diff options
Diffstat (limited to 'vendor/github.com/aws/aws-sdk-go/aws/request/retryer.go')
-rw-r--r-- | vendor/github.com/aws/aws-sdk-go/aws/request/retryer.go | 92 |
1 files changed, 63 insertions, 29 deletions
diff --git a/vendor/github.com/aws/aws-sdk-go/aws/request/retryer.go b/vendor/github.com/aws/aws-sdk-go/aws/request/retryer.go index 632cd70..f35fef2 100644 --- a/vendor/github.com/aws/aws-sdk-go/aws/request/retryer.go +++ b/vendor/github.com/aws/aws-sdk-go/aws/request/retryer.go @@ -1,9 +1,6 @@ package request import ( - "net" - "os" - "syscall" "time" "github.com/aws/aws-sdk-go/aws" @@ -11,7 +8,7 @@ import ( ) // Retryer is an interface to control retry logic for a given service. -// The default implementation used by most services is the service.DefaultRetryer +// The default implementation used by most services is the client.DefaultRetryer // structure, which contains basic retry logic using exponential backoff. type Retryer interface { RetryRules(*Request) time.Duration @@ -41,7 +38,6 @@ var throttleCodes = map[string]struct{}{ "ThrottlingException": {}, "RequestLimitExceeded": {}, "RequestThrottled": {}, - "LimitExceededException": {}, // Deleting 10+ DynamoDb tables at once "TooManyRequestsException": {}, // Lambda functions "PriorRequestNotComplete": {}, // Route53 } @@ -73,7 +69,25 @@ func isCodeExpiredCreds(code string) bool { return ok } -func isSerializationErrorRetryable(err error) bool { +var validParentCodes = map[string]struct{}{ + ErrCodeSerialization: {}, + ErrCodeRead: {}, +} + +type temporaryError interface { + Temporary() bool +} + +func isNestedErrorRetryable(parentErr awserr.Error) bool { + if parentErr == nil { + return false + } + + if _, ok := validParentCodes[parentErr.Code()]; !ok { + return false + } + + err := parentErr.OrigErr() if err == nil { return false } @@ -82,46 +96,66 @@ func isSerializationErrorRetryable(err error) bool { return isCodeRetryable(aerr.Code()) } - if opErr, ok := err.(*net.OpError); ok { - if sysErr, ok := opErr.Err.(*os.SyscallError); ok { - return sysErr.Err == syscall.ECONNRESET - } + if t, ok := err.(temporaryError); ok { + return t.Temporary() } - return false + return isErrConnectionReset(err) } // IsErrorRetryable returns whether the error is retryable, based on its Code. -// Returns false if the request has no Error set. -func (r *Request) IsErrorRetryable() bool { - if r.Error != nil { - if err, ok := r.Error.(awserr.Error); ok && err.Code() != ErrCodeSerialization { - return isCodeRetryable(err.Code()) - } else if ok { - return isSerializationErrorRetryable(err.OrigErr()) +// Returns false if error is nil. +func IsErrorRetryable(err error) bool { + if err != nil { + if aerr, ok := err.(awserr.Error); ok { + return isCodeRetryable(aerr.Code()) || isNestedErrorRetryable(aerr) } } return false } // IsErrorThrottle returns whether the error is to be throttled based on its code. -// Returns false if the request has no Error set -func (r *Request) IsErrorThrottle() bool { - if r.Error != nil { - if err, ok := r.Error.(awserr.Error); ok { - return isCodeThrottle(err.Code()) +// Returns false if error is nil. +func IsErrorThrottle(err error) bool { + if err != nil { + if aerr, ok := err.(awserr.Error); ok { + return isCodeThrottle(aerr.Code()) } } return false } -// IsErrorExpired returns whether the error code is a credential expiry error. -// Returns false if the request has no Error set. -func (r *Request) IsErrorExpired() bool { - if r.Error != nil { - if err, ok := r.Error.(awserr.Error); ok { - return isCodeExpiredCreds(err.Code()) +// IsErrorExpiredCreds returns whether the error code is a credential expiry error. +// Returns false if error is nil. +func IsErrorExpiredCreds(err error) bool { + if err != nil { + if aerr, ok := err.(awserr.Error); ok { + return isCodeExpiredCreds(aerr.Code()) } } return false } + +// IsErrorRetryable returns whether the error is retryable, based on its Code. +// Returns false if the request has no Error set. +// +// Alias for the utility function IsErrorRetryable +func (r *Request) IsErrorRetryable() bool { + return IsErrorRetryable(r.Error) +} + +// IsErrorThrottle returns whether the error is to be throttled based on its code. +// Returns false if the request has no Error set +// +// Alias for the utility function IsErrorThrottle +func (r *Request) IsErrorThrottle() bool { + return IsErrorThrottle(r.Error) +} + +// IsErrorExpired returns whether the error code is a credential expiry error. +// Returns false if the request has no Error set. +// +// Alias for the utility function IsErrorExpiredCreds +func (r *Request) IsErrorExpired() bool { + return IsErrorExpiredCreds(r.Error) +} |