*: add sql storage options to dex application

Author: Eric Chiang

cmd/dex/config.go

@@ -12,6 +12,7 @@ import (
 	"github.com/coreos/dex/storage"
 	"github.com/coreos/dex/storage/kubernetes"
 	"github.com/coreos/dex/storage/memory"
+	"github.com/coreos/dex/storage/sql"
 )
 
 // Config is the config format for the main application.
@@ -71,6 +72,18 @@ func (s *Storage) UnmarshalYAML(unmarshal func(interface{}) error) error {
 		}
 		err = unmarshal(&config)
 		s.Config = &config.Config
+	case "sqlite3":
+		var config struct {
+			Config sql.SQLite3 `yaml:"config"`
+		}
+		err = unmarshal(&config)
+		s.Config = &config.Config
+	case "postgres":
+		var config struct {
+			Config sql.Postgres `yaml:"config"`
+		}
+		err = unmarshal(&config)
+		s.Config = &config.Config
 	default:
 		return fmt.Errorf("unknown storage type %q", storageMeta.Type)
 	}

examples/.gitignore

@@ -0,0 +1 @@
+*.db

examples/config-dev.yaml

@@ -1,7 +1,8 @@
 issuer: http://127.0.0.1:5556
 storage:
-  # NOTE(ericchiang): This will be replaced by sqlite3 in the future.
-  type: memory
+  type: sqlite3
+  config:
+    file: examples/dex.db
 
 web:
   http: 127.0.0.1:5556