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| <h1>Metron Development Environments</h1> |
| <p><a name="Metron_Development_Environments"></a></p> |
| <p>This directory contains environments useful for Metron developers. These environments are not intended for proof-of-concept, testing, or production use. These are extremely resource constrained and cannot support anything beyond the most basic work loads.</p> |
| <ul> |
| |
| <li>Metron running on CentOS 6</li> |
| <li>Metron running on Ubuntu 14</li> |
| <li>Fastcapa</li> |
| </ul> |
| <div class="section"> |
| <h2><a name="Vagrant_Cachier_recommendations"></a>Vagrant Cachier recommendations</h2> |
| <p>The development boxes are designed to be spun up and destroyed on a regular basis as part of the development cycle. In order to avoid the overhead of re-downloading many of the heavy platform dependencies, Vagrant can use the <a class="externalLink" href="http://fgrehm.viewdocs.io/vagrant-cachier/">vagrant-cachier</a> plugin to store package caches between builds. If the plugin has been installed to your vagrant it will be used, and packages will be cached in ~/.vagrant/cache.</p></div> |
| <div class="section"> |
| <h2><a name="Knox_Demo_LDAP"></a>Knox Demo LDAP</h2> |
| <p>The development environment can be set up to authenticate against Knox’s demo LDAP.</p> |
| <p>A couple notes</p> |
| <ul> |
| |
| <li>A custom LDIF file is used to setup users. This is to get the roles and passwords setup correctly.</li> |
| <li>The demo LDAP uses plaintext passwords with no encryption prefix (e.g. {SSHA}).</li> |
| <li>You may need or want to shut down any or all of the topologies. This is optional, but clears some room</li> |
| </ul> |
| <p>To setup this up, start full dev.</p> |
| <ul> |
| |
| <li> |
| |
| <p>In Ambari, add the Knox service (Actions -> +Add Service). Accept all defaults and let it install. The configs that will be set how we need by default are:</p> |
| <ul> |
| |
| <li>LDAP URL = <a class="externalLink" href="ldap://localhost:33389">ldap://localhost:33389</a></li> |
| <li>User dn pattern = uid={0},ou=people,dc=hadoop,dc=apache,dc=org</li> |
| <li>LDAP user searchbase = ou=people,dc=hadoop,dc=apache,dc=org</li> |
| <li>Group Search Base = ou=groups,dc=hadoop,dc=apache,dc=org</li> |
| <li>Group Search Filter = member={0}</li> |
| <li>User Base DN = uid=admin,ou=people,dc=hadoop,dc=apache,dc=org</li> |
| <li>User Search Filter is empty</li> |
| <li>User password attribute = userPassword</li> |
| <li>LDAP group role attribute = cn</li> |
| <li>Bind User = uid=admin,ou=people,dc=hadoop,dc=apache,dc=org</li> |
| <li>LDAP Truststore is empty</li> |
| <li>LDAP Truststore Password is empty</li> |
| </ul> |
| </li> |
| <li> |
| |
| <p>In the Knox configuration, go to “Advanced users-ldif”. We have a custom ldif file “knox-demo-ldap.ldif” in “metron-deployment/development” that contains a customized variant of the users and groups defined here. Replace the default ldif configuration with the contents of “knox-demo-ldap.ldif”</p> |
| </li> |
| <li>Start the Demo LDAP (In Knox, "Service Actions -> Start Demo LDAP)</li> |
| <li>In Metron’s configs, we’re going to make two changes |
| <ul> |
| |
| <li>Set “LDAP Enabled” to “On”</li> |
| <li>In Security, set “Bind user password” to match the admin user’s password from the ldif file (admin-password).</li> |
| </ul> |
| </li> |
| <li>Restart the REST application</li> |
| </ul> |
| <p>Now, when you go to Swagger or the UIs, you should be able to give a user and password. “admin” will have the roles ROLE_ADMIN and ROLE_USER, which can be verified via the “/whoami/roles” endpoint in Swagger. Similarly, there is a user “sam” that only has ROLE_USER. A third user, “tom” has neither role.</p></div> |
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