vendor containerd/cgroups

We need to vendor in the latest containerd/cgroups for a fix related to
slice delegation and systemd <= 239. The opencontainer/runtime-spec is
brought along for the ride.

Signed-off-by: baude <bbaude@redhat.com>

Closes: #1414
Approved by: mheon
This commit is contained in:
baude
2018-09-05 18:30:30 -05:00
committed by Atomic Bot
parent 2e6243b185
commit bbbbfa582b
32 changed files with 1137 additions and 24 deletions

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@ -22,12 +22,12 @@ To provide context for users the following section gives example use cases for e
### Application Bundle Builders
Application bundle builders can create a [bundle](bundle.md) directory that includes all of the files required for launching an application as a container.
The bundle contains an OCI [configuration file](config.md) where the builder can specify host-independent details such as [which executable to launch](config.md#process) and host-specific settings such as [mount](config.md#mounts) locations, [hook](config.md#hooks) paths, Linux [namespaces](config-linux.md#namespaces) and [cgroups](config-linux.md#control-groups).
The bundle contains an OCI [configuration file](config.md) where the builder can specify host-independent details such as [which executable to launch](config.md#process) and host-specific settings such as [mount](config.md#mounts) locations, [hook](config.md#posix-platform-hooks) paths, Linux [namespaces](config-linux.md#namespaces) and [cgroups](config-linux.md#control-groups).
Because the configuration includes host-specific settings, application bundle directories copied between two hosts may require configuration adjustments.
### Hook Developers
[Hook](config.md#hooks) developers can extend the functionality of an OCI-compliant runtime by hooking into a container's lifecycle with an external application.
[Hook](config.md#posix-platform-hooks) developers can extend the functionality of an OCI-compliant runtime by hooking into a container's lifecycle with an external application.
Example use cases include sophisticated network configuration, volume garbage collection, etc.
### Runtime Developers
@ -52,17 +52,12 @@ It also guarantees that the design is sound before code is written; a GitHub pul
Typos and grammatical errors can go straight to a pull-request.
When in doubt, start on the [mailing-list](#mailing-list).
### Weekly Call
The contributors and maintainers of all OCI projects have a weekly meeting on Wednesdays at:
* 8:00 AM (USA Pacific), during [odd weeks][iso-week].
* 2:00 PM (USA Pacific), during [even weeks][iso-week].
### Meetings
The contributors and maintainers of all OCI projects have monthly meetings, which are usually at 2:00 PM (USA Pacific) on the first Wednesday of every month.
There is an [iCalendar][rfc5545] format for the meetings [here](meeting.ics).
Everyone is welcome to participate via [UberConference web][uberconference] or audio-only: +1 415 968 0849 (no PIN needed).
An initial agenda will be posted to the [mailing list](#mailing-list) earlier in the week, and everyone is welcome to propose additional topics or suggest other agenda alterations there.
An initial agenda will be posted to the [mailing list](#mailing-list) in the week before each meeting, and everyone is welcome to propose additional topics or suggest other agenda alterations there.
Minutes are posted to the [mailing list](#mailing-list) and minutes from past calls are archived [here][minutes], with minutes from especially old meetings (September 2015 and earlier) archived [here][runtime-wiki].
### Mailing List

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@ -4,7 +4,7 @@ import "os"
// Spec is the base configuration for the container.
type Spec struct {
// Version of the Open Container Runtime Specification with which the bundle complies.
// 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"`
@ -25,6 +25,8 @@ type Spec struct {
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.
@ -194,10 +196,10 @@ const (
// LinuxIDMapping specifies UID/GID mappings
type LinuxIDMapping struct {
// HostID is the starting UID/GID on the host to be mapped to 'ContainerID'
HostID uint32 `json:"hostID"`
// 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"`
}
@ -320,6 +322,14 @@ type LinuxNetwork struct {
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.
@ -336,6 +346,10 @@ type LinuxResources struct {
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
@ -419,6 +433,8 @@ type SolarisAnet struct {
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.
@ -433,6 +449,14 @@ type Windows struct {
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.
@ -487,6 +511,42 @@ type WindowsHyperV struct {
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"`

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@ -8,10 +8,10 @@ const (
// VersionMinor is for functionality in a backwards-compatible manner
VersionMinor = 0
// VersionPatch is for backwards-compatible bug fixes
VersionPatch = 0
VersionPatch = 1
// VersionDev indicates development branch. Releases will be empty string.
VersionDev = ""
VersionDev = "-dev"
)
// Version is the specification version that the package types support.