Private/namespaces-functions.ps1
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function Show-EmptyNamespaces { param( [int]$PageSize = 10, # Number of namespaces per page [switch]$Html, # If specified, return an HTML table [object]$kubeData, [switch]$json, [switch]$ExcludeNamespaces ) if (-not $Global:MakeReport -and -not $Html -and -not $json) { Clear-Host } Write-Host "`n[📂 Empty Namespaces]" -ForegroundColor Cyan Write-Host -NoNewline "`n🤖 Fetching Namespace Data..." -ForegroundColor Yellow # Fetch full namespace objects first if ($KubeData -and $KubeData.Namespaces) { $allNamespaces = $KubeData.Namespaces } else { $allNamespaces = kubectl get namespaces -o json | ConvertFrom-Json | Select-Object -ExpandProperty items } # Apply exclusion early, while they’re still objects if ($ExcludeNamespaces) { $allNamespaces = Exclude-Namespaces -items $allNamespaces } # Now extract the namespace names to check $allNsNames = $allNamespaces | ForEach-Object { $_.metadata.name.Trim() } # Get pod namespaces if ($KubeData -and $KubeData.Pods) { $pods = $KubeData.Pods.items | Where-Object { $_.metadata.namespace -and $_.metadata.namespace.Trim() -ne "" } | Group-Object { $_.metadata.namespace.Trim() } } else { $pods = kubectl get pods --all-namespaces -o json | ConvertFrom-Json | Select-Object -ExpandProperty items | Where-Object { $_.metadata.namespace } | Group-Object { $_.metadata.namespace } } $namespacesWithPods = $pods | ForEach-Object { $_.Name.Trim() } # Calculate empty namespaces $emptyNamespaces = $allNsNames | Where-Object { $_ -notin $namespacesWithPods } # Force split into an array if it's a multiline string if ($emptyNamespaces -is [string]) { $emptyNamespaces = $emptyNamespaces -split "`n" | ForEach-Object { $_.Trim() } | Where-Object { $_ -ne "" } } else { $emptyNamespaces = @($emptyNamespaces) } $totalNamespaces = $emptyNamespaces.Count if ($totalNamespaces -eq 0) { Write-Host "`r🤖 ✅ No empty namespaces found." -ForegroundColor Green if ($Json) { return [pscustomobject]@{ TotalEmptyNamespaces = 0 Namespaces = @() } } if ($Global:MakeReport -and -not $Html) { Write-ToReport "`n[📂 Empty Namespaces]`n" Write-ToReport "✅ No empty namespaces found." } # If not in report mode or HTML mode, prompt to continue if (-not $Global:MakeReport -and -not $Html) { Read-Host "🤖 Press Enter to return to the menu" } if ($Html) { return "<p><strong>✅ No empty namespaces found.</strong></p>" } return } Write-Host "`r🤖 ✅ Namespaces fetched. ($totalNamespaces empty namespaces detected)" -ForegroundColor Green if ($Json) { return [pscustomobject]@{ TotalEmptyNamespaces = $totalNamespaces Namespaces = $emptyNamespaces } } # ----- HTML SWITCH ----- if ($Html) { # Build an HTML table. Each row => one namespace # Convert the array into PSCustomObjects first $namespacesData = $emptyNamespaces | ForEach-Object { [PSCustomObject]@{ "Namespace" = $_ } } # Convert to HTML $htmlTable = $namespacesData | ConvertTo-Html -Fragment -Property "Namespace" | Out-String # Insert a note about total empty $htmlTable = "<p><strong>⚠️ Total Empty Namespaces:</strong> $totalNamespaces</p>" + $htmlTable return $htmlTable } # ----- END HTML SWITCH ----- # ----- If in report mode, but no -Html switch, do original ascii printing ----- if ($Global:MakeReport) { Write-ToReport "`n[📂 Empty Namespaces]`n" Write-ToReport "⚠️ Total Empty Namespaces: $totalNamespaces" Write-ToReport "---------------------------------" foreach ($namespace in $emptyNamespaces) { Write-ToReport "$namespace" } return } # ----- Otherwise, do console pagination as before ----- $currentPage = 0 $totalPages = [math]::Ceiling($totalNamespaces / $PageSize) do { Clear-Host Write-Host "`n[📂 Empty Namespaces - Page $($currentPage + 1) of $totalPages]" -ForegroundColor Cyan # Speech bubble $msg = @( "🤖 Empty namespaces exist but contain no running pods.", "", "📌 These may be unused namespaces that can be cleaned up.", "📌 If needed, verify if they contain other resources (Secrets, PVCs).", "📌 Deleting an empty namespace will remove all associated resources.", "", "⚠️ Total Empty Namespaces: $totalNamespaces" ) if ($currentPage -eq 0) { Write-SpeechBubble -msg $msg -color "Cyan" -icon "🤖" -lastColor "Red" -delay 50 # first page only } # Display current page $startIndex = $currentPage * $PageSize $endIndex = [math]::Min($startIndex + $PageSize, $totalNamespaces) $tableData = $emptyNamespaces | Select-Object -Skip $startIndex -First ($endIndex - $startIndex) | ForEach-Object { [PSCustomObject]@{ Namespace = $_ } } if ($tableData) { $tableData | Format-Table Namespace -AutoSize | Out-Host } # Pagination $newPage = Show-Pagination -currentPage $currentPage -totalPages $totalPages if ($newPage -eq -1) { break } $currentPage = $newPage } while ($true) } function Check-ResourceQuotas { param( [object]$KubeData, [string]$Namespace = "", [int]$PageSize = 10, [switch]$Html, [switch]$Json, [switch]$ExcludeNamespaces ) if (-not $Global:MakeReport -and -not $Html -and -not $Json) { Clear-Host } Write-Host "`n[📊 Missing or Weak ResourceQuotas]" -ForegroundColor Cyan if (-not $Global:MakeReport -and -not $Html -and -not $Json) { Write-Host -NoNewline "`n🤖 Fetching ResourceQuota data..." -ForegroundColor Yellow } try { $quotas = if ($KubeData -and $KubeData.ResourceQuotas) { $KubeData.ResourceQuotas } else { $raw = if ($Namespace) { kubectl get resourcequotas -n $Namespace -o json 2>&1 } else { kubectl get resourcequotas --all-namespaces -o json 2>&1 } if ($raw -match "No resources found") { $quotas = @() } else { ($raw | ConvertFrom-Json).items } } $namespaces = if ($KubeData -and $KubeData.Namespaces) { $KubeData.Namespaces } else { kubectl get namespaces -o json | ConvertFrom-Json | Select-Object -ExpandProperty items } } catch { Write-Host "`r🤖 ❌ Error retrieving ResourceQuota data: $_" -ForegroundColor Red if ($Html) { return "<p><strong>❌ Error retrieving ResourceQuota data.</strong></p>" } if ($Json) { return @{ Error = "$_" } } return } if ($ExcludeNamespaces) { $namespaces = Exclude-Namespaces -items $namespaces $quotaNamespaces = $namespaces | ForEach-Object { $_.metadata.name } $quotas = $quotas | Where-Object { $_.metadata.namespace -in $quotaNamespaces } } $results = @() foreach ($ns in $namespaces) { $nsName = $ns.metadata.name $nsQuotas = $quotas | Where-Object { $_.metadata.namespace -eq $nsName } if (-not $nsQuotas) { $results += [PSCustomObject]@{ Namespace = $nsName Issue = "❌ No ResourceQuota defined" } } else { $hasCPU = $false $hasMemory = $false $hasPods = $false foreach ($quota in $nsQuotas) { $scopes = $quota.status.hard.PSObject.Properties.Name if ($scopes -contains "requests.cpu" -or $scopes -contains "limits.cpu") { $hasCPU = $true } if ($scopes -contains "requests.memory" -or $scopes -contains "limits.memory") { $hasMemory = $true } if ($scopes -contains "pods") { $hasPods = $true } } if (-not ($hasCPU -and $hasMemory -and $hasPods)) { $missing = @() if (-not $hasCPU) { $missing += "CPU" } if (-not $hasMemory) { $missing += "Memory" } if (-not $hasPods) { $missing += "Pods" } $results += [PSCustomObject]@{ Namespace = $nsName Issue = "⚠️ Missing: $($missing -join ', ')" } } } } $total = $results.Count if ($total -eq 0) { if ($Html) { return "<p><strong>✅ All namespaces have strong ResourceQuotas.</strong></p>" } if ($Json) { return @{ Total = 0; Items = @() } } Write-Host "`r🤖 ✅ All namespaces have strong ResourceQuotas." -ForegroundColor Green return } Write-Host "`r🤖 ✅ ResourceQuota issues found. ($total affected namespaces)" -ForegroundColor Green if ($Json) { return @{ Total = $total; Items = $results } } if ($Html) { $htmlTable = $results | Sort-Object Namespace | ConvertTo-Html -Fragment -Property Namespace, Issue | Out-String return "<p><strong>⚠️ Namespaces with ResourceQuota issues:</strong> $total</p>" + $htmlTable } if ($Global:MakeReport) { Write-ToReport "`n[📊 Missing or Weak ResourceQuotas]`n" Write-ToReport "⚠️ Total Issues: $total" $tableString = $results | Format-Table Namespace, Issue -AutoSize | Out-String Write-ToReport $tableString return } $currentPage = 0 $totalPages = [math]::Ceiling($total / $PageSize) do { Clear-Host Write-Host "`n[📊 ResourceQuota Issues - Page $($currentPage + 1) of $totalPages]" -ForegroundColor Cyan if ($currentPage -eq 0) { Write-SpeechBubble -msg @( "🤖 These namespaces lack full ResourceQuota enforcement.", "", "📌 Why this matters:", " - Quotas protect the cluster from resource abuse.", " - Helps prevent noisy neighbor issues.", "", "⚠️ Total Issues: $total" ) -color "Cyan" -icon "🤖" -lastColor "Red" -delay 50 } $paged = $results | Select-Object -Skip ($currentPage * $PageSize) -First $PageSize if ($paged) { $paged | Format-Table Namespace, Issue -AutoSize | Out-Host } $newPage = Show-Pagination -currentPage $currentPage -totalPages $totalPages if ($newPage -eq -1) { break } $currentPage = $newPage } while ($true) } function Check-NamespaceLimitRanges { param( [object]$KubeData, [int]$PageSize = 10, [switch]$Html, [switch]$Json, [switch]$ExcludeNamespaces ) if (-not $Global:MakeReport -and -not $Html -and -not $Json) { Clear-Host } Write-Host "`n[📐 Missing LimitRanges]" -ForegroundColor Cyan if (-not $Global:MakeReport -and -not $Html -and -not $Json) { Write-Host -NoNewline "`n🤖 Fetching LimitRange data..." -ForegroundColor Yellow } try { $limitRanges = if ($KubeData -and $KubeData.LimitRanges) { $KubeData.LimitRanges } else { kubectl get limitranges --all-namespaces -o json | ConvertFrom-Json | Select-Object -ExpandProperty items } $namespaces = if ($KubeData -and $KubeData.Namespaces) { $KubeData.Namespaces } else { kubectl get namespaces -o json | ConvertFrom-Json | Select-Object -ExpandProperty items } } catch { Write-Host "`r🤖 ❌ Error fetching LimitRanges: $_" -ForegroundColor Red if ($Html) { return "<p><strong>❌ Error retrieving LimitRange data.</strong></p>" } if ($Json) { return @{ Error = "$_" } } return } if ($ExcludeNamespaces) { $namespaces = Exclude-Namespaces -items $namespaces $validNamespaces = $namespaces | ForEach-Object { $_.metadata.name } $limitRanges = $limitRanges | Where-Object { $_.metadata.namespace -in $validNamespaces } } $results = @() foreach ($ns in $namespaces) { $nsName = $ns.metadata.name $hasLimitRange = $limitRanges | Where-Object { $_.metadata.namespace -eq $nsName } if (-not $hasLimitRange) { $results += [PSCustomObject]@{ Namespace = $nsName Issue = "❌ No LimitRange defined" } } } $total = $results.Count if ($total -eq 0) { if ($Html) { return "<p><strong>✅ All namespaces have a LimitRange.</strong></p>" } if ($Json) { return @{ Total = 0; Items = @() } } Write-Host "`r🤖 ✅ All namespaces have a LimitRange." -ForegroundColor Green return } Write-Host "`r🤖 ✅ LimitRange issues found. ($total namespaces affected)" -ForegroundColor Green if ($Json) { return @{ Total = $total; Items = $results } } if ($Html) { $htmlTable = $results | Sort-Object Namespace | ConvertTo-Html -Fragment -Property Namespace, Issue | Out-String return "<p><strong>⚠️ Namespaces missing LimitRanges:</strong> $total</p>" + $htmlTable } if ($Global:MakeReport) { Write-ToReport "`n[📐 Missing LimitRanges]`n⚠️ Total: $total" $tableString = $results | Format-Table Namespace, Issue -AutoSize | Out-String Write-ToReport $tableString return } $currentPage = 0 $totalPages = [math]::Ceiling($total / $PageSize) do { Clear-Host Write-Host "`n[📐 LimitRange Issues - Page $($currentPage + 1) of $totalPages]" -ForegroundColor Cyan if ($currentPage -eq 0) { Write-SpeechBubble -msg @( "🤖 LimitRanges define default and max CPU/memory limits for containers.", "", "📌 Why this matters:", " - Prevents runaway pods from consuming unbounded resources.", " - Sets defaults if workloads don’t define them explicitly.", "", "⚠️ Total affected namespaces: $total" ) -color "Cyan" -icon "🤖" -lastColor "Red" -delay 50 } $paged = $results | Select-Object -Skip ($currentPage * $PageSize) -First $PageSize if ($paged) { $paged | Format-Table Namespace, Issue -AutoSize | Out-Host } $newPage = Show-Pagination -currentPage $currentPage -totalPages $totalPages if ($newPage -eq -1) { break } $currentPage = $newPage } while ($true) } |