metrics

metrics

this example creates simple request counter

[2020-09-07 16:14:52.723][293724][info][wasm] [external/envoy/source/extensions/common/wasm/context.cc:997] wasm log: previous value of proxy_wasm_go.request_counter: 0
[2020-09-07 16:14:52.723][293724][info][wasm] [external/envoy/source/extensions/common/wasm/context.cc:997] wasm log: incremented
[2020-09-07 16:14:53.586][293724][info][wasm] [external/envoy/source/extensions/common/wasm/context.cc:997] wasm log: previous value of proxy_wasm_go.request_counter: 1
[2020-09-07 16:14:53.586][293724][info][wasm] [external/envoy/source/extensions/common/wasm/context.cc:997] wasm log: incremented
[2020-09-07 16:14:54.235][293742][info][wasm] [external/envoy/source/extensions/common/wasm/context.cc:997] wasm log: previous value of proxy_wasm_go.request_counter: 2
[2020-09-07 16:14:54.235][293742][info][wasm] [external/envoy/source/extensions/common/wasm/context.cc:997] wasm log: incremented
[2020-09-07 16:14:54.747][293724][info][wasm] [external/envoy/source/extensions/common/wasm/context.cc:997] wasm log: previous value of proxy_wasm_go.request_counter: 3
[2020-09-07 16:14:54.747][293724][info][wasm] [external/envoy/source/extensions/common/wasm/context.cc:997] wasm log: incremented
[2020-09-07 16:14:55.267][293722][info][wasm] [external/envoy/source/extensions/common/wasm/context.cc:997] wasm log: previous value of proxy_wasm_go.request_counter: 4
[2020-09-07 16:14:55.267][293722][info][wasm] [external/envoy/source/extensions/common/wasm/context.cc:997] wasm log: incremented
[2020-09-07 16:14:55.778][293742][info][wasm] [external/envoy/source/extensions/common/wasm/context.cc:997] wasm log: previous value of proxy_wasm_go.request_counter: 5
[2020-09-07 16:14:55.778][293742][info][wasm] [external/envoy/source/extensions/common/wasm/context.cc:997] wasm log: incremented
[2020-09-07 16:14:56.474][293722][info][wasm] [external/envoy/source/extensions/common/wasm/context.cc:997] wasm log: previous value of proxy_wasm_go.request_counter: 6
[2020-09-07 16:14:56.474][293722][info][wasm] [external/envoy/source/extensions/common/wasm/context.cc:997] wasm log: incremented
[2020-09-07 16:14:57.051][293724][info][wasm] [external/envoy/source/extensions/common/wasm/context.cc:997] wasm log: previous value of proxy_wasm_go.request_counter: 7
[2020-09-07 16:14:57.051][293724][info][wasm] [external/envoy/source/extensions/common/wasm/context.cc:997] wasm log: incremented