0885397d10
Initial PoC source code for Tricircle, the project for OpenStack cascading solution. Change-Id: I8abc93839a26446cb61c8d9004dfd812bd91de6e
44 lines
1.4 KiB
Markdown
44 lines
1.4 KiB
Markdown
Cinder create volume from image bug
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===============================
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Openstack cascade current is developed based on Icehouse version. While
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in Icehouse version there is a bug about creating volume from image and uploading volume to image.
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Please referer to the http links https://bugs.launchpad.net/cinder/+bug/1308058 for details.
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This bug is recommended to fix in cascaded cinder.
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Key modules
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-----------
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* when create volume from image or upload volume to image, cinder will call a function in glance.py
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to check image metadata, while not all the metadata will be included from glance image information.
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As a result, in the function _extract_attributes included in file,not all the element such as "cheksum"
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will be validated :
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cinder/image/glance.py
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Requirements
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------------
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* openstack icehouse has been installed
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Installation
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------------
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We suggest a way to fix the cinder-image-metadata bug. In this section,
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we will guide you through fix this image metadata bug.
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* **Note:**
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- Make sure you have an existing installation of **Openstack Icehouse**.
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- We recommend that you Do backup at least the following files before installation,
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because they are to be overwritten or modified.
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* **Manual Installation as the OpenStack Community suggest**
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mofify "output[attr] = getattr(image, attr)" to "output[attr] = getattr(image, attr, None)"
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in _extract_attributes cinder/image/glance.py,Line 434 around
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