71 lines
2.1 KiB
Go
71 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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"errors"
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"strings"
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"github.com/GoogleContainerTools/kaniko/pkg/constants"
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"github.com/GoogleContainerTools/kaniko/pkg/util"
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)
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const (
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TarBuildContextPrefix = "tar://"
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)
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type BuildOptions struct {
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GitBranch string
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GitSingleBranch bool
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GitRecurseSubmodules bool
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}
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// BuildContext unifies calls to download and unpack the build context.
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type BuildContext interface {
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// Unpacks a build context and returns the directory where it resides
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UnpackTarFromBuildContext() (string, error)
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}
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// GetBuildContext parses srcContext for the prefix and returns related buildcontext
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// parser
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func GetBuildContext(srcContext string, opts BuildOptions) (BuildContext, error) {
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split := strings.SplitAfter(srcContext, "://")
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if len(split) > 1 {
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prefix := split[0]
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context := split[1]
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switch prefix {
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case constants.GCSBuildContextPrefix:
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return &GCS{context: context}, nil
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case constants.S3BuildContextPrefix:
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return &S3{context: context}, nil
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case constants.LocalDirBuildContextPrefix:
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return &Dir{context: context}, nil
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case constants.GitBuildContextPrefix:
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return &Git{context: context, opts: opts}, nil
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case constants.HTTPSBuildContextPrefix:
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if util.ValidAzureBlobStorageHost(srcContext) {
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return &AzureBlob{context: srcContext}, nil
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}
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return &HTTPSTar{context: srcContext}, nil
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case TarBuildContextPrefix:
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return &Tar{context: context}, nil
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}
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}
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return nil, errors.New("unknown build context prefix provided, please use one of the following: gs://, dir://, tar://, s3://, git://, https://")
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}
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