X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/a7631a1ccb6e2a6925d00a06562e171c4ce4ea2f..f7bf9d69603db2d500563648460e2a96524de266:/sdk/go/arvados/fs_site_test.go

diff --git a/sdk/go/arvados/fs_site_test.go b/sdk/go/arvados/fs_site_test.go
index 778b12015a..bf24efa7ed 100644
--- a/sdk/go/arvados/fs_site_test.go
+++ b/sdk/go/arvados/fs_site_test.go
@@ -5,8 +5,13 @@
 package arvados
 
 import (
+	"fmt"
+	"io"
+	"io/ioutil"
 	"net/http"
 	"os"
+	"strings"
+	"syscall"
 	"time"
 
 	check "gopkg.in/check.v1"
@@ -16,19 +21,34 @@ const (
 	// Importing arvadostest would be an import cycle, so these
 	// fixtures are duplicated here [until fs moves to a separate
 	// package].
-	fixtureActiveToken             = "3kg6k6lzmp9kj5cpkcoxie963cmvjahbt2fod9zru30k1jqdmi"
-	fixtureAProjectUUID            = "zzzzz-j7d0g-v955i6s2oi1cbso"
-	fixtureFooAndBarFilesInDirUUID = "zzzzz-4zz18-foonbarfilesdir"
-	fixtureFooCollectionName       = "zzzzz-4zz18-fy296fx3hot09f7 added sometime"
-	fixtureFooCollectionPDH        = "1f4b0bc7583c2a7f9102c395f4ffc5e3+45"
-	fixtureFooCollection           = "zzzzz-4zz18-fy296fx3hot09f7"
-	fixtureNonexistentCollection   = "zzzzz-4zz18-totallynotexist"
-	fixtureBlobSigningKey          = "zfhgfenhffzltr9dixws36j1yhksjoll2grmku38mi7yxd66h5j4q9w4jzanezacp8s6q0ro3hxakfye02152hncy6zml2ed0uc"
-	fixtureBlobSigningTTL          = 336 * time.Hour
+	fixtureActiveToken                  = "3kg6k6lzmp9kj5cpkcoxie963cmvjahbt2fod9zru30k1jqdmi"
+	fixtureAProjectUUID                 = "zzzzz-j7d0g-v955i6s2oi1cbso"
+	fixtureThisFilterGroupUUID          = "zzzzz-j7d0g-thisfiltergroup"
+	fixtureAFilterGroupTwoUUID          = "zzzzz-j7d0g-afiltergrouptwo"
+	fixtureAFilterGroupThreeUUID        = "zzzzz-j7d0g-filtergroupthre"
+	fixtureAFilterGroupFourUUID         = "zzzzz-j7d0g-filtergroupfour"
+	fixtureAFilterGroupFiveUUID         = "zzzzz-j7d0g-filtergroupfive"
+	fixtureFooAndBarFilesInDirUUID      = "zzzzz-4zz18-foonbarfilesdir"
+	fixtureFooCollectionName            = "zzzzz-4zz18-fy296fx3hot09f7 added sometime"
+	fixtureFooCollectionPDH             = "1f4b0bc7583c2a7f9102c395f4ffc5e3+45"
+	fixtureFooCollection                = "zzzzz-4zz18-fy296fx3hot09f7"
+	fixtureNonexistentCollection        = "zzzzz-4zz18-totallynotexist"
+	fixtureStorageClassesDesiredArchive = "zzzzz-4zz18-3t236wr12769qqa"
+	fixtureBlobSigningKey               = "zfhgfenhffzltr9dixws36j1yhksjoll2grmku38mi7yxd66h5j4q9w4jzanezacp8s6q0ro3hxakfye02152hncy6zml2ed0uc"
+	fixtureBlobSigningTTL               = 336 * time.Hour
 )
 
 var _ = check.Suite(&SiteFSSuite{})
 
+func init() {
+	// Enable DebugLocksPanicMode sometimes. Don't enable it all
+	// the time, though -- it adds many calls to time.Sleep(),
+	// which could hide different bugs.
+	if time.Now().Second()&1 == 0 {
+		DebugLocksPanicMode = true
+	}
+}
+
 type SiteFSSuite struct {
 	client *Client
 	fs     CustomFileSystem
@@ -65,6 +85,17 @@ func (s *SiteFSSuite) TestByIDEmpty(c *check.C) {
 	c.Check(len(fis), check.Equals, 0)
 }
 
+func (s *SiteFSSuite) TestUpdateStorageClasses(c *check.C) {
+	f, err := s.fs.OpenFile("/by_id/"+fixtureStorageClassesDesiredArchive+"/newfile", os.O_CREATE|os.O_RDWR, 0777)
+	c.Assert(err, check.IsNil)
+	_, err = f.Write([]byte("nope"))
+	c.Assert(err, check.IsNil)
+	err = f.Close()
+	c.Assert(err, check.IsNil)
+	err = s.fs.Sync()
+	c.Assert(err, check.ErrorMatches, `.*stub does not write storage class "archive"`)
+}
+
 func (s *SiteFSSuite) TestByUUIDAndPDH(c *check.C) {
 	f, err := s.fs.Open("/by_id")
 	c.Assert(err, check.IsNil)
@@ -105,16 +136,239 @@ func (s *SiteFSSuite) TestByUUIDAndPDH(c *check.C) {
 	c.Check(names, check.DeepEquals, []string{"baz"})
 
 	_, err = s.fs.OpenFile("/by_id/"+fixtureNonexistentCollection, os.O_RDWR|os.O_CREATE, 0755)
-	c.Check(err, check.Equals, ErrInvalidArgument)
+	c.Check(err, ErrorIs, ErrInvalidOperation)
 	err = s.fs.Rename("/by_id/"+fixtureFooCollection, "/by_id/beep")
-	c.Check(err, check.Equals, ErrInvalidArgument)
+	c.Check(err, ErrorIs, ErrInvalidOperation)
 	err = s.fs.Rename("/by_id/"+fixtureFooCollection+"/foo", "/by_id/beep")
-	c.Check(err, check.Equals, ErrInvalidArgument)
+	c.Check(err, ErrorIs, ErrInvalidOperation)
 	_, err = s.fs.Stat("/by_id/beep")
 	c.Check(err, check.Equals, os.ErrNotExist)
 	err = s.fs.Rename("/by_id/"+fixtureFooCollection+"/foo", "/by_id/"+fixtureFooCollection+"/bar")
 	c.Check(err, check.IsNil)
 
 	err = s.fs.Rename("/by_id", "/beep")
-	c.Check(err, check.Equals, ErrInvalidArgument)
+	c.Check(err, ErrorIs, ErrInvalidOperation)
+}
+
+// Copy subtree from OS src to dst path inside fs. If src is a
+// directory, dst must exist and be a directory.
+func copyFromOS(fs FileSystem, dst, src string) error {
+	inf, err := os.Open(src)
+	if err != nil {
+		return err
+	}
+	defer inf.Close()
+	dirents, err := inf.Readdir(-1)
+	if e, ok := err.(*os.PathError); ok {
+		if e, ok := e.Err.(syscall.Errno); ok {
+			if e == syscall.ENOTDIR {
+				err = syscall.ENOTDIR
+			}
+		}
+	}
+	if err == syscall.ENOTDIR {
+		outf, err := fs.OpenFile(dst, os.O_CREATE|os.O_EXCL|os.O_TRUNC|os.O_WRONLY, 0700)
+		if err != nil {
+			return fmt.Errorf("open %s: %s", dst, err)
+		}
+		defer outf.Close()
+		_, err = io.Copy(outf, inf)
+		if err != nil {
+			return fmt.Errorf("%s: copying data from %s: %s", dst, src, err)
+		}
+		err = outf.Close()
+		if err != nil {
+			return err
+		}
+	} else if err != nil {
+		return fmt.Errorf("%s: readdir: %T %s", src, err, err)
+	} else {
+		{
+			d, err := fs.Open(dst)
+			if err != nil {
+				return fmt.Errorf("opendir(%s): %s", dst, err)
+			}
+			d.Close()
+		}
+		for _, ent := range dirents {
+			if ent.Name() == "." || ent.Name() == ".." {
+				continue
+			}
+			dstname := dst + "/" + ent.Name()
+			if ent.IsDir() {
+				err = fs.Mkdir(dstname, 0700)
+				if err != nil {
+					return fmt.Errorf("mkdir %s: %s", dstname, err)
+				}
+			}
+			err = copyFromOS(fs, dstname, src+"/"+ent.Name())
+			if err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
+func (s *SiteFSSuite) TestSnapshotSplice(c *check.C) {
+	s.fs.MountProject("home", "")
+	thisfile, err := ioutil.ReadFile("fs_site_test.go")
+	c.Assert(err, check.IsNil)
+
+	var src1 Collection
+	err = s.client.RequestAndDecode(&src1, "POST", "arvados/v1/collections", nil, map[string]interface{}{
+		"collection": map[string]string{
+			"name":       "TestSnapshotSplice src1",
+			"owner_uuid": fixtureAProjectUUID,
+		},
+	})
+	c.Assert(err, check.IsNil)
+	defer s.client.RequestAndDecode(nil, "DELETE", "arvados/v1/collections/"+src1.UUID, nil, nil)
+	err = s.fs.Sync()
+	c.Assert(err, check.IsNil)
+	err = copyFromOS(s.fs, "/home/A Project/TestSnapshotSplice src1", "..") // arvados.git/sdk/go
+	c.Assert(err, check.IsNil)
+
+	var src2 Collection
+	err = s.client.RequestAndDecode(&src2, "POST", "arvados/v1/collections", nil, map[string]interface{}{
+		"collection": map[string]string{
+			"name":       "TestSnapshotSplice src2",
+			"owner_uuid": fixtureAProjectUUID,
+		},
+	})
+	c.Assert(err, check.IsNil)
+	defer s.client.RequestAndDecode(nil, "DELETE", "arvados/v1/collections/"+src2.UUID, nil, nil)
+	err = s.fs.Sync()
+	c.Assert(err, check.IsNil)
+	err = copyFromOS(s.fs, "/home/A Project/TestSnapshotSplice src2", "..") // arvados.git/sdk/go
+	c.Assert(err, check.IsNil)
+
+	var dst Collection
+	err = s.client.RequestAndDecode(&dst, "POST", "arvados/v1/collections", nil, map[string]interface{}{
+		"collection": map[string]string{
+			"name":       "TestSnapshotSplice dst",
+			"owner_uuid": fixtureAProjectUUID,
+		},
+	})
+	c.Assert(err, check.IsNil)
+	defer s.client.RequestAndDecode(nil, "DELETE", "arvados/v1/collections/"+dst.UUID, nil, nil)
+	err = s.fs.Sync()
+	c.Assert(err, check.IsNil)
+
+	dstPath := "/home/A Project/TestSnapshotSplice dst"
+	err = copyFromOS(s.fs, dstPath, "..") // arvados.git/sdk/go
+	c.Assert(err, check.IsNil)
+
+	// Snapshot directory
+	snap1, err := Snapshot(s.fs, "/home/A Project/TestSnapshotSplice src1/ctxlog")
+	c.Check(err, check.IsNil)
+	// Attach same snapshot twice, at paths that didn't exist before
+	err = Splice(s.fs, dstPath+"/ctxlog-copy", snap1)
+	c.Check(err, check.IsNil)
+	err = Splice(s.fs, dstPath+"/ctxlog-copy2", snap1)
+	c.Check(err, check.IsNil)
+	// Splicing a snapshot twice results in two independent copies
+	err = s.fs.Rename(dstPath+"/ctxlog-copy2/log.go", dstPath+"/ctxlog-copy/log2.go")
+	c.Check(err, check.IsNil)
+	_, err = s.fs.Open(dstPath + "/ctxlog-copy2/log.go")
+	c.Check(err, check.Equals, os.ErrNotExist)
+	f, err := s.fs.Open(dstPath + "/ctxlog-copy/log.go")
+	if c.Check(err, check.IsNil) {
+		buf, err := ioutil.ReadAll(f)
+		c.Check(err, check.IsNil)
+		c.Check(string(buf), check.Not(check.Equals), "")
+		f.Close()
+	}
+
+	// Snapshot regular file
+	snapFile, err := Snapshot(s.fs, "/home/A Project/TestSnapshotSplice src1/arvados/fs_site_test.go")
+	c.Check(err, check.IsNil)
+	// Replace dir with file
+	err = Splice(s.fs, dstPath+"/ctxlog-copy2", snapFile)
+	c.Check(err, check.IsNil)
+	if f, err := s.fs.Open(dstPath + "/ctxlog-copy2"); c.Check(err, check.IsNil) {
+		buf, err := ioutil.ReadAll(f)
+		c.Check(err, check.IsNil)
+		c.Check(string(buf), check.Equals, string(thisfile))
+	}
+
+	// Cannot splice a file onto a collection root; cannot splice
+	// anything to a target outside a collection.
+	for _, badpath := range []string{
+		dstPath + "/",
+		dstPath,
+		"/home/A Project/newnodename/",
+		"/home/A Project/newnodename",
+		"/home/A Project/",
+		"/home/A Project",
+		"/home/newnodename/",
+		"/home/newnodename",
+		"/home/",
+		"/home",
+		"/newnodename/",
+		"/newnodename",
+		"/",
+	} {
+		err = Splice(s.fs, badpath, snapFile)
+		c.Check(err, check.NotNil)
+		if strings.Contains(badpath, "newnodename") && strings.HasSuffix(badpath, "/") {
+			c.Check(err, ErrorIs, os.ErrNotExist, check.Commentf("badpath %q", badpath))
+		} else {
+			c.Check(err, ErrorIs, ErrInvalidOperation, check.Commentf("badpath %q", badpath))
+		}
+		if strings.TrimSuffix(badpath, "/") == dstPath {
+			c.Check(err, check.ErrorMatches, `cannot use Splice to attach a file at top level of \*arvados.collectionFileSystem: invalid operation`, check.Commentf("badpath: %q", badpath))
+			continue
+		}
+
+		err = Splice(s.fs, badpath, snap1)
+		if strings.Contains(badpath, "newnodename") && strings.HasSuffix(badpath, "/") {
+			c.Check(err, ErrorIs, os.ErrNotExist, check.Commentf("badpath %q", badpath))
+		} else {
+			c.Check(err, ErrorIs, ErrInvalidOperation, check.Commentf("badpath %q", badpath))
+		}
+	}
+
+	// Destination's parent must already exist
+	for _, badpath := range []string{
+		dstPath + "/newdirname/",
+		dstPath + "/newdirname/foobar",
+		"/foo/bar",
+	} {
+		err = Splice(s.fs, badpath, snap1)
+		c.Check(err, ErrorIs, os.ErrNotExist, check.Commentf("badpath %s", badpath))
+		err = Splice(s.fs, badpath, snapFile)
+		c.Check(err, ErrorIs, os.ErrNotExist, check.Commentf("badpath %s", badpath))
+	}
+
+	snap2, err := Snapshot(s.fs, dstPath+"/ctxlog-copy")
+	if c.Check(err, check.IsNil) {
+		err = Splice(s.fs, dstPath+"/ctxlog-copy-copy", snap2)
+		c.Check(err, check.IsNil)
+	}
+
+	// Snapshot entire collection, splice into same collection at
+	// a new path, remove file from original location, verify
+	// spliced content survives
+	snapDst, err := Snapshot(s.fs, dstPath+"")
+	c.Check(err, check.IsNil)
+	err = Splice(s.fs, dstPath+"", snapDst)
+	c.Check(err, check.IsNil)
+	err = Splice(s.fs, dstPath+"/copy1", snapDst)
+	c.Check(err, check.IsNil)
+	err = Splice(s.fs, dstPath+"/copy2", snapDst)
+	c.Check(err, check.IsNil)
+	err = s.fs.RemoveAll(dstPath + "/arvados/fs_site_test.go")
+	c.Check(err, check.IsNil)
+	err = s.fs.RemoveAll(dstPath + "/arvados")
+	c.Check(err, check.IsNil)
+	_, err = s.fs.Open(dstPath + "/arvados/fs_site_test.go")
+	c.Check(err, check.Equals, os.ErrNotExist)
+	f, err = s.fs.Open(dstPath + "/copy2/arvados/fs_site_test.go")
+	if c.Check(err, check.IsNil) {
+		defer f.Close()
+		buf, err := ioutil.ReadAll(f)
+		c.Check(err, check.IsNil)
+		c.Check(string(buf), check.Equals, string(thisfile))
+	}
 }