419 lines
15 KiB
PowerShell
419 lines
15 KiB
PowerShell
#!/usr/bin/env pwsh
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# -----------------------------------------------------------------------------------
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# vCenter SSL Automation (Posh-ACME + PowerDNS + vCenter REST CertMgmt)
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# - Uses ~/.config/Posh-ACME/LE_PROD/.../vcenter.scity.us
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# - Files: cert.cer / cert.key / fullchain.cer
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# - vCenter Cert API: /rest/vcenter/certificate-management/vcenter/tls
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# - Auth: CIS REST session token (vmware-api-session-id)
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# -----------------------------------------------------------------------------------
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. /opt/idssys/nodemgmt/conf/powerwall/settings.ps1
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# ----------------------------
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# Logging
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# ----------------------------
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$LogFile = "/opt/idssys/nodemgmt/logs/vc-ssl.log"
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$logDir = Split-Path -Path $LogFile -Parent
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if (-not (Test-Path $logDir)) { New-Item -Path $logDir -ItemType Directory -Force | Out-Null }
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function Write-Log {
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param([string]$Level,[string]$Message,[string]$Color="White")
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$ts = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
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$line = "[{0}] {1}: {2}" -f $ts,$Level.ToUpper(),$Message
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Write-Host $line -ForegroundColor $Color
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Add-Content -Path $LogFile -Value $line
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}
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function Show-Banner {
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param([string]$Text,[string]$Type="INFO")
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switch ($Type.ToUpper()) {
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"SUCCESS" { $C="Green"; $L="SUCCESS" }
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"ERROR" { $C="Red"; $L="ERROR" }
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"WARN" { $C="Yellow"; $L="WARN" }
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default { $C="Cyan"; $L="INFO" }
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}
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$line = "=" * [math]::Max($Text.Length,40)
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Write-Host $line -ForegroundColor $C
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Write-Host "${L}: $Text" -ForegroundColor $C
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Write-Host $line -ForegroundColor $C
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Add-Content -Path $LogFile -Value ("[{0}] {1}: {2}" -f (Get-Date),$L,$Text)
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}
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# ----------------------------
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# Error handling
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# ----------------------------
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$global:helpme = $null
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function Show-Failure {
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param([System.Management.Automation.ErrorRecord]$ErrorRecord)
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$global:helpme = $ErrorRecord.Exception.Message
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Show-Banner -Text $ErrorRecord.Exception.Message -Type "ERROR"
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exit 1
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}
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# ----------------------------
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# Cert fingerprint helper
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# ----------------------------
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function Get-CertFingerprintFromPem {
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param([string]$PemString)
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try {
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$pemBody = $PemString -replace "`r","" -split "`n" |
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Where-Object {$_ -notmatch "^-----" -and $_ -ne ""}
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$bytes = [Convert]::FromBase64String(($pemBody -join ""))
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$cert = [System.Security.Cryptography.X509Certificates.X509Certificate2]::new($bytes)
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$sha256 = [System.Security.Cryptography.SHA256]::Create()
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$hash = $sha256.ComputeHash($cert.RawData)
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return ($hash | ForEach-Object { $_.ToString("X2") }) -join ""
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}
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catch { return $null }
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}
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# ----------------------------
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# Discover Posh-ACME cert folder (Linux/XDG)
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# ----------------------------
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function Find-LocalPACertFolder {
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param([string]$HostName)
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$paRoot = Join-Path $HOME ".config/Posh-ACME"
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if (-not (Test-Path $paRoot)) {
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Write-Log WARN "Posh-ACME config folder not found: $paRoot" Yellow
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return $null
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}
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# Look for folder named exactly like the hostname (e.g. vcenter.scity.us)
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$folders = Get-ChildItem -Path $paRoot -Recurse -Directory -ErrorAction SilentlyContinue |
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Where-Object { $_.Name -eq $HostName }
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if (-not $folders) {
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Write-Log WARN "No matching cert folders found under $paRoot for $HostName" Yellow
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return $null
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}
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$folder = $folders | Select-Object -First 1
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Write-Log INFO "Using Posh-ACME cert folder: $($folder.FullName)" Gray
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return $folder.FullName
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}
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# ----------------------------
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# Load VMware PowerCLI
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# ----------------------------
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if (-not (Get-Module -ListAvailable VMware.PowerCLI)) {
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Install-Module VMware.PowerCLI -Force -Scope AllUsers
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}
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Import-Module VMware.PowerCLI -ErrorAction Stop
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Set-PowerCLIConfiguration -InvalidCertificateAction Ignore -Confirm:$false | Out-Null
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# ----------------------------
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# Connect to vCenter (PowerCLI)
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# ----------------------------
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try {
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Write-Log INFO "Connecting to vCenter $VCENTERHOST..." Cyan
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$vCenterConn = Connect-VIServer -Server $VCENTERHOST -User $VCENTERUSER -Password $VCENTERPASS -Force
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Show-Banner "Connected to vCenter." SUCCESS
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} catch { Show-Failure $_ }
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# Optional: show VMs just to confirm connectivity
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try {
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$vms = Get-VM
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Write-Log INFO "Retrieved $($vms.Count) VMs from vCenter." Cyan
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} catch {
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Write-Log WARN "Unable to retrieve VM list, continuing..." Yellow
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}
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# ----------------------------
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# Load Posh-ACME
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# ----------------------------
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if (-not (Get-Module -ListAvailable Posh-ACME)) {
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Install-Module Posh-ACME -Force -Scope AllUsers
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}
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Import-Module Posh-ACME -ErrorAction Stop
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# ----------------------------
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# ACME / certificate selection logic
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# ----------------------------
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$certSuccess = $false
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$certPath = $keyPath = $chainPath = $null
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$allPACerts = Get-PACertificate -ErrorAction SilentlyContinue
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if ($allPACerts) {
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Write-Log INFO "Found $($allPACerts.Count) Posh-ACME cert(s)." Gray
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foreach ($c in $allPACerts) {
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Write-Log INFO " MainDomain=$($c.MainDomain) SANs=$($c.AllSANs -join ',') Exp=$($c.NotAfter)" Gray
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}
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}
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# Select cert object for VCENTERHOST
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$existingPACert = $allPACerts |
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Where-Object { $_.MainDomain -eq $VCENTERHOST -or ($_.AllSANs -contains $VCENTERHOST) } |
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Sort-Object NotAfter -Descending |
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Select-Object -First 1
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$renewCert = $true
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$skipReason = ""
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# Rule: If existing cert valid >30 days, skip ACME
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if ($existingPACert) {
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$daysLeft = ($existingPACert.NotAfter - (Get-Date)).TotalDays
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Write-Log INFO "Existing cert expires $($existingPACert.NotAfter) (~$([math]::Round($daysLeft)) days)" Gray
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if ($daysLeft -gt 30) {
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$renewCert = $false
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$skipReason = "Existing certificate valid >30 days."
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}
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}
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# Rate-limit safety guard based on Created time
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if ($renewCert -and $existingPACert) {
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$hoursSince = ((Get-Date) - $existingPACert.Created).TotalHours
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if ($hoursSince -lt 168) {
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$renewCert = $false
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$skipReason = "Rate-limit safety: cert issued $([math]::Round($hoursSince)) hours ago (<168h)."
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}
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}
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# -------------------------------------------------------
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# Use existing cert files (no ACME issuance)
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# -------------------------------------------------------
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if (-not $renewCert -and $existingPACert) {
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Write-Log INFO "Skipping ACME issuance: $skipReason" Yellow
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$certFolder = Find-LocalPACertFolder -HostName $VCENTERHOST
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if (-not $certFolder) {
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Show-Banner "Could not locate certificate files on disk. Aborting." ERROR
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exit 1
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}
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# Posh-ACME Linux file layout:
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# cert.cer - leaf cert
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# cert.key - private key
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# fullchain.cer - cert + chain (we'll use this as chain)
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$certPath = Join-Path $certFolder "cert.cer"
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$keyPath = Join-Path $certFolder "cert.key"
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$chainPath = Join-Path $certFolder "fullchain.cer"
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foreach ($f in @($certPath,$keyPath,$chainPath)) {
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if (-not (Test-Path $f)) {
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Write-Log ERROR "Missing certificate file: $f" Red
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exit 1
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}
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}
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$certSuccess = $true
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}
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# -------------------------------------------------------
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# Request new ACME certificate if needed
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# -------------------------------------------------------
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if ($renewCert) {
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Write-Log INFO "Requesting new ACME certificate via Posh-ACME..." Cyan
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$securePDNSAPI = if ($PDNSAPI -is [string]) {
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ConvertTo-SecureString $PDNSAPI -AsPlainText -Force
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} else { $PDNSAPI }
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$pArgs = @{
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PowerDNSApiHost = $WDNSHOST
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PowerDNSApiKey = $securePDNSAPI
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PowerDNSUseTLS = $true
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PowerDNSPort = 443
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PowerDNSServerName = "localhost"
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}
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try {
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New-PACertificate `
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-Domain $VCENTERHOST `
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-DnsPlugin PowerDNS `
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-PluginArgs $pArgs `
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-Contact $ACMEEMAIL `
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-AcceptTOS `
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-DnsSleep 15 `
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-Force `
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-Verbose
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$certFolder = Find-LocalPACertFolder -HostName $VCENTERHOST
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if (-not $certFolder) {
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Show-Banner "ACME succeeded but no cert folder found!" ERROR
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exit 1
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}
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$certPath = Join-Path $certFolder "cert.cer"
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$keyPath = Join-Path $certFolder "cert.key"
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$chainPath = Join-Path $certFolder "fullchain.cer"
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$certSuccess = $true
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Show-Banner "New ACME certificate created." SUCCESS
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}
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catch {
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$msg = $_.Exception.Message
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Write-Log ERROR "ACME failed: $msg" Red
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$global:helpme = $msg
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if ($msg -like "*too many certificates*") {
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Show-Banner "Let’s Encrypt rate limit hit. Using existing cert if possible." WARN
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if (-not $existingPACert) {
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Show-Banner "No fallback cert exists. Aborting." ERROR
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exit 1
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}
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$certFolder = Find-LocalPACertFolder -HostName $VCENTERHOST
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if (-not $certFolder) {
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Show-Banner "Fallback cert folder missing. Aborting." ERROR
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exit 1
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}
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$certPath = Join-Path $certFolder "cert.cer"
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$keyPath = Join-Path $certFolder "cert.key"
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$chainPath = Join-Path $certFolder "fullchain.cer"
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$certSuccess = $true
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}
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else {
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exit 1
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}
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}
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}
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# -------------------------------------------------------
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# Cert sanity check
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# -------------------------------------------------------
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foreach ($f in @($certPath,$keyPath,$chainPath)) {
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if (-not (Test-Path $f)) {
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Write-Log ERROR "Missing certificate file: $f" Red
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exit 1
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}
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}
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Write-Log INFO "Using certificate files:" Green
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Write-Log INFO " CERT : $certPath" Green
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Write-Log INFO " KEY : $keyPath" Green
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Write-Log INFO " CHAIN: $chainPath" Green
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# -------------------------------------------------------
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# Create CIS REST session (vmware-api-session-id)
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# -------------------------------------------------------
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try {
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$loginUri = "https://$VCENTERHOST/rest/com/vmware/cis/session"
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$creds = "$VCENTERUSER`:$VCENTERPASS"
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$authHeader = "Basic " + [Convert]::ToBase64String([Text.Encoding]::UTF8.GetBytes($creds))
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$sessionResponse = Invoke-RestMethod -Uri $loginUri `
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-Method Post `
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-Headers @{ Authorization = $authHeader } `
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-SkipCertificateCheck `
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-ErrorAction Stop
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$sessionToken = $sessionResponse.value
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$restHeaders = @{ "vmware-api-session-id" = $sessionToken }
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Write-Log INFO "CIS REST session established." Green
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}
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catch {
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Show-Banner "Failed to create CIS REST session: $($_.Exception.Message)" ERROR
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exit 1
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}
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# -------------------------------------------------------
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# OPTIONAL: compare fingerprints using REST cert GET
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# -------------------------------------------------------
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$updateNeeded = $true
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try {
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$getUri = "https://$VCENTERHOST/rest/vcenter/certificate-management/vcenter/tls"
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$resp = Invoke-RestMethod -Uri $getUri -Method Get -Headers $restHeaders -SkipCertificateCheck -ErrorAction Stop
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$currentPem = $resp.value.cert
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if ($currentPem) {
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$currentFp = Get-CertFingerprintFromPem $currentPem
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$newFp = Get-CertFingerprintFromPem (Get-Content -Raw $certPath)
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if ($currentFp -and $newFp -and ($currentFp -eq $newFp)) {
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Show-Banner "vCenter certificate already matches Posh-ACME certificate. No update needed." SUCCESS
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$updateNeeded = $false
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} else {
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Write-Log INFO "vCenter certificate differs from Posh-ACME cert. Update required." Yellow
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}
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} else {
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Write-Log WARN "vCenter cert GET did not return 'cert'. Assuming update required." Yellow
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}
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}
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catch {
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Write-Log WARN "Could not read vCenter certificate via REST; assuming update required. $($_.Exception.Message)" Yellow
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}
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# -------------------------------------------------------
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# Upload + apply certificate via /rest/vcenter/certificate-management/vcenter/tls
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# -------------------------------------------------------
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$restartNeeded = $false
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if ($updateNeeded) {
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try {
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$uploadUri = "https://$VCENTERHOST/rest/vcenter/certificate-management/vcenter/tls"
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$applyUri = "https://$VCENTERHOST/rest/vcenter/certificate-management/vcenter/tls?action=apply"
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$body = @{
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cert = Get-Content -Raw $certPath
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key = Get-Content -Raw $keyPath
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chain = Get-Content -Raw $chainPath
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}
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Write-Log INFO "Uploading certificate to vCenter via /rest/vcenter/certificate-management..." Cyan
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Invoke-RestMethod -Uri $uploadUri `
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-Method Post `
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-Headers $restHeaders `
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-ContentType "application/json" `
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-Body ($body | ConvertTo-Json -Compress) `
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-SkipCertificateCheck `
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-ErrorAction Stop
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Write-Log INFO "Applying uploaded certificate..." Cyan
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Invoke-RestMethod -Uri $applyUri `
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-Method Post `
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-Headers $restHeaders `
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-SkipCertificateCheck `
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-ErrorAction Stop
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Show-Banner "Certificate successfully uploaded and applied to vCenter." SUCCESS
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$restartNeeded = $true
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}
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catch {
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Show-Banner "Failed to upload/apply certificate: $($_.Exception.Message)" ERROR
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$restartNeeded = $false
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}
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}
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else {
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Write-Log INFO "Skipping certificate upload/apply (already up to date)." Green
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}
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# -------------------------------------------------------
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# Restart vpxd (try REST, then show SSH fallback)
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# -------------------------------------------------------
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if ($restartNeeded) {
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$maxRetries = 20
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$healthUri = "https://$VCENTERHOST/rest/appliance/health/system"
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$restartUri = "https://$VCENTERHOST/rest/appliance/system/services/vpxd?action=restart"
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$restRestartSucceeded = $false
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for ($i=1; $i -le $maxRetries -and -not $restRestartSucceeded; $i++) {
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try {
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Invoke-RestMethod -Uri $healthUri -Method Get -Headers $restHeaders -SkipCertificateCheck -ErrorAction Stop
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Write-Log INFO "Requesting vpxd restart via REST..." Cyan
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Invoke-RestMethod -Uri $restartUri -Method Post -Headers $restHeaders -SkipCertificateCheck -ErrorAction Stop
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Show-Banner "vpxd restart requested successfully via REST." SUCCESS
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$restRestartSucceeded = $true
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}
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catch {
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$msg = $_.Exception.Message
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Write-Log WARN "vpxd REST restart attempt $i/$maxRetries failed: $msg" Yellow
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if ($msg -like "*404*" -or $msg -like "*Not Found*") {
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Write-Log WARN "vpxd REST endpoint not available (404). Falling back to SSH instructions." Yellow
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break
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}
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Start-Sleep -Seconds 15
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}
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}
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if (-not $restRestartSucceeded) {
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Show-Banner "Automatic vpxd restart not confirmed via REST. Please restart manually via SSH:" WARN
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Write-Host " ssh root@$VCENTERHOST 'service-control --stop vpxd; service-control --start vpxd'" -ForegroundColor Yellow
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}
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}
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Show-Banner "Script complete. Log: $LogFile" INFO
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