Add "woodpeckerci/plugin-docker-buildx" to privileged plugins (#623)

* refactor global const in own package

* add "woodpeckerci/plugin-docker-buildx" to privileged plugins

* add woodpeckerci/plugin-docker

cli/exec/flags.go

@@ -18,6 +18,8 @@ import (
 	"time"
 
 	"github.com/urfave/cli/v2"
+
+	"github.com/woodpecker-ci/woodpecker/shared/constant"
 )
 
 var flags = []cli.Flag{
@@ -53,11 +55,7 @@ var flags = []cli.Flag{
 	&cli.StringSliceFlag{
 		Name:  "privileged",
 		Usage: "privileged plugins",
-		Value: cli.NewStringSlice(
-			"plugins/docker",
-			"plugins/gcr",
-			"plugins/ecr",
-		),
+		Value: cli.NewStringSlice(constant.PrivilegedPlugins...),
 	},
 
 	//

cmd/server/flags.go

@@ -18,6 +18,8 @@ import (
 	"time"
 
 	"github.com/urfave/cli/v2"
+
+	"github.com/woodpecker-ci/woodpecker/shared/constant"
 )
 
 var flags = []cli.Flag{
@@ -115,11 +117,7 @@ var flags = []cli.Flag{
 		EnvVars: []string{"WOODPECKER_ESCALATE"},
 		Name:    "escalate",
 		Usage:   "images to run in privileged mode",
-		Value: cli.NewStringSlice(
-			"plugins/docker",
-			"plugins/gcr",
-			"plugins/ecr",
-		),
+		Value:   cli.NewStringSlice(constant.PrivilegedPlugins...),
 	},
 	&cli.StringSliceFlag{
 		EnvVars: []string{"WOODPECKER_VOLUME"},

shared/constant/privileged_plugins.go

@@ -0,0 +1,9 @@
+package constant
+
+var PrivilegedPlugins = []string{
+	"plugins/docker",
+	"plugins/gcr",
+	"plugins/ecr",
+	"woodpeckerci/plugin-docker",
+	"woodpeckerci/plugin-docker-buildx",
+}