Rohit Yadav b6dc40faef CLOUDSTACK-10103: Cloudian Connector for CloudStack (#2284)
Several organizations use Cloudian as S3 provider, this implements the
Cloudian Management Console connector for CloudStack that can do the
following:

- Provide ease in connector configuration using CloudStack global
  settings
- Perform SSO from CloudStack UI into Cloudian Management Console (CMC)
  when the connector is enabled
- Automatic provisioning and de-provisioning of CloudStack accounts and
  domains as Cloudian users and groups respectively
- During CloudStack UI logout, logout user from CMC
- CloudStack account will be mapped to Cloudian Users, and CloudStack
  domain will be mapped to Cloudian Groups.
- The CloudStack admin account is mapped to Cloudian admin (user name
  configurable).
- The user/group provisioning will be from CloudStack to Cloudian only,
  i.e. user/group addition/removal/updation/deactivation in Cloudian
  portal (CMC) won't propagate the changes to CloudStack.

FS: https://cwiki.apache.org/confluence/display/CLOUDSTACK/Cloudian+Connector+for+CloudStack

New APIs:
- `cloudianIsEnabled`: API to check whether Cloudian Connector is enabled.
- `cloudianSsoLogin`: Performs SSO for the logged-in, requesting user
                      and returns the URL that can be used to perform
                      SSO and log into CMC.

New Global Settings:
- cloudian.connector.enabled  (false)
If set to true, this enables the Cloudian Connector for CloudStack.
Restarting management server(s) is required.
- cloudian.admin.host (s3-admin.cloudian.com)
The host where Cloudian Admin services are accessible.
- cloudian.admin.port (19443)
The admin service port.
- cloudian.admin.protocol (https)
The admin service API scheme/protocol.
- cloudian.validate.ssl (true)
 When set to true, this validates the certificate of the https-enabled
admin API service.
- cloudian.admin.user (sysadmin)
The admin user's name when making (admin) API calls.
- cloudian.admin.password (public)
The admin password used when making (admin) API calls.
- cloudian.api.request.timeout (5)
The API request timeout in seconds used by the internal HTTP/s client.
- cloudian.cmc.admin.user (admin)
The CMC admin user's name.
- cloudian.cmc.host (cmc.cloudian.com)
The CMC host.
- cloudian.cmc.port (8443)
The CMC service port.
- cloudian.cmc.protocol (https)
 The CMC service scheme/protocol.
- cloudian.sso.key (ss0sh5r3dk3y)
The Single-Sign-On shared key.

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
2017-10-25 10:49:45 +05:30
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