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https://github.com/gyptazy/ProxLB.git
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dd13181cf9
members not having a 'name' property (i.e. 'storage' members) Fixes: #368 Sponsored-by: Stefan Oettl <stefan.oettl@isarnet.de> (@stefanoettl)
118 lines
4.4 KiB
Python
118 lines
4.4 KiB
Python
"""
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The Pools class retrieves all present pools defined on a Proxmox cluster
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including the chield objects.
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"""
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__author__ = "Florian Paul Azim Hoberg <gyptazy>"
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__copyright__ = "Copyright (C) 2025 Florian Paul Azim Hoberg (@gyptazy)"
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__license__ = "GPL-3.0"
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from typing import Dict, Any
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from utils.logger import SystemdLogger
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from models.tags import Tags
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import time
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logger = SystemdLogger()
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class Pools:
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"""
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The Pools class retrieves all present pools defined on a Proxmox cluster
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including the chield objects.
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Methods:
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__init__:
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Initializes the Pools class.
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get_pools(proxmox_api: any) -> Dict[str, Any]:
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Retrieve pool definitions and membership from the Proxmox cluster.
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Returns a dict with a top-level "pools" mapping each poolid to
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{"name": <poolid>, "members": [<member_names>...]}.
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This method does not collect per-member metrics or perform node filtering.
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"""
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def __init__(self):
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"""
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Initializes the Pools class with the provided ProxLB data.
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"""
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@staticmethod
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def get_pools(proxmox_api: any) -> Dict[str, Any]:
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"""
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Retrieve all pools and their members from a Proxmox cluster.
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Queries the Proxmox API for pool definitions and returns a dictionary
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containing each pool's id/name and a list of its member VM/CT names.
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This function does not perform per-member metric collection or node
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filtering — it only gathers pool membership information.
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Args:
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proxmox_api (any): Proxmox API client instance.
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Returns:
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Dict[str, Any]: Dictionary with a top-level "pools" key mapping poolid
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to {"name": <poolid>, "members": [<member_names>...]}.
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"""
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logger.debug("Starting: get_pools.")
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pools = {"pools": {}}
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# Pool objects: iterate over all pools in the cluster.
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# We keep pool members even if their nodes are ignored so resource accounting
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# for rebalancing remains correct and we avoid overprovisioning nodes.
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for pool in proxmox_api.pools.get():
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logger.debug(f"Got pool: {pool['poolid']}")
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pools['pools'][pool['poolid']] = {}
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pools['pools'][pool['poolid']]['name'] = pool['poolid']
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pools['pools'][pool['poolid']]['members'] = []
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# Fetch pool details and collect member names
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pool_details = proxmox_api.pools(pool['poolid']).get()
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for member in pool_details.get("members", []):
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# We might also have objects without the key "name", e.g. storage pools
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if "name" not in member:
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logger.debug(f"Skipping member without name in pool: {pool['poolid']}")
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continue
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logger.debug(f"Got member: {member['name']} for pool: {pool['poolid']}")
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pools['pools'][pool['poolid']]['members'].append(member["name"])
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logger.debug("Finished: get_pools.")
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return pools
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@staticmethod
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def get_pools_for_guest(guest_name: str, pools: Dict[str, Any]) -> Dict[str, Any]:
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"""
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Return the list of pool names that include the given guest.
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Args:
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guest_name (str): Name of the VM or CT to look up.
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pools (Dict[str, Any]): Pools structure as returned by get_pools(),
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expected to contain a top-level "pools" mapping each poolid to
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{"name": <poolid>, "members": [<member_names>...]}.
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Returns:
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list[str]: Names of pools the guest is a member of (empty list if none).
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"""
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logger.debug("Starting: get_pools_for_guests.")
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guest_pools = []
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for pool in pools.items():
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for pool_id, pool_data in pool[1].items():
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if type(pool_data) is dict:
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pool_name = pool_data.get("name", "")
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pool_name_members = pool_data.get("members", [])
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if guest_name in pool_name_members:
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logger.debug(f"Guest: {guest_name} is member of Pool: {pool_name}.")
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guest_pools.append(pool_name)
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else:
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logger.debug(f"Guest: {guest_name} is NOT member of Pool: {pool_name}.")
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else:
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logger.debug(f"Pool data for pool_id {pool_id} is not a dict: {pool_data}")
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logger.debug("Finished: get_pools_for_guests.")
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return guest_pools
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