127 lines
4.3 KiB
Python
127 lines
4.3 KiB
Python
import os, time, yaml
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from pyVmomi import vim
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from pyVim.connect import Disconnect
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from core.vm_connector import connect_vcenter
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from config.settings import YAML_OUTPUT_PATH
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from utils.logger import logger
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def load_old_snapshots(file_path):
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"""从 YAML 文件中加载旧快照"""
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if os.path.exists(file_path):
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with open(file_path, 'r', encoding='utf-8') as yaml_file:
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return yaml.safe_load(yaml_file)
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else:
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logger.error(f"{file_path} 文件不存在.")
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return []
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def remove_snapshot(dele_snapshots):
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"""根据 YAML 信息删除旧快照"""
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# print(dele_snapshots)
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if not dele_snapshots:
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logger.info("没有需要删除的快照")
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return
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# 按 NodeHost 分组，避免重复连接
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grouped = {}
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for snapshot in dele_snapshots:
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if snapshot['is_old']:
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grouped.setdefault(snapshot['NodeHost'], []).append(snapshot)
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# print(grouped)
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for host, snapshots in grouped.items():
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logger.info(f"连接 {host} 进行删除快照...")
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try:
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si = connect_vcenter(host)
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try:
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for snapshot in snapshots:
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# print(snapshot)
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delete_snapshot(si, snapshot) # 调用删除快照函数
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finally:
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Disconnect(si)
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except Exception as e:
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logger.error(f"快照删除失败，因为连接 {host} 失败：{e}" )
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# 执行快照删除的（核心）函数
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def delete_snapshot(si, snapshot_info):
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""" 执行快照删除 """
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content = si.RetrieveContent()
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snap_name = f"{snapshot_info['VMName']}-{snapshot_info['Snapshot Name']}-({snapshot_info['MOID']})"
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vm = find_vm_by_name(content, snapshot_info['VMName']) # 根据快照名，查找出相应的虚拟机
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# print(snap_name,vm)
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if not vm:
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logger.info(f"未找到 VM: {snapshot_info['VMName']}")
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return
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# 检查该虚拟机是否有快照
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if not vm.snapshot:
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logger.warning(f"{snap_name}：快照不存在")
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return
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# 调用函数获取虚拟机快照的 MOID 信息
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snapshot_obj = find_snapshot_by_moid(
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vm.snapshot.rootSnapshotList,
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snapshot_info['MOID']
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)
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# print(snapshot_obj)
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if not snapshot_obj:
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logger.warning(snap_name,"：未找到")
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return
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try:
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"""删除快照核心代码，调用快照对象的 RemoveSnapshot_Task 方法执行。removeChildren = False：表示删除该快照时不删除其子快照。"""
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logger.info(f"正在删除 Snapshot: {snap_name}")
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task = snapshot_obj.RemoveSnapshot_Task(removeChildren=False)
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# 改进的等待逻辑
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while task.info.state in [vim.TaskInfo.State.running, vim.TaskInfo.State.queued]:
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time.sleep(1) # 每秒检查一次
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# 更完整的状态判断
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if task.info.state == vim.TaskInfo.State.success:
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logger.info(f"✅ 删除成功: {snap_name}")
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elif task.info.state == vim.TaskInfo.State.error:
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error_msg = task.info.error.msg if task.info.error else "未知错误"
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logger.error(f"❌ 删除失败: {snap_name}, 错误: {error_msg}")
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else:
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# 处理其他状态（如 cancelled）
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logger.warning(f"⚠️ 任务未成功完成，状态: {task.info.state}")
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except Exception as e:
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logger.exception(f"删除快照时发生异常: {snap_name}")
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raise
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"""根据 VM 名称查找虚拟机"""
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def find_vm_by_name(content, vm_name):
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container = content.viewManager.CreateContainerView(
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content.rootFolder, [vim.VirtualMachine], True
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)
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for vm in container.view:
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if vm.name == vm_name:
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container.Destroy()
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return vm
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container.Destroy()
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return None
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""" 递归查找 snapshot 对象 """
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def find_snapshot_by_moid(snapshot_tree, moid):
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for snapshot in snapshot_tree:
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if snapshot.snapshot._moId == moid:
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return snapshot.snapshot
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if snapshot.childSnapshotList:
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result = find_snapshot_by_moid(snapshot.childSnapshotList, moid)
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if result:
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return result
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return None
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if __name__ == "__main__":
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old_snapshots = load_old_snapshots(YAML_OUTPUT_PATH) # 获取待删除的快照信息
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remove_snapshot(old_snapshots) |