From 92c8962f98857c7c442160561cf53d354167d6de Mon Sep 17 00:00:00 2001 From: Masatake Iwasaki Date: Wed, 18 Dec 2019 13:34:12 +0900 Subject: [PATCH] YARN-10020. Fix build instruction of hadoop-yarn-ui. (#1750) --- .../hadoop-yarn/hadoop-yarn-ui/README.md | 29 +++++++++++++++++-- 1 file changed, 27 insertions(+), 2 deletions(-) diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/README.md b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/README.md index e4135ec275..bc4a8296f8 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/README.md +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/README.md @@ -21,7 +21,13 @@ The YARN UI is an Ember based web-app that provides visualization of the applica ## Configurations -* You can point the UI to custom locations by setting the environment variables in `src/main/webapp/config/configs.env` +You can point the UI to custom locations by setting the environment variables in `src/main/webapp/config/configs.env`. + +In order to make the UI running on Ember server (started by `yarn start`) +work with independently running ResouceManager, +you need to enable CORS by setting `hadoop.http.cross-origin.enabled` to true +and adding `org.apache.hadoop.security.HttpCrossOriginFilterInitializer` +to `hadoop.http.filter.initializers` in core-site.xml of the ResourceManager. ## Development @@ -32,7 +38,7 @@ All the following commands must be run inside `src/main/webapp`. You will need the following things properly installed on your computer. * Install [Yarn](https://yarnpkg.com) v0.21.3 -* Install [Bower](http://bower.io/) v1.7.7 +* Install [Bower](http://bower.io/) v1.8.8 * Install all dependencies by running `yarn install` & `bower install` ### Running UI @@ -62,3 +68,22 @@ YARN UI has replaced NPM with Yarn package manager. And hence Yarn would be used ### Adding new routes (pages), controllers, components etc. * Use ember-cli blueprint generator - [Ember CLI](http://ember-cli.com/extending/#generators-and-blueprints) + +### Building with Maven + +[YARN-6278](https://issues.apache.org/jira/browse/YARN-6278) +added `yarn-ui` profile to pom.xml leveraging +[frontend-maven-plugin](https://github.com/eirslett/frontend-maven-plugin) which +automatically installs Node.js and Yarn locally under target/webapp directory. +After building yarn-ui by `mvn package -Pyarn-ui`, you can reuse +the locally installed Node.js and Yarn instead of manually installing them. + +``` +$ mvn package -Pyarn-ui +$ export PATH=$PWD/target/webapp/node:$PATH +$ export YARNJS=$PWD/target/webapp/node/yarn/dist/bin/yarn.js +$ cd src/main/webapp/ +$ node $YARNJS install +$ node node_modules/.bin/bower install +$ node $YARNJS start +```