[APMSP-1317] Fetch agent info endpoint

Cargo.toml

@@ -34,6 +34,7 @@ members = [
   "data-pipeline-ffi",
   "ddsketch",
   "tinybytes",
+  "agent-info",
 ]
 
 default-members = [
@@ -69,6 +70,7 @@ default-members = [
   "data-pipeline-ffi",
   "ddsketch",
   "tinybytes",
+  "agent-info",
 ]
 
 # https://doc.rust-lang.org/cargo/reference/resolver.html#feature-resolver-version-2

LICENSE-3rdparty.yml

@@ -1,4 +1,4 @@
-root_name: datadog-alloc, builder, build_common, datadog-profiling-ffi, data-pipeline-ffi, data-pipeline, datadog-ddsketch, datadog-trace-normalization, datadog-trace-protobuf, datadog-trace-utils, ddcommon, ddcommon-ffi, datadog-crashtracker-ffi, datadog-crashtracker, ddtelemetry, datadog-profiling, ddtelemetry-ffi, symbolizer-ffi, tools, datadog-profiling-replayer, dogstatsd, datadog-ipc, datadog-ipc-macros, tarpc, tarpc-plugins, spawn_worker, cc_utils, datadog-sidecar, datadog-remote-config, datadog-dynamic-configuration, datadog-sidecar-macros, datadog-sidecar-ffi, sidecar_mockgen, datadog-trace-obfuscation, test_spawn_from_lib, datadog-serverless-trace-mini-agent, datadog-trace-mini-agent, bin_tests
+root_name: datadog-alloc, builder, build_common, datadog-profiling-ffi, data-pipeline-ffi, data-pipeline, datadog-ddsketch, datadog-trace-normalization, datadog-trace-protobuf, datadog-trace-utils, ddcommon, ddcommon-ffi, datadog-crashtracker-ffi, datadog-crashtracker, ddtelemetry, datadog-profiling, ddtelemetry-ffi, symbolizer-ffi, tools, datadog-profiling-replayer, dogstatsd, datadog-ipc, datadog-ipc-macros, tarpc, tarpc-plugins, spawn_worker, cc_utils, datadog-sidecar, datadog-remote-config, datadog-dynamic-configuration, datadog-sidecar-macros, datadog-sidecar-ffi, sidecar_mockgen, datadog-trace-obfuscation, test_spawn_from_lib, datadog-serverless-trace-mini-agent, datadog-trace-mini-agent, bin_tests, tinybytes
 third_party_libraries:
 - package_name: addr2line
   package_version: 0.21.0
@@ -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
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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: 1.0.197
+  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: 1.0.197
+  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: 1.0.120
+  package_version: 1.0.128
   repository: https://github.com/serde-rs/json
   license: MIT OR Apache-2.0
   licenses:

agent-info/Cargo.toml

@@ -0,0 +1,23 @@
+[package]
+name = "agent-info"
+description = "Provides utilities to get config from the /info endpoint of an agent"
+rust-version.workspace = true
+edition.workspace = true
+version.workspace = true
+license.workspace = true
+
+[lib]
+bench = false
+
+[dependencies]
+anyhow = "1.0.86"
+arc-swap = "1.7.1"
+ddcommon = { version = "12.0.0", path = "../ddcommon" }
+hyper = { version = "0.14", features = ["client"] }
+serde = "1.0.209"
+serde_json = "1.0.127"
+tokio = "1.37.0"
+
+[dev-dependencies]
+httpmock = "0.7.0"
+tokio = { version = "1.37.0", features = ["time", "test-util"] }