package google import ( "fmt" "strings" ) // If the given name is a URL, return it. // If it is of the form project/name, use that URL. // If it is of the form name then look in the configured project and then hosted image projects. func resolveImage(c *Config, name string) (string, error) { if strings.HasPrefix(name, "https://www.googleapis.com/compute/v1/") { return name, nil } else { splitName := strings.Split(name, "/") if len(splitName) == 1 { // Must infer the project name: // First, try the configured project. image, err := c.clientCompute.Images.Get(c.Project, name).Do() if err == nil { return image.SelfLink, nil } // If we match a lookup for an alternate project, then try that next. // If not, we return the original error. // If the image name contains the left hand side, we use the project from the right hand // side. imageMap := map[string]string{ "centos": "centos-cloud", "coreos": "coreos-cloud", "debian": "debian-cloud", "opensuse": "opensuse-cloud", "rhel": "rhel-cloud", "sles": "suse-cloud", "ubuntu": "ubuntu-os-cloud", "windows": "windows-cloud", } var project string for k, v := range imageMap { if strings.Contains(name, k) { project = v break } } if project == "" { return "", err } // There was a match, but the image still may not exist, so check it: image, err = c.clientCompute.Images.Get(project, name).Do() if err == nil { return image.SelfLink, nil } return "", err } else if len(splitName) == 2 { image, err := c.clientCompute.Images.Get(splitName[0], splitName[1]).Do() if err == nil { return image.SelfLink, nil } return "", err } else { return "", fmt.Errorf("Invalid image name, require URL, project/name, or just name: %s", name) } } }