hypervisors

package
v0.8.0 Latest Latest
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 Go to latest Published: Sep 7, 2026 License: Apache-2.0 Imports: 14 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	CloudHypervisorVmm    VmmType = "cloud-hypervisor"
	CloudHypervisorBinary string  = "cloud-hypervisor"
)
View Source 
const (
	FirecrackerVmm    VmmType = "firecracker"
	FirecrackerBinary string  = "firecracker"
	FCJsonFilename    string  = "fc.json"
)
View Source 
const (
	HvtVmm    VmmType = "hvt"
	HvtBinary string  = "solo5-hvt"
)
View Source 
const (
	HyperlightVmm    VmmType = "hyperlight-unikraft"
	HyperlightBinary string  = "hyperlight-unikraft"
)
View Source 
const (
	QemuVmm    VmmType = "qemu"
	QemuBinary string  = "qemu-system-"
)
View Source 
const (
	SptVmm    VmmType = "spt"
	SptBinary string  = "solo5-spt"
)
View Source 
const DefaultMemory uint64 = 256 // The default memory for every hypervisor: 256 MB

Variables

View Source 
var ErrVMMNotInstalled = errors.New("vmm not found")

Functions

func BytesToStringMB 

func BytesToStringMB(argMem uint64) string

func NewVMM 

func NewVMM(vmmType VmmType, monitors map[string]types.MonitorConfig) (vmm types.VMM, err error)

Types

type CloudHypervisor added in v0.8.0 

type CloudHypervisor struct {
	// contains filtered or unexported fields
}

func (*CloudHypervisor) BuildExecCmd added in v0.8.0 

func (ch *CloudHypervisor) BuildExecCmd(args types.ExecArgs, ukernel types.Unikernel) ([]string, error)

BuildExecCmd builds and validates the Cloud Hypervisor command arguments without executing.

func (*CloudHypervisor) Ok added in v0.8.0 

func (ch *CloudHypervisor) Ok() error

func (*CloudHypervisor) Path added in v0.8.0 

func (ch *CloudHypervisor) Path() string

func (*CloudHypervisor) PreExec added in v0.8.0 

func (ch *CloudHypervisor) PreExec(_ types.ExecArgs) error

PreExec performs pre-execution setup. Cloud Hypervisor has no special pre-exec requirements.

func (*CloudHypervisor) Signal added in v0.8.0 

func (ch *CloudHypervisor) Signal(pid int, signal unix.Signal) error

func (*CloudHypervisor) Stop added in v0.8.0 

func (ch *CloudHypervisor) Stop(pid int) error

func (*CloudHypervisor) SupportsSharedfs added in v0.8.0 

func (ch *CloudHypervisor) SupportsSharedfs(fsType string) bool

SupportsSharedfs returns true as Cloud Hypervisor supports virtiofs

func (*CloudHypervisor) UsesKVM added in v0.8.0 

func (ch *CloudHypervisor) UsesKVM() bool

UsesKVM returns true as Cloud Hypervisor is a KVM-based VMM

type Firecracker 

type Firecracker struct {
	// contains filtered or unexported fields
}

func (*Firecracker) BuildExecCmd added in v0.8.0 

func (fc *Firecracker) BuildExecCmd(args types.ExecArgs, ukernel types.Unikernel) ([]string, error)

func (*Firecracker) Ok 

func (fc *Firecracker) Ok() error

func (*Firecracker) Path 

func (fc *Firecracker) Path() string

func (*Firecracker) PreExec added in v0.8.0 

func (fc *Firecracker) PreExec(_ types.ExecArgs) error

PreExec performs pre-execution setup. Firecracker has no special pre-exec requirements.

func (*Firecracker) Signal added in v0.8.0 

func (fc *Firecracker) Signal(pid int, signal unix.Signal) error

func (*Firecracker) Stop 

func (fc *Firecracker) Stop(pid int) error

func (*Firecracker) SupportsSharedfs 

func (fc *Firecracker) SupportsSharedfs(_ string) bool

SupportsSharedfs returns a bool value depending on the monitor support for shared-fs

func (*Firecracker) UsesKVM 

func (fc *Firecracker) UsesKVM() bool

type FirecrackerBootSource 

type FirecrackerBootSource struct {
	ImagePath  string `json:"kernel_image_path"`
	BootArgs   string `json:"boot_args"`
	InitrdPath string `json:"initrd_path,omitempty"`
}

type FirecrackerConfig 

type FirecrackerConfig struct {
	Source  FirecrackerBootSource `json:"boot-source"`
	Machine FirecrackerMachine    `json:"machine-config"`
	Drives  []FirecrackerDrive    `json:"drives"`
	NetIfs  []FirecrackerNet      `json:"network-interfaces,omitempty"`
	VSock   FirecrackerVSockDev   `json:"vsock,omitempty"`
}

type FirecrackerDrive 

type FirecrackerDrive struct {
	DriveID   string `json:"drive_id"`
	IsRO      bool   `json:"is_read_only"`
	IsRootDev bool   `json:"is_root_device"`
	HostPath  string `json:"path_on_host"`
}

type FirecrackerMachine 

type FirecrackerMachine struct {
	VcpuCount       uint   `json:"vcpu_count"`
	MemSizeMiB      uint64 `json:"mem_size_mib"`
	Smt             bool   `json:"smt"`
	TrackDirtyPages bool   `json:"track_dirty_pages"`
}

type FirecrackerNet 

type FirecrackerNet struct {
	IfaceID  string `json:"iface_id"`
	GuestMAC string `json:"guest_mac,omitempty"`
	HostIF   string `json:"host_dev_name"`
}

type FirecrackerVSockDev 

type FirecrackerVSockDev struct {
	GuestCID int    `json:"guest_cid"`
	UDSPath  string `json:"uds_path"`
	VSockID  string `json:"vsock_id"`
}

type HVT 

type HVT struct {
	// contains filtered or unexported fields
}

func (*HVT) BuildExecCmd added in v0.8.0 

func (h *HVT) BuildExecCmd(args types.ExecArgs, ukernel types.Unikernel) ([]string, error)

func (*HVT) Ok 

func (h *HVT) Ok() error

Ok checks if the hvt binary is available in the system's PATH.

func (*HVT) Path 

func (h *HVT) Path() string

Path returns the path to the hvt binary.

func (*HVT) PreExec added in v0.8.0 

func (h *HVT) PreExec(args types.ExecArgs) error

PreExec performs pre-execution setup for HVT. HVT requires applying seccomp filters before syscall.Exec if Seccomp is enabled.

func (*HVT) Signal added in v0.8.0 

func (h *HVT) Signal(pid int, signal unix.Signal) error

func (*HVT) Stop 

func (h *HVT) Stop(pid int) error

Stop kills the hvt process

func (*HVT) SupportsSharedfs 

func (h *HVT) SupportsSharedfs(_ string) bool

SupportsSharedfs returns a bool value depending on the monitor support for shared-fs

func (*HVT) UsesKVM 

func (h *HVT) UsesKVM() bool

UsesKVM returns a bool value depending on if the monitor uses KVM

type Hedge 

type Hedge struct{}

func (*Hedge) BuildExecCmd added in v0.8.0 

func (h *Hedge) BuildExecCmd(_ types.ExecArgs, _ types.Unikernel) ([]string, error)

func (*Hedge) Ok 

func (h *Hedge) Ok() error

func (*Hedge) Path 

func (h *Hedge) Path() string

func (*Hedge) PreExec added in v0.8.0 

func (h *Hedge) PreExec(_ types.ExecArgs) error

PreExec performs pre-execution setup. Hedge is not fully implemented.

func (*Hedge) Signal added in v0.8.0 

func (h *Hedge) Signal(_ int, _ unix.Signal) error

func (*Hedge) Stop 

func (h *Hedge) Stop(_ int) error

func (*Hedge) SupportsSharedfs 

func (h *Hedge) SupportsSharedfs(_ string) bool

SupportsSharedfs returns a bool value depending on the monitor support for shared-fs

func (*Hedge) UsesKVM 

func (h *Hedge) UsesKVM() bool

func (*Hedge) VMState 

func (h *Hedge) VMState(name string) string

type Hyperlight added in v0.8.0 

type Hyperlight struct {
	// contains filtered or unexported fields
}

func (*Hyperlight) BuildExecCmd added in v0.8.0 

func (h *Hyperlight) BuildExecCmd(args types.ExecArgs, _ types.Unikernel) ([]string, error)

BuildExecCmd constructs the hyperlight-unikraft command line.

func (*Hyperlight) Ok added in v0.8.0 

func (h *Hyperlight) Ok() error

Ok checks if the hyperlight-unikraft binary is available. Binary availability is already verified by getVMMPath via exec.LookPath.

func (*Hyperlight) Path added in v0.8.0 

func (h *Hyperlight) Path() string

Path returns the path to the hyperlight binary.

func (*Hyperlight) PreExec added in v0.8.0 

func (h *Hyperlight) PreExec(_ types.ExecArgs) error

PreExec performs pre-execution setup. Hyperlight has no special pre-exec requirements.

func (*Hyperlight) Signal added in v0.8.0 

func (h *Hyperlight) Signal(pid int, signal unix.Signal) error

func (*Hyperlight) Stop added in v0.8.0 

func (h *Hyperlight) Stop(pid int) error

Stop kills the hyperlight process

func (*Hyperlight) SupportsSharedfs added in v0.8.0 

func (h *Hyperlight) SupportsSharedfs(_ string) bool

SupportsSharedfs returns a bool value depending on the monitor support for shared-fs

func (*Hyperlight) UsesKVM added in v0.8.0 

func (h *Hyperlight) UsesKVM() bool

UsesKVM returns a bool value depending on if the monitor uses KVM

type Qemu 

type Qemu struct {
	// contains filtered or unexported fields
}

func (*Qemu) BuildExecCmd added in v0.8.0 

func (q *Qemu) BuildExecCmd(args types.ExecArgs, ukernel types.Unikernel) ([]string, error)

func (*Qemu) Ok 

func (q *Qemu) Ok() error

func (*Qemu) Path 

func (q *Qemu) Path() string

func (*Qemu) PreExec added in v0.8.0 

func (q *Qemu) PreExec(_ types.ExecArgs) error

PreExec performs pre-execution setup. QEMU has no special pre-exec requirements.

func (*Qemu) Signal added in v0.8.0 

func (q *Qemu) Signal(pid int, signal unix.Signal) error

func (*Qemu) Stop 

func (q *Qemu) Stop(pid int) error

func (*Qemu) SupportsSharedfs 

func (q *Qemu) SupportsSharedfs(_ string) bool

SupportsSharedfs returns a bool value depending on the monitor support for shared-fs

func (*Qemu) UsesKVM 

func (q *Qemu) UsesKVM() bool

UsesKVM returns a bool value depending on if the monitor uses KVM

type SPT 

type SPT struct {
	// contains filtered or unexported fields
}

func (*SPT) BuildExecCmd added in v0.8.0 

func (s *SPT) BuildExecCmd(args types.ExecArgs, ukernel types.Unikernel) ([]string, error)

func (*SPT) Ok 

func (s *SPT) Ok() error

Ok checks if the spt binary is available in the system's PATH.

func (*SPT) Path 

func (s *SPT) Path() string

Path returns the path to the spt binary.

func (*SPT) PreExec added in v0.8.0 

func (s *SPT) PreExec(_ types.ExecArgs) error

PreExec performs pre-execution setup. SPT has no special pre-exec requirements.

func (*SPT) Signal added in v0.8.0 

func (s *SPT) Signal(pid int, signal unix.Signal) error

func (*SPT) Stop 

func (s *SPT) Stop(pid int) error

Stop kills the spt process

func (*SPT) SupportsSharedfs 

func (s *SPT) SupportsSharedfs(_ string) bool

SupportsSharedfs returns a bool value depending on the monitor support for shared-fs

func (*SPT) UsesKVM 

func (s *SPT) UsesKVM() bool

UsesKVM returns a bool value depending on if the monitor uses KVM

type VMMFactory 

type VMMFactory struct {
	// contains filtered or unexported fields
}

type VmmType 

type VmmType string
const (
	HedgeVmm VmmType = "hedge"

	ConsoleEndpoint = "/proc/vmcons"
)

Source Files

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