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bb63d7e60e
Co-authored-by: Rishichandra Wawhal <rishichandra.wawhal@gmail.com> Co-authored-by: Rikin Kachhia <54616969+rikinsk@users.noreply.github.com> Co-authored-by: Aravind <aravindkp@outlook.in> Co-authored-by: Anon Ray <ecthiender@users.noreply.github.com> Co-authored-by: Shahidh K Muhammed <muhammedshahid.k@gmail.com>
56 lines
1.6 KiB
Go
56 lines
1.6 KiB
Go
// Copyright 2019 The Kubernetes Authors.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package download
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import (
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"io"
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"net/http"
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"os"
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"github.com/pkg/errors"
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)
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// Fetcher is used to get files from a URI.
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type Fetcher interface {
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// Get gets the file and returns an stream to read the file.
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Get(uri string) (io.ReadCloser, error)
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}
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var _ Fetcher = HTTPFetcher{}
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// HTTPFetcher is used to get a file from a http:// or https:// schema path.
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type HTTPFetcher struct{}
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// Get gets the file and returns an stream to read the file.
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func (HTTPFetcher) Get(uri string) (io.ReadCloser, error) {
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resp, err := http.Get(uri)
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if err != nil {
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return nil, errors.Wrapf(err, "failed to download %q", uri)
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}
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return resp.Body, nil
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}
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var _ Fetcher = fileFetcher{}
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type fileFetcher struct{ f string }
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func (f fileFetcher) Get(_ string) (io.ReadCloser, error) {
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file, err := os.Open(f.f)
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return file, errors.Wrapf(err, "failed to open archive file %q for reading", f.f)
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}
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// NewFileFetcher returns a local file reader.
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func NewFileFetcher(path string) Fetcher { return fileFetcher{f: path} }
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