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OpenStackstein安装（六）novaoncompute-创新互联
Install and configure components
- Install the packages:
# yum install openstack-nova-compute Edit the /etc/nova/nova.conf file and complete the following actions:
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○ In the [DEFAULT] section, enable only the compute and metadata APIs: [DEFAULT] # ... enabled_apis = osapi_compute,metadata ○ In the [DEFAULT] section, configure RabbitMQ message queue access: [DEFAULT] # … transport_url=rabbit://openstack:openstack123@dbs.flex.net ○ In the [api] and [keystone_authtoken] sections, configure Identity service access:: [api] # ... auth_strategy = keystone [keystone_authtoken] # ... auth_url = http://stack.flex.net:5000/v3 memcached_servers = dbs.flex.net:11211 auth_type = password project_domain_name = Default user_domain_name = Default project_name = service username = nova password = nova123 注意: 注释或移除在掉在[keystone_authtoken]区域中的其它的选项 ○ In the [DEFAULT] section, configure the my_ip option: [DEFAULT] # ... my_ip = 192.168.205.187 注意：使用管理接口的IP在你的计算节点上. ○ In the [DEFAULT] section, enable support for the Networking service: [DEFAULT] # ... use_neutron = true firewall_driver = nova.virt.firewall.NoopFirewallDriver 注意：缺省的，计算节点使用一内部的防火墙驱动，因为网络服务包含了一个防火墙驱动，你必须禁用防火墙驱动并使用nova.virt.firewall.NoopFirewallDriver firewall driver ○ In the [vnc] section, enable and configure remote console access: [vnc] # ... enabled = true server_listen = 0.0.0.0 server_proxyclient_address = $my_ip novncproxy_base_url = http://stack.flex.net:6080/vnc_auto.html 服务器组件监听所有IP地址，代理组件只监听计算节点的管理接口IP地址。基本URL指示可以使用web浏览器访问此计算节点上实例的远程控制台的位置。 注意：如果要访问远程控制台的web浏览器驻留在无法解析控制器主机名的主机上，则必须使用控制器节点的管理接口IP地址替换控制器。 ○ In the [glance] section, configure the location of the Image service API: [glance] # ... api_servers = http://stack.flex.net:9292 ○ In the [oslo_concurrency] section, configure the lock path: [oslo_concurrency] # ... lock_path = /var/lib/nova/tmp ○ In the [placement] section, configure the Placement API: [placement] # ... region_name = RegionOne project_domain_name = Default project_name = service auth_type = password user_domain_name = Default auth_url = http://stack.flex.net:5000/v3 username = placement password = placement123Finalize installation
Determine whether your compute node supports hardware acceleration for virtual machines:
$ egrep -c '(vmx|svm)' /proc/cpuinfo 如果这个命令返回1或大于1的值，你的计算节点支持硬件加速，通常不需要额外的配置，通常如果你的计算节点使用的是Vmware Workstation虚拟机，你可以充许virtuallze Intel VT-x/EPT or AMD-V/RVI这样打开虚拟化设置 如果这个命令返回一个0值，你的计算节点不支持硬件加速，并且你必须配置libvirt使用QEMU取代KVM, 编辑文件/etc/nova/nova.conf文件如下： [libvirt] # ... virt_type = qemuStart the Compute service including its dependencies and configure them to start automatically when the system boots:
# systemctl enable libvirtd.service openstack-nova-compute.service # systemctl start libvirtd.service openstack-nova-compute.service 注意:如果nova-compute服务无法启动，请检查/var/log/nova/nova- computer .log。controller:5672上的错误消息AMQP服务器不可访问，这可能表明控制器节点上的防火墙正在阻止对端口5672的访问。将防火墙配置为打开控制器节点上的端口5672并在计算节点上重新启动nova-compute服务。Add the compute node to the cell database
Source the admin credentials to enable admin-only CLI commands, then confirm there are compute hosts in the database:
$ . admin-openrc $ openstack compute service list --service nova-compute +----+-------+--------------+------+-------+---------+----------------------------+ | ID | Host | Binary | Zone | State | Status | Updated At | +----+-------+--------------+------+-------+---------+----------------------------+ | 1 | node1 | nova-compute | nova | up | enabled | 2017-04-14T15:30:44.000000 | +----+-------+--------------+------+-------+---------+----------------------------+Discover compute hosts:
# su -s /bin/sh -c "nova-manage cell_v2 discover_hosts --verbose" nova Found 2 cell mappings. Skipping cell0 since it does not contain hosts. Getting compute nodes from cell 'cell1': ad5a5985-a719-4567-98d8-8d148aaae4bc Found 1 computes in cell: ad5a5985-a719-4567-98d8-8d148aaae4bc Checking host mapping for compute host 'compute': fe58ddc1-1d65-4f87-9456-bc040dc106b3 Creating host mapping for compute host 'compute': fe58ddc1-1d65-4f87-9456-bc040dc106b3 注意：当你添加新的计算节点，你必须运行nova-manage cell_v2 discover_hosts在控制器上注册新的计算节点，替代方法为你可以在/etc/nova/nova.conf中设置一个适当的间间隔自动发现计算节点: [scheduler] discover_hosts_in_cells_interval = 300Verify operation
Verify operation of the Compute service.
Note: Perform these commands on the controller node.- Source the admin credentials to gain access to admin-only CLI commands:
$ . admin-openrc List service components to verify successful launch and registration of each process:
$ openstack compute service list +----+--------------------+------------+----------+---------+-------+----------------------------+ | Id | Binary | Host | Zone | Status | State | Updated At | +----+--------------------+------------+----------+---------+-------+----------------------------+ | 1 | nova-scheduler | controller | internal | enabled | up | 2016-02-09T23:11:15.000000 | | 2 | nova-conductor | controller | internal | enabled | up | 2016-02-09T23:11:16.000000 | | 3 | nova-compute | compute1 | nova | enabled | up | 2016-02-09T23:11:20.000000 | +----+--------------------+------------+----------+---------+-------+----------------------------+ Note: This output should indicate two service components enabled on the controller node and one service component enabled on the compute node.- List API endpoints in the Identity service to verify connectivity with the Identity service:
$ openstack catalog list +-----------+-----------+---------------------------------------------+ | Name | Type | Endpoints | +-----------+-----------+---------------------------------------------+ | placement | placement | RegionOne | | | | admin: http://stack.flex.net:8778 | | | | RegionOne | | | | internal: http://stack.flex.net:8778 | | | | RegionOne | | | | public: http://stack.flex.net:8778 | | | | | | glance | image | RegionOne | | | | admin: http://stack.flex.net:9292 | | | | RegionOne | | | | public: http://stack.flex.net:9292 | | | | RegionOne | | | | internal: http://stack.flex.net:9292 | | | | | | nova | compute | RegionOne | | | | public: http://stack.flex.net:8774/v2.1 | | | | RegionOne | | | | internal: http://stack.flex.net:8774/v2.1 | | | | RegionOne | | | | admin: http://stack.flex.net:8774/v2.1 | | | | | | keystone | identity | RegionOne | | | | public: http://stack.flex.net:5000/v3/ | | | | RegionOne | | | | admin: http://stack.flex.net:5000/v3/ | | | | RegionOne | | | | internal: http://stack.flex.net:5000/v3/ | | | | | +-----------+-----------+---------------------------------------------+ List images in the Image service to verify connectivity with the Image service:
$ openstack image list +--------------------------------------+-------------+-------------+ | ID | Name | Status | +--------------------------------------+-------------+-------------+ | 9a76d9f9-9620-4f2e-8c69-6c5691fae163 | cirros | active | +--------------------------------------+-------------+-------------+Check the cells and placement API are working successfully and that other necessary prerequisites are in place:
# nova-status upgrade check +--------------------------------------------------------------------+ | Upgrade Check Results | +--------------------------------------------------------------------+ | Check: Cells v2 | | Result: Success | | Details: None | +--------------------------------------------------------------------+ | Check: Placement API | | Result: Success | | Details: None | +--------------------------------------------------------------------+ | Check: Ironic Flavor Migration | | Result: Success | | Details: None | +--------------------------------------------------------------------+ | Check: Request Spec Migration | | Result: Success | | Details: None | +--------------------------------------------------------------------+ | Check: Console Auths | | Result: Success | | Details: None | +--------------------------------------------------------------------+
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