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Merge pull request #5195 from fuweid/fix-5173

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runtime/v2/runc: fix leaking socket path
This commit is contained in:
Phil Estes
2021-03-17 09:33:41 -04:00
committed by GitHub
parent 1a0973dde3 d895118c7c
commit a0cc9b432d
3 changed files with 34 additions and 16 deletions
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19
runtime/v2/runc/v1/service.go
View File

@@ -153,6 +153,11 @@ func (s *service) StartShim(ctx context.Context, id, containerdBinary, container
_ = shim.RemoveSocket(address)
}
}()
// make sure that reexec shim-v2 binary use the value if need
if err := shim.WriteAddress("address", address); err != nil {
return "", err
}
f, err := socket.File()
if err != nil {
return "", err
@@ -174,9 +179,6 @@ func (s *service) StartShim(ctx context.Context, id, containerdBinary, container
if err := shim.WritePidFile("shim.pid", cmd.Process.Pid); err != nil {
return "", err
}
if err := shim.WriteAddress("address", address); err != nil {
return "", err
}
if data, err := ioutil.ReadAll(os.Stdin); err == nil {
if len(data) > 0 {
var any ptypes.Any
@@ -209,6 +211,12 @@ func (s *service) StartShim(ctx context.Context, id, containerdBinary, container
}
func (s *service) Cleanup(ctx context.Context) (*taskAPI.DeleteResponse, error) {
if address, err := shim.ReadAddress("address"); err == nil {
if err = shim.RemoveSocket(address); err != nil {
return nil, err
}
}
path, err := os.Getwd()
if err != nil {
return nil, err
@@ -562,11 +570,10 @@ func (s *service) Connect(ctx context.Context, r *taskAPI.ConnectRequest) (*task
}
func (s *service) Shutdown(ctx context.Context, r *taskAPI.ShutdownRequest) (*ptypes.Empty, error) {
// please make sure that temporary resource has been cleanup
// before shutdown service.
s.cancel()
close(s.events)
if address, err := shim.ReadAddress("address"); err == nil {
_ = shim.RemoveSocket(address)
}
return empty, nil
}

18
runtime/v2/runc/v2/service.go
View File

@@ -220,6 +220,12 @@ func (s *service) StartShim(ctx context.Context, id, containerdBinary, container
_ = shim.RemoveSocket(address)
}
}()
// make sure that reexec shim-v2 binary use the value if need
if err := shim.WriteAddress("address", address); err != nil {
return "", err
}
f, err := socket.File()
if err != nil {
return "", err
@@ -238,9 +244,6 @@ func (s *service) StartShim(ctx context.Context, id, containerdBinary, container
}()
// make sure to wait after start
go cmd.Wait()
if err := shim.WriteAddress("address", address); err != nil {
return "", err
}
if data, err := ioutil.ReadAll(os.Stdin); err == nil {
if len(data) > 0 {
var any ptypes.Any
@@ -290,6 +293,7 @@ func (s *service) Cleanup(ctx context.Context) (*taskAPI.DeleteResponse, error)
if err != nil {
return nil, err
}
path := filepath.Join(filepath.Dir(cwd), s.id)
ns, err := namespaces.NamespaceRequired(ctx)
if err != nil {
@@ -668,15 +672,19 @@ func (s *service) Shutdown(ctx context.Context, r *taskAPI.ShutdownRequest) (*pt
if len(s.containers) > 0 {
return empty, nil
}
s.cancel()
close(s.events)
if s.platform != nil {
s.platform.Close()
}
if s.shimAddress != "" {
_ = shim.RemoveSocket(s.shimAddress)
}
// please make sure that temporary resource has been cleanup
// before shutdown service.
s.cancel()
close(s.events)
return empty, nil
}