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29.2.193
by James Page
Add README |
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Overview
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--------
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This charm provides the Glance image service for OpenStack. It is intended to |
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be used alongside the other OpenStack components, starting with the Essex |
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release in Ubuntu 12.04. |
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Usage
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-----
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Glance may be deployed in a number of ways. This charm focuses on 3 main |
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configurations. All require the existence of the other core OpenStack |
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services deployed via Juju charms, specifically: mysql, keystone and |
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nova-cloud-controller. The following assumes these services have already |
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been deployed. |
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Local Storage
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=============
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In this configuration, Glance uses the local storage available on the server |
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to store image data: |
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juju deploy glance
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juju add-relation glance keystone
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juju add-relation glance mysql
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juju add-relation glance nova-cloud-controller
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Swift backed storage
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====================
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Glance can also use Swift Object storage for image storage. Swift is often |
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deployed as part of an OpenStack cloud and provides increased resilience and |
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scale when compared to using local disk storage. This configuration assumes |
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that you have already deployed Swift using the swift-proxy and swift-storage |
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charms: |
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juju deploy glance
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juju add-relation glance keystone
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juju add-relation glance mysql
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29.2.194
by James Page
Add documentation for glance ha |
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juju add-relation glance nova-cloud-controller
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29.2.193
by James Page
Add README |
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juju add-relation glance swift-proxy
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This configuration can be used to support Glance in HA/Scale-out deployments. |
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Ceph backed storage
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===================
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In this configuration, Glance uses Ceph based object storage to provide |
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scalable, resilient storage of images. This configuration assumes that you |
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have already deployed Ceph using the ceph charm: |
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juju deploy glance
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juju add-relation glance keystone
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juju add-relation glance mysql
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29.2.194
by James Page
Add documentation for glance ha |
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juju add-relation glance nova-cloud-controller
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29.2.193
by James Page
Add README |
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juju add-relation glance ceph
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This configuration can also be used to support Glance in HA/Scale-out |
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deployments. |
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29.2.194
by James Page
Add documentation for glance ha |
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Glance HA/Scale-out
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===================
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The Glance charm can also be used in a HA/scale-out configuration using |
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the hacluster charm: |
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juju deploy -n 3 glance
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juju deploy hacluster haglance
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juju set glance vip=<virtual IP address to access glance over>
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juju add-relation glance haglance
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juju add-relation glance mysql
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juju add-relation glance keystone
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juju add-relation glance nova-cloud-controller
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juju add-relation glance ceph|swift-proxy
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In this configuration, 3 service units host the Glance image service; |
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API requests are load balanced across all 3 service units via the |
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configured virtual IP address (which is also registered into Keystone |
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as the endpoint for Glance). |
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Note that Glance in this configuration must be used with either Ceph or |
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Swift providing backing image storage. |
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29.2.193
by James Page
Add README |
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Contact Information
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-------------------
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Author: Adam Gandelman <adamg@canonical.com> |
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Report bugs at: http://bugs.launchpad.net/charms |
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Location: http://jujucharms.com |