Update datasource to not require type.

mock/handlers.go

@@ -25,7 +25,6 @@ func NewHandler() Handler {
 
 func sampleSource() *models.Source {
 	name := "muh name"
-	influxType := "influx-enterprise"
 	url := "http://localhost:8086"
 
 	return &models.Source{
@@ -35,7 +34,7 @@ func sampleSource() *models.Source {
 			Proxy: "/chronograf/v1/sources/1/proxy",
 		},
 		Name:     &name,
-		Type:     &influxType,
+		Type:     "influx-enterprise",
 		Username: "HOWDY!",
 		Password: "changeme",
 		URL:      &url,

models/source.go

@@ -40,10 +40,8 @@ type Source struct {
 	Password string `json:"password,omitempty"`
 
 	/* Format of the data source
-
-	Required: true
 	 */
-	Type *string `json:"type"`
+	Type string `json:"type,omitempty"`
 
 	/* URL for the time series data source backend (e.g. http://localhost:8086)
 
@@ -132,12 +130,12 @@ func (m *Source) validateTypeEnum(path, location string, value string) error {
 
 func (m *Source) validateType(formats strfmt.Registry) error {
 
-	if err := validate.Required("type", "body", m.Type); err != nil {
-		return err
+	if swag.IsZero(m.Type) { // not required
+		return nil
 	}
 
 	// value enum
-	if err := m.validateTypeEnum("type", "body", *m.Type); err != nil {
+	if err := m.validateTypeEnum("type", "body", m.Type); err != nil {
 		return err
 	}
 

swagger.yaml

@@ -738,7 +738,6 @@ definitions:
     Source:
         type: object
         required:
-            - type
             - name
             - url
         properties: