OpenStack 설치 - CentOS

CentOS 6.x 64 bits 환경에서 OpenStack Grizzly를 설치 합니다.

사전 준비 사항

• CentOS를 최신 버전으로 업그레이드

• CentOS Upgrade

• EPEL repository 등록

//--- http://mirrors.nl.eu.kernel.org/fedora-epel/6/i386/epel-release-6-8.noarch.rpm
// rpm -Uvh http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
yum install http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-5.noarch.rpm

• MySQL 설치

yum  install  mysql  mysql-*
chkconfig --level 2345 mysqld on
service  mysqld  start

• OpenSSL 설치

yum  install  openssl  openssl-*

• Python 설치

• 참고 문헌 : http://toomuchdata.com/2012/06/25/how-to-install-python-2-7-3-on-centos-6-2/

yum  install  python  python-*

• Xen 설치

• http://gh0stsp1der.tistory.com/89
• http://blog.naver.com/PostView.nhn?blogId=wisereign&logNo=30113034605
• http://guni.tistory.com/328

• KVM(Kernel-based Virtual Machine) hypervisor

• Intel-VT 및 AMD-V 등 하드웨어 가상화를 지원하는 CPU를 가진 머신에서만 사용

egrep '^flags.*(vmx|svm)'  /proc/cpuinfo
//--- 내용중에 vmx 항목이 있으면 하드웨어 가상화를 지원하는 CPU임

• 지원 이미지 포맷

• Raw
• QEMN Copy-on-write (qcow2)
• VMWare virtual machine disk format (vmdk)

• KVM 설치

yum  install  qemu-kvm  qemu-img
yum  install  virt-manager  libvirt  libvirt-python  python-virtinst  libvirt-client
service  libirtd  restart
lsmod | grep kvm

centos용 keystone 설치

• keystone 설치

yum  install  openstack-utils  openstack-keystone  python-keystoneclient

• keystone을 위한 MySQL 환경 설정

openstack-db  --init  --service keystone
mysql  -uroot  -p  mysql
    create database keystone;
    grant all privileges on keystone.* to 'keystone'@'%' identified by '~' with grant option;
    flush privileges;
    quit

• keystone 환경 설정

• vi /etc/keystone/keystone.conf

//--- SQLite DB에서 MySQL DB로 변경
connection = mysql://keystone:~@192.168.212.111/keystone

[catalog]
driver = keystone.catalog.backends.sql.Catalog

• admin-token 설정

export  ADMIN_TOKEN=$(openssl  rand  -hex  10)
openstack-config  --set  /etc/keystone/keystone.conf  DEFAULT  admin_token $ADMIN_TOKEN

glance 설치

• glance 설치

yum  install  openstack-nova  openstack-glance

• rm /var/lib/glance/glance.sqlite

• glance를 위한 MySQL 환경 설정

mysql  -uroot  -p  mysql
    create database glance;
    grant all privileges on glance.* to 'glance'@'%' identified by '~' with grant option;
    flush privileges;
    quit

• glance 환경 설정

• vi /etc/glance/glance-api-paste.ini

[filter:authtoken]
admin_tenant_name = service
admin_user = glance
admin_password = ~

• vi /etc/glance/glance-api.conf

[paste_deploy]
flavor = keystone

• service glance-api restart
• vi /etc/glance/glance-registry.conf

[paste_deploy]
flavor = keystone

sql_connection = mysql://glance:~@192.168.1.1/glance

• vi /etc/glance/glance-registry-paste.ini

[filter:authtoken]
admin_tenant_name = service
admin_user = glance
admin_password = ~

[pipeline:glance-registry]
# pipeline = context registryapp
# NOTE: user the following pipeline for keystone
pipeline = authtoken  auth-context  context  registryapp

nova 설치

• vi /etc/nova/nova.conf

compute_driver=libvirt.LibvirtDriver
libvirt_type=kvm

가상 네트워크 설정

모든 Compute Node에서 설정 하여야 합니다.

• FlatDHCP 설정

ip  link  set  eth0  promisc  on

• vi /etc/systemconfig/network-scripts/ifcfg-br100

DEVICE=vr100
TYPE=Bridge
ONBOOT=yes
DELAY=0
BOOTPROTO=static
IPADDR=192.168.100.1
NETMASK=255.255.255.0

• bridge-utils 설치

yum  install  bridge-utils
brctl  addbr  br100

• dnsmasq-utils 설치 (in CentOS 6.3)

yum  install  dnsmasq-utils

• 기타 설정

setenforce  permissive    //--- SELINUX를 사용하는 경우
vi /etc/eqidd.conf
    auth 값을 no로 설정

service  networking  restart

참고 문헌

• OpenStack
• http://www.digimoon.net/blog/422
• http://codingopenstack.blogspot.kr/2015/03/manually-install-openstack-juno-on.html
• http://naleejang.tistory.com/155