Documentation ¶
Overview ¶
Package prot defines any structures used in the communication between the HCS and the GCS. Some of these structures are also used outside the bridge as good ways of packaging parameters to core calls.
Index ¶
- Constants
- type ActiveOperation
- type CombinedLayersV2
- type ContainerConstraintsV2
- type ContainerCreate
- type ContainerCreateResponse
- type ContainerExecuteProcess
- type ContainerExecuteProcessResponse
- type ContainerGetProperties
- type ContainerGetPropertiesResponse
- type ContainerModifySettings
- type ContainerNotification
- type ContainerResizeConsole
- type ContainerSignalProcess
- type ContainerWaitForProcess
- type ContainerWaitForProcessResponse
- type DeviceMappingInfo
- type DeviceVerityInfo
- type DumpStacksResponse
- type ErrorRecord
- type ExecuteProcessSettings
- type ExecuteProcessVsockStdioRelaySettings
- type GcsCapabilities
- type GcsGuestCapabilities
- type Layer
- type MappedDirectory
- type MappedDirectoryV2
- type MappedVPCIDeviceV2
- type MappedVPMemDeviceV2
- type MappedVirtualDisk
- type MappedVirtualDiskV2
- type MessageBase
- type MessageCategory
- type MessageHeader
- type MessageIdentifier
- type MessageResponseBase
- type MessageType
- type ModifyRequestType
- type ModifyResourceType
- type ModifySettingRequest
- type NegotiateProtocol
- type NegotiateProtocolResponse
- type NetworkAdapter
- type NetworkAdapterV2
- type NotificationType
- type OsType
- type ProcessDetails
- type ProcessParameters
- type Properties
- type PropertiesV2
- type PropertyQuery
- type PropertyType
- type ProtocolSupport
- type ProtocolVersion
- type RequestType
- type ResourceModificationRequestResponse
- type SchemaVersion
- type SequenceID
- type SignalProcessOptions
- type VMHostedContainerSettings
- type VMHostedContainerSettingsV2
Constants ¶
const ( // MtNone is the default MessageType. MtNone = 0 // MtRequest is the MessageType when a request is recieved. MtRequest = 0x10000000 // MtResponse is the MessageType used to send a response. MtResponse = 0x20000000 // MtNotification is the MessageType used to send a notification not // initiated by a request. MtNotification = 0x30000000 )
const ( // McNone is the default category. McNone = 0 // McComputeSystem is the category to define message types for compute // systems. McComputeSystem = 0x00100000 )
const ( // MiNone is the unknown identifier. MiNone = 0 // ComputeSystemCreateV1 is the create container request. ComputeSystemCreateV1 = 0x10100101 // ComputeSystemStartV1 is the start container request. ComputeSystemStartV1 = 0x10100201 // ComputeSystemShutdownGracefulV1 is the graceful shutdown container // request. ComputeSystemShutdownGracefulV1 = 0x10100301 // ComputeSystemShutdownForcedV1 is the forceful shutdown container request. ComputeSystemShutdownForcedV1 = 0x10100401 // ComputeSystemExecuteProcessV1 is the execute process request. ComputeSystemExecuteProcessV1 = 0x10100501 // ComputeSystemWaitForProcessV1 is the wait for process exit request. ComputeSystemWaitForProcessV1 = 0x10100601 // ComputeSystemSignalProcessV1 is the signal process request. ComputeSystemSignalProcessV1 = 0x10100701 // ComputeSystemResizeConsoleV1 is the resize console tty request. ComputeSystemResizeConsoleV1 = 0x10100801 // ComputeSystemGetPropertiesV1 is the list process properties request. ComputeSystemGetPropertiesV1 = 0x10100901 // ComputeSystemModifySettingsV1 is the modify container request. ComputeSystemModifySettingsV1 = 0x10100a01 // ComputeSystemNegotiateProtocolV1 is the protocol negotiation request. ComputeSystemNegotiateProtocolV1 = 0x10100b01 // ComputeSystemDumpStacksV1 is the dump stack request ComputeSystemDumpStacksV1 = 0x10100c01 // ComputeSystemDeleteContainerStateV1 is the delete container request. ComputeSystemDeleteContainerStateV1 = 0x10100d01 // ComputeSystemResponseCreateV1 is the create container response. ComputeSystemResponseCreateV1 = 0x20100101 // ComputeSystemResponseStartV1 is the start container response. ComputeSystemResponseStartV1 = 0x20100201 // ComputeSystemResponseShutdownGracefulV1 is the graceful shutdown // container response. ComputeSystemResponseShutdownGracefulV1 = 0x20100301 // ComputeSystemResponseShutdownForcedV1 is the forceful shutdown container // response. ComputeSystemResponseShutdownForcedV1 = 0x20100401 // ComputeSystemResponseExecuteProcessV1 is the execute process response. ComputeSystemResponseExecuteProcessV1 = 0x20100501 // ComputeSystemResponseWaitForProcessV1 is the wait for process exit // response. ComputeSystemResponseWaitForProcessV1 = 0x20100601 // ComputeSystemResponseSignalProcessV1 is the signal process response. ComputeSystemResponseSignalProcessV1 = 0x20100701 // ComputeSystemResponseResizeConsoleV1 is the resize console tty response. ComputeSystemResponseResizeConsoleV1 = 0x20100801 // ComputeSystemResponseGetPropertiesV1 is the list process properties // response. ComputeSystemResponseGetPropertiesV1 = 0x20100901 // ComputeSystemResponseModifySettingsV1 is the modify container response. ComputeSystemResponseModifySettingsV1 = 0x20100a01 // ComputeSystemResponseNegotiateProtocolV1 is the protocol negotiation // response. ComputeSystemResponseNegotiateProtocolV1 = 0x20100b01 // ComputeSystemResponseDumpStacksV1 is the dump stack response ComputeSystemResponseDumpStacksV1 = 0x20100c01 // ComputeSystemNotificationV1 is the notification identifier. ComputeSystemNotificationV1 = 0x30100101 )
const ( // NtNone indicates nothing to be sent back to the HCS NtNone = NotificationType("None") // NtGracefulExit indicates a graceful exit notification to be sent back to // the HCS NtGracefulExit = NotificationType("GracefulExit") // NtForcedExit indicates a forced exit notification to be sent back to the // HCS NtForcedExit = NotificationType("ForcedExit") // NtUnexpectedExit indicates an unexpected exit notification to be sent // back to the HCS NtUnexpectedExit = NotificationType("UnexpectedExit") // NtReboot indicates a reboot notification to be sent back to the HCS NtReboot = NotificationType("Reboot") // NtConstructed indicates a constructed notification to be sent back to the // HCS NtConstructed = NotificationType("Constructed") // NtStarted indicates a started notification to be sent back to the HCS NtStarted = NotificationType("Started") // NtPaused indicates a paused notification to be sent back to the HCS NtPaused = NotificationType("Paused") // NtUnknown indicates an unknown notification to be sent back to the HCS NtUnknown = NotificationType("Unknown") )
const ( // AoNone indicates no active operation AoNone = ActiveOperation("None") // AoConstruct indicates a construct active operation AoConstruct = ActiveOperation("Construct") // AoStart indicates a start active operation AoStart = ActiveOperation("Start") // AoPause indicates a pause active operation AoPause = ActiveOperation("Pause") // AoResume indicates a resume active operation AoResume = ActiveOperation("Resume") // AoShutdown indicates a shutdown active operation AoShutdown = ActiveOperation("Shutdown") // AoTerminate indicates a terminate active operation AoTerminate = ActiveOperation("Terminate") )
const ( // PtMemory is the property type for memory PtMemory = PropertyType("Memory") // PtCPUGroup is the property type for CPU group PtCPUGroup = PropertyType("CpuGroup") // PtStatistics is the property type for statistics PtStatistics = PropertyType("Statistics") // PtProcessList is the property type for a process list PtProcessList = PropertyType("ProcessList") // PtPendingUpdates is the property type for determining if there are // pending updates PtPendingUpdates = PropertyType("PendingUpdates") // PtTerminateOnLastHandleClosed is the property type for exiting when the // last handle is closed PtTerminateOnLastHandleClosed = PropertyType("TerminateOnLastHandleClosed") // PtMappedDirectory is the property type for mapped directories PtMappedDirectory = PropertyType("MappedDirectory") // PtSystemGUID is the property type for the system GUID PtSystemGUID = PropertyType("SystemGUID") // PtNetwork is the property type for networking PtNetwork = PropertyType("Network") // PtMappedPipe is the property type for mapped pipes PtMappedPipe = PropertyType("MappedPipe") // PtMappedVirtualDisk is the property type for mapped virtual disks PtMappedVirtualDisk = PropertyType("MappedVirtualDisk") )
const ( // RtAdd is the "Add" request type of operation RtAdd = RequestType("Add") // RtRemove is the "Remove" request type of operation RtRemove = RequestType("Remove") // RtUpdate is the "Update" request type of operation RtUpdate = RequestType("Update") )
const ( // MrtMappedDirectory is the modify resource type for mapped directories MrtMappedDirectory = ModifyResourceType("MappedDirectory") // MrtMappedVirtualDisk is the modify resource type for mapped virtual // disks MrtMappedVirtualDisk = ModifyResourceType("MappedVirtualDisk") // MrtCombinedLayers is the modify resource type for combined layers MrtCombinedLayers = ModifyResourceType("CombinedLayers") // MrtVPMemDevice is the modify resource type for VPMem devices MrtVPMemDevice = ModifyResourceType("VPMemDevice") // MrtNetwork is the modify resource type for the `NetworkAdapterV2` device. MrtNetwork = ModifyResourceType("Network") // MrtVPCIDevice is the modify resource type for vpci devices MrtVPCIDevice = ModifyResourceType("VPCIDevice") // MrtContainerConstraints is the modify resource type for updating container constraints MrtContainerConstraints = ModifyResourceType("ContainerConstraints") // MrtSecurityPolicy is the modify resource type for updating the security policy MrtSecurityPolicy = ModifyResourceType("SecurityPolicy") )
const ( // MreqtAdd is the "Add" modify request type MreqtAdd = ModifyRequestType("Add") // MreqtRemove is the "Remove" modify request type MreqtRemove = ModifyRequestType("Remove") // MreqtUpdate is the "Update" modify request type MreqtUpdate = ModifyRequestType("Update") )
const InfiniteWaitTimeout = 0xffffffff
InfiniteWaitTimeout is the value for ContainerWaitForProcess.TimeoutInMs that indicates that no timeout should be in effect.
const MessageHeaderSize = 16
MessageHeaderSize is the size in bytes of the MessageHeader struct.
Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type ActiveOperation ¶
type ActiveOperation string
ActiveOperation defines an operation to be associated with a notification sent back to the HCS.
type CombinedLayersV2 ¶
type CombinedLayersV2 struct { Layers []Layer `json:",omitempty"` ScratchPath string `json:",omitempty"` ContainerRootPath string ContainerId string `json:",omitempty"` }
CombinedLayersV2 is a modify type that corresponds to MrtCombinedLayers request.
type ContainerConstraintsV2 ¶
type ContainerConstraintsV2 struct { Windows oci.WindowsResources `json:",omitempty"` Linux oci.LinuxResources `json:",omitempty"` }
type ContainerCreate ¶
type ContainerCreate struct { MessageBase ContainerConfig string SupportedVersions ProtocolSupport `json:",omitempty"` }
ContainerCreate is the message from the HCS specifying to create a container in the utility VM. This message won't actually create a Linux container inside the utility VM, but will set up the infrustructure needed to start one once the container's initial process is executed.
type ContainerCreateResponse ¶
type ContainerCreateResponse struct { MessageResponseBase SelectedVersion string `json:",omitempty"` SelectedProtocolVersion uint32 }
ContainerCreateResponse is the message to the HCS responding to a ContainerCreate message. It serves a protocol negotiation function as well for protocol versions 3 and lower, returning protocol version information to the HCS.
type ContainerExecuteProcess ¶
type ContainerExecuteProcess struct { MessageBase Settings ExecuteProcessSettings }
ContainerExecuteProcess is the message from the HCS specifying to execute a process either inside or outside the container namespace.
type ContainerExecuteProcessResponse ¶
type ContainerExecuteProcessResponse struct { MessageResponseBase ProcessID uint32 `json:"ProcessId"` }
ContainerExecuteProcessResponse is the message to the HCS responding to a ContainerExecuteProcess message. It provides back the process's pid.
type ContainerGetProperties ¶
type ContainerGetProperties struct { MessageBase Query string }
ContainerGetProperties is the message from the HCS requesting certain properties of the container, such as a list of its processes.
type ContainerGetPropertiesResponse ¶
type ContainerGetPropertiesResponse struct { MessageResponseBase Properties string }
ContainerGetPropertiesResponse is the message to the HCS responding to a ContainerGetProperties message. It contains a string representing the properties requested.
type ContainerModifySettings ¶
type ContainerModifySettings struct { MessageBase Request interface{} }
ContainerModifySettings is the message from the HCS specifying how a certain container resource should be modified.
func UnmarshalContainerModifySettings ¶
func UnmarshalContainerModifySettings(b []byte) (*ContainerModifySettings, error)
UnmarshalContainerModifySettings unmarshals the given bytes into a ContainerModifySettings message. This function is required because properties such as `Settings` can be of many types identified by the `ResourceType` and require dynamic unmarshalling.
type ContainerNotification ¶
type ContainerNotification struct { MessageBase Type NotificationType Operation ActiveOperation Result int32 ResultInfo string `json:",omitempty"` }
ContainerNotification is a message sent from the GCS to the HCS to indicate some kind of event. At the moment, it is only used for container exit notifications.
type ContainerResizeConsole ¶
type ContainerResizeConsole struct { MessageBase ProcessID uint32 `json:"ProcessId"` Height uint16 Width uint16 }
ContainerResizeConsole is the message from the HCS specifying to change the console size for the given process.
type ContainerSignalProcess ¶
type ContainerSignalProcess struct { MessageBase ProcessID uint32 `json:"ProcessId"` Options SignalProcessOptions `json:",omitempty"` }
ContainerSignalProcess is the message from the HCS specifying to send a signal to the given process.
type ContainerWaitForProcess ¶
type ContainerWaitForProcess struct { MessageBase ProcessID uint32 `json:"ProcessId"` TimeoutInMs uint32 }
ContainerWaitForProcess is the message from the HCS specifying to wait until the given process exits. After receiving this message, the corresponding response should not be sent until the process has exited.
type ContainerWaitForProcessResponse ¶
type ContainerWaitForProcessResponse struct { MessageResponseBase ExitCode uint32 }
ContainerWaitForProcessResponse is the message to the HCS responding to a ContainerWaitForProcess message. It is only sent when the process has exited.
type DeviceMappingInfo ¶
type DeviceMappingInfo struct { DeviceOffsetInBytes int64 `json:",omitempty"` DeviceSizeInBytes int64 `json:",omitempty"` }
DeviceMappingInfo represents a mapped device on a given VPMem
type DeviceVerityInfo ¶
type DeviceVerityInfo struct { Ext4SizeInBytes int64 Version int Algorithm string SuperBlock bool RootDigest string Salt string BlockSize int }
DeviceVerityInfo represents dm-verity information of a given data device. The assumption is that the hash device is the same as data device with verity data appended in the end.
type DumpStacksResponse ¶
type DumpStacksResponse struct { MessageResponseBase GuestStacks string }
type ErrorRecord ¶
type ErrorRecord struct { Result int32 Message string StackTrace string `json:",omitempty"` ModuleName string FileName string Line uint32 FunctionName string `json:",omitempty"` }
ErrorRecord represents a single error to be reported back to the HCS. It allows for specifying information about the source of the error, as well as an error message and stack trace.
type ExecuteProcessSettings ¶
type ExecuteProcessSettings struct { ProcessParameters string VsockStdioRelaySettings ExecuteProcessVsockStdioRelaySettings }
ExecuteProcessSettings defines the settings for a single process to be executed either inside or outside the container namespace.
type ExecuteProcessVsockStdioRelaySettings ¶
type ExecuteProcessVsockStdioRelaySettings struct { StdIn uint32 `json:",omitempty"` StdOut uint32 `json:",omitempty"` StdErr uint32 `json:",omitempty"` }
ExecuteProcessVsockStdioRelaySettings defines the port numbers for each stdio socket for a process.
type GcsCapabilities ¶
type GcsCapabilities struct { // True if a create message should be sent for the hosting system itself. SendHostCreateMessage bool `json:",omitempty"` // True if a start message should be sent for the hosting system itself. If // SendHostCreateMessage is false, a start message will not be sent either. SendHostStartMessage bool `json:",omitempty"` // True if an HVSocket ModifySettings request should be sent immediately // after the create/start messages are sent (if they're sent at all). This // ModifySettings request would be to configure the local and parent // Hyper-V socket addresses of the VM, and would have a RequestType of // Update. HVSocketConfigOnStartup bool `json:"HvSocketConfigOnStartup,omitempty"` SupportedSchemaVersions []SchemaVersion `json:",omitempty"` RuntimeOsType OsType `json:",omitempty"` // GuestDefinedCapabilities define any JSON object that will be directly // passed to a client of the HCS. This can be useful to pass runtime // specific capabilities not tied to the platform itself. GuestDefinedCapabilities GcsGuestCapabilities `json:",omitempty"` }
GcsCapabilities specifies the abilities and scenarios supported by this GCS.
type GcsGuestCapabilities ¶
type GcsGuestCapabilities struct { NamespaceAddRequestSupported bool `json:",omitempty"` SignalProcessSupported bool `json:",omitempty"` DumpStacksSupported bool `json:",omitempty"` DeleteContainerStateSupported bool `json:",omitempty"` }
GcsGuestCapabilities represents the customized guest capabilities supported by this GCS.
type Layer ¶
type Layer struct { // Path is in this case the identifier (such as the SCSI number) of the // layer device. Path string }
Layer represents a filesystem layer for a container.
type MappedDirectory ¶
type MappedDirectory struct { ContainerPath string CreateInUtilityVM bool `json:",omitempty"` ReadOnly bool `json:",omitempty"` Port uint32 `json:",omitempty"` }
MappedDirectory represents a directory on the host which is mapped to a directory on the guest through a technology such as Plan9.
type MappedDirectoryV2 ¶
type MappedDirectoryV2 struct { MountPath string `json:",omitempty"` Port uint32 `json:",omitempty"` ReadOnly bool `json:",omitempty"` }
MappedDirectoryV2 represents a directory on the host which is mapped to a directory on the guest through Plan9 in the V2 schema.
type MappedVPCIDeviceV2 ¶
type MappedVPCIDeviceV2 struct {
VMBusGUID string `json:",omitempty"`
}
type MappedVPMemDeviceV2 ¶
type MappedVPMemDeviceV2 struct { DeviceNumber uint32 `json:",omitempty"` MountPath string `json:",omitempty"` // MappingInfo is used when multiple devices are mapped onto a single VPMem device MappingInfo *DeviceMappingInfo `json:",omitempty"` VerityInfo *DeviceVerityInfo `json:",omitempty"` }
MappedVPMemDeviceV2 represents a VPMem device that is mapped into a guest path in the V2 schema.
type MappedVirtualDisk ¶
type MappedVirtualDisk struct { ContainerPath string Lun uint8 `json:",omitempty"` CreateInUtilityVM bool `json:",omitempty"` ReadOnly bool `json:",omitempty"` AttachOnly bool `json:",omitempty"` }
MappedVirtualDisk represents a disk on the host which is mapped into a directory in the guest.
type MappedVirtualDiskV2 ¶
type MappedVirtualDiskV2 struct { MountPath string `json:",omitempty"` Lun uint8 `json:",omitempty"` Controller uint8 `json:",omitempty"` ReadOnly bool `json:",omitempty"` Encrypted bool `json:",omitempty"` Options []string `json:",omitempty"` VerityInfo *DeviceVerityInfo `json:",omitempty"` }
MappedVirtualDiskV2 represents a disk on the host which is mapped into a directory in the guest in the V2 schema.
type MessageBase ¶
type MessageBase struct { ContainerID string `json:"ContainerId"` ActivityID string `json:"ActivityId"` // OpenCensusSpanContext is the encoded OpenCensus `trace.SpanContext` if // set when making the request. // // NOTE: This is not a part of the protocol but because its a JSON protocol // adding fields is a non-breaking change. If the guest supports it this is // just additive context. OpenCensusSpanContext *ocspancontext `json:"ocsc,omitempty"` }
MessageBase is the base type embedded in all messages sent from the HCS to the GCS, as well as ContainerNotification which is sent from GCS to HCS.
type MessageCategory ¶
type MessageCategory uint32
MessageCategory allows splitting the identifier namespace to easily route similar messages for common processing.
type MessageHeader ¶
type MessageHeader struct { Type MessageIdentifier Size uint32 ID SequenceID }
MessageHeader is the common header present in all communications messages.
type MessageIdentifier ¶
type MessageIdentifier uint32
MessageIdentifier describes the Type field of a MessageHeader struct.
func GetResponseIdentifier ¶
func GetResponseIdentifier(identifier MessageIdentifier) MessageIdentifier
GetResponseIdentifier returns the response version of the given request identifier. So, for example, an input of ComputeSystemCreateV1 would result in an output of ComputeSystemResponseCreateV1.
func (MessageIdentifier) String ¶
func (mi MessageIdentifier) String() string
String returns the string representation of the message identifer.
type MessageResponseBase ¶
type MessageResponseBase struct { Result int32 ActivityID string `json:"ActivityId,omitempty"` ErrorMessage string `json:",omitempty"` // Only used by hcsshim external bridge ErrorRecords []ErrorRecord `json:",omitempty"` }
MessageResponseBase is the base type embedded in all messages sent from the GCS to the HCS except for ContainerNotification.
func (*MessageResponseBase) Base ¶
func (mrp *MessageResponseBase) Base() *MessageResponseBase
Base returns the response base by reference.
type ModifyRequestType ¶
type ModifyRequestType string
ModifyRequestType is the type of operation to perform on a given modify resource type. This is the V2 schema equivalent of RequestType.
type ModifyResourceType ¶
type ModifyResourceType string
ModifyResourceType is the type of resource, such as memory or virtual disk, which is to be modified for the container. This is the V2 schema equivalent of PropertyType.
type ModifySettingRequest ¶
type ModifySettingRequest struct { ResourceType ModifyResourceType `json:",omitempty"` RequestType ModifyRequestType `json:",omitempty"` Settings interface{} `json:",omitempty"` }
ModifySettingRequest details a container resource which should be modified, how, and with what parameters. This is the V2 schema equivalent of ResourceModificationRequestResponse.
type NegotiateProtocol ¶
type NegotiateProtocol struct { MessageBase MinimumVersion uint32 MaximumVersion uint32 }
NegotiateProtocol is the message from the HCS used to determine the protocol version that will be used for future communication.
type NegotiateProtocolResponse ¶
type NegotiateProtocolResponse struct { MessageResponseBase Version uint32 Capabilities GcsCapabilities }
NegotiateProtocolResponse is the message to the HCS responding to a NegotiateProtocol message. It specifies the prefered protocol version and available capabilities of the GCS.
type NetworkAdapter ¶
type NetworkAdapter struct { AdapterInstanceID string `json:"AdapterInstanceId"` FirewallEnabled bool NatEnabled bool MacAddress string `json:",omitempty"` AllocatedIPAddress string `json:"AllocatedIpAddress,omitempty"` HostIPAddress string `json:"HostIpAddress,omitempty"` HostIPPrefixLength uint8 `json:"HostIpPrefixLength,omitempty"` HostDNSServerList string `json:"HostDnsServerList,omitempty"` HostDNSSuffix string `json:"HostDnsSuffix,omitempty"` EnableLowMetric bool `json:",omitempty"` EncapOverhead uint16 `json:",omitempty"` }
NetworkAdapter represents a network interface and its associated configuration.
type NetworkAdapterV2 ¶
type NetworkAdapterV2 struct { NamespaceID string `json:",omitempty"` ID string `json:",omitempty"` MacAddress string `json:",omitempty"` IPAddress string `json:",omitempty"` PrefixLength uint8 `json:",omitempty"` GatewayAddress string `json:",omitempty"` DNSSuffix string `json:",omitempty"` DNSServerList string `json:",omitempty"` EnableLowMetric bool `json:",omitempty"` EncapOverhead uint16 `json:",omitempty"` }
NetworkAdapterV2 represents a network interface and its associated configuration in a namespace.
type NotificationType ¶
type NotificationType string
NotificationType defines a type of notification to be sent back to the HCS.
type OsType ¶
type OsType string
OsType defines the operating system type identifer of the guest hosting the GCS.
const OsTypeLinux OsType = "Linux"
OsTypeLinux is the OS type the HCS expects for a Linux GCS
type ProcessDetails ¶
type ProcessDetails struct {
ProcessID uint32 `json:"ProcessId"`
}
ProcessDetails represents information about a given process.
type ProcessParameters ¶
type ProcessParameters struct { // CommandLine is a space separated list of command line parameters. For // example, the command which sleeps for 100 seconds would be represented by // the CommandLine string "sleep 100". CommandLine string `json:",omitempty"` // CommandArgs is a list of strings representing the command to execute. If // it is not empty, it will be used by the GCS. If it is empty, CommandLine // will be used instead. CommandArgs []string `json:",omitempty"` WorkingDirectory string `json:",omitempty"` Environment map[string]string `json:",omitempty"` EmulateConsole bool `json:",omitempty"` CreateStdInPipe bool `json:",omitempty"` CreateStdOutPipe bool `json:",omitempty"` CreateStdErrPipe bool `json:",omitempty"` // If IsExternal is false, the process will be created inside a container. // If true, it will be created external to any container. The latter is // useful if, for example, you want to start up a shell in the utility VM // for debugging/diagnostic purposes. IsExternal bool `json:"CreateInUtilityVM,omitempty"` // If this is the first process created for this container, this field must // be specified. Otherwise, it must be left blank and the other fields must // be specified. OCISpecification *oci.Spec `json:"OciSpecification,omitempty"` OCIProcess *oci.Process `json:"OciProcess,omitempty"` }
ProcessParameters represents any process which may be started in the utility VM. This covers three cases: 1.) It is an external process, i.e. a process running inside the utility VM but not inside any container. In this case, don't specify the OCISpecification field, but specify all other fields. 2.) It is the first process in a container. In this case, specify only the OCISpecification field, and not the other fields. 3.) It is a container process, but not the first process in that container. In this case, don't specify the OCISpecification field, but specify all other fields. This is the same as if it were an external process.
type Properties ¶
type Properties struct {
ProcessList []ProcessDetails `json:",omitempty"`
}
Properties represents the properties of a compute system.
type PropertiesV2 ¶
type PropertiesV2 struct { ProcessList []ProcessDetails `json:"ProcessList,omitempty"` Metrics *v1.Metrics `json:"LCOWMetrics,omitempty"` }
type PropertyQuery ¶
type PropertyQuery struct {
PropertyTypes []PropertyType `json:",omitempty"`
}
PropertyQuery is a query to specify which properties are requested.
type PropertyType ¶
type PropertyType string
PropertyType is the type of property, such as memory or virtual disk, which is to be modified for the container.
type ProtocolSupport ¶
type ProtocolSupport struct { MinimumVersion string `json:",omitempty"` MaximumVersion string `json:",omitempty"` MinimumProtocolVersion uint32 MaximumProtocolVersion uint32 }
ProtocolSupport specifies the protocol versions to be used for HCS-GCS communication.
type ProtocolVersion ¶
type ProtocolVersion uint32
ProtocolVersion is a type for the seclected HCS<->GCS protocol version of messages
const ( PvInvalid ProtocolVersion = 0 PvV4 ProtocolVersion = 4 PvMax ProtocolVersion = PvV4 )
Protocol versions.
type RequestType ¶
type RequestType string
RequestType is the type of operation to perform on a given property type.
type ResourceModificationRequestResponse ¶
type ResourceModificationRequestResponse struct { ResourceType PropertyType RequestType RequestType `json:",omitempty"` Settings interface{} `json:",omitempty"` }
ResourceModificationRequestResponse details a container resource which should be modified, how, and with what parameters.
type SchemaVersion ¶
SchemaVersion defines the version of the schema that should be deserialized.
func (*SchemaVersion) Cmp ¶
func (s *SchemaVersion) Cmp(v SchemaVersion) int
Cmp compares s and v and returns:
-1 if s < v
0 if s == v 1 if s > v
type SignalProcessOptions ¶
type SignalProcessOptions struct {
Signal int32
}
SignalProcessOptions represents the options for signaling a process.
type VMHostedContainerSettings ¶
type VMHostedContainerSettings struct { Layers []Layer // SandboxDataPath is in this case the identifier (such as the SCSI number) // of the sandbox device. SandboxDataPath string MappedVirtualDisks []MappedVirtualDisk MappedDirectories []MappedDirectory NetworkAdapters []NetworkAdapter `json:",omitempty"` }
VMHostedContainerSettings is the set of settings used to specify the initial configuration of a container.
type VMHostedContainerSettingsV2 ¶
type VMHostedContainerSettingsV2 struct { SchemaVersion SchemaVersion OCIBundlePath string `json:"OciBundlePath,omitempty"` OCISpecification *oci.Spec `json:"OciSpecification,omitempty"` }
VMHostedContainerSettingsV2 defines the portion of the ContainerCreate.ContainerConfig that is sent via a V2 call. This correlates to the 'HostedSystem' on the HCS side but rather than sending the 'Container' field the Linux GCS accepts an oci.Spec directly.