Fix docker TLS, update readme and config file

README.md

@@ -122,9 +122,11 @@ from=""
 user=""
 pass=""
 
-[worker]
+[docker]
 cert=""
 key=""
+
+[worker]
 nodes=[
 "unix:///var/run/docker.sock",
 "unix:///var/run/docker.sock"

packaging/root/etc/drone/drone.toml

@@ -64,9 +64,11 @@ datasource="/var/lib/drone/drone.sqlite"
 # user=""
 # pass=""
 
-# [worker]
+# [docker]
 # cert=""
 # key=""
+
+# [worker]
 # nodes=[
 #   "unix:///var/run/docker.sock",
 #   "unix:///var/run/docker.sock"

server/main.go

@@ -34,6 +34,10 @@ import (
 	"github.com/drone/drone/server/worker/pool"
 )
 
+const (
+	DockerTLSWarning = `WARINING: Docker TLS cert or key not given, this may cause a build errors`
+)
+
 var (
 	// commit sha for the current build, set by
 	// the compile process.
@@ -61,9 +65,9 @@ var (
 	pub     *pubsub.PubSub
 
 	// Docker configuration details.
-	dockercrt = config.String("docker-cert", "")
+	dockercert = config.String("docker-cert", "")
-	dockerkey = config.String("docker-key", "")
+	dockerkey  = config.String("docker-key", "")
-	nodes     StringArr
+	nodes      StringArr
 
 	db *sql.DB
 
@@ -117,7 +121,14 @@ func main() {
 		workers.Allocate(docker.New())
 	} else {
 		for _, node := range nodes {
-			workers.Allocate(docker.NewHost(node))
+			if strings.HasPrefix(node, "unix://") {
+				workers.Allocate(docker.NewHost(node))
+			} else if *dockercert != "" && *dockerkey != "" {
+				workers.Allocate(docker.NewHostCertFile(node, *dockercert, *dockerkey))
+			} else {
+				fmt.Println(DockerTLSWarning)
+				workers.Allocate(docker.NewHost(node))
+			}
 		}
 	}
 

server/worker/docker/docker.go

@@ -49,6 +49,20 @@ func NewHost(host string) *Docker {
 	}
 }
 
+func NewHostCertFile(host, cert, key string) *Docker {
+	docker_node, err := docker.NewHostCertFile(host, cert, key)
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	return &Docker{
+		UUID:    uuid.New(),
+		Kind:    dockerKind,
+		Created: time.Now().UTC().Unix(),
+		docker:  docker_node,
+	}
+}
+
 func (d *Docker) Do(c context.Context, r *worker.Work) {
 
 	// ensure that we can recover from any panics to