mirror of https://github.com/docker/cli.git
643 lines
27 KiB
Go
643 lines
27 KiB
Go
package specs
|
|
|
|
import "os"
|
|
|
|
// Spec is the base configuration for the container.
|
|
type Spec struct {
|
|
// Version of the Open Container Initiative Runtime Specification with which the bundle complies.
|
|
Version string `json:"ociVersion"`
|
|
// Process configures the container process.
|
|
Process *Process `json:"process,omitempty"`
|
|
// Root configures the container's root filesystem.
|
|
Root *Root `json:"root,omitempty"`
|
|
// Hostname configures the container's hostname.
|
|
Hostname string `json:"hostname,omitempty"`
|
|
// Mounts configures additional mounts (on top of Root).
|
|
Mounts []Mount `json:"mounts,omitempty"`
|
|
// Hooks configures callbacks for container lifecycle events.
|
|
Hooks *Hooks `json:"hooks,omitempty" platform:"linux,solaris"`
|
|
// Annotations contains arbitrary metadata for the container.
|
|
Annotations map[string]string `json:"annotations,omitempty"`
|
|
|
|
// Linux is platform-specific configuration for Linux based containers.
|
|
Linux *Linux `json:"linux,omitempty" platform:"linux"`
|
|
// Solaris is platform-specific configuration for Solaris based containers.
|
|
Solaris *Solaris `json:"solaris,omitempty" platform:"solaris"`
|
|
// Windows is platform-specific configuration for Windows based containers.
|
|
Windows *Windows `json:"windows,omitempty" platform:"windows"`
|
|
// VM specifies configuration for virtual-machine-based containers.
|
|
VM *VM `json:"vm,omitempty" platform:"vm"`
|
|
}
|
|
|
|
// Process contains information to start a specific application inside the container.
|
|
type Process struct {
|
|
// Terminal creates an interactive terminal for the container.
|
|
Terminal bool `json:"terminal,omitempty"`
|
|
// ConsoleSize specifies the size of the console.
|
|
ConsoleSize *Box `json:"consoleSize,omitempty"`
|
|
// User specifies user information for the process.
|
|
User User `json:"user"`
|
|
// Args specifies the binary and arguments for the application to execute.
|
|
Args []string `json:"args,omitempty"`
|
|
// CommandLine specifies the full command line for the application to execute on Windows.
|
|
CommandLine string `json:"commandLine,omitempty" platform:"windows"`
|
|
// Env populates the process environment for the process.
|
|
Env []string `json:"env,omitempty"`
|
|
// Cwd is the current working directory for the process and must be
|
|
// relative to the container's root.
|
|
Cwd string `json:"cwd"`
|
|
// Capabilities are Linux capabilities that are kept for the process.
|
|
Capabilities *LinuxCapabilities `json:"capabilities,omitempty" platform:"linux"`
|
|
// Rlimits specifies rlimit options to apply to the process.
|
|
Rlimits []POSIXRlimit `json:"rlimits,omitempty" platform:"linux,solaris"`
|
|
// NoNewPrivileges controls whether additional privileges could be gained by processes in the container.
|
|
NoNewPrivileges bool `json:"noNewPrivileges,omitempty" platform:"linux"`
|
|
// ApparmorProfile specifies the apparmor profile for the container.
|
|
ApparmorProfile string `json:"apparmorProfile,omitempty" platform:"linux"`
|
|
// Specify an oom_score_adj for the container.
|
|
OOMScoreAdj *int `json:"oomScoreAdj,omitempty" platform:"linux"`
|
|
// SelinuxLabel specifies the selinux context that the container process is run as.
|
|
SelinuxLabel string `json:"selinuxLabel,omitempty" platform:"linux"`
|
|
}
|
|
|
|
// LinuxCapabilities specifies the whitelist of capabilities that are kept for a process.
|
|
// http://man7.org/linux/man-pages/man7/capabilities.7.html
|
|
type LinuxCapabilities struct {
|
|
// Bounding is the set of capabilities checked by the kernel.
|
|
Bounding []string `json:"bounding,omitempty" platform:"linux"`
|
|
// Effective is the set of capabilities checked by the kernel.
|
|
Effective []string `json:"effective,omitempty" platform:"linux"`
|
|
// Inheritable is the capabilities preserved across execve.
|
|
Inheritable []string `json:"inheritable,omitempty" platform:"linux"`
|
|
// Permitted is the limiting superset for effective capabilities.
|
|
Permitted []string `json:"permitted,omitempty" platform:"linux"`
|
|
// Ambient is the ambient set of capabilities that are kept.
|
|
Ambient []string `json:"ambient,omitempty" platform:"linux"`
|
|
}
|
|
|
|
// Box specifies dimensions of a rectangle. Used for specifying the size of a console.
|
|
type Box struct {
|
|
// Height is the vertical dimension of a box.
|
|
Height uint `json:"height"`
|
|
// Width is the horizontal dimension of a box.
|
|
Width uint `json:"width"`
|
|
}
|
|
|
|
// User specifies specific user (and group) information for the container process.
|
|
type User struct {
|
|
// UID is the user id.
|
|
UID uint32 `json:"uid" platform:"linux,solaris"`
|
|
// GID is the group id.
|
|
GID uint32 `json:"gid" platform:"linux,solaris"`
|
|
// AdditionalGids are additional group ids set for the container's process.
|
|
AdditionalGids []uint32 `json:"additionalGids,omitempty" platform:"linux,solaris"`
|
|
// Username is the user name.
|
|
Username string `json:"username,omitempty" platform:"windows"`
|
|
}
|
|
|
|
// Root contains information about the container's root filesystem on the host.
|
|
type Root struct {
|
|
// Path is the absolute path to the container's root filesystem.
|
|
Path string `json:"path"`
|
|
// Readonly makes the root filesystem for the container readonly before the process is executed.
|
|
Readonly bool `json:"readonly,omitempty"`
|
|
}
|
|
|
|
// Mount specifies a mount for a container.
|
|
type Mount struct {
|
|
// Destination is the absolute path where the mount will be placed in the container.
|
|
Destination string `json:"destination"`
|
|
// Type specifies the mount kind.
|
|
Type string `json:"type,omitempty" platform:"linux,solaris"`
|
|
// Source specifies the source path of the mount.
|
|
Source string `json:"source,omitempty"`
|
|
// Options are fstab style mount options.
|
|
Options []string `json:"options,omitempty"`
|
|
}
|
|
|
|
// Hook specifies a command that is run at a particular event in the lifecycle of a container
|
|
type Hook struct {
|
|
Path string `json:"path"`
|
|
Args []string `json:"args,omitempty"`
|
|
Env []string `json:"env,omitempty"`
|
|
Timeout *int `json:"timeout,omitempty"`
|
|
}
|
|
|
|
// Hooks for container setup and teardown
|
|
type Hooks struct {
|
|
// Prestart is a list of hooks to be run before the container process is executed.
|
|
Prestart []Hook `json:"prestart,omitempty"`
|
|
// Poststart is a list of hooks to be run after the container process is started.
|
|
Poststart []Hook `json:"poststart,omitempty"`
|
|
// Poststop is a list of hooks to be run after the container process exits.
|
|
Poststop []Hook `json:"poststop,omitempty"`
|
|
}
|
|
|
|
// Linux contains platform-specific configuration for Linux based containers.
|
|
type Linux struct {
|
|
// UIDMapping specifies user mappings for supporting user namespaces.
|
|
UIDMappings []LinuxIDMapping `json:"uidMappings,omitempty"`
|
|
// GIDMapping specifies group mappings for supporting user namespaces.
|
|
GIDMappings []LinuxIDMapping `json:"gidMappings,omitempty"`
|
|
// Sysctl are a set of key value pairs that are set for the container on start
|
|
Sysctl map[string]string `json:"sysctl,omitempty"`
|
|
// Resources contain cgroup information for handling resource constraints
|
|
// for the container
|
|
Resources *LinuxResources `json:"resources,omitempty"`
|
|
// CgroupsPath specifies the path to cgroups that are created and/or joined by the container.
|
|
// The path is expected to be relative to the cgroups mountpoint.
|
|
// If resources are specified, the cgroups at CgroupsPath will be updated based on resources.
|
|
CgroupsPath string `json:"cgroupsPath,omitempty"`
|
|
// Namespaces contains the namespaces that are created and/or joined by the container
|
|
Namespaces []LinuxNamespace `json:"namespaces,omitempty"`
|
|
// Devices are a list of device nodes that are created for the container
|
|
Devices []LinuxDevice `json:"devices,omitempty"`
|
|
// Seccomp specifies the seccomp security settings for the container.
|
|
Seccomp *LinuxSeccomp `json:"seccomp,omitempty"`
|
|
// RootfsPropagation is the rootfs mount propagation mode for the container.
|
|
RootfsPropagation string `json:"rootfsPropagation,omitempty"`
|
|
// MaskedPaths masks over the provided paths inside the container.
|
|
MaskedPaths []string `json:"maskedPaths,omitempty"`
|
|
// ReadonlyPaths sets the provided paths as RO inside the container.
|
|
ReadonlyPaths []string `json:"readonlyPaths,omitempty"`
|
|
// MountLabel specifies the selinux context for the mounts in the container.
|
|
MountLabel string `json:"mountLabel,omitempty"`
|
|
// IntelRdt contains Intel Resource Director Technology (RDT) information for
|
|
// handling resource constraints (e.g., L3 cache, memory bandwidth) for the container
|
|
IntelRdt *LinuxIntelRdt `json:"intelRdt,omitempty"`
|
|
}
|
|
|
|
// LinuxNamespace is the configuration for a Linux namespace
|
|
type LinuxNamespace struct {
|
|
// Type is the type of namespace
|
|
Type LinuxNamespaceType `json:"type"`
|
|
// Path is a path to an existing namespace persisted on disk that can be joined
|
|
// and is of the same type
|
|
Path string `json:"path,omitempty"`
|
|
}
|
|
|
|
// LinuxNamespaceType is one of the Linux namespaces
|
|
type LinuxNamespaceType string
|
|
|
|
const (
|
|
// PIDNamespace for isolating process IDs
|
|
PIDNamespace LinuxNamespaceType = "pid"
|
|
// NetworkNamespace for isolating network devices, stacks, ports, etc
|
|
NetworkNamespace = "network"
|
|
// MountNamespace for isolating mount points
|
|
MountNamespace = "mount"
|
|
// IPCNamespace for isolating System V IPC, POSIX message queues
|
|
IPCNamespace = "ipc"
|
|
// UTSNamespace for isolating hostname and NIS domain name
|
|
UTSNamespace = "uts"
|
|
// UserNamespace for isolating user and group IDs
|
|
UserNamespace = "user"
|
|
// CgroupNamespace for isolating cgroup hierarchies
|
|
CgroupNamespace = "cgroup"
|
|
)
|
|
|
|
// LinuxIDMapping specifies UID/GID mappings
|
|
type LinuxIDMapping struct {
|
|
// ContainerID is the starting UID/GID in the container
|
|
ContainerID uint32 `json:"containerID"`
|
|
// HostID is the starting UID/GID on the host to be mapped to 'ContainerID'
|
|
HostID uint32 `json:"hostID"`
|
|
// Size is the number of IDs to be mapped
|
|
Size uint32 `json:"size"`
|
|
}
|
|
|
|
// POSIXRlimit type and restrictions
|
|
type POSIXRlimit struct {
|
|
// Type of the rlimit to set
|
|
Type string `json:"type"`
|
|
// Hard is the hard limit for the specified type
|
|
Hard uint64 `json:"hard"`
|
|
// Soft is the soft limit for the specified type
|
|
Soft uint64 `json:"soft"`
|
|
}
|
|
|
|
// LinuxHugepageLimit structure corresponds to limiting kernel hugepages
|
|
type LinuxHugepageLimit struct {
|
|
// Pagesize is the hugepage size
|
|
Pagesize string `json:"pageSize"`
|
|
// Limit is the limit of "hugepagesize" hugetlb usage
|
|
Limit uint64 `json:"limit"`
|
|
}
|
|
|
|
// LinuxInterfacePriority for network interfaces
|
|
type LinuxInterfacePriority struct {
|
|
// Name is the name of the network interface
|
|
Name string `json:"name"`
|
|
// Priority for the interface
|
|
Priority uint32 `json:"priority"`
|
|
}
|
|
|
|
// linuxBlockIODevice holds major:minor format supported in blkio cgroup
|
|
type linuxBlockIODevice struct {
|
|
// Major is the device's major number.
|
|
Major int64 `json:"major"`
|
|
// Minor is the device's minor number.
|
|
Minor int64 `json:"minor"`
|
|
}
|
|
|
|
// LinuxWeightDevice struct holds a `major:minor weight` pair for weightDevice
|
|
type LinuxWeightDevice struct {
|
|
linuxBlockIODevice
|
|
// Weight is the bandwidth rate for the device.
|
|
Weight *uint16 `json:"weight,omitempty"`
|
|
// LeafWeight is the bandwidth rate for the device while competing with the cgroup's child cgroups, CFQ scheduler only
|
|
LeafWeight *uint16 `json:"leafWeight,omitempty"`
|
|
}
|
|
|
|
// LinuxThrottleDevice struct holds a `major:minor rate_per_second` pair
|
|
type LinuxThrottleDevice struct {
|
|
linuxBlockIODevice
|
|
// Rate is the IO rate limit per cgroup per device
|
|
Rate uint64 `json:"rate"`
|
|
}
|
|
|
|
// LinuxBlockIO for Linux cgroup 'blkio' resource management
|
|
type LinuxBlockIO struct {
|
|
// Specifies per cgroup weight
|
|
Weight *uint16 `json:"weight,omitempty"`
|
|
// Specifies tasks' weight in the given cgroup while competing with the cgroup's child cgroups, CFQ scheduler only
|
|
LeafWeight *uint16 `json:"leafWeight,omitempty"`
|
|
// Weight per cgroup per device, can override BlkioWeight
|
|
WeightDevice []LinuxWeightDevice `json:"weightDevice,omitempty"`
|
|
// IO read rate limit per cgroup per device, bytes per second
|
|
ThrottleReadBpsDevice []LinuxThrottleDevice `json:"throttleReadBpsDevice,omitempty"`
|
|
// IO write rate limit per cgroup per device, bytes per second
|
|
ThrottleWriteBpsDevice []LinuxThrottleDevice `json:"throttleWriteBpsDevice,omitempty"`
|
|
// IO read rate limit per cgroup per device, IO per second
|
|
ThrottleReadIOPSDevice []LinuxThrottleDevice `json:"throttleReadIOPSDevice,omitempty"`
|
|
// IO write rate limit per cgroup per device, IO per second
|
|
ThrottleWriteIOPSDevice []LinuxThrottleDevice `json:"throttleWriteIOPSDevice,omitempty"`
|
|
}
|
|
|
|
// LinuxMemory for Linux cgroup 'memory' resource management
|
|
type LinuxMemory struct {
|
|
// Memory limit (in bytes).
|
|
Limit *int64 `json:"limit,omitempty"`
|
|
// Memory reservation or soft_limit (in bytes).
|
|
Reservation *int64 `json:"reservation,omitempty"`
|
|
// Total memory limit (memory + swap).
|
|
Swap *int64 `json:"swap,omitempty"`
|
|
// Kernel memory limit (in bytes).
|
|
Kernel *int64 `json:"kernel,omitempty"`
|
|
// Kernel memory limit for tcp (in bytes)
|
|
KernelTCP *int64 `json:"kernelTCP,omitempty"`
|
|
// How aggressive the kernel will swap memory pages.
|
|
Swappiness *uint64 `json:"swappiness,omitempty"`
|
|
// DisableOOMKiller disables the OOM killer for out of memory conditions
|
|
DisableOOMKiller *bool `json:"disableOOMKiller,omitempty"`
|
|
}
|
|
|
|
// LinuxCPU for Linux cgroup 'cpu' resource management
|
|
type LinuxCPU struct {
|
|
// CPU shares (relative weight (ratio) vs. other cgroups with cpu shares).
|
|
Shares *uint64 `json:"shares,omitempty"`
|
|
// CPU hardcap limit (in usecs). Allowed cpu time in a given period.
|
|
Quota *int64 `json:"quota,omitempty"`
|
|
// CPU period to be used for hardcapping (in usecs).
|
|
Period *uint64 `json:"period,omitempty"`
|
|
// How much time realtime scheduling may use (in usecs).
|
|
RealtimeRuntime *int64 `json:"realtimeRuntime,omitempty"`
|
|
// CPU period to be used for realtime scheduling (in usecs).
|
|
RealtimePeriod *uint64 `json:"realtimePeriod,omitempty"`
|
|
// CPUs to use within the cpuset. Default is to use any CPU available.
|
|
Cpus string `json:"cpus,omitempty"`
|
|
// List of memory nodes in the cpuset. Default is to use any available memory node.
|
|
Mems string `json:"mems,omitempty"`
|
|
}
|
|
|
|
// LinuxPids for Linux cgroup 'pids' resource management (Linux 4.3)
|
|
type LinuxPids struct {
|
|
// Maximum number of PIDs. Default is "no limit".
|
|
Limit int64 `json:"limit"`
|
|
}
|
|
|
|
// LinuxNetwork identification and priority configuration
|
|
type LinuxNetwork struct {
|
|
// Set class identifier for container's network packets
|
|
ClassID *uint32 `json:"classID,omitempty"`
|
|
// Set priority of network traffic for container
|
|
Priorities []LinuxInterfacePriority `json:"priorities,omitempty"`
|
|
}
|
|
|
|
// LinuxRdma for Linux cgroup 'rdma' resource management (Linux 4.11)
|
|
type LinuxRdma struct {
|
|
// Maximum number of HCA handles that can be opened. Default is "no limit".
|
|
HcaHandles *uint32 `json:"hcaHandles,omitempty"`
|
|
// Maximum number of HCA objects that can be created. Default is "no limit".
|
|
HcaObjects *uint32 `json:"hcaObjects,omitempty"`
|
|
}
|
|
|
|
// LinuxResources has container runtime resource constraints
|
|
type LinuxResources struct {
|
|
// Devices configures the device whitelist.
|
|
Devices []LinuxDeviceCgroup `json:"devices,omitempty"`
|
|
// Memory restriction configuration
|
|
Memory *LinuxMemory `json:"memory,omitempty"`
|
|
// CPU resource restriction configuration
|
|
CPU *LinuxCPU `json:"cpu,omitempty"`
|
|
// Task resource restriction configuration.
|
|
Pids *LinuxPids `json:"pids,omitempty"`
|
|
// BlockIO restriction configuration
|
|
BlockIO *LinuxBlockIO `json:"blockIO,omitempty"`
|
|
// Hugetlb limit (in bytes)
|
|
HugepageLimits []LinuxHugepageLimit `json:"hugepageLimits,omitempty"`
|
|
// Network restriction configuration
|
|
Network *LinuxNetwork `json:"network,omitempty"`
|
|
// Rdma resource restriction configuration.
|
|
// Limits are a set of key value pairs that define RDMA resource limits,
|
|
// where the key is device name and value is resource limits.
|
|
Rdma map[string]LinuxRdma `json:"rdma,omitempty"`
|
|
}
|
|
|
|
// LinuxDevice represents the mknod information for a Linux special device file
|
|
type LinuxDevice struct {
|
|
// Path to the device.
|
|
Path string `json:"path"`
|
|
// Device type, block, char, etc.
|
|
Type string `json:"type"`
|
|
// Major is the device's major number.
|
|
Major int64 `json:"major"`
|
|
// Minor is the device's minor number.
|
|
Minor int64 `json:"minor"`
|
|
// FileMode permission bits for the device.
|
|
FileMode *os.FileMode `json:"fileMode,omitempty"`
|
|
// UID of the device.
|
|
UID *uint32 `json:"uid,omitempty"`
|
|
// Gid of the device.
|
|
GID *uint32 `json:"gid,omitempty"`
|
|
}
|
|
|
|
// LinuxDeviceCgroup represents a device rule for the whitelist controller
|
|
type LinuxDeviceCgroup struct {
|
|
// Allow or deny
|
|
Allow bool `json:"allow"`
|
|
// Device type, block, char, etc.
|
|
Type string `json:"type,omitempty"`
|
|
// Major is the device's major number.
|
|
Major *int64 `json:"major,omitempty"`
|
|
// Minor is the device's minor number.
|
|
Minor *int64 `json:"minor,omitempty"`
|
|
// Cgroup access permissions format, rwm.
|
|
Access string `json:"access,omitempty"`
|
|
}
|
|
|
|
// Solaris contains platform-specific configuration for Solaris application containers.
|
|
type Solaris struct {
|
|
// SMF FMRI which should go "online" before we start the container process.
|
|
Milestone string `json:"milestone,omitempty"`
|
|
// Maximum set of privileges any process in this container can obtain.
|
|
LimitPriv string `json:"limitpriv,omitempty"`
|
|
// The maximum amount of shared memory allowed for this container.
|
|
MaxShmMemory string `json:"maxShmMemory,omitempty"`
|
|
// Specification for automatic creation of network resources for this container.
|
|
Anet []SolarisAnet `json:"anet,omitempty"`
|
|
// Set limit on the amount of CPU time that can be used by container.
|
|
CappedCPU *SolarisCappedCPU `json:"cappedCPU,omitempty"`
|
|
// The physical and swap caps on the memory that can be used by this container.
|
|
CappedMemory *SolarisCappedMemory `json:"cappedMemory,omitempty"`
|
|
}
|
|
|
|
// SolarisCappedCPU allows users to set limit on the amount of CPU time that can be used by container.
|
|
type SolarisCappedCPU struct {
|
|
Ncpus string `json:"ncpus,omitempty"`
|
|
}
|
|
|
|
// SolarisCappedMemory allows users to set the physical and swap caps on the memory that can be used by this container.
|
|
type SolarisCappedMemory struct {
|
|
Physical string `json:"physical,omitempty"`
|
|
Swap string `json:"swap,omitempty"`
|
|
}
|
|
|
|
// SolarisAnet provides the specification for automatic creation of network resources for this container.
|
|
type SolarisAnet struct {
|
|
// Specify a name for the automatically created VNIC datalink.
|
|
Linkname string `json:"linkname,omitempty"`
|
|
// Specify the link over which the VNIC will be created.
|
|
Lowerlink string `json:"lowerLink,omitempty"`
|
|
// The set of IP addresses that the container can use.
|
|
Allowedaddr string `json:"allowedAddress,omitempty"`
|
|
// Specifies whether allowedAddress limitation is to be applied to the VNIC.
|
|
Configallowedaddr string `json:"configureAllowedAddress,omitempty"`
|
|
// The value of the optional default router.
|
|
Defrouter string `json:"defrouter,omitempty"`
|
|
// Enable one or more types of link protection.
|
|
Linkprotection string `json:"linkProtection,omitempty"`
|
|
// Set the VNIC's macAddress
|
|
Macaddress string `json:"macAddress,omitempty"`
|
|
}
|
|
|
|
// Windows defines the runtime configuration for Windows based containers, including Hyper-V containers.
|
|
type Windows struct {
|
|
// LayerFolders contains a list of absolute paths to directories containing image layers.
|
|
LayerFolders []string `json:"layerFolders"`
|
|
// Devices are the list of devices to be mapped into the container.
|
|
Devices []WindowsDevice `json:"devices,omitempty"`
|
|
// Resources contains information for handling resource constraints for the container.
|
|
Resources *WindowsResources `json:"resources,omitempty"`
|
|
// CredentialSpec contains a JSON object describing a group Managed Service Account (gMSA) specification.
|
|
CredentialSpec interface{} `json:"credentialSpec,omitempty"`
|
|
// Servicing indicates if the container is being started in a mode to apply a Windows Update servicing operation.
|
|
Servicing bool `json:"servicing,omitempty"`
|
|
// IgnoreFlushesDuringBoot indicates if the container is being started in a mode where disk writes are not flushed during its boot process.
|
|
IgnoreFlushesDuringBoot bool `json:"ignoreFlushesDuringBoot,omitempty"`
|
|
// HyperV contains information for running a container with Hyper-V isolation.
|
|
HyperV *WindowsHyperV `json:"hyperv,omitempty"`
|
|
// Network restriction configuration.
|
|
Network *WindowsNetwork `json:"network,omitempty"`
|
|
}
|
|
|
|
// WindowsDevice represents information about a host device to be mapped into the container.
|
|
type WindowsDevice struct {
|
|
// Device identifier: interface class GUID, etc.
|
|
ID string `json:"id"`
|
|
// Device identifier type: "class", etc.
|
|
IDType string `json:"idType"`
|
|
}
|
|
|
|
// WindowsResources has container runtime resource constraints for containers running on Windows.
|
|
type WindowsResources struct {
|
|
// Memory restriction configuration.
|
|
Memory *WindowsMemoryResources `json:"memory,omitempty"`
|
|
// CPU resource restriction configuration.
|
|
CPU *WindowsCPUResources `json:"cpu,omitempty"`
|
|
// Storage restriction configuration.
|
|
Storage *WindowsStorageResources `json:"storage,omitempty"`
|
|
}
|
|
|
|
// WindowsMemoryResources contains memory resource management settings.
|
|
type WindowsMemoryResources struct {
|
|
// Memory limit in bytes.
|
|
Limit *uint64 `json:"limit,omitempty"`
|
|
}
|
|
|
|
// WindowsCPUResources contains CPU resource management settings.
|
|
type WindowsCPUResources struct {
|
|
// Number of CPUs available to the container.
|
|
Count *uint64 `json:"count,omitempty"`
|
|
// CPU shares (relative weight to other containers with cpu shares).
|
|
Shares *uint16 `json:"shares,omitempty"`
|
|
// Specifies the portion of processor cycles that this container can use as a percentage times 100.
|
|
Maximum *uint16 `json:"maximum,omitempty"`
|
|
}
|
|
|
|
// WindowsStorageResources contains storage resource management settings.
|
|
type WindowsStorageResources struct {
|
|
// Specifies maximum Iops for the system drive.
|
|
Iops *uint64 `json:"iops,omitempty"`
|
|
// Specifies maximum bytes per second for the system drive.
|
|
Bps *uint64 `json:"bps,omitempty"`
|
|
// Sandbox size specifies the minimum size of the system drive in bytes.
|
|
SandboxSize *uint64 `json:"sandboxSize,omitempty"`
|
|
}
|
|
|
|
// WindowsNetwork contains network settings for Windows containers.
|
|
type WindowsNetwork struct {
|
|
// List of HNS endpoints that the container should connect to.
|
|
EndpointList []string `json:"endpointList,omitempty"`
|
|
// Specifies if unqualified DNS name resolution is allowed.
|
|
AllowUnqualifiedDNSQuery bool `json:"allowUnqualifiedDNSQuery,omitempty"`
|
|
// Comma separated list of DNS suffixes to use for name resolution.
|
|
DNSSearchList []string `json:"DNSSearchList,omitempty"`
|
|
// Name (ID) of the container that we will share with the network stack.
|
|
NetworkSharedContainerName string `json:"networkSharedContainerName,omitempty"`
|
|
// name (ID) of the network namespace that will be used for the container.
|
|
NetworkNamespace string `json:"networkNamespace,omitempty"`
|
|
}
|
|
|
|
// WindowsHyperV contains information for configuring a container to run with Hyper-V isolation.
|
|
type WindowsHyperV struct {
|
|
// UtilityVMPath is an optional path to the image used for the Utility VM.
|
|
UtilityVMPath string `json:"utilityVMPath,omitempty"`
|
|
}
|
|
|
|
// VM contains information for virtual-machine-based containers.
|
|
type VM struct {
|
|
// Hypervisor specifies hypervisor-related configuration for virtual-machine-based containers.
|
|
Hypervisor VMHypervisor `json:"hypervisor,omitempty"`
|
|
// Kernel specifies kernel-related configuration for virtual-machine-based containers.
|
|
Kernel VMKernel `json:"kernel"`
|
|
// Image specifies guest image related configuration for virtual-machine-based containers.
|
|
Image VMImage `json:"image,omitempty"`
|
|
}
|
|
|
|
// VMHypervisor contains information about the hypervisor to use for a virtual machine.
|
|
type VMHypervisor struct {
|
|
// Path is the host path to the hypervisor used to manage the virtual machine.
|
|
Path string `json:"path"`
|
|
// Parameters specifies parameters to pass to the hypervisor.
|
|
Parameters []string `json:"parameters,omitempty"`
|
|
}
|
|
|
|
// VMKernel contains information about the kernel to use for a virtual machine.
|
|
type VMKernel struct {
|
|
// Path is the host path to the kernel used to boot the virtual machine.
|
|
Path string `json:"path"`
|
|
// Parameters specifies parameters to pass to the kernel.
|
|
Parameters []string `json:"parameters,omitempty"`
|
|
// InitRD is the host path to an initial ramdisk to be used by the kernel.
|
|
InitRD string `json:"initrd,omitempty"`
|
|
}
|
|
|
|
// VMImage contains information about the virtual machine root image.
|
|
type VMImage struct {
|
|
// Path is the host path to the root image that the VM kernel would boot into.
|
|
Path string `json:"path"`
|
|
// Format is the root image format type (e.g. "qcow2", "raw", "vhd", etc).
|
|
Format string `json:"format"`
|
|
}
|
|
|
|
// LinuxSeccomp represents syscall restrictions
|
|
type LinuxSeccomp struct {
|
|
DefaultAction LinuxSeccompAction `json:"defaultAction"`
|
|
Architectures []Arch `json:"architectures,omitempty"`
|
|
Syscalls []LinuxSyscall `json:"syscalls,omitempty"`
|
|
}
|
|
|
|
// Arch used for additional architectures
|
|
type Arch string
|
|
|
|
// Additional architectures permitted to be used for system calls
|
|
// By default only the native architecture of the kernel is permitted
|
|
const (
|
|
ArchX86 Arch = "SCMP_ARCH_X86"
|
|
ArchX86_64 Arch = "SCMP_ARCH_X86_64"
|
|
ArchX32 Arch = "SCMP_ARCH_X32"
|
|
ArchARM Arch = "SCMP_ARCH_ARM"
|
|
ArchAARCH64 Arch = "SCMP_ARCH_AARCH64"
|
|
ArchMIPS Arch = "SCMP_ARCH_MIPS"
|
|
ArchMIPS64 Arch = "SCMP_ARCH_MIPS64"
|
|
ArchMIPS64N32 Arch = "SCMP_ARCH_MIPS64N32"
|
|
ArchMIPSEL Arch = "SCMP_ARCH_MIPSEL"
|
|
ArchMIPSEL64 Arch = "SCMP_ARCH_MIPSEL64"
|
|
ArchMIPSEL64N32 Arch = "SCMP_ARCH_MIPSEL64N32"
|
|
ArchPPC Arch = "SCMP_ARCH_PPC"
|
|
ArchPPC64 Arch = "SCMP_ARCH_PPC64"
|
|
ArchPPC64LE Arch = "SCMP_ARCH_PPC64LE"
|
|
ArchS390 Arch = "SCMP_ARCH_S390"
|
|
ArchS390X Arch = "SCMP_ARCH_S390X"
|
|
ArchPARISC Arch = "SCMP_ARCH_PARISC"
|
|
ArchPARISC64 Arch = "SCMP_ARCH_PARISC64"
|
|
)
|
|
|
|
// LinuxSeccompAction taken upon Seccomp rule match
|
|
type LinuxSeccompAction string
|
|
|
|
// Define actions for Seccomp rules
|
|
const (
|
|
ActKill LinuxSeccompAction = "SCMP_ACT_KILL"
|
|
ActTrap LinuxSeccompAction = "SCMP_ACT_TRAP"
|
|
ActErrno LinuxSeccompAction = "SCMP_ACT_ERRNO"
|
|
ActTrace LinuxSeccompAction = "SCMP_ACT_TRACE"
|
|
ActAllow LinuxSeccompAction = "SCMP_ACT_ALLOW"
|
|
)
|
|
|
|
// LinuxSeccompOperator used to match syscall arguments in Seccomp
|
|
type LinuxSeccompOperator string
|
|
|
|
// Define operators for syscall arguments in Seccomp
|
|
const (
|
|
OpNotEqual LinuxSeccompOperator = "SCMP_CMP_NE"
|
|
OpLessThan LinuxSeccompOperator = "SCMP_CMP_LT"
|
|
OpLessEqual LinuxSeccompOperator = "SCMP_CMP_LE"
|
|
OpEqualTo LinuxSeccompOperator = "SCMP_CMP_EQ"
|
|
OpGreaterEqual LinuxSeccompOperator = "SCMP_CMP_GE"
|
|
OpGreaterThan LinuxSeccompOperator = "SCMP_CMP_GT"
|
|
OpMaskedEqual LinuxSeccompOperator = "SCMP_CMP_MASKED_EQ"
|
|
)
|
|
|
|
// LinuxSeccompArg used for matching specific syscall arguments in Seccomp
|
|
type LinuxSeccompArg struct {
|
|
Index uint `json:"index"`
|
|
Value uint64 `json:"value"`
|
|
ValueTwo uint64 `json:"valueTwo,omitempty"`
|
|
Op LinuxSeccompOperator `json:"op"`
|
|
}
|
|
|
|
// LinuxSyscall is used to match a syscall in Seccomp
|
|
type LinuxSyscall struct {
|
|
Names []string `json:"names"`
|
|
Action LinuxSeccompAction `json:"action"`
|
|
Args []LinuxSeccompArg `json:"args,omitempty"`
|
|
}
|
|
|
|
// LinuxIntelRdt has container runtime resource constraints for Intel RDT
|
|
// CAT and MBA features which introduced in Linux 4.10 and 4.12 kernel
|
|
type LinuxIntelRdt struct {
|
|
// The identity for RDT Class of Service
|
|
ClosID string `json:"closID,omitempty"`
|
|
// The schema for L3 cache id and capacity bitmask (CBM)
|
|
// Format: "L3:<cache_id0>=<cbm0>;<cache_id1>=<cbm1>;..."
|
|
L3CacheSchema string `json:"l3CacheSchema,omitempty"`
|
|
|
|
// The schema of memory bandwidth per L3 cache id
|
|
// Format: "MB:<cache_id0>=bandwidth0;<cache_id1>=bandwidth1;..."
|
|
// The unit of memory bandwidth is specified in "percentages" by
|
|
// default, and in "MBps" if MBA Software Controller is enabled.
|
|
MemBwSchema string `json:"memBwSchema,omitempty"`
|
|
}
|