Private/helper-functions.ps1
function Write-ToReport { param( [string]$Message ) Add-Content -Path $ReportFile -Value $Message } function Generate-K8sTextReport { param ( [string]$ReportFile = "$pwd/kubebuddy-report.txt", [switch]$ExcludeNamespaces, [object]$KubeData, [switch]$Aks, [string]$SubscriptionId, [string]$ResourceGroup, [string]$ClusterName ) if (Test-Path $ReportFile) { Remove-Item $ReportFile -Force } Write-ToReport "--- Kubernetes Cluster Report ---" Write-ToReport "Timestamp: $(Get-Date)" Write-ToReport "---------------------------------" Write-ToReport "`n[🌐 Cluster Summary]`n" $summaryOutput = Show-ClusterSummary -Text Write-ToReport $summaryOutput Write-Host "`n🤖 Cluster Summary fetched." -ForegroundColor Green $yamlCheckResults = Invoke-yamlChecks -Text -KubeData $KubeData -ExcludeNamespaces:$ExcludeNamespaces foreach ($check in $yamlCheckResults.Items) { Write-ToReport "`n[$($check.ID) - $($check.Name)]" Write-ToReport "Section: $($check.Section)" Write-ToReport "Category: $($check.Category)" Write-ToReport "Severity: $($check.Severity)" Write-ToReport "Recommendation: $($check.Recommendation)" if ($check.URL) { Write-ToReport "URL: $($check.URL)" } if ($check.Total -eq 0) { Write-ToReport "✅ No issues detected for $($check.Name)." } else { Write-ToReport "⚠️ Total Issues: $($check.Total)" if ($check.Items) { $columns = $check.Items | ForEach-Object { $_.PSObject.Properties.Name } | Group-Object | Sort-Object Count -Descending | Select-Object -ExpandProperty Name -Unique foreach ($item in $check.Items) { $lineParts = @() foreach ($col in $columns) { if ($item.PSObject.Properties.Name -contains $col) { $lineParts += "${col}: $($item.$col)" } } Write-ToReport ("- " + ($lineParts -join " | ")) } } } } if ($Aks) { Write-ToReport -Message "`n[✅ AKS Best Practices Check]`n" $aksResults = Invoke-AKSBestPractices -Text -SubscriptionId $SubscriptionId -ResourceGroup $ResourceGroup -ClusterName $ClusterName -KubeData:$KubeData Write-Host "`n🤖 AKS Information fetched." -ForegroundColor Green # Write individual AKS check results foreach ($check in $aksResults.Items) { Write-ToReport -Message "`n[$($check.ID) - $($check.Name)]" Write-ToReport -Message "Category: $($check.Category)" Write-ToReport -Message "Severity: $($check.Severity)" Write-ToReport -Message "Recommendation: $($check.Recommendation)" if ($check.URL) { Write-ToReport -Message "URL: $($check.URL)" } if ($check.Total -eq 0) { Write-ToReport -Message "✅ No issues detected for $($check.Name)." } else { Write-ToReport -Message "⚠️ Total Issues: $($check.Total)" if ($check.Items) { foreach ($item in $check.Items) { $lineParts = @() foreach ($prop in $item.PSObject.Properties.Name) { $lineParts += "${prop}: $($item.$prop)" } Write-ToReport -Message ("- " + ($lineParts -join " | ")) } } } } # Write the AKS summary Write-ToReport -Message ($aksResults.TextOutput -join "`n") } $score = Get-ClusterHealthScore -Checks $yamlCheckResults.Items Write-ToReport "`n🩺 Cluster Health Score: $score / 100" } function Get-KubeBuddyThresholds { param([switch]$Silent) $configPath = "$HOME/.kube/kubebuddy-config.yaml" if (Test-Path $configPath) { try { $config = Get-Content -Raw $configPath | ConvertFrom-Yaml return @{ cpu_warning = $config.thresholds.cpu_warning ?? 50 cpu_critical = $config.thresholds.cpu_critical ?? 75 mem_warning = $config.thresholds.mem_warning ?? 50 mem_critical = $config.thresholds.mem_critical ?? 75 restarts_warning = $config.thresholds.restarts_warning ?? 3 restarts_critical = $config.thresholds.restarts_critical ?? 5 pod_age_warning = $config.thresholds.pod_age_warning ?? 15 pod_age_critical = $config.thresholds.pod_age_critical ?? 40 stuck_job_hours = $config.thresholds.stuck_job_hours ?? 2 failed_job_hours = $config.thresholds.failed_job_hours ?? 2 event_errors_warning = $config.thresholds.event_errors_warning ?? 10 event_errors_critical = $config.thresholds.event_errors_critical ?? 20 event_warnings_warning = $config.thresholds.event_warnings_warning ?? 50 event_warnings_critical = $config.thresholds.event_warnings_critical ?? 100 excluded_checks = $config.excluded_checks ?? @() trusted_registries = $config.trusted_registries ?? @("mcr.microsoft.com/") } } catch { if (-not $Silent) { Write-Host "`n❌ Failed to parse config. Using defaults..." -ForegroundColor Red } } } 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 excluded_checks = @() trusted_registries = @("mcr.microsoft.com/") } } 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 } # Function to detect if running in any container function Test-IsContainer { if ((Test-Path "/.dockerenv") -or (Test-Path "/run/.containerenv")) { return $true } try { $cgroup = Get-Content "/proc/1/cgroup" -ErrorAction SilentlyContinue if ($cgroup -match "docker|kubepods|crio|containerd") { return $true } } catch {} if ($env:container) { return $true } return $false } |