helm/pkg/chart/v2/dependency.go
Matt Farina 61d3eca55c
Move pkg/chart to pkg/chart/v2 to prepare for v3 charts
This change moves the code, updates the import locations, and
adds a doc.go file to document what the v2 package is for.

This is part of HIP 20 for v3 charts

Signed-off-by: Matt Farina <matt.farina@suse.com>
2025-02-25 15:20:44 -05:00

82 lines
3.2 KiB
Go

/*
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 v2
import "time"
// Dependency describes a chart upon which another chart depends.
//
// Dependencies can be used to express developer intent, or to capture the state
// of a chart.
type Dependency struct {
// Name is the name of the dependency.
//
// This must mach the name in the dependency's Chart.yaml.
Name string `json:"name" yaml:"name"`
// Version is the version (range) of this chart.
//
// A lock file will always produce a single version, while a dependency
// may contain a semantic version range.
Version string `json:"version,omitempty" yaml:"version,omitempty"`
// The URL to the repository.
//
// Appending `index.yaml` to this string should result in a URL that can be
// used to fetch the repository index.
Repository string `json:"repository" yaml:"repository"`
// A yaml path that resolves to a boolean, used for enabling/disabling charts (e.g. subchart1.enabled )
Condition string `json:"condition,omitempty" yaml:"condition,omitempty"`
// Tags can be used to group charts for enabling/disabling together
Tags []string `json:"tags,omitempty" yaml:"tags,omitempty"`
// Enabled bool determines if chart should be loaded
Enabled bool `json:"enabled,omitempty" yaml:"enabled,omitempty"`
// ImportValues holds the mapping of source values to parent key to be imported. Each item can be a
// string or pair of child/parent sublist items.
ImportValues []interface{} `json:"import-values,omitempty" yaml:"import-values,omitempty"`
// Alias usable alias to be used for the chart
Alias string `json:"alias,omitempty" yaml:"alias,omitempty"`
}
// Validate checks for common problems with the dependency datastructure in
// the chart. This check must be done at load time before the dependency's charts are
// loaded.
func (d *Dependency) Validate() error {
if d == nil {
return ValidationError("dependencies must not contain empty or null nodes")
}
d.Name = sanitizeString(d.Name)
d.Version = sanitizeString(d.Version)
d.Repository = sanitizeString(d.Repository)
d.Condition = sanitizeString(d.Condition)
for i := range d.Tags {
d.Tags[i] = sanitizeString(d.Tags[i])
}
if d.Alias != "" && !aliasNameFormat.MatchString(d.Alias) {
return ValidationErrorf("dependency %q has disallowed characters in the alias", d.Name)
}
return nil
}
// Lock is a lock file for dependencies.
//
// It represents the state that the dependencies should be in.
type Lock struct {
// Generated is the date the lock file was last generated.
Generated time.Time `json:"generated"`
// Digest is a hash of the dependencies in Chart.yaml.
Digest string `json:"digest"`
// Dependencies is the list of dependencies that this lock file has locked.
Dependencies []*Dependency `json:"dependencies"`
}