controller: remove controller grpc service

Remove the controller grpc service along with associated code related to
sessions or remote controllers.

Data types that are still used with complicated dependency chains have
been kept in the same package for a future refactor.

Signed-off-by: Jonathan A. Sternberg <jonathan.sternberg@docker.com>
This commit is contained in:
Jonathan A. Sternberg
2025-04-30 13:46:58 -05:00
committed by Jonathan A. Sternberg
parent 2eaea647d8
commit 2f1be25b8f
46 changed files with 249 additions and 17753 deletions

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@ -1,74 +0,0 @@
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package dialer
import (
"context"
"fmt"
"net"
"time"
)
type dialResult struct {
c net.Conn
err error
}
// ContextDialer returns a GRPC net.Conn connected to the provided address
func ContextDialer(ctx context.Context, address string) (net.Conn, error) {
if deadline, ok := ctx.Deadline(); ok {
return timeoutDialer(address, time.Until(deadline))
}
return timeoutDialer(address, 0)
}
func timeoutDialer(address string, timeout time.Duration) (net.Conn, error) {
var (
stopC = make(chan struct{})
synC = make(chan *dialResult)
)
go func() {
defer close(synC)
for {
select {
case <-stopC:
return
default:
c, err := dialer(address, timeout)
if isNoent(err) {
<-time.After(10 * time.Millisecond)
continue
}
synC <- &dialResult{c, err}
return
}
}
}()
select {
case dr := <-synC:
return dr.c, dr.err
case <-time.After(timeout):
close(stopC)
go func() {
dr := <-synC
if dr != nil && dr.c != nil {
dr.c.Close()
}
}()
return nil, fmt.Errorf("dial %s: timeout", address)
}
}

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@ -1,43 +0,0 @@
//go:build !windows
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package dialer
import (
"errors"
"fmt"
"net"
"strings"
"syscall"
"time"
)
// DialAddress returns the address with unix:// prepended to the
// provided address
func DialAddress(address string) string {
return fmt.Sprintf("unix://%s", address)
}
func isNoent(err error) bool {
return errors.Is(err, syscall.ENOENT)
}
func dialer(address string, timeout time.Duration) (net.Conn, error) {
address = strings.TrimPrefix(address, "unix://")
return net.DialTimeout("unix", address, timeout)
}

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@ -1,47 +0,0 @@
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package dialer
import (
"fmt"
"net"
"os"
"path/filepath"
"strings"
"time"
winio "github.com/Microsoft/go-winio"
)
func isNoent(err error) bool {
return os.IsNotExist(err)
}
func dialer(address string, timeout time.Duration) (net.Conn, error) {
address = strings.TrimPrefix(filepath.ToSlash(address), "npipe://")
return winio.DialPipe(address, &timeout)
}
// DialAddress returns the dial address with npipe:// prepended to the
// provided address
func DialAddress(address string) string {
address = filepath.ToSlash(address)
if !strings.HasPrefix(address, "npipe://") {
address = fmt.Sprintf("npipe://%s", address)
}
return address
}