e14ca5f4ff
Glog doesn't actually print out the stack traces for all goroutines, when --logtostderr is enabled, the same way it normally does. This makes debugging more complex in some cases. So, we'll manually do it.
25 lines
576 B
Go
25 lines
576 B
Go
// Copyright 2016 Marapongo, Inc. All rights reserved.
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package contract
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import (
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"flag"
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"fmt"
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"os"
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"runtime/debug"
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"github.com/golang/glog"
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)
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// failfast logs and panics the process in a way that is friendly to debugging.
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func failfast(msg string) {
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v := flag.Lookup("logtostderr").Value
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if g, isgettable := v.(flag.Getter); isgettable {
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if enabled := g.Get().(bool); enabled {
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// Print the stack to stderr anytime glog verbose logging is enabled, since glog won't.
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fmt.Fprintf(os.Stderr, "fatal: %v\n", msg)
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debug.PrintStack()
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}
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}
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glog.Fatal(msg)
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}
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