August 2018
Beginner
462 pages
12h 36m
English
Content preview from Learning OpenStack Networking - Third Edition
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Configuring the Neutron metadata agent
OpenStack Compute provides a metadata service that enables users to retrieve information about their instances that can be used to configure or manage the running instance. Metadata includes information such as the hostname, fixed and floating IPs, public keys, and more. In addition to metadata, users can access userdata such as scripts and other bootstrapping configurations that can be executed during the boot process or once the instance is active. OpenStack Networking implements a proxy that forwards metadata requests from instances to the metadata service provided by OpenStack Compute.
Instances typically access the metadata service over HTTP at http://169.254.169.254 during the boot process. This ...
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