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