Jakub Pierewoj f9c4551a94 Use private master IP in GCE kubemark tests ... Currently hollow nodes communicate with kubemark master using public master IP, which results in each call going through cloud NAT. Cloud NAT limitations become performance bottleneck (see kubernetes/perf-tests/issues/874). To mitigate this, in this change, a second kubeconfig called "internal" is created. It uses private master IP and is used to set up hollow nodes. Note that we still need the original kubemark kubeconfig (using public master IP) to be able to communicate with the master from outside the cluster (when setting it up or running tests). Testing: - set up kubemark cluster, verified apiserver logs to confirm that the call from hollow nodes did not go through NAT		2019-12-17 12:49:50 +01:00
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util.sh	Use private master IP in GCE kubemark tests	2019-12-17 12:49:50 +01:00