81 lines
2.1 KiB
Go
81 lines
2.1 KiB
Go
/*
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Copyright 2018 Google LLC
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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 buildcontext
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import (
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"fmt"
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"io"
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"net/http"
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"os"
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"path/filepath"
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kConfig "github.com/GoogleContainerTools/kaniko/pkg/config"
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"github.com/GoogleContainerTools/kaniko/pkg/constants"
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"github.com/GoogleContainerTools/kaniko/pkg/util"
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"github.com/sirupsen/logrus"
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)
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// HTTPSTar struct for https tar.gz files processing
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type HTTPSTar struct {
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context string
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}
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// UnpackTarFromBuildContext downloads context file from https server
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func (h *HTTPSTar) UnpackTarFromBuildContext() (directory string, err error) {
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logrus.Info("Retrieving https tar file")
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// Create directory and target file for downloading the context file
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directory = kConfig.BuildContextDir
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tarPath := filepath.Join(directory, constants.ContextTar)
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file, err := util.CreateTargetTarfile(tarPath)
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if err != nil {
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return
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}
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// Download tar file from remote https server
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// and save it into the target tar file
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resp, err := http.Get(h.context)
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if err != nil {
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return
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}
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defer func() {
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if closeErr := resp.Body.Close(); err == nil && closeErr != nil {
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err = closeErr
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}
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}()
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if resp.StatusCode != http.StatusOK {
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return directory, fmt.Errorf("HTTPSTar bad status from server: %s", resp.Status)
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}
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if _, err = io.Copy(file, resp.Body); err != nil {
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return tarPath, err
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}
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logrus.Info("Retrieved https tar file")
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if err = util.UnpackCompressedTar(tarPath, directory); err != nil {
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return
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}
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logrus.Info("Extracted https tar file")
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// Remove the tar so it doesn't interfere with subsequent commands
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return directory, os.Remove(tarPath)
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}
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