functions/kubernetes/pods/WaitForPodsInNamespace.ps1
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<#
.SYNOPSIS WaitForPodsInNamespace .DESCRIPTION WaitForPodsInNamespace .INPUTS WaitForPodsInNamespace - The name of WaitForPodsInNamespace .OUTPUTS None .EXAMPLE WaitForPodsInNamespace .EXAMPLE WaitForPodsInNamespace #> function WaitForPodsInNamespace() { [CmdletBinding()] param ( [Parameter(Mandatory = $true)] [ValidateNotNullOrEmpty()] [string] $namespace , [Parameter(Mandatory = $true)] [int] $interval ) Write-Verbose 'WaitForPodsInNamespace: Starting' [hashtable]$Return = @{} [string] $podsText = $(kubectl get pods -n $namespace -o jsonpath='{.items[*].metadata.name}') [string] $waitingonPodText = "n" [int] $counter = 0 [bool] $failed = $false Do { $waitingonPodText = "" Write-Host "---- waiting until all pods are running in namespace $namespace ---" Start-Sleep -Seconds $interval $counter++ $podsText = $(kubectl get pods -n $namespace -o jsonpath='{.items[*].metadata.name}') if ([string]::IsNullOrWhiteSpace($podsText)) { throw "No pods were found in namespace $namespace" } [string[]] $pods = $podsText.Split(" ") foreach ($pod in $pods) { [string] $podstatus = $(kubectl get pods $pod -n $namespace -o jsonpath='{.status.phase}') if ($podstatus -eq "Running") { # nothing to do } elseif ($podstatus -eq "Pending") { # Write-Verbose "${pod}: $podstatus" [string] $containerReady = $(kubectl get pods $pod -n $namespace -o jsonpath="{.status.containerStatuses[0].ready}") if ($containerReady -ne "true" ) { [string] $containerStatus = $(kubectl get pods $pod -n $namespace -o jsonpath="{.status.containerStatuses[0].state.waiting.reason}") # Write-Verbose "${pod}: $podstatus ($containerStatus)" if (![string]::IsNullOrEmpty(($containerStatus))) { if ($containerStatus -eq "CreateContainerConfigError") { $failed = $true break } else { $waitingonPodText = "${waitingonPodText}${pod}($containerStatus);" } } else { $waitingonPodText = "${waitingonPodText}${pod}(container);" } } } else { $waitingonPodText = "${waitingonPodText}${pod}($podstatus);" } } Write-Host "[$counter] $waitingonPodText" } while (![string]::IsNullOrEmpty($waitingonPodText) -and !($failed) -and ($counter -lt 30) ) kubectl get pods -n $namespace -o wide if ($counter -gt 29 -or $failed) { Write-Host "------- Kubernetes Events ------------" kubectl get events -n "$namespace" --sort-by=".metadata.creationTimestamp" Write-Host "------- End of Kubernetes Events ------------" $Return.Success = $false Write-Error "Pods Failed" } Write-Verbose 'WaitForPodsInNamespace: Done' $Return.Success = $true return $Return } Export-ModuleMember -Function "WaitForPodsInNamespace" |