1 files changed, 80 insertions, 0 deletions
diff --git a/vendor/github.com/coreos/ignition/internal/exec/util/unit.go b/vendor/github.com/coreos/ignition/internal/exec/util/unit.go
new file mode 100644
index 00000000..0f383bbb
--- /dev/null
+++ b/vendor/github.com/coreos/ignition/internal/exec/util/unit.go
@@ -0,0 +1,80 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// 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 util
+
+import (
+	"bytes"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+
+	"github.com/coreos/ignition/config/types"
+)
+
+const (
+	presetPath               string      = "/etc/systemd/system-preset/20-ignition.preset"
+	DefaultPresetPermissions os.FileMode = 0644
+)
+
+func FileFromSystemdUnit(unit types.Unit) *File {
+	return &File{
+		Path:       filepath.Join(SystemdUnitsPath(), string(unit.Name)),
+		ReadCloser: ioutil.NopCloser(bytes.NewReader([]byte(unit.Contents))),
+		Mode:       DefaultFilePermissions,
+	}
+}
+
+func FileFromNetworkdUnit(unit types.Networkdunit) *File {
+	return &File{
+		Path:       filepath.Join(NetworkdUnitsPath(), string(unit.Name)),
+		ReadCloser: ioutil.NopCloser(bytes.NewReader([]byte(unit.Contents))),
+		Mode:       DefaultFilePermissions,
+	}
+}
+
+func FileFromUnitDropin(unit types.Unit, dropin types.Dropin) *File {
+	return &File{
+		Path:       filepath.Join(SystemdDropinsPath(string(unit.Name)), string(dropin.Name)),
+		ReadCloser: ioutil.NopCloser(bytes.NewReader([]byte(dropin.Contents))),
+		Mode:       DefaultFilePermissions,
+	}
+}
+
+func (u Util) MaskUnit(unit types.Unit) error {
+	path := u.JoinPath(SystemdUnitsPath(), string(unit.Name))
+	if err := MkdirForFile(path); err != nil {
+		return err
+	}
+	if err := os.RemoveAll(path); err != nil {
+		return err
+	}
+	return os.Symlink("/dev/null", path)
+}
+
+func (u Util) EnableUnit(unit types.Unit) error {
+	path := u.JoinPath(presetPath)
+	if err := MkdirForFile(path); err != nil {
+		return err
+	}
+	file, err := os.OpenFile(path, os.O_RDWR|os.O_APPEND|os.O_CREATE, DefaultPresetPermissions)
+	if err != nil {
+		return err
+	}
+	defer file.Close()
+
+	_, err = file.WriteString(fmt.Sprintf("enable %s\n", unit.Name))
+	return err
+}