metrics in Kernel Native Mode

[lec-bit]

What type of PR is this?
/kind feature

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Which issue(s) this PR fixes:
Fixes #

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Does this PR introduce a user-facing change?:

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[lec-bit]

I use src pod name and dst svc name or pod name as label

[root@kmesh-zsph4 kmesh]# curl http://10.244.1.5:15020/status/metric

HELP kmesh_tcp_ads_connections_closed_total The total number of TCP connections closed to a ads

TYPE kmesh_tcp_ads_connections_closed_total gauge

kmesh_tcp_ads_connections_closed_total{destination_pod_address="10.244.1.10",destination_pod_port="-",destination_svc_name="fortio-server-deployment-7cd9f46f6d-s6nw4.default",reporter="source",source_pod_address="10.244.1.9",source_pod_name="fortio-client-deployment-79d94fc67c-6fh4k.default",source_pod_port="-"} 8
kmesh_tcp_ads_connections_closed_total{destination_pod_address="10.244.1.11",destination_pod_port="-",destination_svc_name="fortio-server-deployment-7cd9f46f6d-mkp75.default",reporter="source",source_pod_address="10.244.1.9",source_pod_name="fortio-client-deployment-79d94fc67c-6fh4k.default",source_pod_port="-"} 8

HELP kmesh_tcp_ads_connections_opened_total The total number of TCP connections opened to a ads

TYPE kmesh_tcp_ads_connections_opened_total gauge

kmesh_tcp_ads_connections_opened_total{destination_pod_address="10.244.1.10",destination_pod_port="-",destination_svc_name="fortio-server-deployment-7cd9f46f6d-s6nw4.default",reporter="source",source_pod_address="10.244.1.9",source_pod_name="fortio-client-deployment-79d94fc67c-6fh4k.default",source_pod_port="-"} 8
kmesh_tcp_ads_connections_opened_total{destination_pod_address="10.244.1.11",destination_pod_port="-",destination_svc_name="fortio-server-deployment-7cd9f46f6d-mkp75.default",reporter="source",source_pod_address="10.244.1.9",source_pod_name="fortio-client-deployment-79d94fc67c-6fh4k.default",source_pod_port="-"} 8

HELP kmesh_tcp_ads_received_bytes_total The size of the total number of bytes received in response to a ads over a TCP connection.

TYPE kmesh_tcp_ads_received_bytes_total gauge

kmesh_tcp_ads_received_bytes_total{destination_pod_address="10.244.1.10",destination_pod_port="-",destination_svc_name="fortio-server-deployment-7cd9f46f6d-s6nw4.default",reporter="source",source_pod_address="10.244.1.9",source_pod_name="fortio-client-deployment-79d94fc67c-6fh4k.default",source_pod_port="-"} 2.547308e+06
kmesh_tcp_ads_received_bytes_total{destination_pod_address="10.244.1.11",destination_pod_port="-",destination_svc_name="fortio-server-deployment-7cd9f46f6d-mkp75.default",reporter="source",source_pod_address="10.244.1.9",source_pod_name="fortio-client-deployment-79d94fc67c-6fh4k.default",source_pod_port="-"} 2.578883e+06

HELP kmesh_tcp_ads_sent_bytes_total The size of the total number of bytes sent in response to a ads over a TCP connection.

TYPE kmesh_tcp_ads_sent_bytes_total gauge

kmesh_tcp_ads_sent_bytes_total{destination_pod_address="10.244.1.10",destination_pod_port="-",destination_svc_name="fortio-server-deployment-7cd9f46f6d-s6nw4.default",reporter="source",source_pod_address="10.244.1.9",source_pod_name="fortio-client-deployment-79d94fc67c-6fh4k.default",source_pod_port="-"} 33988
kmesh_tcp_ads_sent_bytes_total{destination_pod_address="10.244.1.11",destination_pod_port="-",destination_svc_name="fortio-server-deployment-7cd9f46f6d-mkp75.default",reporter="source",source_pod_address="10.244.1.9",source_pod_name="fortio-client-deployment-79d94fc67c-6fh4k.default",source_pod_port="-"} 34409

HELP promhttp_metric_handler_errors_total Total number of internal errors encountered by the promhttp metric handler.

TYPE promhttp_metric_handler_errors_total counter

promhttp_metric_handler_errors_total{cause="encoding"} 0
promhttp_metric_handler_errors_total{cause="gathering"} 0

[yp969803]

@lec-bit you can also update the code to include periodic updation of metrics in native mode, like we are doing in workload mode #1298