Kubernetes Maintenance

Cleanup-K8sWorkloads.ps1

#region Cleanup Failed Pods
# get all pods
$allPods = (. kubectl get pods --all-namespaces -o json | ConvertFrom-Json).items

# get failed pods
$failedPods = $allPods | Where-Object {$_.status.phase -eq "Failed"}

# remove failed pods
$failedPods | ForEach-Object {
   . kubectl delete pod $($_.metadata.name) -n $($_.metadata.namespace)
}
#endregion

#region Cleanup Completed Pods
# get all pods
$allPods = (. kubectl get pods --all-namespaces -o json | ConvertFrom-Json).items

# get failed pods
$completedPods = $allPods | Where-Object {$_.status.phase -eq "Succeeded"}

# remove failed pods
$completedPods | ForEach-Object {
   . kubectl delete pod $($_.metadata.name) -n $($_.metadata.namespace)
}
#endregion

#region Cleanup Failed Jobs
# get all jobs
$allJobs = (. kubectl get jobs --all-namespaces -o json | ConvertFrom-Json).items

# get failed pods
$failedJobs = $allJobs | Where-Object {$_.status.conditions.type -eq "Failed"}

# remove failed pods
$failedJobs | ForEach-Object {
   . kubectl delete job $($_.metadata.name) -n $($_.metadata.namespace)
}
#endregion

#region Cleanup Old Jobs
# get all jobs
$allJobs = (. kubectl get jobs --all-namespaces -o json | ConvertFrom-Json).items

# get jobs older that 2d
$oldJobs = $allJobs | Where-Object {(get-date $_.status.completionTime) -lt (get-date).AddDays(-2)}

# remove Old Jobs
$oldJobs | ForEach-Object {
   . kubectl delete job $($_.metadata.name) -n $($_.metadata.namespace)
}
#endregion