fix leak<->prometheus integration

spikes/leak/docker-compose.yml

@@ -53,7 +53,7 @@ services:
     depends_on:
       - plain-node
   telemetry:
-    image: prom/prometheus
+    image: prom/prometheus:v1.5.2
     ports:
      - "9090:9090"
     volumes:

spikes/leak/package.json

@@ -5,63 +5,64 @@
   "license": "private",
   "main": "src/server/index.js",
   "dependencies": {
-    "artillery": "^1.5.0-17",
-    "async": "^2.1.4",
+    "apr-map": "^1.0.3",
+    "artillery": "^1.5.2",
+    "async": "^2.1.5",
     "build-array": "^1.0.0",
-    "chart.js": "^2.4.0",
+    "chart.js": "^2.5.0",
     "date.js": "^0.3.1",
     "epimetheus": "^1.0.46",
     "force-array": "^3.1.0",
-    "good": "^7.0.2",
-    "good-console": "^6.3.1",
+    "good": "^7.1.0",
+    "good-console": "^6.4.0",
     "good-squeeze": "^5.0.1",
-    "got": "^6.6.3",
-    "hapi": "^15.2.0",
-    "hapi-webpack-dev-plugin": "1.1.4",
-    "inert": "^4.0.2",
+    "got": "^6.7.1",
+    "hapi": "^16.1.0",
+    "hapi-webpack-dev-plugin": "1.2.0",
+    "inert": "^4.1.0",
     "internet-timestamp": "^0.0.1",
     "lodash.first": "^3.0.0",
     "lodash.get": "^4.4.2",
     "lodash.take": "^4.1.1",
     "minimist": "^1.2.0",
-    "nes": "^6.3.1",
+    "nes": "^6.4.0",
     "pretty-hrtime": "^1.0.3",
-    "prom-client": "^6.1.2",
-    "qs": "^6.3.0",
-    "react": "^15.4.1",
-    "react-dom": "^15.4.1",
+    "prom-client": "^6.3.0",
+    "qs": "^6.4.0",
+    "react": "^15.4.2",
+    "react-dom": "^15.4.2",
     "react-hot-loader": "^3.0.0-beta.6",
-    "react-redux": "^4.4.6",
+    "react-redux": "^5.0.3",
     "redux": "^3.6.0",
-    "redux-logger": "^2.7.4",
-    "redux-promise-middleware": "^4.1.0",
-    "redux-thunk": "^2.1.0",
+    "redux-logger": "^2.8.2",
+    "redux-promise-middleware": "^4.2.0",
+    "redux-thunk": "^2.2.0",
     "relative-date": "^1.1.3",
     "require-dir": "^0.3.1",
-    "simple-statistics": "^2.2.0"
+    "simple-statistics": "^2.5.0"
   },
   "devDependencies": {
-    "async": "^2.1.4",
-    "babel-core": "^6.18.2",
+    "async": "^2.1.5",
+    "babel-core": "^6.23.1",
     "babel-eslint": "^7.1.1",
-    "babel-loader": "^6.2.8",
+    "babel-loader": "^6.4.0",
     "babel-plugin-add-module-exports": "^0.2.1",
-    "babel-plugin-transform-es2015-modules-commonjs": "^6.18.0",
-    "babel-plugin-transform-object-rest-spread": "^6.19.0",
-    "babel-preset-es2015": "^6.18.0",
-    "babel-preset-react": "^6.16.0",
-    "diskusage": "^0.1.5",
-    "eslint": "^3.10.2",
+    "babel-plugin-transform-es2015-modules-commonjs": "^6.23.0",
+    "babel-plugin-transform-object-rest-spread": "^6.23.0",
+    "babel-preset-es2015": "^6.22.0",
+    "babel-preset-react": "^6.23.0",
+    "diskusage": "^0.2.1",
+    "eslint": "^3.17.0",
     "eslint-config-semistandard": "^7.0.0",
-    "eslint-config-standard": "^6.2.1",
-    "eslint-plugin-babel": "^4.0.0",
-    "eslint-plugin-promise": "^3.4.0",
-    "eslint-plugin-react": "^6.7.1",
-    "eslint-plugin-standard": "^2.0.1",
+    "eslint-config-standard": "^7.0.0",
+    "eslint-plugin-babel": "^4.1.0",
+    "eslint-plugin-promise": "^3.5.0",
+    "eslint-plugin-react": "^6.10.0",
+    "eslint-plugin-standard": "^2.1.1",
     "json-loader": "^0.5.4",
     "os-utils": "^0.0.14",
-    "simple-statistics": "^2.2.0",
-    "webpack": "^1.13.3",
-    "webpack-dev-server": "^1.16.2"
+    "simple-statistics": "^2.5.0",
+    "webpack": "^2.2.1",
+    "webpack-dev-server": "^2.4.1"
   }
 }

spikes/leak/prometheus.yml

@@ -1,17 +1,17 @@
 scrape_configs:
   - job_name: 'leak-fast'
-    scrape_interval: 1s
+    scrape_interval: 15s
     static_configs:
       - targets: ['fast-node:8000', 'another-fast-node:8000']
   - job_name: 'leak-slow'
-    scrape_interval: 1s
+    scrape_interval: 15s
     static_configs:
       - targets: ['slow-node:8000']
   - job_name: 'no-leak'
-    scrape_interval: 1s
+    scrape_interval: 15s
     static_configs:
       - targets: ['plain-node:8000']
-  - job_name: 'leak'
-    scrape_interval: 1s
-    static_configs:
-      - targets: ['fast-node:8000', 'another-fast-node:8000', 'slow-node:8000', 'plain-node:8000']
+  # - job_name: 'leak'
+  #   scrape_interval: 1s
+  #   static_configs:
+  #     - targets: ['fast-node:8000', 'another-fast-node:8000', 'slow-node:8000', 'plain-node:8000']

spikes/leak/scripts/prometheus.js

@@ -1,3 +1,4 @@
+const map = require('apr-map');
 const forceArray = require('force-array');
 const get = require('lodash.get');
 const date = require('date.js');
@@ -7,11 +8,7 @@ const url = require('url');
 const qs = require('qs');
 
 const transform = (res) => {
-  return forceArray(res).reduce((sum, r) => {
-    const {
-      data
-    } = JSON.parse(r.body);
-
+  return forceArray(res).reduce((sum, { data }) => {
     const result = !Array.isArray(data)
       ? data.result
       : data;
@@ -33,12 +30,12 @@ const transform = (res) => {
       } = metric;
 
       const oldJob = get(sum, job, {});
-      const oldQuery = get(sum, `${job}.${__name__}`, {});
+      const oldInstance = get(sum, `${job}.${instance}`, {});
       const _value = values.length ? values : value
 
       return Object.assign(sum, {
         [job]: Object.assign(oldJob, {
-          [instance]: Object.assign(oldQuery, {
+          [instance]: Object.assign(oldInstance, {
             [__name__]: _value
           })
         })
@@ -47,17 +44,17 @@ const transform = (res) => {
   }, {});
 };
 
-const range = module.exports.range = ({
+const range = module.exports.range = async ({
   query = [],
   ago = '1h ago',
-  step = '1s',
+  step = '15s',
   hostname = 'localhost'
 }) => {
   const end = timestamp(new Date());
   const start = timestamp(date(ago));
 
-  return Promise.all(query.map((query) => {
-    return got(url.format({
+  const ranges = await map(query, async (query) => {
+    return await got(url.format({
       protocol: 'http:',
       slashes: true,
       port: '9090',
@@ -69,17 +66,20 @@ const range = module.exports.range = ({
         step,
         start
       }
-    }));
     }))
-  .then(transform);
+  });
+
+  return transform(
+    ranges.map((range) => JSON.parse(range.body))
+  );
 };
 
-const query = module.exports.query = ({
+const query = module.exports.query = async ({
   hostname = 'localhost',
   query = []
 }) => {
-  return Promise.all(query.map((query) => {
-    return got(url.format({
+  const res = await map(query, async (query) => {
+    return await got(url.format({
       protocol: 'http:',
       slashes: true,
       port: '9090',
@@ -88,16 +88,19 @@ const query = module.exports.query = ({
       query: {
         query: query
       }
-    }));
     }))
-  .then(transform);
+  });
+
+  return transform(
+    res.map((res) => JSON.parse(res.body))
+  );
 };
 
-const tree = module.exports.tree = ({
+const tree = module.exports.tree = async ({
   hostname = 'localhost',
   query = []
 }) => {
-  return got(url.format({
+  const res = await got(url.format({
     protocol: 'http:',
     slashes: true,
     port: '9090',
@@ -108,8 +111,9 @@ const tree = module.exports.tree = ({
     }, {
       arrayFormat: 'brackets'
     })
-  }))
-  .then(transform);
+  }));
+
+  return transform(res);
 };
 
 if (!module.parent) {
@@ -120,7 +124,7 @@ if (!module.parent) {
   const usage = () => {
     console.error(`
       Usage: node metrics.js --type={type} --query={metric} --step={step} --ago={ago}
-             node metrics.js --type=range --query=node_memory_heap_used_bytes --query=node_memory_heap_total_bytes
+             node scripts/prometheus.js --type=range --query=node_memory_heap_used_bytes --query=node_memory_heap_total_bytes
     `.trim());
 
     return process.exit(1);

spikes/leak/src/server/plugins.js

@@ -1,8 +1,6 @@
 const webpack = require('webpack');
 const path = require('path');
 
-const cfg = require('../webpack.config.js');
-
 module.exports = [
   require('inert'),
   require('nes'), {
@@ -21,10 +19,4 @@ module.exports = [
       }, 'stdout']
     }
   }
-}, {
-  register: require('hapi-webpack-dev-plugin'),
-  options: {
-    compiler: webpack(cfg),
-    devIndex: path.join(__dirname, '../static')
-  }
 }];