Created by: eseliger
This PR improves the isolation of our executor VMs further by making them all fully isolated on the network.
# Test points: - SSH into ignite VM - curl -fv http://169.254.169.254/latest/meta-data/ - ssh 10.61.0.1 - curl -fv google.com - curl -fvL http://10.0.1.4:5000 FAIL (will fix in tf module) - ping 10.61.0.1 - ping 10.61.0.3 (other VM) - ssh <host_internal_ip> - ssh <host_external_ip>
Addresses https://github.com/sourcegraph/security-issues/issues/295
See test points above, both tested on GCP and AWS.
Push commits to the source branch or add previously merged commits to review them.
