// Retrieve generates a new set of temporary credentials using STS. func (p *AssumeRoleProvider) Retrieve() (credentials.Value, error) { // Apply defaults where parameters are not set. if p.Client == nil { p.Client = sts.New(nil) } if p.RoleSessionName == "" { // Try to work out a role name that will hopefully end up unique. p.RoleSessionName = fmt.Sprintf("%d", time.Now().UTC().UnixNano()) } if p.Duration == 0 { // Expire as often as AWS permits. p.Duration = 15 * time.Minute } roleOutput, err := p.Client.AssumeRole(&sts.AssumeRoleInput{ DurationSeconds: aws.Int64(int64(p.Duration / time.Second)), RoleArn: aws.String(p.RoleARN), RoleSessionName: aws.String(p.RoleSessionName), ExternalId: p.ExternalID, }) if err != nil { return credentials.Value{}, err } // We will proactively generate new credentials before they expire. p.SetExpiration(*roleOutput.Credentials.Expiration, p.ExpiryWindow) return credentials.Value{ AccessKeyID: *roleOutput.Credentials.AccessKeyId, SecretAccessKey: *roleOutput.Credentials.SecretAccessKey, SessionToken: *roleOutput.Credentials.SessionToken, }, nil }
func BenchmarkCodegenIterator(b *testing.B) { reqNum := 0 db := benchDb() db.Handlers.Unmarshal.PushBack(func(r *request.Request) { r.Data = benchResps[reqNum] reqNum++ }) input := &dynamodb.ListTablesInput{Limit: aws.Int64(2)} iter := func(fn func(*dynamodb.ListTablesOutput, bool) bool) error { page, _ := db.ListTablesRequest(input) for ; page != nil; page = page.NextPage() { page.Send() out := page.Data.(*dynamodb.ListTablesOutput) if result := fn(out, !page.HasNextPage()); page.Error != nil || !result { return page.Error } } return nil } for i := 0; i < b.N; i++ { reqNum = 0 iter(func(p *dynamodb.ListTablesOutput, last bool) bool { return true }) } }
func BenchmarkEC2QueryBuild_Simple_ec2AttachNetworkInterface(b *testing.B) { params := &ec2.AttachNetworkInterfaceInput{ DeviceIndex: aws.Int64(1), // Required InstanceId: aws.String("String"), // Required NetworkInterfaceId: aws.String("String"), // Required DryRun: aws.Bool(true), } benchEC2QueryBuild(b, "AttachNetworkInterface", params) }
func BenchmarkEC2QueryBuild_Complex_ec2AuthorizeSecurityGroupEgress(b *testing.B) { params := &ec2.AuthorizeSecurityGroupEgressInput{ GroupId: aws.String("String"), // Required CidrIp: aws.String("String"), DryRun: aws.Bool(true), FromPort: aws.Int64(1), IpPermissions: []*ec2.IpPermission{ { // Required FromPort: aws.Int64(1), IpProtocol: aws.String("String"), IpRanges: []*ec2.IpRange{ { // Required CidrIp: aws.String("String"), }, // More values... }, PrefixListIds: []*ec2.PrefixListId{ { // Required PrefixListId: aws.String("String"), }, // More values... }, ToPort: aws.Int64(1), UserIdGroupPairs: []*ec2.UserIdGroupPair{ { // Required GroupId: aws.String("String"), GroupName: aws.String("String"), UserId: aws.String("String"), }, // More values... }, }, // More values... }, IpProtocol: aws.String("String"), SourceSecurityGroupName: aws.String("String"), SourceSecurityGroupOwnerId: aws.String("String"), ToPort: aws.Int64(1), } benchEC2QueryBuild(b, "AuthorizeSecurityGroupEgress", params) }
// Use DynamoDB methods for simplicity func TestPaginationEachPage(t *testing.T) { db := dynamodb.New(unit.Session) tokens, pages, numPages, gotToEnd := []string{}, []string{}, 0, false reqNum := 0 resps := []*dynamodb.ListTablesOutput{ {TableNames: []*string{aws.String("Table1"), aws.String("Table2")}, LastEvaluatedTableName: aws.String("Table2")}, {TableNames: []*string{aws.String("Table3"), aws.String("Table4")}, LastEvaluatedTableName: aws.String("Table4")}, {TableNames: []*string{aws.String("Table5")}}, } db.Handlers.Send.Clear() // mock sending db.Handlers.Unmarshal.Clear() db.Handlers.UnmarshalMeta.Clear() db.Handlers.ValidateResponse.Clear() db.Handlers.Build.PushBack(func(r *request.Request) { in := r.Params.(*dynamodb.ListTablesInput) if in == nil { tokens = append(tokens, "") } else if in.ExclusiveStartTableName != nil { tokens = append(tokens, *in.ExclusiveStartTableName) } }) db.Handlers.Unmarshal.PushBack(func(r *request.Request) { r.Data = resps[reqNum] reqNum++ }) params := &dynamodb.ListTablesInput{Limit: aws.Int64(2)} req, _ := db.ListTablesRequest(params) err := req.EachPage(func(p interface{}, last bool) bool { numPages++ for _, t := range p.(*dynamodb.ListTablesOutput).TableNames { pages = append(pages, *t) } if last { if gotToEnd { assert.Fail(t, "last=true happened twice") } gotToEnd = true } return true }) assert.Equal(t, []string{"Table2", "Table4"}, tokens) assert.Equal(t, []string{"Table1", "Table2", "Table3", "Table4", "Table5"}, pages) assert.Equal(t, 3, numPages) assert.True(t, gotToEnd) assert.Nil(t, err) }
func BenchmarkEachPageIterator(b *testing.B) { reqNum := 0 db := benchDb() db.Handlers.Unmarshal.PushBack(func(r *request.Request) { r.Data = benchResps[reqNum] reqNum++ }) input := &dynamodb.ListTablesInput{Limit: aws.Int64(2)} for i := 0; i < b.N; i++ { reqNum = 0 req, _ := db.ListTablesRequest(input) req.EachPage(func(p interface{}, last bool) bool { return true }) } }
// Use DynamoDB methods for simplicity func TestPaginationEarlyExit(t *testing.T) { db := dynamodb.New(unit.Session) numPages, gotToEnd := 0, false reqNum := 0 resps := []*dynamodb.ListTablesOutput{ {TableNames: []*string{aws.String("Table1"), aws.String("Table2")}, LastEvaluatedTableName: aws.String("Table2")}, {TableNames: []*string{aws.String("Table3"), aws.String("Table4")}, LastEvaluatedTableName: aws.String("Table4")}, {TableNames: []*string{aws.String("Table5")}}, } db.Handlers.Send.Clear() // mock sending db.Handlers.Unmarshal.Clear() db.Handlers.UnmarshalMeta.Clear() db.Handlers.ValidateResponse.Clear() db.Handlers.Unmarshal.PushBack(func(r *request.Request) { r.Data = resps[reqNum] reqNum++ }) params := &dynamodb.ListTablesInput{Limit: aws.Int64(2)} err := db.ListTablesPages(params, func(p *dynamodb.ListTablesOutput, last bool) bool { numPages++ if numPages == 2 { return false } if last { if gotToEnd { assert.Fail(t, "last=true happened twice") } gotToEnd = true } return true }) assert.Equal(t, 2, numPages) assert.False(t, gotToEnd) assert.Nil(t, err) }
// Use DynamoDB methods for simplicity func TestPaginationQueryPage(t *testing.T) { db := dynamodb.New(unit.Session) tokens, pages, numPages, gotToEnd := []map[string]*dynamodb.AttributeValue{}, []map[string]*dynamodb.AttributeValue{}, 0, false reqNum := 0 resps := []*dynamodb.QueryOutput{ { LastEvaluatedKey: map[string]*dynamodb.AttributeValue{"key": {S: aws.String("key1")}}, Count: aws.Int64(1), Items: []map[string]*dynamodb.AttributeValue{ map[string]*dynamodb.AttributeValue{ "key": {S: aws.String("key1")}, }, }, }, { LastEvaluatedKey: map[string]*dynamodb.AttributeValue{"key": {S: aws.String("key2")}}, Count: aws.Int64(1), Items: []map[string]*dynamodb.AttributeValue{ map[string]*dynamodb.AttributeValue{ "key": {S: aws.String("key2")}, }, }, }, { LastEvaluatedKey: map[string]*dynamodb.AttributeValue{}, Count: aws.Int64(1), Items: []map[string]*dynamodb.AttributeValue{ map[string]*dynamodb.AttributeValue{ "key": {S: aws.String("key3")}, }, }, }, } db.Handlers.Send.Clear() // mock sending db.Handlers.Unmarshal.Clear() db.Handlers.UnmarshalMeta.Clear() db.Handlers.ValidateResponse.Clear() db.Handlers.Build.PushBack(func(r *request.Request) { in := r.Params.(*dynamodb.QueryInput) if in == nil { tokens = append(tokens, nil) } else if len(in.ExclusiveStartKey) != 0 { tokens = append(tokens, in.ExclusiveStartKey) } }) db.Handlers.Unmarshal.PushBack(func(r *request.Request) { r.Data = resps[reqNum] reqNum++ }) params := &dynamodb.QueryInput{ Limit: aws.Int64(2), TableName: aws.String("tablename"), } err := db.QueryPages(params, func(p *dynamodb.QueryOutput, last bool) bool { numPages++ for _, item := range p.Items { pages = append(pages, item) } if last { if gotToEnd { assert.Fail(t, "last=true happened twice") } gotToEnd = true } return true }) assert.Nil(t, err) assert.Equal(t, []map[string]*dynamodb.AttributeValue{ map[string]*dynamodb.AttributeValue{"key": {S: aws.String("key1")}}, map[string]*dynamodb.AttributeValue{"key": {S: aws.String("key2")}}, }, tokens) assert.Equal(t, []map[string]*dynamodb.AttributeValue{ map[string]*dynamodb.AttributeValue{"key": {S: aws.String("key1")}}, map[string]*dynamodb.AttributeValue{"key": {S: aws.String("key2")}}, map[string]*dynamodb.AttributeValue{"key": {S: aws.String("key3")}}, }, pages) assert.Equal(t, 3, numPages) assert.True(t, gotToEnd) assert.Nil(t, params.ExclusiveStartKey) }