store: drop rootless from arguments

drop the rootless argument from DefaultStoreOptions and
UpdateStoreOptions since this can be retrieved internally through the
unshare package.

Signed-off-by: Giuseppe Scrivano <[email protected]>

Author: giuseppe

cmd/containers-storage/main.go

@@ -73,7 +73,7 @@ func main() {
 		os.Exit(1)
 	}
 	if options.GraphRoot == "" && options.RunRoot == "" && options.GraphDriverName == "" && len(options.GraphDriverOptions) == 0 {
-		options, _ = types.DefaultStoreOptionsAutoDetectUID()
+		options, _ = types.DefaultStoreOptions()
 	}
 	args := flags.Args()
 	if len(args) < 1 {

pkg/chunked/storage_linux.go

@@ -254,7 +254,7 @@ func convertTarToZstdChunked(destDirectory string, blobSize int64, iss ImageSour
 
 // GetDiffer returns a differ than can be used with ApplyDiffWithDiffer.
 func GetDiffer(ctx context.Context, store storage.Store, blobSize int64, annotations map[string]string, iss ImageSourceSeekable) (graphdriver.Differ, error) {
-	storeOpts, err := types.DefaultStoreOptionsAutoDetectUID()
+	storeOpts, err := types.DefaultStoreOptions()
 	if err != nil {
 		return nil, err
 	}

store.go

@@ -3545,8 +3545,8 @@ func SetDefaultConfigFilePath(path string) {
 }
 
 // DefaultConfigFile returns the path to the storage config file used
-func DefaultConfigFile(rootless bool) (string, error) {
-	return types.DefaultConfigFile(rootless)
+func DefaultConfigFile() (string, error) {
+	return types.DefaultConfigFile()
 }
 
 // ReloadConfigurationFile parses the specified configuration file and overrides

types/options.go

@@ -89,7 +89,7 @@ func loadDefaultStoreOptions() {
 
 	_, err := os.Stat(defaultOverrideConfigFile)
 	if err == nil {
-		// The DefaultConfigFile(rootless) function returns the path
+		// The DefaultConfigFile() function returns the path
 		// of the used storage.conf file, by returning defaultConfigFile
 		// If override exists containers/storage uses it by default.
 		defaultConfigFile = defaultOverrideConfigFile
@@ -190,7 +190,7 @@ func defaultStoreOptionsIsolated(rootless bool, rootlessUID int, storageConf str
 
 // loadStoreOptions returns the default storage ops for containers
 func loadStoreOptions(rootless bool, rootlessUID int) (StoreOptions, error) {
-	storageConf, err := DefaultConfigFile(rootless && rootlessUID != 0)
+	storageConf, err := DefaultConfigFile()
 	if err != nil {
 		return defaultStoreOptions, err
 	}
@@ -199,15 +199,16 @@ func loadStoreOptions(rootless bool, rootlessUID int) (StoreOptions, error) {
 
 // UpdateOptions should be called iff container engine received a SIGHUP,
 // otherwise use DefaultStoreOptions
-func UpdateStoreOptions(rootless bool, rootlessUID int) (StoreOptions, error) {
-	storeOptions, storeError = loadStoreOptions(rootless, rootlessUID)
+func UpdateStoreOptions() (StoreOptions, error) {
+	storeOptions, storeError = loadStoreOptions(unshare.IsRootless(), unshare.GetRootlessUID())
 	return storeOptions, storeError
 }
 
 // DefaultStoreOptions returns the default storage ops for containers
-func DefaultStoreOptions(rootless bool, rootlessUID int) (StoreOptions, error) {
+func DefaultStoreOptions() (StoreOptions, error) {
+	uid := unshare.GetRootlessUID()
 	once.Do(func() {
-		storeOptions, storeError = loadStoreOptions(rootless, rootlessUID)
+		storeOptions, storeError = loadStoreOptions(uid != 0, uid)
 	})
 	return storeOptions, storeError
 }
@@ -351,12 +352,6 @@ func getRootlessStorageOpts(rootlessUID int, systemOpts StoreOptions) (StoreOpti
 	return opts, nil
 }
 
-// DefaultStoreOptionsAutoDetectUID returns the default storage ops for containers
-func DefaultStoreOptionsAutoDetectUID() (StoreOptions, error) {
-	uid := unshare.GetRootlessUID()
-	return DefaultStoreOptions(uid != 0, uid)
-}
-
 var prevReloadConfig = struct {
 	storeOptions *StoreOptions
 	mod          time.Time
@@ -526,8 +521,8 @@ func Options() (StoreOptions, error) {
 }
 
 // Save overwrites the tomlConfig in storage.conf with the given conf
-func Save(conf TomlConfig, rootless bool) error {
-	configFile, err := DefaultConfigFile(rootless)
+func Save(conf TomlConfig) error {
+	configFile, err := DefaultConfigFile()
 	if err != nil {
 		return err
 	}
@@ -545,10 +540,10 @@ func Save(conf TomlConfig, rootless bool) error {
 }
 
 // StorageConfig is used to retrieve the storage.conf toml in order to overwrite it
-func StorageConfig(rootless bool) (*TomlConfig, error) {
+func StorageConfig() (*TomlConfig, error) {
 	config := new(TomlConfig)
 
-	configFile, err := DefaultConfigFile(rootless)
+	configFile, err := DefaultConfigFile()
 	if err != nil {
 		return nil, err
 	}

types/utils.go

@@ -8,6 +8,7 @@ import (
 	"strings"
 
 	"github.com/containers/storage/pkg/homedir"
+	"github.com/containers/storage/pkg/unshare"
 	"github.com/sirupsen/logrus"
 )
 
@@ -22,15 +23,16 @@ func expandEnvPath(path string, rootlessUID int) (string, error) {
 	return newpath, nil
 }
 
-func DefaultConfigFile(rootless bool) (string, error) {
+func DefaultConfigFile() (string, error) {
+
 	if defaultConfigFileSet {
 		return defaultConfigFile, nil
 	}
 
 	if path, ok := os.LookupEnv(storageConfEnv); ok {
 		return path, nil
 	}
-	if !rootless {
+	if unshare.GetRootlessUID() == 0 {
 		if _, err := os.Stat(defaultOverrideConfigFile); err == nil {
 			return defaultOverrideConfigFile, nil
 		}

types/utils_test.go

@@ -21,7 +21,7 @@ func TestDefaultStoreOpts(t *testing.T) {
 
 func TestStorageConfOverrideEnvironmentDefaultConfigFileRootless(t *testing.T) {
 	t.Setenv("CONTAINERS_STORAGE_CONF", "default_override_test.conf")
-	defaultFile, err := DefaultConfigFile(true)
+	defaultFile, err := DefaultConfigFile()
 
 	expectedPath := "default_override_test.conf"
 
@@ -31,7 +31,7 @@ func TestStorageConfOverrideEnvironmentDefaultConfigFileRootless(t *testing.T) {
 
 func TestStorageConfOverrideEnvironmentDefaultConfigFileRoot(t *testing.T) {
 	t.Setenv("CONTAINERS_STORAGE_CONF", "default_override_test.conf")
-	defaultFile, err := DefaultConfigFile(false)
+	defaultFile, err := DefaultConfigFile()
 
 	expectedPath := "default_override_test.conf"
 

utils.go

@@ -11,14 +11,9 @@ func ParseIDMapping(UIDMapSlice, GIDMapSlice []string, subUIDMap, subGIDMap stri
 	return types.ParseIDMapping(UIDMapSlice, GIDMapSlice, subUIDMap, subGIDMap)
 }
 
-// DefaultStoreOptionsAutoDetectUID returns the default storage options for containers
-func DefaultStoreOptionsAutoDetectUID() (types.StoreOptions, error) {
-	return types.DefaultStoreOptionsAutoDetectUID()
-}
-
 // DefaultStoreOptions returns the default storage options for containers
-func DefaultStoreOptions(rootless bool, rootlessUID int) (types.StoreOptions, error) {
-	return types.DefaultStoreOptions(rootless, rootlessUID)
+func DefaultStoreOptions() (types.StoreOptions, error) {
+	return types.DefaultStoreOptions()
 }
 
 func validateMountOptions(mountOptions []string) error {