virt

package

v0.2.0 Latest Latest Go to latest Published: Feb 2, 2024 License: GPL-3.0 Imports: 19 Imported by: 0

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Repository

github.com/OpenFogStack/celestial

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Documentation ¶

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Index ¶

Constants
Variables
type NetworkEmulationBackend
type PeeringBackend
type Virt
- func New(hostInterface string, initDelay uint64, pb PeeringBackend, ...) (*Virt, error)

Constants ¶

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const (
	REGISTERED state = iota
	STARTED
	STOPPED
	KILLED
)

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const GUESTINTERFACE = "eth0"

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const HOST_INTERFACE = "ens4"

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const OUTPUTPATH = "/celestial/out"

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const ROOTPATH = "/celestial"

Variables ¶

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var (
	IPTABLES_BIN string
	IP_BIN       string
	SYSCTL_BIN   string
	DD_BIN       string
	MKFS_BIN     string
)

Functions ¶

This section is empty.

Types ¶

type NetworkEmulationBackend ¶

type NetworkEmulationBackend interface {
	Register(id orchestrator.MachineID, tap string) error
	SetBandwidth(source orchestrator.MachineID, target net.IPNet, bandwidth uint64) error
	SetLatency(source orchestrator.MachineID, target net.IPNet, latency uint32) error
	UnblockLink(source orchestrator.MachineID, target net.IPNet) error
	BlockLink(source orchestrator.MachineID, target net.IPNet) error
	Stop() error
}

NetworkEmulationBackend is the interface for the network emulation backend.

type PeeringBackend ¶

type PeeringBackend interface {
	GetHostID() (uint8, error)
	Route(network net.IPNet, host orchestrator.Host) error
	Stop() error
}

PeeringBackend is the interface for the peering backend.

type Virt ¶

type Virt struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

Virt provides virtualization functionality using firecracker.

func New ¶

func New(hostInterface string, initDelay uint64, pb PeeringBackend, neb NetworkEmulationBackend) (*Virt, error)

New creates a new virt backend.

func (*Virt) BlockLink ¶

func (v *Virt) BlockLink(source orchestrator.MachineID, target orchestrator.MachineID) error

BlockLink blocks the link between two machines using the network emulation backend.

func (*Virt) GetIPAddress ¶

func (v *Virt) GetIPAddress(id orchestrator.MachineID) (net.IPNet, error)

func (*Virt) RegisterMachine ¶

func (v *Virt) RegisterMachine(id orchestrator.MachineID, name string, host orchestrator.Host, config orchestrator.MachineConfig) error

RegisterMachine registers a machine with the virt backend. If the machine is on a remote host, it will be routed there.

func (*Virt) ResolveIPAddress ¶

func (v *Virt) ResolveIPAddress(ip net.IP) (orchestrator.MachineID, error)

func (*Virt) SetBandwidth ¶

func (v *Virt) SetBandwidth(source orchestrator.MachineID, target orchestrator.MachineID, bandwidth uint64) error

SetBandwidth sets the bandwidth between two machines using the network emulation backend.

func (*Virt) SetLatency ¶

func (v *Virt) SetLatency(source orchestrator.MachineID, target orchestrator.MachineID, latency uint32) error

SetLatency sets the latency between two machines using the network emulation backend.

func (*Virt) StartMachine ¶

func (v *Virt) StartMachine(machine orchestrator.MachineID) error

func (*Virt) Stop ¶

func (v *Virt) Stop() error

func (*Virt) StopMachine ¶

func (v *Virt) StopMachine(machine orchestrator.MachineID) error

func (*Virt) UnblockLink ¶

func (v *Virt) UnblockLink(source orchestrator.MachineID, target orchestrator.MachineID) error

UnblockLink unblocks the link between two machines using the network emulation backend.

Source Files ¶

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