[ARVADOS] updated: fba6fa53d377c6704849a2bdb731be9a0eec3aa2

git at public.curoverse.com git at public.curoverse.com
Mon Oct 12 09:14:38 EDT 2015


Summary of changes:
 tools/keep-rsync/keep-rsync.go      |   7 +-
 tools/keep-rsync/keep-rsync_test.go | 133 ++++++++++++++++++++++++------------
 2 files changed, 92 insertions(+), 48 deletions(-)

       via  fba6fa53d377c6704849a2bdb731be9a0eec3aa2 (commit)
      from  e1492d82f4326cc58531b92844118b987575846e (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.


commit fba6fa53d377c6704849a2bdb731be9a0eec3aa2
Author: radhika <radhika at curoverse.com>
Date:   Mon Oct 12 09:13:45 2015 -0400

    7167: some more error tests such as error getting block from src and error putting block to dst.

diff --git a/tools/keep-rsync/keep-rsync.go b/tools/keep-rsync/keep-rsync.go
index 226b597..d619ff3 100644
--- a/tools/keep-rsync/keep-rsync.go
+++ b/tools/keep-rsync/keep-rsync.go
@@ -2,7 +2,6 @@ package main
 
 import (
 	"bytes"
-	"errors"
 	"flag"
 	"git.curoverse.com/arvados.git/sdk/go/arvadosclient"
 	"git.curoverse.com/arvados.git/sdk/go/keepclient"
@@ -299,15 +298,11 @@ func copyBlocksToDst(toBeCopied []string) error {
 		}
 
 		log.Printf("Copying block: %q", locator)
-		_, rep, err := kcDst.PutB(data)
+		_, _, err = kcDst.PutB(data)
 		if err != nil {
 			log.Printf("Error putting block data: %q %v", locator, err)
 			return err
 		}
-		if rep != replications {
-			log.Printf("Failed to put enough number of replicas. Wanted: %d; Put: %d", replications, rep)
-			return errors.New("Failed to put enough number of replicas")
-		}
 
 		done++
 		log.Printf("%.2f%% done", float64(done)/float64(total)*100)
diff --git a/tools/keep-rsync/keep-rsync_test.go b/tools/keep-rsync/keep-rsync_test.go
index 26e87f0..3ea1b95 100644
--- a/tools/keep-rsync/keep-rsync_test.go
+++ b/tools/keep-rsync/keep-rsync_test.go
@@ -9,6 +9,7 @@ import (
 	"testing"
 	"time"
 
+	"git.curoverse.com/arvados.git/sdk/go/arvadosclient"
 	"git.curoverse.com/arvados.git/sdk/go/arvadostest"
 	"git.curoverse.com/arvados.git/sdk/go/keepclient"
 
@@ -31,11 +32,19 @@ func (s *ServerRequiredSuite) SetUpSuite(c *C) {
 
 func (s *ServerRequiredSuite) SetUpTest(c *C) {
 	arvadostest.ResetEnv()
+
+	// reset all variables between tests
+	srcConfig = arvadosclient.APIConfig{}
+	dstConfig = arvadosclient.APIConfig{}
+	blobSigningKey = ""
 	srcKeepServicesJSON = ""
 	dstKeepServicesJSON = ""
 	replications = 0
 	prefix = ""
-	blobSigningKey = ""
+	arvSrc = arvadosclient.ArvadosClient{}
+	arvDst = arvadosclient.ArvadosClient{}
+	kcSrc = &keepclient.KeepClient{}
+	kcDst = &keepclient.KeepClient{}
 }
 
 func (s *ServerRequiredSuite) TearDownSuite(c *C) {
@@ -49,7 +58,7 @@ var testKeepServicesJSON = "{ \"kind\":\"arvados#keepServiceList\", \"etag\":\"\
 // The test setup hence tweaks keep-rsync initialization to achieve this.
 // First invoke initializeKeepRsync and then invoke StartKeepWithParams
 // to create the keep servers to be used as destination.
-func setupRsync(c *C, enforcePermissions bool, overwrite bool) {
+func setupRsync(c *C, enforcePermissions bool, setupDstServers bool) {
 	// srcConfig
 	srcConfig.APIHost = os.Getenv("ARVADOS_API_HOST")
 	srcConfig.APIToken = os.Getenv("ARVADOS_API_TOKEN")
@@ -74,7 +83,7 @@ func setupRsync(c *C, enforcePermissions bool, overwrite bool) {
 
 	// Create an additional keep server to be used as destination and reload kcDst
 	// Set replications to 1 since those many keep servers were created for dst.
-	if overwrite {
+	if setupDstServers {
 		arvadostest.StartKeepWithParams(true, enforcePermissions)
 		replications = 1
 
@@ -292,11 +301,57 @@ func testKeepRsync(c *C, enforcePermissions bool, indexPrefix string) {
 
 	prefix = indexPrefix
 
+	// setupTestData
+	setupTestData(c, enforcePermissions, prefix)
+
+	err := performKeepRsync()
+	c.Check(err, IsNil)
+
+	// Now GetIndex from dst and verify that all 5 from src and the 2 extra blocks are found
+	dstIndex, err := getUniqueLocators(kcDst, "")
+	c.Check(err, IsNil)
+
+	if prefix == "" {
+		for _, locator := range srcLocators {
+			_, ok := dstIndex[locator]
+			c.Assert(ok, Equals, true)
+		}
+	} else {
+		for _, locator := range srcLocatorsMatchingPrefix {
+			_, ok := dstIndex[locator]
+			c.Assert(ok, Equals, true)
+		}
+	}
+
+	for _, locator := range extraDstLocators {
+		_, ok := dstIndex[locator]
+		c.Assert(ok, Equals, true)
+	}
+
+	if prefix == "" {
+		// all blocks from src and the two extra blocks
+		c.Assert(len(dstIndex), Equals, len(srcLocators)+len(extraDstLocators))
+	} else {
+		// one matching prefix, 2 that were initially copied into dst along with src, and the extra blocks
+		c.Assert(len(dstIndex), Equals, len(srcLocatorsMatchingPrefix)+len(extraDstLocators)+2)
+	}
+}
+
+// Setup test data in src and dst.
+var srcLocators []string
+var srcLocatorsMatchingPrefix []string
+var dstLocators []string
+var extraDstLocators []string
+
+func setupTestData(c *C, enforcePermissions bool, indexPrefix string) {
+	srcLocators = []string{}
+	srcLocatorsMatchingPrefix = []string{}
+	dstLocators = []string{}
+	extraDstLocators = []string{}
+
 	tomorrow := time.Now().AddDate(0, 0, 1)
 
 	// Put a few blocks in src using kcSrc
-	var srcLocators []string
-	var srcLocatorsMatchingPrefix []string
 	for i := 0; i < 5; i++ {
 		data := []byte(fmt.Sprintf("test-data-%d", i))
 		hash := fmt.Sprintf("%x", md5.Sum(data))
@@ -324,7 +379,6 @@ func testKeepRsync(c *C, enforcePermissions bool, indexPrefix string) {
 	}
 
 	// Put first two of those src blocks in dst using kcDst
-	var dstLocators []string
 	for i := 0; i < 2; i++ {
 		data := []byte(fmt.Sprintf("test-data-%d", i))
 		hash := fmt.Sprintf("%x", md5.Sum(data))
@@ -349,7 +403,6 @@ func testKeepRsync(c *C, enforcePermissions bool, indexPrefix string) {
 	}
 
 	// Put two more blocks in dst; they are not in src at all
-	var extraDstLocators []string
 	for i := 0; i < 2; i++ {
 		data := []byte(fmt.Sprintf("other-data-%d", i))
 		hash := fmt.Sprintf("%x", md5.Sum(data))
@@ -372,38 +425,6 @@ func testKeepRsync(c *C, enforcePermissions bool, indexPrefix string) {
 
 		extraDstLocators = append(extraDstLocators, fmt.Sprintf("%s+%d", hash, blocklen))
 	}
-
-	err := performKeepRsync()
-	c.Check(err, IsNil)
-
-	// Now GetIndex from dst and verify that all 5 from src and the 2 extra blocks are found
-	dstIndex, err := getUniqueLocators(kcDst, "")
-	c.Check(err, IsNil)
-
-	if prefix == "" {
-		for _, locator := range srcLocators {
-			_, ok := dstIndex[locator]
-			c.Assert(ok, Equals, true)
-		}
-	} else {
-		for _, locator := range srcLocatorsMatchingPrefix {
-			_, ok := dstIndex[locator]
-			c.Assert(ok, Equals, true)
-		}
-	}
-
-	for _, locator := range extraDstLocators {
-		_, ok := dstIndex[locator]
-		c.Assert(ok, Equals, true)
-	}
-
-	if prefix == "" {
-		// all blocks from src and the two extra blocks
-		c.Assert(len(dstIndex), Equals, len(srcLocators)+len(extraDstLocators))
-	} else {
-		// one matching prefix, 2 that were initially copied into dst along with src, and the extra blocks
-		c.Assert(len(dstIndex), Equals, len(srcLocatorsMatchingPrefix)+len(extraDstLocators)+2)
-	}
 }
 
 // Setup rsync using srcKeepServicesJSON with fake keepservers.
@@ -411,10 +432,10 @@ func testKeepRsync(c *C, enforcePermissions bool, indexPrefix string) {
 func (s *ServerRequiredSuite) TestErrorDuringRsync_FakeSrcKeepservers(c *C) {
 	srcKeepServicesJSON = testKeepServicesJSON
 
-	setupRsync(c, false, true)
+	setupRsync(c, false, false)
 
 	err := performKeepRsync()
-	c.Check(err, NotNil)
+	c.Check(strings.HasSuffix(err.Error(), "no such host"), Equals, true)
 }
 
 // Setup rsync using dstKeepServicesJSON with fake keepservers.
@@ -425,5 +446,33 @@ func (s *ServerRequiredSuite) TestErrorDuringRsync_FakeDstKeepservers(c *C) {
 	setupRsync(c, false, false)
 
 	err := performKeepRsync()
-	c.Check(err, NotNil)
+	c.Check(strings.HasSuffix(err.Error(), "no such host"), Equals, true)
+}
+
+// Test rsync with signature error during Get from src.
+func (s *ServerRequiredSuite) TestErrorDuringRsync_ErrorGettingBlockFromSrc(c *C) {
+	setupRsync(c, true, true)
+
+	// put some blocks in src and dst
+	setupTestData(c, true, "")
+
+	// Change blob signing key to a fake key, so that Get from src fails
+	blobSigningKey = "123456789012345678901234yhksjoll2grmku38mi7yxd66h5j4q9w4jzanezacp8s6q0ro3hxakfye02152hncy6zml2ed0uc"
+
+	err := performKeepRsync()
+	c.Check(err.Error(), Equals, "Block not found")
+}
+
+// Test rsync with error during Put to src.
+func (s *ServerRequiredSuite) TestErrorDuringRsync_ErrorPuttingBlockInDst(c *C) {
+	setupRsync(c, false, true)
+
+	// put some blocks in src and dst
+	setupTestData(c, true, "")
+
+	// Increase Want_replicas on dst to result in insufficient replicas error during Put
+	kcDst.Want_replicas = 2
+
+	err := performKeepRsync()
+	c.Check(err.Error(), Equals, "Could not write sufficient replicas")
 }

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