RCA Metrics - refactored

.circleci/checksum.sh

@@ -21,6 +21,6 @@ fi
 
 openssl md5 package.json >> $FILE
 
-find packages/*/package.json | xargs -I{} openssl md5 {} >> $FILE
+find plugins/node/*/package.json && find plugins/web/*/package.json && find packages/*/package.json | xargs -I{} openssl md5 {} >> $FILE
 
 sort -o $FILE $FILE

.circleci/config.yml

@@ -54,6 +54,9 @@ cache_1: &cache_1
     - plugins/node/opentelemetry-plugin-mysql/node_modules
     - plugins/node/opentelemetry-plugin-express/node_modules
     - propagators/opentelemetry-propagator-jaeger/node_modules
+    - propagators/opentelemetry-propagator-grpc-census-binary/node_modules
+    - packages/opentelemetry-rca-metrics/node_modules
+    - packages/opentelemetry-test-utils/node_modules
 
 node_unit_tests: &node_unit_tests
   resource_class: large
@@ -74,7 +77,7 @@ node_unit_tests: &node_unit_tests
           echo "CIRCLE_NODE_VERSION=${CIRCLE_NODE_VERSION}"
     - restore_cache:
         keys:
-          - npm-cache-01-{{ .Environment.CIRCLE_JOB }}-{{ checksum "/tmp/checksums.txt" }}-F267A71D
+          - npm-cache-01-{{ .Environment.CIRCLE_JOB }}-{{ checksum "/tmp/checksums.txt" }}
     - run:
         name: Install Root Dependencies
         command: npm install --ignore-scripts
@@ -109,7 +112,7 @@ browsers_unit_tests: &browsers_unit_tests
           echo "CIRCLE_NODE_VERSION=${CIRCLE_NODE_VERSION}"
     - restore_cache:
         keys:
-          - npm-cache-01-{{ .Environment.CIRCLE_JOB }}-{{ checksum "/tmp/checksums.txt" }}-F267A71D
+          - npm-cache-01-{{ .Environment.CIRCLE_JOB }}-{{ checksum "/tmp/checksums.txt" }}
     - run:
         name: Install Root Dependencies
         command: npm install --ignore-scripts
@@ -125,6 +128,40 @@ browsers_unit_tests: &browsers_unit_tests
         name: report coverage
         command: if [ "$CIRCLE_NODE_VERSION" = "v12" ]; then npm run codecov:browser; fi
 
+build_metrics: &build_metrics
+  resource_class: large
+  steps:
+    - checkout
+    - run:
+        name: Create Checksum
+        command: sh .circleci/checksum.sh /tmp/checksums.txt
+    - run:
+        name: Setup environment variables
+        command: |
+          echo "export CIRCLE_NODE_VERSION=\$(node --version | grep -oE 'v[0-9]+')" >> $BASH_ENV
+          source $BASH_ENV
+    - run:
+        name: Log out node.js version
+        command: |
+          node --version
+          echo "CIRCLE_NODE_VERSION=${CIRCLE_NODE_VERSION}"
+    - restore_cache:
+        keys:
+          - npm-cache-01-{{ .Environment.CIRCLE_JOB }}-{{ checksum "/tmp/checksums.txt" }}
+    - run:
+        name: Install Root Dependencies
+        command: npm install --ignore-scripts
+    - run:
+        name: Boostrap dependencies
+        command: npx lerna bootstrap --scope @opentelemetry/rca-metrics --include-filtered-dependencies --ignore-scripts
+    - run:
+        name: Create prebuilds for native stats
+        command: npm run build:rca-metrics
+    - store_artifacts:
+        path: ./packages/opentelemetry-rca-metrics/artifacts/prebuilds.tgz
+    - store_artifacts:
+        path: ./packages/opentelemetry-rca-metrics/artifacts/prebuilds.tgz.sha1
+
 jobs:
   node8:
     docker:
@@ -157,6 +194,11 @@ jobs:
     docker:
       - image: circleci/node:12-browsers
     <<: *browsers_unit_tests
+  build-native-stats:
+    docker:
+      - image: node:14
+        environment: *node_test_env
+    <<: *build_metrics
 
 workflows:
   version: 2
@@ -166,4 +208,8 @@ workflows:
       - node10
       - node12
       - node12-browsers
-
+      - build-native-stats:
+          filters:
+            branches:
+              only:
+                - master

.gitignore

@@ -81,4 +81,3 @@ package.json.lerna_backup
 
 *.iml
 .idea
-

.nycrc

@@ -9,7 +9,10 @@
     "karma.conf.js",
     "src/platform/browser/*.ts",
     "test/index-webpack.ts",
-    "webpack/*.js"
+    "webpack/*.js",
+    "packages/opentelemetry-rca-metrics/scripts/*.js",
+    ".eslintrc.js",
+    "version.ts"
   ],
   "all": true
 }

codecov.yml

@@ -13,3 +13,5 @@ coverage:
       default:
         target: auto
         threshold: 1%
+ignore:
+  - "packages/opentelemetry-rca-metrics/scripts"

examples/rca-metrics/node.js

@@ -0,0 +1,19 @@
+'use strict';
+
+const { RCAMetrics } = require('@opentelemetry/rca-metrics');
+const { PrometheusExporter } = require('@opentelemetry/exporter-prometheus');
+
+const exporter = new PrometheusExporter(
+  {
+    startServer: true,
+  },
+  () => {
+    console.log('prometheus scrape endpoint: http://localhost:9464/metrics');
+  },
+);
+
+const rcaMetrics = new RCAMetrics({
+  exporter,
+  interval: 2000,
+});
+rcaMetrics.start();

examples/rca-metrics/package.json

@@ -0,0 +1,36 @@
+{
+  "name": "rca-metrics-example",
+  "private": true,
+  "version": "0.9.0",
+  "description": "Example of using @opentelemetry/rca-metrics",
+  "main": "index.js",
+  "scripts": {
+    "start": "node node.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+ssh://git@github.com/open-telemetry/opentelemetry-js-contrib.git"
+  },
+  "keywords": [
+    "opentelemetry",
+    "http",
+    "tracing",
+    "metrics"
+  ],
+  "engines": {
+    "node": ">=8"
+  },
+  "author": "OpenTelemetry Authors",
+  "license": "Apache-2.0",
+  "bugs": {
+    "url": "https://github.com/open-telemetry/opentelemetry-js/issues"
+  },
+  "dependencies": {
+    "@opentelemetry/api": "^0.10.2",
+    "@opentelemetry/core": "^0.10.2",
+    "@opentelemetry/exporter-prometheus": "^0.10.2",
+    "@opentelemetry/metrics": "^0.10.2",
+    "@opentelemetry/rca-metrics": "^0.9.0"
+  },
+  "homepage": "https://github.com/open-telemetry/opentelemetry-js#readme"
+}

package.json

@@ -17,6 +17,7 @@
     "precompile": "tsc --version",
     "version:update": "lerna run version:update",
     "compile": "lerna run compile",
+    "build:rca-metrics": "lerna run build:rca-metrics",
     "test": "lerna run test",
     "test:browser": "lerna run test:browser",
     "bootstrap": "lerna bootstrap",

packages/opentelemetry-rca-metrics/.eslintignore

@@ -0,0 +1 @@
+build

packages/opentelemetry-rca-metrics/.eslintrc.js

@@ -0,0 +1,7 @@
+module.exports = {
+    "env": {
+        "mocha": true,
+        "node": true
+    },
+    ...require('../../eslint.config.js')
+}

packages/opentelemetry-rca-metrics/.npmignore

@@ -0,0 +1,4 @@
+/bin
+/coverage
+/doc
+/test