Merge pull request #4 from drone-plugins/custom_buildkit

Add support for builder driver opts

buildx.go

@@ -15,8 +15,8 @@ func cmdSetupBuildx(builder Builder) *exec.Cmd {
 	if builder.Name != "" {
 		args = append(args, "--name", builder.Name)
 	}
-	if builder.DriverOpts != "" {
-		args = append(args, "--driver-opt", builder.DriverOpts)
+	for _, opt := range builder.DriverOpts {
+		args = append(args, "--driver-opt", opt)
 	}
 	if builder.RemoteConn != "" && builder.Driver == remoteDriver {
 		args = append(args, builder.RemoteConn)

cmd/drone-docker/main.go

@@ -289,9 +289,11 @@ func main() {
 			Name:   "builder-driver",
 			EnvVar: "PLUGIN_BUILDER_DRIVER",
 		},
-		cli.StringFlag{
+		cli.GenericFlag{
 			Name:   "builder-driver-opts",
+			Usage:  "buildx builder driver opts",
 			EnvVar: "PLUGIN_BUILDER_DRIVER_OPTS",
+			Value:  new(docker.CustomStringSliceFlag),
 		},
 		cli.StringFlag{
 			Name:   "builder-remote-conn",
@@ -366,7 +368,7 @@ func run(c *cli.Context) error {
 		Builder: docker.Builder{
 			Name:       c.String("builder-name"),
 			Driver:     c.String("builder-driver"),
-			DriverOpts: c.String("builder-driver-opts"),
+			DriverOpts: c.Generic("builder-driver-opts").(*docker.CustomStringSliceFlag).GetValue(),
 			RemoteConn: c.String("builder-remote-conn"),
 		},
 	}

docker.go

@@ -28,10 +28,10 @@ type (
 	}
 
 	Builder struct {
-		Name       string // Buildx builder name
-		Driver     string // Buildx driver type
-		DriverOpts string // Buildx driver opts
-		RemoteConn string // Buildx remote connection endpoint
+		Name       string   // Buildx builder name
+		Driver     string   // Buildx driver type
+		DriverOpts []string // Buildx driver opts
+		RemoteConn string   // Buildx remote connection endpoint
 	}
 
 	// Login defines Docker login parameters.