Default to chromium and add deprecation warning for phantom. (#21505)

* Default to chromium and add deprecation warning for phantom.

* use int, not float

docs/settings/reporting-settings.asciidoc

@@ -76,8 +76,9 @@ Defaults to `3000` (3 seconds).
 [[xpack-reporting-browser]]`xpack.reporting.capture.browser.type`::
 Specifies the browser to use to capture screenshots. Valid options are `phantom`
 and `chromium`. When `chromium` is set, the settings specified in the <<reporting-chromium-settings, Chromium settings>>
-are respected.
-Defaults to `phantom`.
+are respected. This setting will be deprecated in 7.0, when Phantom support is removed.
+Defaults to `chromium`.
+
 
 [float]
 [[reporting-chromium-settings]]

x-pack/plugins/reporting/index.js

@@ -15,7 +15,7 @@ import { config as appConfig } from './server/config/config';
 import { checkLicenseFactory } from './server/lib/check_license';
 import { validateConfig } from './server/lib/validate_config';
 import { exportTypesRegistryFactory } from './server/lib/export_types_registry';
-import { createBrowserDriverFactory, getDefaultBrowser, getDefaultChromiumSandboxDisabled } from './server/browsers';
+import { PHANTOM, createBrowserDriverFactory, getDefaultBrowser, getDefaultChromiumSandboxDisabled } from './server/browsers';
 import { logConfiguration } from './log_configuration';
 
 import { getReportingUsageCollector } from './server/usage';
@@ -87,7 +87,7 @@ export const reporting = (kibana) => {
           settleTime: Joi.number().integer().default(1000), //deprecated
           concurrency: Joi.number().integer().default(appConfig.concurrency), //deprecated
           browser: Joi.object({
-            type: Joi.any().valid('phantom', 'chromium').default(await getDefaultBrowser()),
+            type: Joi.any().valid('phantom', 'chromium').default(await getDefaultBrowser()),  // TODO: remove support in 7.0
             autoDownload: Joi.boolean().when('$dev', {
               is: true,
               then: Joi.default(true),
@@ -145,6 +145,10 @@ export const reporting = (kibana) => {
       validateConfig(config, message => server.log(['reporting', 'warning'], message));
       logConfiguration(config, message => server.log(['reporting', 'debug'], message));
 
+      if (config.get('xpack.reporting.capture.browser.type') === PHANTOM) {
+        server.log(['reporting', 'warning'], 'Phantom browser type for reporting will be deprecated starting in 7.0');
+      }
+
       const { xpack_main: xpackMainPlugin } = server.plugins;
 
       mirrorPluginStatus(xpackMainPlugin, this);

x-pack/plugins/reporting/server/browsers/browser_types.js

@@ -0,0 +1,8 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+export const PHANTOM = 'phantom';
+export const CHROMIUM = 'chromium';

x-pack/plugins/reporting/server/browsers/default_browser.js

@@ -4,30 +4,28 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
-// import getosSync from 'getos';
-// import { promisify } from 'bluebird';
+import getosSync from 'getos';
+import { promisify } from 'bluebird';
+import { PHANTOM, CHROMIUM } from './browser_types';
 
-// const getos = promisify(getosSync);
+const getos = promisify(getosSync);
 
-// Chromium is unsupported on RHEL/CentOS before 7.0
-// const distroSupportsChromium = (distro, release) => {
-//   if (distro.toLowerCase() !== 'centos' && distro.toLowerCase () !== 'red hat linux') {
-//     return true;
-//   }
-//   const releaseNumber = parseInt(release, 10);
-//   return releaseNumber >= 7.0;
-// };
+// Chromium is unsupported on RHEL/CentOS before 7.0.
+const distroSupportsChromium = (distro, release) => {
+  if (distro.toLowerCase() !== 'centos' && distro.toLowerCase () !== 'red hat linux') {
+    return true;
+  }
+  const releaseNumber = parseInt(release, 10);
+  return releaseNumber >= 7;
+};
 
 
 export async function getDefaultBrowser() {
-  return 'phantom';
+  const os = await getos();
 
-  // TODO: Switch to chromium once all the kinks are worked out
-  // const os = await getos();
-  //
-  // if (os.os === 'linux' && !distroSupportsChromium(os.dist, os.release)) {
-  //   return 'phantom';
-  // } else {
-  //   return 'chromium';
-  // }
+  if (os.os === 'linux' && !distroSupportsChromium(os.dist, os.release)) {
+    return PHANTOM;
+  } else {
+    return CHROMIUM;
+  }
 }

x-pack/plugins/reporting/server/browsers/index.js

@@ -8,3 +8,4 @@ export { ensureAllBrowsersDownloaded } from './download';
 export { createBrowserDriverFactory } from './create_browser_driver_factory';
 export { getDefaultBrowser } from './default_browser';
 export { getDefaultChromiumSandboxDisabled } from './default_chromium_sandbox_disabled';
+export { PHANTOM, CHROMIUM } from './browser_types';