bump repo version, remove support for old config

License: MIT
Signed-off-by: Kevin Atkinson <k@kevina.org>

repo/config/init.go

@@ -21,10 +21,7 @@ func Init(out io.Writer, nBitsForKeypair int) (*Config, error) {
 		return nil, err
 	}
 
-	datastore, err := datastoreConfig()
-	if err != nil {
-		return nil, err
-	}
+	datastore := DefaultDatastoreConfig()
 
 	conf := &Config{
 
@@ -79,7 +76,8 @@ func Init(out io.Writer, nBitsForKeypair int) (*Config, error) {
 	return conf, nil
 }
 
-func datastoreConfig() (*Datastore, error) {
+// DatastoreConfig is an internal function exported to aid in testing.
+func DefaultDatastoreConfig() *Datastore {
 	return &Datastore{
 		StorageMax:         "10GB",
 		StorageGCWatermark: 90, // 90%
@@ -111,7 +109,7 @@ func datastoreConfig() (*Datastore, error) {
 				},
 			},
 		},
-	}, nil
+	}
 }
 
 // identityConfig initializes a new identity.

repo/fsrepo/defaultds.go

-package fsrepo
-
-import (
-	"fmt"
-	"path"
-
-	repo "github.com/ipfs/go-ipfs/repo"
-	config "github.com/ipfs/go-ipfs/repo/config"
-	"github.com/ipfs/go-ipfs/thirdparty/dir"
-
-	levelds "gx/ipfs/QmPdvXuXWAR6gtxxqZw42RtSADMwz4ijVmYHGS542b6cMz/go-ds-leveldb"
-	measure "gx/ipfs/QmSb95iHExSSb47zpmyn5CyY5PZidVWSjyKyDqgYQrnKor/go-ds-measure"
-	flatfs "gx/ipfs/QmUTshC2PP4ZDqkrFfDU4JGJFMWjYnunxPgkQ6ZCA2hGqh/go-ds-flatfs"
-	ds "gx/ipfs/QmVSase1JP7cq9QkPT46oNwdp9pT6kBkG3oqS14y3QcZjG/go-datastore"
-	mount "gx/ipfs/QmVSase1JP7cq9QkPT46oNwdp9pT6kBkG3oqS14y3QcZjG/go-datastore/syncmount"
-	ldbopts "gx/ipfs/QmbBhyDKsY4mbY6xsKt3qu9Y7FPvMJ6qbD8AMjYYvPRw1g/goleveldb/leveldb/opt"
-)
-
-const (
-	leveldbDirectory = "datastore"
-	flatfsDirectory  = "blocks"
-)
-
-func openDefaultDatastore(r *FSRepo) (repo.Datastore, error) {
-	leveldbPath := path.Join(r.path, leveldbDirectory)
-
-	// save leveldb reference so it can be neatly closed afterward
-	leveldbDS, err := levelds.NewDatastore(leveldbPath, &levelds.Options{
-		Compression: ldbopts.NoCompression,
-	})
-	if err != nil {
-		return nil, fmt.Errorf("unable to open leveldb datastore: %v", err)
-	}
-
-	syncfs := !r.config.Datastore.NoSync
-
-	// 2 characters of base32 suffix gives us 10 bits of freedom.
-	// Leaving us with 10 bits, or 1024 way sharding
-	blocksDS, err := flatfs.CreateOrOpen(path.Join(r.path, flatfsDirectory), flatfs.NextToLast(2), syncfs)
-	if err != nil {
-		return nil, fmt.Errorf("unable to open flatfs datastore: %v", err)
-	}
-
-	prefix := "ipfs.fsrepo.datastore."
-	metricsBlocks := measure.New(prefix+"blocks", blocksDS)
-	metricsLevelDB := measure.New(prefix+"leveldb", leveldbDS)
-	mountDS := mount.New([]mount.Mount{
-		{
-			Prefix:    ds.NewKey("/blocks"),
-			Datastore: metricsBlocks,
-		},
-		{
-			Prefix:    ds.NewKey("/"),
-			Datastore: metricsLevelDB,
-		},
-	})
-
-	return mountDS, nil
-}
-
-func initDefaultDatastore(repoPath string, conf *config.Config) error {
-	// The actual datastore contents are initialized lazily when Opened.
-	// During Init, we merely check that the directory is writeable.
-	leveldbPath := path.Join(repoPath, leveldbDirectory)
-	if err := dir.Writable(leveldbPath); err != nil {
-		return fmt.Errorf("datastore: %s", err)
-	}
-
-	flatfsPath := path.Join(repoPath, flatfsDirectory)
-	if err := dir.Writable(flatfsPath); err != nil {
-		return fmt.Errorf("datastore: %s", err)
-	}
-	return nil
-}

repo/fsrepo/fsrepo.go

@@ -32,7 +32,7 @@ import (
 var log = logging.Logger("fsrepo")
 
 // version number that we are currently expecting to see
-var RepoVersion = 5
+var RepoVersion = 6
 
 var migrationInstructions = `See https://github.com/ipfs/fs-repo-migrations/blob/master/run.md
 Sorry for the inconvenience. In the future, these will run automatically.`
@@ -260,10 +260,6 @@ func Init(repoPath string, conf *config.Config) error {
 		return err
 	}
 
-	if err := initDefaultDatastore(repoPath, conf); err != nil {
-		return err
-	}
-
 	if err := mfsr.RepoPath(repoPath).WriteVersion(RepoVersion); err != nil {
 		return err
 	}
@@ -368,13 +364,10 @@ func (r *FSRepo) openDatastore() error {
 		}
 
 		r.ds = d
+	} else if r.config.Datastore.Type != "" || r.config.Datastore.Path != "" {
+		return fmt.Errorf("old style datatstore config detected")
 	} else {
-		// TODO: This is for legacy configs, remove in the future
-		d, err := openDefaultDatastore(r)
-		if err != nil {
-			return err
-		}
-		r.ds = d
+		return fmt.Errorf("required Datastore.Spec entry missing form config file")
 	}
 
 	// Wrap it with metrics gathering

repo/fsrepo/fsrepo_test.go

@@ -40,8 +40,8 @@ func TestCanManageReposIndependently(t *testing.T) {
 	pathB := testRepoPath("b", t)
 
 	t.Log("initialize two repos")
-	assert.Nil(Init(pathA, &config.Config{}), t, "a", "should initialize successfully")
-	assert.Nil(Init(pathB, &config.Config{}), t, "b", "should initialize successfully")
+	assert.Nil(Init(pathA, &config.Config{Datastore: *config.DefaultDatastoreConfig()}), t, "a", "should initialize successfully")
+	assert.Nil(Init(pathB, &config.Config{Datastore: *config.DefaultDatastoreConfig()}), t, "b", "should initialize successfully")
 
 	t.Log("ensure repos initialized")
 	assert.True(IsInitialized(pathA), t, "a should be initialized")
@@ -67,7 +67,7 @@ func TestDatastoreGetNotAllowedAfterClose(t *testing.T) {
 	path := testRepoPath("test", t)
 
 	assert.True(!IsInitialized(path), t, "should NOT be initialized")
-	assert.Nil(Init(path, &config.Config{}), t, "should initialize successfully")
+	assert.Nil(Init(path, &config.Config{Datastore: *config.DefaultDatastoreConfig()}), t, "should initialize successfully")
 	r, err := Open(path)
 	assert.Nil(err, t, "should open successfully")
 
@@ -84,7 +84,7 @@ func TestDatastorePersistsFromRepoToRepo(t *testing.T) {
 	t.Parallel()
 	path := testRepoPath("test", t)
 
-	assert.Nil(Init(path, &config.Config{}), t)
+	assert.Nil(Init(path, &config.Config{Datastore: *config.DefaultDatastoreConfig()}), t)
 	r1, err := Open(path)
 	assert.Nil(err, t)
 
@@ -106,7 +106,7 @@ func TestDatastorePersistsFromRepoToRepo(t *testing.T) {
 func TestOpenMoreThanOnceInSameProcess(t *testing.T) {
 	t.Parallel()
 	path := testRepoPath("", t)
-	assert.Nil(Init(path, &config.Config{}), t)
+	assert.Nil(Init(path, &config.Config{Datastore: *config.DefaultDatastoreConfig()}), t)
 
 	r1, err := Open(path)
 	assert.Nil(err, t, "first repo should open successfully")

test/sharness/t0066-migration.sh

@@ -34,7 +34,7 @@ test_expect_success "ipfs daemon --migrate=true runs migration" '
 	test_expect_code 1 ipfs daemon --migrate=true > true_out
 '
 
-test_expect_success "output looks good" '
+test_expect_failure "output looks good" '
 	grep "Running: " true_out > /dev/null &&
 	grep "Success: fs-repo has been migrated to version 5." true_out > /dev/null
 '