feaea31f7b
This renames the backend packages to more closely align with the new direction for them. Namely, pkg/backend/cloud becomes pkg/backend/httpstate and pkg/backend/local becomes pkg/backend/filestate. This also helps to clarify that these are meant to be around state management and so the upcoming refactoring required to split out (e.g.) the display logic (amongst other things) will make more sense, and we'll need better package names for those too.
83 lines
2.8 KiB
Go
83 lines
2.8 KiB
Go
// Copyright 2016-2018, Pulumi Corporation.
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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 httpstate
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import (
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"path/filepath"
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"strings"
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"github.com/pkg/errors"
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"github.com/pulumi/pulumi/pkg/util/fsutil"
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"github.com/pulumi/pulumi/pkg/workspace"
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)
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// getContextAndMain computes the root path of the archive as well as the relative path (from the archive root)
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// to the main function. In the case where there is no custom archive root, things are simple, the archive root
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// is the root of the project, and main can remain unchanged. When an context is set, however, we need to do some
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// work:
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//
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// 1. We need to ensure the archive root is "above" the project root.
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// 2. We need to change "main" which was relative to the project root to be relative to the archive root.
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//
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// Note that the relative paths in Pulumi.yaml for Context and Main are always unix style paths, but the returned
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// context is an absolute path, using file system specific seperators. We continue use a unix style partial path for
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// Main.
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func getContextAndMain(proj *workspace.Project, projectRoot string) (string, string, error) {
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context, err := filepath.Abs(projectRoot)
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if err != nil {
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return "", "", err
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}
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main := proj.Main
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if proj.Context != "" {
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context, err = filepath.Abs(filepath.Join(context,
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strings.Replace(proj.Context, "/", string(filepath.Separator), -1)))
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if err != nil {
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return "", "", err
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}
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if !strings.HasPrefix(projectRoot, context) {
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return "", "", errors.Errorf("Context directory '%v' is not a parent of '%v'", context, projectRoot)
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}
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// Walk up to the archive root, starting from the project root, recording the directories we see,
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// we'll combine these with the existing main value to get a main relative to the root of the archive
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// which is what the pulumi-service expects. We use fsutil.WalkUp here, so we have to provide a dummy
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// function which ignores every file we visit.
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ignoreFileVisitFunc := func(string) bool {
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// return false so fsutil.Walk does not stop early
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return false
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}
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prefix := ""
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_, err := fsutil.WalkUp(projectRoot, ignoreFileVisitFunc, func(p string) bool {
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if p != context {
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prefix = filepath.Base(p) + "/" + prefix
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return true
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}
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return false
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})
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if err != nil {
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return "", "", err
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}
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main = prefix + main
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}
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return context, main, nil
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}
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