func getDriverOpts(c *cli.Context, mcnflags []mcnflag.Flag) drivers.DriverOptions {
// TODO: This function is pretty damn YOLO and would benefit from some
// sanity checking around types and assertions.
//
// But, we need it so that we can actually send the flags for creating
// a machine over the wire (cli.Context is a no go since there is so
// much stuff in it).
driverOpts := rpcdriver.RpcFlags{
Values: make(map[string]interface{}),
}
for _, f := range mcnflags {
driverOpts.Values[f.String()] = f.Default()
// Hardcoded logic for boolean... :(
if f.Default() == nil {
driverOpts.Values[f.String()] = false
}
}
for _, name := range c.FlagNames() {
getter, ok := c.Generic(name).(flag.Getter)
if !ok {
// TODO: This is pretty hacky. StringSlice is the only
// type so far we have to worry about which is not a
// Getter, though.
driverOpts.Values[name] = c.StringSlice(name)
continue
}
driverOpts.Values[name] = getter.Get()
}
return driverOpts
}
func cmdCreateInner(c *cli.Context) {
if len(c.Args()) > 1 {
fatalf("Invalid command line. Found extra arguments %v", c.Args()[1:])
}
name := c.Args().First()
driverName := c.String("driver")
certInfo := getCertPathInfoFromContext(c)
storePath := c.GlobalString("storage-path")
store := &persist.Filestore{
Path: storePath,
CaCertPath: certInfo.CaCertPath,
CaPrivateKeyPath: certInfo.CaPrivateKeyPath,
}
if name == "" {
cli.ShowCommandHelp(c, "create")
fatal("Error: No machine name specified.")
}
validName := host.ValidateHostName(name)
if !validName {
fatal("Error creating machine: ", mcnerror.ErrInvalidHostname)
}
if err := validateSwarmDiscovery(c.String("swarm-discovery")); err != nil {
fatalf("Error parsing swarm discovery: %s", err)
}
// TODO: Fix hacky JSON solution
bareDriverData, err := json.Marshal(&drivers.BaseDriver{
MachineName: name,
StorePath: c.GlobalString("storage-path"),
})
if err != nil {
fatalf("Error attempting to marshal bare driver data: %s", err)
}
driver, err := newPluginDriver(driverName, bareDriverData)
if err != nil {
fatalf("Error loading driver %q: %s", driverName, err)
}
h, err := store.NewHost(driver)
if err != nil {
fatalf("Error getting new host: %s", err)
}
h.HostOptions = &host.HostOptions{
AuthOptions: &auth.AuthOptions{
CertDir: mcndirs.GetMachineCertDir(),
CaCertPath: certInfo.CaCertPath,
CaPrivateKeyPath: certInfo.CaPrivateKeyPath,
ClientCertPath: certInfo.ClientCertPath,
ClientKeyPath: certInfo.ClientKeyPath,
ServerCertPath: filepath.Join(mcndirs.GetMachineDir(), name, "server.pem"),
ServerKeyPath: filepath.Join(mcndirs.GetMachineDir(), name, "server-key.pem"),
StorePath: filepath.Join(mcndirs.GetMachineDir(), name),
},
EngineOptions: &engine.EngineOptions{
ArbitraryFlags: c.StringSlice("engine-opt"),
Env: c.StringSlice("engine-env"),
InsecureRegistry: c.StringSlice("engine-insecure-registry"),
Labels: c.StringSlice("engine-label"),
RegistryMirror: c.StringSlice("engine-registry-mirror"),
StorageDriver: c.String("engine-storage-driver"),
TlsVerify: true,
InstallURL: c.String("engine-install-url"),
},
SwarmOptions: &swarm.SwarmOptions{
IsSwarm: c.Bool("swarm"),
Image: c.String("swarm-image"),
Master: c.Bool("swarm-master"),
Discovery: c.String("swarm-discovery"),
Address: c.String("swarm-addr"),
Host: c.String("swarm-host"),
Strategy: c.String("swarm-strategy"),
ArbitraryFlags: c.StringSlice("swarm-opt"),
},
}
exists, err := store.Exists(h.Name)
if err != nil {
fatalf("Error checking if host exists: %s", err)
}
if exists {
fatal(mcnerror.ErrHostAlreadyExists{
Name: h.Name,
})
}
// driverOpts is the actual data we send over the wire to set the
// driver parameters (an interface fulfilling drivers.DriverOptions,
// concrete type rpcdriver.RpcFlags).
mcnFlags := driver.GetCreateFlags()
driverOpts := getDriverOpts(c, mcnFlags)
if err := h.Driver.SetConfigFromFlags(driverOpts); err != nil {
fatalf("Error setting machine configuration from flags provided: %s", err)
}
if err := libmachine.Create(store, h); err != nil {
fatalf("Error creating machine: %s", err)
}
if err := saveHost(store, h); err != nil {
fatalf("Error attempting to save store: %s", err)
}
log.Infof("To see how to connect Docker to this machine, run: %s", fmt.Sprintf("%s env %s", os.Args[0], name))
}
func cmdLs(c *cli.Context) {
quiet := c.Bool("quiet")
filters, err := parseFilters(c.StringSlice("filter"))
if err != nil {
fatal(err)
}
store := getStore(c)
hostList, err := listHosts(store)
if err != nil {
fatal(err)
}
hostList = filterHosts(hostList, filters)
// Just print out the names if we're being quiet
if quiet {
for _, host := range hostList {
fmt.Println(host.Name)
}
return
}
swarmMasters := make(map[string]string)
swarmInfo := make(map[string]string)
w := tabwriter.NewWriter(os.Stdout, 5, 1, 3, ' ', 0)
fmt.Fprintln(w, "NAME\tACTIVE\tDRIVER\tSTATE\tURL\tSWARM")
for _, host := range hostList {
swarmOptions := host.HostOptions.SwarmOptions
if swarmOptions.Master {
swarmMasters[swarmOptions.Discovery] = host.Name
}
if swarmOptions.Discovery != "" {
swarmInfo[host.Name] = swarmOptions.Discovery
}
}
items := getHostListItems(hostList)
sortHostListItemsByName(items)
for _, item := range items {
activeString := "-"
if item.Active {
activeString = "*"
}
swarmInfo := ""
if item.SwarmOptions.Discovery != "" {
swarmInfo = swarmMasters[item.SwarmOptions.Discovery]
if item.SwarmOptions.Master {
swarmInfo = fmt.Sprintf("%s (master)", swarmInfo)
}
}
fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s\t%s\n",
item.Name, activeString, item.DriverName, item.State, item.URL, swarmInfo)
}
w.Flush()
}
