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ignition.go
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ignition.go
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// 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 types
import (
"encoding/json"
"errors"
"github.com/coreos/go-semver/semver"
"github.com/coreos/ignition/config/validate/report"
)
var (
ErrOldVersion = errors.New("incorrect config version (too old)")
ErrNewVersion = errors.New("incorrect config version (too new)")
)
type Ignition struct {
Version IgnitionVersion `json:"version,omitempty" merge:"old"`
Config IgnitionConfig `json:"config,omitempty" merge:"new"`
}
type IgnitionConfig struct {
Append []ConfigReference `json:"append,omitempty"`
Replace *ConfigReference `json:"replace,omitempty"`
}
type ConfigReference struct {
Source Url `json:"source,omitempty"`
Verification Verification `json:"verification,omitempty"`
}
type IgnitionVersion semver.Version
func (v *IgnitionVersion) UnmarshalJSON(data []byte) error {
tv := semver.Version(*v)
if err := json.Unmarshal(data, &tv); err != nil {
return err
}
*v = IgnitionVersion(tv)
return nil
}
func (v IgnitionVersion) MarshalJSON() ([]byte, error) {
return semver.Version(v).MarshalJSON()
}
func (v IgnitionVersion) Validate() report.Report {
if MaxVersion.Major > v.Major {
return report.ReportFromError(ErrOldVersion, report.EntryError)
}
if MaxVersion.LessThan(semver.Version(v)) {
return report.ReportFromError(ErrNewVersion, report.EntryError)
}
return report.Report{}
}