154 lines
3.7 KiB
Go
154 lines
3.7 KiB
Go
package state
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import (
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"fmt"
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"net/url"
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"path/filepath"
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"runtime"
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"sort"
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"strings"
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"go.uber.org/zap"
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"github.com/helmfile/helmfile/pkg/filesystem"
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"github.com/helmfile/helmfile/pkg/remote"
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)
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type Storage struct {
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logger *zap.SugaredLogger
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FilePath string
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basePath string
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fs *filesystem.FileSystem
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}
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func NewStorage(forFile string, logger *zap.SugaredLogger, fs *filesystem.FileSystem) *Storage {
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return &Storage{
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FilePath: forFile,
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basePath: filepath.Dir(forFile),
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logger: logger,
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fs: fs,
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}
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}
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type resolveFileConfig struct {
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IgnoreMissingGitBranch bool
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}
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type resolveFileOption func(*resolveFileConfig)
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func ignoreMissingGitBranch(v bool) func(c *resolveFileConfig) {
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return func(c *resolveFileConfig) {
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c.IgnoreMissingGitBranch = v
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}
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}
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func (st *Storage) resolveFile(missingFileHandler *string, tpe, path string, opts ...resolveFileOption) ([]string, bool, error) {
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title := fmt.Sprintf("%s file", tpe)
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var (
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files []string
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err error
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conf resolveFileConfig
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)
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for _, o := range opts {
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o(&conf)
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}
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if remote.IsRemote(path) {
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r := remote.NewRemote(st.logger, "", st.fs)
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fetchedFilePath, err := r.Fetch(path, "values")
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if err != nil {
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// https://github.com/helmfile/helmfile/issues/392
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if conf.IgnoreMissingGitBranch && strings.Contains(err.Error(), "' did not match any file(s) known to git") {
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st.logger.Debugf("Ignored missing git branch error: %v", err)
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} else {
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return nil, false, err
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}
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}
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if st.fs.FileExistsAt(fetchedFilePath) {
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files = []string{fetchedFilePath}
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}
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} else {
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files, err = st.ExpandPaths(path)
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}
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if err != nil {
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return nil, false, err
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}
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var handlerId string
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if missingFileHandler != nil {
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handlerId = *missingFileHandler
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} else {
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handlerId = MissingFileHandlerError
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}
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if len(files) == 0 {
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switch handlerId {
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case MissingFileHandlerError:
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return nil, false, fmt.Errorf("%s matching \"%s\" does not exist in \"%s\"", title, path, st.basePath)
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case MissingFileHandlerWarn:
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st.logger.Warnf("skipping missing %s matching \"%s\"", title, path)
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return nil, true, nil
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case MissingFileHandlerInfo:
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st.logger.Infof("skipping missing %s matching \"%s\"", title, path)
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return nil, true, nil
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case MissingFileHandlerDebug:
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st.logger.Debugf("skipping missing %s matching \"%s\"", title, path)
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return nil, true, nil
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default:
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available := []string{
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MissingFileHandlerError,
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MissingFileHandlerWarn,
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MissingFileHandlerInfo,
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MissingFileHandlerDebug,
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}
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return nil, false, fmt.Errorf("invalid missing file handler \"%s\" while processing \"%s\" in \"%s\": it must be one of %s", handlerId, path, st.FilePath, available)
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}
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}
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return files, false, nil
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}
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func (st *Storage) ExpandPaths(globPattern string) ([]string, error) {
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result := []string{}
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absPathPattern := st.normalizePath(globPattern)
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matches, err := st.fs.Glob(absPathPattern)
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if err != nil {
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return nil, fmt.Errorf("failed processing %s: %v", globPattern, err)
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}
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sort.Strings(matches)
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result = append(result, matches...)
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return result, nil
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}
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// normalizes relative path to absolute one
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func (st *Storage) normalizePath(path string) string {
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u, _ := url.Parse(path)
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if u != nil && (u.Scheme != "" || filepath.IsAbs(path)) {
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return path
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} else {
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return st.JoinBase(path, runtime.GOOS)
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}
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}
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// JoinBase returns an absolute path in the form basePath/relative
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// Helm's setFiles command does not support unescaped filepath separators (\) on Windows.
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// Instead, it requires double backslashes (\\) as filepath separators.
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// See https://github.com/helm/helm/issues/9537
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func (st *Storage) JoinBase(relPath, GOOS string) string {
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path := filepath.Join(st.basePath, relPath)
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if GOOS == "windows" {
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return strings.ReplaceAll(path, "\\", "\\\\")
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}
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return path
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}
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