MM-10702 Moving plugins to use hashicorp go-plugin. (#8978)

* Moving plugins to use hashicorp go-plugin.

* Tweaks from feedback.

1 files changed, 45 insertions, 0 deletions

diff --git a/vendor/github.com/hashicorp/go-hclog/nulllogger.go b/vendor/github.com/hashicorp/go-hclog/nulllogger.go
new file mode 100644
index 000000000..c10ce6e88
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-hclog/nulllogger.go
@@ -0,0 +1,45 @@
+package hclog
+
+import (
+	"log"
+	"io/ioutil"
+)
+
+// NewNullLogger instantiates a Logger for which all calls
+// will succeed without doing anything.
+// Useful for testing purposes.
+func NewNullLogger() Logger {
+	return &nullLogger{}
+}
+
+type nullLogger struct{}
+
+func (l *nullLogger) Trace(msg string, args ...interface{}) {}
+
+func (l *nullLogger) Debug(msg string, args ...interface{}) {}
+
+func (l *nullLogger) Info(msg string, args ...interface{}) {}
+
+func (l *nullLogger) Warn(msg string, args ...interface{}) {}
+
+func (l *nullLogger) Error(msg string, args ...interface{}) {}
+
+func (l *nullLogger) IsTrace() bool { return false }
+
+func (l *nullLogger) IsDebug() bool { return false }
+
+func (l *nullLogger) IsInfo() bool { return false }
+
+func (l *nullLogger) IsWarn() bool { return false }
+
+func (l *nullLogger) IsError() bool { return false }
+
+func (l *nullLogger) With(args ...interface{}) Logger { return l }
+
+func (l *nullLogger) Named(name string) Logger { return l }
+
+func (l *nullLogger) ResetNamed(name string) Logger { return l }
+
+func (l *nullLogger) StandardLogger(opts *StandardLoggerOptions) *log.Logger {
+	return log.New(ioutil.Discard, "", log.LstdFlags)
+}
\ No newline at end of file