Private/helper-functions.ps1
|
function Write-ToReport { param( [string]$Message ) # if ($Global:Report) { Add-Content -Path $ReportFile -Value $Message # } } function Generate-K8sTextReport { param ( [string]$ReportFile = "$pwd/kubebuddy-report.txt", [switch]$ExcludeNamespaces ) $Global:MakeReport = $true # Clear existing report if any if (Test-Path $ReportFile) { Remove-Item $ReportFile -Force } Write-ToReport "--- Kubernetes Cluster Report ---" Write-ToReport "Timestamp: $(Get-Date)" Write-ToReport "---------------------------------" $cursorPos = "" # Run each check in report mode $cursorPos = $Host.UI.RawUI.CursorPosition Write-Host -NoNewline "`n🤖 Fetching Cluster Summary...`n" -ForegroundColor Yellow Write-ToReport "`n[🌐 Cluster Summary]`n" Show-ClusterSummary $cursorEndPos = $Host.UI.RawUI.CursorPosition $Host.UI.RawUI.CursorPosition = $cursorPos Write-Host "`n🤖 Cluster Summary fetched. " -ForegroundColor Green $Host.UI.RawUI.CursorPosition = $cursorEndPos Write-Host "" $cursorPos = $Host.UI.RawUI.CursorPosition Write-Host -NoNewline "🤖 Fetching Node Information..." -ForegroundColor Yellow Show-NodeConditions Show-NodeResourceUsage $cursorEndPos = $Host.UI.RawUI.CursorPosition $Host.UI.RawUI.CursorPosition = $cursorPos Write-Host "🤖 Node Information fetched. " -ForegroundColor Green $Host.UI.RawUI.CursorPosition = $cursorEndPos Write-Host "" $cursorPos = $Host.UI.RawUI.CursorPosition Write-Host -NoNewline "🤖 Fetching Namespace Information." -ForegroundColor Yellow Show-EmptyNamespaces -ExcludeNamespaces:$ExcludeNamespaces $cursorEndPos = $Host.UI.RawUI.CursorPosition $Host.UI.RawUI.CursorPosition = $cursorPos Write-Host "🤖 Namespace Information fetched. " -ForegroundColor Green $Host.UI.RawUI.CursorPosition = $cursorEndPos Write-Host "" $cursorPos = $Host.UI.RawUI.CursorPosition Write-Host -NoNewline "🤖 Fetching Workload Information." -ForegroundColor Yellow Show-DaemonSetIssues -ExcludeNamespaces:$ExcludeNamespaces $cursorEndPos = $Host.UI.RawUI.CursorPosition $Host.UI.RawUI.CursorPosition = $cursorPos Write-Host "🤖 Workload Information fetched. " -ForegroundColor Green $Host.UI.RawUI.CursorPosition = $cursorEndPos Write-Host "" $cursorPos = $Host.UI.RawUI.CursorPosition Write-Host -NoNewline "🤖 Fetching Pod Information..." -ForegroundColor Yellow Show-PodsWithHighRestarts -ExcludeNamespaces:$ExcludeNamespaces Show-LongRunningPods -ExcludeNamespaces:$ExcludeNamespaces Show-FailedPods -ExcludeNamespaces:$ExcludeNamespaces Show-PendingPods -ExcludeNamespaces:$ExcludeNamespaces Show-CrashLoopBackOffPods -ExcludeNamespaces:$ExcludeNamespaces Show-LeftoverDebugPods -ExcludeNamespaces:$ExcludeNamespaces $cursorEndPos = $Host.UI.RawUI.CursorPosition $Host.UI.RawUI.CursorPosition = $cursorPos Write-Host "🤖 Pod Information fetched. " -ForegroundColor Green $Host.UI.RawUI.CursorPosition = $cursorEndPos Write-Host "" $cursorPos = $Host.UI.RawUI.CursorPosition Write-Host -NoNewline "🤖 Fetching Job Information..." -ForegroundColor Yellow Show-StuckJobs -ExcludeNamespaces:$ExcludeNamespaces Show-FailedJobs -ExcludeNamespaces:$ExcludeNamespaces $cursorEndPos = $Host.UI.RawUI.CursorPosition $Host.UI.RawUI.CursorPosition = $cursorPos Write-Host "🤖 Job Information fetched. " -ForegroundColor Green $Host.UI.RawUI.CursorPosition = $cursorEndPos Write-Host "" $cursorPos = $Host.UI.RawUI.CursorPosition Write-Host -NoNewline "🤖 Fetching Service Information." -ForegroundColor Yellow Show-ServicesWithoutEndpoints -ExcludeNamespaces:$ExcludeNamespaces Check-PubliclyAccessibleServices -ExcludeNamespaces:$ExcludeNamespaces $cursorEndPos = $Host.UI.RawUI.CursorPosition $Host.UI.RawUI.CursorPosition = $cursorPos Write-Host "🤖 Service Information fetched. " -ForegroundColor Green $Host.UI.RawUI.CursorPosition = $cursorEndPos Write-Host "" $cursorPos = $Host.UI.RawUI.CursorPosition Write-Host -NoNewline "🤖 Fetching Storage Information." -ForegroundColor Yellow Show-UnusedPVCs -ExcludeNamespaces:$ExcludeNamespaces $cursorEndPos = $Host.UI.RawUI.CursorPosition $Host.UI.RawUI.CursorPosition = $cursorPos Write-Host "🤖 Storage Information fetched. " -ForegroundColor Green $Host.UI.RawUI.CursorPosition = $cursorEndPos Write-Host "" $cursorPos = $Host.UI.RawUI.CursorPosition Write-Host -NoNewline "🤖 Fetching Security Information." -ForegroundColor Yellow Check-RBACMisconfigurations -ExcludeNamespaces:$ExcludeNamespaces Check-OrphanedConfigMaps -ExcludeNamespaces:$ExcludeNamespaces Check-OrphanedSecrets -ExcludeNamespaces:$ExcludeNamespaces Check-PodsRunningAsRoot -ExcludeNamespaces:$ExcludeNamespaces Check-PrivilegedContainers -ExcludeNamespaces:$ExcludeNamespaces Check-HostPidAndNetwork -ExcludeNamespaces:$ExcludeNamespaces $cursorEndPos = $Host.UI.RawUI.CursorPosition $Host.UI.RawUI.CursorPosition = $cursorPos Write-Host "🤖 Security Information fetched. " -ForegroundColor Green $Host.UI.RawUI.CursorPosition = $cursorEndPos Write-Host "" $cursorPos = $Host.UI.RawUI.CursorPosition Write-Host -NoNewline "🤖 Fetching Kube Events." -ForegroundColor Yellow show-KubeEvents $cursorEndPos = $Host.UI.RawUI.CursorPosition $Host.UI.RawUI.CursorPosition = $cursorPos Write-Host "🤖 Kube Events fetched. " -ForegroundColor Green if ($aks) { $Host.UI.RawUI.CursorPosition = $cursorEndPos Write-Host "" $cursorPos = $Host.UI.RawUI.CursorPosition Write-Host -NoNewline "🤖 Fetching AKS Information." -ForegroundColor Yellow Invoke-AKSBestPractices -SubscriptionId $SubscriptionId -ResourceGroup $ResourceGroup -ClusterName $ClusterName $cursorEndPos = $Host.UI.RawUI.CursorPosition $Host.UI.RawUI.CursorPosition = $cursorPos Write-Host "🤖 AKS Information fetched. " -ForegroundColor Green } $Host.UI.RawUI.CursorPosition = $cursorEndPos $Global:MakeReport = $false } function Get-KubeBuddyThresholds { param( [switch]$Silent # Suppress output when set ) $configPath = "$HOME/.kube/kubebuddy-config.yaml" if (Test-Path $configPath) { try { # Read the YAML file and convert it to a PowerShell object $configContent = Get-Content -Raw $configPath | ConvertFrom-Yaml if ($configContent -and $configContent.thresholds) { return $configContent.thresholds } else { if (-not $Silent) { Write-Host "`n⚠️ Config found, but missing 'thresholds' section. Using defaults..." -ForegroundColor Yellow } } } catch { if (-not $Silent) { Write-Host "`n❌ Failed to parse config file. Using defaults..." -ForegroundColor Red } } } else { if (-not $Silent) { Write-Host "`n⚠️ No config found. Using default thresholds..." -ForegroundColor Yellow } } # Return default thresholds if no valid config is found return @{ cpu_warning = 50 cpu_critical = 75 mem_warning = 50 mem_critical = 75 restarts_warning = 3 restarts_critical = 5 pod_age_warning = 15 pod_age_critical = 40 stuck_job_hours = 2 failed_job_hours = 2 event_errors_warning = 10 event_errors_critical = 20 event_warnings_warning = 50 event_warnings_critical = 100 } } function Get-ExcludedNamespaces { $config = Get-KubeBuddyThresholds -Silent if ($config -and $config.ContainsKey("excluded_namespaces")) { return $config["excluded_namespaces"] } return @( "kube-system", "kube-public", "kube-node-lease", "local-path-storage", "kube-flannel", "tigera-operator", "calico-system", "coredns", "aks-istio-system" ) } function Exclude-Namespaces { param([array]$items) $excludedNamespaces = Get-ExcludedNamespaces $excludedSet = $excludedNamespaces | ForEach-Object { $_.ToLowerInvariant() } return $items | Where-Object { if ($_ -is [string]) { $_.ToLowerInvariant() -notin $excludedSet } elseif ($_.metadata) { $ns = if ($_.metadata.namespace) { $_.metadata.namespace } elseif ($_.metadata.name) { $_.metadata.name } else { $null } $ns -and $ns.ToLowerInvariant() -notin $excludedSet } else { $true } } } function Show-Pagination { param( [int]$currentPage, [int]$totalPages ) Write-Host "`nPage $($currentPage + 1) of $totalPages" $options = @() if ($currentPage -lt ($totalPages - 1)) { $options += "N = Next" } if ($currentPage -gt 0) { $options += "P = Previous" } $options += "C = Continue" # Ensure 'P' does not appear on the first page if ($currentPage -eq 0) { $options = $options -notmatch "P = Previous" } # Ensure 'N' does not appear on the last page if ($currentPage -eq ($totalPages - 1)) { $options = $options -notmatch "N = Next" } # Display available options Write-Host ($options -join ", ") -ForegroundColor Yellow do { $paginationInput = Read-Host "Enter your choice" } while ($paginationInput -notmatch "^[NnPpCc]$" -or ($paginationInput -match "^[Nn]$" -and $currentPage -eq ($totalPages - 1)) -or ($paginationInput -match "^[Pp]$" -and $currentPage -eq 0)) if ($paginationInput -match "^[Nn]$") { return $currentPage + 1 } elseif ($paginationInput -match "^[Pp]$") { return $currentPage - 1 } elseif ($paginationInput -match "^[Cc]$") { return -1 } # Exit pagination } |