problems when var partition is mounted as "noexec"

[DonEstefan]

Hi,
due to security recommendations it is quite common to use the "noexec" flag when mounting /var partition.
However, waagent uses /var when installing Azure Extensions. This causes an ambiguous error code 126 to be logged and Extension installation to fail.
Some extensions like OMS Agent already added support for installation on machines with noexec partitions.
Can you add a fix (or at least some meaningful logging) to waagent also?

I'm using WALinuxAgent-2.2.18 on hardened Centos/RedHat.

[pgombar]

@DonEstefan closing since this is the current design. It is costly to change the current design and there are no plans of doing it in the near future.