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在研究桌面云的过程中，发现对于真正落地来说，服务端（私有云或者虚拟化）没有太多的区别，更多的是瘦客户端的使用和对桌面的管理方面有诸多需要考虑的地方，最终落地可能都是需要定制化开发才能很好的满足需求。
在开源虚拟化产品中，限于自己的经验和眼界，Ovirt原来一直没有接触，在和朋友的沟通过程中，发现Ovirt对于桌面云解决方案更接地气，更具有项目落地的优势。
这里记录一下第一次安装oVirt测试环境熟悉过程。
Ovirt官网安装参考：
https://ovirt.org/documentation/install-guide/Installation_Guide.html
安装前准备：
下载CentOs7.8和Ovirt-node 安装镜像：
CentOS-7-x86_64-DVD-1908
oVirt-engine官网安装文档：
https://ovirt.org/documentation/install-guide/chap-Installing_oVirt.html
在自己的PVE测试环境中创建1个虚拟机安装centos7.8 安装ovirt引擎 。
编辑 /etc/hosts文件：
192.168.170.110 ovirt-manager.yuweibing.com ovirt-engine
配置IP地址（略）
修改主机名（略）
根据上面oVirt-engine官网安装文档逐步进行安装，其中，执行下面命令：
# yum install ovirt-engine
的时候花了很长时间，主要是下载包的时间花了较多的时间，网络速度很慢，大概10k-20k左右甚至更低，400M的包花了几个小时下载完。
之后，需要配置ovirt-engine
对postgresql数据库不熟悉，随便参考网上新手教程：
http://www.ruanyifeng.com/blog/2013/12/getting_started_with_postgresql.html
更详尽的教程：
https://www.runoob.com/postgresql/postgresql-tutorial.html
进行配置初始化：
[root@ovirt-engine ~]# engine-setup [ INFO ] Stage: Initializing [ INFO ] Stage: Environment setup Configuration files: ['/etc/ovirt-engine-setup.conf.d/10-packaging-jboss.conf', '/etc/ovirt-engine-setup.conf.d/10-packaging.conf'] Log file: /var/log/ovirt-engine/setup/ovirt-engine-setup-20191110071238-dhorop.log Version: otopi-1.8.3 (otopi-1.8.3-1.el7) [ INFO ] Stage: Environment packages setup [ INFO ] Stage: Programs detection [ INFO ] Stage: Environment setup (late) [ INFO ] Stage: Environment customization --== PRODUCT OPTIONS ==-- Set up Cinderlib integration (Currently in tech preview) (Yes, No) [No]: Configure Engine on this host (Yes, No) [Yes]: Configure ovirt-provider-ovn (Yes, No) [Yes]: Configure WebSocket Proxy on this host (Yes, No) [Yes]: * Please note * : Data Warehouse is required for the engine. If you choose to not configure it on this host, you have to configure it on a remote host, and then configure the engine on this host so that it can access the database of the remote Data Warehouse host. Configure Data Warehouse on this host (Yes, No) [Yes]: Configure Image I/O Proxy on this host (Yes, No) [Yes]: Configure VM Console Proxy on this host (Yes, No) [Yes]: --== PACKAGES ==-- [ INFO ] Checking for product updates... [ INFO ] No product updates found --== NETWORK CONFIGURATION ==-- Host fully qualified DNS name of this server [ovirt-engine]: [WARNING] Host name ovirt-engine has no domain suffix [WARNING] Failed to resolve ovirt-engine using DNS, it can be resolved only locally Setup can automatically configure the firewall on this system. Note: automatic configuration of the firewall may overwrite current settings. NOTICE: iptables is deprecated and will be removed in future releases Do you want Setup to configure the firewall? (Yes, No) [Yes]: [ INFO ] firewalld will be configured as firewall manager. [WARNING] Host name ovirt-engine has no domain suffix [WARNING] Host name ovirt-engine has no domain suffix [WARNING] Host name ovirt-engine has no domain suffix --== DATABASE CONFIGURATION ==-- Where is the DWH database located? (Local, Remote) [Local]: Setup can configure the local postgresql server automatically for the DWH to run. This may conflict with existing applications. Would you like Setup to automatically configure postgresql and create DWH database, or prefer to perform that manually? (Automatic, Manual) [Automatic]: Where is the Engine database located? (Local, Remote) [Local]: Setup can configure the local postgresql server automatically for the engine to run. This may conflict with existing applications. Would you like Setup to automatically configure postgresql and create Engine database, or prefer to perform that manually? (Automatic, Manual) [Automatic]: --== OVIRT ENGINE CONFIGURATION ==-- Engine admin password: Confirm engine admin password: [WARNING] Password is weak: The password is shorter than 8 characters Use weak password? (Yes, No) [No]: yes Application mode (Virt, Gluster, Both) [Both]: Use default credentials (admin@internal) for ovirt-provider-ovn (Yes, No) [Yes]: --== STORAGE CONFIGURATION ==-- Default SAN wipe after delete (Yes, No) [No]: --== PKI CONFIGURATION ==-- Organization name for certificate [Test]: --== APACHE CONFIGURATION ==-- Setup can configure the default page of the web server to present the application home page. This may conflict with existing applications. Do you wish to set the application as the default page of the web server? (Yes, No) [Yes]: Setup can configure apache to use SSL using a certificate issued from the internal CA. Do you wish Setup to configure that, or prefer to perform that manually? (Automatic, Manual) [Automatic]: --== SYSTEM CONFIGURATION ==-- --== MISC CONFIGURATION ==-- Please choose Data Warehouse sampling scale: (1) Basic (2) Full (1, 2)[1]: --== END OF CONFIGURATION ==-- [ INFO ] Stage: Setup validation [WARNING] Less than 16384MB of memory is available --== CONFIGURATION PREVIEW ==-- Application mode : both Default SAN wipe after delete : False Firewall manager : firewalld Update Firewall : True Host FQDN : ovirt-engine Set up Cinderlib integration : False Configure local Engine database : True Set application as default page : True Configure Apache SSL : True Engine database secured connection : False Engine database user name : engine Engine database name : engine Engine database host : localhost Engine database port : 5432 Engine database host name validation : False Engine installation : True PKI organization : Test Set up ovirt-provider-ovn : True Configure WebSocket Proxy : True DWH installation : True DWH database host : localhost DWH database port : 5432 Configure local DWH database : True Configure Image I/O Proxy : True Configure VMConsole Proxy : True Please confirm installation settings (OK, Cancel) [OK]: [ INFO ] Stage: Transaction setup [ INFO ] Stopping engine service [ INFO ] Stopping ovirt-fence-kdump-listener service [ INFO ] Stopping dwh service [ INFO ] Stopping Image I/O Proxy service [ INFO ] Stopping vmconsole-proxy service [ INFO ] Stopping websocket-proxy service [ INFO ] Stage: Misc configuration (early) [ INFO ] Stage: Package installation [ INFO ] Stage: Misc configuration [ INFO ] Upgrading CA [ INFO ] Creating PostgreSQL 'engine' database [ INFO ] Configuring PostgreSQL [ INFO ] Creating PostgreSQL 'ovirt_engine_history' database [ INFO ] Configuring PostgreSQL [ INFO ] Creating CA [ INFO ] Creating/refreshing DWH database schema [ INFO ] Configuring Image I/O Proxy [ INFO ] Setting up ovirt-vmconsole proxy helper PKI artifacts [ INFO ] Setting up ovirt-vmconsole SSH PKI artifacts [ INFO ] Configuring WebSocket Proxy [ INFO ] Creating/refreshing Engine database schema [ INFO ] Creating/refreshing Engine 'internal' domain database schema [ INFO ] Creating default mac pool range [ INFO ] Adding default OVN provider to database [ INFO ] Adding OVN provider secret to database [ INFO ] Setting a password for internal user admin [ INFO ] Generating post install configuration file '/etc/ovirt-engine-setup.conf.d/20-setup-ovirt-post.conf' [ INFO ] Stage: Transaction commit [ INFO ] Stage: Closing up [ INFO ] Starting engine service [ INFO ] Starting dwh service [ INFO ] Restarting ovirt-vmconsole proxy service --== SUMMARY ==-- [ INFO ] Restarting httpd Please use the user 'admin@internal' and password specified in order to login Web access is enabled at: http://ovirt-engine:80/ovirt-engine https://ovirt-engine:443/ovirt-engine Internal CA 9D:C4:BF:DF:0B:8C:CF:A4:1E:91:E9:DE:86:E3:58:5E:B6:E9:22:A1 SSH fingerprint: SHA256:H6Uuo1NeCIU9+Me4uIb55hDtA9pUtRBOozB+tobKBEo [WARNING] Less than 16384MB of memory is available --== END OF SUMMARY ==-- [ INFO ] Stage: Clean up Log file is located at /var/log/ovirt-engine/setup/ovirt-engine-setup-20191110071238-dhorop.log [ INFO ] Generating answer file '/var/lib/ovirt-engine/setup/answers/20191110071842-setup.conf' [ INFO ] Stage: Pre-termination [ INFO ] Stage: Termination [ INFO ] Execution of setup completed successfully [root@ovirt-engine ~]#
安装成功。需要使用域名访问web管理网页：
编辑本机的 c:\windows\system32\drivers\etc\hosts文件，增加：
192.168.170.110 ovirt-manager.yuweibing.com ovirt-engine
192.168.170.114 ovirt-host1.yuweibing.com ovirt-host1
然后访问网址：
http://ovirt-engine:80/ovirt-engine
账号密码： admin/engine
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