87
vendor/helm.sh/helm/v3/pkg/lint/rules/values.go
vendored
Normal file
87
vendor/helm.sh/helm/v3/pkg/lint/rules/values.go
vendored
Normal file
@@ -0,0 +1,87 @@
|
||||
/*
|
||||
Copyright The Helm Authors.
|
||||
|
||||
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 rules
|
||||
|
||||
import (
|
||||
"io/ioutil"
|
||||
"os"
|
||||
"path/filepath"
|
||||
|
||||
"github.com/pkg/errors"
|
||||
|
||||
"helm.sh/helm/v3/pkg/chartutil"
|
||||
"helm.sh/helm/v3/pkg/lint/support"
|
||||
)
|
||||
|
||||
// Values lints a chart's values.yaml file.
|
||||
//
|
||||
// This function is deprecated and will be removed in Helm 4.
|
||||
func Values(linter *support.Linter) {
|
||||
ValuesWithOverrides(linter, map[string]interface{}{})
|
||||
}
|
||||
|
||||
// ValuesWithOverrides tests the values.yaml file.
|
||||
//
|
||||
// If a schema is present in the chart, values are tested against that. Otherwise,
|
||||
// they are only tested for well-formedness.
|
||||
//
|
||||
// If additional values are supplied, they are coalesced into the values in values.yaml.
|
||||
func ValuesWithOverrides(linter *support.Linter, values map[string]interface{}) {
|
||||
file := "values.yaml"
|
||||
vf := filepath.Join(linter.ChartDir, file)
|
||||
fileExists := linter.RunLinterRule(support.InfoSev, file, validateValuesFileExistence(vf))
|
||||
|
||||
if !fileExists {
|
||||
return
|
||||
}
|
||||
|
||||
linter.RunLinterRule(support.ErrorSev, file, validateValuesFile(vf, values))
|
||||
}
|
||||
|
||||
func validateValuesFileExistence(valuesPath string) error {
|
||||
_, err := os.Stat(valuesPath)
|
||||
if err != nil {
|
||||
return errors.Errorf("file does not exist")
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func validateValuesFile(valuesPath string, overrides map[string]interface{}) error {
|
||||
values, err := chartutil.ReadValuesFile(valuesPath)
|
||||
if err != nil {
|
||||
return errors.Wrap(err, "unable to parse YAML")
|
||||
}
|
||||
|
||||
// Helm 3.0.0 carried over the values linting from Helm 2.x, which only tests the top
|
||||
// level values against the top-level expectations. Subchart values are not linted.
|
||||
// We could change that. For now, though, we retain that strategy, and thus can
|
||||
// coalesce tables (like reuse-values does) instead of doing the full chart
|
||||
// CoalesceValues
|
||||
coalescedValues := chartutil.CoalesceTables(make(map[string]interface{}, len(overrides)), overrides)
|
||||
coalescedValues = chartutil.CoalesceTables(coalescedValues, values)
|
||||
|
||||
ext := filepath.Ext(valuesPath)
|
||||
schemaPath := valuesPath[:len(valuesPath)-len(ext)] + ".schema.json"
|
||||
schema, err := ioutil.ReadFile(schemaPath)
|
||||
if len(schema) == 0 {
|
||||
return nil
|
||||
}
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
return chartutil.ValidateAgainstSingleSchema(coalescedValues, schema)
|
||||
}
|
||||
Reference in New Issue
Block a user