# Script to install zabbix agent.
# Technolog Networks, 2024-07-27
# iRaven

Start-Transcript -Path "c:\irnh\Install-ZabbixAgent.log" -Append

$InstallFolder = "C:\Program Files\Zabbix Agent"
$InstallerLog = "C:\irnh\Installer-ZabbixAgent.log"
$SoftwareDeployLocation = "\\technolog.net\sysvol\technolog.net\SoftwareDeploy\zabbix_agent-7.0.9-windows-amd64-openssl.msi"
$SDZabbixVersion = "7.0.9"
$ZabbixVersionInstalled = (Get-WmiObject -Class Win32_Product | where name -like "Zabbix*" | select Name, Version).Version

# Zabbix settings
$ZabbixServer = "10.10.0.90"
$ZabbixAgentLogFile = "$InstallFolder\zabbix_agentd.log"

Function CheckZabbixInstall {
    if ($ZabbixVersionInstalled -ne $null) {
        if ($ZabbixVersionInstalled -like "$SDZabbixVersion*") {
            return $true
        } else {
            return $false
        }
    } else {
        return $false
    }
}

if ((CheckZabbixInstall) -eq $true){
    Write-Host "Zabbix is currently up-to-date on this computer with the version stored in domain SYSVOL. No action is needed."
} else {
    Write-Host "An upgrade to Zabbix was detected in domain SYSVOL."
    Write-Host "This computer has $ZabbixVersionInstalled installed. Upgrading to the newest version $SDZabbixVersion."
    try {
        msiexec /log "$InstallerLog" /i "$SoftwareDeployLocation" SERVER="$ZabbixServer" HOSTNAME=$env:COMPUTERNAME ENABLEPATH=1 /quiet
    } catch {
        Write-Error "Zabbix Agent could not be installed."
    }  
}


Stop-Transcript