180 lines
6.3 KiB
PowerShell
180 lines
6.3 KiB
PowerShell
<#
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.SYNOPSIS
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Standardized Zabbix Agent 2 Enterprise Deployer (V2 Fleet Reconciliation)
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#>
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$ErrorActionPreference = "Stop"
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# --- 1. Versioned Idempotency Check ---
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$markerDir = "C:\ProgramData\Zabbix"
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$marker = "$markerDir\installed_v2.flag"
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$service = Get-Service -Name "Zabbix Agent 2" -ErrorAction SilentlyContinue
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if ((Test-Path $marker) -and ($service -and $service.Status -eq "Running")) {
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exit 0
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}
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if (-not (Test-Path $markerDir)) {
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New-Item -ItemType Directory -Path $markerDir -Force | Out-Null
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}
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# --- 2. Complete Network Subnet Resolution ---
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$localIPs = (Get-NetIPAddress -AddressFamily IPv4 | Where-Object { $_.IPAddress -notmatch '^(127\.|169\.254\.)' }).IPAddress
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# Node 1: 192.168.100.0/24 through 192.168.105.255
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if ($localIPs -match '^192\.168\.(10[0-5])\.') {
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$Location = "Node1"
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$ZabbixServer = "192.168.101.30"
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$ShareSource = "\\EHI-DC4.efhosting.sbcit.com.au\Zabbix"
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}
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# Node 2: 192.168.130.0-135.255 AND 192.168.141.0-145.255
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elseif ($localIPs -match '^192\.168\.(13[0-5]|14[1-5])\.') {
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$Location = "Node2"
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$ZabbixServer = "192.168.130.80"
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$ShareSource = "\\E2HI-DC5.efhosting.sbcit.com.au\Zabbix"
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}
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# Brisbane: 192.168.3.0/24 AND 192.168.200.0/24
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elseif ($localIPs -match '^192\.168\.(3|200)\.') {
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$Location = "Brisbane"
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$ZabbixServer = "192.168.3.43"
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$ShareSource = "\\BI-DC1.efhosting.sbcit.com.au\Zabbix"
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}
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# Fallback Default to Node 1
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else {
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$Location = "Node1"
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$ZabbixServer = "192.168.101.30"
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$ShareSource = "\\EHI-DC4.efhosting.sbcit.com.au\Zabbix"
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}
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# --- 3. Dynamic Hardware and Role Detection ---
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$osInfo = Get-CimInstance -ClassName Win32_OperatingSystem
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$Hostname = $env:COMPUTERNAME
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if ($osInfo.ProductType -eq 1) {
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$Role = "Workstation"
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}
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elseif ($Hostname -match '-ss\d*') {
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$Role = "SQL"
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}
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elseif ($Hostname -match '-app\d*') {
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$Role = "Application"
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}
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elseif (Get-Service -Name "MSSQLSERVER" -ErrorAction SilentlyContinue | Where-Object { $_.Status -eq "Running" }) {
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$Role = "SQL"
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}
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else {
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$Role = "Application"
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}
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$HardwareType = if ((Get-CimInstance -ClassName Win32_ComputerSystem).Model -match "Virtual|VMware|KVM|Hyper-V") {
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"VM"
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} else {
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"Physical"
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}
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$MetadataVal = "Windows:$($HardwareType):$($Location):$($Role)"
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# --- 4. File Acquisition with Multi-Tier Fallback (SMB -> Git -> CDN) ---
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$SourceZip = "$ShareSource\zabbix_agent2.zip"
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$GitZipUrl = "https://git.mkau.au/DistractADD/zabbix/raw/branch/main/zabbix_agent2.zip"
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$CdnZipUrl = "https://cdn.zabbix.com/zabbix/binaries/stable/7.4/7.4.11/zabbix_agent2-7.4.11-windows-amd64-openssl-static.zip"
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$InstallDir = "C:\Program Files\Zabbix Agent 2"
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$TempZip = "C:\Temp\zabbix_agent2.zip"
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if (-not (Test-Path "C:\Temp")) {
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New-Item -ItemType Directory -Path "C:\Temp" -Force | Out-Null
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}
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# Stop running instances safely before replacing files
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Get-Service "Zabbix Agent*" -ErrorAction SilentlyContinue | Stop-Service -Force -ErrorAction SilentlyContinue
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Get-Process "zabbix_agent*" -ErrorAction SilentlyContinue | Stop-Process -Force -ErrorAction SilentlyContinue
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[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
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$acquired = $false
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# Attempt 1: Local DC SMB Share
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try {
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if (Test-Path $SourceZip -ErrorAction Stop) {
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Copy-Item -Path $SourceZip -Destination $TempZip -Force -ErrorAction Stop
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if ((Test-Path $TempZip) -and ((Get-Item $TempZip).Length -gt 1000000)) {
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$acquired = $true
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}
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}
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}
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catch {}
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# Attempt 2: Internal Git Server
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if (-not $acquired) {
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try {
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Invoke-WebRequest -Uri $GitZipUrl -OutFile $TempZip -UseBasicParsing -TimeoutSec 30 -ErrorAction Stop
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if ((Test-Path $TempZip) -and ((Get-Item $TempZip).Length -gt 1000000)) {
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$acquired = $true
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}
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}
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catch {}
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}
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# Attempt 3: Official Zabbix CDN Fallback
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if (-not $acquired) {
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try {
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Invoke-WebRequest -Uri $CdnZipUrl -OutFile $TempZip -UseBasicParsing -TimeoutSec 60 -ErrorAction Stop
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if ((Test-Path $TempZip) -and ((Get-Item $TempZip).Length -gt 1000000)) {
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$acquired = $true
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}
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}
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catch {
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throw "Critical: Failed to acquire Zabbix Agent archive via SMB, internal Git, or external CDN."
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}
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}
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if (Test-Path $InstallDir) {
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Remove-Item $InstallDir -Recurse -Force -ErrorAction SilentlyContinue
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}
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New-Item -Path $InstallDir -ItemType Directory -Force | Out-Null
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Expand-Archive -Path $TempZip -DestinationPath $InstallDir -Force
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$BinDir = Get-ChildItem -Path $InstallDir -Recurse | Where-Object { $_.Name -eq "zabbix_agent2.exe" } | Select-Object -ExpandProperty DirectoryName
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if ($BinDir -ne $InstallDir) {
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Copy-Item -Path "$BinDir\*" -Destination $InstallDir -Recurse -Force
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}
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# --- 5. Generate Standardized Configuration ---
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$ConfigContent = @"
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LogType=file
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LogFile=$InstallDir\zabbix_agent2.log
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Server=$ZabbixServer
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ServerActive=$ZabbixServer
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Hostname=$Hostname
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HostMetadata=$MetadataVal
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AllowKey=system.run[*]
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Timeout=30
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ControlSocket=\\.\pipe\agent.sock
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"@
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Set-Content -Path "$InstallDir\zabbix_agent2.conf" -Value $ConfigContent
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# --- 6. Service Registration & Startup ---
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$ExePath = "$InstallDir\zabbix_agent2.exe"
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$ConfPath = "$InstallDir\zabbix_agent2.conf"
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$existingService = Get-Service -Name "Zabbix Agent 2" -ErrorAction SilentlyContinue
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if (-not $existingService) {
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Remove-Item -Path "HKLM:\SYSTEM\CurrentControlSet\Services\EventLog\Application\Zabbix Agent 2" -Recurse -Force -ErrorAction SilentlyContinue
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& $ExePath --config "$ConfPath" --install
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Start-Sleep -Seconds 2
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}
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Start-Service "Zabbix Agent 2" -ErrorAction SilentlyContinue
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Set-Service -Name "Zabbix Agent 2" -StartupType Automatic
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# --- 7. Firewall Configuration ---
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if (-not (Get-NetFirewallRule -DisplayName "Zabbix Agent Inbound" -ErrorAction SilentlyContinue)) {
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New-NetFirewallRule -DisplayName "Zabbix Agent Inbound" -Direction Inbound -LocalPort 10050 -Protocol TCP -Action Allow -Profile Any | Out-Null
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}
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if (-not (Get-NetFirewallRule -DisplayName "Zabbix Agent Outbound" -ErrorAction SilentlyContinue)) {
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New-NetFirewallRule -DisplayName "Zabbix Agent Outbound" -Direction Outbound -RemotePort 10051 -Protocol TCP -Action Allow -Profile Any | Out-Null
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}
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# --- 8. Finalize V2 State ---
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New-Item -ItemType File -Path $marker -Force | Out-Null
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Remove-Item -Path $TempZip -Force -ErrorAction SilentlyContinue |