133 lines
4.0 KiB
Go
133 lines
4.0 KiB
Go
package create
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import (
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"errors"
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"fmt"
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"github.com/cirruslabs/orchard/pkg/client"
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v1 "github.com/cirruslabs/orchard/pkg/resource/v1"
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"github.com/spf13/cobra"
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"os"
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"strings"
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)
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var ErrVMFailed = errors.New("failed to create VM")
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var image string
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var cpu uint64
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var memory uint64
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var netSoftnet bool
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var netBridged string
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var headless bool
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var resources map[string]string
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var restartPolicy string
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var startupScript string
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var hostDirsRaw []string
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var imagePullPolicy string
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func newCreateVMCommand() *cobra.Command {
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command := &cobra.Command{
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Use: "vm NAME",
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Short: "Create a VM",
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RunE: runCreateVM,
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Args: cobra.ExactArgs(1),
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}
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command.PersistentFlags().StringVar(&image, "image", "ghcr.io/cirruslabs/macos-ventura-base:latest", "image to use")
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command.PersistentFlags().Uint64Var(&cpu, "cpu", 4, "number of CPUs to use")
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command.PersistentFlags().Uint64Var(&memory, "memory", 8*1024, "megabytes of memory to use")
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command.PersistentFlags().BoolVar(&netSoftnet, "net-softnet", false, "whether to use Softnet network isolation")
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command.PersistentFlags().StringVar(&netBridged, "net-bridged", "", "whether to use Bridged network mode")
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command.PersistentFlags().BoolVar(&headless, "headless", true, "whether to run without graphics")
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command.PersistentFlags().StringToStringVar(&resources, "resources", map[string]string{},
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"resources to request for this VM")
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command.PersistentFlags().StringVar(&restartPolicy, "restart-policy", string(v1.RestartPolicyNever),
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fmt.Sprintf("restart policy for this VM: specify %q to never restart or %q "+
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"to only restart when the VM fails", v1.RestartPolicyNever, v1.RestartPolicyOnFailure))
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command.PersistentFlags().StringVar(&startupScript, "startup-script", "",
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"startup script (e.g. --startup-script=\"sync\") or a path to a script file prefixed with \"@\" "+
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"(e.g. \"--startup-script=@script.sh\")")
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command.PersistentFlags().StringSliceVar(&hostDirsRaw, "host-dirs", []string{},
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"host directories to mount to the VM, can be specified multiple times and/or be comma-separated "+
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"(see \"tart run\"'s --dir argument for syntax)")
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command.PersistentFlags().StringVar(&imagePullPolicy, "image-pull-policy", string(v1.ImagePullPolicyIfNotPresent),
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fmt.Sprintf("image pull policy for this VM, by default the image is only pulled if it doesn't "+
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"exist in the cache (%q), specify %q to always try to pull the image",
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v1.ImagePullPolicyIfNotPresent, v1.ImagePullPolicyAlways))
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return command
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}
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func runCreateVM(cmd *cobra.Command, args []string) error {
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name := args[0]
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// Convert arguments
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var hostDirs []v1.HostDir
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for _, hostDirRaw := range hostDirsRaw {
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hostDir, err := v1.NewHostDirFromString(hostDirRaw)
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if err != nil {
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return err
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}
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hostDirs = append(hostDirs, hostDir)
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}
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vm := &v1.VM{
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Meta: v1.Meta{
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Name: name,
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},
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Image: image,
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CPU: cpu,
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Memory: memory,
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NetSoftnet: netSoftnet,
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NetBridged: netBridged,
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Headless: headless,
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HostDirs: hostDirs,
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}
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// Convert resources
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var err error
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vm.Resources, err = v1.NewResourcesFromStringToString(resources)
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if err != nil {
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return fmt.Errorf("%w: %v", ErrVMFailed, err)
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}
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// Convert image pull policy
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vm.ImagePullPolicy, err = v1.NewImagePullPolicyFromString(imagePullPolicy)
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if err != nil {
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return fmt.Errorf("%w: %v", ErrVMFailed, err)
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}
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// Convert restart policy
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vm.RestartPolicy, err = v1.NewRestartPolicyFromString(restartPolicy)
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if err != nil {
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return fmt.Errorf("%w: %v", ErrVMFailed, err)
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}
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// Convert startup script, optionally reading it from the file system
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const scriptFilePrefix = "@"
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if strings.HasPrefix(startupScript, scriptFilePrefix) {
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startupScriptBytes, err := os.ReadFile(strings.TrimPrefix(startupScript, scriptFilePrefix))
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if err != nil {
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return err
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}
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vm.StartupScript = &v1.VMScript{
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ScriptContent: string(startupScriptBytes),
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}
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} else if startupScript != "" {
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vm.StartupScript = &v1.VMScript{
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ScriptContent: startupScript,
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}
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}
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client, err := client.New()
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if err != nil {
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return err
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}
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return client.VMs().Create(cmd.Context(), vm)
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}
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