openstack/openstack-manuals
Code Issues Proposed changes
c4f952e171
openstack-manuals/doc/user-guide/source/cli_provide_user_data_to_instances.rst
Andreas Jaeger 28d95bfc66 End User Guide: Remove user_only and orphan 
With the split of the User Guides, there's no need anymore to have
orphan and user_only flags, remove them from the user-guide
directory.

Only files that keep :orphan: are
doc/user-guide/source/hot-guide/hot_advanced_topics.rst and
hot_existing_templates.rst since these files are not currently included.

Change-Id: I1ac0356d69d8668785f8b1947e8b061731aca747
2015-05-13 18:09:16 +00:00

727 B
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Provide user data to instances

A user data file is a special key in the metadata service that holds a file that cloud-aware applications in the guest instance can access. For example, one application that uses user data is the cloud-init system, which is an open-source package from Ubuntu that is available on various Linux distributions and which handles early initialization of a cloud instance.

You can place user data in a local file and pass it through the --user-data <user-data-file> parameter at instance creation:

$ nova boot --image ubuntu-cloudimage --flavor 1 --user-data mydata.file