38 lines
1.3 KiB
Go
38 lines
1.3 KiB
Go
// Licensed to Pulumi Corporation ("Pulumi") under one or more
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// contributor license agreements. See the NOTICE file distributed with
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// this work for additional information regarding copyright ownership.
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// Pulumi licenses this file to You under the Apache License, Version 2.0
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// (the "License"); you may not use this file except in compliance with
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// the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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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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