// composeUp converts given json to yaml, saves to a file on the host and
// uses `docker-compose up -d` to create the containers.
func composeUp(d driver.DistroDriver, json map[string]interface{}) error {
	if len(json) == 0 {
		log.Println("docker-compose config not specified, noop")
		return nil
	}

	// Convert json to yaml
	yaml, err := yaml.Marshal(json)
	if err != nil {
		return fmt.Errorf("error converting to compose.yml: %v", err)
	}

	if err := os.MkdirAll(composeYmlDir, 0777); err != nil {
		return fmt.Errorf("failed creating %s: %v", composeYmlDir, err)
	}
	log.Printf("Using compose yaml:>>>>>\n%s\n<<<<<", string(yaml))
	ymlPath := filepath.Join(composeYmlDir, composeYml)
	if err := ioutil.WriteFile(ymlPath, yaml, 0666); err != nil {
		return fmt.Errorf("error writing %s: %v", ymlPath, err)
	}

	// set timeout for docker-compose -> docker-engine interactions.
	// When downloading large images, docker-compose intermittently times out
	// (gh#docker/compose/issues/2186).
	os.Setenv("COMPOSE_HTTP_TIMEOUT", fmt.Sprintf("%d", composeTimeoutSecs))  // versions <= 1.4.2
	os.Setenv("DOCKER_CLIENT_TIMEOUT", fmt.Sprintf("%d", composeTimeoutSecs)) // version  >= 1.5.0
	defer os.Unsetenv("COMPOSE_HTTP_TIMEOUT")
	defer os.Unsetenv("DOCKER_CLIENT_TIMEOUT")

	return executil.ExecPipeToFds(executil.Fds{Out: ioutil.Discard}, composeBinPath(d), "-p", composeProject, "-f", ymlPath, "up", "-d")
}
Пример #2
0
// composeUp converts given json to yaml, saves to a file on the host and
// uses `docker-compose up -d` to create the containers.
func composeUp(d driver.DistroDriver, json map[string]interface{}) error {
	if len(json) == 0 {
		log.Println("docker-compose config not specified, noop")
		return nil
	}

	// Convert json to yaml
	yaml, err := yaml.Marshal(json)
	if err != nil {
		return fmt.Errorf("error converting to compose.yml: %v", err)
	}

	if err := os.MkdirAll(composeYmlDir, 0777); err != nil {
		return fmt.Errorf("failed creating %s: %v", composeYmlDir, err)
	}
	log.Printf("Using compose yaml:>>>>>\n%s\n<<<<<", string(yaml))
	ymlPath := filepath.Join(composeYmlDir, composeYml)
	if err := ioutil.WriteFile(ymlPath, yaml, 0666); err != nil {
		return fmt.Errorf("error writing %s: %v", ymlPath, err)
	}

	return executil.ExecPipeToFds(executil.Fds{Out: ioutil.Discard}, composeBinPath(d), "-p", composeProject, "-f", ymlPath, "up", "-d")
}