chore: deprecate ZPages (open-telemetry#229)

Author: gruebel

opentelemetry-zpages/CHANGELOG.md

@@ -1,6 +1,6 @@
 # Changelog
 
-## vNext
+## v0.14.0 (DEPRECATED)
 
 - Bump `async-channel` version to 2.3
 - Bump opentelemetry and opentelemetry_sdk versions to 0.29

opentelemetry-zpages/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "opentelemetry-zpages"
-version = "0.13.0"
-description = "ZPages implementation for OpenTelemetry"
+version = "0.14.0+deprecated"
+description = "[DEPRECATED] ZPages implementation for OpenTelemetry"
 homepage = "https://github.com/open-telemetry/opentelemetry-rust-contrib/tree/main/opentelemetry-zpages"
 repository = "https://github.com/open-telemetry/opentelemetry-rust-contrib/tree/main/opentelemetry-zpages"
 readme = "README.md"

opentelemetry-zpages/README.md

@@ -1,5 +1,8 @@
 # OpenTelemetry ZPages
 
+> [!WARNING]  
+> **This crate is deprecated and no longer maintained.**
+
 ![OpenTelemetry — An observability framework for cloud-native software.][splash]
 
 [splash]: https://raw.githubusercontent.com/open-telemetry/opentelemetry-rust/master/assets/logo-text.png

opentelemetry-zpages/examples/zpages.rs

@@ -1,3 +1,4 @@
+#![allow(deprecated)]
 use hyper::http::{Request, Response};
 use hyper::service::{make_service_fn, service_fn};
 use hyper::{Body, Server};

opentelemetry-zpages/src/lib.rs

@@ -1,5 +1,7 @@
 //! ZPages implementation for Opentelemetry
 //!
+//! **This crate is deprecated and no longer maintained.**
+//!
 //! # Overview
 //! zPages are an in-process alternative to external exporters. When included,
 //! they collect and aggregate tracing and metrics information in the
@@ -58,7 +60,7 @@
 #![doc(
     html_logo_url = "https://raw.githubusercontent.com/open-telemetry/opentelemetry-rust/master/assets/logo.svg"
 )]
-#![cfg_attr(test, deny(warnings))]
+#![allow(deprecated)]
 
 use trace::span_queue::SpanQueue;
 

opentelemetry-zpages/src/trace/mod.rs

@@ -39,6 +39,7 @@ pub(crate) mod span_queue;
 /// # }
 ///
 /// ```
+#[deprecated(note = "This crate is deprecated and no longer maintained.")]
 pub fn tracez<R: Runtime>(
     sample_size: usize,
     runtime: R,

opentelemetry-zpages/src/trace/span_processor.rs

@@ -19,6 +19,7 @@ use std::fmt::Formatter;
 ///
 /// ZPagesSpanProcessor employs a `SpanAggregator` running as another task to aggregate the spans
 /// using the name of spans.
+#[deprecated(note = "This crate is deprecated and no longer maintained.")]
 pub struct ZPagesSpanProcessor {
     tx: Sender<TracezMessage>,
 }