Option to add staticPasswords from environment variables

Signed-off-by: justin-slowik <justin.slowik@thermofisher.com>

cmd/dex/config.go

@@ -103,8 +103,12 @@ func (p *password) UnmarshalJSON(b []byte) error {
 		data.Hash = os.Getenv(data.HashFromEnv)
 	}
 	if len(data.Hash) == 0 {
+		if len(data.HashFromEnv) > 0 {
+			data.Hash = os.Getenv(data.HashFromEnv)
+		} else {
 			return fmt.Errorf("no password hash provided")
 		}
+	}
 
 	// If this value is a valid bcrypt, use it.
 	_, bcryptErr := bcrypt.Cost([]byte(data.Hash))

cmd/dex/config_test.go

@@ -4,6 +4,8 @@ import (
 	"os"
 	"testing"
 
+	"github.com/dexidp/dex/server"
+
 	"github.com/ghodss/yaml"
 	"github.com/kylelemons/godebug/pretty"