openstack 入门 准备篇一：整体介绍centos M版本

Posted 2020-09-18

  本次搭建才用双节点  由于本人是大三学生  电脑配置不够所以就才用双节点  我把网络节点部署在controller上

 本次测试环境在vm下测试的 首先需要开启虚拟化

本次环境是centos7 

内部网络  controller  ：192.168.100.10 eth0    

     compute1：192.168.200.10   eth1

外部网络  controller：192.168.100.20   eth0

                compute1：192.168.200.10   eth1

管理网络(内部网络)，用于OpenStack组件以及mysql DB Server, RabbitMQ
messaging server之间的通信

外部网络：用于本机和实例通信

硬件基本配置：

控制节点: 1 processor, 2 GB memory, and 5 GB storage

计算节点: 1 processor, 2 GB memory, and 10 GB storage

hosts配置：
#控制节点：
192.168.100.10       controller

# 计算节点
192.168.100.20     compute1

网络节点

外网网卡配置：

编辑/etc/sysconfig/network-scripts/ifcfg-INTERFACE_NAME文件，完成下面内容
不要改变HWADDR 和 UUID keys.

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[[email protected] ~]# cat /etc/sysconfig/network-scripts/ifcfg-eno16777736  TYPE=Ethernet BOOTPROTO=static IPADDR=192.168.100.10 NETMASK=255.255.255.0 GATEWAY=192.168.100.2 NAME=eno16777736 DEVICE=eno16777736 ONBOOT=yes

[[email protected] ~]# cat /etc/sysconfig/network-scripts/ifcfg-eno16777736 

TYPE=Ethernet

BOOTPROTO=static

IPADDR=192.168.100.20

NETMASK=255.255.255.0

GATEWAY=192.168.100.2

NAME=eno16777736

DEVICE=eno16777736

ONBOOT=yes

检测网络互通性

1.从控制节点 ping外网
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ping -c compute PING openstack.org (192.168.100.20) 56(84) bytes of data. 64 bytes from 192.168.100.20: icmp_seq=1 ttl=54 time=18.3 ms 64 bytes from 192.168.100.20: icmp_seq=2 ttl=54 time=17.5 ms 64 bytes from 192.168.100.20: icmp_seq=3 ttl=54 time=17.5 ms 64 bytes from 192.168.100.20: icmp_seq=4 ttl=54 time=17.4 ms   --- openstack.org ping statistics --- 4 packets transmitted, 4 received, 0% packet loss, time 3022ms rtt min/avg/max/mdev = 17.489/17.715/18.346/0.364 ms

2.从控制节点，ping计算节点管理网络

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ping -c 4 compute1 PING compute1 (192.168.100.10) 56(84) bytes of data. 64 bytes from compute1 (192.168.100.10): icmp_seq=1 ttl=64 time=0.263 ms 64 bytes from compute1 (192.168.100.10): icmp_seq=2 ttl=64 time=0.202 ms 64 bytes from compute1 (192.168.100.10): icmp_seq=3 ttl=64 time=0.203 ms 64 bytes from compute1 (192.168.100.10): icmp_seq=4 ttl=64 time=0.202 ms   --- compute1 ping statistics --- 4 packets transmitted, 4 received, 0% packet loss, time 3000ms rtt min/avg/max/mdev = 0.202/0.217/0.263/0.030 ms

3.从计算节点，ping外网

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ping -c 4 compute1 PING openstack.org (192.168.100.20) 56(84) bytes of data. 64 bytes from 192.168.100.20: icmp_seq=1 ttl=54 time=18.3 ms 64 bytes from 192.168.100.20: icmp_seq=2 ttl=54 time=17.5 ms 64 bytes from 192.168.100.20: icmp_seq=3 ttl=54 time=17.5 ms 64 bytes from 192.168.100.20: icmp_seq=4 ttl=54 time=17.4 ms   --- openstack.org ping statistics --- 4 packets transmitted, 4 received, 0% packet loss, time 3022ms rtt min/avg/max/mdev = 17.489/17.715/18.346/0.364 ms

4.从计算节点，ping控制节点管理网络

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ping -c 4 controller PING controller (192.168.100.10) 56(84) bytes of data. 64 bytes from controller (192.168.100.10): icmp_seq=1 ttl=64 time=0.263 ms 64 bytes from controller (192.168.100.10): icmp_seq=2 ttl=64 time=0.202 ms 64 bytes from controller (192.168.100.10): icmp_seq=3 ttl=64 time=0.203 ms 64 bytes from controller (192.168.100.10): icmp_seq=4 ttl=64 time=0.202 ms   --- controller ping statistics --- 4 packets transmitted, 4 received, 0% packet loss, time 3000ms rtt min/avg/max/mdev = 0.202/0.217/0.263/0.030 ms

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