kubectl under the hood

[zero2hj]

• kubectl drain in dry-run mode kubectl drain k8s-node81 --ignore-daemonsets --delete-local-data --dry-run=client -v 8
  • it actually delete or evict pods
    • evict pods by api d.Client.PolicyV1().Evictions(eviction.Namespace).Evict(d.getContext(), eviction)
• kubectl cordon
  • I0623 18:16:50.684758 49036 request.go:1097] Request Body: {"spec":{"unschedulable":true}}
    I0623 18:16:50.684912 49036 round_trippers.go:421] PATCH https://192.168.12.76:6443/api/v1/nodes/k8s-node81

[zero2hj]

• describe. https://github.com/kubernetes/kubectl/blob/master/pkg/describe/describe.go#L281