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SystemPrep-Bootstrap-Template-Windows.ps1
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SystemPrep-Bootstrap-Template-Windows.ps1
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###
#Define User variables
###
$SystemPrepMasterScriptUrl = 'https://url/to/masterscript-windows.ps1'
$SystemPrepParams = @{
Param1 = "Value1"
Param2 = "Value2"
Param3 = "Value3"
Param4 = "Value4"
SourceIsS3Bucket = $true
AwsRegion = "region-name"
}
$AwsToolsUrl = $null
$RootCertUrl = $null
$ConfigureEc2EventLogging = $true
###
#Define System variables
###
$CertDir = "${env:temp}\certs"
$SystemPrepDir = "${env:SystemDrive}\SystemPrep"
$SystemPrepLogDir = "${env:SystemDrive}\SystemPrep\Logs"
$LogSource = "SystemPrep"
$DateTime = $(get-date -format "yyyyMMdd_HHmm_ss")
$SystemPrepLogFile = "${SystemPrepLogDir}\systemprep-log_${DateTime}.txt"
$ScriptName = $MyInvocation.mycommand.name
$ErrorActionPreference = "Stop"
###
#Start a transcript to record script output
###
#Create the SystemPrep log directory
New-Item -Path $SystemPrepDir -ItemType "directory" -Force 2>&1 > $null
New-Item -Path $SystemPrepLogDir -ItemType "directory" -Force 2>&1 > $null
Start-Transcript $SystemPrepLogFile
###
#Define Functions
###
function log {
[CmdLetBinding()]
Param(
[Parameter(Mandatory=$false,Position=0,ValueFromPipeLine=$true,ValueFromPipeLineByPropertyName=$true)] [string[]]
$LogMessage,
[Parameter(Mandatory=$false,Position=1,ValueFromPipeLine=$false,ValueFromPipeLineByPropertyName=$true)] [string]
$EntryType="Information",
[Parameter(Mandatory=$false,Position=2,ValueFromPipeLine=$false,ValueFromPipeLineByPropertyName=$true)] [string]
$LogTag
)
PROCESS {
foreach ($message in $LogMessage) {
$date = get-date -format "yyyyMMdd.HHmm.ss"
Manage-Output -EntryType $EntryType "${date}: ${LogTag}: $message"
}
}
}
function Manage-Output {
[CmdLetBinding()]
Param(
[Parameter(Mandatory=$false,Position=0,ValueFromPipeLine=$true,ValueFromPipeLineByPropertyName=$true)] [string[]]
$Output,
[Parameter(Mandatory=$false,Position=1,ValueFromPipeLine=$false,ValueFromPipeLineByPropertyName=$true)] [string]
$EntryType="Information"
)
PROCESS {
foreach ($str in $Output) {
#Write to the event log
Write-EventLog -LogName Application -Source SystemPrep -EventId 1 -EntryType $EntryType -Message "${str}"
#Write to the default stream (this way we don't clobber the output stream, and the output will be captured by Start-Transcript)
"${str}" | Out-Default
}
}
}
function Download-File {
[CmdLetBinding()]
Param(
[Parameter(Mandatory=$true,Position=0,ValueFromPipeLine=$true,ValueFromPipeLineByPropertyName=$true)] [string[]] $Url,
[Parameter(Mandatory=$true,Position=1,ValueFromPipeLine=$false,ValueFromPipeLineByPropertyName=$false)] [string] $SavePath,
[Parameter(Mandatory=$false,Position=2,ValueFromPipeLine=$false,ValueFromPipeLineByPropertyName=$false)] [switch] $SourceIsS3Bucket,
[Parameter(Mandatory=$false,Position=3,ValueFromPipeLine=$false,ValueFromPipeLineByPropertyName=$false)] [string] $AwsRegion
)
BEGIN {
New-Item -Path ${SavePath} -ItemType Directory -Force -WarningAction SilentlyContinue > $null
}
PROCESS {
foreach ($url_item in $Url) {
$FileName = "${SavePath}\$((${url_item}.split('/'))[-1])"
if ($SourceIsS3Bucket) {
log -LogTag ${ScriptName} "Downloading file from S3 bucket: ${url_item}"
$SplitUrl = $url_item.split('/') | where { $_ -notlike "" }
$BucketName = $SplitUrl[2]
$Key = $SplitUrl[3..($SplitUrl.count-1)] -join '/'
$ret = Invoke-Expression "Powershell Read-S3Object -BucketName $BucketName -Key $Key -File $FileName -Region $AwsRegion"
}
else {
log -LogTag ${ScriptName} "Downloading file from HTTP host: ${url_item}"
(new-object net.webclient).DownloadFile("${url_item}","${FileName}")
}
Write-Output (Get-Item $FileName)
}
}
}
function Expand-ZipFile {
[CmdLetBinding()]
Param(
[Parameter(Mandatory=$true,Position=0,ValueFromPipeLine=$true,ValueFromPipeLineByPropertyName=$true)] [string[]] $FileName,
[Parameter(Mandatory=$true,Position=1,ValueFromPipeLine=$false,ValueFromPipeLineByPropertyName=$false)] [string] $DestPath,
[Parameter(Mandatory=$false,Position=2,ValueFromPipeLine=$false,ValueFromPipeLineByPropertyName=$false)] [switch] $CreateDirFromFileName
)
PROCESS {
foreach ($file in $FileName) {
$Shell = new-object -com shell.application
if (!(Test-Path "$file")) {
throw "$file does not exist"
}
log -LogTag ${ScriptName} "Unzipping file: ${file}"
if ($CreateDirFromFileName) { $DestPath = "${DestPath}\$((Get-Item $file).BaseName)" }
New-Item -Path $DestPath -ItemType Directory -Force -WarningAction SilentlyContinue > $null
$Shell.namespace($DestPath).copyhere($Shell.namespace("$file").items(), 0x14)
Write-Output (Get-Item $DestPath)
}
}
}
function Import-509Certificate {
[CmdLetBinding()]
Param(
[Parameter(Mandatory=$true,Position=0,ValueFromPipeLine=$true,ValueFromPipeLineByPropertyName=$false)] [string[]] $certPath,
[Parameter(Mandatory=$true,Position=1,ValueFromPipeLine=$false,ValueFromPipeLineByPropertyName=$false)] [string] $certRootStore,
[Parameter(Mandatory=$true,Position=2,ValueFromPipeLine=$false,ValueFromPipeLineByPropertyName=$false)] [string] $certStore
)
PROCESS {
foreach ($item in $certpath) {
log -LogTag ${ScriptName} "Importing certificate: ${item}"
$pfx = new-object System.Security.Cryptography.X509Certificates.X509Certificate2
$pfx.import($item)
$store = new-object System.Security.Cryptography.X509Certificates.x509Store($certStore,$certRootStore)
$store.open("MaxAllowed")
$store.add($pfx)
$store.close()
}
}
}
function Install-RootCerts {
[CmdLetBinding()]
Param(
[Parameter(Mandatory=$true,Position=0,ValueFromPipeLine=$true,ValueFromPipeLineByPropertyName=$false)] [string[]] $RootCertHost
)
PROCESS {
foreach ($item in $RootCertHost) {
$CertDir = "${env:temp}\certs-$(${item}.Replace(`"http://`",`"`"))"
New-Item -Path $CertDir -ItemType "directory" -Force -WarningAction SilentlyContinue > $null
log -LogTag ${ScriptName} "...Checking for certificates hosted by: $item..."
$CertUrls = @((Invoke-WebRequest -Uri $item).Links | where { $_.href -match ".*\.cer$"} | foreach-object {$item + $_.href})
log -LogTag ${ScriptName} "...Found $(${CertUrls}.count) certificate(s)..."
log -LogTag ${ScriptName} "...Downloading certificate(s)..."
$CertFiles = $CertUrls | Download-File -SavePath $CertDir
$TrustedRootCACertFiles = $CertFiles | where { $_.Name -match ".*root.*" }
$IntermediateCACertFiles = $CertFiles | where { $_.Name -notmatch ".*root.*" }
log -LogTag ${ScriptName} "...Beginning import of $(${TrustedRootCACertFiles}.count) trusted root CA certificate(s)..."
$TrustedRootCACertFiles | Import-509Certificate -certRootStore "LocalMachine" -certStore "Root"
log -LogTag ${ScriptName} "...Beginning import of $(${IntermediateCACertFiles}.count) intermediate CA certificate(s)..."
$IntermediateCACertFiles | Import-509Certificate -certRootStore "LocalMachine" -certStore "CA"
log -LogTag ${ScriptName} "...Completed import of certificate(s) from: ${item}"
}
}
}
function Install-AwsSdkEndpointXml {
[CmdLetBinding()]
Param(
[Parameter(Mandatory=$true,Position=0,ValueFromPipeLine=$true,ValueFromPipeLineByPropertyName=$false)] [string[]] $AwsToolsUrl
)
PROCESS {
foreach ($item in $AwsToolsUrl) {
log -LogTag ${ScriptName} "...Beginning import of AWS SDK Endpoints XML file..."
$AwsToolsFile = Download-File -Url $item -SavePath ${env:temp}
log -LogTag ${ScriptName} "...Extracting AWS Tools..."
$AwsToolsDir = Expand-ZipFile -FileName $AwsToolsFile -DestPath ${env:temp} -CreateDirFromFileName
$AwsSdkEndpointSource = "${AwsToolsDir}\customization\sdk\AWSSDK.endpoints.xml"
$AwsSdkEndpointDest = "${Env:ProgramFiles(x86)}\AWS Tools\PowerShell\AWSPowerShell"
log -LogTag ${ScriptName} "Copying AWS SDK Endpoints XML file -- "
log -LogTag ${ScriptName} " -- source: ${AwsSdkEndpointSource}"
log -LogTag ${ScriptName} " -- dest: ${AwsSdkEndpointDest}"
Copy-Item $AwsSdkEndpointSource $AwsSdkEndpointDest
log -LogTag ${ScriptName} "...Completed import of AWS SDK Endpoints XML file..."
}
}
}
function Enable-Ec2EventLogging {
[CmdLetBinding()]
Param()
PROCESS {
$EC2SettingsFile = "${env:ProgramFiles}\Amazon\Ec2ConfigService\Settings\Config.xml"
$xml = [xml](get-content $EC2SettingsFile)
$xmlElement = $xml.get_DocumentElement()
$xmlElementToModify = $xmlElement.Plugins
foreach ($element in $xmlElementToModify.Plugin)
{
if ($element.name -eq "Ec2EventLog")
{
$element.State = "Enabled"
}
}
$xml.Save($EC2SettingsFile)
log -LogTag ${ScriptName} "Enabled EC2 event logging"
}
}
function Add-Ec2EventLogSource {
[CmdLetBinding()]
Param(
[Parameter(Mandatory=$true,Position=0,ValueFromPipeLine=$false,ValueFromPipeLineByPropertyName=$false)] [string[]] $LogSource
)
PROCESS {
foreach ($Source in $LogSource) {
$EC2EventLogFile = "${env:ProgramFiles}\Amazon\Ec2ConfigService\Settings\EventLogConfig.xml"
$xml = [xml](Get-Content $EC2EventLogFile)
foreach ($MessageType in @("Information","Warning","Error")) {
$xmlElement = $xml.EventLogConfig.AppendChild($xml.CreateElement("Event"))
$xml_category = $xmlElement.AppendChild($xml.CreateElement("Category"))
$xml_category.AppendChild($xml.CreateTextNode("Application")) | Out-null
$xml_errortype = $xmlElement.AppendChild($xml.CreateElement("ErrorType"))
$xml_errortype.AppendChild($xml.CreateTextNode($MessageType)) | Out-null
$xml_numentries = $xmlElement.AppendChild($xml.CreateElement("NumEntries"))
$xml_numentries.AppendChild($xml.CreateTextNode("9999")) | Out-null
$xml_appname = $xmlElement.AppendChild($xml.CreateElement("AppName"))
$xml_appname.AppendChild($xml.CreateTextNode("${Source}")) | Out-null
$xml_lastmessagetime = $xmlElement.AppendChild($xml.CreateElement("LastMessageTime"))
$xml_lastmessagetime.AppendChild($xml.CreateTextNode($(get-date -Format "yyyy-MM-ddTHH:mm:ss.0000000+00:00"))) | Out-null
}
$xml.Save($EC2EventLogFile)
log -LogTag ${ScriptName} "Added the log source, ${Source}, to the EC2 Event Log configuration file"
}
}
}
###
#Begin Script
###
#Create a "SystemPrep" event log source
try {
New-EventLog -LogName Application -Source "${LogSource}"
} catch [System.InvalidOperationException] {
# Event log already exists, log a message but don't force an exit
log -LogTag ${ScriptName} "Event log source, ${LogSource}, already exists. Continuing..."
} catch {
# Unhandled exception, log an error and exit!
"$(get-date -format "yyyyMMdd.HHmm.ss"): ${ScriptName}: ERROR: Encountered a problem trying to create the event log source." | Out-Default
Stop-Transcript
throw
}
if ($ConfigureEc2EventLogging) {
#Enable and configure EC2 event logging
try {
Enable-Ec2EventLogging
Add-Ec2EventLogSource -LogSource ${LogSource}
} catch {
# Unhandled exception, log an error and exit!
log -LogTag ${ScriptName} -EntryType "Error" "ERROR: Encountered a problem trying to configure EC2 event logging."
Stop-Transcript
throw
}
}
if ($RootCertUrl) {
#Download and install the root certificates
try {
Install-RootCerts -RootCertHost ${RootCertUrl}
} catch {
# Unhandled exception, log an error and exit!
log -LogTag ${ScriptName} -EntryType "Error" "ERROR: Encountered a problem trying to install root certificates."
Stop-Transcript
throw
}
}
if ($AwsToolsUrl) {
#Download and install the AWS SDK Endpoint XML file
try {
Install-AwsSdkEndpointXml -AwsToolsUrl ${AwsToolsUrl}
} catch {
# Unhandled exception, log an error and exit!
log -LogTag ${ScriptName} -EntryType "Error" "ERROR: Encountered a problem trying to install root certificates."
Stop-Transcript
throw
}
}
#Download the master script
log -LogTag ${ScriptName} "Downloading the SystemPrep master script: ${SystemPrepMasterScriptUrl}"
try {
$SystemPrepMasterScript = Download-File $SystemPrepMasterScriptUrl $SystemPrepDir -SourceIsS3Bucket:($SystemPrepParams["SourceIsS3Bucket"]) -AwsRegion $SystemPrepParams["AwsRegion"]
} catch {
# Unhandled exception, log an error and exit!
log -LogTag ${ScriptName} -EntryType "Error" "ERROR: Encountered a problem trying to download the master script!"
Stop-Transcript
throw
}
#Execute the master script
log -LogTag ${ScriptName} "Running the SystemPrep master script: ${SystemPrepMasterScript}"
try {
Invoke-Expression "& ${SystemPrepMasterScript} @SystemPrepParams" | Manage-Output
} catch {
# Unhandled exception, log an error and exit!
log -LogTag ${ScriptName} -EntryType "Error" "ERROR: Encountered a problem executing the master script!"
Stop-Transcript
throw
}
#Reached the exit without an error, log success message
log -LogTag ${ScriptName} "SystemPrep completed successfully! Exiting..."
Stop-Transcript
</powershell>