125 lines
4 KiB
Go
125 lines
4 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/pack"
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"github.com/pulumi/pulumi/pkg/util/fsutil"
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)
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const ProjectFile = "Pulumi" // the base name of a project file.
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const GitDir = ".git" // the name of the folder git uses to store information.
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const BookkeepingDir = ".pulumi" // the name of our bookeeping folder, we store state here (like .git for git).
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const StackDir = "stacks" // the name of the directory that holds stack information for projects.
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const WorkspaceDir = "workspaces" // the name of the directory that holds workspace information for projects.
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const RepoFile = "settings.json" // the name of the file that holds information specific to the entire repository.
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const ConfigDir = "config" // the name of the folder that holds local configuration information.
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const WorkspaceFile = "workspace.json" // the name of the file that holds workspace information.
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const IgnoreFile = ".pulumiignore" // the name of the file that we use to control what to upload to the service.
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// DetectPackage locates the closest package from the current working directory, or an error if not found.
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func DetectPackage() (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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pkgPath, err := DetectPackageFrom(dir)
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if err != nil {
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return "", err
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}
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return pkgPath, nil
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}
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// DetectPackageFrom locates the closest package from the given path, searching "upwards" in the directory hierarchy.
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// If no Project is found, an empty path is returned. If problems are detected, they are logged to the diag.Sink.
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func DetectPackageFrom(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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// GetPackage loads the closest package from the current working directory, or an error if not found.
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func GetPackage() (*pack.Package, error) {
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pkg, _, err := GetPackagePath()
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return pkg, err
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}
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// GetPackagePath 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 GetPackagePath() (*pack.Package, string, error) {
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pkgPath, err := DetectPackage()
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if err != nil {
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return nil, "", err
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} else if pkgPath == "" {
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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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pkg, err := pack.Load(pkgPath)
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return pkg, pkgPath, err
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}
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// SavePackage saves the package file on top of the existing one.
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func SavePackage(pkg *pack.Package) error {
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pkgPath, err := DetectPackage()
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if err != nil {
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return err
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}
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return pack.Save(pkgPath, pkg)
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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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