[receiver/datadog] fix feature discovery

[melchiormoulin]

Description:

Link to tracking Issue:
Fix #34718

Testing:
this otel config

receivers:
  datadog:
    endpoint: 0.0.0.0:8080
    read_timeout: 60s

processors:
  probabilistic_sampler:
    sampling_percentage: 0

exporters:
  debug:
    verbosity: detailed

service:
  pipelines:
    traces:
      receivers: [datadog]
      processors: [probabilistic_sampler]
      exporters: [debug] 

tcpdump on 8080 port and having this http request performed :

PUT /v0.4/traces HTTP/1.1
Content-Type: application/msgpack
Content-Length: 0
Host: 10.0.0.2:8080
Connection: Keep-Alive
Accept-Encoding: gzip
User-Agent: okhttp/3.12.15

HTTP/1.1 400 Bad Request
Content-Type: text/plain; charset=utf-8
X-Content-Type-Options: nosniff
Date: Sun, 18 Aug 2024 22:06:39 GMT
Content-Length: 23

Fake featuresdiscovery

Documentation:

[jpkrohling]

Looks like there are some linting failures. You can run make lint locally to check what's wrong.

[melchiormoulin]

i don't get the new error , can you help me please ?

  if [[ success == cancelled ]]
  then
    echo "All matrix jobs passed!"
  else
    echo "One or more matrix jobs failed."
    false
  fi
  shell: /usr/bin/bash -e {0}
  env:
    TEST_RESULTS: testbed/tests/results/junit/results.xml
    SEGMENT_DOWNLOAD_TIMEOUT_MINS: 2
One or more matrix jobs failed.
Error: Process completed with exit code 1.

[jpkrohling]

Looks like it was just a fluke. All is green now. Thank you for your contribution!