str(payload.get("hostname") or payload.get("node") or "")
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if not hostname:
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raise ApiError(400, "parameter verification failed - 'hostname' missing")
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joins = config.setdefault("join_info", {})
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joins[hostname] = {
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"hostname": hostname,
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"fingerprint": payload.get("fingerprint"),
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"nodeid": payload.get("nodeid"),
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"votes": payload.get("votes", 1),
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"force": payload.get("force"),
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}
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# password accepted but not stored in clear form
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if payload.get("password"):
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joins[hostname]["password_set"] = True
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exists = await database(request).pool.fetchval(
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"SELECT EXISTS(SELECT 1 FROM nodes WHERE name=$1)",
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hostname,
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)
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if not exists:
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await database(request).pool.execute(
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"""INSERT INTO nodes(id, name, status, metadata)
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VALUES(gen_random_uuid(), $1, 'online', '{}'::jsonb)""",
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hostname,
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)
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await save_cluster_metadata(request, metadata)
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async def nodes_list(request: Request, _inputs: dict[str, Any]) -> list[dict[str, Any]]:
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rows = await database(request).pool.fetch("SELECT name, status FROM nodes ORDER BY name")
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metadata = await cluster_metadata(request)
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config = _config(metadata)
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result = []
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for index, row in enumerate(rows, start=1):
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result.append(
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{
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"node": str(row["name"]),
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"nodeid": index,
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"ring0_addr": f"{row['name']}.local",
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"quorum_votes": config.get("votes", 1),
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}
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)
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return result
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async def nodes_add(request: Request, inputs: dict[str, Any]) -> None:
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payload = values(inputs)
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node = str(payload["node"])
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metadata = await cluster_metadata(request)
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config = _config(metadata)
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added = config.setdefault("added_nodes", {})
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added[node] = {
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"node": node,
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"nodeid": payload.get("nodeid"),
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"new_node_ip": payload.get("new_node_ip"),
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"votes": payload.get("votes", 1),
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"apiversion": payload.get("apiversion"),
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"force": payload.get("force"),
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}
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links = {key: value for key, value in payload.items() if key.startswith("link")}
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if links:
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added[node]["links"] = links
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exists = await database(request).pool.fetchval(
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"SELECT EXISTS(SELECT 1 FROM nodes WHERE name=$1)",
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node,
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)
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if not exists:
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await database(request).pool.execute(
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"""INSERT INTO nodes(id, name, status, metadata)
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VALUES(gen_random_uuid(), $1, 'online', '{}'::jsonb)""",
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node,
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)
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await save_cluster_metadata(request, metadata)
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async def nodes_delete(request: Request, inputs: dict[str, Any]) -> None:
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node = str(values(inputs)["node"])
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metadata = await cluster_metadata(request)
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config = _config(metadata)
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added = config.setdefault("added_nodes", {})
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added.pop(node, None)
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joins = config.setdefault("join_info", {})
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joins.pop(node, None)
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await save_cluster_metadata(request, metadata)
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# Keep node row; mark offline to avoid cascading guest deletes.
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await database(request).pool.execute(
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"UPDATE nodes SET status='offline', updated_at=now() WHERE name=$1",
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node,
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)
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async def qdevice(request: Request, _inputs: dict[str, Any]) -> dict[str, Any]:
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metadata = await cluster_metadata(request)
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return dict(_config(metadata).get("qdevice") or {"status": "disabled"})
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async def totem(request: Request, _inputs: dict[str, Any]) -> dict[str, Any]:
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metadata = await cluster_metadata(request)
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return dict(_config(metadata).get("totem") or {})
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registry.register("/cluster/config", "GET", index)
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registry.register("/cluster/config", "POST", create)
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registry.register("/cluster/config/apiversion", "GET", apiversion)
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registry.register("/cluster/config/join", "GET", join_get)
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registry.register("/cluster/config/join", "POST", join_post)
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registry.register("/cluster/config/nodes", "GET", nodes_list)
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registry.register("/cluster/config/nodes/{node}", "POST", nodes_add)
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registry.register("/cluster/config/nodes/{node}", "DELETE", nodes_delete)
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registry.register("/cluster/config/qdevice", "GET", qdevice)
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registry.register("/cluster/config/totem", "GET", totem)
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