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100 lines
3.0 KiB
100 lines
3.0 KiB
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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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 repo
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import (
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"github.com/kubernetes/helm/pkg/chart"
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"github.com/kubernetes/helm/pkg/common"
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"fmt"
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"net/url"
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"regexp"
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)
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// ChartRepo abstracts a place that holds charts, which can be
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// used in a Deployment Manager configuration. There can be multiple
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// ChartRepo implementations.
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type ChartRepo interface {
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// GetRepoName returns the name of this ChartRepo.
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GetRepoName() string
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// GetRepoType returns the type of this repo.
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GetRepoType() common.RepoType
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// GetRepoURL returns the URL to the root of this ChartRepo.
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GetRepoURL() string
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// GetRepoFormat returns the format of this ChartRepo.
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GetRepoFormat() common.RepoFormat
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// ListCharts lists charts in this repository whose string values
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// conform to the supplied regular expression or all charts if regex is nil
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ListCharts(regex *regexp.Regexp) ([]string, error)
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// GetChart retrieves, unpacks and returns a chart by name.
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GetChart(name string) (*chart.Chart, error)
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}
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// ObjectStorageRepo abstracts a repository that resides in an Object Storage, for
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// example Google Cloud Storage or AWS S3, etc.
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type ObjectStorageRepo interface {
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ChartRepo // An ObjectStorageRepo is a ChartRepo
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GetBucket() string
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}
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type chartRepo struct {
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Name string `json:"name,omitempty"` // The name of this ChartRepo
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URL string `json:"url,omitempty"` // The URL to the root of this ChartRepo
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Format common.RepoFormat `json:"format,omitempty"` // The format of this ChartRepo
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Type common.RepoType `json:"type,omitempty"` // The type of this ChartRepo
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}
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// ChartNameMatcher matches the chart name format
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var ChartNameMatcher = regexp.MustCompile("(.*)-(.*).tgz")
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func newRepo(name, URL, format, t string) (*chartRepo, error) {
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_, err := url.Parse(URL)
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if err != nil {
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return nil, fmt.Errorf("invalid URL (%s): %s", URL, err)
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}
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result := &chartRepo{
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Name: name,
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URL: URL,
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Format: common.RepoFormat(format),
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Type: common.RepoType(t),
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}
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return result, nil
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}
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// GetRepoName returns the name of this ChartRepo.
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func (cr *chartRepo) GetRepoName() string {
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return cr.Name
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}
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// GetRepoType returns the type of this repo.
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func (cr *chartRepo) GetRepoType() common.RepoType {
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return cr.Type
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}
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// GetRepoURL returns the URL to the root of this ChartRepo.
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func (cr *chartRepo) GetRepoURL() string {
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return cr.URL
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}
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// GetRepoFormat returns the format of this ChartRepo.
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func (cr *chartRepo) GetRepoFormat() common.RepoFormat {
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return cr.Format
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}
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