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feat: add more resource detectors (#573)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| //! OS resource detector | ||
| //! | ||
| //! Detect the runtime operating system type. | ||
| use crate::sdk::resource::ResourceDetector; | ||
| use crate::sdk::Resource; | ||
| use crate::KeyValue; | ||
| use std::env::consts::OS; | ||
| use std::time::Duration; | ||
|
|
||
| /// Detect runtime operating system information. | ||
| /// | ||
| /// This detector uses Rust's [`OS constant`] to detect the operating system type and | ||
| /// maps the result to the supported value defined in [`OpenTelemetry spec`]. | ||
| /// | ||
| /// [`OS constant`]: https://doc.rust-lang.org/std/env/consts/constant.OS.html | ||
| /// [`OpenTelemetry spec`]: https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/resource/semantic_conventions/os.md | ||
| #[derive(Debug)] | ||
| pub struct OsResourceDetector; | ||
|
|
||
| impl ResourceDetector for OsResourceDetector { | ||
| fn detect(&self, _timeout: Duration) -> Resource { | ||
| Resource::new(vec![KeyValue::new("os.type", OS)]) | ||
| } | ||
| } | ||
|
|
||
| #[cfg(test)] | ||
| mod tests { | ||
| use crate::sdk::resource::os::OsResourceDetector; | ||
| use crate::sdk::resource::ResourceDetector; | ||
| use crate::Key; | ||
| use std::time::Duration; | ||
|
|
||
| #[cfg(target_os = "linux")] | ||
| #[test] | ||
| fn test_os_resource_detector() { | ||
| let resource = OsResourceDetector.detect(Duration::from_secs(0)); | ||
| assert_eq!( | ||
| resource | ||
| .iter() | ||
| .0 | ||
| .find(|(k, _v)| **k == Key::from_static_str("os.type")) | ||
| .map(|(_k, v)| v.to_string()), | ||
| Some("linux".to_string()) | ||
| ); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| //! Process resource detector | ||
| //! | ||
| //! Detect process related information like pid, executable name. | ||
|
|
||
| use crate::sdk::resource::ResourceDetector; | ||
| use crate::sdk::Resource; | ||
| use crate::{Array, KeyValue, Value}; | ||
| use std::borrow::Cow; | ||
| use std::env::args_os; | ||
| use std::process::id; | ||
| use std::time::Duration; | ||
|
|
||
| /// Detect process information. | ||
| /// | ||
| /// This resource detector returns the following information: | ||
| /// | ||
| /// - process command line arguments(`process.command_args`), the full command arguments of this | ||
| /// application. | ||
| /// - OS assigned process id(`process.pid`). | ||
| #[derive(Debug)] | ||
| pub struct ProcessResourceDetector; | ||
|
|
||
| impl ResourceDetector for ProcessResourceDetector { | ||
| fn detect(&self, _timeout: Duration) -> Resource { | ||
| let arguments = args_os(); | ||
| let cmd_arg_val = arguments | ||
| .into_iter() | ||
| .map(|arg| Cow::from(arg.to_string_lossy().into_owned())) | ||
| .collect::<Vec<Cow<'_, str>>>(); | ||
| Resource::new(vec![ | ||
| KeyValue::new( | ||
| "process.command_args", | ||
| Value::Array(Array::String(cmd_arg_val)), | ||
| ), | ||
| KeyValue::new("process.pid", id() as i64), | ||
| ]) | ||
| } | ||
| } | ||
|
|
||
| #[cfg(test)] | ||
| mod tests { | ||
| use crate::sdk::resource::{ProcessResourceDetector, ResourceDetector}; | ||
| use std::time::Duration; | ||
|
|
||
| #[cfg(target_os = "linux")] | ||
| #[test] | ||
| fn test_processor_resource_detector() { | ||
| let resource = ProcessResourceDetector.detect(Duration::from_secs(0)); | ||
| assert_eq!(resource.len(), 2); // we cannot assert on the values because it changes along with runtime. | ||
| } | ||
| } |