Firecracker expose metrics through fifo file and using a JSON format. This PR will parse the Firecracker's metrics and convert to Prometheus metrics. Fixes: #472 Signed-off-by: bin liu <bin@hyper.sh>
Add pod overhead metrics for CPU and memory to help with calculating sandbox overhead. Fixes: #399 Signed-off-by: bin liu <bin@hyper.sh>
Add basic design for how metrics service works in Kata 2.0. Signed-off-by: bin liu <bin@hyper.sh>