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server: store containers state on disk

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Signed-off-by: Antonio Murdaca <runcom@redhat.com>
This commit is contained in:
Antonio Murdaca 2017-05-11 12:03:59 +02:00
parent 2ddc062bbe
commit da0b8a6157
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7 changed files with 30 additions and 0 deletions
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15
server/server.go
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@ -19,6 +19,7 @@ import (
"github.com/kubernetes-incubator/cri-o/pkg/storage"
"github.com/kubernetes-incubator/cri-o/server/apparmor"
"github.com/kubernetes-incubator/cri-o/server/seccomp"
"github.com/moby/moby/pkg/ioutils"
rspec "github.com/opencontainers/runtime-spec/specs-go"
"github.com/opencontainers/selinux/go-selinux/label"
pb "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
@ -155,6 +156,20 @@ func (s *Server) loadContainer(id string) error {
return s.ctrIDIndex.Add(id)
}
func (s *Server) containerStateToDisk(c *oci.Container) error {
// ignore errors, this is a best effort to have up-to-date info about
// a given container before its state gets stored
s.runtime.UpdateStatus(c)
jsonSource, err := ioutils.NewAtomicFileWriter(c.StatePath(), 0644)
if err != nil {
return err
}
defer jsonSource.Close()
enc := json.NewEncoder(jsonSource)
return enc.Encode(s.runtime.ContainerStatus(c))
}
func configNetNsPath(spec rspec.Spec) (string, error) {
for _, ns := range spec.Linux.Namespaces {
if ns.Type != rspec.NetworkNamespace {