Add script to auto update registry entries

.github/workflows/auto-update-registry.yml

@@ -0,0 +1,30 @@
+name: Auto-update registry versions
+
+on:
+  workflow_dispatch:
+  schedule:
+    # At 04:31, every day
+    - cron: 31 4 * * *
+
+jobs:
+  auto-update-versions:
+    name: Auto-update registry versions
+    runs-on: ubuntu-20.04
+    # Remove the if statement below when testing againt a fork
+    if: github.repository == 'open-telemetry/opentelemetry.io'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Use CLA approved github bot
+        run: |
+          git config user.name opentelemetrybot
+          git config user.email [email protected]
+
+      - name: Auto-update
+        run: |
+          .github/workflows/scripts/update-registry-versions.sh
+        env:
+          # change this to secrets.GITHUB_TOKEN when testing against a fork
+          # GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GH_TOKEN: ${{ secrets.OPENTELEMETRYBOT_GITHUB_TOKEN }}

.github/workflows/scripts/update-registry-versions.sh

@@ -0,0 +1,121 @@
+#!/bin/bash -e
+
+UPDATE_YAML="yq eval -i"
+GIT=git
+GH=gh
+FILES="${FILES:-./data/registry/*.yml}"
+
+
+if [[ -n "$GITHUB_ACTIONS" ]]; then
+  # Ensure that we're starting from a clean state
+  git reset --hard origin/main
+elif [[ "$1" != "-f" ]]; then
+  # Do a dry-run when script it executed locally, unless the
+  # force flag is specified (-f).
+  echo "Doing a dry-run when run locally. Use -f as the first argument to force execution."
+  UPDATE_YAML="yq eval"
+  GIT="echo > DRY RUN: git "
+  GH="echo > DRY RUN: gh "
+else
+  # Local execution with -f flag (force real vs. dry run)
+  shift
+fi
+
+body=""
+
+for yaml_file in ${FILES}; do
+    echo $yaml_file
+    # Check if yq is installed
+    if ! command -v yq &> /dev/null; then
+        echo "yq could not be found, please install yq."
+        exit 1
+    fi
+
+    # Function to get latest version based on registry
+    get_latest_version() {
+        package_name=$1
+        registry=$2
+
+        case $registry in
+            npm)
+                curl -s "https://registry.npmjs.org/${package_name}/latest" | jq -r '.version'
+                ;;
+            packagist)
+                curl -s "https://repo.packagist.org/p2/${package_name}.json" | jq -r ".packages.\"${package_name}\"[0].version"
+                ;;
+            gems)
+                curl -s "https://rubygems.org/api/v1/versions/${package_name}/latest.json" | jq -r '.version'
+                ;;
+            go)
+                go list -m --versions "$package_name" | awk '{ if (NF > 1) print $NF ; else print "" }'
+                ;;
+            go-collector)
+                go list -m --versions "$package_name" | awk '{ if (NF > 1) print $NF ; else print "" }'
+                ;;
+            nuget)
+                lower_case_package_name=$(echo "$package_name" | tr '[:upper:]' '[:lower:]')
+                curl -s "https://api.nuget.org/v3/registration5-gz-semver2/${lower_case_package_name}/index.json" | gunzip | jq -r '.items[0].upper'
+                ;;
+            hex)
+                curl -s "https://hex.pm/api/packages/$package_name" | jq -r '.releases | max_by(.inserted_at) | .version'
+                ;;
+            *)
+                echo "Registry not supported."
+                ;;
+        esac
+    }
+
+    # Read package details
+    name=$(yq eval '.package.name' "$yaml_file")
+    registry=$(yq eval '.package.registry' "$yaml_file")
+    current_version=$(yq eval '.package.version' "$yaml_file")
+
+    if [ -z "$name" ] || [ -z "$registry" ]; then
+        echo "${yaml_file}: Package name and/or registry are missing in the YAML file."
+    else
+        # Get latest version
+        latest_version=$(get_latest_version "$name" "$registry")
+
+        if [ "$latest_version" == "Registry not supported." ]; then
+            echo "${yaml_file} ($registry): Registry not supported.";
+        elif [ -z "$latest_version" ]; then
+            echo "${yaml_file} ($registry): Could not get latest version from registry."
+        elif [ -z "$current_version" ]; then
+            ${UPDATE_YAML} ".package.version = \"$latest_version\"" $yaml_file
+            row="${yaml_file} ($registry): Version field was missing. Populated with the latest version: $latest_version"
+            echo "${row}"
+            body="${body}\n- ${row}"
+        elif [ "$latest_version" != "$current_version" ]; then
+            ${UPDATE_YAML} ".package.version = \"$latest_version\"" "$yaml_file"
+            row="($registry): Updated version from $current_version to $latest_version in $yaml_file"
+            echo "${yaml_file} ${row}"
+            body="${body}\n- ${row}"
+        else
+            echo "${yaml_file} ($registry): Version is already up to date."
+        fi
+    fi
+done;
+
+# We use the sha1 over all version updates to uniquely identify the PR.
+tag=$(echo body | sha1sum | awk '{print $1;}')
+message="Auto-update registry versions (${tag})"
+branch="opentelemetrybot/auto-update-registry-${tag}"
+
+
+existing_pr_count=$(gh pr list --state all --search "in:title $message" | wc -l)
+if [ "$existing_pr_count" -gt 0 ]; then
+    echo "PR(s) already exist for '$message'"
+    gh pr list --state all --search "\"$message\" in:title"
+    echo "So we won't create another. Exiting."
+    exit 0
+fi
+
+$GIT checkout -b "$branch"
+$GIT commit -a -m "$message"
+$GIT push --set-upstream origin "$branch"
+
+body_file=$(mktemp)
+echo -en "${body}" >> "${body_file}"
+
+echo "Submitting auto-update PR '$message'."
+$GH pr create --title "$message" --body-file "${body_file}"