Add a middleware for metrics for fault injection requests

Summary

This PR is to create a telemetry middleware that will have a log for the duration of the request, one duration metric and one error metric.

Implementation details

Add a new middleware handler.

Testing

New tests cover the changes: Yes

Manual testing by consuming this change locally on Fargate

Case 1


sh-5.2# curl $ECS_AGENT_URI/fault/v1/network-blackhole-port -v

Trying 169.254.170.2:80...
Connected to 169.254.170.2 (169.254.170.2) port 80

GET /api/ed46e7244d974cc491d3c3850fd8df5a-3147973833/fault/v1/network-blackhole-port HTTP/1.1 Host: 169.254.170.2 User-Agent: curl/8.5.0 Accept: /

< HTTP/1.1 400 Bad Request < Content-Type: application/json < X-Rate-Limit-Duration: 1 < X-Rate-Limit-Limit: 0.20 < X-Rate-Limit-Request-Forwarded-For: < X-Rate-Limit-Request-Remote-Addr: 169.254.172.2:33684 < Date: Wed, 25 Sep 2024 22:54:09 GMT < Content-Length: 44 <
Connection #0 to host 169.254.170.2 left intact sh-5.2#

// We can see the log from the telemetry middleware Sep 25 22:54:09 ip-10-194-20-138 two: {"level":"info","time":"2024-09-25T22:54:09.377","msg":"Complete the request","DurationInMs":0,"Request":"/api/ed46e7244d974cc491d3c3850fd8df5a-3147973833/fault/v1/network-blackhole-port","StatusCode":400}

// We can see the metric in logs {"level":"info","timestamp":"2024-09-25T22:54:09.377Z","msg":"","Operation":"MetadataServer.CheckNetworkBlackholePortDuration","Count":1,"Gauge":"0","Success":1,"Duration":0.000001254,"StatusCode":400,"DurationInMs":0,"Request":"/api/ed46e7244d974cc491d3c3850fd8df5a-3147973833/fault/v1/network-blackhole-port"} {"level":"info","timestamp":"2024-09-25T22:54:09.377Z","msg":"","Operation":"MetadataServer.CheckNetworkBlackholePortClientError","error":"fail to process the request due to a client error","Count":1,"Gauge":"","Success":0,"Duration":0.000000647,"StatusCode":400,"DurationInMs":0,"Request":"/api/ed46e7244d974cc491d3c3850fd8df5a-3147973833/fault/v1/network-blackhole-port"}


- Case 2

sh-5.2# curl -X PUT $ECS_AGENT_URI/fault/v1/network-blackhole-port -d '{"Port":80,"Protocol":"tcp","TrafficType":"ingress"}' -v

Trying 169.254.170.2:80...
Connected to 169.254.170.2 (169.254.170.2) port 80

PUT /api/ed46e7244d974cc491d3c3850fd8df5a-3147973833/fault/v1/network-blackhole-port HTTP/1.1 Host: 169.254.170.2 User-Agent: curl/8.5.0 Accept: / Content-Length: 52 Content-Type: application/x-www-form-urlencoded

< HTTP/1.1 200 OK < Content-Type: application/json < X-Rate-Limit-Duration: 1 < X-Rate-Limit-Limit: 0.20 < X-Rate-Limit-Request-Forwarded-For: < X-Rate-Limit-Request-Remote-Addr: 169.254.172.2:43138 < Date: Wed, 25 Sep 2024 22:54:50 GMT < Content-Length: 20 <
Connection #0 to host 169.254.170.2 left intact {"Status":"running"}sh-5.2#

// We can see the log about the duration Sep 25 22:54:50 ip-10-194-20-138 two: {"level":"info","time":"2024-09-25T22:54:50.042","msg":"Complete the request","DurationInMs":7,"Request":"/api/ed46e7244d974cc491d3c3850fd8df5a-3147973833/fault/v1/network-blackhole-port","StatusCode":200}

// We can see the metric in logs {"level":"info","timestamp":"2024-09-25T22:54:50.042Z","msg":"","Operation":"MetadataServer.StartNetworkBlackholePortDuration","Count":1,"Gauge":"7","Success":1,"Duration":0.000000539,"Request":"/api/ed46e7244d974cc491d3c3850fd8df5a-3147973833/fault/v1/network-blackhole-port","StatusCode":200,"DurationInMs":7}



### Description for the changelog
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Feature - Add a telemetry middleware for fault injection handlers.

### Additional Information

**Does this PR include breaking model changes? If so, Have you added transformation functions?**
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No

**Does this PR include the addition of new environment variables in the README?**
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No

### Licensing

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aws / amazon-ecs-agent