Install blocked by noexec set on /tmp directory

[jneo8]

The install hook fails on clouds with CIS Hardening implemented due to the /tmp directory mount option "noexec".

When installing "fabric" via pip, the dependency "pynacl" fails during compilation. 0 This occurs because it is attempting to load a symbol from a shared object in the /tmp directory. This is a similar problem to bug 1935032.

The following modification to the command in the install hook works:
. /opt/juju_venvs/duplicity/bin/activate; TMPDIR=/var/lib/pip https_proxy=XXX pip install fabric

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Imported from Launchpad using lp2gh.

• date created: 2022-04-08T18:02:57Z

• owner: jplettman

• assignee: None

• the launchpad url