From 1e5c432e1029601a664454388ae366ef69618d62 Mon Sep 17 00:00:00 2001
From: Christopher Speller <crspeller@gmail.com>
Date: Mon, 25 Jun 2018 12:33:13 -0700
Subject: MM-10702 Moving plugins to use hashicorp go-plugin. (#8978)

* Moving plugins to use hashicorp go-plugin.

* Tweaks from feedback.
---
 vendor/github.com/hashicorp/go-hclog/stdlog.go | 62 ++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 vendor/github.com/hashicorp/go-hclog/stdlog.go

(limited to 'vendor/github.com/hashicorp/go-hclog/stdlog.go')

diff --git a/vendor/github.com/hashicorp/go-hclog/stdlog.go b/vendor/github.com/hashicorp/go-hclog/stdlog.go
new file mode 100644
index 000000000..2bb927fc9
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-hclog/stdlog.go
@@ -0,0 +1,62 @@
+package hclog
+
+import (
+	"bytes"
+	"strings"
+)
+
+// Provides a io.Writer to shim the data out of *log.Logger
+// and back into our Logger. This is basically the only way to
+// build upon *log.Logger.
+type stdlogAdapter struct {
+	hl          Logger
+	inferLevels bool
+}
+
+// Take the data, infer the levels if configured, and send it through
+// a regular Logger
+func (s *stdlogAdapter) Write(data []byte) (int, error) {
+	str := string(bytes.TrimRight(data, " \t\n"))
+
+	if s.inferLevels {
+		level, str := s.pickLevel(str)
+		switch level {
+		case Trace:
+			s.hl.Trace(str)
+		case Debug:
+			s.hl.Debug(str)
+		case Info:
+			s.hl.Info(str)
+		case Warn:
+			s.hl.Warn(str)
+		case Error:
+			s.hl.Error(str)
+		default:
+			s.hl.Info(str)
+		}
+	} else {
+		s.hl.Info(str)
+	}
+
+	return len(data), nil
+}
+
+// Detect, based on conventions, what log level this is
+func (s *stdlogAdapter) pickLevel(str string) (Level, string) {
+	switch {
+	case strings.HasPrefix(str, "[DEBUG]"):
+		return Debug, strings.TrimSpace(str[7:])
+	case strings.HasPrefix(str, "[TRACE]"):
+		return Trace, strings.TrimSpace(str[7:])
+	case strings.HasPrefix(str, "[INFO]"):
+		return Info, strings.TrimSpace(str[6:])
+	case strings.HasPrefix(str, "[WARN]"):
+		return Warn, strings.TrimSpace(str[7:])
+	case strings.HasPrefix(str, "[ERROR]"):
+		return Error, strings.TrimSpace(str[7:])
+	case strings.HasPrefix(str, "[ERR]"):
+		return Error, strings.TrimSpace(str[5:])
+	default:
+		return Info, str
+	}
+}
-- 
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