/
helm.go
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/
helm.go
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// Copyright 2021 The Karavel Project
//
// 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 helmw
import (
"context"
"fmt"
"github.com/karavel-io/cli/pkg/logger"
"helm.sh/helm/v3/pkg/getter"
"helm.sh/helm/v3/pkg/repo"
)
const (
HelmRepoName = "karavel"
HelmDefaultRepo = "https://repository.platform.karavel.io"
)
var ErrVersionEmpty = fmt.Errorf("version cannot be empty")
func NewRepo(version string, repoUrl string) (*repo.Entry, error) {
if version == "" {
return nil, ErrVersionEmpty
}
repoUrl = GetRepoUrl(version, repoUrl)
name := HelmRepoName
if version == "unstable" {
name = UnstableRepoName()
}
return &repo.Entry{
Name: name,
URL: repoUrl,
}, nil
}
func WithRepository(ctx context.Context, entry *repo.Entry) (context.Context, error) {
store := FromContext(ctx)
if store.Has(entry.Name) {
logger.FromContext(ctx).Debugf("repository name %q already exists", entry.Name)
return ctx, nil
}
// Get settings
settings := settingsFromContext(ctx)
providers := getter.All(settings)
// Initialize repo
repo, err := repo.NewChartRepository(entry, providers)
if err != nil {
return ctx, err
}
// Use custom cache path to not affect the system installation
repo.CachePath = settings.RepositoryCache
// Try fetching index
_, err = repo.DownloadIndexFile()
if err != nil {
return ctx, err
}
// Add to store
store.Update(entry)
// Write updated config to file
err = store.WriteFile(settings.RepositoryConfig, 0o644)
if err != nil {
return ctx, err
}
return withSettings(withStore(ctx, store), settings), nil
}
func GetRepoUrl(version string, repoUrl string) string {
if repoUrl == "" {
repoUrl = fmt.Sprintf("%s/%s", HelmDefaultRepo, version)
}
return repoUrl
}
func UnstableRepoName() string {
return fmt.Sprintf("%s-unstable", HelmRepoName)
}