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* license: assert license for Go code * license: add in shell scripts * license: assert license for Ruby code * license: assert license to individual cases * license: assert license to Dockerfile
52 lines
1.5 KiB
Go
52 lines
1.5 KiB
Go
// Copyright 2016 Iron.io
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// 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 runner
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import (
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"bufio"
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"io"
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"github.com/Sirupsen/logrus"
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)
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// FuncLogger reads STDERR output from a container and outputs it in a parseable structured log format, see: https://github.com/iron-io/functions/issues/76
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type FuncLogger struct {
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r io.Reader
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w io.Writer
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}
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func NewFuncLogger(appName, path, function, requestID string) io.Writer {
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r, w := io.Pipe()
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funcLogger := &FuncLogger{
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r: r,
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w: w,
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}
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log := logrus.WithFields(logrus.Fields{"user_log": true, "app_name": appName, "path": path, "function": function, "call_id": requestID})
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go func(reader io.Reader) {
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scanner := bufio.NewScanner(reader)
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for scanner.Scan() {
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log.Println(scanner.Text())
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}
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if err := scanner.Err(); err != nil {
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log.WithError(err).Println("There was an error with the scanner in attached container")
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}
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}(r)
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return funcLogger
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}
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func (l *FuncLogger) Write(p []byte) (n int, err error) {
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return l.w.Write(p)
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}
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