前面几篇博客已经介绍了如何去一步一步的搭建云平台,无论是执行脚本还是手动搭建,整个过程也是有些漫长
本篇博客将会介绍如何去做Lbaas负载均衡

Lbaas负载均衡

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下面开始新增成员
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下面新增监控
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下面添加VIP
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关联监控
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绑定浮动ip
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接下来可以使用我们的命令去查看我们的Lbaas有关情况和详情细节

[root@controller bin]# neutron agent-list
+-----------------------+--------------------+------------+-------------------+-------+----------------+-----------------------+
| id                    | agent_type         | host       | availability_zone | alive | admin_state_up | binary                |
+-----------------------+--------------------+------------+-------------------+-------+----------------+-----------------------+
| 4df7bdd9-fb4d-475d-97 | Metadata agent     | controller |                   | :-)   | True           | neutron-metadata-     |
| 87-9bb2b9ebfdd1       |                    |            |                   |       |                | agent                 |
| 6b0947ae-1af0-4f23    | Open vSwitch agent | compute    |                   | :-)   | True           | neutron-openvswitch-  |
| -a80c-4bb393006b7f    |                    |            |                   |       |                | agent                 |
| 6e5272b3-d348-410c-   | Metadata agent     | compute    |                   | :-)   | True           | neutron-metadata-     |
| b6f5-aba798fc6b1a     |                    |            |                   |       |                | agent                 |
| 75aff0be-81af-4d8a-a4 | L3 agent           | controller | nova              | :-)   | True           | neutron-l3-agent      |
| 73-037c6b9d840d       |                    |            |                   |       |                |                       |
| 9784d842-d2b6-46a6-b6 | DHCP agent         | controller | nova              | :-)   | True           | neutron-dhcp-agent    |
| a3-05f036778267       |                    |            |                   |       |                |                       |
| a3e77f5d-390c-4201-bc | Loadbalancer agent | controller |                   | :-)   | True           | neutron-lbaas-agent   |
| 16-f46a47551bcc       |                    |            |                   |       |                |                       |
| e944fb07-06e8-448c-   | Open vSwitch agent | controller |                   | :-)   | True           | neutron-openvswitch-  |
| bd70-be93e7ce1713     |                    |            |                   |       |                | agent                 |
+-----------------------+--------------------+------------+-------------------+-------+----------------+-----------------------+
[root@controller bin]# neutron lb-pool-show resourcepool
Unable to find pool with name or id 'resourcepool'
[root@controller bin]# neutron lb-pool-list
+--------------------------------------+---------------+----------+-------------+----------+----------------+--------+
| id                                   | name          | provider | lb_method   | protocol | admin_state_up | status |
+--------------------------------------+---------------+----------+-------------+----------+----------------+--------+
| a84b45ce-7fcf-4543-b207-2e489fa0722b | resource_pool | haproxy  | ROUND_ROBIN | HTTP     | True           | ACTIVE |
+--------------------------------------+---------------+----------+-------------+----------+----------------+--------+
[root@controller bin]# neutron lb-pool-show resource_pool
+------------------------+--------------------------------------------------------------------------------------------------------+
| Field                  | Value                                                                                                  |
+------------------------+--------------------------------------------------------------------------------------------------------+
| admin_state_up         | True                                                                                                   |
| description            | resource_pool                                                                                          |
| health_monitors        | 1b52b92e-dd44-4c43-98f5-4be55ae0cd01                                                                   |
| health_monitors_status | {"monitor_id": "1b52b92e-dd44-4c43-98f5-4be55ae0cd01", "status": "ACTIVE", "status_description": null} |
| id                     | a84b45ce-7fcf-4543-b207-2e489fa0722b                                                                   |
| lb_method              | ROUND_ROBIN                                                                                            |
| members                | 58044b7b-3bf9-4f19-9c44-2687b3508a3a                                                                   |
| name                   | resource_pool                                                                                          |
| protocol               | HTTP                                                                                                   |
| provider               | haproxy                                                                                                |
| status                 | ACTIVE                                                                                                 |
| status_description     |                                                                                                        |
| subnet_id              | 01655c52-a687-4d29-81df-15b15fa70d88                                                                   |
| tenant_id              | 7551518924a3446dad5827159148db8b                                                                       |
| vip_id                 | 5926749c-6994-45fe-97b3-5649ae0cb247                                                                   |
+------------------------+--------------------------------------------------------------------------------------------------------+
[root@controller bin]# neutron lb-vip-list
+--------------------------------------+------------------+----------+----------+----------------+--------+
| id                                   | name             | address  | protocol | admin_state_up | status |
+--------------------------------------+------------------+----------+----------+----------------+--------+
| 5926749c-6994-45fe-97b3-5649ae0cb247 | resource_poolVip | 10.0.0.4 | HTTP     | True           | ACTIVE |
+--------------------------------------+------------------+----------+----------+----------------+--------+
[root@controller bin]# neutron lb-vip-show resource_poolVip
+---------------------+--------------------------------------+
| Field               | Value                                |
+---------------------+--------------------------------------+
| address             | 10.0.0.4                             |
| admin_state_up      | True                                 |
| connection_limit    | -1                                   |
| description         | resource_poolV                       |
| id                  | 5926749c-6994-45fe-97b3-5649ae0cb247 |
| name                | resource_poolVip                     |
| pool_id             | a84b45ce-7fcf-4543-b207-2e489fa0722b |
| port_id             | fae1af3f-a88a-4969-8291-9b5a86b93362 |
| protocol            | HTTP                                 |
| protocol_port       | 80                                   |
| session_persistence |                                      |
| status              | ACTIVE                               |
| status_description  |                                      |
| subnet_id           | 01655c52-a687-4d29-81df-15b15fa70d88 |
| tenant_id           | 7551518924a3446dad5827159148db8b     |
+---------------------+--------------------------------------+

查看资源池的haproxy配置文件

[root@controller bin]# cat  /var/lib/neutron/lbaas/a84b45ce-7fcf-4543-b207-2e489fa0722b/conf 
global
        daemon
        user nobody
        group haproxy
        log /dev/log local0
        log /dev/log local1 notice
        stats socket /var/lib/neutron/lbaas/a84b45ce-7fcf-4543-b207-2e489fa0722b/sock mode 0666 level user
defaults
        log global
        retries 3
        option redispatch
        timeout connect 5000
        timeout client 50000
        timeout server 50000
frontend 5926749c-6994-45fe-97b3-5649ae0cb247
        option tcplog
        bind 10.0.0.4:80
        mode http
        default_backend a84b45ce-7fcf-4543-b207-2e489fa0722b
        option forwardfor
backend a84b45ce-7fcf-4543-b207-2e489fa0722b
        mode http
        balance roundrobin
        option forwardfor
        timeout check 20s
        option httpchk GET /
        http-check expect rstatus 200
        server 58044b7b-3bf9-4f19-9c44-2687b3508a3a 10.0.0.3:80 weight 5 check inter 30s fall 5[root@controller bin]# 
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