Nachi Ueno 6769b166b1 Added functions for get a ip on an instance ...

The cause of some gating failure looks like
because of getting ip address on instance.
However current exercise didn't log the return value.
In this commit, we add get_instance_ip function with
error hanlding support, and apply it on the execise.

Change-Id: I8e17ba68093faafe58a98eb780a032368eea38aa

2013-08-13 17:08:47 -07:00

6.4 KiB

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