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Ubuntu 11.04 Server安裝配置OpenNebula 3.0

運(yùn)維 系統(tǒng)運(yùn)維
OpenNebula于10月3日發(fā)布3.0版本。這兩天終于有時(shí)間測試了一把。測試環(huán)境是全新安裝的Ubuntu 11.04 Server操作系統(tǒng),安裝的時(shí)候同時(shí)安裝OpenSSH Server和LAMP Server。

OpenNebula于10月3日發(fā)布3.0版本。這兩天終于有時(shí)間測試了一把。

[管理節(jié)點(diǎn)]

全新安裝的Ubuntu 11.04 Server操作系統(tǒng),安裝的時(shí)候同時(shí)安裝OpenSSH Server和LAMP Server。管理節(jié)點(diǎn)的內(nèi)網(wǎng)IP為192.168.1.1。

首先創(chuàng)建cloud組和oneadmin用戶:

sudo mkdir -p /srv/cloud/
sudo groupadd -g 10000 cloud
sudo useradd -u 10000 -g cloud -m oneadmin -d /srv/cloud/one -s /bin/bash
sudo passwd oneadmin
sudo chown -R oneadmin:cloud /srv/cloud/
su -l oneadmin
ssh-keygen
cat ~/.ssh/id_rsa.pub > ~/.ssh/authorized_keys
echo “StrictHostKeyChecking no” > ~/.ssh/config
exit

安裝配置NFS服務(wù):

sudo apt-get install nfs-kernel-server
sudo pico /etc/exports

增加一行內(nèi)容:

/srv/cloud  *(rw,fsid=0,nohide,sync,root_squash,no_subtree_check)

啟動NFS服務(wù):

sudo /etc/init.d/nfs-kernel-server start

安裝OpenNebula所依賴的軟件:

sudo apt-get install libsqlite3-dev libxmlrpc-c3-dev g++ ruby libopenssl-ruby libssl-dev ruby-dev
sudo apt-get install libxml2-dev libmysqlclient-dev libmysql++-dev libsqlite3-ruby libexpat1-dev
sudo apt-get install rake rubygems libxml-parser-ruby1.8 libxslt1-dev genisoimage scons
sudo apt-get install mysql-server
sudo gem install nokogiri
sudo gem install rake
sudo gem install  xmlparser

創(chuàng)建MySQL數(shù)據(jù)庫:

mysql -u root -p
CREATE USER ‘oneadmin’@'localhost’ IDENTIFIED BY ‘oneadmin’;
CREATE DATABASE opennebula;
GRANT ALL PRIVILEGES ON opennebula.* TO ‘oneadmin’ IDENTIFIED BY ‘oneadmin’;
quit;

下載并安裝OpenNebula前端軟件:

su -l oneadmin
wget http://dev.opennebula.org/attachments/download/478/opennebula-3.0.0.tar.gz
tar -zxvf opennebula-3.0.0.tar.gz
cd opennebula-3.0.0
scons sqlite=no mysql=yes
./install.sh -u oneadmin -g cloud -d /srv/cloud/one

編輯~/.bash_profile,設(shè)置一些環(huán)境變量

export ONE_LOCATION=/srv/cloud/one
export ONE_AUTH=$ONE_LOCATION/.one/one_auth
export ONE_XMLRPC=http://localhost:2633/RPC2
export PATH=$ONE_LOCATION/bin:/usr/local/bin:/var/lib/gems/1.8/bin/:$PATH

執(zhí)行.bash_profile,使得這些環(huán)境變量生效:

source ~/.bash_profile

編輯~/.one/one_auth,設(shè)置OpenNebula的用戶名和密碼:

mkdir ~/.one
echo “oneadmin:YOUR_PASSWORD” > ~/.one/one_auth
chmod 640 ~/.one/one_auth

編輯~/etc/oned.conf,設(shè)置OpenNebula所使用的數(shù)據(jù)庫參數(shù):

# DB = [ backend = "sqlite" ]

# Sample configuration for MySQL
DB = [ backend = "mysql",
server = "localhost",
port = 0,
user = "oneadmin",
passwd = "oneadmin",
db_name = "opennebula" ]

啟動OpenNebula服務(wù):

one start

[計(jì)算節(jié)點(diǎn)]

全新安裝的Ubuntu 11.04 Server操作系統(tǒng),安裝的時(shí)候同時(shí)安裝OpenSSH Sever和Virtualization。計(jì)算節(jié)點(diǎn)的內(nèi)網(wǎng)IP為192.168.1.2。

首先安裝虛擬化支持:

(重要說明,如果在計(jì)算節(jié)點(diǎn)上沒有安裝ubuntu-vm-builder和ruby這兩個(gè)軟件包,用onehost create命令可以添加該計(jì)算節(jié)點(diǎn),但是其狀態(tài)會顯示為err。)

sudo apt-get install qemu-kvm libvirt-bin bridge-utils ubuntu-vm-builder ruby

安裝NFS客戶端:

sudo apt-get install nfs-common

編輯/etc/fstab,配置NFS客戶端:(假定OpenNebula管理節(jié)點(diǎn)的IP是192.168.166.100)

19.2.166.100:/srv/cloud /srv/cloud nfs defaults 0 0

創(chuàng)建NFS目錄并掛載NFS文件系統(tǒng):

sudo mkdir -p /srv/cloud
sudo mount /srv/cloud

創(chuàng)建cloud組和oneadmin用戶:

sudo groupadd -g 10000 cloud
sudo useradd -u 10000 -g cloud -m oneadmin -s /bin/bash
sudo usermod -d /srv/cloud/one oneadmin
sudo passwd oneadmin
sudo chown oneadmin:cloud /srv/cloud/

編輯/etc/libvirt/libvirtd.conf配置libvirt,將操作權(quán)限授予給cloud組:

unix_sock_group = “cloud”

編輯/etc/libvirt/qemu.conf配置libvirt,設(shè)置VNC:

vnc_listen = “0.0.0.0″

重啟libvirt:

sudo service libvirt-bin restart
sudo chown :cloud /var/run/libvirt/libvirt-sock

編輯/etc/network/interface,根據(jù)實(shí)際的網(wǎng)絡(luò)狀況配置網(wǎng)橋。在這里我們使用eth1連接到一個(gè)私有的內(nèi)網(wǎng),使用192.168.1.*的內(nèi)網(wǎng)IP。

auto eth1
iface eth1 inet manual

auto br1
iface br1 inet static
address 192.168.1.2
netmask 255.255.255.0
network 192.168.1.0
broadcast 192.168.1.255
bridge_ports eth1
bridge_stp off
bridge_fd 0
bridge_maxwait 0

[管理節(jié)點(diǎn)]

添加計(jì)算節(jié)點(diǎn)(假定計(jì)算節(jié)點(diǎn)的IP是192.168.1.2):

onehost create 192.168.1.2 im_kvm vmm_kvm tm_shared

查看計(jì)算節(jié)點(diǎn)是否添加成功:

onehost list

這時(shí)候應(yīng)該可以看到192.168.1.2出現(xiàn)在計(jì)算節(jié)點(diǎn)列表里面。如果計(jì)算節(jié)點(diǎn)配置正確的話,它的狀態(tài)(STAT)應(yīng)該顯示為“on”。如果計(jì)算節(jié)點(diǎn)的狀態(tài)顯示為“err”,說明計(jì)算節(jié)點(diǎn)沒有配置好。這時(shí)候可以做三個(gè)檢查:(1)在管理節(jié)點(diǎn)上是否可以用無密碼模式SSH登錄到計(jì)算節(jié)點(diǎn),(2)計(jì)算節(jié)點(diǎn)是否已經(jīng)安裝好ubuntu-vm-builder和ruby,和(3)在計(jì)算節(jié)點(diǎn)上oneadmin用戶是否有權(quán)限控制KVM。

成功添加計(jì)算節(jié)點(diǎn)之后,我們下載一個(gè)預(yù)先配置好的VM進(jìn)行測試。

mkdir ~/one-templates
cd ~/one-templates
wget http://dev.opennebula.org/attachments/download/170/ttylinux.tar.gz
tar xzf ttylinux.tar.gz

編輯small_network.net,定義一個(gè)網(wǎng)絡(luò):

NAME = “Small Network”
TYPE = FIXED

BRIDGE = br1
LEASES = [ IP="192.168.1.5"] LEASES = [ IP="192.168.1.6"] LEASES = [ IP="192.168.1.7"] LEASES = [ IP="192.168.1.8"] LEASES = [ IP="192.168.1.9"] LEASES = [ IP="192.168.1.10"] LEASES = [ IP="192.168.1.11"] LEASES = [ IP="192.168.1.12"] LEASES = [ IP="192.168.1.13"] LEASES = [ IP="192.168.1.14"] LEASES = [ IP="192.168.1.15"]

將如上所定義的網(wǎng)絡(luò)添加到系統(tǒng):

onevnet create small_network.net

列出系統(tǒng)上所有的網(wǎng)絡(luò)(剛剛創(chuàng)建的Small Network 的ID可能是0):

onevnet list

編輯ttylinux.one,修改虛擬機(jī)參數(shù):

NAME   = ttylinux
CPU    = 0.1
MEMORY = 64

DISK   = [
source   = "/srv/cloud/one/one-templates/ttylinux.img",
target   = "hda",
readonly = "no" ]
NIC    = [ NETWORK_ID = 0]
GRAPHICS = [ TYPE = "VNC"]
FEATURES=[ acpi="no" ]

在系統(tǒng)中創(chuàng)建該虛擬機(jī):

onevm create ttylinux.one

列出系統(tǒng)上所有的虛擬機(jī)(剛剛創(chuàng)建的虛擬機(jī)的ID可能是0):

onevm list

如上命令列出了系統(tǒng)上所有虛擬機(jī)的狀態(tài),包括運(yùn)行這些虛擬機(jī)的計(jì)算節(jié)點(diǎn)。如果需要了解某個(gè)虛擬機(jī)的詳細(xì)狀況,可以使用onevm show VM_ID命令,例如:

onevm show 0

這個(gè)命令會列出ID為0的虛擬機(jī)的所有相關(guān)信息,包括運(yùn)行該虛擬機(jī)的計(jì)算節(jié)點(diǎn),VNC端口號等等。找到這個(gè)端口號(假定為5900),就可以通過VNC客戶端連接到該虛擬機(jī)的控制臺,例如:

vncviewer 192.168.1.2:5900
[SunStone]

SunStone是OpenNebula的管理界面,可以同時(shí)為云管理員和終端用戶提供服務(wù)。要啟用SunStone,需要在管理節(jié)點(diǎn)上執(zhí)行如下操作:

sudo apt-get install rails thin
sudo gem install json sinatra thin
sudo gem install sequel sinatra-sequel
sudo ln -s /usr/bin/rackup1.8 /usr/bin/rackup

啟動SunStone服務(wù):

su -l oneadmin
./bin/sunstone-server start

在var/sunstone.log里面找到SunStone所使用的端口號(我這里看到的是9869),然后通過瀏覽器訪問SunStone(假定管理節(jié)點(diǎn)的IP是192.168.1.1):

http://192.168.1.1:9869/

原文:http://www.qyjohn.net/?p=1581 

責(zé)任編輯:yangsai 來源: 婉兮清揚(yáng)
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