lib/core/icingaagent/installer/Install-IcingaAgentCertificates.psm1
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function Install-IcingaAgentCertificates() { param( [string]$Hostname, [string]$Endpoint, [int]$Port = 5665, [string]$CACert, [string]$Ticket, [switch]$Force = $FALSE ); if ([string]::IsNullOrEmpty($Hostname)) { throw 'Failed to install Icinga Agent certificates. Please provide a hostname'; } # Default for Icinga 2.8.0 and above [string]$NewCertificateDirectory = (Join-Path -Path $Env:ProgramData -ChildPath 'icinga2\var\lib\icinga2\certs\'); [string]$OldCertificateDirectory = (Join-Path -Path $Env:ProgramData -ChildPath 'icinga2\etc\icinga2\pki\'); [string]$CertificateDirectory = $NewCertificateDirectory; if ((Compare-IcingaVersions -RequiredVersion '2.8.0') -eq $FALSE) { # Certificate path for versions older than 2.8.0 $CertificateDirectory = $OldCertificateDirectory; Move-IcingaAgentCertificates -Source $NewCertificateDirectory -Destination $OldCertificateDirectory; } else { Move-IcingaAgentCertificates -Source $OldCertificateDirectory -Destination $NewCertificateDirectory; } if (-Not (Test-IcingaAgentCertificates -CertDirectory $CertificateDirectory -Hostname $Hostname -Force $Force)) { Write-Host ([string]::Format('Generating host certificates for host "{0}"', $Hostname)); $arguments = [string]::Format('pki new-cert --cn {0} --key {1}{0}.key --cert {1}{0}.crt', $Hostname, $CertificateDirectory ); if ((Start-IcingaAgentCertificateProcess -Arguments $arguments) -eq $FALSE) { throw 'Failed to generate host certificate'; } } if ([string]::IsNullOrEmpty($Endpoint) -And [string]::IsNullOrEmpty($CACert)) { Write-Host 'Your host certificates have been generated successfully. Please either specify an endpoint to connect to or provide the path to a valid ca.crt.'; return $TRUE; } if (-Not [string]::IsNullOrEmpty($Endpoint)) { if (-Not (Test-IcingaAgentCertificates -CertDirectory $CertificateDirectory -Hostname $Hostname -TestTrustedParent -Force $Force)) { Write-Host ([string]::Format('Fetching trusted master certificate from "{0}"', $Endpoint)); $arguments = [string]::Format('pki save-cert --key {0}{1}.key --trustedcert {0}trusted-parent.crt --host {2}', $CertificateDirectory, $Hostname, $Endpoint ); if ((Start-IcingaAgentCertificateProcess -Arguments $arguments) -eq $FALSE) { Write-Host 'Unable to connect to your provided Icinga CA. Please verify the entered configuration is correct.' ` 'If you are not able to connect to your Icinga CA from this machine, you will have to provide the path' ` 'to your Icinga ca.crt and use the CA-Proxy certificate handling.'; return $TRUE; } } if (-Not (Test-IcingaAgentCertificates -CertDirectory $CertificateDirectory -Hostname $Hostname -TestCACert -Force $Force)) { [string]$PKIRequest = 'pki request --host {0} --port {1} --ticket {4} --key {2}{3}.key --cert {2}{3}.crt --trustedcert {2}trusted-parent.crt --ca {2}ca.crt'; if ([string]::IsNullOrEmpty($Ticket)) { $PKIRequest = 'pki request --host {0} --port {1} --key {2}{3}.key --cert {2}{3}.crt --trustedcert {2}trusted-parent.crt --ca {2}ca.crt'; } $arguments = [string]::Format($PKIRequest, $Endpoint, $Port, $CertificateDirectory, $Hostname, $Ticket ); if ((Start-IcingaAgentCertificateProcess -Arguments $arguments) -eq $FALSE) { throw 'Failed to sign Icinga certificate'; } if ([string]::IsNullOrEmpty($Ticket)) { Write-Host 'Your certificates were generated successfully. Please sign the certificate now on your Icinga CA master. You can lookup open requests with "icinga2 ca list"'; } else { Write-Host 'Icinga certificates successfully installed'; } } return $TRUE; } elseif (-Not [string]::IsNullOrEmpty($CACert)) { if (-Not (Copy-IcingaAgentCACertificate -CAPath $CACert -Desination $CertificateDirectory)) { return $FALSE; } Write-Host 'Host-Certificates and ca.crt are present. Please start your Icinga Agent now and manually sign your certificate request on your CA master. You can lookup open requests with "icinga2 ca list"'; } return $TRUE; } function Start-IcingaAgentCertificateProcess() { param( $Arguments ); $Binary = Get-IcingaAgentBinary; $Process = Start-IcingaProcess -Executable $Binary -Arguments $Arguments; if ($Process.ExitCode -ne 0) { Write-Host ([string]::Format('Failed to create certificate.{0}Arguments: {1}{0}Error:{2} {3}', "`r`n", $Arguments, $Process.Message, $Process.Error)); return $FALSE; } Write-Host $Process.Message; return $TRUE; } function Move-IcingaAgentCertificates() { param( [string]$Source, [string]$Destination ); $SourceDir = Join-Path -Path $Source -ChildPath '\*'; $TargetDir = Join-Path -Path $Destination -ChildPath '\'; Move-Item -Path $SourceDir -Destination $TargetDir; } function Test-IcingaAgentCertificates() { param( [string]$CertDirectory, [string]$Hostname, [switch]$TestCACert, [switch]$TestTrustedParent, [bool]$Force ); if ($Force) { return $FALSE; } if ($TestCACert) { if (Test-Path (Join-Path -Path $CertDirectory -ChildPath 'ca.crt')) { Write-Host 'Your ca.crt is present. No generation or fetching required'; return $TRUE; } else { Write-Host 'Your ca.crt is not present. Manuall copy or fetching from your Icinga CA is required.'; return $FALSE; } } if ($TestTrustedParent) { if (Test-Path (Join-Path -Path $CertDirectory -ChildPath 'trusted-parent.crt')) { Write-Host 'Your trusted-parent.crt is present. No fetching or generation required'; return $TRUE; } else { Write-Host 'Your trusted master certificate is not present. Fetching from your CA server is required'; return $FALSE; } } if ((-Not (Test-Path ((Join-Path -Path $CertDirectory -ChildPath $Hostname) + '.key'))) ` -Or -Not (Test-Path ((Join-Path -Path $CertDirectory -ChildPath $Hostname) + '.crt'))) { return $FALSE; } [string]$hostCRT = [string]::Format('{0}.crt', $Hostname); [string]$hostKEY = [string]::Format('{0}.key', $Hostname); $certificates = Get-ChildItem -Path $CertDirectory; # Now loop each file and match their name with our hostname foreach ($cert in $certificates) { if ($cert.Name.toLower() -eq $hostCRT.toLower() -Or $cert.Name.toLower() -eq $hostKEY.toLower()) { $file = $cert.Name.Replace('.key', '').Replace('.crt', ''); if (-Not ($file -clike $Hostname)) { Write-Host ([string]::Format('Certificate file {0} is not matching the hostname {1}. Certificate generation is required.', $cert.Name, $Hostname)); return $FALSE; } } } Write-Host 'Icinga host certificates are present and valid. No generation required.'; return $TRUE; } function Copy-IcingaAgentCACertificate() { param( [string]$CAPath, [string]$Desination ); # Copy ca.crt from local path or network share to certificate path if ((Test-Path $CAPath)) { Copy-Item -Path $CAPath -Destination (Join-Path -Path $Desination -ChildPath 'ca.crt') | Out-Null; Write-Host ([string]::Format('Copied ca.crt from "{0}" to "{1}', $CAPath, $Desination)); } else { # It could also be a web ressource try { $response = Invoke-WebRequest $CAPath -UseBasicParsing; [int]$Index = $response.RawContent.IndexOf("`r`n`r`n") + 4; [string]$CAContent = $response.RawContent.SubString( $Index, $response.RawContent.Length - $Index ); Set-Content -Path (Join-Path $Desination -ChildPath 'ca.crt') -Value $CAContent; Write-Host ([string]::Format('Downloaded ca.crt from "{0}" to "{1}', $CAPath, $Desination)) } catch { Write-Host 'Failed to load any provided ca.crt ressource'; return $FALSE; } } return $TRUE; } Export-ModuleMember -Function @('Install-IcingaAgentCertificates'); |