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https://github.com/mobz/elasticsearch-head

A web front end for an elastic search cluster
https://github.com/mobz/elasticsearch-head

Last synced: 4 months ago
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A web front end for an elastic search cluster

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README 

        
h1. elasticsearch-head



h2. A web front end for an Elasticsearch cluster



h3. "http://mobz.github.io/elasticsearch-head":http://mobz.github.io/elasticsearch-head



h2. Running



There are multiple ways of running elasticsearch-head.



h4. Running with built in server



* @git clone git://github.com/mobz/elasticsearch-head.git@

* @cd elasticsearch-head@

* @npm install@

* @npm run start@



* @open@ "http://localhost:9100/":http://localhost:9100/



This will start a local webserver running on port 9100 serving elasticsearch-head



h4. Running with docker



* for Elasticsearch 5.x: @docker run -p 9100:9100 mobz/elasticsearch-head:5@

* for Elasticsearch 2.x: @docker run -p 9100:9100 mobz/elasticsearch-head:2@

* for Elasticsearch 1.x: @docker run -p 9100:9100 mobz/elasticsearch-head:1@

* for fans of alpine there is @mobz/elasticsearch-head:5-alpine@

  

* @open@ "http://localhost:9100/":http://localhost:9100/



h4. Running as a Chrome extension



* Install "ElasticSearch Head":https://chrome.google.com/webstore/detail/elasticsearch-head/ffmkiejjmecolpfloofpjologoblkegm/ from the Chrome Web Store.

* Click the extension icon in the toolbar of your web browser.

* Note that you don't need to "enable CORS":#enable-cors-in-elasticsearch with this method.



h4. Running as a plugin of Elasticsearch (deprecated)



* for Elasticsearch 5.x, 6.x, and 7.x: site plugins are not supported. Run "as a standalone server":#running-with-built-in-server

* for Elasticsearch 2.x: @sudo elasticsearch/bin/plugin install mobz/elasticsearch-head@

* for Elasticsearch 1.x: @sudo elasticsearch/bin/plugin -install mobz/elasticsearch-head/1.x@

* for Elasticsearch 0.x: @sudo elasticsearch/bin/plugin -install mobz/elasticsearch-head/0.9@



* @open http://localhost:9200/_plugin/head/@



This will automatically download the appropriate version of elasticsearch-head from github and run it as a plugin within the elasticsearch cluster. In this mode elasticsearch-head automatically connects to the node that is running it



h4. Running with the local proxy



This is an _experimental feature_ which creates a local proxy for many remote elasticsearch clusters



* configure clusters in proxy/clusters

* create a file per remote cluster you want to connect to ( see @localhost9200.json@ as example )

* requires node >= 6.0 

* @npm install@

* @npm run proxy@



At the moment it only works with @grunt server@ running on http://localhost:9100



h4. Alternatives



* File System: elastisearch-head is a standalone webapp written in good-ol' html5. This means, you can put it up on any webserver, run it directly from the filesystem. It'll even fit on a floppy disk.

* DEB package: There is an unofficial deb package. the plugin executable will be available at @/usr/share/elasticsearch/bin/plugin@.

* Homebrew: There is an unofficial keg. The plugin executable will be available at @/usr/local/Cellar/elasticsearch/(elasticsearch version)/libexec/bin/plugin@.



h3. Connecting to elasticsearch



By default elasticsearch exposes a http rest API on port 9200 which elasticsearch-head connects to.



h4. Enable CORS in elasticsearch



When not running as a Chrome extension or as a plugin of elasticsearch (which is not even possible from version 5), you must enable "CORS":https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-http.html in elasticsearch, or else your browser will reject elasticsearch-head's requests due to violation of the same-origin policy.



In elasticsearch configuration;



* add @http.cors.enabled: true@

* you must also set @http.cors.allow-origin@ because no origin allowed by default. @http.cors.allow-origin: "*"@ is valid value, however it's considered as a security risk as your cluster is open to cross origin from *anywhere*.



h4. Basic Authentication



elasticsearch-head will add basic auth headers to each request if you pass in the "correct url parameters":#url-parameters

You will also need to add @http.cors.allow-headers: Authorization@ to the elasticsearch configuration



h4. x-pack



elasticsearch x-pack requires basic authentication _and_ CORS as described above. Make sure you have the correct CORS setup and then open es-head with a url like "http://localhost:9100/?auth_user=elastic&auth_password=changeme"



h4. URL Parameters



Parameters may be appended to the url to set an initial state eg. @head/index.html?base_uri=http://node-01.example.com:9200@



* @base_uri@ force elasticsearch-head to connect to a particular node.

* @dashboard@ experimental feature to open elasticsearch-head in a mode suitable for dashboard / radiator. Accepts one parameter @dashboard=cluster@

* @auth_user@ adds basic auth credentials to http requests ( requires "elasticsearch-http-basic":https://github.com/karussell/elasticsearch-http-basic plugin or a reverse proxy )

* @auth_password@ basic auth password as above (note: without "additional security layers":http://security.stackexchange.com/questions/988/is-basic-auth-secure-if-done-over-https, passwords are sent over the network *in the clear* )

* @lang@ force elasticsearch-head to use specified ui language (eg: en, fr, pt, zh, zh-TW, tr, ja)



h4. Contributing



To contribute to elasticsearch-head you will need the following developer tools



# git and a "github":https://github.com/ account

# "node ( including npm )":http://nodejs.org/download

# "grunt-cli":http://gruntjs.com/getting-started

# (to run jasmine tests) "phantomjs":http://phantomjs.org



Then



# create a fork of elasticsearch-head on github

# clone your fork to your machine

# @cd elasticsearch-head@

# @npm install@ # downloads node dev dependencies

# @grunt dev@ # builds the distribution files, then watches the src directory for changes (if you have an warning like "Warning: Task "clean" failed. Use --force to continue.", well use --force ;) )



Changes to both _site and src directories *must* be committed, to allow people to 

run elasticsearch-head without running dev tools and follow existing dev patterns, 

such as indenting with tabs.



h5. Contributing an Internationalisation



* Simplified Chinese by "darkcount":https://github.com/hangxin1940

* Traditional Chinese by "kewang":https://github.com/kewang

* English (primary) by "Ben Birch":https://twitter.com/mobz

* French by "David Pilato":https://twitter.com/dadoonet

* Portuguese by "caiodangelo":https://github.com/caiodangelo

* Turkish by "Cemre Mengu":https://github.com/cemremengu

* Japanese by "Satoshi Kimura":https://github.com/satoshi-kimura

* Vietnamese by "Du Tran":https://github.com/quangdutran



To contribute an internationalisation



# Follow "Contributing" instructions above

# Find your 2-character "ISO 639-1 language code":http://en.wikipedia.org/wiki/List_of_ISO_639-1_codes

# edit _site/index.html to add your 2 letter language code to the data-langs attribute of this line @@

# make a copy of @src/app/langs/en_strings.js@ prefixed with your language code

# convert english strings and fragments to your language. "Formatting Rules":http://docs.oracle.com/javase/tutorial/i18n/format/messageintro.html

# Submit a pull request



!http://mobz.github.com/elasticsearch-head/screenshots/clusterOverview.png(ClusterOverview Screenshot)!