New script to install Chocolatey, nano and zabbix-agent2

Windows/Chocolatey/InstallConfigureChocolatey.ps1

+<#=============================================================================================================================
+   Install and configure Chocolatey, also add a scheduled task to run "choco upgrade -y all" at computer startup and nightly
+=============================================================================================================================#>
+
+# Start the Script
+Write-Host "Starting script execution..."
+
+# Determine the name of the currently executing script without the extension
+$scriptName = [System.IO.Path]::GetFileNameWithoutExtension($MyInvocation.MyCommand.Name)
+
+# Set the log file path based on the script name
+$transcriptPath = "C:\Install Logs\$scriptName.log"
+
+# Start Transcript
+Start-Transcript -Path $transcriptPath
+
+# Determine the directory of the currently executing script
+$scriptDirectory = Split-Path -Parent $MyInvocation.MyCommand.Path
+
+# Load configuration
+$configPath = Join-Path -Path $scriptDirectory -ChildPath "config.json"
+$config = Get-Content -Path $configPath | ConvertFrom-Json
+
+# Function to check if a cmdlet exists
+function Test-Command {
+   param (
+      [string]$CommandName
+   )
+   $command = Get-Command -Name $CommandName -ErrorAction SilentlyContinue
+   return $null -ne $command
+}
+
+# Function to check if a Chocolatey package is installed
+function Test-PackageInstalled {
+   param (
+      [string]$PackageName
+   )
+   $installedPackages = choco list --exact $PackageName
+   return $installedPackages -match "^$PackageName"
+}
+
+# Function to check if a service exists
+function Test-Service {
+   param (
+      [string]$ServiceName
+   )
+   return $null -ne (Get-Service -Name $ServiceName -ErrorAction SilentlyContinue)
+}
+
+# Function to start or restart a service
+function Set-ServiceState {
+   param (
+      [string]$ServiceName
+   )
+   $service = Get-Service -Name $ServiceName -ErrorAction SilentlyContinue
+   if ($service) {
+      if ($service.Status -eq 'Running') {
+         Write-Output "Restarting service: $ServiceName"
+         Restart-Service -Name $ServiceName -Force
+      } else {
+         Write-Output "Starting service: $ServiceName"
+         Start-Service -Name $ServiceName
+      }
+   } else {
+      Write-Output "Service $ServiceName not found."
+   }
+}
+
+# Function to stop a service if it exists
+function Stop-ServiceIfExists {
+   param (
+      [string]$ServiceName
+   )
+   if (Test-Service -ServiceName $ServiceName) {
+      Write-Output "Stopping service: $ServiceName"
+      Stop-Service -Name $ServiceName -Force -ErrorAction SilentlyContinue
+   } else {
+      Write-Output "Service $ServiceName not found. No action taken."
+   }
+}
+
+# Function to install a Chocolatey package
+function Install-ChocoPackageIfNotInstalled {
+   param (
+      [string]$PackageName,
+      [switch]$ForceInstall,
+      [scriptblock]$PostInstallAction
+   )
+   if (Test-PackageInstalled -PackageName $PackageName) {
+      Write-Output "$PackageName is already installed."
+   } else {
+      Write-Output "Installing package: $PackageName"
+      $installCommand = "choco install -y"
+      if ($ForceInstall) {
+         $installCommand += " --force"
+      }
+      $installCommand += " $PackageName"
+      Invoke-Expression $installCommand
+      Write-Output "$PackageName installed successfully."
+      if ($PostInstallAction) {
+         & $PostInstallAction
+      }
+   }
+}
+
+# Function to format the configuration line
+function Format-ConfigLine {
+   param (
+      [string]$key,
+      [string]$value,
+      [bool]$commented
+   )
+   if ($commented) {
+      return "# $key=$value"
+   } else {
+      return "$key=$value"
+   }
+}
+
+# Check if Chocolatey is installed
+if (Test-Command -CommandName "choco") {
+   Write-Host "Chocolatey is already installed."
+} else {
+   # Install Chocolatey
+   Write-Host "Install Chocolatey."
+   Set-ExecutionPolicy Bypass -Scope Process -Force
+   [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072
+   Invoke-Expression ((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1'))
+}
+
+# Check if FIPS compliant checksums are enabled
+$fipsEnabled = choco feature list | Select-String -Pattern "useFipsCompliantChecksums" | Select-String -Pattern "Enabled"
+if (-not $fipsEnabled) {
+   Write-Host "Enable FIPS compliant checksums."
+   powershell.exe choco feature enable -n useFipsCompliantChecksums
+} else {
+   Write-Host "FIPS compliant checksums are already enabled."
+}
+
+# Check if Remember Arguments for Upgrades are enabled
+$rememberDisabled = choco feature list | Select-String -Pattern "useRememberedArgumentsForUpgrades" | Select-String -Pattern "Disabled"
+if (-not $rememberDisabled) {
+   Write-Host "Disable Remember Arguments for Upgrades."
+   powershell.exe choco feature disable -n useRememberedArgumentsForUpgrades
+} else {
+   Write-Host "Remember Arguments for Upgrades are already disabled."
+}
+
+# Extract Chocolatey sources from the config file
+$chocoSources = $config.ChocolateySources
+
+# Get the current Chocolatey source names
+$currentChocoSourceNames = choco source list | Select-String -Pattern ' - ' | ForEach-Object {
+   $_.Line.Split(' - ')[0].Trim()
+}
+
+# Remove current Chocolatey sources that are not in the config file
+foreach ($currentSourceName in $currentChocoSourceNames) {
+   if ($chocoSources.name -notcontains $currentSourceName) {
+      Write-Host "Removing source: Name = $currentSourceName"
+      choco source remove -n $currentSourceName
+   }
+}
+
+# Add Chocolatey sources from the config file
+foreach ($source in $chocoSources) {
+   Write-Host "Adding source: Name = $($source.name), Source = $($source.source)"
+   choco source add --name $source.name --source $source.source --priority $source.priority
+}
+
+Write-Host "Chocolatey sources have been configured."
+
+# Should PowerShell 7 be installed
+if ($config.InstallPowerShell7) {
+   # Check if PowerShell 7 is installed
+   $pwshPath = (Get-Command pwsh -ErrorAction SilentlyContinue).Source
+   
+   if (-not $pwshPath) {
+      Write-Host "PowerShell 7 is not installed. Installing PowerShell 7..."
+      choco install powershell-core -y
+      # Refresh environment variables
+      & "$env:ChocolateyInstall\helpers\chocolateyProfile.psm1"
+      refreshenv
+      # Re-check for PowerShell 7 path
+      $pwshPath = (Get-Command pwsh -ErrorAction SilentlyContinue).Source
+   }
+}
+
+# Should nano be installed
+if ($config.InstallNano) {
+   Install-ChocoPackageIfNotInstalled -PackageName "nano"
+}
+
+   #Install Zabbix Agent 2
+   Install-ChocoPackageIfNotInstalled -PackageName "zabbix-agent2" -ForceInstall
+
+if ($config.InstallZabbixAgent2) {
+   # Create the content for the Zabbix Agent 2 config file
+   $zabbixConfigPath2 = "C:\Program Files\Zabbix Agent 2\zabbix_agent2.conf"
+
+   # Ensure the directory exists
+   $zabbixConfigDirectory = Split-Path -Path $zabbixConfigPath2 -Parent
+   if (-not (Test-Path -Path $zabbixConfigDirectory)) {
+      New-Item -Path $zabbixConfigDirectory -ItemType Directory -Force
+   }
+
+   # Create the content for the Zabbix Agent 2 config file
+   $zabbixConfigContent2 = @(
+      "# This is a configuration file for Zabbix agent2 (on Windows)"
+      "# To get more information about Zabbix, visit https://www.zabbix.com"
+      "# First install"
+      ""
+   )
+
+   # Add Zabbix settings from JSON to the config content
+   foreach ($setting in $config.ZabbixSettings.PSObject.Properties) {
+      $zabbixConfigContent2 += Format-ConfigLine -key $setting.Name -value $setting.Value.value -commented $setting.Value.commented
+   }
+
+   # Add static lines to the config content
+   $zabbixConfigContent2 += @(
+      ""
+      "Include=C:\Program Files\Zabbix Agent 2\zabbix_agent2.d\"
+      "# Include=c:\zabbix\zabbix_agent2.userparams.conf"
+      "# Include=c:\zabbix\zabbix_agent2.conf.d\"
+      "# Include=c:\zabbix\zabbix_agent2.conf.d\*.conf"
+      "ControlSocket=\\.\pipe\agent.sock"
+      "Include=.\zabbix_agent2.d\plugins.d\*.conf"
+   )
+
+   # Write the content to the Zabbix config files
+   $zabbixConfigContent2 | Out-File -FilePath $zabbixConfigPath2 -Encoding UTF8
+   Write-Host "Zabbix agent2 configuration file have been updated."
+
+   if (Test-Service -ServiceName "Zabbix Agent 2") {
+      # Ensure Zabbix Agent 2 service is configured to start automatically
+      Write-Output "Change Zabbix Agent 2 service to start automatic."
+      Set-Service -Name "Zabbix Agent 2" -StartupType Automatic
+      # Ensure Zabbix Agent 2 service have these failure actions
+      Write-Output "Change Zabbix Agent 2 service to restart if failure."
+      cmd /c 'sc failure "Zabbix Agent 2" reset=86400 actions=restart/60000/restart/60000/restart/60000'
+   } else {
+      Write-Output "Zabbix Agent 2 service not found. Error, manual action has to be taken."
+   }
+
+   # Start or restart the Zabbix Agent 2 service
+   Start-Sleep -Seconds 5
+   Set-ServiceState -ServiceName "Zabbix Agent 2"
+}
+
+# Stop Transcript
+Write-Host "Stopping transcript..."
+Stop-Transcript
+
+Write-Host "Script execution completed."
\ No newline at end of file