update go-plugin

Includes fix for correct plugin server log levels, preventing everything
from logging to Debug.

go.mod

@@ -51,7 +51,7 @@ require (
 	github.com/hashicorp/go-immutable-radix v0.0.0-20180129170900-7f3cd4390caa // indirect
 	github.com/hashicorp/go-msgpack v0.5.4 // indirect
 	github.com/hashicorp/go-multierror v1.0.0
-	github.com/hashicorp/go-plugin v0.0.0-20190322172744-52e1c4730856
+	github.com/hashicorp/go-plugin v1.0.1-0.20190430211030-5692942914bb
 	github.com/hashicorp/go-retryablehttp v0.5.2
 	github.com/hashicorp/go-rootcerts v1.0.0
 	github.com/hashicorp/go-sockaddr v0.0.0-20180320115054-6d291a969b86 // indirect

go.sum

@@ -179,8 +179,8 @@ github.com/hashicorp/go-msgpack v0.5.4/go.mod h1:ahLV/dePpqEmjfWmKiqvPkv/twdG7iP
 github.com/hashicorp/go-multierror v0.0.0-20180717150148-3d5d8f294aa0/go.mod h1:JMRHfdO9jKNzS/+BTlxCjKNQHg/jZAft8U7LloJvN7I=
 github.com/hashicorp/go-multierror v1.0.0 h1:iVjPR7a6H0tWELX5NxNe7bYopibicUzc7uPribsnS6o=
 github.com/hashicorp/go-multierror v1.0.0/go.mod h1:dHtQlpGsu+cZNNAkkCN/P3hoUDHhCYQXV3UM06sGGrk=
-github.com/hashicorp/go-plugin v0.0.0-20190322172744-52e1c4730856 h1:FHiCaU46W1WoqApsaGGIKbNkhQ6v71hJrOf2INQMLUo=
-github.com/hashicorp/go-plugin v0.0.0-20190322172744-52e1c4730856/go.mod h1:++UyYGoz3o5w9ZzAdZxtQKrWWP+iqPBn3cQptSMzBuY=
+github.com/hashicorp/go-plugin v1.0.1-0.20190430211030-5692942914bb h1:Zg2pmmk0lrLFL85lQGt08bOUBpIBaVs6/psiAyx0c4w=
+github.com/hashicorp/go-plugin v1.0.1-0.20190430211030-5692942914bb/go.mod h1:++UyYGoz3o5w9ZzAdZxtQKrWWP+iqPBn3cQptSMzBuY=
 github.com/hashicorp/go-retryablehttp v0.5.2 h1:AoISa4P4IsW0/m4T6St8Yw38gTl5GtBAgfkhYh1xAz4=
 github.com/hashicorp/go-retryablehttp v0.5.2/go.mod h1:9B5zBasrRhHXnJnui7y6sL7es7NDiJgTc6Er0maI1Xs=
 github.com/hashicorp/go-rootcerts v1.0.0 h1:Rqb66Oo1X/eSV1x66xbDccZjhJigjg0+e82kpwzSwCI=

vendor/github.com/hashicorp/go-plugin/client.go

@@ -976,15 +976,15 @@ func (c *Client) logStderr(r io.Reader) {
 			// Attempt to infer the desired log level from the commonly used
 			// string prefixes
 			switch line := string(line); {
-			case strings.HasPrefix("[TRACE]", line):
+			case strings.HasPrefix(line, "[TRACE]"):
 				l.Trace(line)
-			case strings.HasPrefix("[DEBUG]", line):
+			case strings.HasPrefix(line, "[DEBUG]"):
 				l.Debug(line)
-			case strings.HasPrefix("[INFO]", line):
+			case strings.HasPrefix(line, "[INFO]"):
 				l.Info(line)
-			case strings.HasPrefix("[WARN]", line):
+			case strings.HasPrefix(line, "[WARN]"):
 				l.Warn(line)
-			case strings.HasPrefix("[ERROR]", line):
+			case strings.HasPrefix(line, "[ERROR]"):
 				l.Error(line)
 			default:
 				l.Debug(line)

vendor/modules.txt

@@ -279,7 +279,7 @@ github.com/hashicorp/go-getter/helper/url
 github.com/hashicorp/go-hclog
 # github.com/hashicorp/go-multierror v1.0.0
 github.com/hashicorp/go-multierror
-# github.com/hashicorp/go-plugin v0.0.0-20190322172744-52e1c4730856
+# github.com/hashicorp/go-plugin v1.0.1-0.20190430211030-5692942914bb
 github.com/hashicorp/go-plugin
 github.com/hashicorp/go-plugin/internal/plugin
 # github.com/hashicorp/go-retryablehttp v0.5.2