func (im *Model) registerHostName(hostName string) {
attribs := []dynamodb.Attribute{
*dynamodb.NewStringAttribute(cPrimKey, hostName),
*dynamodb.NewStringAttribute("ts", fmt.Sprintf("%d", time.Now().Unix())),
}
if _, err := im.table.PutItem(hostName, cPrimKey, attribs); err != nil {
log.Fatal("The hostname can't be registered on the instances table, Error:", err)
}
}
func (s *QueryBuilderSuite) TestAddExpectedQuery(c *gocheck.C) {
primary := dynamodb.NewStringAttribute("domain", "")
key := dynamodb.PrimaryKey{primary, nil}
table := s.server.NewTable("sites", key)
q := dynamodb.NewQuery(table)
q.AddKey(table, &dynamodb.Key{HashKey: "test"})
expected := []dynamodb.Attribute{
*dynamodb.NewStringAttribute("domain", "expectedTest").SetExists(true),
*dynamodb.NewStringAttribute("testKey", "").SetExists(false),
}
q.AddExpected(expected)
queryJson, err := simplejson.NewJson([]byte(q.String()))
if err != nil {
c.Fatal(err)
}
expectedJson, err := simplejson.NewJson([]byte(`
{
"Expected": {
"domain": {
"Exists": "true",
"Value": {
"S": "expectedTest"
}
},
"testKey": {
"Exists": "false"
}
},
"Key": {
"domain": {
"S": "test"
}
},
"TableName": "sites"
}
`))
if err != nil {
c.Fatal(err)
}
c.Check(queryJson, gocheck.DeepEquals, expectedJson)
}
func (s *ItemSuite) TestPutGetDeleteItem(c *C) {
attrs := []dynamodb.Attribute{
*dynamodb.NewStringAttribute("Attr1", "Attr1Val"),
}
var rk string
if s.WithRange {
rk = "1"
}
// Put
if ok, err := s.table.PutItem("NewHashKeyVal", rk, attrs); !ok {
c.Fatal(err)
}
// Get to verify Put operation
pk := &dynamodb.Key{HashKey: "NewHashKeyVal", RangeKey: rk}
item, err := s.table.GetItem(pk)
if err != nil {
c.Fatal(err)
}
if val, ok := item["TestHashKey"]; ok {
c.Check(val, DeepEquals, dynamodb.NewStringAttribute("TestHashKey", "NewHashKeyVal"))
} else {
c.Error("Expect TestHashKey to be found")
}
if s.WithRange {
if val, ok := item["TestRangeKey"]; ok {
c.Check(val, DeepEquals, dynamodb.NewNumericAttribute("TestRangeKey", "1"))
} else {
c.Error("Expect TestRangeKey to be found")
}
}
// Delete
if ok, _ := s.table.DeleteItem(pk); !ok {
c.Fatal(err)
}
// Get to verify Delete operation
_, err = s.table.GetItem(pk)
c.Check(err.Error(), Matches, "Item not found")
}
func (s *QueryBuilderSuite) TestGetItemQuery(c *gocheck.C) {
primary := dynamodb.NewStringAttribute("domain", "")
key := dynamodb.PrimaryKey{primary, nil}
table := s.server.NewTable("sites", key)
q := dynamodb.NewQuery(table)
q.AddKey(table, &dynamodb.Key{HashKey: "test"})
{
queryJson, err := simplejson.NewJson([]byte(q.String()))
if err != nil {
c.Fatal(err)
}
expectedJson, err := simplejson.NewJson([]byte(`
{
"Key": {
"domain": {
"S": "test"
}
},
"TableName": "sites"
}
`))
if err != nil {
c.Fatal(err)
}
c.Check(queryJson, gocheck.DeepEquals, expectedJson)
}
// Use ConsistentRead
{
q.ConsistentRead(true)
queryJson, err := simplejson.NewJson([]byte(q.String()))
if err != nil {
c.Fatal(err)
}
expectedJson, err := simplejson.NewJson([]byte(`
{
"ConsistentRead": "true",
"Key": {
"domain": {
"S": "test"
}
},
"TableName": "sites"
}
`))
if err != nil {
c.Fatal(err)
}
c.Check(queryJson, gocheck.DeepEquals, expectedJson)
}
}
func (s *ItemSuite) TestUpdateItem_new(c *C) {
attrs := []dynamodb.Attribute{
*dynamodb.NewStringAttribute("intval", "1"),
}
var rk string
if s.WithRange {
rk = "1"
}
pk := &dynamodb.Key{HashKey: "UpdateKeyVal", RangeKey: rk}
num := func(a, b string) dynamodb.Attribute {
return *dynamodb.NewNumericAttribute(a, b)
}
checkVal := func(i string) {
if item, err := s.table.GetItem(pk); err != nil {
c.Error(err)
} else {
c.Check(item["intval"], DeepEquals, dynamodb.NewNumericAttribute("intval", i))
}
}
if ok, err := s.table.PutItem("UpdateKeyVal", rk, attrs); !ok {
c.Error(err)
}
checkVal("1")
// Simple Increment
s.table.UpdateItem(pk).UpdateExpression("SET intval = intval + :incr", num(":incr", "5")).Execute()
checkVal("6")
conditionalUpdate := func(check string) {
s.table.UpdateItem(pk).
ConditionExpression("intval = :check").
UpdateExpression("SET intval = intval + :incr").
ExpressionAttributes(num(":check", check), num(":incr", "4")).
Execute()
}
// Conditional increment should be a no-op.
conditionalUpdate("42")
checkVal("6")
// conditional increment should succeed this time
conditionalUpdate("6")
checkVal("10")
// Update with new values getting values
result, err := s.table.UpdateItem(pk).
ReturnValues(dynamodb.UPDATED_NEW).
UpdateExpression("SET intval = intval + :incr", num(":incr", "2")).
Execute()
c.Check(err, IsNil)
c.Check(result.Attributes["intval"], DeepEquals, num("intval", "12"))
checkVal("12")
}
func (s *QueryBuilderSuite) TestAddKeyConditions(c *gocheck.C) {
primary := dynamodb.NewStringAttribute("domain", "")
key := dynamodb.PrimaryKey{primary, nil}
table := s.server.NewTable("sites", key)
q := dynamodb.NewQuery(table)
acs := []dynamodb.AttributeComparison{
*dynamodb.NewStringAttributeComparison("domain", "EQ", "example.com"),
*dynamodb.NewStringAttributeComparison("path", "EQ", "/"),
}
q.AddKeyConditions(acs)
queryJson, err := simplejson.NewJson([]byte(q.String()))
if err != nil {
c.Fatal(err)
}
expectedJson, err := simplejson.NewJson([]byte(`
{
"KeyConditions": {
"domain": {
"AttributeValueList": [
{
"S": "example.com"
}
],
"ComparisonOperator": "EQ"
},
"path": {
"AttributeValueList": [
{
"S": "/"
}
],
"ComparisonOperator": "EQ"
}
},
"TableName": "sites"
}
`))
if err != nil {
c.Fatal(err)
}
c.Check(queryJson, gocheck.DeepEquals, expectedJson)
}
func (s *QueryBuilderSuite) TestUpdateQuery(c *gocheck.C) {
primary := dynamodb.NewStringAttribute("domain", "")
rangek := dynamodb.NewNumericAttribute("time", "")
key := dynamodb.PrimaryKey{primary, rangek}
table := s.server.NewTable("sites", key)
countAttribute := dynamodb.NewNumericAttribute("count", "4")
attributes := []dynamodb.Attribute{*countAttribute}
q := dynamodb.NewQuery(table)
q.AddKey(table, &dynamodb.Key{HashKey: "test", RangeKey: "1234"})
q.AddUpdates(attributes, "ADD")
queryJson, err := simplejson.NewJson([]byte(q.String()))
if err != nil {
c.Fatal(err)
}
expectedJson, err := simplejson.NewJson([]byte(`
{
"AttributeUpdates": {
"count": {
"Action": "ADD",
"Value": {
"N": "4"
}
}
},
"Key": {
"domain": {
"S": "test"
},
"time": {
"N": "1234"
}
},
"TableName": "sites"
}
`))
if err != nil {
c.Fatal(err)
}
c.Check(queryJson, gocheck.DeepEquals, expectedJson)
}
func (s *QueryBuilderSuite) TestAddUpdates(c *gocheck.C) {
primary := dynamodb.NewStringAttribute("domain", "")
key := dynamodb.PrimaryKey{primary, nil}
table := s.server.NewTable("sites", key)
q := dynamodb.NewQuery(table)
q.AddKey(table, &dynamodb.Key{HashKey: "test"})
attr := dynamodb.NewStringSetAttribute("StringSet", []string{"str", "str2"})
q.AddUpdates([]dynamodb.Attribute{*attr}, "ADD")
queryJson, err := simplejson.NewJson([]byte(q.String()))
if err != nil {
c.Fatal(err)
}
expectedJson, err := simplejson.NewJson([]byte(`
{
"AttributeUpdates": {
"StringSet": {
"Action": "ADD",
"Value": {
"SS": ["str", "str2"]
}
}
},
"Key": {
"domain": {
"S": "test"
}
},
"TableName": "sites"
}
`))
if err != nil {
c.Fatal(err)
}
c.Check(queryJson, gocheck.DeepEquals, expectedJson)
}
func (um *Model) initTable() {
pKey := dynamodb.PrimaryKey{dynamodb.NewStringAttribute(cPrimKey, ""), nil}
um.table = um.conn.NewTable(um.tableName, pKey)
res, err := um.table.DescribeTable()
if err != nil {
log.Info("Creating a new table on DynamoDB:", um.tableName)
td := dynamodb.TableDescriptionT{
TableName: um.tableName,
AttributeDefinitions: []dynamodb.AttributeDefinitionT{
dynamodb.AttributeDefinitionT{cPrimKey, "S"},
},
KeySchema: []dynamodb.KeySchemaT{
dynamodb.KeySchemaT{cPrimKey, "HASH"},
},
ProvisionedThroughput: dynamodb.ProvisionedThroughputT{
ReadCapacityUnits: cDefaultWRCapacity,
WriteCapacityUnits: cDefaultWRCapacity,
},
}
if _, err := um.conn.CreateTable(td); err != nil {
log.Error("Error trying to create a table on Dynamo DB, table:", um.tableName, "Error:", err)
}
if res, err = um.table.DescribeTable(); err != nil {
log.Error("Error trying to describe a table on Dynamo DB, table:", um.tableName, "Error:", err)
}
}
for "ACTIVE" != res.TableStatus {
if res, err = um.table.DescribeTable(); err != nil {
log.Error("Can't describe Dynamo DB instances table, Error:", err)
}
log.Debug("Waiting for active table, current status:", res.TableStatus)
time.Sleep(time.Second)
}
}
func (us *User) persist() bool {
userJSONInfo, _ := json.Marshal(us)
userJSONLogs, _ := json.Marshal(us.logs)
userJSONBillHist, _ := json.Marshal(us.billHist)
attribs := []dynamodb.Attribute{
*dynamodb.NewStringAttribute(cPrimKey, us.uid),
*dynamodb.NewStringAttribute("key", us.key),
*dynamodb.NewStringAttribute("info", string(userJSONInfo)),
*dynamodb.NewStringAttribute("bill_hist", string(userJSONBillHist)),
*dynamodb.NewStringAttribute("logs", string(userJSONLogs)),
*dynamodb.NewStringAttribute("enabled", string(us.Enabled)),
}
if _, err := us.md.table.PutItem(us.uid, cPrimKey, attribs); err != nil {
log.Error("A new user can't be registered on the users table, Error:", err)
return false
}
return true
}
func (s *QueryBuilderSuite) TestAddWriteRequestItems(c *gocheck.C) {
primary := dynamodb.NewStringAttribute("WidgetFoo", "")
secondary := dynamodb.NewNumericAttribute("Created", "")
key := dynamodb.PrimaryKey{primary, secondary}
table := s.server.NewTable("FooData", key)
primary2 := dynamodb.NewStringAttribute("TestHashKey", "")
secondary2 := dynamodb.NewNumericAttribute("TestRangeKey", "")
key2 := dynamodb.PrimaryKey{primary2, secondary2}
table2 := s.server.NewTable("TestTable", key2)
q := dynamodb.NewEmptyQuery()
attribute1 := dynamodb.NewNumericAttribute("testing", "4")
attribute2 := dynamodb.NewNumericAttribute("testingbatch", "2111")
attribute3 := dynamodb.NewStringAttribute("testingstrbatch", "mystr")
item1 := []dynamodb.Attribute{*attribute1, *attribute2, *attribute3}
attribute4 := dynamodb.NewNumericAttribute("testing", "444")
attribute5 := dynamodb.NewNumericAttribute("testingbatch", "93748249272")
attribute6 := dynamodb.NewStringAttribute("testingstrbatch", "myotherstr")
item2 := []dynamodb.Attribute{*attribute4, *attribute5, *attribute6}
attributeDel1 := dynamodb.NewStringAttribute("TestHashKeyDel", "DelKey")
attributeDel2 := dynamodb.NewNumericAttribute("TestRangeKeyDel", "7777777")
itemDel := []dynamodb.Attribute{*attributeDel1, *attributeDel2}
attributeTest1 := dynamodb.NewStringAttribute("TestHashKey", "MyKey")
attributeTest2 := dynamodb.NewNumericAttribute("TestRangeKey", "0193820384293")
itemTest := []dynamodb.Attribute{*attributeTest1, *attributeTest2}
tableItems := map[*dynamodb.Table]map[string][][]dynamodb.Attribute{}
actionItems := make(map[string][][]dynamodb.Attribute)
actionItems["Put"] = [][]dynamodb.Attribute{item1, item2}
actionItems["Delete"] = [][]dynamodb.Attribute{itemDel}
tableItems[table] = actionItems
actionItems2 := make(map[string][][]dynamodb.Attribute)
actionItems2["Put"] = [][]dynamodb.Attribute{itemTest}
tableItems[table2] = actionItems2
q.AddWriteRequestItems(tableItems)
queryJson, err := simplejson.NewJson([]byte(q.String()))
if err != nil {
c.Fatal(err)
}
expectedJson, err := simplejson.NewJson([]byte(`
{
"RequestItems": {
"TestTable": [
{
"PutRequest": {
"Item": {
"TestRangeKey": {
"N": "0193820384293"
},
"TestHashKey": {
"S": "MyKey"
}
}
}
}
],
"FooData": [
{
"PutRequest": {
"Item": {
"testingstrbatch": {
"S": "mystr"
},
"testingbatch": {
"N": "2111"
},
"testing": {
"N": "4"
}
}
}
},
{
"PutRequest": {
"Item": {
"testingstrbatch": {
"S": "myotherstr"
},
"testingbatch": {
"N": "93748249272"
},
"testing": {
"N": "444"
}
}
}
},
{
"DeleteRequest": {
"Key": {
"TestRangeKeyDel": {
"N": "7777777"
},
"TestHashKeyDel": {
"S": "DelKey"
}
}
}
}
]
}
}
`))
if err != nil {
c.Fatal(err)
}
c.Check(queryJson, gocheck.DeepEquals, expectedJson)
}
func (s *ItemSuite) TestConditionalPutUpdateDeleteItem(c *C) {
if s.WithRange {
// No rangekey test required
return
}
attrs := []dynamodb.Attribute{
*dynamodb.NewStringAttribute("Attr1", "Attr1Val"),
}
pk := &dynamodb.Key{HashKey: "NewHashKeyVal"}
// Put
if ok, err := s.table.PutItem("NewHashKeyVal", "", attrs); !ok {
c.Fatal(err)
}
{
// Put with condition failed
expected := []dynamodb.Attribute{
*dynamodb.NewStringAttribute("Attr1", "expectedAttr1Val").SetExists(true),
*dynamodb.NewStringAttribute("AttrNotExists", "").SetExists(false),
}
if ok, err := s.table.ConditionalPutItem("NewHashKeyVal", "", attrs, expected); ok {
c.Errorf("Expect condition does not meet.")
} else {
c.Check(err.Error(), Matches, "ConditionalCheckFailedException.*")
}
// Add attributes with condition failed
if ok, err := s.table.ConditionalAddAttributes(pk, attrs, expected); ok {
c.Errorf("Expect condition does not meet.")
} else {
c.Check(err.Error(), Matches, "ConditionalCheckFailedException.*")
}
// Update attributes with condition failed
if ok, err := s.table.ConditionalUpdateAttributes(pk, attrs, expected); ok {
c.Errorf("Expect condition does not meet.")
} else {
c.Check(err.Error(), Matches, "ConditionalCheckFailedException.*")
}
// Delete attributes with condition failed
if ok, err := s.table.ConditionalDeleteAttributes(pk, attrs, expected); ok {
c.Errorf("Expect condition does not meet.")
} else {
c.Check(err.Error(), Matches, "ConditionalCheckFailedException.*")
}
}
{
expected := []dynamodb.Attribute{
*dynamodb.NewStringAttribute("Attr1", "Attr1Val").SetExists(true),
}
// Add attributes with condition met
addNewAttrs := []dynamodb.Attribute{
*dynamodb.NewNumericAttribute("AddNewAttr1", "10"),
*dynamodb.NewNumericAttribute("AddNewAttr2", "20"),
}
if ok, err := s.table.ConditionalAddAttributes(pk, addNewAttrs, nil); !ok {
c.Errorf("Expect condition met. %s", err)
}
// Update attributes with condition met
updateAttrs := []dynamodb.Attribute{
*dynamodb.NewNumericAttribute("AddNewAttr1", "100"),
}
if ok, err := s.table.ConditionalUpdateAttributes(pk, updateAttrs, expected); !ok {
c.Errorf("Expect condition met. %s", err)
}
// Delete attributes with condition met
deleteAttrs := []dynamodb.Attribute{
*dynamodb.NewNumericAttribute("AddNewAttr2", ""),
}
if ok, err := s.table.ConditionalDeleteAttributes(pk, deleteAttrs, expected); !ok {
c.Errorf("Expect condition met. %s", err)
}
// Get to verify operations that condition are met
item, err := s.table.GetItem(pk)
if err != nil {
c.Fatal(err)
}
if val, ok := item["AddNewAttr1"]; ok {
c.Check(val, DeepEquals, dynamodb.NewNumericAttribute("AddNewAttr1", "100"))
} else {
c.Error("Expect AddNewAttr1 attribute to be added and updated")
}
if _, ok := item["AddNewAttr2"]; ok {
c.Error("Expect AddNewAttr2 attribute to be deleted")
}
}
{
// Put with condition met
expected := []dynamodb.Attribute{
*dynamodb.NewStringAttribute("Attr1", "Attr1Val").SetExists(true),
}
newattrs := []dynamodb.Attribute{
*dynamodb.NewStringAttribute("Attr1", "Attr2Val"),
}
if ok, err := s.table.ConditionalPutItem("NewHashKeyVal", "", newattrs, expected); !ok {
c.Errorf("Expect condition met. %s", err)
}
// Get to verify Put operation that condition are met
item, err := s.table.GetItem(pk)
if err != nil {
c.Fatal(err)
}
if val, ok := item["Attr1"]; ok {
c.Check(val, DeepEquals, dynamodb.NewStringAttribute("Attr1", "Attr2Val"))
} else {
c.Error("Expect Attr1 attribute to be updated")
}
}
{
// Delete with condition failed
expected := []dynamodb.Attribute{
*dynamodb.NewStringAttribute("Attr1", "expectedAttr1Val").SetExists(true),
}
if ok, err := s.table.ConditionalDeleteItem(pk, expected); ok {
c.Errorf("Expect condition does not meet.")
} else {
c.Check(err.Error(), Matches, "ConditionalCheckFailedException.*")
}
}
{
// Delete with condition met
expected := []dynamodb.Attribute{
*dynamodb.NewStringAttribute("Attr1", "Attr2Val").SetExists(true),
}
if ok, _ := s.table.ConditionalDeleteItem(pk, expected); !ok {
c.Errorf("Expect condition met.")
}
// Get to verify Delete operation
_, err := s.table.GetItem(pk)
c.Check(err.Error(), Matches, "Item not found")
}
}
func checkStream(table *dynamodb.Table, c *C) {
// list the table's streams
streams, err := table.ListStreams("")
if err != nil {
c.Fatal(err)
}
c.Check(len(streams), Not(Equals), 0)
c.Check(streams[0].TableName, Equals, table.Name)
// stick a couple of items in the table
attrs := []dynamodb.Attribute{
*dynamodb.NewStringAttribute("TestAttr", "0"),
}
if ok, err := table.PutItem("0", "0", attrs); !ok {
c.Fatal(err)
}
attrs = []dynamodb.Attribute{
*dynamodb.NewStringAttribute("TestAttr", "1"),
}
if ok, err := table.PutItem("1", "1", attrs); !ok {
c.Fatal(err)
}
// create a stream object
stream := table.Server.NewStream(streams[0].StreamArn)
// describe the steam
desc, err := stream.DescribeStream("")
if err != nil {
c.Fatal(err)
}
tableDesc, err := table.DescribeTable()
if err != nil {
c.Fatal(err)
}
c.Check(desc.KeySchema[0], Equals, tableDesc.KeySchema[0])
c.Check(desc.StreamArn, Equals, streams[0].StreamArn)
c.Check(desc.StreamStatus, Equals, "ENABLED")
c.Check(desc.StreamViewType, Equals, tableDesc.StreamSpecification.StreamViewType)
c.Check(desc.TableName, Equals, table.Name)
c.Check(len(desc.Shards), Equals, 1)
// get a shard iterator
shardIt, err := stream.GetShardIterator(desc.Shards[0].ShardId, "TRIM_HORIZON", "")
if err != nil {
c.Fatal(err)
}
c.Check(len(shardIt), Not(Equals), 0)
// poll for records
nextIt, records, err := stream.GetRecords(shardIt)
if err != nil {
c.Fatal(err)
}
c.Check(len(nextIt), Not(Equals), 0)
c.Check(len(records), Equals, 2)
for index, record := range records {
c.Check(record.EventSource, Equals, "aws:dynamodb")
c.Check(record.EventName, Equals, "INSERT")
c.Check(len(record.EventID), Not(Equals), 0)
// look at the actual record
streamRec := record.StreamRecord
c.Check(streamRec.StreamViewType, Equals, desc.StreamViewType)
c.Check(len(streamRec.SequenceNumber), Not(Equals), 0)
if streamRec.SizeBytes <= 0 {
c.Errorf("Expected greater-than-zero size, got: %d", streamRec.SizeBytes)
}
// check the keys
if streamRec.StreamViewType == "KEYS_ONLY" {
checkKeys(streamRec.Keys, index, c)
}
// check the image
if streamRec.StreamViewType == "NEW_IMAGE" {
checkNewImage(streamRec.NewImage, index, c)
}
}
}
