使用collectd与visage收集kvm虚拟机性能实时图形
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软件功能:
通过collectd软件来监控收集kvm虚拟机的性能数据,包括cpu,memory、磁盘IO、网络流量等
通过visage软件将收集到的数据绘制图形。
安装:
系统环境:ubuntu12.04
collectd
首先、在collectd官网下载collectd包collectd-5.4.0
安装collectd依赖包
apt-get install bison flex autoconf pkg-config libtool libgcrypt11-dev librrd-dev
安装完成后,到collectd-5.4.0目录下编译源码并安装
./configure --prefix=/ --exec-prefix=/usr --enable-cpu --enable-network --enable-libvirt --enable-logfile --enable-rrdtool --enable-rrdcachedmake&&make install
修改配置
mkdir /etc/collectmv /etc/collectd.conf /etc/collectvi /etc/collect/collectd.conf
在collectd.conf文件中修改内容
LoadPlugin syslogLoadPlugin logfile<Plugin logfile> LogLevel info File STDOUT Timestamp true PrintSeverity false</Plugin><Plugin syslog> LogLevel info</Plugin>LoadPlugin cpuLoadPlugin dfLoadPlugin diskLoadPlugin interfaceLoadPlugin irqLoadPlugin libvirtLoadPlugin loadLoadPlugin memoryLoadPlugin networkLoadPlugin processesLoadPlugin rrdcachedLoadPlugin rrdtoolLoadPlugin users<Plugin network># # client setup: Server "192.168.0.12" "25826" //客户端配置收集数据的服务端 IP +端口 Server "192.168.0.16" "25826" # <Server "239.192.74.66" "25826"># SecurityLevel Encrypt# Username "user" # Password "secret" # Interface "eth0" # </Server># TimeToLive "128" ## # server setup: Listen "192.168.0.16" "25826" //collectd作为收集服务端需要打开listen IP + 端口# <Listen "239.192.74.66" "25826"></Plugin><Plugin libvirt> Connection "qemu:///system" RefreshInterval 60# Domain "name" BlockDevice "/:hdc/" # InterfaceDevice "name:device" IgnoreSelected true HostnameFormat uuid InterfaceFormat "address" </Plugin>
在安装目录下将collectd执行文件拷贝到/ect/init.d/目录下然后启动collectd
service collectd start
visage
安装visage依赖包
apt-get install -y build-essential librrd-ruby ruby ruby-dev rubygems
安装visage软件
apt-get install gemgem install visage-app
启动visage
visage-app start
启动后访问visage-app的web界面
http://visage-app-server:9292
错误解答:
启动visage-app报错:
root@PS-8:/# visage-app start/var/lib/gems/1.8/gems/visage-app-2.1.0/lib/visage-app/types.rb:19:in `initialize': No such file or directory - /usr/share/collectd/types.db (Errno::ENOENT) from /var/lib/gems/1.8/gems/visage-app-2.1.0/lib/visage-app/types.rb:19:in `new' from /var/lib/gems/1.8/gems/visage-app-2.1.0/lib/visage-app/types.rb:19:in `build' from /var/lib/gems/1.8/gems/visage-app-2.1.0/lib/visage-app/types.rb:10:in `initialize' from /var/lib/gems/1.8/gems/visage-app-2.1.0/lib/visage-app.rb:34:in `new' from /var/lib/gems/1.8/gems/visage-app-2.1.0/lib/visage-app.rb:34 from /var/lib/gems/1.8/gems/visage-app-2.1.0/lib/visage-app/config.rb:6:in `use' from /var/lib/gems/1.8/gems/visage-app-2.1.0/lib/visage-app.rb:31 from /var/lib/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:1273:in `configure' from /var/lib/gems/1.8/gems/visage-app-2.1.0/lib/visage-app.rb:30 from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require' from /usr/lib/ruby/vendor_ruby/1.8/rubygems/custom_require.rb:36:in `require' from /var/lib/gems/1.8/gems/visage-app-2.1.0/bin/visage-app:17 from /usr/local/bin/visage-app:19:in `load' from /usr/local/bin/visage-app:19
ollectd编译安转types.rb默认在目录/share/collectd/目录下,将types.rb文件拷贝到/usr/share/collectd目录下,并将collectd.conf配置文件中设置参数:TypesDB "/usr/share/collectd/types.db" 然后再启动collectd和visage-app
visage-app收集不到数据
在visage-app界面上查看不到服务器?visage-app启动默认是在目录/var/lib/collectd/rrd目录下去收集服务器,但是collectd编译安装数据默认在/var/lib/collectd/目录下。在collectd.conf配置文件中设置参数:BaseDir "/var/lib/collectd/rrd"
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