├── .babelrc
├── .editorconfig
├── .eslintignore
├── .eslintrc
├── .gitignore
├── .travis.yml
├── LICENSE
├── README.md
├── docs
├── README.md
├── add-zipkin-endpoint.png
├── opening-1.png
├── opening-2.png
└── show-traces.png
├── manifest.json
├── package-lock.json
├── package.json
├── src
├── background.js
├── devtools.js
├── html
│ ├── devtools.html
│ └── panel.html
├── img
│ └── icon64.png
├── lib
│ ├── ExtensionToPanelPubsub.js
│ ├── PanelToExtensionPubsub.js
│ ├── PluginStorage.js
│ ├── Pubsub.js
│ ├── RemoteSetInterval.js
│ ├── RemoteStorage.js
│ ├── ZipkinPanel.js
│ ├── ZipkinPlugin.js
│ ├── addNetworkEvents.js
│ ├── attachBeforeSendHeadersListener.js
│ ├── checkZipkinUI.js
│ ├── matchUrl.js
│ └── zipkinUI.js
└── panel.js
├── test-server.js
├── test
└── matchUrl.test.js
├── upload.js
├── webpack.config.js
└── zipkin.png
/.babelrc:
--------------------------------------------------------------------------------
1 | {
2 | "presets": [
3 | ["env", {
4 | "modules": false,
5 | "targets": {
6 | "browsers": ["last 2 Chrome versions", "last 2 Firefox versions"]
7 | }
8 | }],
9 | "react"
10 | ],
11 | "plugins": [
12 | "transform-object-rest-spread",
13 | "transform-class-properties"
14 | ],
15 | "env": {
16 | "test": {
17 | "plugins": ["transform-es2015-modules-commonjs"]
18 | }
19 | }
20 | }
21 |
--------------------------------------------------------------------------------
/.editorconfig:
--------------------------------------------------------------------------------
1 | [*.js]
2 | end_of_line = lf
3 | insert_final_newline = true
4 | indent_style = space
5 | indent_size = 2
6 | trim_trailing_whitespace = true
7 |
--------------------------------------------------------------------------------
/.eslintignore:
--------------------------------------------------------------------------------
1 | build/
2 | dist/
3 |
--------------------------------------------------------------------------------
/.eslintrc:
--------------------------------------------------------------------------------
1 | {
2 | "root": true,
3 | "parser": "babel-eslint",
4 | "extends": ["airbnb", "prettier"],
5 | "plugins": ["prettier"],
6 | "env": {
7 | "browser": true,
8 | "shared-node-browser": true
9 | },
10 | "globals": {
11 | "browser": false
12 | },
13 | "rules": {
14 | "react/jsx-filename-extension": "off",
15 | "class-methods-use-this": "off",
16 | "no-plusplus": "off",
17 | "no-alert": "off",
18 | "no-console": "off",
19 | "prettier/prettier": ["error", { "singleQuote": true, "trailingComma": "all" }]
20 | },
21 | "overrides": [
22 | {
23 | "files": "test/**/*",
24 | "env": {
25 | "jest": true
26 | }
27 | }
28 | ]
29 | }
30 |
--------------------------------------------------------------------------------
/.gitignore:
--------------------------------------------------------------------------------
1 | node_modules/
2 | client-secret.txt
3 | refresh-token.txt
4 | build/
5 | dist/
6 | coverage/
7 |
--------------------------------------------------------------------------------
/.travis.yml:
--------------------------------------------------------------------------------
1 | language: node_js
2 | node_js: 8
3 |
4 | script:
5 | - npm run build
6 | - npm run lint
7 |
8 | notifications:
9 | webhooks:
10 | urls:
11 | - https://webhooks.gitter.im/e/ead3c37d57527214e9f2
12 | - https://webhooks.gitter.im/e/e57478303f87ecd7bffc
13 | on_success: change
14 | on_failure: always
15 |
--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
1 | Apache License
2 |
3 | Version 2.0, January 2004
4 |
5 | http://www.apache.org/licenses/
6 |
7 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
8 |
9 | 1. Definitions.
10 |
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12 |
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14 |
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16 |
17 | "You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License.
18 |
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22 |
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48 |
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50 |
51 | 9. Accepting Warranty or Additional Liability. While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability.
52 |
53 | END OF TERMS AND CONDITIONS
--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
1 | [](https://travis-ci.org/openzipkin/zipkin-browser-extension)
2 |
3 | # Zipkin Chrome Extension
4 |
5 | This is an extension to the Chrome browser that lets you trigger trace generation when using your application.
6 |
7 | ## Installing
8 |
9 | The Chrome extension can be [installed directly from Chrome Web Store](https://chrome.google.com/webstore/detail/zipkin-chrome-extension/jdpmaacocdhbmkppghmgnjmfikeeldfe).
10 |
11 | The Firefox plugin is not production-ready yet, but can be installed manuelly by building the project from source.
12 |
13 | ## Usage
14 |
15 | Check out the [Usage documentation](https://github.com/openzipkin/zipkin-chrome-extension/blob/master/docs/README.md).
16 |
17 | ## Developing on Chrome
18 |
19 | - git clone [repo url] into [working directory]
20 | - npm install
21 | - npm run dev-chrome
22 | - Follow [Google's guide](https://developer.chrome.com/extensions/getstarted#unpacked) on how to set up
23 | a local development environment for the extension.
24 |
25 | ## Developing on Firefox
26 |
27 | - git clone [repo url] into [working directory]
28 | - npm install
29 | - npm install -g jpm
30 | - npm run dev-firefox
31 | - cd build/firefox
32 | - jpm run
33 |
34 | ## Building
35 |
36 | - npm install
37 | - npm run build
38 |
39 | This will build a .zip file that should be uploaded to Chrome Web Store.
40 |
41 | ## Publishing to Chrome Web Store
42 |
43 | First, you need two API secrets;
44 | 1) create the file `client-secret.txt` in the root directory of this repository, with our client secret.
45 | 2) create the file `refresh-token.txt` in the root directory of this repository, with our refresh token.
46 |
47 | - Upload the artifact to Chrome Web Store: `node upload.js upload`
48 |
49 | - Publish the latest uploaded artifact: `node upload.js publish`
50 |
51 | - Increment the version in the `VERSION` file
52 |
53 | ## Directory structure
54 |
55 | This is the blog post the directory structure of this project is inspired from:
56 |
57 | http://frontendbabel.info/articles/developing-cross-browser-extensions/
58 |
--------------------------------------------------------------------------------
/docs/README.md:
--------------------------------------------------------------------------------
1 | Usage
2 | =====
3 |
4 | 1) Install the extension, either via Chrome Web Store, or build it manually from source.
5 |
6 | 
7 |
8 | 2) Open Chrome and go to a web site, right-click -> Inspect. This will open Chrome developer tools.
9 |
10 | 
11 |
12 | 3) A panel appears, called Zipkin. Choose it.
13 |
14 | 
15 |
16 | 4) Here, you'll need to configure the URL to your Zipkin UI/query server.
17 |
18 | Once you've provided a URL, Chrome will attempt to contact that server, and "auto-discover" its configuration.
19 | You can configure multiple Zipkin endpoints if you want to; e.g. one for your development environment, and one for production.
20 | In this example case, we specified there's a Zipkin UI running on http://localhost:9411, which probably isn't what you will have in an actual environment; only if you're running the Zipkin server locally. Usually, it would be set to something like http://zipkin.mysite.com/.
21 |
22 | 
23 |
24 | 5) Use your application and generate traces
25 | While you navigate around, Chrome will add Zipkin trace headers to all HTTP requests. In the Zipkin extension, you can
26 | click on a generated trace ID to take you directly to the Zipkin UI, displaying that trace.
27 |
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/manifest.json:
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1 | {
2 | "manifest_version": 2,
3 | "name": "Zipkin Browser Extension",
4 | "devtools_page": "devtools.html",
5 | "background": {
6 | "scripts": [
7 | "browser-polyfill.js",
8 | "background.bundle.js"
9 | ],
10 | "persistent": true
11 | },
12 | "icons": {
13 | "48": "icon64.png"
14 | },
15 | "permissions": [
16 | "activeTab",
17 | "webRequest",
18 | "webRequestBlocking",
19 | "storage",
20 | "http://*/",
21 | "https://*/"
22 | ]
23 | }
24 |
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/package.json:
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1 | {
2 | "name": "zipkin-browser-extension",
3 | "version": "0.0.4",
4 | "description": "Lets you trigger Zipkin traces from the browser, while using your application",
5 | "scripts": {
6 | "lint": "eslint .",
7 | "clean": "rimraf build/ dist/",
8 | "dev": "npm run clean && webpack",
9 | "dev:firefox": "npm run dev && web-ext run --source-dir ./build",
10 | "test": "jest",
11 | "build": "npm test && npm run dev"
12 | },
13 | "author": "OpenZipkin",
14 | "license": "Apache-2.0",
15 | "repository": "openzipkin/zipkin-browser-extension",
16 | "devDependencies": {
17 | "babel-core": "^6.7.4",
18 | "babel-eslint": "^7.2.3",
19 | "babel-loader": "^7.1.2",
20 | "babel-plugin-transform-class-properties": "^6.24.1",
21 | "babel-plugin-transform-es2015-modules-commonjs": "^6.26.0",
22 | "babel-plugin-transform-object-rest-spread": "^6.26.0",
23 | "babel-preset-env": "^1.6.0",
24 | "babel-preset-react": "^6.24.1",
25 | "chrome-dev-webpack-plugin": "^0.3.3",
26 | "copy-webpack-plugin": "^4.0.1",
27 | "eslint": "^4.6.1",
28 | "eslint-config-airbnb": "^15.1.0",
29 | "eslint-config-prettier": "^2.3.0",
30 | "eslint-plugin-import": "^2.7.0",
31 | "eslint-plugin-jsx-a11y": "^5.1.1",
32 | "eslint-plugin-prettier": "^2.2.0",
33 | "eslint-plugin-react": "^7.3.0",
34 | "express": "^4.13.4",
35 | "extract-text-webpack-plugin": "^3.0.0",
36 | "file-loader": "^0.11.2",
37 | "google-auth-library": "^0.9.7",
38 | "jest": "^21.0.1",
39 | "node-fetch": "^1.5.1",
40 | "prettier": "^1.6.1",
41 | "rimraf": "^2.6.1",
42 | "web-ext": "^2.0.0",
43 | "webextension-polyfill": "^0.1.1",
44 | "webpack": "^3.5.5",
45 | "zip-webpack-plugin": "^2.0.0"
46 | },
47 | "dependencies": {
48 | "prop-types": "^15.5.10",
49 | "random-js": "^1.0.8",
50 | "react": "^15.6.1",
51 | "react-dom": "^15.6.1"
52 | }
53 | }
54 |
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/src/background.js:
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1 | import ExtensionToPanelPubsub from './lib/ExtensionToPanelPubsub';
2 | import { RemoteStorageClient } from './lib/RemoteStorage';
3 | import { RemoteSetIntervalClient } from './lib/RemoteSetInterval';
4 | import ZipkinPlugin from './lib/ZipkinPlugin';
5 |
6 | import attachBeforeSendHeadersListener from './lib/attachBeforeSendHeadersListener';
7 |
8 | attachBeforeSendHeadersListener(browser.webRequest);
9 |
10 | const pubsub = new ExtensionToPanelPubsub(browser.runtime);
11 | const storage = new RemoteStorageClient(pubsub);
12 | const remoteSetInterval = new RemoteSetIntervalClient(pubsub);
13 | // eslint-disable-next-line no-new
14 | new ZipkinPlugin({
15 | pubsub,
16 | storage,
17 | setInterval: remoteSetInterval.setInterval,
18 | clearInterval: remoteSetInterval.clearInterval,
19 | // network: browser.devtools.network
20 | });
21 |
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/src/devtools.js:
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1 | browser.devtools.panels.create('Zipkin', 'icon64.png', 'panel.html');
2 |
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/src/html/devtools.html:
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1 |
2 |
3 |
4 |
5 | Zipkin Chrome Extension
6 |
7 |
8 |
9 |
10 |
11 |
12 |
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/src/html/panel.html:
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
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/src/lib/ExtensionToPanelPubsub.js:
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1 | import Pubsub from './Pubsub';
2 |
3 | export default class ExtensionToPanelPubsub extends Pubsub {
4 | constructor(browserRuntime) {
5 | super();
6 | const setupConnection = () => {
7 | this.connectionPromise = new Promise(resolve => {
8 | console.log('setting up connection to panel');
9 | browserRuntime.onConnect.addListener(devToolsConnection => {
10 | console.log('connection to panel established!');
11 | const devToolsListener = request => {
12 | console.log(
13 | `extension received message ${request.type}`,
14 | request.message,
15 | );
16 | this.notifySubscribers(request.type, request.message);
17 | };
18 | devToolsConnection.onMessage.addListener(devToolsListener);
19 | devToolsConnection.onDisconnect.addListener(() => {
20 | console.log('WE DISCONNECTED!');
21 | devToolsConnection.onMessage.removeListener(devToolsListener);
22 | setupConnection();
23 | });
24 | resolve(devToolsConnection);
25 | });
26 | });
27 | };
28 | setupConnection();
29 | }
30 |
31 | async pub(topic, message = {}) {
32 | this.notifySubscribers(topic, message);
33 | console.log('publishing from extension to panel we need connection first');
34 | const conn = await this.connectionPromise;
35 | console.log('we now have connection to the panel, we can publish', {
36 | topic,
37 | message,
38 | });
39 | return conn.postMessage({ type: topic, message });
40 | }
41 | }
42 |
--------------------------------------------------------------------------------
/src/lib/PanelToExtensionPubsub.js:
--------------------------------------------------------------------------------
1 | import Pubsub from './Pubsub';
2 |
3 | export default class PanelToExtensionPubsub extends Pubsub {
4 | constructor() {
5 | super();
6 | const connectToBackgroundPage = () => {
7 | console.log('Connecting to extension');
8 | this.backgroundPageConnection = browser.runtime.connect({
9 | name: 'devtools-page',
10 | });
11 | console.log('connected to extension');
12 |
13 | const messageListener = request => {
14 | console.log(`panel received message ${request.type}`, request.message);
15 | console.log('substribers are', this.handlers);
16 | this.notifySubscribers(request.type, request.message);
17 | };
18 |
19 | this.backgroundPageConnection.onMessage.addListener(messageListener);
20 | this.backgroundPageConnection.onDisconnect.addListener(() => {
21 | this.backgroundPageConnection.onMessage.removeListener(messageListener);
22 | connectToBackgroundPage();
23 | });
24 | };
25 | connectToBackgroundPage();
26 | }
27 | pub(topic, message = {}) {
28 | console.log(`publishing from panel to extension ${topic}`, message);
29 | this.notifySubscribers(topic, message);
30 | console.log(
31 | 'all local subscribers were notified, now posting to background page connection',
32 | );
33 | this.backgroundPageConnection.postMessage({
34 | type: topic,
35 | message,
36 | });
37 | }
38 | }
39 |
--------------------------------------------------------------------------------
/src/lib/PluginStorage.js:
--------------------------------------------------------------------------------
1 | export default class PluginStorage {
2 | constructor(browserStorage) {
3 | this.browserStorage = browserStorage;
4 | this.listeners = {};
5 | this.browserStorage.onChanged.addListener(changes => {
6 | Object.entries(changes)
7 | .filter(([key]) => this.listeners[key])
8 | .forEach(([key, value]) => {
9 | this.listeners[key].forEach(listener => listener(value.newValue));
10 | });
11 | });
12 | }
13 |
14 | async get(key, defaultValue = undefined) {
15 | console.log('sync getting', key);
16 |
17 | const data = await this.browserStorage.sync.get(key);
18 | console.log('sync got', data);
19 |
20 | return data[key] !== undefined ? data[key] : defaultValue;
21 | }
22 |
23 | set(key, value) {
24 | console.log('sync ZETting', value);
25 | const data = {};
26 | data[key] = value;
27 |
28 | return this.browserStorage.sync.set(data);
29 | }
30 |
31 | onChange(key, listener) {
32 | this.listeners[key] = this.listeners[key] || {};
33 | this.listeners[key].push(listener);
34 | }
35 | }
36 |
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/src/lib/Pubsub.js:
--------------------------------------------------------------------------------
1 | // eslint-disable-next-line no-unused-vars
2 | function consoleDebug(msg) {
3 | // This can be uncommented for more debugging
4 | // console.log(msg);
5 | }
6 |
7 | export default class Pubsub {
8 | constructor() {
9 | this.handlers = {};
10 | this.queryId = 0;
11 | }
12 |
13 | query(topic, message, callback) {
14 | consoleDebug(`query for ${topic}`, message);
15 | const currentQueryId = this.queryId;
16 | const cb = reply => {
17 | if (reply.queryId === currentQueryId) {
18 | consoleDebug(`got reply for ${topic}`, reply);
19 | this.unsub(cb);
20 | callback(reply.response);
21 | }
22 | };
23 | this.sub(`${topic}.response`, cb);
24 | this.pub(`${topic}.request`, {
25 | queryId: currentQueryId,
26 | query: message,
27 | });
28 | this.queryId++;
29 | }
30 |
31 | serve(topic, handler) {
32 | consoleDebug(`set up server for ${topic}`);
33 | this.sub(`${topic}.request`, ({ queryId, query }) => {
34 | consoleDebug(`received request for ${topic}(id=${queryId})`, query);
35 | handler(query, response => {
36 | consoleDebug(
37 | `the handler for ${topic} was finished, responding with`,
38 | response,
39 | );
40 | this.pub(`${topic}.response`, { queryId, response });
41 | });
42 | });
43 | }
44 |
45 | // pub(topic, message) {} is abstract and
46 | // should be implemented by pubsub implementations.
47 |
48 | notifySubscribers(topic, message) {
49 | if (this.handlers[topic]) {
50 | consoleDebug(`notifying subscriber for ${topic}`, message);
51 | this.handlers[topic].forEach(listener => listener(message));
52 | }
53 | }
54 |
55 | sub(topic, listener) {
56 | consoleDebug('before sub, listeners are', this.handlers[topic]);
57 | this.handlers[topic] = this.handlers[topic] || [];
58 | consoleDebug('attaching listener', listener);
59 | this.handlers[topic].push(listener);
60 | consoleDebug('all handlers are now', this.handlers);
61 | this.handlers[topic].forEach(handler => {
62 | consoleDebug('the type of handler is', handler);
63 | });
64 | }
65 |
66 | unsub(topic, listener) {
67 | consoleDebug('before unsub, listeners are', this.handlers[topic]);
68 | if (this.handlers[topic]) {
69 | this.handlers[topic].splice(this.handlers[topic].indexOf(listener), 1);
70 | }
71 | consoleDebug('after unsub, listeners are', this.handlers[topic]);
72 | }
73 | }
74 |
--------------------------------------------------------------------------------
/src/lib/RemoteSetInterval.js:
--------------------------------------------------------------------------------
1 | export function RemoteSetIntervalClient(pubsub) {
2 | let internalIntervalId = 0;
3 | const callbacks = [];
4 | pubsub.sub('setInterval.response', ({ intervalId }) => {
5 | console.log('Client: received setInterval poll', intervalId);
6 | if (callbacks[intervalId]) {
7 | callbacks[intervalId].call();
8 | }
9 | });
10 |
11 | function setInterval(callback, interval) {
12 | console.log(
13 | 'Client: Now setting up remote setInterval',
14 | internalIntervalId,
15 | );
16 | pubsub.pub('setInterval.request', {
17 | intervalId: internalIntervalId,
18 | interval,
19 | });
20 | callbacks[internalIntervalId] = callback;
21 | internalIntervalId++;
22 | }
23 | function clearInterval(callback) {
24 | const intervalId = callbacks.indexOf(callback);
25 | if (intervalId !== -1) {
26 | pubsub.pub('setInterval.clear', { intervalId });
27 | delete callbacks[intervalId];
28 | }
29 | }
30 |
31 | return {
32 | setInterval,
33 | clearInterval,
34 | };
35 | }
36 |
37 | export function RemoteSetIntervalServer(pubsub, setInterval, clearInterval) {
38 | const responders = [];
39 |
40 | function makeResponder(intervalId) {
41 | console.log('Server: sending setInterval poll', intervalId);
42 | return () => pubsub.pub('setInterval.response', { intervalId });
43 | }
44 |
45 | pubsub.sub('setInterval.request', ({ intervalId, interval }) => {
46 | console.log('Server: Received request for setInterval', intervalId);
47 | responders[intervalId] = makeResponder(intervalId);
48 | setInterval(responders[intervalId], interval);
49 | });
50 |
51 | pubsub.sub('setInterval.clear', ({ intervalId }) => {
52 | clearInterval(responders[intervalId]);
53 | delete responders[intervalId];
54 | });
55 | }
56 |
--------------------------------------------------------------------------------
/src/lib/RemoteStorage.js:
--------------------------------------------------------------------------------
1 | export class RemoteStorageClient {
2 | constructor(pubsub) {
3 | this.pubsub = pubsub;
4 | }
5 |
6 | get(key, defaultValue = undefined) {
7 | return new Promise(resolve =>
8 | this.pubsub.query('remoteStorage.get', { key, defaultValue }, resolve),
9 | );
10 | }
11 |
12 | set(key, value) {
13 | return new Promise(resolve =>
14 | this.pubsub.query('remoteStorage.set', { key, value }, resolve),
15 | );
16 | }
17 |
18 | onChange(key, listener) {
19 | this.pubsub.sub('remoteStorage.onchange', key, listener);
20 | }
21 | }
22 |
23 | export class RemoteStorageServer {
24 | constructor(pubsub, storage) {
25 | pubsub.serve('remoteStorage.get', ({ key, defaultValue }, callback) =>
26 | storage.get(key, defaultValue).then(callback),
27 | );
28 | pubsub.serve('remoteStorage.set', ({ key, value }, callback) =>
29 | storage.set(key, value).then(callback),
30 | );
31 | pubsub.serve('remoteStorage.onchange', (key, resolve) =>
32 | storage.onChange(key, resolve),
33 | );
34 | }
35 | }
36 |
--------------------------------------------------------------------------------
/src/lib/ZipkinPanel.js:
--------------------------------------------------------------------------------
1 | import React, { Component } from 'react';
2 | import PropTypes from 'prop-types';
3 | import ZipkinUI from './zipkinUI';
4 | import matchUrl from './matchUrl';
5 |
6 | export default class ZipkinPanel extends Component {
7 | static propTypes = {
8 | pubsub: PropTypes.shape({
9 | sub: PropTypes.func().isRequired,
10 | }).isRequired,
11 | themeName: PropTypes.string(),
12 | };
13 |
14 | static defaultProps = {
15 | themeName: 'default',
16 | };
17 |
18 | constructor(props) {
19 | super(props);
20 | this.state = {
21 | requests: [],
22 | zipkinUrls: [],
23 | };
24 | }
25 |
26 | componentDidMount() {
27 | this.props.pubsub.sub(
28 | 'zipkinUrls.status',
29 | this.handleZipkinUrlsChange.bind(this),
30 | );
31 | this.props.pubsub.sub('navigated', () => this.setState({ requests: [] }));
32 | this.props.pubsub.sub(
33 | 'requestFinished',
34 | this.handleRequestFinished.bind(this),
35 | );
36 | }
37 |
38 | handleRequestFinished(request) {
39 | const [traceId] = request.headers.filter(
40 | h => h.name.toLowerCase() === 'x-b3-traceid',
41 | );
42 | if (traceId) {
43 | this.setState({
44 | requests: [
45 | ...this.state.requests,
46 | {
47 | traceId: traceId.value,
48 | url: request.url,
49 | },
50 | ],
51 | });
52 | }
53 | }
54 |
55 | traceLink(traceId, requestUrl) {
56 | const url = matchUrl(requestUrl, this.state.zipkinUrls);
57 | if (url == null) {
58 | return null;
59 | }
60 | return `${url.url}/traces/${encodeURIComponent(traceId)}`;
61 | }
62 |
63 | handleZipkinUrlsChange(value) {
64 | this.setState({
65 | zipkinUrls: value,
66 | });
67 | }
68 |
69 | render() {
70 | const darkTheme = this.props.themeName === 'dark';
71 | const textColor = darkTheme ? '#a5a5a5' : '#000';
72 | const linkColor = darkTheme ? '#66ccff' : undefined;
73 |
74 | const alignLeft = { textAlign: 'left', verticalAlign: 'top' };
75 | return (
76 |