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Petr Pudlak authored
This patch adds the `ssh-port` option. If set to a non-standard port, the QA script sets up the default node group with this port, and before running tests it adds `iptable` rules to all nodes so that the nodes see each other's SSH servers as running on this port. Their SSH configuration is _not_ changed and other machines see the nodes on 22 as before. The `iptable` rules are reset on each QA run, trying to preserve any existing rules (not created by the script) that might be present. Signed-off-by: Petr Pudlak <pudlak@google.com> Reviewed-by: Hrvoje Ribicic <riba@google.com>
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