本文介绍了一种利用Ruby脚本实现与Zabbix和vSphere集成的方法，用于获取和同步ESXi主机、数据存储和虚拟机的状态信息至Zabbix监控系统。
#!/usr/bin/ruby
require 'rubygems'require 'zbxapi'require 'logger'require 'rbvmomi'require 'fileutils'
ESX_GROUP = "VM ESXi"DS_GROUP = "VM Datastore"VM_GROUP = "VM VirtualMachine"ESX_TEMPLATE = "Template-vSphere-ESXi"DS_TEMPLATE = "Template-vSphere-Datastore"VM_TEMPLATE = "Template-vSphere-VM"FILEPATH = "/tmp/vsphere"
class Zbx < ZabbixAPI
def initialize ()@user = "Admin"@pass = "zabbix"begin@zbxapi = ZabbixAPI . new ( $zbxUrl ) . login ( @user , @pass )rescue => excp exc$log . error ( exc )exitendend
def send_zbx ( zbxCmd , zbxHash )begin@zbxapi . raw_api ( zbxCmd , zbxHash )rescue => excp exc$log . error ( exc )exitendend
def search_zbxGroup ( groupName )zbxHash = {:name => groupName}send_zbx ( "hostgroup.exists" , zbxHash )end
def create_zbxGroup ( groupName )zbxHash = {:name => groupName}send_zbx ( "hostgroup.create" , zbxHash )end
def get_zbxGroupId ( groupName )if search_zbxGroup ( groupName )zbxHash = {:name => groupName}send_zbx ( "hostgroup.getobjects" , zbxHash ) [ 0 ][ 'groupid' ]elsecreate_zbxGroup ( groupName ) [ 'groupids' ][ 0 ]endend
def search_zbxTemplate ( templateName )zbxHash = {:name => templateName}send_zbx ( "template.exists" , zbxHash )end
def get_zbxTemplateId ( templateName )unless search_zbxTemplate ( templateName )errmsg = " #{ templateName } is not exist."$log . error ( errmsg )abort ( errmsg )end@zbxapi . raw_api ( "template.getobjects" , {:name => templateName}) [ 0 ][ 'templateid' ]end
def search_zbxHost ( hostName )zbxHash = {:host => hostName}send_zbx ( "host.exists" , zbxHash )end
def create_zbxHost ( hosts , groupName , templateName )@groupId = get_zbxGroupId ( groupName )@templateId = get_zbxTemplateId ( templateName )hosts . each { | host |zbxHash = {:host => host ,:interfaces => [ {:type => 1 ,:main => 1 ,:useip => 1 ,:ip => "127.0.0.1" ,:dns => "" ,:port => "10050"} ] ,:groups => [ {:groupid => @groupId} ] ,:templates => [ {:templateid => @templateId} ]} unless search_zbxHost ( host )send_zbx ( "host.create" , zbxHash )}end
def get_zbxHostId ( hostName )zbxHash = {:host => hostName}send_zbx ( "host.getobjects" , zbxHash ) [ 0 ][ 'hostid' ]end
def delete_zbxHost ( hostName )zbxHash = {:hostid => get_zbxHostId ( hostName )} if search_zbxHost ( hostName )send_zbx ( "host.delete" , zbxHash ) if zbxHashendend
class VSphere < RbVmomi :: VIMdef initialize ( host , user , pass )@host = host@user = user@password = pass
begin@vim = RbVmomi :: VIM . connect :host => @host , :user => @user , :password => @password , :insecure => truerescue => excp exc$log . error ( exc )exitend
begin@dc = @vim . serviceInstance . find_datacenterrescue => excp exc$log . error ( exc )exitend
begin@sc = @vim . serviceContent . viewManagerrescue => excp exc$log . error ( exc )exitend
end
def get_host_status ( type )
new_list = Array . new
case type
when "host"@dc . hostFolder . childEntity [ 0 ]. host . grep ( RbVmomi :: VIM :: HostSystem ) . each do | stat |newname = stat . name . gsub ( /:/ , "-" )stat_fileName = "h_ #{ newname } "new_list << newname unless File . exist? ( $filePath + stat_fileName )statData = {"host-Hostname" => stat . name ,"host-Product" => stat . summary . config . product . fullName ,"host-HardwareMode" => stat . summary . hardware . model ,"host-CPUModel" => stat . summary . hardware . cpuModel ,"host-CPUMHz" => stat . summary . hardware . cpuMhz ,"host-CPUCore" => stat . summary . hardware . numCpuCores ,"host-CPUUsage" => stat . summary . quickStats . overallCpuUsage ,"host-TotalMemorySize" => stat . summary . hardware . memorySize / 1024 / 1024 ,"host-MemoryUsage" => stat . summary . quickStats . overallMemoryUsage ,"host-PowerState" => stat . summary . runtime . powerState ,"host-MaintenanceMode" => stat . summary . runtime . inMaintenanceMode ,"host-Uptime" => stat . summary . quickStats . uptime}writefile ( stat_fileName , statData )endif new_list . length > 0unless defined? ( @zbxapi )@zbxapi = Zbx . newend@zbxapi . create_zbxHost ( new_list , ESX_GROUP , ESX_TEMPLATE )end
when "ds"@dc . datastore . grep ( RbVmomi :: VIM :: Datastore ) . each do | stat |newname = stat . name . gsub ( /:/ , "-" )stat_fileName = "d_ #{ newname } "new_list << newname unless File . exist? ( $filePath + stat_fileName )vm_list =[]stat . vm . grep ( RbVmomi :: VIM :: VirtualMachine ) . each { | v | vm_list << v . name }statData = {"ds-Name" => stat . name ,"ds-Capacity" => stat . summary . capacity ,"ds-FreeSpace" => stat . summary . freeSpace ,"ds-VM" => vm_list . join ( ', ' )}writefile ( stat_fileName , statData )endif new_list . length > 0unless defined? ( @zbxapi )@zbxapi = Zbx . newend@zbxapi . create_zbxHost ( new_list , DS_GROUP , DS_TEMPLATE )end
when "vm"@sc . CreateContainerView ({ :container => @vim . rootFolder , :type => [ 'VirtualMachine' ] , :recursive => true }) . view . each do | stat |newname = stat . name . gsub ( /:/ , "-" )stat_fileName = "v_ #{ newname } "new_list << newname unless File . exist? ( $filePath + stat_fileName )statData = {"vm-Name" => stat . name ,"vm-ESXi" => stat . runtime . host . name ,"vm-powerState" => stat . summary . runtime . powerState ,"vm-guestFullName" => stat . summary . guest . guestFullName ,"vm-HostName" => stat . summary . guest . hostName ,"vm-IPAddress" => stat . summary . guest . ipAddress ,"vm-VMwareTools" => stat . summary . guest . toolsStatus ,"vm-maxCpuUsage" => stat . summary . runtime . maxCpuUsage ,"vm-numCpu" => stat . summary . config . numCpu ,"vm-overallCpuUsage" => stat . summary . quickStats . overallCpuUsage ,"vm-memorySizeMB" => stat . summary . config . memorySizeMB ,"vm-hostMemoryUsage" => stat . summary . quickStats . hostMemoryUsage ,"vm-guestMemoryUsage" => stat . summary . quickStats . guestMemoryUsage ,"vm-UncommittedStorage" => stat . summary . storage . uncommitted ,"vm-UsedStorage" => stat . summary . storage . committed ,"vm-UnsharedStorage" => stat . summary . storage . unshared ,"vm-Storagelocation" => stat . summary . config . vmPathName ,"vm-Uptime" => stat . summary . quickStats . uptimeSeconds}writefile ( stat_fileName , statData )endif new_list . length > 0unless defined? ( @zbxapi )@zbxapi = Zbx . newend@zbxapi . create_zbxHost ( new_list , VM_GROUP , VM_TEMPLATE )endend
end
end
def print_usageputs "usage: rbvmomi_zabbix.rb (vCenter Host) (vCenter Username) (vCenter Password) (Zabbix URL)"exitend
def writefile ( fileName , data )beginstatsFile = open ( $filePath + fileName , "w" )rescue => excp exc$log . error ( exc )exitenddata . each_pair { | key , value | statsFile . puts " #{ key } : #{ value } " }statsFile . closeend
def stats_file_age_check ( time )# 1日以上更新がないホストはZabbixから削除Dir :: glob ( $filePath + "*" ) . each do | f |if Time . now - File . stat ( f ) . mtime >= time/\A[vhd]_(.*)\z/ =~ File . basename ( f )unless defined? ( zbxapi )@zbxapi = Zbx . newend@zbxapi . delete_zbxHost ( $1 )File . delete ( f )endendend
def stats_file_check ( zbx_host , fileName )create_zbxHost ( hosts , groupName , templateName ) unless File . exist? ( fileName )end
print_usage if ARGV . size != 4vcHost = ARGV [ 0 ]vcUser = ARGV [ 1 ]vcPass = ARGV [ 2 ]$zbxUrl = ARGV [ 3 ]
$filePath = FILEPATH + "/stats/"FileUtils . mkdir_p ( $filePath ) unless File . exists? ( $filePath )logPath = FILEPATH + "/logs/"FileUtils . mkdir_p ( logPath ) unless File . exists? ( logPath )$log = Logger . new ( logPath + 'rbvmoni.log' , 'weekly' )
stats_file_age_check ( 3600 * 24 )
ds = VSphere . new ( vcHost , vcUser , vcPass )
ds . get_host_status ( "host" )ds . get_host_status ( "ds" )ds . get_host_status ( "vm" )
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