mirror of
https://github.com/ceph/ceph-csi.git
synced 2025-06-14 18:53:35 +00:00
rebase: update K8s packages to v0.32.1
Update K8s packages in go.mod to v0.32.1 Signed-off-by: Praveen M <m.praveen@ibm.com>
This commit is contained in:
66
vendor/github.com/opencontainers/runc/libcontainer/configs/blkio_device.go
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66
vendor/github.com/opencontainers/runc/libcontainer/configs/blkio_device.go
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package configs
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import "fmt"
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// BlockIODevice holds major:minor format supported in blkio cgroup.
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type BlockIODevice struct {
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// Major is the device's major number
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Major int64 `json:"major"`
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// Minor is the device's minor number
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Minor int64 `json:"minor"`
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}
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// WeightDevice struct holds a `major:minor weight`|`major:minor leaf_weight` pair
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type WeightDevice struct {
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BlockIODevice
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// Weight is the bandwidth rate for the device, range is from 10 to 1000
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Weight uint16 `json:"weight"`
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// LeafWeight is the bandwidth rate for the device while competing with the cgroup's child cgroups, range is from 10 to 1000, cfq scheduler only
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LeafWeight uint16 `json:"leafWeight"`
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}
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// NewWeightDevice returns a configured WeightDevice pointer
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func NewWeightDevice(major, minor int64, weight, leafWeight uint16) *WeightDevice {
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wd := &WeightDevice{}
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wd.Major = major
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wd.Minor = minor
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wd.Weight = weight
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wd.LeafWeight = leafWeight
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return wd
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}
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// WeightString formats the struct to be writable to the cgroup specific file
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func (wd *WeightDevice) WeightString() string {
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return fmt.Sprintf("%d:%d %d", wd.Major, wd.Minor, wd.Weight)
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}
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// LeafWeightString formats the struct to be writable to the cgroup specific file
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func (wd *WeightDevice) LeafWeightString() string {
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return fmt.Sprintf("%d:%d %d", wd.Major, wd.Minor, wd.LeafWeight)
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}
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// ThrottleDevice struct holds a `major:minor rate_per_second` pair
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type ThrottleDevice struct {
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BlockIODevice
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// Rate is the IO rate limit per cgroup per device
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Rate uint64 `json:"rate"`
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}
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// NewThrottleDevice returns a configured ThrottleDevice pointer
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func NewThrottleDevice(major, minor int64, rate uint64) *ThrottleDevice {
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td := &ThrottleDevice{}
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td.Major = major
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td.Minor = minor
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td.Rate = rate
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return td
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}
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// String formats the struct to be writable to the cgroup specific file
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func (td *ThrottleDevice) String() string {
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return fmt.Sprintf("%d:%d %d", td.Major, td.Minor, td.Rate)
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}
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// StringName formats the struct to be writable to the cgroup specific file
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func (td *ThrottleDevice) StringName(name string) string {
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return fmt.Sprintf("%d:%d %s=%d", td.Major, td.Minor, name, td.Rate)
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}
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169
vendor/github.com/opencontainers/runc/libcontainer/configs/cgroup_linux.go
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169
vendor/github.com/opencontainers/runc/libcontainer/configs/cgroup_linux.go
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package configs
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import (
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systemdDbus "github.com/coreos/go-systemd/v22/dbus"
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"github.com/opencontainers/runc/libcontainer/devices"
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)
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type FreezerState string
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const (
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Undefined FreezerState = ""
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Frozen FreezerState = "FROZEN"
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Thawed FreezerState = "THAWED"
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)
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// Cgroup holds properties of a cgroup on Linux.
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type Cgroup struct {
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// Name specifies the name of the cgroup
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Name string `json:"name,omitempty"`
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// Parent specifies the name of parent of cgroup or slice
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Parent string `json:"parent,omitempty"`
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// Path specifies the path to cgroups that are created and/or joined by the container.
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// The path is assumed to be relative to the host system cgroup mountpoint.
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Path string `json:"path"`
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// ScopePrefix describes prefix for the scope name
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ScopePrefix string `json:"scope_prefix"`
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// Resources contains various cgroups settings to apply
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*Resources
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// Systemd tells if systemd should be used to manage cgroups.
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Systemd bool
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// SystemdProps are any additional properties for systemd,
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// derived from org.systemd.property.xxx annotations.
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// Ignored unless systemd is used for managing cgroups.
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SystemdProps []systemdDbus.Property `json:"-"`
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// Rootless tells if rootless cgroups should be used.
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Rootless bool
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// The host UID that should own the cgroup, or nil to accept
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// the default ownership. This should only be set when the
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// cgroupfs is to be mounted read/write.
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// Not all cgroup manager implementations support changing
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// the ownership.
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OwnerUID *int `json:"owner_uid,omitempty"`
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}
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type Resources struct {
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// Devices is the set of access rules for devices in the container.
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Devices []*devices.Rule `json:"devices"`
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// Memory limit (in bytes)
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Memory int64 `json:"memory"`
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// Memory reservation or soft_limit (in bytes)
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MemoryReservation int64 `json:"memory_reservation"`
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// Total memory usage (memory + swap); set `-1` to enable unlimited swap
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MemorySwap int64 `json:"memory_swap"`
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// CPU shares (relative weight vs. other containers)
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CpuShares uint64 `json:"cpu_shares"`
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// CPU hardcap limit (in usecs). Allowed cpu time in a given period.
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CpuQuota int64 `json:"cpu_quota"`
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// CPU hardcap burst limit (in usecs). Allowed accumulated cpu time additionally for burst in a given period.
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CpuBurst *uint64 `json:"cpu_burst"` //nolint:revive
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// CPU period to be used for hardcapping (in usecs). 0 to use system default.
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CpuPeriod uint64 `json:"cpu_period"`
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// How many time CPU will use in realtime scheduling (in usecs).
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CpuRtRuntime int64 `json:"cpu_rt_quota"`
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// CPU period to be used for realtime scheduling (in usecs).
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CpuRtPeriod uint64 `json:"cpu_rt_period"`
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// CPU to use
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CpusetCpus string `json:"cpuset_cpus"`
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// MEM to use
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CpusetMems string `json:"cpuset_mems"`
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// cgroup SCHED_IDLE
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CPUIdle *int64 `json:"cpu_idle,omitempty"`
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// Process limit; set <= `0' to disable limit.
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PidsLimit int64 `json:"pids_limit"`
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// Specifies per cgroup weight, range is from 10 to 1000.
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BlkioWeight uint16 `json:"blkio_weight"`
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// Specifies tasks' weight in the given cgroup while competing with the cgroup's child cgroups, range is from 10 to 1000, cfq scheduler only
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BlkioLeafWeight uint16 `json:"blkio_leaf_weight"`
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// Weight per cgroup per device, can override BlkioWeight.
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BlkioWeightDevice []*WeightDevice `json:"blkio_weight_device"`
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// IO read rate limit per cgroup per device, bytes per second.
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BlkioThrottleReadBpsDevice []*ThrottleDevice `json:"blkio_throttle_read_bps_device"`
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// IO write rate limit per cgroup per device, bytes per second.
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BlkioThrottleWriteBpsDevice []*ThrottleDevice `json:"blkio_throttle_write_bps_device"`
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// IO read rate limit per cgroup per device, IO per second.
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BlkioThrottleReadIOPSDevice []*ThrottleDevice `json:"blkio_throttle_read_iops_device"`
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// IO write rate limit per cgroup per device, IO per second.
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BlkioThrottleWriteIOPSDevice []*ThrottleDevice `json:"blkio_throttle_write_iops_device"`
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// set the freeze value for the process
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Freezer FreezerState `json:"freezer"`
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// Hugetlb limit (in bytes)
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HugetlbLimit []*HugepageLimit `json:"hugetlb_limit"`
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// Whether to disable OOM Killer
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OomKillDisable bool `json:"oom_kill_disable"`
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// Tuning swappiness behaviour per cgroup
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MemorySwappiness *uint64 `json:"memory_swappiness"`
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// Set priority of network traffic for container
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NetPrioIfpriomap []*IfPrioMap `json:"net_prio_ifpriomap"`
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// Set class identifier for container's network packets
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NetClsClassid uint32 `json:"net_cls_classid_u"`
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// Rdma resource restriction configuration
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Rdma map[string]LinuxRdma `json:"rdma"`
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// Used on cgroups v2:
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// CpuWeight sets a proportional bandwidth limit.
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CpuWeight uint64 `json:"cpu_weight"`
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// Unified is cgroupv2-only key-value map.
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Unified map[string]string `json:"unified"`
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// SkipDevices allows to skip configuring device permissions.
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// Used by e.g. kubelet while creating a parent cgroup (kubepods)
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// common for many containers, and by runc update.
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//
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// NOTE it is impossible to start a container which has this flag set.
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SkipDevices bool `json:"-"`
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||||
// SkipFreezeOnSet is a flag for cgroup manager to skip the cgroup
|
||||
// freeze when setting resources. Only applicable to systemd legacy
|
||||
// (i.e. cgroup v1) manager (which uses freeze by default to avoid
|
||||
// spurious permission errors caused by systemd inability to update
|
||||
// device rules in a non-disruptive manner).
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||||
//
|
||||
// If not set, a few methods (such as looking into cgroup's
|
||||
// devices.list and querying the systemd unit properties) are used
|
||||
// during Set() to figure out whether the freeze is required. Those
|
||||
// methods may be relatively slow, thus this flag.
|
||||
SkipFreezeOnSet bool `json:"-"`
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||||
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||||
// MemoryCheckBeforeUpdate is a flag for cgroup v2 managers to check
|
||||
// if the new memory limits (Memory and MemorySwap) being set are lower
|
||||
// than the current memory usage, and reject if so.
|
||||
MemoryCheckBeforeUpdate bool `json:"memory_check_before_update"`
|
||||
}
|
8
vendor/github.com/opencontainers/runc/libcontainer/configs/cgroup_unsupported.go
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8
vendor/github.com/opencontainers/runc/libcontainer/configs/cgroup_unsupported.go
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//go:build !linux
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||||
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||||
package configs
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||||
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||||
// Cgroup holds properties of a cgroup on Linux
|
||||
// TODO Windows: This can ultimately be entirely factored out on Windows as
|
||||
// cgroups are a Unix-specific construct.
|
||||
type Cgroup struct{}
|
508
vendor/github.com/opencontainers/runc/libcontainer/configs/config.go
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508
vendor/github.com/opencontainers/runc/libcontainer/configs/config.go
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|
||||
package configs
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"os/exec"
|
||||
"time"
|
||||
|
||||
"github.com/sirupsen/logrus"
|
||||
"golang.org/x/sys/unix"
|
||||
|
||||
"github.com/opencontainers/runc/libcontainer/devices"
|
||||
"github.com/opencontainers/runtime-spec/specs-go"
|
||||
)
|
||||
|
||||
type Rlimit struct {
|
||||
Type int `json:"type"`
|
||||
Hard uint64 `json:"hard"`
|
||||
Soft uint64 `json:"soft"`
|
||||
}
|
||||
|
||||
// IDMap represents UID/GID Mappings for User Namespaces.
|
||||
type IDMap struct {
|
||||
ContainerID int64 `json:"container_id"`
|
||||
HostID int64 `json:"host_id"`
|
||||
Size int64 `json:"size"`
|
||||
}
|
||||
|
||||
// Seccomp represents syscall restrictions
|
||||
// By default, only the native architecture of the kernel is allowed to be used
|
||||
// for syscalls. Additional architectures can be added by specifying them in
|
||||
// Architectures.
|
||||
type Seccomp struct {
|
||||
DefaultAction Action `json:"default_action"`
|
||||
Architectures []string `json:"architectures"`
|
||||
Flags []specs.LinuxSeccompFlag `json:"flags"`
|
||||
Syscalls []*Syscall `json:"syscalls"`
|
||||
DefaultErrnoRet *uint `json:"default_errno_ret"`
|
||||
ListenerPath string `json:"listener_path,omitempty"`
|
||||
ListenerMetadata string `json:"listener_metadata,omitempty"`
|
||||
}
|
||||
|
||||
// Action is taken upon rule match in Seccomp
|
||||
type Action int
|
||||
|
||||
const (
|
||||
Kill Action = iota + 1
|
||||
Errno
|
||||
Trap
|
||||
Allow
|
||||
Trace
|
||||
Log
|
||||
Notify
|
||||
KillThread
|
||||
KillProcess
|
||||
)
|
||||
|
||||
// Operator is a comparison operator to be used when matching syscall arguments in Seccomp
|
||||
type Operator int
|
||||
|
||||
const (
|
||||
EqualTo Operator = iota + 1
|
||||
NotEqualTo
|
||||
GreaterThan
|
||||
GreaterThanOrEqualTo
|
||||
LessThan
|
||||
LessThanOrEqualTo
|
||||
MaskEqualTo
|
||||
)
|
||||
|
||||
// Arg is a rule to match a specific syscall argument in Seccomp
|
||||
type Arg struct {
|
||||
Index uint `json:"index"`
|
||||
Value uint64 `json:"value"`
|
||||
ValueTwo uint64 `json:"value_two"`
|
||||
Op Operator `json:"op"`
|
||||
}
|
||||
|
||||
// Syscall is a rule to match a syscall in Seccomp
|
||||
type Syscall struct {
|
||||
Name string `json:"name"`
|
||||
Action Action `json:"action"`
|
||||
ErrnoRet *uint `json:"errnoRet"`
|
||||
Args []*Arg `json:"args"`
|
||||
}
|
||||
|
||||
// Config defines configuration options for executing a process inside a contained environment.
|
||||
type Config struct {
|
||||
// NoPivotRoot will use MS_MOVE and a chroot to jail the process into the container's rootfs
|
||||
// This is a common option when the container is running in ramdisk
|
||||
NoPivotRoot bool `json:"no_pivot_root"`
|
||||
|
||||
// ParentDeathSignal specifies the signal that is sent to the container's process in the case
|
||||
// that the parent process dies.
|
||||
ParentDeathSignal int `json:"parent_death_signal"`
|
||||
|
||||
// Path to a directory containing the container's root filesystem.
|
||||
Rootfs string `json:"rootfs"`
|
||||
|
||||
// Umask is the umask to use inside of the container.
|
||||
Umask *uint32 `json:"umask"`
|
||||
|
||||
// Readonlyfs will remount the container's rootfs as readonly where only externally mounted
|
||||
// bind mounts are writtable.
|
||||
Readonlyfs bool `json:"readonlyfs"`
|
||||
|
||||
// Specifies the mount propagation flags to be applied to /.
|
||||
RootPropagation int `json:"rootPropagation"`
|
||||
|
||||
// Mounts specify additional source and destination paths that will be mounted inside the container's
|
||||
// rootfs and mount namespace if specified
|
||||
Mounts []*Mount `json:"mounts"`
|
||||
|
||||
// The device nodes that should be automatically created within the container upon container start. Note, make sure that the node is marked as allowed in the cgroup as well!
|
||||
Devices []*devices.Device `json:"devices"`
|
||||
|
||||
MountLabel string `json:"mount_label"`
|
||||
|
||||
// Hostname optionally sets the container's hostname if provided
|
||||
Hostname string `json:"hostname"`
|
||||
|
||||
// Domainname optionally sets the container's domainname if provided
|
||||
Domainname string `json:"domainname"`
|
||||
|
||||
// Namespaces specifies the container's namespaces that it should setup when cloning the init process
|
||||
// If a namespace is not provided that namespace is shared from the container's parent process
|
||||
Namespaces Namespaces `json:"namespaces"`
|
||||
|
||||
// Capabilities specify the capabilities to keep when executing the process inside the container
|
||||
// All capabilities not specified will be dropped from the processes capability mask
|
||||
Capabilities *Capabilities `json:"capabilities"`
|
||||
|
||||
// Networks specifies the container's network setup to be created
|
||||
Networks []*Network `json:"networks"`
|
||||
|
||||
// Routes can be specified to create entries in the route table as the container is started
|
||||
Routes []*Route `json:"routes"`
|
||||
|
||||
// Cgroups specifies specific cgroup settings for the various subsystems that the container is
|
||||
// placed into to limit the resources the container has available
|
||||
Cgroups *Cgroup `json:"cgroups"`
|
||||
|
||||
// AppArmorProfile specifies the profile to apply to the process running in the container and is
|
||||
// change at the time the process is execed
|
||||
AppArmorProfile string `json:"apparmor_profile,omitempty"`
|
||||
|
||||
// ProcessLabel specifies the label to apply to the process running in the container. It is
|
||||
// commonly used by selinux
|
||||
ProcessLabel string `json:"process_label,omitempty"`
|
||||
|
||||
// Rlimits specifies the resource limits, such as max open files, to set in the container
|
||||
// If Rlimits are not set, the container will inherit rlimits from the parent process
|
||||
Rlimits []Rlimit `json:"rlimits,omitempty"`
|
||||
|
||||
// OomScoreAdj specifies the adjustment to be made by the kernel when calculating oom scores
|
||||
// for a process. Valid values are between the range [-1000, '1000'], where processes with
|
||||
// higher scores are preferred for being killed. If it is unset then we don't touch the current
|
||||
// value.
|
||||
// More information about kernel oom score calculation here: https://lwn.net/Articles/317814/
|
||||
OomScoreAdj *int `json:"oom_score_adj,omitempty"`
|
||||
|
||||
// UIDMappings is an array of User ID mappings for User Namespaces
|
||||
UIDMappings []IDMap `json:"uid_mappings"`
|
||||
|
||||
// GIDMappings is an array of Group ID mappings for User Namespaces
|
||||
GIDMappings []IDMap `json:"gid_mappings"`
|
||||
|
||||
// MaskPaths specifies paths within the container's rootfs to mask over with a bind
|
||||
// mount pointing to /dev/null as to prevent reads of the file.
|
||||
MaskPaths []string `json:"mask_paths"`
|
||||
|
||||
// ReadonlyPaths specifies paths within the container's rootfs to remount as read-only
|
||||
// so that these files prevent any writes.
|
||||
ReadonlyPaths []string `json:"readonly_paths"`
|
||||
|
||||
// Sysctl is a map of properties and their values. It is the equivalent of using
|
||||
// sysctl -w my.property.name value in Linux.
|
||||
Sysctl map[string]string `json:"sysctl"`
|
||||
|
||||
// Seccomp allows actions to be taken whenever a syscall is made within the container.
|
||||
// A number of rules are given, each having an action to be taken if a syscall matches it.
|
||||
// A default action to be taken if no rules match is also given.
|
||||
Seccomp *Seccomp `json:"seccomp"`
|
||||
|
||||
// NoNewPrivileges controls whether processes in the container can gain additional privileges.
|
||||
NoNewPrivileges bool `json:"no_new_privileges,omitempty"`
|
||||
|
||||
// Hooks are a collection of actions to perform at various container lifecycle events.
|
||||
// CommandHooks are serialized to JSON, but other hooks are not.
|
||||
Hooks Hooks
|
||||
|
||||
// Version is the version of opencontainer specification that is supported.
|
||||
Version string `json:"version"`
|
||||
|
||||
// Labels are user defined metadata that is stored in the config and populated on the state
|
||||
Labels []string `json:"labels"`
|
||||
|
||||
// NoNewKeyring will not allocated a new session keyring for the container. It will use the
|
||||
// callers keyring in this case.
|
||||
NoNewKeyring bool `json:"no_new_keyring"`
|
||||
|
||||
// IntelRdt specifies settings for Intel RDT group that the container is placed into
|
||||
// to limit the resources (e.g., L3 cache, memory bandwidth) the container has available
|
||||
IntelRdt *IntelRdt `json:"intel_rdt,omitempty"`
|
||||
|
||||
// RootlessEUID is set when the runc was launched with non-zero EUID.
|
||||
// Note that RootlessEUID is set to false when launched with EUID=0 in userns.
|
||||
// When RootlessEUID is set, runc creates a new userns for the container.
|
||||
// (config.json needs to contain userns settings)
|
||||
RootlessEUID bool `json:"rootless_euid,omitempty"`
|
||||
|
||||
// RootlessCgroups is set when unlikely to have the full access to cgroups.
|
||||
// When RootlessCgroups is set, cgroups errors are ignored.
|
||||
RootlessCgroups bool `json:"rootless_cgroups,omitempty"`
|
||||
|
||||
// TimeOffsets specifies the offset for supporting time namespaces.
|
||||
TimeOffsets map[string]specs.LinuxTimeOffset `json:"time_offsets,omitempty"`
|
||||
|
||||
// Scheduler represents the scheduling attributes for a process.
|
||||
Scheduler *Scheduler `json:"scheduler,omitempty"`
|
||||
|
||||
// Personality contains configuration for the Linux personality syscall.
|
||||
Personality *LinuxPersonality `json:"personality,omitempty"`
|
||||
|
||||
// IOPriority is the container's I/O priority.
|
||||
IOPriority *IOPriority `json:"io_priority,omitempty"`
|
||||
}
|
||||
|
||||
// Scheduler is based on the Linux sched_setattr(2) syscall.
|
||||
type Scheduler = specs.Scheduler
|
||||
|
||||
// ToSchedAttr is to convert *configs.Scheduler to *unix.SchedAttr.
|
||||
func ToSchedAttr(scheduler *Scheduler) (*unix.SchedAttr, error) {
|
||||
var policy uint32
|
||||
switch scheduler.Policy {
|
||||
case specs.SchedOther:
|
||||
policy = 0
|
||||
case specs.SchedFIFO:
|
||||
policy = 1
|
||||
case specs.SchedRR:
|
||||
policy = 2
|
||||
case specs.SchedBatch:
|
||||
policy = 3
|
||||
case specs.SchedISO:
|
||||
policy = 4
|
||||
case specs.SchedIdle:
|
||||
policy = 5
|
||||
case specs.SchedDeadline:
|
||||
policy = 6
|
||||
default:
|
||||
return nil, fmt.Errorf("invalid scheduler policy: %s", scheduler.Policy)
|
||||
}
|
||||
|
||||
var flags uint64
|
||||
for _, flag := range scheduler.Flags {
|
||||
switch flag {
|
||||
case specs.SchedFlagResetOnFork:
|
||||
flags |= 0x01
|
||||
case specs.SchedFlagReclaim:
|
||||
flags |= 0x02
|
||||
case specs.SchedFlagDLOverrun:
|
||||
flags |= 0x04
|
||||
case specs.SchedFlagKeepPolicy:
|
||||
flags |= 0x08
|
||||
case specs.SchedFlagKeepParams:
|
||||
flags |= 0x10
|
||||
case specs.SchedFlagUtilClampMin:
|
||||
flags |= 0x20
|
||||
case specs.SchedFlagUtilClampMax:
|
||||
flags |= 0x40
|
||||
default:
|
||||
return nil, fmt.Errorf("invalid scheduler flag: %s", flag)
|
||||
}
|
||||
}
|
||||
|
||||
return &unix.SchedAttr{
|
||||
Size: unix.SizeofSchedAttr,
|
||||
Policy: policy,
|
||||
Flags: flags,
|
||||
Nice: scheduler.Nice,
|
||||
Priority: uint32(scheduler.Priority),
|
||||
Runtime: scheduler.Runtime,
|
||||
Deadline: scheduler.Deadline,
|
||||
Period: scheduler.Period,
|
||||
}, nil
|
||||
}
|
||||
|
||||
var IOPrioClassMapping = map[specs.IOPriorityClass]int{
|
||||
specs.IOPRIO_CLASS_RT: 1,
|
||||
specs.IOPRIO_CLASS_BE: 2,
|
||||
specs.IOPRIO_CLASS_IDLE: 3,
|
||||
}
|
||||
|
||||
type IOPriority = specs.LinuxIOPriority
|
||||
|
||||
type (
|
||||
HookName string
|
||||
HookList []Hook
|
||||
Hooks map[HookName]HookList
|
||||
)
|
||||
|
||||
const (
|
||||
// Prestart commands are executed after the container namespaces are created,
|
||||
// but before the user supplied command is executed from init.
|
||||
// Note: This hook is now deprecated
|
||||
// Prestart commands are called in the Runtime namespace.
|
||||
Prestart HookName = "prestart"
|
||||
|
||||
// CreateRuntime commands MUST be called as part of the create operation after
|
||||
// the runtime environment has been created but before the pivot_root has been executed.
|
||||
// CreateRuntime is called immediately after the deprecated Prestart hook.
|
||||
// CreateRuntime commands are called in the Runtime Namespace.
|
||||
CreateRuntime HookName = "createRuntime"
|
||||
|
||||
// CreateContainer commands MUST be called as part of the create operation after
|
||||
// the runtime environment has been created but before the pivot_root has been executed.
|
||||
// CreateContainer commands are called in the Container namespace.
|
||||
CreateContainer HookName = "createContainer"
|
||||
|
||||
// StartContainer commands MUST be called as part of the start operation and before
|
||||
// the container process is started.
|
||||
// StartContainer commands are called in the Container namespace.
|
||||
StartContainer HookName = "startContainer"
|
||||
|
||||
// Poststart commands are executed after the container init process starts.
|
||||
// Poststart commands are called in the Runtime Namespace.
|
||||
Poststart HookName = "poststart"
|
||||
|
||||
// Poststop commands are executed after the container init process exits.
|
||||
// Poststop commands are called in the Runtime Namespace.
|
||||
Poststop HookName = "poststop"
|
||||
)
|
||||
|
||||
// KnownHookNames returns the known hook names.
|
||||
// Used by `runc features`.
|
||||
func KnownHookNames() []string {
|
||||
return []string{
|
||||
string(Prestart), // deprecated
|
||||
string(CreateRuntime),
|
||||
string(CreateContainer),
|
||||
string(StartContainer),
|
||||
string(Poststart),
|
||||
string(Poststop),
|
||||
}
|
||||
}
|
||||
|
||||
type Capabilities struct {
|
||||
// Bounding is the set of capabilities checked by the kernel.
|
||||
Bounding []string
|
||||
// Effective is the set of capabilities checked by the kernel.
|
||||
Effective []string
|
||||
// Inheritable is the capabilities preserved across execve.
|
||||
Inheritable []string
|
||||
// Permitted is the limiting superset for effective capabilities.
|
||||
Permitted []string
|
||||
// Ambient is the ambient set of capabilities that are kept.
|
||||
Ambient []string
|
||||
}
|
||||
|
||||
// Deprecated: use (Hooks).Run instead.
|
||||
func (hooks HookList) RunHooks(state *specs.State) error {
|
||||
for i, h := range hooks {
|
||||
if err := h.Run(state); err != nil {
|
||||
return fmt.Errorf("error running hook #%d: %w", i, err)
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (hooks *Hooks) UnmarshalJSON(b []byte) error {
|
||||
var state map[HookName][]CommandHook
|
||||
|
||||
if err := json.Unmarshal(b, &state); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
*hooks = Hooks{}
|
||||
for n, commandHooks := range state {
|
||||
if len(commandHooks) == 0 {
|
||||
continue
|
||||
}
|
||||
|
||||
(*hooks)[n] = HookList{}
|
||||
for _, h := range commandHooks {
|
||||
(*hooks)[n] = append((*hooks)[n], h)
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (hooks *Hooks) MarshalJSON() ([]byte, error) {
|
||||
serialize := func(hooks []Hook) (serializableHooks []CommandHook) {
|
||||
for _, hook := range hooks {
|
||||
switch chook := hook.(type) {
|
||||
case CommandHook:
|
||||
serializableHooks = append(serializableHooks, chook)
|
||||
default:
|
||||
logrus.Warnf("cannot serialize hook of type %T, skipping", hook)
|
||||
}
|
||||
}
|
||||
|
||||
return serializableHooks
|
||||
}
|
||||
|
||||
return json.Marshal(map[string]interface{}{
|
||||
"prestart": serialize((*hooks)[Prestart]),
|
||||
"createRuntime": serialize((*hooks)[CreateRuntime]),
|
||||
"createContainer": serialize((*hooks)[CreateContainer]),
|
||||
"startContainer": serialize((*hooks)[StartContainer]),
|
||||
"poststart": serialize((*hooks)[Poststart]),
|
||||
"poststop": serialize((*hooks)[Poststop]),
|
||||
})
|
||||
}
|
||||
|
||||
// Run executes all hooks for the given hook name.
|
||||
func (hooks Hooks) Run(name HookName, state *specs.State) error {
|
||||
list := hooks[name]
|
||||
for i, h := range list {
|
||||
if err := h.Run(state); err != nil {
|
||||
return fmt.Errorf("error running %s hook #%d: %w", name, i, err)
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
type Hook interface {
|
||||
// Run executes the hook with the provided state.
|
||||
Run(*specs.State) error
|
||||
}
|
||||
|
||||
// NewFunctionHook will call the provided function when the hook is run.
|
||||
func NewFunctionHook(f func(*specs.State) error) FuncHook {
|
||||
return FuncHook{
|
||||
run: f,
|
||||
}
|
||||
}
|
||||
|
||||
type FuncHook struct {
|
||||
run func(*specs.State) error
|
||||
}
|
||||
|
||||
func (f FuncHook) Run(s *specs.State) error {
|
||||
return f.run(s)
|
||||
}
|
||||
|
||||
type Command struct {
|
||||
Path string `json:"path"`
|
||||
Args []string `json:"args"`
|
||||
Env []string `json:"env"`
|
||||
Dir string `json:"dir"`
|
||||
Timeout *time.Duration `json:"timeout"`
|
||||
}
|
||||
|
||||
// NewCommandHook will execute the provided command when the hook is run.
|
||||
func NewCommandHook(cmd Command) CommandHook {
|
||||
return CommandHook{
|
||||
Command: cmd,
|
||||
}
|
||||
}
|
||||
|
||||
type CommandHook struct {
|
||||
Command
|
||||
}
|
||||
|
||||
func (c Command) Run(s *specs.State) error {
|
||||
b, err := json.Marshal(s)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
var stdout, stderr bytes.Buffer
|
||||
cmd := exec.Cmd{
|
||||
Path: c.Path,
|
||||
Args: c.Args,
|
||||
Env: c.Env,
|
||||
Stdin: bytes.NewReader(b),
|
||||
Stdout: &stdout,
|
||||
Stderr: &stderr,
|
||||
}
|
||||
if err := cmd.Start(); err != nil {
|
||||
return err
|
||||
}
|
||||
errC := make(chan error, 1)
|
||||
go func() {
|
||||
err := cmd.Wait()
|
||||
if err != nil {
|
||||
err = fmt.Errorf("%w, stdout: %s, stderr: %s", err, stdout.String(), stderr.String())
|
||||
}
|
||||
errC <- err
|
||||
}()
|
||||
var timerCh <-chan time.Time
|
||||
if c.Timeout != nil {
|
||||
timer := time.NewTimer(*c.Timeout)
|
||||
defer timer.Stop()
|
||||
timerCh = timer.C
|
||||
}
|
||||
select {
|
||||
case err := <-errC:
|
||||
return err
|
||||
case <-timerCh:
|
||||
_ = cmd.Process.Kill()
|
||||
<-errC
|
||||
return fmt.Errorf("hook ran past specified timeout of %.1fs", c.Timeout.Seconds())
|
||||
}
|
||||
}
|
97
vendor/github.com/opencontainers/runc/libcontainer/configs/config_linux.go
generated
vendored
Normal file
97
vendor/github.com/opencontainers/runc/libcontainer/configs/config_linux.go
generated
vendored
Normal file
@ -0,0 +1,97 @@
|
||||
package configs
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"math"
|
||||
)
|
||||
|
||||
var (
|
||||
errNoUIDMap = errors.New("user namespaces enabled, but no uid mappings found")
|
||||
errNoGIDMap = errors.New("user namespaces enabled, but no gid mappings found")
|
||||
)
|
||||
|
||||
// Please check https://man7.org/linux/man-pages/man2/personality.2.html for const details.
|
||||
// https://raw.githubusercontent.com/torvalds/linux/master/include/uapi/linux/personality.h
|
||||
const (
|
||||
PerLinux = 0x0000
|
||||
PerLinux32 = 0x0008
|
||||
)
|
||||
|
||||
type LinuxPersonality struct {
|
||||
// Domain for the personality
|
||||
// can only contain values "LINUX" and "LINUX32"
|
||||
Domain int `json:"domain"`
|
||||
}
|
||||
|
||||
// HostUID gets the translated uid for the process on host which could be
|
||||
// different when user namespaces are enabled.
|
||||
func (c Config) HostUID(containerId int) (int, error) {
|
||||
if c.Namespaces.Contains(NEWUSER) {
|
||||
if len(c.UIDMappings) == 0 {
|
||||
return -1, errNoUIDMap
|
||||
}
|
||||
id, found := c.hostIDFromMapping(int64(containerId), c.UIDMappings)
|
||||
if !found {
|
||||
return -1, fmt.Errorf("user namespaces enabled, but no mapping found for uid %d", containerId)
|
||||
}
|
||||
// If we are a 32-bit binary running on a 64-bit system, it's possible
|
||||
// the mapped user is too large to store in an int, which means we
|
||||
// cannot do the mapping. We can't just return an int64, because
|
||||
// os.Setuid() takes an int.
|
||||
if id > math.MaxInt {
|
||||
return -1, fmt.Errorf("mapping for uid %d (host id %d) is larger than native integer size (%d)", containerId, id, math.MaxInt)
|
||||
}
|
||||
return int(id), nil
|
||||
}
|
||||
// Return unchanged id.
|
||||
return containerId, nil
|
||||
}
|
||||
|
||||
// HostRootUID gets the root uid for the process on host which could be non-zero
|
||||
// when user namespaces are enabled.
|
||||
func (c Config) HostRootUID() (int, error) {
|
||||
return c.HostUID(0)
|
||||
}
|
||||
|
||||
// HostGID gets the translated gid for the process on host which could be
|
||||
// different when user namespaces are enabled.
|
||||
func (c Config) HostGID(containerId int) (int, error) {
|
||||
if c.Namespaces.Contains(NEWUSER) {
|
||||
if len(c.GIDMappings) == 0 {
|
||||
return -1, errNoGIDMap
|
||||
}
|
||||
id, found := c.hostIDFromMapping(int64(containerId), c.GIDMappings)
|
||||
if !found {
|
||||
return -1, fmt.Errorf("user namespaces enabled, but no mapping found for gid %d", containerId)
|
||||
}
|
||||
// If we are a 32-bit binary running on a 64-bit system, it's possible
|
||||
// the mapped user is too large to store in an int, which means we
|
||||
// cannot do the mapping. We can't just return an int64, because
|
||||
// os.Setgid() takes an int.
|
||||
if id > math.MaxInt {
|
||||
return -1, fmt.Errorf("mapping for gid %d (host id %d) is larger than native integer size (%d)", containerId, id, math.MaxInt)
|
||||
}
|
||||
return int(id), nil
|
||||
}
|
||||
// Return unchanged id.
|
||||
return containerId, nil
|
||||
}
|
||||
|
||||
// HostRootGID gets the root gid for the process on host which could be non-zero
|
||||
// when user namespaces are enabled.
|
||||
func (c Config) HostRootGID() (int, error) {
|
||||
return c.HostGID(0)
|
||||
}
|
||||
|
||||
// Utility function that gets a host ID for a container ID from user namespace map
|
||||
// if that ID is present in the map.
|
||||
func (c Config) hostIDFromMapping(containerID int64, uMap []IDMap) (int64, bool) {
|
||||
for _, m := range uMap {
|
||||
if (containerID >= m.ContainerID) && (containerID <= (m.ContainerID + m.Size - 1)) {
|
||||
hostID := m.HostID + (containerID - m.ContainerID)
|
||||
return hostID, true
|
||||
}
|
||||
}
|
||||
return -1, false
|
||||
}
|
9
vendor/github.com/opencontainers/runc/libcontainer/configs/configs_fuzzer.go
generated
vendored
Normal file
9
vendor/github.com/opencontainers/runc/libcontainer/configs/configs_fuzzer.go
generated
vendored
Normal file
@ -0,0 +1,9 @@
|
||||
//go:build gofuzz
|
||||
|
||||
package configs
|
||||
|
||||
func FuzzUnmarshalJSON(data []byte) int {
|
||||
hooks := Hooks{}
|
||||
_ = hooks.UnmarshalJSON(data)
|
||||
return 1
|
||||
}
|
9
vendor/github.com/opencontainers/runc/libcontainer/configs/hugepage_limit.go
generated
vendored
Normal file
9
vendor/github.com/opencontainers/runc/libcontainer/configs/hugepage_limit.go
generated
vendored
Normal file
@ -0,0 +1,9 @@
|
||||
package configs
|
||||
|
||||
type HugepageLimit struct {
|
||||
// which type of hugepage to limit.
|
||||
Pagesize string `json:"page_size"`
|
||||
|
||||
// usage limit for hugepage.
|
||||
Limit uint64 `json:"limit"`
|
||||
}
|
16
vendor/github.com/opencontainers/runc/libcontainer/configs/intelrdt.go
generated
vendored
Normal file
16
vendor/github.com/opencontainers/runc/libcontainer/configs/intelrdt.go
generated
vendored
Normal file
@ -0,0 +1,16 @@
|
||||
package configs
|
||||
|
||||
type IntelRdt 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:"l3_cache_schema,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"`
|
||||
}
|
14
vendor/github.com/opencontainers/runc/libcontainer/configs/interface_priority_map.go
generated
vendored
Normal file
14
vendor/github.com/opencontainers/runc/libcontainer/configs/interface_priority_map.go
generated
vendored
Normal file
@ -0,0 +1,14 @@
|
||||
package configs
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
)
|
||||
|
||||
type IfPrioMap struct {
|
||||
Interface string `json:"interface"`
|
||||
Priority int64 `json:"priority"`
|
||||
}
|
||||
|
||||
func (i *IfPrioMap) CgroupString() string {
|
||||
return fmt.Sprintf("%s %d", i.Interface, i.Priority)
|
||||
}
|
7
vendor/github.com/opencontainers/runc/libcontainer/configs/mount.go
generated
vendored
Normal file
7
vendor/github.com/opencontainers/runc/libcontainer/configs/mount.go
generated
vendored
Normal file
@ -0,0 +1,7 @@
|
||||
package configs
|
||||
|
||||
const (
|
||||
// EXT_COPYUP is a directive to copy up the contents of a directory when
|
||||
// a tmpfs is mounted over it.
|
||||
EXT_COPYUP = 1 << iota //nolint:golint,revive // ignore "don't use ALL_CAPS" warning
|
||||
)
|
66
vendor/github.com/opencontainers/runc/libcontainer/configs/mount_linux.go
generated
vendored
Normal file
66
vendor/github.com/opencontainers/runc/libcontainer/configs/mount_linux.go
generated
vendored
Normal file
@ -0,0 +1,66 @@
|
||||
package configs
|
||||
|
||||
import "golang.org/x/sys/unix"
|
||||
|
||||
type MountIDMapping struct {
|
||||
// Recursive indicates if the mapping needs to be recursive.
|
||||
Recursive bool `json:"recursive"`
|
||||
|
||||
// UserNSPath is a path to a user namespace that indicates the necessary
|
||||
// id-mappings for MOUNT_ATTR_IDMAP. If set to non-"", UIDMappings and
|
||||
// GIDMappings must be set to nil.
|
||||
UserNSPath string `json:"userns_path,omitempty"`
|
||||
|
||||
// UIDMappings is the uid mapping set for this mount, to be used with
|
||||
// MOUNT_ATTR_IDMAP.
|
||||
UIDMappings []IDMap `json:"uid_mappings,omitempty"`
|
||||
|
||||
// GIDMappings is the gid mapping set for this mount, to be used with
|
||||
// MOUNT_ATTR_IDMAP.
|
||||
GIDMappings []IDMap `json:"gid_mappings,omitempty"`
|
||||
}
|
||||
|
||||
type Mount struct {
|
||||
// Source path for the mount.
|
||||
Source string `json:"source"`
|
||||
|
||||
// Destination path for the mount inside the container.
|
||||
Destination string `json:"destination"`
|
||||
|
||||
// Device the mount is for.
|
||||
Device string `json:"device"`
|
||||
|
||||
// Mount flags.
|
||||
Flags int `json:"flags"`
|
||||
|
||||
// Mount flags that were explicitly cleared in the configuration (meaning
|
||||
// the user explicitly requested that these flags *not* be set).
|
||||
ClearedFlags int `json:"cleared_flags"`
|
||||
|
||||
// Propagation Flags
|
||||
PropagationFlags []int `json:"propagation_flags"`
|
||||
|
||||
// Mount data applied to the mount.
|
||||
Data string `json:"data"`
|
||||
|
||||
// Relabel source if set, "z" indicates shared, "Z" indicates unshared.
|
||||
Relabel string `json:"relabel"`
|
||||
|
||||
// RecAttr represents mount properties to be applied recursively (AT_RECURSIVE), see mount_setattr(2).
|
||||
RecAttr *unix.MountAttr `json:"rec_attr"`
|
||||
|
||||
// Extensions are additional flags that are specific to runc.
|
||||
Extensions int `json:"extensions"`
|
||||
|
||||
// Mapping is the MOUNT_ATTR_IDMAP configuration for the mount. If non-nil,
|
||||
// the mount is configured to use MOUNT_ATTR_IDMAP-style id mappings.
|
||||
IDMapping *MountIDMapping `json:"id_mapping,omitempty"`
|
||||
}
|
||||
|
||||
func (m *Mount) IsBind() bool {
|
||||
return m.Flags&unix.MS_BIND != 0
|
||||
}
|
||||
|
||||
func (m *Mount) IsIDMapped() bool {
|
||||
return m.IDMapping != nil
|
||||
}
|
9
vendor/github.com/opencontainers/runc/libcontainer/configs/mount_unsupported.go
generated
vendored
Normal file
9
vendor/github.com/opencontainers/runc/libcontainer/configs/mount_unsupported.go
generated
vendored
Normal file
@ -0,0 +1,9 @@
|
||||
//go:build !linux
|
||||
|
||||
package configs
|
||||
|
||||
type Mount struct{}
|
||||
|
||||
func (m *Mount) IsBind() bool {
|
||||
return false
|
||||
}
|
5
vendor/github.com/opencontainers/runc/libcontainer/configs/namespaces.go
generated
vendored
Normal file
5
vendor/github.com/opencontainers/runc/libcontainer/configs/namespaces.go
generated
vendored
Normal file
@ -0,0 +1,5 @@
|
||||
package configs
|
||||
|
||||
type NamespaceType string
|
||||
|
||||
type Namespaces []Namespace
|
133
vendor/github.com/opencontainers/runc/libcontainer/configs/namespaces_linux.go
generated
vendored
Normal file
133
vendor/github.com/opencontainers/runc/libcontainer/configs/namespaces_linux.go
generated
vendored
Normal file
@ -0,0 +1,133 @@
|
||||
package configs
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"os"
|
||||
"sync"
|
||||
)
|
||||
|
||||
const (
|
||||
NEWNET NamespaceType = "NEWNET"
|
||||
NEWPID NamespaceType = "NEWPID"
|
||||
NEWNS NamespaceType = "NEWNS"
|
||||
NEWUTS NamespaceType = "NEWUTS"
|
||||
NEWIPC NamespaceType = "NEWIPC"
|
||||
NEWUSER NamespaceType = "NEWUSER"
|
||||
NEWCGROUP NamespaceType = "NEWCGROUP"
|
||||
NEWTIME NamespaceType = "NEWTIME"
|
||||
)
|
||||
|
||||
var (
|
||||
nsLock sync.Mutex
|
||||
supportedNamespaces = make(map[NamespaceType]bool)
|
||||
)
|
||||
|
||||
// NsName converts the namespace type to its filename
|
||||
func NsName(ns NamespaceType) string {
|
||||
switch ns {
|
||||
case NEWNET:
|
||||
return "net"
|
||||
case NEWNS:
|
||||
return "mnt"
|
||||
case NEWPID:
|
||||
return "pid"
|
||||
case NEWIPC:
|
||||
return "ipc"
|
||||
case NEWUSER:
|
||||
return "user"
|
||||
case NEWUTS:
|
||||
return "uts"
|
||||
case NEWCGROUP:
|
||||
return "cgroup"
|
||||
case NEWTIME:
|
||||
return "time"
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
// IsNamespaceSupported returns whether a namespace is available or
|
||||
// not
|
||||
func IsNamespaceSupported(ns NamespaceType) bool {
|
||||
nsLock.Lock()
|
||||
defer nsLock.Unlock()
|
||||
supported, ok := supportedNamespaces[ns]
|
||||
if ok {
|
||||
return supported
|
||||
}
|
||||
nsFile := NsName(ns)
|
||||
// if the namespace type is unknown, just return false
|
||||
if nsFile == "" {
|
||||
return false
|
||||
}
|
||||
// We don't need to use /proc/thread-self here because the list of
|
||||
// namespace types is unrelated to the thread. This lets us avoid having to
|
||||
// do runtime.LockOSThread.
|
||||
_, err := os.Stat("/proc/self/ns/" + nsFile)
|
||||
// a namespace is supported if it exists and we have permissions to read it
|
||||
supported = err == nil
|
||||
supportedNamespaces[ns] = supported
|
||||
return supported
|
||||
}
|
||||
|
||||
func NamespaceTypes() []NamespaceType {
|
||||
return []NamespaceType{
|
||||
NEWUSER, // Keep user NS always first, don't move it.
|
||||
NEWIPC,
|
||||
NEWUTS,
|
||||
NEWNET,
|
||||
NEWPID,
|
||||
NEWNS,
|
||||
NEWCGROUP,
|
||||
NEWTIME,
|
||||
}
|
||||
}
|
||||
|
||||
// Namespace defines configuration for each namespace. It specifies an
|
||||
// alternate path that is able to be joined via setns.
|
||||
type Namespace struct {
|
||||
Type NamespaceType `json:"type"`
|
||||
Path string `json:"path"`
|
||||
}
|
||||
|
||||
func (n *Namespace) GetPath(pid int) string {
|
||||
return fmt.Sprintf("/proc/%d/ns/%s", pid, NsName(n.Type))
|
||||
}
|
||||
|
||||
func (n *Namespaces) Remove(t NamespaceType) bool {
|
||||
i := n.index(t)
|
||||
if i == -1 {
|
||||
return false
|
||||
}
|
||||
*n = append((*n)[:i], (*n)[i+1:]...)
|
||||
return true
|
||||
}
|
||||
|
||||
func (n *Namespaces) Add(t NamespaceType, path string) {
|
||||
i := n.index(t)
|
||||
if i == -1 {
|
||||
*n = append(*n, Namespace{Type: t, Path: path})
|
||||
return
|
||||
}
|
||||
(*n)[i].Path = path
|
||||
}
|
||||
|
||||
func (n *Namespaces) index(t NamespaceType) int {
|
||||
for i, ns := range *n {
|
||||
if ns.Type == t {
|
||||
return i
|
||||
}
|
||||
}
|
||||
return -1
|
||||
}
|
||||
|
||||
func (n *Namespaces) Contains(t NamespaceType) bool {
|
||||
return n.index(t) != -1
|
||||
}
|
||||
|
||||
func (n *Namespaces) PathOf(t NamespaceType) string {
|
||||
i := n.index(t)
|
||||
if i == -1 {
|
||||
return ""
|
||||
}
|
||||
return (*n)[i].Path
|
||||
}
|
45
vendor/github.com/opencontainers/runc/libcontainer/configs/namespaces_syscall.go
generated
vendored
Normal file
45
vendor/github.com/opencontainers/runc/libcontainer/configs/namespaces_syscall.go
generated
vendored
Normal file
@ -0,0 +1,45 @@
|
||||
//go:build linux
|
||||
|
||||
package configs
|
||||
|
||||
import "golang.org/x/sys/unix"
|
||||
|
||||
func (n *Namespace) Syscall() int {
|
||||
return namespaceInfo[n.Type]
|
||||
}
|
||||
|
||||
var namespaceInfo = map[NamespaceType]int{
|
||||
NEWNET: unix.CLONE_NEWNET,
|
||||
NEWNS: unix.CLONE_NEWNS,
|
||||
NEWUSER: unix.CLONE_NEWUSER,
|
||||
NEWIPC: unix.CLONE_NEWIPC,
|
||||
NEWUTS: unix.CLONE_NEWUTS,
|
||||
NEWPID: unix.CLONE_NEWPID,
|
||||
NEWCGROUP: unix.CLONE_NEWCGROUP,
|
||||
NEWTIME: unix.CLONE_NEWTIME,
|
||||
}
|
||||
|
||||
// CloneFlags parses the container's Namespaces options to set the correct
|
||||
// flags on clone, unshare. This function returns flags only for new namespaces.
|
||||
func (n *Namespaces) CloneFlags() uintptr {
|
||||
var flag int
|
||||
for _, v := range *n {
|
||||
if v.Path != "" {
|
||||
continue
|
||||
}
|
||||
flag |= namespaceInfo[v.Type]
|
||||
}
|
||||
return uintptr(flag)
|
||||
}
|
||||
|
||||
// IsPrivate tells whether the namespace of type t is configured as private
|
||||
// (i.e. it exists and is not shared).
|
||||
func (n Namespaces) IsPrivate(t NamespaceType) bool {
|
||||
for _, v := range n {
|
||||
if v.Type == t {
|
||||
return v.Path == ""
|
||||
}
|
||||
}
|
||||
// Not found, so implicitly sharing a parent namespace.
|
||||
return false
|
||||
}
|
13
vendor/github.com/opencontainers/runc/libcontainer/configs/namespaces_syscall_unsupported.go
generated
vendored
Normal file
13
vendor/github.com/opencontainers/runc/libcontainer/configs/namespaces_syscall_unsupported.go
generated
vendored
Normal file
@ -0,0 +1,13 @@
|
||||
//go:build !linux && !windows
|
||||
|
||||
package configs
|
||||
|
||||
func (n *Namespace) Syscall() int {
|
||||
panic("No namespace syscall support")
|
||||
}
|
||||
|
||||
// CloneFlags parses the container's Namespaces options to set the correct
|
||||
// flags on clone, unshare. This function returns flags only for new namespaces.
|
||||
func (n *Namespaces) CloneFlags() uintptr {
|
||||
panic("No namespace syscall support")
|
||||
}
|
7
vendor/github.com/opencontainers/runc/libcontainer/configs/namespaces_unsupported.go
generated
vendored
Normal file
7
vendor/github.com/opencontainers/runc/libcontainer/configs/namespaces_unsupported.go
generated
vendored
Normal file
@ -0,0 +1,7 @@
|
||||
//go:build !linux
|
||||
|
||||
package configs
|
||||
|
||||
// Namespace defines configuration for each namespace. It specifies an
|
||||
// alternate path that is able to be joined via setns.
|
||||
type Namespace struct{}
|
75
vendor/github.com/opencontainers/runc/libcontainer/configs/network.go
generated
vendored
Normal file
75
vendor/github.com/opencontainers/runc/libcontainer/configs/network.go
generated
vendored
Normal file
@ -0,0 +1,75 @@
|
||||
package configs
|
||||
|
||||
// Network defines configuration for a container's networking stack
|
||||
//
|
||||
// The network configuration can be omitted from a container causing the
|
||||
// container to be setup with the host's networking stack
|
||||
type Network struct {
|
||||
// Type sets the networks type, commonly veth and loopback
|
||||
Type string `json:"type"`
|
||||
|
||||
// Name of the network interface
|
||||
Name string `json:"name"`
|
||||
|
||||
// The bridge to use.
|
||||
Bridge string `json:"bridge"`
|
||||
|
||||
// MacAddress contains the MAC address to set on the network interface
|
||||
MacAddress string `json:"mac_address"`
|
||||
|
||||
// Address contains the IPv4 and mask to set on the network interface
|
||||
Address string `json:"address"`
|
||||
|
||||
// Gateway sets the gateway address that is used as the default for the interface
|
||||
Gateway string `json:"gateway"`
|
||||
|
||||
// IPv6Address contains the IPv6 and mask to set on the network interface
|
||||
IPv6Address string `json:"ipv6_address"`
|
||||
|
||||
// IPv6Gateway sets the ipv6 gateway address that is used as the default for the interface
|
||||
IPv6Gateway string `json:"ipv6_gateway"`
|
||||
|
||||
// Mtu sets the mtu value for the interface and will be mirrored on both the host and
|
||||
// container's interfaces if a pair is created, specifically in the case of type veth
|
||||
// Note: This does not apply to loopback interfaces.
|
||||
Mtu int `json:"mtu"`
|
||||
|
||||
// TxQueueLen sets the tx_queuelen value for the interface and will be mirrored on both the host and
|
||||
// container's interfaces if a pair is created, specifically in the case of type veth
|
||||
// Note: This does not apply to loopback interfaces.
|
||||
TxQueueLen int `json:"txqueuelen"`
|
||||
|
||||
// HostInterfaceName is a unique name of a veth pair that resides on in the host interface of the
|
||||
// container.
|
||||
HostInterfaceName string `json:"host_interface_name"`
|
||||
|
||||
// HairpinMode specifies if hairpin NAT should be enabled on the virtual interface
|
||||
// bridge port in the case of type veth
|
||||
// Note: This is unsupported on some systems.
|
||||
// Note: This does not apply to loopback interfaces.
|
||||
HairpinMode bool `json:"hairpin_mode"`
|
||||
}
|
||||
|
||||
// Route defines a routing table entry.
|
||||
//
|
||||
// Routes can be specified to create entries in the routing table as the container
|
||||
// is started.
|
||||
//
|
||||
// All of destination, source, and gateway should be either IPv4 or IPv6.
|
||||
// One of the three options must be present, and omitted entries will use their
|
||||
// IP family default for the route table. For IPv4 for example, setting the
|
||||
// gateway to 1.2.3.4 and the interface to eth0 will set up a standard
|
||||
// destination of 0.0.0.0(or *) when viewed in the route table.
|
||||
type Route struct {
|
||||
// Destination specifies the destination IP address and mask in the CIDR form.
|
||||
Destination string `json:"destination"`
|
||||
|
||||
// Source specifies the source IP address and mask in the CIDR form.
|
||||
Source string `json:"source"`
|
||||
|
||||
// Gateway specifies the gateway IP address.
|
||||
Gateway string `json:"gateway"`
|
||||
|
||||
// InterfaceName specifies the device to set this route up for, for example eth0.
|
||||
InterfaceName string `json:"interface_name"`
|
||||
}
|
9
vendor/github.com/opencontainers/runc/libcontainer/configs/rdma.go
generated
vendored
Normal file
9
vendor/github.com/opencontainers/runc/libcontainer/configs/rdma.go
generated
vendored
Normal file
@ -0,0 +1,9 @@
|
||||
package configs
|
||||
|
||||
// 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:"hca_handles,omitempty"`
|
||||
// Maximum number of HCA objects that can be created. Default is "no limit".
|
||||
HcaObjects *uint32 `json:"hca_objects,omitempty"`
|
||||
}
|
Reference in New Issue
Block a user