rkt gc
rkt has a built-in garbage collection command that is designed to be run periodically from a timer or cron job.
Stopped pods are moved to the garbage and cleaned up during a subsequent garbage collection pass.
Each gc
pass removes any pods remaining in the garbage past the grace period.
Read more about the pod lifecycle.
# rkt gc --grace-period=30m0s
Moving pod "21b1cb32-c156-4d26-82ae-eda1ab60f595" to garbage
Moving pod "5dd42e9c-7413-49a9-9113-c2a8327d08ab" to garbage
Moving pod "f07a4070-79a9-4db0-ae65-a090c9c393a3" to garbage
On the next pass, the pods are removed:
# rkt gc --grace-period=30m0s
Garbage collecting pod "21b1cb32-c156-4d26-82ae-eda1ab60f595"
Garbage collecting pod "5dd42e9c-7413-49a9-9113-c2a8327d08ab"
Garbage collecting pod "f07a4070-79a9-4db0-ae65-a090c9c393a3"
Options
Flag | Default | Options | Description |
---|---|---|---|
--expire-prepared |
24h0m0s |
A time | Duration to wait before expiring prepared pods |
--grace-period |
30m0s |
A time | Duration to wait before discarding inactive pods from garbage |
--mark-only |
false |
true or false |
If set to true, only the "mark" phase of the garbage collection process will be formed (i.e., exited/aborted pods will be moved to the garbage, but nothing will be deleted) |
Global options
See the table with global options in general commands documentation.