added store env var (#370)

* added strictmode flag and consts
* updated code with strictmode
* added flag for retryoperation
* updated registry short flag
* added store env var
* added/fixed more env var code

---------

Signed-off-by: Zack Brady <zackbrady123@gmail.com>

cmd/hauler/cli/store/load.go

@@ -18,9 +18,19 @@ import (
 func LoadCmd(ctx context.Context, o *flags.LoadOpts, archiveRefs ...string) error {
 	l := log.FromContext(ctx)
 
+	storeDir := o.StoreDir
+
+	if storeDir == "" {
+		storeDir = os.Getenv(consts.HaulerStoreDir)
+	}
+
+	if storeDir == "" {
+		storeDir = consts.DefaultStoreName
+	}
+
 	for _, archiveRef := range archiveRefs {
-		l.Infof("loading content from [%s] to [%s]", archiveRef, o.StoreDir)
-		err := unarchiveLayoutTo(ctx, archiveRef, o.StoreDir, o.TempOverride)
+		l.Infof("loading content from [%s] to [%s]", archiveRef, storeDir)
+		err := unarchiveLayoutTo(ctx, archiveRef, storeDir, o.TempOverride)
 		if err != nil {
 			return err
 		}

cmd/hauler/cli/store/save.go

@@ -28,6 +28,16 @@ import (
 func SaveCmd(ctx context.Context, o *flags.SaveOpts, outputFile string) error {
 	l := log.FromContext(ctx)
 
+	storeDir := o.StoreDir
+
+	if storeDir == "" {
+		storeDir = os.Getenv(consts.HaulerStoreDir)
+	}
+
+	if storeDir == "" {
+		storeDir = consts.DefaultStoreName
+	}
+
 	// TODO: Support more formats?
 	a := archiver.NewTarZstd()
 	a.OverwriteExisting = true
@@ -42,7 +52,7 @@ func SaveCmd(ctx context.Context, o *flags.SaveOpts, outputFile string) error {
 		return err
 	}
 	defer os.Chdir(cwd)
-	if err := os.Chdir(o.StoreDir); err != nil {
+	if err := os.Chdir(storeDir); err != nil {
 		return err
 	}
 
@@ -55,7 +65,7 @@ func SaveCmd(ctx context.Context, o *flags.SaveOpts, outputFile string) error {
 		return err
 	}
 
-	l.Infof("saved store [%s] -> [%s]", o.StoreDir, absOutputfile)
+	l.Infof("saved store [%s] -> [%s]", storeDir, absOutputfile)
 	return nil
 }
 

internal/flags/store.go

@@ -19,7 +19,7 @@ type StoreRootOpts struct {
 
 func (o *StoreRootOpts) AddFlags(cmd *cobra.Command) {
 	pf := cmd.PersistentFlags()
-	pf.StringVarP(&o.StoreDir, "store", "s", consts.DefaultStoreName, "Set the directory to use for the content store")
+	pf.StringVarP(&o.StoreDir, "store", "s", "", "Set the directory to use for the content store")
 	pf.IntVarP(&o.Retries, "retries", "r", consts.DefaultRetries, "Set the number of retries for operations")
 }
 
@@ -28,6 +28,14 @@ func (o *StoreRootOpts) Store(ctx context.Context) (*store.Layout, error) {
 
 	storeDir := o.StoreDir
 
+	if storeDir == "" {
+		storeDir = os.Getenv(consts.HaulerStoreDir)
+	}
+
+	if storeDir == "" {
+		storeDir = consts.DefaultStoreName
+	}
+
 	abs, err := filepath.Abs(storeDir)
 	if err != nil {
 		return nil, err
@@ -36,8 +44,7 @@ func (o *StoreRootOpts) Store(ctx context.Context) (*store.Layout, error) {
 	l.Debugf("using store at %s", abs)
 
 	if _, err := os.Stat(abs); errors.Is(err, os.ErrNotExist) {
-		err := os.Mkdir(abs, os.ModePerm)
-		if err != nil {
+		if err := os.MkdirAll(abs, os.ModePerm); err != nil {
 			return nil, err
 		}
 	} else if err != nil {

pkg/consts/consts.go

@@ -64,6 +64,7 @@ const (
 	// environment variables
 	HaulerDir          = "HAULER_DIR"
 	HaulerTempDir      = "HAULER_TEMP_DIR"
+	HaulerStoreDir     = "HAULER_STORE_DIR"
 	HaulerIgnoreErrors = "HAULER_IGNORE_ERRORS"
 
 	// container files and directories

pkg/cosign/cosign.go

@@ -277,6 +277,7 @@ func EnsureBinaryExists(ctx context.Context, bin embed.FS, ro *flags.CliRootOpts
 
 // getCosignPath returns the binary path
 func getCosignPath(haulerDir string) (string, error) {
+
 	if haulerDir == "" {
 		haulerDir = os.Getenv(consts.HaulerDir)
 	}