Understanding Openstack API

asked 2013-05-08 23:57:01 -0600

djangoat gravatar image

updated 2013-05-10 18:48:31 -0600

smaffulli gravatar image
"injected_file_content_bytes": 10240,
"injected_file_path_bytes": 255,
"injected_files": 5,
"metadata_items": 128,

These are some data from the Openstack API

I would like to ask some description regarding the data mentioned above.

I would like to create a module where in a user are able to modify its own tenant settings.

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Hi, the question seems to be very wide and open ended, hard to answer to it on this site. Maybe you want to start a conversation on the General mailing list http://wiki.openstack.org/MailingLists? Is this related to the other question you asked?

smaffulli gravatar imagesmaffulli ( 2013-05-09 17:12:38 -0600 )edit

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answered 2013-05-13 16:02:02 -0600

scott-devoid gravatar image

These are quotas, which should only be modified by the administer of the OpenStack deployment using the nova-manage administrative tool:

$ nova-manage project quota --project=ID --key=metadata-items --value=129

Or modified after logging in as an administrator in Horizon and going through the "Admin" > "Project" > "Modify Quotas" tabs.

What do each of these quotas limit?

  • injected_files : maximum number of files that may be supplied with a $ nova boot --file src=dest command.
  • injected_file_content_bytes : maximum size of each file
  • injected_file_path_bytes : maximum length of the file path
  • metadata_items: maximum number of key-value pairs in the metadata. $ nova boot --meta key=val

These attributes have quotas to prevent potential abuse of the system through requests that starve resources (i.e. denial of service). As such, it is a good idea to only modify them if there are legitimate use cases for raising the limits.

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Asked: 2013-05-08 23:57:01 -0600

Seen: 222 times

Last updated: May 13 '13