CLI gcloud Filter & Format

When working with gcloud CLI, sometimes there are strong needs to filter and format the output for subsequent processing.

A use case for example here:

gcloud compute instances \
list \
--project example \
--filter='name~test*' \
--format="value(name,zone,disks[].deviceName)"

The filter and format are explained under gcloud topic group, you can find other useful topics about gcloud.

Resource Available Key

To find the keys for filter and format, check --format flattened option, it lists all keys for the specified resource.