mirror of
https://github.com/linuxkit/linuxkit.git
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af2ee9e023
This change now allows setting the Disk size, memory, and number of CPUs for an instance via the JSON config file. We now also write the hyperkit command line to the VM directory. Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
109 lines
2.9 KiB
Go
109 lines
2.9 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"os"
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"path"
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log "github.com/Sirupsen/logrus"
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"github.com/spf13/cobra"
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"github.com/docker/infrakit/pkg/cli"
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"github.com/docker/infrakit/pkg/discovery"
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"github.com/docker/infrakit/pkg/plugin/metadata"
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instance_plugin "github.com/docker/infrakit/pkg/rpc/instance"
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metadata_plugin "github.com/docker/infrakit/pkg/rpc/metadata"
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instance_spi "github.com/docker/infrakit/pkg/spi/instance"
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"github.com/docker/infrakit/pkg/template"
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)
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const (
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// Default path when used with Docker for Mac
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defaultHyperKit = "/Applications/Docker.app/Contents/MacOS/com.docker.hyperkit"
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)
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var (
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// Version is the build release identifier.
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Version = "Unspecified"
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// Revision is the build source control revision.
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Revision = "Unspecified"
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// Default path to the VPNKit socket on Docker for Mac
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defaultVPNKitSock = "Library/Containers/com.docker.docker/Data/s50"
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)
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func main() {
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cmd := &cobra.Command{
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Use: os.Args[0],
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Short: "HyperKit instance plugin",
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}
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defaultVMDir, err := os.Getwd()
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if err != nil {
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log.Error(err)
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os.Exit(1)
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}
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defaultVMDir = path.Join(defaultVMDir, "vms")
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homeDir := os.Getenv("HOME")
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defaultVPNKitSock = path.Join(homeDir, defaultVPNKitSock)
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name := cmd.Flags().String("name", "instance-hyperkit", "Plugin name to advertise for discovery")
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logLevel := cmd.Flags().Int("log", cli.DefaultLogLevel, "Logging level. 0 is least verbose. Max is 5")
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vmLib := cmd.Flags().String("vm-lib", "", "Directory with subdirectories of kernels/initrds combinations")
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vmDir := cmd.Flags().String("vm-dir", defaultVMDir, "Directory where to store VM state")
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hyperkit := cmd.Flags().String("hyperkit", defaultHyperKit, "Path to HyperKit executable")
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vpnkitSock := cmd.Flags().String("vpnkit-sock", defaultVPNKitSock, "Path to VPNKit UNIX domain socket")
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cmd.RunE = func(c *cobra.Command, args []string) error {
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opts := template.Options{
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SocketDir: discovery.Dir(),
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}
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thyper, err := template.NewTemplate("str://"+hyperkitArgs, opts)
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if err != nil {
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return err
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}
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tkern, err := template.NewTemplate("str://"+hyperkitKernArgs, opts)
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if err != nil {
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return err
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}
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cli.SetLogLevel(*logLevel)
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cli.RunPlugin(*name,
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instance_plugin.PluginServer(NewHyperKitPlugin(*vmLib, *vmDir, *hyperkit, *vpnkitSock, thyper, tkern)),
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metadata_plugin.PluginServer(metadata.NewPluginFromData(
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map[string]interface{}{
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"version": Version,
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"revision": Revision,
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"implements": instance_spi.InterfaceSpec,
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},
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)),
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)
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return nil
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}
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cmd.AddCommand(&cobra.Command{
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Use: "version",
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Short: "print build version information",
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RunE: func(cmd *cobra.Command, args []string) error {
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buff, err := json.MarshalIndent(map[string]interface{}{
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"version": Version,
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"revision": Revision,
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}, " ", " ")
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if err != nil {
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return err
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}
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fmt.Println(string(buff))
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return nil
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},
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})
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if err := cmd.Execute(); err != nil {
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log.Error(err)
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os.Exit(1)
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}
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}
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