Automatically detect ENV variables

cli/build.go

@@ -43,17 +43,17 @@ func NewBuildCommand() cli.Command {
  },
  cli.StringFlag{
  Name: "docker-host",
- Value: "",
+ Value: getHost(),
  Usage: "docker daemon address",
  },
  cli.StringFlag{
  Name: "docker-cert",
- Value: "",
+ Value: getCert(),
  Usage: "docker daemon tls certificate",
  },
  cli.StringFlag{
  Name: "docker-key",
- Value: "",
+ Value: getKey(),
  Usage: "docker daemon tls key",
  },
  },
@@ -204,3 +204,23 @@ func run(path, identity, dockerhost, dockercert, dockerkey string, publish, depl
 
  return builder.BuildState.ExitCode, nil
 }
+
+func getHost() string {
+ return os.Getenv("DOCKER_HOST")
+}
+
+func getCert() string {
+ if os.Getenv("DOCKER_CERT_PATH") != "" && os.Getenv("DOCKER_TLS_VERIFY") == "1" {
+ return filepath.Join(os.Getenv("DOCKER_CERT_PATH"), "cert.pem")
+ } else {
+ return ""
+ }
+}
+
+func getKey() string {
+ if os.Getenv("DOCKER_CERT_PATH") != "" && os.Getenv("DOCKER_TLS_VERIFY") == "1" {
+ return filepath.Join(os.Getenv("DOCKER_CERT_PATH"), "key.pem")
+ } else {
+ return ""
+ }
+}