Upgrading server dependancies (#6215)

vendor/github.com/spf13/viper/viper.go

@@ -21,6 +21,7 @@ package viper
 
 import (
 	"bytes"
+	"encoding/csv"
 	"fmt"
 	"io"
 	"log"
@@ -719,7 +720,15 @@ func (v *Viper) GetSizeInBytes(key string) uint {
 // UnmarshalKey takes a single key and unmarshals it into a Struct.
 func UnmarshalKey(key string, rawVal interface{}) error { return v.UnmarshalKey(key, rawVal) }
 func (v *Viper) UnmarshalKey(key string, rawVal interface{}) error {
-	return mapstructure.Decode(v.Get(key), rawVal)
+	err := decode(v.Get(key), defaultDecoderConfig(rawVal))
+
+	if err != nil {
+		return err
+	}
+
+	v.insensitiviseMaps()
+
+	return nil
 }
 
 // Unmarshal unmarshals the config into a Struct. Make sure that the tags
@@ -886,7 +895,9 @@ func (v *Viper) find(lcaseKey string) interface{} {
 			return cast.ToBool(flag.ValueString())
 		case "stringSlice":
 			s := strings.TrimPrefix(flag.ValueString(), "[")
-			return strings.TrimSuffix(s, "]")
+			s = strings.TrimSuffix(s, "]")
+			res, _ := readAsCSV(s)
+			return res
 		default:
 			return flag.ValueString()
 		}
@@ -953,7 +964,9 @@ func (v *Viper) find(lcaseKey string) interface{} {
 			return cast.ToBool(flag.ValueString())
 		case "stringSlice":
 			s := strings.TrimPrefix(flag.ValueString(), "[")
-			return strings.TrimSuffix(s, "]")
+			s = strings.TrimSuffix(s, "]")
+			res, _ := readAsCSV(s)
+			return res
 		default:
 			return flag.ValueString()
 		}
@@ -963,6 +976,15 @@ func (v *Viper) find(lcaseKey string) interface{} {
 	return nil
 }
 
+func readAsCSV(val string) ([]string, error) {
+	if val == "" {
+		return []string{}, nil
+	}
+	stringReader := strings.NewReader(val)
+	csvReader := csv.NewReader(stringReader)
+	return csvReader.Read()
+}
+
 // IsSet checks to see if the key has been set in any of the data locations.
 // IsSet is case-insensitive for a key.
 func IsSet(key string) bool { return v.IsSet(key) }