UI Plugins. Extending ovirt Web Admin. Vojtech Szöcs Software Engineer, Red Hat January 23, ovirt UI Plugins VOJTECH SZÖCS

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1 UI Plugins Extending ovirt Web Admin Vojtech Szöcs Software Engineer, Red Hat January 23, 2013

2 About the speaker ovirt UI maintainer Web Admin User Portal Deals with front-end application architecture Leads UI Plugins feature development

3 Topics covered in this session Feature overview Plugin design concepts What's currently possible Feature status & roadmap

4 Hackathon incoming Get your hands dirty tomorrow Make sure to have working ovirt environment ovirt Engine + ovirt Node = ovirt Live Image

5 Feature overview Extend ovirt Web Admin user interface Plugins can be packaged and distributed for use with ovirt Engine Included in ovirt 3.2 release Updates and announcements on engine-devel

6 Web Admin user interface

7 Web Admin user interface

8 Web Admin user interface

9 Web Admin user interface

10 Web Admin user interface

11 Plugin design concepts Plugins integrate with Web Admin on client using JavaScript language Simple and flexible plugin infrastructure Web Admin exposes plugin API Plugins consume the API Web Admin calls plugins at key events during Web Admin runtime

12 Discovering plugins (1) HTTP GET WebAdmin.html (3) Web Admin with UI Plugin data Web browser ovirt Engine (2) Plugin descriptor (meta-data) files /usr/share/ovirt-engine/ui-plugins/my-plugin.json Plugin user configuration files /etc/ovirt-engine/ui-plugins/my-plugin-config.json Engine machine

13 Loading plugins (1) HTTP GET PluginHostPage.html Plugin iframe container (3) Plugin resource Web Admin (4) Plugin API ovirt Engine (2) Plugin resource files /usr/share/ovirt-engine/ui-plugins/ <resourcepath>/pluginhostpage.html Engine machine

14 Writing plugins <!DOCTYPE html> <html> <head>  <script type="text/javascript" src="jquery-min.js"></script>  <script> </script> </head> <body>  </body> </html>

15 Writing plugins <!DOCTYPE html> <html> <head>  <script type="text/javascript" src="jquery-min.js"></script>  <script> // Access plugin API from iframe context var api = parent.pluginapi('myplugin'); // Register plugin event handler functions api.register({ UiInit: function() { api.addmaintab('foo Tab', 'foo-tab', ' } }); // Tell plugin infrastructure that we are ready api.ready(); </script> </head> <body>  </body> </html>

16 What's currently possible (API) Add custom {main sub} tab Control custom {main sub} tab properties Add custom main tab action button Show custom dialog

17 What's currently possible (events) User login and logout ovirt Engine REST API session acquired Main tab {entity} selection change

18 What's currently possible

19 Feature status & roadmap Included in ovirt 3.2 release Complete infrastructure-wise More plugin features to come Custom dialogs in Web Admin UI style Form and table based custom {main sub} tabs Pass proper REST API like entities to plugins Review and manage plugins in Web Admin UI

20 Useful links git://gerrit.ovirt.org/samples-uiplugins

21 Thank you! vszocs at #ovirt (irc.oftc.net)

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