mirror of https://github.com/pulumi/pulumi.git
132 lines
4.2 KiB
Go
132 lines
4.2 KiB
Go
// Copyright 2016-2017, Pulumi Corporation. All rights reserved.
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package workspace
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import (
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"os"
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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/encoding"
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"github.com/pulumi/pulumi/pkg/util/fsutil"
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)
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const (
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BackupDir = "backups" // the name of the folder where backup stack information is stored.
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BookkeepingDir = ".pulumi" // the name of our bookeeping folder, we store state here (like .git for git).
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ConfigDir = "config" // the name of the folder that holds local configuration information.
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GitDir = ".git" // the name of the folder git uses to store information.
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HistoryDir = "history" // the name of the directory that holds historical information for projects.
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PluginDir = "plugins" // the name of the directory containing plugins.
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StackDir = "stacks" // the name of the directory that holds stack information for projects.
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WorkspaceDir = "workspaces" // the name of the directory that holds workspace information for projects.
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IgnoreFile = ".pulumiignore" // the name of the file that we use to control what to upload to the service.
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ProjectFile = "Pulumi" // the base name of a project file.
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RepoFile = "settings.json" // the name of the file that holds information specific to the entire repository.
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WorkspaceFile = "workspace.json" // the name of the file that holds workspace information.
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)
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// DetectProjectPath locates the closest project from the current working directory, or an error if not found.
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func DetectProjectPath() (string, error) {
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dir, err := os.Getwd()
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if err != nil {
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return "", err
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}
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path, err := DetectProjectPathFrom(dir)
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if err != nil {
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return "", err
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}
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return path, nil
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}
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// DetectProjectPathFrom locates the closest project from the given path, searching "upwards" in the directory
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// hierarchy. If no project is found, an empty path is returned. If problems are detected, they are logged to
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// the diag.Sink.
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func DetectProjectPathFrom(path string) (string, error) {
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return fsutil.WalkUp(path, isProject, func(s string) bool {
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return !isRepositoryFolder(filepath.Join(s, BookkeepingDir))
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})
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}
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// DetectProject loads the closest project from the current working directory, or an error if not found.
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func DetectProject() (*Project, error) {
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proj, _, err := DetectProjectAndPath()
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return proj, err
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}
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// DetectProjectAndPath loads the closest package from the current working directory, or an error if not found. It
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// also returns the path where the package was found.
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func DetectProjectAndPath() (*Project, string, error) {
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path, err := DetectProjectPath()
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if err != nil {
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return nil, "", err
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} else if path == "" {
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return nil, "", errors.Errorf("no Pulumi project found in the current working directory")
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}
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proj, err := LoadProject(path)
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return proj, path, err
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}
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// SaveProject saves the project file on top of the existing one, using the standard location.
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func SaveProject(proj *Project) error {
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path, err := DetectProjectPath()
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if err != nil {
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return err
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}
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return proj.Save(path)
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}
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func isGitFolder(path string) bool {
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info, err := os.Stat(path)
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return err == nil && info.IsDir() && info.Name() == ".git"
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}
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func isRepositoryFolder(path string) bool {
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info, err := os.Stat(path)
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if err == nil && info.IsDir() && info.Name() == BookkeepingDir {
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// make sure it has a settings.json file in it
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info, err := os.Stat(filepath.Join(path, RepoFile))
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return err == nil && !info.IsDir()
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}
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return false
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}
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// isProject returns true if the path references what appears to be a valid project. If problems are detected -- like
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// an incorrect extension -- they are logged to the provided diag.Sink (if non-nil).
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func isProject(path string) bool {
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return isMarkupFile(path, ProjectFile)
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}
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func isMarkupFile(path string, expect string) bool {
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info, err := os.Stat(path)
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if err != nil || info.IsDir() {
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// Missing files and directories can't be markup files.
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return false
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}
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// Ensure the base name is expected.
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name := info.Name()
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ext := filepath.Ext(name)
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base := strings.TrimSuffix(name, ext)
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if base != expect {
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return false
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}
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// Check all supported extensions.
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for _, mext := range encoding.Exts {
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if name == expect+mext {
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return true
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}
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}
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return false
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}
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