Add script to tag and publish to crates.io (#1774)

Co-authored-by: Zhongyang Wu <[email protected]>

RELEASING.md

@@ -42,6 +42,8 @@ A draft PR can be created, but before releasing consider the following:
 5. [Publish](#publishing-crates) to crates.io using the version as of the release commit
 6. Post to [#otel-rust](https://cloud-native.slack.com/archives/C03GDP0H023) on CNCF Slack.
 
+[Publish.sh](./scripts/publish.sh) may be used to automate steps 3 and 5.
+
 ## Tagging Convention
 
 For each crate: it should be `<crate-name>-<version>` `<version>` being the simple `X.Y.Z`.

scripts/publish.sh

@@ -0,0 +1,63 @@
+#!/bin/bash
+
+packages=(
+    "opentelemetry"
+    "opentelemetry-http"
+    "opentelemetry-semantic-conventions"
+    "opentelemetry-jaeger-propagator"
+    "opentelemetry-sdk"    
+    "opentelemetry-proto"
+    "opentelemetry-otlp"
+    "opentelemetry-stdout"
+    "opentelemetry-jaeger"
+    "opentelemetry-zipkin"
+    "opentelemetry-prometheus"
+    "opentelemetry-appender-log"
+    "opentelemetry-appender-tracing"
+
+    # Add more packages as needed, in the right order. A package should only be published after all it's dependencies have been published
+)
+
+# Set the current directory to one level above the scripts directory
+current_dir=$(pwd)/..
+cd "$current_dir"  # Change to the current directory
+
+# Iterate over the list of packages
+for package in "${packages[@]}"; do
+    if [ -d "$package" ]; then
+        echo "=================================================="
+        echo "Processing package: $package"
+        cd "$package"  # Change to the directory of package
+
+        # Extract the name and version from Cargo.toml
+        name=$(grep -m1 '^name =' Cargo.toml | cut -d'"' -f2)
+        version=$(grep -m1 '^version =' Cargo.toml | cut -d'"' -f2)
+
+        if [[ -n "$name" && -n "$version" ]]; then
+            echo "Found package $name with version $version" in cargo.toml
+
+            # Tag the version in git
+            tag="${name}-${version}"
+            tag_message="${name} ${version} release."
+            # uncomment the following lines after verifying all looks good.
+            # git tag -a "$tag" -m "\"$tag_message\""
+            # git push origin "$tag"
+            echo "git tag -a "$tag" -m "$tag_message""
+
+            # Run cargo publish
+            # uncomment the following line after verifying all looks good.
+            # cargo publish
+            echo "Published $name $version"
+        else
+            echo "Error: Unable to extract name or version from Cargo.toml in $package"
+        fi
+
+        cd "$current_dir"  # Return to the original directory
+        echo "Sleeping for 15 seconds before next package..."
+        sleep 15  # Sleep for 15 seconds to allow crates.io to index the previous package
+    else
+        echo "Skipping: $package is not a valid package directory."
+    fi
+done
+
+echo "Finished publishing all packages."