runtime: rework status gathering

kubernetes-retired / rktlet

[EOL] The rkt implementation of the Kubernetes Container Runtime Interface

Apache License 2.0

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runtime: rework status gathering #145

Closed iaguis closed 7 years ago

iaguis commented 7 years ago

rkt v1.22.0 introduced the flags --wait and --wait-ready to wait for a pod to terminate or to be ready respectively. Let's use those instead of implementing wait loops in rktlet.