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path: root/cmd/kpod/spec.go
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Diffstat (limited to 'cmd/kpod/spec.go')
-rw-r--r--cmd/kpod/spec.go277
1 files changed, 52 insertions, 225 deletions
diff --git a/cmd/kpod/spec.go b/cmd/kpod/spec.go
index 54a532803..abb1cba5b 100644
--- a/cmd/kpod/spec.go
+++ b/cmd/kpod/spec.go
@@ -2,12 +2,12 @@ package main
import (
"encoding/json"
- "fmt"
"io/ioutil"
"strings"
"github.com/docker/docker/daemon/caps"
spec "github.com/opencontainers/runtime-spec/specs-go"
+ "github.com/opencontainers/runtime-tools/generate"
"github.com/pkg/errors"
"github.com/projectatomic/libpod/libpod"
ann "github.com/projectatomic/libpod/pkg/annotations"
@@ -21,7 +21,7 @@ func setupCapabilities(config *createConfig, configSpec *spec.Spec) error {
if config.privileged {
caplist = caps.GetAllCapabilities()
} else {
- caplist, err = caps.TweakCapabilities(defaultCapabilities(), config.capAdd, config.capDrop)
+ caplist, err = caps.TweakCapabilities(configSpec.Process.Capabilities.Bounding, config.capAdd, config.capDrop)
if err != nil {
return err
}
@@ -36,84 +36,82 @@ func setupCapabilities(config *createConfig, configSpec *spec.Spec) error {
// Parses information needed to create a container into an OCI runtime spec
func createConfigToOCISpec(config *createConfig) (*spec.Spec, error) {
- configSpec := config.GetDefaultLinuxSpec()
- configSpec.Process.Cwd = config.workDir
- configSpec.Process.Args = config.command
-
- configSpec.Process.Terminal = config.tty
-
+ g := generate.New()
+ g.SetProcessCwd(config.workDir)
+ g.SetProcessArgs(config.command)
+ g.SetProcessTerminal(config.tty)
// User and Group must go together
- configSpec.Process.User.UID = config.user
- configSpec.Process.User.GID = config.group
- configSpec.Process.User.AdditionalGids = config.groupAdd
-
- configSpec.Process.Env = config.env
-
- configSpec.Root.Readonly = config.readOnlyRootfs
- configSpec.Hostname = config.hostname
-
- // BIND MOUNTS
- configSpec.Mounts = append(configSpec.Mounts, config.GetVolumeMounts()...)
+ g.SetProcessUID(config.user)
+ g.SetProcessGID(config.group)
+ for _, gid := range config.groupAdd {
+ g.AddProcessAdditionalGid(gid)
+ }
+ for key, val := range config.GetAnnotations() {
+ g.AddAnnotation(key, val)
+ }
+ g.SetRootReadonly(config.readOnlyRootfs)
+ g.SetHostname(config.hostname)
- // TMPFS MOUNTS
- configSpec.Mounts = append(configSpec.Mounts, config.GetTmpfsMounts()...)
+ for _, sysctl := range config.sysctl {
+ s := strings.SplitN(sysctl, "=", 2)
+ g.AddLinuxSysctl(s[0], s[1])
+ }
// RESOURCES - MEMORY
- configSpec.Linux.Sysctl = config.sysctl
-
if config.resources.memory != 0 {
- configSpec.Linux.Resources.Memory.Limit = &config.resources.memory
+ g.SetLinuxResourcesMemoryLimit(config.resources.memory)
}
if config.resources.memoryReservation != 0 {
- configSpec.Linux.Resources.Memory.Reservation = &config.resources.memoryReservation
+ g.SetLinuxResourcesMemoryReservation(config.resources.memoryReservation)
}
if config.resources.memorySwap != 0 {
- configSpec.Linux.Resources.Memory.Swap = &config.resources.memorySwap
+ g.SetLinuxResourcesMemorySwap(config.resources.memorySwap)
}
if config.resources.kernelMemory != 0 {
- configSpec.Linux.Resources.Memory.Kernel = &config.resources.kernelMemory
+ g.SetLinuxResourcesMemoryKernel(config.resources.kernelMemory)
}
if config.resources.memorySwapiness != 0 {
- configSpec.Linux.Resources.Memory.Swappiness = &config.resources.memorySwapiness
- }
- if config.resources.disableOomKiller {
- configSpec.Linux.Resources.Memory.DisableOOMKiller = &config.resources.disableOomKiller
+ g.SetLinuxResourcesMemorySwappiness(config.resources.memorySwapiness)
}
+ g.SetLinuxResourcesMemoryDisableOOMKiller(config.resources.disableOomKiller)
// RESOURCES - CPU
if config.resources.cpuShares != 0 {
- configSpec.Linux.Resources.CPU.Shares = &config.resources.cpuShares
+ g.SetLinuxResourcesCPUShares(config.resources.cpuShares)
}
if config.resources.cpuQuota != 0 {
- configSpec.Linux.Resources.CPU.Quota = &config.resources.cpuQuota
+ g.SetLinuxResourcesCPUQuota(config.resources.cpuQuota)
}
if config.resources.cpuPeriod != 0 {
- configSpec.Linux.Resources.CPU.Period = &config.resources.cpuPeriod
+ g.SetLinuxResourcesCPUPeriod(config.resources.cpuPeriod)
}
if config.resources.cpuRtRuntime != 0 {
- configSpec.Linux.Resources.CPU.RealtimeRuntime = &config.resources.cpuRtRuntime
+ g.SetLinuxResourcesCPURealtimeRuntime(config.resources.cpuRtRuntime)
}
if config.resources.cpuRtPeriod != 0 {
- configSpec.Linux.Resources.CPU.RealtimePeriod = &config.resources.cpuRtPeriod
+ g.SetLinuxResourcesCPURealtimePeriod(config.resources.cpuRtPeriod)
}
if config.resources.cpus != "" {
- configSpec.Linux.Resources.CPU.Cpus = config.resources.cpus
+ g.SetLinuxResourcesCPUCpus(config.resources.cpus)
}
if config.resources.cpusetMems != "" {
- configSpec.Linux.Resources.CPU.Mems = config.resources.cpusetMems
+ g.SetLinuxResourcesCPUMems(config.resources.cpusetMems)
}
+ // SECURITY OPTS
+ g.SetProcessNoNewPrivileges(config.noNewPrivileges)
+ g.SetProcessApparmorProfile(config.apparmorProfile)
+ g.SetProcessSelinuxLabel(config.processLabel)
+ g.SetLinuxMountLabel(config.mountLabel)
+
// RESOURCES - PIDS
if config.resources.pidsLimit != 0 {
- configSpec.Linux.Resources.Pids.Limit = config.resources.pidsLimit
+ g.SetLinuxResourcesPidsLimit(config.resources.pidsLimit)
}
- // SECURITY OPTS
- configSpec.Process.NoNewPrivileges = config.noNewPrivileges
- configSpec.Process.ApparmorProfile = config.apparmorProfile
- configSpec.Process.SelinuxLabel = config.processLabel
- configSpec.Linux.MountLabel = config.mountLabel
+ configSpec := g.Spec()
+
if config.seccompProfilePath != "" && config.seccompProfilePath != "unconfined" {
seccompProfile, err := ioutil.ReadFile(config.seccompProfilePath)
if err != nil {
@@ -126,8 +124,16 @@ func createConfigToOCISpec(config *createConfig) (*spec.Spec, error) {
configSpec.Linux.Seccomp = &seccompConfig
}
+ configSpec.Process.Env = config.env
+
+ // BIND MOUNTS
+ configSpec.Mounts = append(configSpec.Mounts, config.GetVolumeMounts()...)
+
+ // TMPFS MOUNTS
+ configSpec.Mounts = append(configSpec.Mounts, config.GetTmpfsMounts()...)
+
// HANDLE CAPABILITIES
- if err := setupCapabilities(config, &configSpec); err != nil {
+ if err := setupCapabilities(config, configSpec); err != nil {
return nil, err
}
@@ -159,12 +165,11 @@ func createConfigToOCISpec(config *createConfig) (*spec.Spec, error) {
// RootfsPropagation
// MaskedPaths
// ReadonlyPaths:
- // MountLabel
// IntelRdt
},
}
*/
- return &configSpec, nil
+ return configSpec, nil
}
func (c *createConfig) CreateBlockIO() (spec.LinuxBlockIO, error) {
@@ -218,184 +223,6 @@ func (c *createConfig) CreateBlockIO() (spec.LinuxBlockIO, error) {
return bio, nil
}
-func (c *createConfig) GetDefaultMounts() []spec.Mount {
- // Default to 64K default per man page
- shmSize := "65536k"
- if c.resources.shmSize != "" {
- shmSize = c.resources.shmSize
- }
- return []spec.Mount{
- {
- Destination: "/proc",
- Type: "proc",
- Source: "proc",
- Options: []string{"nosuid", "noexec", "nodev"},
- },
- {
- Destination: "/dev",
- Type: "tmpfs",
- Source: "tmpfs",
- Options: []string{"nosuid", "strictatime", "mode=755", "size=65536k"},
- },
- {
- Destination: "/dev/pts",
- Type: "devpts",
- Source: "devpts",
- Options: []string{"nosuid", "noexec", "newinstance", "ptmxmode=0666", "mode=0620", "gid=5"},
- },
- {
- Destination: "/sys",
- Type: "sysfs",
- Source: "sysfs",
- Options: []string{"nosuid", "noexec", "nodev", "ro"},
- },
- {
- Destination: "/sys/fs/cgroup",
- Type: "cgroup",
- Source: "cgroup",
- Options: []string{"ro", "nosuid", "noexec", "nodev"},
- },
- {
- Destination: "/dev/mqueue",
- Type: "mqueue",
- Source: "mqueue",
- Options: []string{"nosuid", "noexec", "nodev"},
- },
- {
- Destination: "/dev/shm",
- Type: "tmpfs",
- Source: "shm",
- Options: []string{"nosuid", "noexec", "nodev", "mode=1777", fmt.Sprintf("size=%s", shmSize)},
- },
- }
-}
-
-func iPtr(i int64) *int64 { return &i }
-
-func (c *createConfig) GetDefaultDevices() []spec.LinuxDeviceCgroup {
- return []spec.LinuxDeviceCgroup{
- {
- Allow: false,
- Access: "rwm",
- },
- {
- Allow: true,
- Type: "c",
- Major: iPtr(1),
- Minor: iPtr(5),
- Access: "rwm",
- },
- {
- Allow: true,
- Type: "c",
- Major: iPtr(1),
- Minor: iPtr(3),
- Access: "rwm",
- },
- {
- Allow: true,
- Type: "c",
- Major: iPtr(1),
- Minor: iPtr(9),
- Access: "rwm",
- },
- {
- Allow: true,
- Type: "c",
- Major: iPtr(1),
- Minor: iPtr(8),
- Access: "rwm",
- },
- {
- Allow: true,
- Type: "c",
- Major: iPtr(5),
- Minor: iPtr(0),
- Access: "rwm",
- },
- {
- Allow: true,
- Type: "c",
- Major: iPtr(5),
- Minor: iPtr(1),
- Access: "rwm",
- },
- {
- Allow: false,
- Type: "c",
- Major: iPtr(10),
- Minor: iPtr(229),
- Access: "rwm",
- },
- }
-}
-
-func defaultCapabilities() []string {
- return []string{
- "CAP_CHOWN",
- "CAP_DAC_OVERRIDE",
- "CAP_FSETID",
- "CAP_FOWNER",
- "CAP_MKNOD",
- "CAP_NET_RAW",
- "CAP_SETGID",
- "CAP_SETUID",
- "CAP_SETFCAP",
- "CAP_SETPCAP",
- "CAP_NET_BIND_SERVICE",
- "CAP_SYS_CHROOT",
- "CAP_KILL",
- "CAP_AUDIT_WRITE",
- }
-}
-
-func (c *createConfig) GetDefaultLinuxSpec() spec.Spec {
- s := spec.Spec{
- Version: spec.Version,
- Root: &spec.Root{},
- }
- s.Annotations = c.GetAnnotations()
- s.Mounts = c.GetDefaultMounts()
- s.Process = &spec.Process{
- Capabilities: &spec.LinuxCapabilities{
- Bounding: defaultCapabilities(),
- Permitted: defaultCapabilities(),
- Inheritable: defaultCapabilities(),
- Effective: defaultCapabilities(),
- },
- }
- s.Linux = &spec.Linux{
- MaskedPaths: []string{
- "/proc/kcore",
- "/proc/latency_stats",
- "/proc/timer_list",
- "/proc/timer_stats",
- "/proc/sched_debug",
- },
- ReadonlyPaths: []string{
- "/proc/asound",
- "/proc/bus",
- "/proc/fs",
- "/proc/irq",
- "/proc/sys",
- "/proc/sysrq-trigger",
- },
- Namespaces: []spec.LinuxNamespace{
- {Type: "mount"},
- {Type: "network"},
- {Type: "uts"},
- {Type: "pid"},
- {Type: "ipc"},
- },
- Devices: []spec.LinuxDevice{},
- Resources: &spec.LinuxResources{
- Devices: c.GetDefaultDevices(),
- },
- }
-
- return s
-}
-
// GetAnnotations returns the all the annotations for the container
func (c *createConfig) GetAnnotations() map[string]string {
a := getDefaultAnnotations()
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-11-07 03:40:08 +0000