Move services to plugins/services

Signed-off-by: Derek McGowan <derek@mcg.dev>

plugins/services/opt/path_unix.go

@@ -0,0 +1,21 @@
+//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 opt
+
+const defaultPath = "/opt/containerd"

plugins/services/opt/path_windows.go

@@ -0,0 +1,25 @@
+/*
+   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 opt
+
+import (
+	"path/filepath"
+
+	"github.com/containerd/containerd/v2/defaults"
+)
+
+var defaultPath = filepath.Join(defaults.DefaultRootDir, "opt")

plugins/services/opt/service.go

@@ -0,0 +1,66 @@
+/*
+   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 opt
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"github.com/containerd/containerd/v2/plugins"
+	"github.com/containerd/plugin"
+	"github.com/containerd/plugin/registry"
+)
+
+// Config for the opt manager
+type Config struct {
+	// Path for the opt directory
+	Path string `toml:"path"`
+}
+
+func init() {
+	registry.Register(&plugin.Registration{
+		Type: plugins.InternalPlugin,
+		ID:   "opt",
+		Config: &Config{
+			Path: defaultPath,
+		},
+		InitFn: func(ic *plugin.InitContext) (interface{}, error) {
+			path := ic.Config.(*Config).Path
+			ic.Meta.Exports["path"] = path
+			bin := filepath.Join(path, "bin")
+			if err := os.MkdirAll(bin, 0711); err != nil {
+				return nil, err
+			}
+			if err := os.Setenv("PATH", fmt.Sprintf("%s%c%s", bin, os.PathListSeparator, os.Getenv("PATH"))); err != nil {
+				return nil, fmt.Errorf("set binary image directory in path %s: %w", bin, err)
+			}
+
+			lib := filepath.Join(path, "lib")
+			if err := os.MkdirAll(lib, 0711); err != nil {
+				return nil, err
+			}
+			if err := os.Setenv("LD_LIBRARY_PATH", fmt.Sprintf("%s%c%s", lib, os.PathListSeparator, os.Getenv("LD_LIBRARY_PATH"))); err != nil {
+				return nil, fmt.Errorf("set binary lib directory in path %s: %w", lib, err)
+			}
+			return &manager{}, nil
+		},
+	})
+}
+
+type manager struct {
+}