fix(preheat): fix the swagger definition of preheat get log api

Signed-off-by: chlins <chlins.zhang@gmail.com>

api/v2.0/swagger.yaml

@@ -10,7 +10,6 @@ schemes:
 basePath: /api/v2.0
 produces:
   - application/json
-  - text/plain
 consumes:
   - application/json
 securityDefinitions:
@@ -1360,7 +1359,9 @@ paths:
       description: Get the log text stream of the specified task for the given execution
       tags:
         - preheat
-      operationId: GetLog
+      operationId: GetPreheatLog
+      produces:
+        - text/plain
       parameters:
         - $ref: '#/parameters/requestId'
         - $ref: '#/parameters/projectName'

src/server/v2.0/handler/preheat.go

@@ -704,8 +704,8 @@ func (api *preheatAPI) ListTasks(ctx context.Context, params operation.ListTasks
 		WithLink(api.Links(ctx, params.HTTPRequest.URL, total, query.PageNumber, query.PageSize).String())
 }
 
-// GetLog gets log.
-func (api *preheatAPI) GetLog(ctx context.Context, params operation.GetLogParams) middleware.Responder {
+// GetPreheatLog gets log.
+func (api *preheatAPI) GetPreheatLog(ctx context.Context, params operation.GetPreheatLogParams) middleware.Responder {
 	if err := api.RequireProjectAccess(ctx, params.ProjectName, rbac.ActionRead, rbac.ResourcePreatPolicy); err != nil {
 		return api.SendError(ctx, err)
 	}
@@ -715,7 +715,7 @@ func (api *preheatAPI) GetLog(ctx context.Context, params operation.GetLogParams
 		return api.SendError(ctx, err)
 	}
 
-	return operation.NewGetLogOK().WithPayload(string(l)).WithContentType("text/plain")
+	return operation.NewGetPreheatLogOK().WithPayload(string(l))
 }
 
 // ListProvidersUnderProject is Get all providers at project level