vm.go

package vm

import (
    "time"
    "encoding/json"
    "nexus-common/caps"
    "github.com/google/uuid"
)

type (
    // VM fields to be serialized to disk.
    VMDiskSerialized struct {
        ID uuid.UUID          `json:"id"         validate:"required"`
        Owner string          `json:"owner"      validate:"required,email"`
        Name string           `json:"name"       validate:"required,min=1,max=256"`
        Cpus int              `json:"cpus"       validate:"required,gte=1,lte=32"`
        Ram int               `json:"ram"        validate:"required,gte=128,lte=32768"`  // in MB
        Nic NicType           `json:"nic"        validate:"required"`
        UsbDevs []string      `json:"usbDevs"    validate:"required"`
        TemplateID uuid.UUID  `json:"templateID" validate:"required"`
        Access map[string]caps.Capabilities `json:"access"`
        CreationTime time.Time `json:"creationTime" validate:"required"`
    }

    // VM fields to be serialized over the network.
    VMNetworkSerialized struct {
        ID uuid.UUID          `json:"id"         validate:"required"`
        Owner string          `json:"owner"      validate:"required,email"`
        Name string           `json:"name"       validate:"required,min=1,max=256"`
        Cpus int              `json:"cpus"       validate:"required,gte=1,lte=32"`
        Ram int               `json:"ram"        validate:"required,gte=128,lte=32768"`  // in MB
        Nic NicType           `json:"nic"        validate:"required"`
        UsbDevs []string      `json:"usbDevs"    validate:"required"`
        TemplateID uuid.UUID  `json:"templateID" validate:"required"`
        Access map[string]caps.Capabilities `json:"access"`
        CreationTime time.Time `json:"creationTime" validate:"required"`

        State VMState          `json:"state"`
        DiskBusy bool          `json:"diskBusy"`  // When true, the disk image must not be modified
        StartTime time.Time    `json:"startTime"`
    }

    VMSpiceCredentialsSerialized struct {
        SpicePort int         `json:"spicePort"  validate:"required,gte=1025,lte=65535"`
        SpicePwd string       `json:"spicePwd"   validate:"required,min=16,max=64"`
    }

    VMAttachCredentialsSerialized struct {
        ID uuid.UUID          `json:"id"         validate:"required"`
        Name string           `json:"name"       validate:"required,min=1,max=256"`
        Pwd string            `json:"pwd"        validate:"required,min=8,max=64"`
    }

    VMState string  // see stateXXX below
    NicType string  // see nicXXX below
)

const (
    StateStopped VMState = "STOPPED"
    StateRunning VMState = "RUNNING"

    NicUser NicType = "user"
    NicNone NicType = "none"
)

// Converts a VMNetworkSerialized structure into a pretty string.
func (v *VMNetworkSerialized)String() (string, error) {
    output, err := json.MarshalIndent(v, "", "    ")
    if err != nil {
        return "", err
    }
    return string(output), nil
}