/
config.go
78 lines (66 loc) · 2.49 KB
/
config.go
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// Copyright 2019 Red Hat, 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 v3_1
import (
"github.com/coreos/ignition/v2/config/merge"
"github.com/coreos/ignition/v2/config/shared/errors"
"github.com/coreos/ignition/v2/config/util"
prev "github.com/coreos/ignition/v2/config/v3_0"
"github.com/coreos/ignition/v2/config/v3_1/translate"
"github.com/coreos/ignition/v2/config/v3_1/types"
"github.com/coreos/ignition/v2/config/validate"
"github.com/coreos/go-semver/semver"
"github.com/coreos/vcontext/report"
)
func Merge(parent, child types.Config) types.Config {
res, _ := merge.MergeStructTranscribe(parent, child)
return res.(types.Config)
}
// Parse parses the raw config into a types.Config struct and generates a report of any
// errors, warnings, info, and deprecations it encountered
func Parse(rawConfig []byte) (types.Config, report.Report, error) {
if len(rawConfig) == 0 {
return types.Config{}, report.Report{}, errors.ErrEmpty
}
var config types.Config
if rpt, err := util.HandleParseErrors(rawConfig, &config); err != nil {
return types.Config{}, rpt, err
}
version, err := semver.NewVersion(config.Ignition.Version)
if err != nil || *version != types.MaxVersion {
return types.Config{}, report.Report{}, errors.ErrUnknownVersion
}
rpt := validate.ValidateWithContext(config, rawConfig)
if rpt.IsFatal() {
return types.Config{}, rpt, errors.ErrInvalid
}
return config, rpt, nil
}
// ParseCompatibleVersion parses the raw config of version 3.1.0 or lesser
// into a 3.1 types.Config struct and generates a report of any errors, warnings,
// info, and deprecations it encountered
func ParseCompatibleVersion(raw []byte) (types.Config, report.Report, error) {
version, rpt, err := util.GetConfigVersion(raw)
if err != nil {
return types.Config{}, rpt, err
}
if version == types.MaxVersion {
return Parse(raw)
}
prevCfg, r, err := prev.ParseCompatibleVersion(raw)
if err != nil {
return types.Config{}, r, err
}
return translate.Translate(prevCfg), r, nil
}