Wraps `wget` command with sleep and mutiple retry
support for resilient network downloads and replaces
git clone with direct tarball downloads where possible.
Closes-Bug: #2098417
Change-Id: I49435f5c1a7c0628e4eb7e824322d4e1f2938588
(cherry picked from commit 36b5e11de6)
Tiny Core Ironic Python Agent
See https://docs.openstack.org/ironic-python-agent-builder/latest/admin/tinyipa.html