Do not set nil value for log_backtrace_at flag#3077
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manishrjain merged 1 commit intodgraph-io:masterfrom Mar 1, 2019
Merged
Do not set nil value for log_backtrace_at flag#3077manishrjain merged 1 commit intodgraph-io:masterfrom
manishrjain merged 1 commit intodgraph-io:masterfrom
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dgraph-io#3062 added capabilities to set flag values from config file (we need this for glog). This caused an issue with the log_backtrace_at flag. The flag is defined as `flag.Var(&logging.traceLocation, "log_backtrace_at", "when logging hits line file:N, emit a stack trace")` where tracelocation is ``` // traceLocation represents the setting of the -log_backtrace_at flag. type traceLocation struct { file string line int } ``` If the value isn't specified the nil value for `tracelocation` type is set in the config, which is `tracelocation{"", 0}`. But this value can't be set to the flag because of the check on line https://github.com/golang/glog/blob/master/glog.go#L374 This PR adds skips setting the flag to nil value if it nil in the config. Fixes dgraph-io#3076 Signed-off-by: Ibrahim Jarif <jarifibrahim@gmail.com>
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@danielmai can you please review this PR? |
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It looks like this addresses it. Will do some testing. |
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I see 5 checks on other PRs but this one has only 2 checks. I don't know why. |
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I wish we could have some tests. |
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dgraph-io#3062 added capabilities to set flag values from config file (we need this for glog). This caused an issue with the log_backtrace_at flag. The flag is defined as `flag.Var(&logging.traceLocation, "log_backtrace_at", "when logging hits line file:N, emit a stack trace")` where tracelocation is ``` // traceLocation represents the setting of the -log_backtrace_at flag. type traceLocation struct { file string line int } ``` If the value isn't specified the nil value for `tracelocation` type is set in the config, which is `tracelocation{"", 0}`. But this value can't be set to the flag because of the check on line https://github.com/golang/glog/blob/master/glog.go#L374 This PR adds skips setting the flag to nil value if it nil in the config. Fixes dgraph-io#3076 Signed-off-by: Ibrahim Jarif <jarifibrahim@gmail.com>
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#3062 added capabilities to set flag values from config file (we need this for glog).
This caused an issue with the log_backtrace_at flag.
The flag is defined as
flag.Var(&logging.traceLocation, "log_backtrace_at", "when logging hits line file:N, emit a stack trace")where tracelocation isIf the value isn't specified the nil value for tracelocation type is set in the config, which is tracelocation{"", 0}.
But this value can't be set to the flag because of the check on line https://github.com/golang/glog/blob/master/glog.go#L374
This PR adds skips setting the flag to nil value if it nil in the config.
Fixes #3076
Signed-off-by: Ibrahim Jarif jarifibrahim@gmail.com
This change is