143 lines
3.5 KiB
ReStructuredText
143 lines
3.5 KiB
ReStructuredText
.. -*- rst -*-
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.. _image-data:
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Image data
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**********
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Uploads and downloads raw image data.
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*These operations may be restricted to administrators. Consult your cloud
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operator's documentation for details.*
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Upload binary image data
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~~~~~~~~~~~~~~~~~~~~~~~~
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.. rest_method:: PUT /v2/images/{image_id}/file
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Uploads binary image data.
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*(Since Image API v2.0)*
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Set the ``Content-Type`` request header to ``application/octet-stream``.
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Example call:
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::
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curl -i -X PUT -H "X-Auth-Token: $token" \
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-H "Content-Type: application/octet-stream" \
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-d @/home/glance/ubuntu-12.10.qcow2 \
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$image_url/v2/images/{image_id}/file
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**Preconditions**
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Before you can store binary image data, you must meet the following
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preconditions:
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- The image must exist.
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- You must set the disk and container formats in the image.
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- The image status must be ``queued``.
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- Your image storage quota must be sufficient.
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- The size of the data that you want to store must not exceed the
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size that the OpenStack Image service allows.
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**Synchronous Postconditions**
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- With correct permissions, you can see the image status as
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``active`` through API calls.
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- With correct access, you can see the stored data in the storage
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system that the OpenStack Image Service manages.
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**Troubleshooting**
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- If you cannot store the data, either your request lacks required
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information or you exceeded your allotted quota. Ensure that you
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meet the preconditions and run the request again. If the request
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fails again, review your API request.
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- The storage back ends for storing the data must have enough free
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storage space to accommodate the size of the data.
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Normal response codes: 204
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Error response codes: 400, 401, 403, 404, 409, 410, 413, 415, 503
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Request
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-------
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.. rest_parameters:: images-parameters.yaml
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- Content-type: Content-Type-data
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- image_id: image_id-in-path
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Download binary image data
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~~~~~~~~~~~~~~~~~~~~~~~~~~
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.. rest_method:: GET /v2/images/{image_id}/file
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Downloads binary image data.
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*(Since Image API v2.0)*
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Example call: ``curl -i -X GET -H "X-Auth-Token: $token"
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$image_url/v2/images/{image_id}/file``
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The response body contains the raw binary data that represents the
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actual virtual disk. The ``Content-Type`` header contains the
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``application/octet-stream`` value. The ``Content-MD5`` header
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contains an MD5 checksum of the image data. Use this checksum to
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verify the integrity of the image data.
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**Preconditions**
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- The image must exist.
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**Synchronous Postconditions**
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- You can download the binary image data in your machine if the
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image has image data.
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- If image data exists, the call returns the HTTP ``200`` response code for a
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full image download request.
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- If image data exists, the call returns the HTTP ``206`` response code for a
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partial download request.
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- If no image data exists, the call returns the HTTP ``204`` (No Content)
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response code.
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- If no image record exists, the call returns the HTTP ``404`` response code
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for an attempted full image download request.
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- For an unsatisfiable partial download request, the call returns the HTTP
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``416`` response code.
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Normal response codes: 200, 204, 206
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Error response codes: 400, 403, 404, 416
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Request
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-------
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.. rest_parameters:: images-parameters.yaml
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- image_id: image_id-in-path
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- Content-Range: Content-Range
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Response
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--------
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.. rest_parameters:: images-parameters.yaml
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- Content-Type: Content-Type-data-response
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- Content-Md5: Content-Md5
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- Content-Length: Content-Length
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