Fix influx for gating usage
Fix influx for gating usage

- Pointing to our InfluxDB was not done with the right file
- InfluxDB have to be set in gates if we use it, so it should not
  be silently failing

Issues:
  - LA-353
  - LA-354

galstrom21/rpc-openstack,prometheanfire/rpc-openstack,robb-romans/rpc-openstack,major/rpc-openstack,BjoernT/rpc-openstack,rcbops/rpc-openstack,mancdaz/rpc-openstack,mancdaz/rpc-openstack,git-harry/rpc-openstack,hughsaunders/rpc-openstack,git-harry/rpc-openstack,prometheanfire/rpc-openstack,robb-romans/rpc-openstack,hughsaunders/rpc-openstack,cloudnull/rpc-openstack,jacobwagner/rpc-openstack,cloudnull/rpc-openstack,jacobwagner/rpc-openstack,BjoernT/rpc-openstack,major/rpc-openstack,rcbops/rpc-openstack,galstrom21/rpc-openstack