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lcow: fix debug in startServiceVMIfNotRunning() #37446

Merged
merged 1 commit into from Jul 13, 2018
Merged

Commits on Jul 12, 2018

  1. lcow: fix debug in startServiceVMIfNotRunning()

    When go-1.11beta1 is used for building, the following error is
    reported:
    
    > 14:56:20 daemon\graphdriver\lcow\lcow.go:236: Debugf format %s reads
    > arg #2, but call has 1 arg
    
    While fixing this, let's also fix a few other things in this
    very function (startServiceVMIfNotRunning):
    
    1. Do not use fmt.Printf when not required.
    2. Use `title` whenever possible.
    3. Don't add `id` to messages as `title` already has it.
    4. Remove duplicated colons.
    5. Try to unify style of messages.
    6. s/startservicevmifnotrunning/startServiceVMIfNotRunning/
    ...
    
    In general, logging/debugging here is a mess and requires much more
    love than I can give it at the moment. Areas for improvement:
    
    1. Add a global var logger = logrus.WithField("storage-driver", "lcow")
    and use it everywhere else in the code.
    2. Use logger.WithField("id", id) whenever possible (same for "context"
    and other similar fields).
    3. Revise all the errors returned to be uniform.
    4. Make use of errors.Wrap[f] whenever possible.
    
    Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
    kolyshkin committed Jul 12, 2018
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