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Hybrid Cloud for Developers
book

Hybrid Cloud for Developers

by Manoj Hirway
April 2018
Intermediate to advanced content levelIntermediate to advanced
280 pages
8h 37m
English
Packt Publishing
Content preview from Hybrid Cloud for Developers

OpenStack workflow – launching a new virtual machine

The following process flow takes place when a new virtual machine is launched on OpenStack from the web user interface:

  1. When the user performs a login by entering his credentials via the Horizon dashboard, the UI invokes Keystone REST APIs for authentication. Keystone performs the authentication and returns back a token. This token is preserved by Keystone in its database and is used for authentication of further REST API requests.
  2. The user then clicks the Launch Instance button on the dashboard which invokes a nova-api request.
  1. The request is received by nova-api and is sent to Keystone for validation and access permissions.
  2. Keystone validates the token and sends an acknowledgment, ...
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Publisher Resources

ISBN: 9781788830874Supplemental Content