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Add env cache.

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Signed-off-by: Lantao Liu <lantaol@google.com>
This commit is contained in:
Lantao Liu
2019-02-12 02:50:53 -08:00
parent 89717d0b63
commit ec6dd37691
4 changed files with 110 additions and 19 deletions
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27
pkg/server/container_create.go
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@@ -35,7 +35,6 @@ import (
imagespec "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/opencontainers/runc/libcontainer/devices"
runtimespec "github.com/opencontainers/runtime-spec/specs-go"
"github.com/opencontainers/runtime-tools/generate"
"github.com/opencontainers/runtime-tools/validate"
"github.com/opencontainers/selinux/go-selinux/label"
"github.com/pkg/errors"
@@ -518,7 +517,7 @@ func (c *criService) generateContainerMounts(sandboxID string, config *runtime.C
// setOCIProcessArgs sets process args. It returns error if the final arg list
// is empty.
func setOCIProcessArgs(g *generate.Generator, config *runtime.ContainerConfig, imageConfig *imagespec.ImageConfig) error {
func setOCIProcessArgs(g *generator, config *runtime.ContainerConfig, imageConfig *imagespec.ImageConfig) error {
command, args := config.GetCommand(), config.GetArgs()
// The following logic is migrated from https://github.com/moby/moby/blob/master/daemon/commit.go
// TODO(random-liu): Clearly define the commands overwrite behavior.
@@ -540,7 +539,7 @@ func setOCIProcessArgs(g *generate.Generator, config *runtime.ContainerConfig, i
// addImageEnvs adds environment variables from image config. It returns error if
// an invalid environment variable is encountered.
func addImageEnvs(g *generate.Generator, imageEnvs []string) error {
func addImageEnvs(g *generator, imageEnvs []string) error {
for _, e := range imageEnvs {
kv := strings.SplitN(e, "=", 2)
if len(kv) != 2 {
@@ -551,7 +550,7 @@ func addImageEnvs(g *generate.Generator, imageEnvs []string) error {
return nil
}
func setOCIPrivileged(g *generate.Generator, config *runtime.ContainerConfig) error {
func setOCIPrivileged(g *generator, config *runtime.ContainerConfig) error {
// Add all capabilities in privileged mode.
g.SetupPrivileged(true)
setOCIBindMountsPrivileged(g)
@@ -572,7 +571,7 @@ func clearReadOnly(m *runtimespec.Mount) {
}
// addDevices set device mapping without privilege.
func (c *criService) addOCIDevices(g *generate.Generator, devs []*runtime.Device) error {
func (c *criService) addOCIDevices(g *generator, devs []*runtime.Device) error {
spec := g.Config
for _, device := range devs {
path, err := c.os.ResolveSymbolicLink(device.HostPath)
@@ -604,7 +603,7 @@ func (c *criService) addOCIDevices(g *generate.Generator, devs []*runtime.Device
}
// addDevices set device mapping with privilege.
func setOCIDevicesPrivileged(g *generate.Generator) error {
func setOCIDevicesPrivileged(g *generator) error {
spec := g.Config
hostDevices, err := devices.HostDevices()
if err != nil {
@@ -635,7 +634,7 @@ func setOCIDevicesPrivileged(g *generate.Generator) error {
}
// addOCIBindMounts adds bind mounts.
func (c *criService) addOCIBindMounts(g *generate.Generator, mounts []*runtime.Mount, mountLabel string) error {
func (c *criService) addOCIBindMounts(g *generator, mounts []*runtime.Mount, mountLabel string) error {
// Sort mounts in number of parts. This ensures that high level mounts don't
// shadow other mounts.
sort.Sort(orderedMounts(mounts))
@@ -740,7 +739,7 @@ func (c *criService) addOCIBindMounts(g *generate.Generator, mounts []*runtime.M
return nil
}
func setOCIBindMountsPrivileged(g *generate.Generator) {
func setOCIBindMountsPrivileged(g *generator) {
spec := g.Config
// clear readonly for /sys and cgroup
for i, m := range spec.Mounts {
@@ -756,7 +755,7 @@ func setOCIBindMountsPrivileged(g *generate.Generator) {
}
// setOCILinuxResourceCgroup set container cgroup resource limit.
func setOCILinuxResourceCgroup(g *generate.Generator, resources *runtime.LinuxContainerResources) {
func setOCILinuxResourceCgroup(g *generator, resources *runtime.LinuxContainerResources) {
if resources == nil {
return
}
@@ -769,7 +768,7 @@ func setOCILinuxResourceCgroup(g *generate.Generator, resources *runtime.LinuxCo
}
// setOCILinuxResourceOOMScoreAdj set container OOMScoreAdj resource limit.
func setOCILinuxResourceOOMScoreAdj(g *generate.Generator, resources *runtime.LinuxContainerResources, restrictOOMScoreAdjFlag bool) error {
func setOCILinuxResourceOOMScoreAdj(g *generator, resources *runtime.LinuxContainerResources, restrictOOMScoreAdjFlag bool) error {
if resources == nil {
return nil
}
@@ -799,7 +798,7 @@ func getOCICapabilitiesList() []string {
}
// Adds capabilities to all sets relevant to root (bounding, permitted, effective, inheritable)
func addProcessRootCapability(g *generate.Generator, c string) error {
func addProcessRootCapability(g *generator, c string) error {
if err := g.AddProcessCapabilityBounding(c); err != nil {
return err
}
@@ -816,7 +815,7 @@ func addProcessRootCapability(g *generate.Generator, c string) error {
}
// Drops capabilities to all sets relevant to root (bounding, permitted, effective, inheritable)
func dropProcessRootCapability(g *generate.Generator, c string) error {
func dropProcessRootCapability(g *generator, c string) error {
if err := g.DropProcessCapabilityBounding(c); err != nil {
return err
}
@@ -833,7 +832,7 @@ func dropProcessRootCapability(g *generate.Generator, c string) error {
}
// setOCICapabilities adds/drops process capabilities.
func setOCICapabilities(g *generate.Generator, capabilities *runtime.Capability) error {
func setOCICapabilities(g *generator, capabilities *runtime.Capability) error {
if capabilities == nil {
return nil
}
@@ -879,7 +878,7 @@ func setOCICapabilities(g *generate.Generator, capabilities *runtime.Capability)
}
// setOCINamespaces sets namespaces.
func setOCINamespaces(g *generate.Generator, namespaces *runtime.NamespaceOption, sandboxPid uint32) {
func setOCINamespaces(g *generator, namespaces *runtime.NamespaceOption, sandboxPid uint32) {
g.AddOrReplaceLinuxNamespace(string(runtimespec.NetworkNamespace), getNetworkNamespace(sandboxPid)) // nolint: errcheck
g.AddOrReplaceLinuxNamespace(string(runtimespec.IPCNamespace), getIPCNamespace(sandboxPid)) // nolint: errcheck
g.AddOrReplaceLinuxNamespace(string(runtimespec.UTSNamespace), getUTSNamespace(sandboxPid)) // nolint: errcheck