How to extract Kubernestes PODS mac addresses from annotations object

kubernetes annotations jq

Starting with the original JSON and using jq's -r command-line option, the following jq filter yields the output shown below:

.[]| .metadata.annotations[]| (fromjson? // empty)| .[]| select(has("mac"))| {mac}

Output:

{"mac":"0a:2d:40:c6:f8:ea"}{"mac":"0a:52:8a:62:5d:f4"}{"mac":"0a:2d:40:c6:f8:ea"}{"mac":"0a:52:8a:62:5d:f4"}

kubernetes annotations jq

Please try the below command and should get the expected output.

cat abc.json | jq -r  '.metadata.annotations."k8s.v1.cni.cncf.io/networks-status" | fromjson | .[].mac '

where abc.json is your son file.

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