Python实现VMware自动化资源巡检

from pyVim import connect from pyVmomi import vim import ssl import time from datetime import datetime, timedelta # 脚本运行时间 starttime = datetime.now().strftime('%Y-%m-%d %H:%M:%S') start_time = time.time() print("自动化巡检-执行时间：" + starttime) # 创建一个不验证SSL证书的上下文 context = ssl.create_default_context() context.check_hostname = False context.verify_mode = ssl.CERT_NONE # vCenter Server IP地址或主机名 vc_host = '192.168.1.1' # vCenter登录凭据（用户名、密码） username = '[e-mail]' password = 'qwe123456' port = 443 # 默认vCenter端口 def calculate_memory_metrics(host): summary = host.summary memory_usage = summary.quickStats.overallMemoryUsage memory_capacity = summary.hardware.memorySize # 计算内存使用情况（以GB为单位） memory_usage_gb = int(memory_usage / 1024) memory_capacity_gb = int(memory_capacity / 1024 / 1024 / 1024) memory_free_gb = memory_capacity_gb - memory_usage_gb return memory_usage_gb, memory_capacity_gb, memory_free_gb def get_storage_free_capacity(storage_info, storage_name): for storage in storage_info: if storage[0] == storage_name: return storage[1] - storage[2] return None def process_storage_info(storage_info): print() print("----------存储资源指标----------") # 存储资源总容量 total_capacity = sum(storage[1] for storage in storage_info) # 已用容量 used_capacity = sum(storage[2] for storage in storage_info) # 空闲容量 free_capacity = total_capacity - used_capacity # 利用率 usage_percentage = (used_capacity / total_capacity) * 100 # 主机资源分布 high_usage = [storage for storage in storage_info if storage[3] > 80] medium_usage = [storage for storage in storage_info if 60 <= storage[3] <= 80] low_usage = [storage for storage in storage_info if storage[3] < 60] host_distribution = f"{len(high_usage)}/{len(medium_usage)}/{len(low_usage)}" # 可用容量 available_capacity = sum((storage[1] * 0.8) - storage[2] for storage in storage_info if storage[3] < 80) free_capacity_data_25 = get_storage_free_capacity(storage_info, "Data-25") free_vmware = available_capacity - free_capacity_data_25 # 构建输出字符串 output = f"资源总容量：{total_capacity:.2f}TB\n总利用率：{usage_percentage:.2f}%\n" output += f"总已用容量：{used_capacity:.2f}TB\n总空闲容量：{free_capacity:.2f}TB\n" output += f"健康阈值内总可用容量(<80%)：{available_capacity:.2f}TB\n" output += f"VMware可用容量：{free_vmware:.2f}TB\nNAS可用容量：{free_capacity_data_25:.2f}TB\n" output += f"宿主机存储资源负载分布(台)：{host_distribution}(高/中/低）\n" print(output) def connect_vcenter(): try: # 使用自定义的SSL上下文建立与vCenter服务器的连接 service_instance = connect.SmartConnect(host=vc_host, user=username, pwd=password, port=port, sslContext=context) # 现在可以使用service_instance访问vCenter的内容 print("Connected to vCenter") return service_instance except Exception as e: print("Failed to connect to the vCenter server:", e) return None def get_storage_info(service_instance): storages = [] content = service_instance.RetrieveContent() # 获取所有数据中心 datacenters = content.rootFolder.childEntity for datacenter in datacenters: if isinstance(datacenter, vim.Datacenter): print("Found datacenter:", datacenter.name) # 获取数据中心下的所有存储 datastores = datacenter.datastore for datastore in datastores: if isinstance(datastore, vim.Datastore) and datastore.name.startswith("Data-"): # 获取存储容量信息 summary = datastore.summary storage_name = datastore.name storage_capacity = summary.capacity / 1024 ** 4 storage_used_capacity = (summary.capacity - summary.freeSpace) / 1024 ** 4 storage_usage_percentage = ((summary.capacity - summary.freeSpace) / summary.capacity) * 100 storages.append((storage_name, storage_capacity, storage_used_capacity, storage_usage_percentage)) return storages def disconnect_vcenter(service_instance): # 断开与vCenter服务器的连接 if service_instance: connect.Disconnect(service_instance) def main(): # 连接vCenter服务器 service_instance = connect_vcenter() if service_instance: # 处理存储指标 storages = get_storage_info(service_instance) process_storage_info(storages) # 获取vCenter中所有宿主机 content = service_instance.RetrieveContent() container = content.rootFolder view_type = [vim.HostSystem] recursive = True container_view = content.viewManager.CreateContainerView(container, view_type, recursive) total_memory = 0 used_memory = 0 free_memory = 0 high_usage_hosts = 0 medium_usage_hosts = 0 low_usage_hosts = 0 # 遍历所有宿主机 for host in container_view.view: memory_usage, memory_capacity, memory_free = calculate_memory_metrics(host) # 累计总量、已用和空闲内存 total_memory += memory_capacity used_memory += memory_usage free_memory += memory_free # 根据内存使用率判断宿主机的负载 usage_percentage = (memory_usage / memory_capacity) * 100 if usage_percentage > 80: high_usage_hosts += 1 elif 60 <= usage_percentage <= 80: medium_usage_hosts += 1 else: low_usage_hosts += 1 ## 打印宿主机名称和内存使用情况 # print("宿主机名称:", host.name) # print("已用内存:", memory_usage, "GB") # print("总内存容量:", memory_capacity, "GB") # print("剩余内存:", memory_free, "GB") # print() # 计算健康阈值内的总可用容量 healthy_threshold_capacity = 0 if total_memory > 0: for host in container_view.view: memory_usage, memory_capacity, memory_free = calculate_memory_metrics(host) usage_percentage = (memory_usage / memory_capacity) * 100 if usage_percentage < 80: healthy_threshold_capacity += (memory_capacity * 0.8) - memory_usage else: healthy_threshold_capacity += 0 # 打印内存资源指标 print("----------内存资源指标----------") print("资源总容量：", total_memory, "GB") print("总利用率：{:.2f}%".format((used_memory / total_memory) * 100)) print("总已用容量：", used_memory, "GB") print("总空闲容量：", free_memory, "GB") print("健康阈值内总可用容量(<80%)：", int(healthy_threshold_capacity), "GB") print("宿主机内存资源负载分布(台){}/{}/{}(高/中/低)".format(high_usage_hosts, medium_usage_hosts, low_usage_hosts)) # 断开与vCenter服务器的连接 disconnect_vcenter(service_instance) if __name__ == "__main__": main()