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68 lines
1.7 KiB
68 lines
1.7 KiB
/*
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Copyright The Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package rules
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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"github.com/pkg/errors"
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"helm.sh/helm/v3/pkg/chartutil"
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"helm.sh/helm/v3/pkg/lint/support"
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)
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// Values lints a chart's values.yaml file.
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func Values(linter *support.Linter) {
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file := "values.yaml"
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vf := filepath.Join(linter.ChartDir, file)
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fileExists := linter.RunLinterRule(support.InfoSev, file, validateValuesFileExistence(vf))
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if !fileExists {
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return
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}
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linter.RunLinterRule(support.ErrorSev, file, validateValuesFile(vf))
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}
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func validateValuesFileExistence(valuesPath string) error {
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_, err := os.Stat(valuesPath)
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if err != nil {
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return errors.Errorf("file does not exist")
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}
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return nil
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}
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func validateValuesFile(valuesPath string) error {
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values, err := chartutil.ReadValuesFile(valuesPath)
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if err != nil {
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return errors.Wrap(err, "unable to parse YAML")
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}
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ext := filepath.Ext(valuesPath)
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schemaPath := valuesPath[:len(valuesPath)-len(ext)] + ".schema.json"
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schema, err := ioutil.ReadFile(schemaPath)
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if len(schema) == 0 {
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return nil
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}
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if err != nil {
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return err
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}
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return chartutil.ValidateAgainstSingleSchema(values, schema)
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}
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