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| author | Dmitry Tantsur <dtantsur@protonmail.com> | 2021-09-08 14:21:03 +0200 |
|---|---|---|
| committer | Julia Kreger <juliaashleykreger@gmail.com> | 2021-09-08 16:40:49 +0000 |
| commit | 94a1560d31b72052a94c0a4c07db2f9cf957ff26 (patch) | |
| tree | e9b3b5ca797f5043426816fdb578242831af8809 /doc | |
| parent | a71ed5de26e90bbbfa751d8369b0af26d2746091 (diff) | |
| download | ironic-94a1560d31b72052a94c0a4c07db2f9cf957ff26.tar.gz | |
Always update cache for HTTP images if Last Modified is unknown
Currently we default to assuming the cache is up-to-date. This is likely
wrong. Normal web servers provide Last Modified for files they serve.
If it is absent, chances are high the image is served by some sort
of a dynamic service, which may modify the URL on fly.
In any case, always updating the image is a safer choice.
Change-Id: I0548db14a97638d26ebb687e8f47f1b295d1f774
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/source/install/standalone/enrollment.rst | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/source/install/standalone/enrollment.rst b/doc/source/install/standalone/enrollment.rst index aa9878209..305091070 100644 --- a/doc/source/install/standalone/enrollment.rst +++ b/doc/source/install/standalone/enrollment.rst @@ -48,6 +48,9 @@ There are however some limitations for different hardware interfaces: modification time, Ironic will re-download the content. For "file://" images, the file system modification time is used. + If the HTTP server does not provide the last modification date and time, + the image will be redownloaded every time it is used. + .. _hashlib: https://docs.python.org/3/library/hashlib.html Enrolling nodes |