tree 0c6575451f0a5dcde7e2fb60d06601b27d8bcbf9
parent 3b3741d39f8da1bfcf4f7ea6a08923a38c280f8d
author Guangning <guangning@apache.org> 1577673028 +0800
committer Sijie Guo <sijie@apache.org> 1577673028 +0800

Support binding user and role (#231)

### Motivation
This is the third pr of task #14. 
After merging this pr
1. pulsar-manager platform will have the preliminary multi-tenant capability. After each user logs in to the platform for the first time, a default tenant named his user name will be created for him, and a default role will be created. The role will be bound to tenant resources, bind the user to the tenant, and then the user can only see and operate the resources of the tenant bound to him when entering the platform.
2. Join other tenants. The administrator of one tenant can invite other users to join the tenant he manages, and only need to create a record in role bing.
3. Create roles. The tenant's administrator can create some roles under this tenant. The roles bind different resources. When other users enter, they can be assigned different roles, thus limiting their operation of different resources.

### Modifications

* Create default tenant, default role, default role binding
* Cache namespace
* Create role binding
* Add role binding page

### Verifying this change
Add unit test