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Merge pull request #540 from kazk/polish-tls-support
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| // Minimal custom client example. | ||
| use k8s_openapi::api::core::v1::ConfigMap; | ||
| use tower::ServiceBuilder; | ||
|
|
||
| use kube::{ | ||
| api::{Api, ListParams}, | ||
| client::ConfigExt, | ||
| Client, Config, | ||
| }; | ||
|
|
||
| #[tokio::main] | ||
| async fn main() -> anyhow::Result<()> { | ||
| std::env::set_var("RUST_LOG", "info,kube=debug"); | ||
| tracing_subscriber::fmt::init(); | ||
|
|
||
| let config = Config::infer().await?; | ||
| let https = config.native_tls_https_connector()?; | ||
| let client = Client::new( | ||
| ServiceBuilder::new() | ||
| .layer(config.base_uri_layer()) | ||
| .option_layer(config.auth_layer()?) | ||
| .service(hyper::Client::builder().build(https)), | ||
| ); | ||
|
|
||
| let cms: Api<ConfigMap> = Api::namespaced(client, "default"); | ||
| for cm in cms.list(&ListParams::default()).await? { | ||
| println!("{:?}", cm); | ||
| } | ||
|
|
||
| Ok(()) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| // Custom client supporting both native-tls and rustls-tls | ||
| // Must enable `rustls-tls` feature to run this. | ||
| // Run with `USE_RUSTLS=1` to pick rustls. | ||
| use k8s_openapi::api::core::v1::ConfigMap; | ||
| use tower::ServiceBuilder; | ||
|
|
||
| use kube::{ | ||
| api::{Api, ListParams}, | ||
| client::ConfigExt, | ||
| Client, Config, | ||
| }; | ||
|
|
||
| #[tokio::main] | ||
| async fn main() -> anyhow::Result<()> { | ||
| std::env::set_var("RUST_LOG", "info,kube=debug"); | ||
| tracing_subscriber::fmt::init(); | ||
|
|
||
| let config = Config::infer().await?; | ||
|
|
||
| // Pick TLS at runtime | ||
| let use_rustls = std::env::var("USE_RUSTLS").map(|s| s == "1").unwrap_or(false); | ||
| let client = if use_rustls { | ||
| let https = config.rustls_https_connector()?; | ||
| Client::new( | ||
| ServiceBuilder::new() | ||
| .layer(config.base_uri_layer()) | ||
| .service(hyper::Client::builder().build(https)), | ||
| ) | ||
| } else { | ||
| let https = config.native_tls_https_connector()?; | ||
| Client::new( | ||
| ServiceBuilder::new() | ||
| .layer(config.base_uri_layer()) | ||
| .service(hyper::Client::builder().build(https)), | ||
| ) | ||
| }; | ||
|
|
||
| let cms: Api<ConfigMap> = Api::namespaced(client, "default"); | ||
| for cm in cms.list(&ListParams::default()).await? { | ||
| println!("{:?}", cm); | ||
| } | ||
|
|
||
| Ok(()) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| // Custom client example with TraceLayer. | ||
| use std::time::Duration; | ||
|
|
||
| use http::{Request, Response}; | ||
| use hyper::Body; | ||
| use k8s_openapi::api::core::v1::ConfigMap; | ||
| use tower::ServiceBuilder; | ||
| use tower_http::{decompression::DecompressionLayer, trace::TraceLayer}; | ||
| use tracing::Span; | ||
|
|
||
| use kube::{ | ||
| api::{Api, ListParams}, | ||
| client::ConfigExt, | ||
| Client, Config, | ||
| }; | ||
|
|
||
| #[tokio::main] | ||
| async fn main() -> anyhow::Result<()> { | ||
| std::env::set_var("RUST_LOG", "info,kube=debug,custom_client_trace=debug"); | ||
| tracing_subscriber::fmt::init(); | ||
|
|
||
| let config = Config::infer().await?; | ||
| let https = config.native_tls_https_connector()?; | ||
| let client = Client::new( | ||
| ServiceBuilder::new() | ||
| .layer(config.base_uri_layer()) | ||
| // Add `DecompressionLayer` to make request headers interesting. | ||
| .layer(DecompressionLayer::new()) | ||
| .layer( | ||
| // Attribute names follow [Semantic Conventions]. | ||
| // [Semantic Conventions]: https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/trace/semantic_conventions/http.md#http-client | ||
| TraceLayer::new_for_http() | ||
| .make_span_with(|request: &Request<Body>| { | ||
| tracing::debug_span!( | ||
| "HTTP", | ||
| http.method = %request.method(), | ||
| http.url = %request.uri(), | ||
| http.status_code = tracing::field::Empty, | ||
| otel.name = %format!("HTTP {}", request.method()), | ||
| otel.kind = "client", | ||
| otel.status_code = tracing::field::Empty, | ||
| ) | ||
| }) | ||
| .on_request(|request: &Request<Body>, _span: &Span| { | ||
| tracing::debug!("payload: {:?} headers: {:?}", request.body(), request.headers()) | ||
| }) | ||
| .on_response(|response: &Response<Body>, latency: Duration, span: &Span| { | ||
| let status = response.status(); | ||
| span.record("http.status_code", &status.as_u16()); | ||
| if status.is_client_error() || status.is_server_error() { | ||
| span.record("otel.status_code", &"ERROR"); | ||
| } | ||
| tracing::debug!("finished in {}ms", latency.as_millis()) | ||
| }), | ||
| ) | ||
| .service(hyper::Client::builder().build(https)), | ||
| ); | ||
|
|
||
| let cms: Api<ConfigMap> = Api::namespaced(client, "default"); | ||
| for cm in cms.list(&ListParams::default()).await? { | ||
| println!("{:?}", cm); | ||
| } | ||
|
|
||
| Ok(()) | ||
| } |
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