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// +build linux
package libpod
import (
"github.com/containernetworking/plugins/pkg/ns"
"github.com/sirupsen/logrus"
)
type containerPlatformState struct {
// NetNSPath is the path of the container's network namespace
// Will only be set if config.CreateNetNS is true, or the container was
// told to join another container's network namespace
NetNS ns.NetNS `json:"-"`
}
func (ctr *Container) setNamespace(netNSPath string, newState *containerState) error {
if netNSPath != "" {
// Check if the container's old state has a good netns
if ctr.state.NetNS != nil && netNSPath == ctr.state.NetNS.Path() {
newState.NetNS = ctr.state.NetNS
} else {
// Tear down the existing namespace
if err := ctr.runtime.teardownNetNS(ctr); err != nil {
logrus.Warnf(err.Error())
}
// Open the new network namespace
ns, err := joinNetNS(netNSPath)
if err == nil {
newState.NetNS = ns
} else {
logrus.Errorf("error joining network namespace for container %s", ctr.ID())
ctr.valid = false
}
}
} else {
// The container no longer has a network namespace
// Tear down the old one
if err := ctr.runtime.teardownNetNS(ctr); err != nil {
logrus.Warnf(err.Error())
}
}
return nil
}
func (ctr *Container) setNamespaceStatePath() string {
if ctr.state.NetNS != nil {
return ctr.state.NetNS.Path()
}
return ""
}
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