Make screen sleep time configurable
the sleep 3 in screen_it was added to make devstack pass in the gate with exceptionally slow test cloud nodes. In the gate we now bypass the screen path entirely. However the sleep 3 remains and can add a couple minutes delay into local development runs. We're not sure yet how low this can safely be tuned, so step 1 is to make it configurable, then get devstack team members to try various options to see what works. Change-Id: I0e6476176fc8589efc4e40e78c2231f704d14e45
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@ -1256,8 +1256,13 @@ function screen_process {
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# sleep to allow bash to be ready to be send the command - we are
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# creating a new window in screen and then sends characters, so if
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# bash isn't running by the time we send the command, nothing happens
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sleep 3
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# bash isn't running by the time we send the command, nothing
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# happens. This sleep was added originally to handle gate runs
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# where we needed this to be at least 3 seconds to pass
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# consistently on slow clouds. Now this is configurable so that we
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# can determine a reasonable value for the local case which should
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# be much smaller.
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sleep ${SCREEN_SLEEP:-3}
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NL=`echo -ne '\015'`
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# This fun command does the following:
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