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// Copyright 2016 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 types
import (
"bytes"
"errors"
"fmt"
"path"
"github.com/coreos/go-systemd/unit"
"github.com/coreos/ignition/config/validate/report"
)
var (
ErrInvalidSystemdExt = errors.New("invalid systemd unit extension")
ErrInvalidNetworkdExt = errors.New("invalid networkd unit extension")
)
func (u Unit) ValidateContents() report.Report {
r := report.Report{}
if err := validateUnitContent(u.Contents); err != nil {
r.Add(report.Entry{
Message: err.Error(),
Kind: report.EntryError,
})
}
return r
}
func (u Unit) ValidateName() report.Report {
r := report.Report{}
switch path.Ext(u.Name) {
case ".service", ".socket", ".device", ".mount", ".automount", ".swap", ".target", ".path", ".timer", ".snapshot", ".slice", ".scope":
default:
r.Add(report.Entry{
Message: ErrInvalidSystemdExt.Error(),
Kind: report.EntryError,
})
}
return r
}
func (d Dropin) Validate() report.Report {
r := report.Report{}
if err := validateUnitContent(d.Contents); err != nil {
r.Add(report.Entry{
Message: err.Error(),
Kind: report.EntryError,
})
}
switch path.Ext(d.Name) {
case ".conf":
default:
r.Add(report.Entry{
Message: fmt.Sprintf("invalid systemd unit drop-in extension: %q", path.Ext(d.Name)),
Kind: report.EntryError,
})
}
return r
}
func (u Networkdunit) Validate() report.Report {
r := report.Report{}
if err := validateUnitContent(u.Contents); err != nil {
r.Add(report.Entry{
Message: err.Error(),
Kind: report.EntryError,
})
}
switch path.Ext(u.Name) {
case ".link", ".netdev", ".network":
default:
r.Add(report.Entry{
Message: ErrInvalidNetworkdExt.Error(),
Kind: report.EntryError,
})
}
return r
}
func validateUnitContent(content string) error {
c := bytes.NewBufferString(content)
_, err := unit.Deserialize(c)
if err != nil {
return fmt.Errorf("invalid unit content: %s", err)
}
return nil
}
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