Add hostname in docker section of .drone.yml

shared/build/build.go

@@ -319,6 +319,7 @@ func (b *Builder) teardown() error {
 func (b *Builder) run() error {
  // create and run the container
  conf := docker.Config{
+ Hostname: script.DockerHostname(b.Build.Docker),
  Image: b.image.ID,
  AttachStdin: false,
  AttachStdout: true,

shared/build/script/docker.go

@@ -10,6 +10,10 @@ type Docker struct {
  // NetworkMode (also known as `--net` option)
  // Could be set only if Docker is running in privileged mode
  NetworkMode *string `yaml:"net,omitempty"`
+
+ // Hostname (also known as `--hostname` option)
+ // Could be set only if Docker is running in privileged mode
+ Hostname *string `yaml:"hostname,omitempty"`
 }
 
 // DockerNetworkMode returns DefaultNetworkMode
@@ -22,3 +26,14 @@ func DockerNetworkMode(d *Docker) string {
  }
  return *d.NetworkMode
 }
+
+// DockerNetworkMode returns empty string
+// when Docker.NetworkMode is empty.
+// DockerNetworkMode returns Docker.NetworkMode
+// when it is not empty.
+func DockerHostname(d *Docker) string {
+ if d == nil || d.Hostname == nil {
+ return ""
+ }
+ return *d.Hostname
+}

shared/build/script/docker_test.go

@@ -38,3 +38,32 @@ func TestDockerNetworkMode(t *testing.T) {
  t.Errorf("The result is invalid. [expected: %s][actual: %s]", expected, actual)
  }
 }
+
+func TestDockerHostname(t *testing.T) {
+ var d *Docker
+ var expected string
+
+ expected = ""
+ d = nil
+ if actual := DockerHostname(d); actual != expected {
+ t.Errorf("The result is invalid. [expected: %s][actual: %s]", expected, actual)
+ }
+
+ expected = ""
+ d = &Docker{}
+ if actual := DockerHostname(d); actual != expected {
+ t.Errorf("The result is invalid. [expected: %s][actual: %s]", expected, actual)
+ }
+
+ expected = ""
+ d = &Docker{Hostname: nil}
+ if actual := DockerHostname(d); actual != expected {
+ t.Errorf("The result is invalid. [expected: %s][actual: %s]", expected, actual)
+ }
+
+ expected = "host"
+ d = &Docker{Hostname: &expected}
+ if actual := DockerHostname(d); actual != expected {
+ t.Errorf("The result is invalid. [expected: %s][actual: %s]", expected, actual)
+ }
+}