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aws: topology cache for aws s3 and iam resources (#3019)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| package aws | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "github.com/golang/protobuf/proto" | ||
| "google.golang.org/grpc/codes" | ||
| "google.golang.org/grpc/status" | ||
|
|
||
| awsv1resolver "github.com/lyft/clutch/backend/api/resolver/aws/v1" | ||
| "github.com/lyft/clutch/backend/resolver" | ||
| ) | ||
|
|
||
| func (r *res) resolveIAMRoleForInput(ctx context.Context, input proto.Message) (*resolver.Results, error) { | ||
| switch i := input.(type) { | ||
| case *awsv1resolver.IAMRoleName: | ||
| return r.iamRoleResults(ctx, i.Account, i.Region, i.Name, 1) | ||
| default: | ||
| return nil, status.Errorf(codes.Internal, "resolution for type '%T' not implemented", i) | ||
| } | ||
| } | ||
|
|
||
| // Fanout across multiple regions if needed to fetch stream. | ||
| func (r *res) iamRoleResults(ctx context.Context, account, region, name string, limit uint32) (*resolver.Results, error) { | ||
| ctx, handler := resolver.NewFanoutHandler(ctx) | ||
|
|
||
| allAccountRegions := r.determineAccountAndRegionsForOption(account, region) | ||
| for account := range allAccountRegions { | ||
| for _, region := range allAccountRegions[account] { | ||
| handler.Add(1) | ||
| go func(account, region string) { | ||
| defer handler.Done() | ||
| role, err := r.client.GetIAMRole(ctx, account, region, name) | ||
| select { | ||
| case handler.Channel() <- resolver.NewSingleFanoutResult(role, err): | ||
| return | ||
| case <-handler.Cancelled(): | ||
| return | ||
| } | ||
| }(account, region) | ||
| } | ||
| } | ||
|
|
||
| return handler.Results(limit) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| package aws | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "github.com/golang/protobuf/proto" | ||
| "google.golang.org/grpc/codes" | ||
| "google.golang.org/grpc/status" | ||
|
|
||
| awsv1resolver "github.com/lyft/clutch/backend/api/resolver/aws/v1" | ||
| "github.com/lyft/clutch/backend/resolver" | ||
| ) | ||
|
|
||
| func (r *res) resolveS3BucketForInput(ctx context.Context, input proto.Message) (*resolver.Results, error) { | ||
| switch i := input.(type) { | ||
| case *awsv1resolver.S3BucketName: | ||
| return r.s3BucketResults(ctx, i.Account, i.Region, i.Name, 1) | ||
| default: | ||
| return nil, status.Errorf(codes.Internal, "resolution for type '%T' not implemented", i) | ||
| } | ||
| } | ||
|
|
||
| func (r *res) resolveS3AccessPointForInput(ctx context.Context, input proto.Message) (*resolver.Results, error) { | ||
| switch i := input.(type) { | ||
| case *awsv1resolver.S3AccessPointName: | ||
| return r.s3AccessPointResults(ctx, i.Account, i.Region, i.Name, 1) | ||
| default: | ||
| return nil, status.Errorf(codes.Internal, "resolution for type '%T' not implemented", i) | ||
| } | ||
| } | ||
|
|
||
| // Fanout across multiple regions if needed to fetch stream. | ||
| func (r *res) s3BucketResults(ctx context.Context, account, region, name string, limit uint32) (*resolver.Results, error) { | ||
| ctx, handler := resolver.NewFanoutHandler(ctx) | ||
|
|
||
| allAccountRegions := r.determineAccountAndRegionsForOption(account, region) | ||
|
|
||
| for account := range allAccountRegions { | ||
| for _, region := range allAccountRegions[account] { | ||
| handler.Add(1) | ||
| go func(account, region string) { | ||
| defer handler.Done() | ||
| bucket, err := r.client.S3DescribeBucket(ctx, account, region, name) | ||
| select { | ||
| case handler.Channel() <- resolver.NewSingleFanoutResult(bucket, err): | ||
| return | ||
| case <-handler.Cancelled(): | ||
| return | ||
| } | ||
| }(account, region) | ||
| } | ||
| } | ||
|
|
||
| return handler.Results(limit) | ||
| } | ||
|
|
||
| // Fanout across multiple regions if needed to fetch stream. | ||
| func (r *res) s3AccessPointResults(ctx context.Context, account, region, name string, limit uint32) (*resolver.Results, error) { | ||
| ctx, handler := resolver.NewFanoutHandler(ctx) | ||
|
|
||
| allAccountRegions := r.determineAccountAndRegionsForOption(account, region) | ||
| for account := range allAccountRegions { | ||
| for _, region := range allAccountRegions[account] { | ||
| handler.Add(1) | ||
| go func(account, region string) { | ||
| defer handler.Done() | ||
| callerId, err := r.client.GetCallerIdentity(ctx, account, region) | ||
| if err != nil { | ||
| select { | ||
| case handler.Channel() <- resolver.NewSingleFanoutResult(nil, err): | ||
| return | ||
| case <-handler.Cancelled(): | ||
| return | ||
| } | ||
| } | ||
| accessPoint, err := r.client.S3GetAccessPoint(ctx, account, region, name, *callerId.Account) | ||
| select { | ||
| case handler.Channel() <- resolver.NewSingleFanoutResult(accessPoint, err): | ||
| return | ||
| case <-handler.Cancelled(): | ||
| return | ||
| } | ||
| }(account, region) | ||
| } | ||
| } | ||
|
|
||
| return handler.Results(limit) | ||
| } |
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