[APMSP-1317] Fetch agent info endpoint (#619)

* Add AgentInfoFetcher

* Use ArcSwapOption

* Add tests

* Add docs

* Add test for fetch_info

* Move mods to separate files

* Fix CI

* Improve tests speed

* Add integration tests with test-agent

* Add span_kinds to schema

* Update README

* Removing version for ddcommon

* Update cargo.lock

* Move agent-info to data-pipeline

* Fix CI

* Fix test agent tests in CI

* Add logs

* Remove agent-info from docker

* Revert to tracing_integration_tests
APMSP-1317

LICENSE-3rdparty.yml

@@ -1652,7 +1652,7 @@ third_party_libraries:
          limitations under the License.
 
 - package_name: anyhow
-  package_version: 1.0.82
+  package_version: 1.0.87
   repository: https://github.com/dtolnay/anyhow
   license: MIT OR Apache-2.0
   licenses:
@@ -1859,6 +1859,40 @@ third_party_libraries:
          of your accepting any such warranty or additional liability.
 
       END OF TERMS AND CONDITIONS
+- package_name: arc-swap
+  package_version: 1.7.1
+  repository: https://github.com/vorner/arc-swap
+  license: MIT OR Apache-2.0
+  licenses:
+  - license: MIT
+    text: |
+      Copyright (c) 2017 arc-swap developers
+
+      Permission is hereby granted, free of charge, to any
+      person obtaining a copy of this software and associated
+      documentation files (the "Software"), to deal in the
+      Software without restriction, including without
+      limitation the rights to use, copy, modify, merge,
+      publish, distribute, sublicense, and/or sell copies of
+      the Software, and to permit persons to whom the Software
+      is furnished to do so, subject to the following
+      conditions:
+
+      The above copyright notice and this permission notice
+      shall be included in all copies or substantial portions
+      of the Software.
+
+      THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
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+      TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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+      SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+      CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+      OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+      IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+      DEALINGS IN THE SOFTWARE.
+  - license: Apache-2.0
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 - package_name: arrayref
   package_version: 0.3.7
   repository: https://github.com/droundy/arrayref
@@ -24432,7 +24466,7 @@ third_party_libraries:
   - license: BSD-3-Clause
     text: NOT FOUND
 - package_name: serde
-  package_version: 1.0.209
+  package_version: 1.0.210
   repository: https://github.com/serde-rs/serde
   license: MIT OR Apache-2.0
   licenses:
@@ -24848,7 +24882,7 @@ third_party_libraries:
 
       END OF TERMS AND CONDITIONS
 - package_name: serde_derive
-  package_version: 1.0.209
+  package_version: 1.0.210
   repository: https://github.com/serde-rs/serde
   license: MIT OR Apache-2.0
   licenses:
@@ -25056,7 +25090,7 @@ third_party_libraries:
 
       END OF TERMS AND CONDITIONS
 - package_name: serde_json
-  package_version: 1.0.127
+  package_version: 1.0.128
   repository: https://github.com/serde-rs/json
   license: MIT OR Apache-2.0
   licenses:

data-pipeline/Cargo.toml

@@ -11,10 +11,13 @@ autobenches = false
 
 [dependencies]
 anyhow = { version = "1.0" }
+arc-swap = "1.7.1"
 futures = { version = "0.3", default-features = false }
 hyper = {version = "0.14", features = ["client"], default-features = false}
 log = "0.4"
 rmp-serde = "1.1.1"
+serde = "1.0.209"
+serde_json = "1.0.127"
 bytes = "1.4"
 either = "1.13.0"
 tokio = { version = "1.23", features = ["rt", "test-util", "time"], default-features = false }
@@ -38,6 +41,8 @@ harness = false
 path = "benches/main.rs"
 
 [dev-dependencies]
-httpmock = "0.7.0"
 criterion = "0.5.1"
+datadog-trace-utils = { path = "../trace-utils", features = ["test-utils"] }
+httpmock = "0.7.0"
 rand = "0.8.5"
+tokio = {version = "1.23", features = ["rt", "time", "test-util"], default-features = false}