41 lines
1.5 KiB
Go
41 lines
1.5 KiB
Go
/*
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Copyright 2022 The Flux 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 repository
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import (
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"bytes"
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"context"
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"helm.sh/helm/v3/pkg/repo"
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"github.com/fluxcd/source-controller/internal/oci"
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)
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// Downloader is used to download a chart from a remote Helm repository or OCI Helm repository.
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type Downloader interface {
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// GetChartVersion returns the repo.ChartVersion for the given name and version
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// from the remote Helm repository or OCI Helm repository.
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GetChartVersion(name, version string) (*repo.ChartVersion, error)
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// DownloadChart downloads a chart from the remote Helm repository or OCI Helm repository.
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DownloadChart(chart *repo.ChartVersion) (*bytes.Buffer, error)
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// VerifyChart verifies the chart against a signature.
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VerifyChart(ctx context.Context, chart *repo.ChartVersion) (oci.VerificationResult, error)
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// Clear removes all temporary files created by the downloader, caching the files if the cache is configured,
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// and calling garbage collector to remove unused files.
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Clear() error
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}
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