openstack 管理三十三 - rpm 方式部署 openstack [compute]

xiaoxiao2026-05-07 13

作用

compute 用户启动 instance compute 可以连接 ceph 作为 instance 外部存储

软件安装

# yum install -y openstack-neutron.noarch openstack-neutron-ml2.noarch openstack-neutron-openvswitch.noarch openstack-nova-api openstack-nova-compute openstack-nova-conductor openstack-nova-scheduler python-cinderclient openstack-utils openstack-nova-novncproxy

配置 neutron-metadata-agent, neutron-openvswitch-agent

定义 neutron 连接 keystone 认证

# openstack-config --set /etc/neutron/neutron.conf DEFAULT auth_strategy keystone # openstack-config --set /etc/neutron/neutron.conf keystone_authtoken auth_host 240.10.130.25 # openstack-config --set /etc/neutron/neutron.conf keystone_authtoken admin_tenant_name service # openstack-config --set /etc/neutron/neutron.conf keystone_authtoken admin_user neutron # openstack-config --set /etc/neutron/neutron.conf keystone_authtoken admin_password neutron

定义 neutron 连接 rabbitmq

# openstack-config --set /etc/neutron/neutron.conf DEFAULT rpc_backend neutron.openstack.common.rpc.impl_kombu # openstack-config --set /etc/neutron/neutron.conf DEFAULT rabbit_host 240.10.130.25 # openstack-config --set /etc/neutron/neutron.conf DEFAULT rabbit_port 5672 # openstack-config --set /etc/neutron/neutron.conf DEFAULT rabbit_userid neutron # openstack-config --set /etc/neutron/neutron.conf DEFAULT rabbit_password openstack

定义 neutron 使用 ml2 的网络 plugin

# ln -s /etc/neutron/plugins/ml2/ml2_conf.ini /etc/neutron/plugin.ini # openstack-config --set /etc/neutron/neutron.conf DEFAULT core_plugin neutron.plugins.ml2.plugin.Ml2Plugin # openstack-config --set /etc/neutron/neutron.conf DEFAULT service_plugins neutron.services.l3_router.l3_router_plugin.L3RouterPlugin # openstack-config --set /etc/neutron/plugin.ini ml2 type_drivers vxlan,flat # openstack-config --set /etc/neutron/plugin.ini ml2 tenant_network_types vxlan,flat # openstack-config --set /etc/neutron/plugin.ini ml2 mechanism_drivers openvswitch # openstack-config --set /etc/neutron/plugin.ini agent l2_population True

配置 ovs plugin

# openstack-config --set /etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini ovs bridge_mappings physnet1:br-ex # openstack-config --set /etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini ovs network_vlan_ranges physnet1 # openstack-config --set /etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini ovs tunnel_type vxlan # openstack-config --set /etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini ovs local_ip 10.199.130.31 # openstack-config --set /etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini ovs enable_tunneling True # openstack-config --set /etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini ovs integration_bridge br-int # openstack-config --set /etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini ovs tunnel_bridge br-tun # openstack-config --set /etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini agent tunnel_types vxlan # openstack-config --set /etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini securitygroup firewall_driver neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver

桥接网络配置

/etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE=eth0 ONBOOT=yes HWADDR=48:46:FB:04:97:5C TYPE=OVSPort DEVICETYPE=ovs OVS_BRIDGE=br-ex

/etc/sysconfig/network-scripts/ifcfg-br-ex

DEVICE=br-ex DEVICETYPE=ovs TYPE=OVSBridge BOOTPROTO=static IPADDR=10.199.130.31 NETMASK=255.255.252.0 GATEWAY=10.199.128.1 ONBOOT=yes

重启网络生效

service network restart

配置 compute

配置 keystone 验证

# openstack-config --set /etc/nova/nova.conf DEFAULT auth_strategy keystone # openstack-config --set /etc/nova/api-paste.ini filter:authtoken auth_host 240.10.130.25 # openstack-config --set /etc/nova/api-paste.ini filter:authtoken admin_tenant_name service # openstack-config --set /etc/nova/api-paste.ini filter:authtoken admin_user nova # openstack-config --set /etc/nova/api-paste.ini filter:authtoken admin_password nova

连接 rabbitmq, 用于处理消息队列

# openstack-config --set /etc/nova/nova.conf DEFAULT rpc_backend rabbit # openstack-config --set /etc/nova/nova.conf DEFAULT rabbit_host 240.10.130.25 # openstack-config --set /etc/nova/nova.conf DEFAULT rabbit_port 5672 # openstack-config --set /etc/nova/nova.conf DEFAULT rabbit_userid nova # openstack-config --set /etc/nova/nova.conf DEFAULT rabbit_password openstack

连接 glance, 用于获取镜像信息

# openstack-config --set /etc/nova/nova.conf DEFAULT glance_host 10.199.130.25 # openstack-config --set /etc/nova/nova.conf DEFAULT glance_port 9292 # openstack-config --set /etc/nova/nova.conf DEFAULT glance_protocol http # openstack-config --set /etc/nova/nova.conf DEFAULT glance_api_servers 10.199.130.25:9292 # openstack-config --set /etc/nova/nova.conf DEFAULT image_service nova.image.glance.GlanceImageService

连接 neutron 获得网络信息

# openstack-config --set /etc/nova/nova.conf DEFAULT network_api_class nova.network.neutronv2.api.API # openstack-config --set /etc/nova/nova.conf DEFAULT neutron_url http://240.10.130.29:9696/ # openstack-config --set /etc/nova/nova.conf DEFAULT neutron_admin_tenant_name service # openstack-config --set /etc/nova/nova.conf DEFAULT neutron_admin_username neutron # openstack-config --set /etc/nova/nova.conf DEFAULT neutron_admin_password neutron # openstack-config --set /etc/nova/nova.conf DEFAULT neutron_admin_auth_url http://240.10.130.25:35357/v2.0 # openstack-config --set /etc/nova/nova.conf DEFAULT security_group_api neutron # openstack-config --set /etc/nova/nova.conf DEFAULT firewall_drivernova.virt.firewall.NoopFirewallDriver

获得 libvirt 虚拟化支持

# openstack-config --set /etc/nova/nova.conf DEFAULT compute_driver nova.virt.libvirt.LibvirtDriver # openstack-config --set /etc/nova/nova.conf DEFAULT libvirt_inject_partition \-1 # openstack-config --set /etc/nova/nova.conf libvirt virt_type kvm # openstack-config --set /etc/nova/nova.conf libvirt inject_password True # openstack-config --set /etc/nova/nova.conf libvirt live_migration_uri qemu+ssh://nova@%s/system?keyfile=/etc/nova/ssh/nova_migration_key # openstack-config --set /etc/nova/nova.conf libvirt vif_driver nova.virt.libvirt.vif.LibvirtGenericVIFDriver # openstack-config --set /etc/nova/nova.conf libvirt cpu_mode host-model

设定云主机超配信息

openstack-config --set /etc/nova/nova.conf DEFAULT cpu_allocation_ratio=16.0 openstack-config --set /etc/nova/nova.conf DEFAULT ram_allocation_ratio=1.5 openstack-config --set /etc/nova/nova.conf DEFAULT reserved_host_memory_mb=8096 openstack-config --set /etc/nova/nova.conf DEFAULT reserved_host_disk_mb=80

配置连接 nova 的数据库

openstack-config --set /etc/nova/nova.conf DEFAULT sql_connection mysql://nova:openstack@240.10.130.25/nova

配置 vnc 连接

# openstack-config --set /etc/nova/nova.conf DEFAULT novncproxy_base_url http://10.199.130.30:6080/vnc_auto.html # openstack-config --set /etc/nova/nova.conf DEFAULT vncserver_listen 0.0.0.0 # openstack-config --set /etc/nova/nova.conf DEFAULT vncserver_proxyclient_address 240.10.130.30 # openstack-config --set /etc/nova/nova.conf DEFAULT vnc_enabled True

compute 节点服务启动

service messagebus restart service libvirtd restart service openstack-nova-compute restart service neutron-openvswitch-agent restart

验证

检测服务

创建云主机

nova boot --flavor m1.small --image centos5.8 --security_group terry_test_rule --nic net-id=b26b81fc-bda9-4882-950c-614e9546bcd1 terry_test +--------------------------------------+--------------------------------------------------+ | Property | Value | +--------------------------------------+--------------------------------------------------+ | OS-DCF:diskConfig | MANUAL | | OS-EXT-AZ:availability_zone | nova | | OS-EXT-SRV-ATTR:host | - | | OS-EXT-SRV-ATTR:hypervisor_hostname | - | | OS-EXT-SRV-ATTR:instance_name | instance-00000008 | | OS-EXT-STS:power_state | 0 | | OS-EXT-STS:task_state | scheduling | | OS-EXT-STS:vm_state | building | | OS-SRV-USG:launched_at | - | | OS-SRV-USG:terminated_at | - | | accessIPv4 | | | accessIPv6 | | | adminPass | u7CNVSq5ceyv | | config_drive | | | created | 2014-10-13T08:00:48Z | | flavor | m1.small (2) | | hostId | | | id | 1281d02c-a79e-4241-a596-3c1a10b3e7e9 | | image | centos5.8 (438d5c5a-f595-45e5-8236-801b9da8f9ab) | | key_name | - | | metadata | {} | | name | terry_test | | os-extended-volumes:volumes_attached | [] | | progress | 0 | | security_groups | terry_test_rule | | status | BUILD | | tenant_id | 59728cade8b14853a8d3cee8c2567881 | | updated | 2014-10-13T08:00:48Z | | user_id | 43f38bc5c1314670b0cf1d925736ff3a | +--------------------------------------+--------------------------------------------------+

检验

日志验证

[root@hh-yun-compute-130025 ~(keystone_admin)]# nova console-log terry_test Starting cloud-init-local: Starting cloud-init: Cloud-init v. 0.7.4 running 'init-local' at Mon, 13 Oct 2014 08:01:44 +0000. Up 31.90 seconds. [ OK ] Starting cloud-init: Starting cloud-init: Cloud-init v. 0.7.4 running 'init' at Mon, 13 Oct 2014 08:01:44 +0000. Up 32.23 seconds. ci-info: ++++++++++++++++++++++++++++Net device info++++++++++++++++++++++++++++ ci-info: +--------+-------+----------------+---------------+-------------------+ ci-info: | Device | Up | Address | Mask | Hw-Address | ci-info: +--------+-------+----------------+---------------+-------------------+ ci-info: | sit0 | False | . | . | . | ci-info: | lo | True | 127.0.0.1 | 255.0.0.0 | . | ci-info: | eth0 | True | 10.199.131.209 | 255.255.252.0 | fa:16:3e:b6:10:59 | ci-info: +--------+-------+----------------+---------------+-------------------+ ci-info: ++++++++++++++++++++++++++++++++Route info+++++++++++++++++++++++++++++++++ ci-info: +-------+--------------+--------------+---------------+-----------+-------+ ci-info: | Route | Destination | Gateway | Genmask | Interface | Flags | ci-info: +-------+--------------+--------------+---------------+-----------+-------+ ci-info: | 0 | 10.199.128.0 | 0.0.0.0 | 255.255.252.0 | eth0 | U | ci-info: | 1 | 169.254.0.0 | 0.0.0.0 | 255.255.0.0 | eth0 | U | ci-info: | 2 | 0.0.0.0 | 10.199.128.1 | 0.0.0.0 | eth0 | UG | ci-info: +-------+--------------+--------------+---------------+-----------+-------+ Successfully create eth0 nic configuration file # Virtio Network Device DEVICE=eth0 BOOTPROTO=none ONBOOT=yes NETMASK=255.255.252.0 IPADDR=10.199.131.209 HWADDR=fa:16:3e:b6:10:59 BROADCAST=10.199.131.255 TYPE=Ethernet MTU=1450 ***************** Shutting down interface eth0: [ OK ] Shutting down loopback interface: [ OK ] Bringing up loopback interface: [ OK ] Bringing up interface eth0: [ OK ] ***************** DNS resolv.conf: ; generated by /usr/sbin/change_dhcp2fixedip.sh nameserver 10.199.129.21 ***************** Network configuration file is done. [ OK ] Starting cloud-config: Starting cloud-init: Cloud-init v. 0.7.4 running 'modules:config' at Mon, 13 Oct 2014 08:01:59 +0000. Up 46.85 seconds. [ OK ] Starting cloud-final: Starting cloud-init: Cloud-init v. 0.7.4 running 'modules:final' at Mon, 13 Oct 2014 08:02:00 +0000. Up 47.60 seconds. ci-info: no authorized ssh keys fingerprints found for user apps. ci-info: no authorized ssh keys fingerprints found for user apps. ec2: ec2: ############################################################# ec2: -----BEGIN SSH HOST KEY FINGERPRINTS----- ec2: 1024 fe:e8:c5:5c:73:77:15:24:1f:12:ec:14:47:e2:6b:96 /etc/ssh/ssh_host_dsa_key.pub ec2: 2048 41:70:b7:40:86:79:69:ed:82:6e:08:9e:26:32:25:65 /etc/ssh/ssh_host_key.pub ec2: 2048 94:05:cb:3e:d1:a6:4b:5c:92:2c:4a:c5:33:e3:2b:c5 /etc/ssh/ssh_host_rsa_key.pub ec2: -----END SSH HOST KEY FINGERPRINTS----- ec2: ############################################################# -----BEGIN SSH HOST KEY KEYS----- 2048 35 24719050152202493952997764556808574180021483630571545678073814674834202864549990758294160432886566801351575961690720917902026807869558309589491740363104364672910884140833931316256583453042582305449902291903306361761690698760484435248642299693277384199758799190120646312710570653607607334393232605584218823199035894711152805635283940392739554801142234598490992296063909154465800405846799268020700973109825520692081165606126385351983258006278326660672731432219855911319945415678243385593968583270276881889985961899591589675998971591411582249557089252116513013337851462069105055419123305526546752802961464039386703608659 ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAwhlU3hJmVhTK9etyhVCmy/BeoqL8BIh3vPsXNLVQ8s/iw1hrJSFQE7C6GUECveIkZQv+DsbqNmmiSrpAmJnyMrc0+iNXt9kqaRUniiySXu7mE7fEajFTH1TTVEKy1733KSg4VXpWFgkqkyMjopJqR9i9A+n8RpW96mYodEeVsG991BQo0p9+cccKNObUbUllnl9EPWKUkaGqu5WvvmuGjOZEQrwnn4l7RXumkUQ5dtb7vqgIpZtlY30tz3JNHjjoF3BpqpcWX24+vJpji4lQ1Dgx6WNXseR5/gv6lICr8LoYJFSiBGZJACp60P2YLFiUe//Ln39Tvr+VA9GAhTDk9Q== -----END SSH HOST KEY KEYS----- Cloud-init v. 0.7.4 finished at Mon, 13 Oct 2014 08:02:00 +0000. Datasource DataSourceEc2. Up 47.75 seconds [ OK ] CentOS release 5.8 (Final) Kernel 2.6.18-308.el5 on an x86_64 terry-test login:

网络连接测试

[root@hh-yun-compute-130025 ~(keystone_admin)]# ping -c 1 10.199.131.209 PING 10.199.131.209 (10.199.131.209) 56(84) bytes of data. 64 bytes from 10.199.131.209: icmp_seq=1 ttl=64 time=0.232 ms --- 10.199.131.209 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.232/0.232/0.232/0.000 ms [root@hh-yun-compute-130025 ~(keystone_admin)]# ssh 10.199.131.209 The authenticity of host '10.199.131.209 (10.199.131.209)' can't be established. RSA key fingerprint is 94:05:cb:3e:d1:a6:4b:5c:92:2c:4a:c5:33:e3:2b:c5. Are you sure you want to continue connecting (yes/no)?

nova compute 连接 ceph 方法

参考 openstack 管理二十三 - nova compute 连接 ceph 集群

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