This is a huge commit, it does following things: (#1942)

1. Remove ks-iam standalone binary, move it to ks-apiserver
2. Generate all devops apis inside kubesphere repository, no need to
import s2ioperator.
3. Reorganize ldap code, make it more flexible to use.

cmd/ks-apigateway/app/server.go

@@ -5,8 +5,6 @@ import (
 	"github.com/mholt/caddy/caddy/caddymain"
 	"github.com/mholt/caddy/caddyhttp/httpserver"
 	"github.com/spf13/cobra"
-	apiserverconfig "kubesphere.io/kubesphere/pkg/server/config"
-	"kubesphere.io/kubesphere/pkg/simple/client"
 	"kubesphere.io/kubesphere/pkg/utils/signals"
 
 	"kubesphere.io/kubesphere/pkg/apigateway"
@@ -21,12 +19,6 @@ for proxy request to the right backend. API Gateway also proxy
 Kubernetes API Server for KubeSphere authorization purpose.
 `,
 		RunE: func(cmd *cobra.Command, args []string) error {
-
-			err := apiserverconfig.Load()
-			if err != nil {
-				return err
-			}
-
 			apigateway.RegisterPlugins()
 
 			return Run(signals.SetupSignalHandler())
@@ -39,11 +31,6 @@ Kubernetes API Server for KubeSphere authorization purpose.
 }
 
 func Run(stopCh <-chan struct{}) error {
-
-	csop := &client.ClientSetOptions{}
-	csop.SetKubernetesOptions(apiserverconfig.Get().KubernetesOptions)
-	client.NewClientSetFactory(csop, stopCh)
-
 	httpserver.RegisterDevDirective("authenticate", "jwt")
 	httpserver.RegisterDevDirective("authentication", "jwt")
 	httpserver.RegisterDevDirective("swagger", "jwt")