77 lines
2.5 KiB
ReStructuredText
77 lines
2.5 KiB
ReStructuredText
..
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Copyright 2010-2011 OpenStack LLC
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All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License"); you may
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not use this file except in compliance with the License. You may obtain
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a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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License for the specific language governing permissions and limitations
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under the License.
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Object Model
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============
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.. graphviz::
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digraph foo {
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graph [rankdir="LR"]; node [fontsize=9 shape=box];
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Instances -> "Public IPs" [arrowhead=crow];
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Instances -> "Security Groups" [arrowhead=crow];
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Users -> Projects [arrowhead=crow arrowtail=crow dir=both];
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Users -> Keys [arrowhead=crow];
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Instances -> Volumes [arrowhead=crow];
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Projects -> "Public IPs" [arrowhead=crow];
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Projects -> Instances [arrowhead=crow];
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Projects -> Volumes [arrowhead=crow];
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Projects -> Images [arrowhead=crow];
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Images -> Instances [arrowhead=crow];
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Projects -> "Security Groups" [arrowhead=crow];
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"Security Groups" -> Rules [arrowhead=crow];
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}
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Users
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-----
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Each Nova User is authorized based on their access key and secret key, assigned per-user. Read more at :doc:`/runnova/managing.users`.
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Projects
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--------
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For Nova, access to images is based on the project. Read more at :doc:`/runnova/managing.projects`.
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Images
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------
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Images are binary files that run the operating system. Read more at :doc:`/runnova/managing.images`.
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Instances
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---------
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Instances are running virtual servers. Read more at :doc:`/runnova/managing.instances`.
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Volumes
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-------
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Volumes offer extra block level storage to instances. Read more at `Managing Volumes <http://docs.openstack.org/openstack-compute/admin/content/ch05s07.html>`_.
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Security Groups
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---------------
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In Nova, a security group is a named collection of network access rules, like firewall policies. Read more at `Security Groups <http://nova.openstack.org/nova.concepts.html#concept-security-groups>`_.
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VLANs
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-----
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VLAN is the default network mode for Nova. Read more at :doc:`/runnova/network.vlan`.
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IP Addresses
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------------
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Nova enables floating IP management. |