func validateDockerInfo() (string, string) {
client, err := docker.Client()
if err == nil {
info, err := client.Info()
if err == nil {
execDriver := info.Get("ExecutionDriver")
storageDriver := info.Get("Driver")
desc := fmt.Sprintf("Docker exec driver is %s. Storage driver is %s.\n", execDriver, storageDriver)
if docker.UseSystemd() {
desc += "\tsystemd is being used to create cgroups.\n"
} else {
desc += "\tCgroups are being created through cgroup filesystem.\n"
}
if strings.Contains(execDriver, "native") {
stateFile := docker.DockerStateDir()
if !utils.FileExists(stateFile) {
desc += fmt.Sprintf("\tDocker container state directory %q is not accessible.\n", stateFile)
return Unsupported, desc
}
desc += fmt.Sprintf("\tDocker container state directory is at %q and is accessible.\n", stateFile)
return Recommended, desc
} else if strings.Contains(execDriver, "lxc") {
return Supported, desc
}
return Unknown, desc
}
}
return Unknown, "Docker remote API not reachable\n\t"
}
func getDockerVersion() string {
docker_version := "Unknown"
client, err := docker.Client()
if err == nil {
version, err := client.Version()
if err == nil {
docker_version = version.Get("Version")
}
}
return docker_version
}