3.7 Nova compute计算节点的部署
•图解Nova cpmpute
•
•
src="http://cdn.oldboyedu.com/wp-content/uploads/2016/02/wpid-631325ba70ea05d245906c576f3ef421_openstack-architecture-49-638.jpg"
alt="" title="">
nova-compute一般运行在计算节点上，通过Message Queue接收并管理VM的生命周期
•nova-compute通过Libvirt管理KVN，通过XenAPI管理Xen等
•配置时间同步
•修改其配置文件
1[root@linux-node1 ~]# vim/etc/chrony.conf
2server 192.168.56.11 iburst（只保留这一个server，也就是控制节点的时间）
chrony开机自启动，并且启动
1[root@linux-node1 ~]#systemctl enablechronyd.service
2[root@linux-node1 ~]#systemctlstartchronyd.service
设置Centos7的时区
1[root@linux-node1 ~]# timedatectlset-timezone
2``` Asia/Shanghai
3查看时区和时间
4```bash
5[root@linux-node ~]# timedatectlstatus
6Local time: Fri 2015-12-18 00:12:26 CST
7Universal time: Thu 2015-12-17 16:12:26 UTC
8RTC time: Sun 2015-12-13 15:32:36
9Timezone: Asia/Shanghai (CST, +0800)
10NTP enabled: yes
11NTP synchronized: no
12RTC in local TZ: no
13DST active: n/a
14[root@linux-node1 ~]# date
15Fri Dec 18 00:12:43 CST 2015
•开始部署计算节点
•更改计算节点上的配置文件，直接使用控制节点的配置文件
1[root@linux-node1 ~]# scp
/etc/nova/nova.conf 192.168.56.12:/etc/nova/ (在控制节点上操作的scp)
更改配置文件后的过滤结果
1[root@linux-node ~]# grep -n '^[a-Z]'/etc/nova/nova.conf
261:rpc_backend=rabbit
3124:my_ip=192.168.56.12改成本机ip
4268:enabled_apis=osapi_compute,metadata
5425:auth_strategy=keystone
61053:network_api_class=nova.network.neutronv2.api.API
71171:linuxnet_interface_driver=nova.network.linux_net.NeutronLinuxBridgeInterfaceDriver
81331:security_group_api=neutron
91370:debug=true
101374:verbose=True
111760:firewall_driver =nova.virt.firewall.NoopFirewallDriver
121820:novncproxy_base_url=http://192.168.56.11:6080/vnc_auto.html指定novncproxy的IP地址和端口
131828:vncserver_listen=0.0.0.0 vnc监听0.0.0.0
141832:vncserver_proxyclient_address=$my_ip
151835:vnc_enabled=true启用vnc
161838:vnc_keymap=en-us英语键盘
172213:connection=mysql://nova:nova@192.168.56.11/nova
182334:host=192.168.56.11
192546:auth_uri =http://192.168.56.11:5000
202547:auth_url =http://192.168.56.11:35357
212548:auth_plugin = password
222549:project_domain_id = default
232550:user_domain_id = default
242551:project_name = service
252552:username = nova
262553:password = nova
272727:virt_type=kvm使用kvm虚拟机，需要cpu支持，可通过grep
"vmx" /proc/cpuinfo查看
283807:lock_path=/var/lib/nova/tmp
293970:rabbit_host=192.168.56.11
303974:rabbit_port=5672
313986:rabbit_userid=openstack
323990:rabbit_password=openstack
启动计算节点的libvirt和nova-compute
1[root@linux-node ~]# systemctl enablelibvirtd openstack-nova-compute
2ln -s'/usr/lib/systemd/system/openstack-nova-compute.service''/etc/systemd/system/multi-user.target.wants/openstack-nova-compute.service'
3[root@linux-node ~]# systemctl startlibvirtd openstack-nova-compute
•在控制节点中查看注册的host,最后一个compute即是注册的host
1[root@linux-node1 ~]# openstack hostlist
2+---------------------------+-------------+----------+
3| Host Name| Service| Zone|
4+---------------------------+-------------+----------+
5| linux-node1.oldboyedu.com |conductor| internal |
6| linux-node1.oldboyedu.com |consoleauth | internal |
7| linux-node1.oldboyedu.com |cert| internal |
8| linux-node1.oldboyedu.com |scheduler| internal |
9| linux-node.oldboyedu.com| compute| nova|
10+---------------------------+-------------+----------+
在控制节点中测试nova和glance连接正常，nova链接keystone是否正常
1[root@linux-node1 ~]# nova image-list
2+--------------------------------------+--------+--------+--------+
3| ID| Name| Status | Server |
4+--------------------------------------+--------+--------+--------+
5| 4b36361f-1946-4026-b0cb-0f7073d48ade| cirros | ACTIVE ||
6+--------------------------------------+--------+--------+--------+
7[root@linux-node1 ~]# nova endpoints
8WARNING: keystone has no endpoint in !Available endpoints for this service:
9+-----------+----------------------------------+
10| keystone| Value|
11+-----------+----------------------------------+
12| id| 1143dcd58b6848a1890c3f2b9bf101d5 |
13| interface | public|
14| region| RegionOne|
15| region_id | RegionOne|
16| url| http://192.168.56.11:5000/v2.0|
17+-----------+----------------------------------+
18+-----------+----------------------------------+
19| keystone| Value|
20+-----------+----------------------------------+
21| id| 28283cbf90b5434ba7a8780fac9308df |
22| interface | admin|
23| region| RegionOne|
24| region_id | RegionOne|
25| url| http://192.168.56.11:35357/v2.0|
26+-----------+----------------------------------+
27+-----------+----------------------------------+
28| keystone| Value|
29+-----------+----------------------------------+
30| id| 496f648007a04e5fbe99b62ed8a76acd |
31| interface | internal|
32| region| RegionOne|
33| region_id | RegionOne|
34| url| http://192.168.56.11:5000/v2.0|
35+-----------+----------------------------------+
36WARNING: nova has no endpoint in !Available endpoints for this service:
37+-----------+---------------------------------------------------------------+
38| nova| Value|
39+-----------+---------------------------------------------------------------+
40| id| 1d67f3630a0f413e9d6ff53bcc657fb6|
41| interface | internal|
42| region| RegionOne|
43| region_id | RegionOne|
44| url|http://192.168.56.11:8774/v2/45ec9f72892c404897d0f7d6668d7a53 |
45+-----------+---------------------------------------------------------------+
46+-----------+---------------------------------------------------------------+
47| nova| Value|
48+-----------+---------------------------------------------------------------+
49| id| 23e9132aeb3a4dcb8689aa1933ad7301|
50| interface | public|
51| region| RegionOne|
52| region_id | RegionOne|
53| url|http://192.168.56.11:8774/v2/45ec9f72892c404897d0f7d6668d7a53 |
54+-----------+---------------------------------------------------------------+
55+-----------+---------------------------------------------------------------+
56| nova| Value|
57+-----------+---------------------------------------------------------------+
58| id| b7f7c210becc4e54b76bb454966582e4|
59| interface | admin|
60| region| RegionOne|
61| region_id | RegionOne|
62| url|http://192.168.56.11:8774/v2/45ec9f72892c404897d0f7d6668d7a53 |
63+-----------+---------------------------------------------------------------+
64WARNING: glance has no endpoint in !Available endpoints for this service:
65+-----------+----------------------------------+
66| glance| Value|
67+-----------+----------------------------------+
68| id| 2b55d6db62eb47e9b8993d23e36111e0 |
69| interface | admin|
70| region| RegionOne|
71| region_id | RegionOne|
72| url| http://192.168.56.11:9292|
73+-----------+----------------------------------+
74+-----------+----------------------------------+
75| glance| Value|
76+-----------+----------------------------------+
77| id| 56cf6132fef14bfaa01c380338f485a6 |
78| interface | public|
79| region| RegionOne|
80| region_id | RegionOne|
81| url| http://192.168.56.11:9292|
82+-----------+----------------------------------+
83+-----------+----------------------------------+
84| glance| Value|
85+-----------+----------------------------------+
86| id| 8005e8fcd85f4ea281eb9591c294e760 |
87| interface | internal|
88| region| RegionOne|
89| region_id | RegionOne|
90| url| http://192.168.56.11:9292|
91+-----------+----------------------------------+
3.8 Neturn服务部署
注册neutron服务
1[root@linux-node1 ~]# sourceadmin-openrc.sh
2[root@linux-node1 ~]# openstack servicecreate --name neutron --description "OpenStack Networking" network
3+-------------+----------------------------------+
4| Field| Value|
5+-------------+----------------------------------+
6| description | OpenStack Networking|
7| enabled| True|
8| id| e698fc8506634b05b250e9fdd8205565 |
9| name| neutron|
10| type| network|
11+-------------+----------------------------------+
12[root@linux-node1 ~]# openstackendpoint create --region RegionOne network public http://192.168.56.11:9696
13+--------------+----------------------------------+
14| Field| Value|
15+--------------+----------------------------------+
16| enabled| True|
17| id| 3cf4a13ec1b94e66a47e27bfccd95318 |
18| interface| public|
19| region| RegionOne|
20| region_id| RegionOne|
21| service_id| e698fc8506634b05b250e9fdd8205565 |
22| service_name | neutron|
23| service_type | network|
24| url| http://192.168.56.11:9696|
25+--------------+----------------------------------+
26[root@linux-node1 ~]# openstackendpoint create --region RegionOne network internal http://192.168.56.11:9696
27+--------------+----------------------------------+
28| Field| Value|
29+--------------+----------------------------------+
30| enabled| True|
31| id| 5cd1e54d14f046dda2f7bf45b418f54c |
32| interface| internal|
33| region| RegionOne|
34| region_id| RegionOne|
35| service_id| e698fc8506634b05b250e9fdd8205565 |
36| service_name | neutron|
37| service_type | network|
38| url| http://192.168.56.11:9696|
39+--------------+----------------------------------+
40[root@linux-node1 ~]# openstackendpoint create --region RegionOne network admin http://192.168.56.11:9696
41+--------------+----------------------------------+
42| Field| Value|
43+--------------+----------------------------------+
44| enabled| True|
45| id| 2c68cb45730d470691e6a3f0656eff03 |
46| interface| admin|
47| region|RegionOne|
48| region_id| RegionOne|
49| service_id| e698fc8506634b05b250e9fdd8205565 |
50| service_name | neutron|
51| service_type | network|
52| url| http://192.168.56.11:9696|
53+--------------+----------------------------------+
54创建neutron用户，并添加大service项目，给予admin权限
55[root@linux-node1 config]# openstackuser create --domain default --password=neutron neutron
56+-----------+----------------------------------+
57| Field| Value|
58+-----------+----------------------------------+
59| domain_id | default|
60| enabled| True|
61| id| 5143854f317541d68efb8bba8b2539fc |
62| name| neutron|
63+-----------+----------------------------------+
64[root@linux-node1 config]# openstackrole add --project service --user neutron admin
修改neturn配置文件
1[root@linux-node1 ~]# grep -n"^[a-Z]" /etc/neutron/neutron.conf
220:state_path = /var/lib/neutron
360:core_plugin = ml2核心插件为ml2
477:service_plugins = router服务插件为router
592:auth_strategy = keystone
6360:notify_nova_on_port_status_changes= True
7端口改变需通知nova
8364:notify_nova_on_port_data_changes =True
9367:nova_url =http://192.168.56.11:8774/v2
10573:rpc_backend=rabbit
11717:auth_uri =http://192.168.56.11:5000
12718:auth_url =http://192.168.56.11:35357
13719:auth_plugin = password
14720:project_domain_id = default
15721:user_domain_id = default
16722:project_name = service
17723:username = neutron
18724:password = neutron
19737:connection =mysql://neutron:neutron@192.168.56.11:3306/neutron
20780:auth_url =http://192.168.56.11:35357
21781:auth_plugin = password
22782:project_domain_id = default
23783:user_domain_id = default
24784:region_name = RegionOne
25785:project_name = service
26786:username = nova
27787:password = nova
28818:lock_path = $state_path/lock
29998:rabbit_host = 192.168.56.11
301002:rabbit_port = 5672
311014:rabbit_userid = openstack
321018:rabbit_password = openstack
修改ml2的配置文件,ml2后续会有详细说明
1[root@linux-node1 ~]# grep"^[a-Z]" /etc/neutron/plugins/ml2/ml2_conf.ini
2type_drivers =
flat,vlan,gre,vxlan,geneve各种驱动
3tenant_network_types =
vlan,gre,vxlan,geneve网络类型
4mechanism_drivers = openvswitch,linuxbridge支持的底层驱动
5extension_drivers = port_security端口安全
6flat_networks = physnet1使用单一扁平网络（和host一个网络）
7enable_ipset = True
修改的linuxbridge配置文件、
1[root@linux-node1 ~]# grep -n"^[a-Z]" /etc/neutron/plugins/ml2/linuxbridge_agent.ini
29:physical_interface_mappings =
physnet1:eth0网卡映射eth
316:enable_vxlan = false关闭vxlan
451:prevent_arp_spoofing = True
557:firewall_driver =neutron.agent.linux.iptables_firewall.IptablesFirewallDriver
661:enable_security_group = True
修改dhcp的配置文件
1[root@linux-node1 ~]# grep -n"^[a-Z]" /etc/neutron/dhcp_agent.ini
227:interface_driver =neutron.agent.linux.interface.BridgeInterfaceDriver
331:dhcp_driver =
neutron.agent.linux.dhcp.Dnsmasq使用Dnsmasq作为dhcp服务
452:enable_isolated_metadata = true
修改metadata_agent.ini配置文件
1[root@linux-node1 config]# grep -n"^[a-Z]" /etc/neutron/metadata_agent.ini
24:auth_uri = http://192.168.56.11:5000
35:auth_url =http://192.168.56.11:35357
46:auth_region = RegionOne
57:auth_plugin = password
68:project_domain_id = default
79:user_domain_id = default
810:project_name = service
911:username = neutron
1012:password = neutron
1129:nova_metadata_ip = 192.168.56.11
1252:metadata_proxy_shared_secret =neutron
在控制节点的nova中添加关于neutron的配置，`添加如下内容到neutron模块即可
13033:url = http://192.168.56.11:9696
23034:auth_url =http://192.168.56.11:35357
33035:auth_plugin = password
43036:project_domain_id = default
53037:user_domain_id = default
63038:region_name = RegionOne
73039:project_name = service
83040:username = neutron
93041:password = neutron
103043:service_metadata_proxy = True
113044:metadata_proxy_shared_secret =neutron
12````
13创建ml2的软连接
14```bash
15[root@linux-node1 config]# ln -s/etc/neutron/plugins/ml2/ml2_conf.ini /etc/neutron/plugin.ini
同步neutron数据库,并检查结果
1[root@linux-node1 config]# su -s/bin/sh -c "neutron-db-manage --config-file /etc/neutron/neutron.conf--config-file /etc/neutron/plugins/ml2/ml2_conf.ini upgrade head" neutron
2MariaDB [(none)]> use neutron;
3Database changed
4MariaDB [neutron]> show tables;
5+-----------------------------------------+
6| Tables_in_neutron|
7+-----------------------------------------+
8| address_scopes|
9| agents|
10| alembic_version|
11| allowedaddresspairs|
12| arista_provisioned_nets|
13| arista_provisioned_tenants|
14| arista_provisioned_vms|
15| brocadenetworks|
16| brocadeports|
17| cisco_csr_identifier_map|
18| cisco_hosting_devices|
19| cisco_ml2_apic_contracts|
20| cisco_ml2_apic_host_links|
21| cisco_ml2_apic_names|
22| cisco_ml2_n1kv_network_bindings|
23| cisco_ml2_n1kv_network_profiles|
24| cisco_ml2_n1kv_policy_profiles|
25| cisco_ml2_n1kv_port_bindings|
26| cisco_ml2_n1kv_profile_bindings|
27| cisco_ml2_n1kv_vlan_allocations|
28|cisco_ml2_n1kv_vxlan_allocations|
29| cisco_ml2_nexus_nve|
30| cisco_ml2_nexusport_bindings|
31| cisco_port_mappings|
32| cisco_router_mappings|
33| consistencyhashes|
34| csnat_l3_agent_bindings|
35| default_security_group|
36| dnsnameservers|
37| dvr_host_macs|
38| embrane_pool_port|
39| externalnetworks|
40| extradhcpopts|
41| firewall_policies|
42| firewall_rules|
43| firewalls|
44| flavors|
45| flavorserviceprofilebindings|
46| floatingips|
47| ha_router_agent_port_bindings|
48| ha_router_networks|
49| ha_router_vrid_allocations|
50| healthmonitors|
51| ikepolicies|
52| ipallocationpools|
53| ipallocations|
54| ipamallocationpools|
55| ipamallocations|
56| ipamavailabilityranges|
57| ipamsubnets|
58| ipavailabilityranges|
59| ipsec_site_connections|
60| ipsecpeercidrs|
61| ipsecpolicies|
62| lsn|
63| lsn_port|
64| maclearningstates|
65| members|
66| meteringlabelrules|
67| meteringlabels|
68| ml2_brocadenetworks|
69| ml2_brocadeports|
70| ml2_dvr_port_bindings|
71| ml2_flat_allocations|
72| ml2_geneve_allocations|
73| ml2_geneve_endpoints|
74| ml2_gre_allocations|
75| ml2_gre_endpoints|
76| ml2_network_segments|
77| ml2_nexus_vxlan_allocations|
78| ml2_nexus_vxlan_mcast_groups|
79| ml2_port_binding_levels|
80| ml2_port_bindings|
81| ml2_ucsm_port_profiles|
82| ml2_vlan_allocations|
83| ml2_vxlan_allocations|
84| ml2_vxlan_endpoints|
85| multi_provider_networks|
86| networkconnections|
87| networkdhcpagentbindings|
88| networkgatewaydevicereferences|
89| networkgatewaydevices|
90| networkgateways|
91| networkqueuemappings|
92| networkrbacs|
93| networks|
94| networksecuritybindings|
95| neutron_nsx_network_mappings|
96| neutron_nsx_port_mappings|
97| neutron_nsx_router_mappings|
98|neutron_nsx_security_group_mappings|
99| nexthops|
100| nsxv_edge_dhcp_static_bindings|
101| nsxv_edge_vnic_bindings|
102| nsxv_firewall_rule_bindings|
103| nsxv_internal_edges|
104| nsxv_internal_networks|
105| nsxv_port_index_mappings|
106| nsxv_port_vnic_mappings|
107| nsxv_router_bindings|
108| nsxv_router_ext_attributes|
109| nsxv_rule_mappings|
110|nsxv_security_group_section_mappings|
111|nsxv_spoofguard_policy_network_mappings |
112| nsxv_tz_network_bindings|
113| nsxv_vdr_dhcp_bindings|
114|nuage_net_partition_router_mapping|
115| nuage_net_partitions|
116| nuage_provider_net_bindings|
117| nuage_subnet_l2dom_mapping|
118| ofcfiltermappings|
119| ofcnetworkmappings|
120| ofcportmappings|
121| ofcroutermappings|
122| ofctenantmappings|
123| packetfilters|
124| poolloadbalanceragentbindings|
125| poolmonitorassociations|
126| pools|
127| poolstatisticss|
128| portbindingports|
129| portinfos|
130| portqueuemappings|
131| ports|
132| portsecuritybindings|
133| providerresourceassociations|
134| qos_bandwidth_limit_rules|
135| qos_network_policy_bindings|
136| qos_policies|
137| qos_port_policy_bindings|
138| qosqueues|
139| quotas|
140| quotausages|
141| reservations|
142| resourcedeltas|
143| router_extra_attributes|
144| routerl3agentbindings|
145| routerports|
146| routerproviders|
147| routerroutes|
148| routerrules|
149| routers|
150| securitygroupportbindings|
151| securitygrouprules|
152| securitygroups|
153| serviceprofiles|
154| sessionpersistences|
155| subnetpoolprefixes|
156| subnetpools|
157| subnetroutes|
158| subnets|
159| tz_network_bindings|
160| vcns_router_bindings|
161| vips|
162| vpnservices|
163+-----------------------------------------+
164155 rows in set (0.00 sec)
重启nova-api，并启动neutron服务
1[root@linux-node1 config]# systemctlrestart openstack-nova-api
2[root@linux-node1 config]# systemctlenable neutron-server.serviceneutron-linuxbridge-agent.service neutron-dhcp-agent.serviceneutron-metadata-agent.service
3[root@linux-node1 config]# systemctlstart neutron-server.serviceneutron-linuxbridge-agent.service neutron-dhcp-agent.serviceneutron-metadata-agent.service
检查neutron-agent结果
1[root@linux-node1 config]# neutronagent-list
2+--------------------------------------+--------------------+---------------------------+-------+----------------+---------------------------+
3| id|agent_type| host| alive | admin_state_up | binary|
4+--------------------------------------+--------------------+---------------------------+-------+----------------+---------------------------+
5| 5a9a522f-e2dc-42dc-ab37-b26da0bfe416| Metadata agent|linux-node1.oldboyedu.com || True| neutron-metadata-agent|
6| 8ba06bd7-896c-47aa-a733-8a9a9822361c| DHCP agent|linux-node1.oldboyedu.com || True| neutron-dhcp-agent|
7| f16eef03-4592-4352-8d5e-c08fb91dc983| Linux bridge agent | linux-node1.oldboyedu.com || True| neutron-linuxbridge-agent |
8+--------------------------------------+--------------------+---------------------------+-------+----------------+---------------------------+
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开始部署neutron的计算节点，在这里直接scp过去，不需要做任何更改
1[root@linux-node1 config]#scp /etc/neutron/neutron.conf192.168.56.12:/etc/neutron/
2[root@linux-node1 config]# scp/etc/neutron/plugins/ml2/linuxbridge_agent.ini192.168.56.12:/etc/neutron/plugins/ml2/
修改计算节点的nova配置，添加如下内容到neutron模块即可
13033:url = http://192.168.56.11:9696
23034:auth_url =http://192.168.56.11:35357
33035:auth_plugin = password
43036:project_domain_id = default
53037:user_domain_id = default
63038:region_name = RegionOne
73039:project_name = service
83040:username = neutron
93041:password = neutron
103043:service_metadata_proxy = True
113044:metadata_proxy_shared_secret =neutron
12````
13复制linuxbridge_agent
14文件，无需更改，并创建ml2软连接
15```bash
16[root@linux-node1 ~]# scp/etc/neutron/plugins/ml2/linuxbridge_agent.ini192.168.56.12:/etc/neutron/plugins/ml2/
17[root@linux-node ~]# ln -s/etc/neutron/plugins/ml2/ml2_conf.ini /etc/neutron/plugin.ini
重启计算节点的nova-computer
1[root@linux-node ml2]# systemctlrestart openstack-nova-compute.service
计算机点上启动linuxbridge_agent服务
1[root@linux-node ml2]# systemctlrestart openstack-nova-compute.service
2[root@linux-node ml2]# systemctlenable neutron-linuxbridge-agent.service
3ln -s'/usr/lib/systemd/system/neutron-linuxbridge-agent.service''/etc/systemd/system/multi-user.target.wants/neutron-linuxbridge-agent.service'
4[root@linux-node ml2]# systemctl startneutron-linuxbridge-agent.service
检查neutron的结果，有四个（控制节点一个，计算节点两个）结果代表正确
1[root@linux-node1 config]# neutronagent-list
2+--------------------------------------+--------------------+---------------------------+-------+----------------+---------------------------+
3| id|agent_type| host| alive | admin_state_up| binary|
4+--------------------------------------+--------------------+---------------------------+-------+----------------+---------------------------+
5| 5a9a522f-e2dc-42dc-ab37-b26da0bfe416| Metadata agent|linux-node1.oldboyedu.com || True| neutron-metadata-agent|
6| 7d81019e-ca3b-4b32-ae32-c3de9452ef9d| Linux bridge agent | linux-node.oldboyedu.com|| True| neutron-linuxbridge-agent |
7| 8ba06bd7-896c-47aa-a733-8a9a9822361c| DHCP agent|linux-node1.oldboyedu.com || True| neutron-dhcp-agent|
8| f16eef03-4592-4352-8d5e-c08fb91dc983| Linux bridge agent | linux-node1.oldboyedu.com || True| neutron-linuxbridge-agent |
9+--------------------------------------+--------------------+---------------------------+-------+----------------+---------------------------+
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class="pun">+--------------------------------------+--------------------+---------------------------+-------+----------------+---------------------------+
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