DaanHoogland commented on issue #3191: Copy template between zones fails with md5 mismatch URL: https://github.com/apache/cloudstack/issues/3191#issuecomment-561111335 here are two different checksums: 1. One for the file to be downloaded to compare against its origin 2. One for checking internal copying In the case of downloading a regular image these are the same, but when downloading some sort of archive, the archive will be unpacked on arrival and the result will not match the initial checksum. The checksum can not be updated as it may be used for a re-download. the original design has not taken this into account. I propose to implement the following: - create an extra field: 'original_checksum' - when the template is to be exposed from a store by copying or downloading, the file is checked against the checksum - if it doesn't match and 'original_checksum' is null -+ checksum is copied to 'original_checksum' and a new checksum is stored - if it doesn't match and checksum is not null -+ error There is a caveat to this, if there is multiple copies around and they don't all have the same checksum..? @andrijapanicsb any thoughts?
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