Use container's system CA trust store #16
Merged
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Previously it was not possible to use this image in an environment with
a CA that is not trusted by the Python trust store. This is because the
rally-verify-wrapper.sh script unset any OS_CACERT environment variable
(presumably assuming any CA cert would not necessarily be available in
the container).
This change makes it possible to bind mount CA certificates in the
container under /usr/local/share/ca-certificates/ and have them added
to the system trust store and used by Rally/Tempest. In this case,
OS_CACERT is set automatically.
If there are no certificates in /usr/local/share/ca-certificates/, we
revert to the previous behaviour of unsetting OS_CACERT.