OpenStack中Liberty如何连接vCenter
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OpenStack连接vCenter，通过其的API发送指令，datastore作为glance和cinder的存储后端，nova将其整个集群作为虚拟化后端，一个nova-compute只能连接一个vCenter，但是可以指定多个vCenter下的集群。
本文涉及到的环境
CentOS Linux release 7.2.1511
OpenStack Liberty
vCenter6.0.0
OpenStack连接VC拓扑图
Nova连接VC配置
[default]compute_driver=vmwareapi.VMwareVCDriver[vmware]host_ip=192.168.4.99host_username=administrator@vsphere.localhost_password=!QAZ2wsxcluster_name=clusterdatastore_regex=datastore1 wsdl_location=https://192.168.4.99/sdk/vimService.wsdl insecure=True
Cinder连接VC配置
# Storage backenddefault_volume_type = vmwareenabled_backends = vmware# volume driver configuration[vmware]volume_driver=cinder.volume.drivers.vmware.vmdk.VMwareVcVmdkDrivervmware_host_ip=192.168.4.99vmware_host_username=administrator@vsphere.localvmware_host_password=!QAZ2wsxvmware_wsdl_location=https://192.168.4.99/sdk/vimService.wsdl# vmware_cluster_name = clustervmware_insecure = Truevmware_volume_folder = Volumes
Glance配置
glance-api配置
[glance_store] default_store=vsphere stores=vmware,http vmware_server_host=192.1681.4.99 vmware_server_username=administrator@vsphere.local vmware_server_password=!QAZ2wsx vmware_datastores = datacenter:datastore1 vmware_api_insecure = True vmware_task_poll_interval = 5 vmware_store_image_dir = /openstack_glance [paste_deploy] flavor=keystone config_file=/usr/share/glance/glance-api-dist-paste.ini
glance-registry配置
[paste_deploy] flavor=keystone config_file=/usr/share/glance/glance-registry-dist-paste.ini
[glance_store] default_store = vsphere stores = vmware,http vmware_server_host=192.168.4.99 vmware_server_username=administrator@vsphere.local vmware_server_password=!QAZ2wsx vmware_datacenter_path=datacenter vmware_datastore_name=datastore1
上传镜像到datestore
通过glance上传镜像，用head -n 20 *.vmdk查看那镜像的格式,如果是从qcow2/raw转成vmdk镜像，用如下命令上传镜像到datastore
glance image-create --progress --name centos_vmdk --container-format bare --disk-format vmdk --property vmware_adaptertype=ide --property vmware_disktype=sparse < centos.vmdk
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