aws

package
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 Go to latest Published: Feb 2, 2016 License: Apache-2.0 Imports: 8 Imported by: 0

Documentation

Overview

Package aws provides core functionality for making requests to AWS services.

Index

Constants

View Source 
const SDKName = "aws-sdk-go"

SDKName is the name of this AWS SDK

View Source 
const SDKVersion = "1.1.0"

SDKVersion is the version of this SDK

View Source 
const UseServiceDefaultRetries = -1

UseServiceDefaultRetries instructs the config to use the service's own default number of retries. This will be the default action if Config.MaxRetries is nil also.

Variables

View Source 
var (
	// ErrMissingRegion is an error that is returned if region configuration is
	// not found.
	//
	// @readonly
	ErrMissingRegion = awserr.New("MissingRegion", "could not find region configuration", nil)

	// ErrMissingEndpoint is an error that is returned if an endpoint cannot be
	// resolved for a service.
	//
	// @readonly
	ErrMissingEndpoint = awserr.New("MissingEndpoint", "'Endpoint' configuration is required for this service", nil)
)

Functions

func Bool 

func Bool(v bool) *bool

Bool returns a pointer to of the bool value passed in.

func BoolMap 

func BoolMap(src map[string]bool) map[string]*bool

BoolMap converts a string map of bool values into a string map of bool pointers

func BoolSlice 

func BoolSlice(src []bool) []*bool

BoolSlice converts a slice of bool values into a slice of bool pointers

func BoolValue 

func BoolValue(v *bool) bool

BoolValue returns the value of the bool pointer passed in or false if the pointer is nil.

func BoolValueMap 

func BoolValueMap(src map[string]*bool) map[string]bool

BoolValueMap converts a string map of bool pointers into a string map of bool values

func BoolValueSlice 

func BoolValueSlice(src []*bool) []bool

BoolValueSlice converts a slice of bool pointers into a slice of bool values

func Float64 

func Float64(v float64) *float64

Float64 returns a pointer to of the float64 value passed in.

func Float64Map 

func Float64Map(src map[string]float64) map[string]*float64

Float64Map converts a string map of float64 values into a string map of float64 pointers

func Float64Slice 

func Float64Slice(src []float64) []*float64

Float64Slice converts a slice of float64 values into a slice of float64 pointers

func Float64Value 

func Float64Value(v *float64) float64

Float64Value returns the value of the float64 pointer passed in or 0 if the pointer is nil.

func Float64ValueMap 

func Float64ValueMap(src map[string]*float64) map[string]float64

Float64ValueMap converts a string map of float64 pointers into a string map of float64 values

func Float64ValueSlice 

func Float64ValueSlice(src []*float64) []float64

Float64ValueSlice converts a slice of float64 pointers into a slice of float64 values

func Int 

func Int(v int) *int

Int returns a pointer to of the int value passed in.

func Int64 

func Int64(v int64) *int64

Int64 returns a pointer to of the int64 value passed in.

func Int64Map 

func Int64Map(src map[string]int64) map[string]*int64

Int64Map converts a string map of int64 values into a string map of int64 pointers

func Int64Slice 

func Int64Slice(src []int64) []*int64

Int64Slice converts a slice of int64 values into a slice of int64 pointers

func Int64Value 

func Int64Value(v *int64) int64

Int64Value returns the value of the int64 pointer passed in or 0 if the pointer is nil.

func Int64ValueMap 

func Int64ValueMap(src map[string]*int64) map[string]int64

Int64ValueMap converts a string map of int64 pointers into a string map of int64 values

func Int64ValueSlice 

func Int64ValueSlice(src []*int64) []int64

Int64ValueSlice converts a slice of int64 pointers into a slice of int64 values

func IntMap 

func IntMap(src map[string]int) map[string]*int

IntMap converts a string map of int values into a string map of int pointers

func IntSlice 

func IntSlice(src []int) []*int

IntSlice converts a slice of int values into a slice of int pointers

func IntValue 

func IntValue(v *int) int

IntValue returns the value of the int pointer passed in or 0 if the pointer is nil.

func IntValueMap 

func IntValueMap(src map[string]*int) map[string]int

IntValueMap converts a string map of int pointers into a string map of int values

func IntValueSlice 

func IntValueSlice(src []*int) []int

IntValueSlice converts a slice of int pointers into a slice of int values

func String 

func String(v string) *string

String returns a pointer to of the string value passed in.

func StringMap 

func StringMap(src map[string]string) map[string]*string

StringMap converts a string map of string values into a string map of string pointers

func StringSlice 

func StringSlice(src []string) []*string

StringSlice converts a slice of string values into a slice of string pointers

func StringValue 

func StringValue(v *string) string

StringValue returns the value of the string pointer passed in or "" if the pointer is nil.

func StringValueMap 

func StringValueMap(src map[string]*string) map[string]string

StringValueMap converts a string map of string pointers into a string map of string values

func StringValueSlice 

func StringValueSlice(src []*string) []string

StringValueSlice converts a slice of string pointers into a slice of string values

func Time 

func Time(v time.Time) *time.Time

Time returns a pointer to of the time.Time value passed in.

func TimeMap 

func TimeMap(src map[string]time.Time) map[string]*time.Time

TimeMap converts a string map of time.Time values into a string map of time.Time pointers

func TimeSlice 

func TimeSlice(src []time.Time) []*time.Time

TimeSlice converts a slice of time.Time values into a slice of time.Time pointers

func TimeValue 

func TimeValue(v *time.Time) time.Time

TimeValue returns the value of the time.Time pointer passed in or time.Time{} if the pointer is nil.

func TimeValueMap 

func TimeValueMap(src map[string]*time.Time) map[string]time.Time

TimeValueMap converts a string map of time.Time pointers into a string map of time.Time values

func TimeValueSlice 

func TimeValueSlice(src []*time.Time) []time.Time

TimeValueSlice converts a slice of time.Time pointers into a slice of time.Time values

Types

type Config 

type Config struct {
	// Enables verbose error printing of all credential chain errors.
	// Should be used when wanting to see all errors while attempting to retreive
	// credentials.
	CredentialsChainVerboseErrors *bool

	// The credentials object to use when signing requests. Defaults to
	// a chain of credential providers to search for credentials in environment
	// variables, shared credential file, and EC2 Instance Roles.
	Credentials *credentials.Credentials

	// An optional endpoint URL (hostname only or fully qualified URI)
	// that overrides the default generated endpoint for a client. Set this
	// to `""` to use the default generated endpoint.
	//
	// @note You must still provide a `Region` value when specifying an
	//   endpoint for a client.
	Endpoint *string

	// The region to send requests to. This parameter is required and must
	// be configured globally or on a per-client basis unless otherwise
	// noted. A full list of regions is found in the "Regions and Endpoints"
	// document.
	//
	// @see http://docs.aws.amazon.com/general/latest/gr/rande.html
	//   AWS Regions and Endpoints
	Region *string

	// Set this to `true` to disable SSL when sending requests. Defaults
	// to `false`.
	DisableSSL *bool

	// The HTTP client to use when sending requests. Defaults to
	// `http.DefaultClient`.
	HTTPClient *http.Client

	// An integer value representing the logging level. The default log level
	// is zero (LogOff), which represents no logging. To enable logging set
	// to a LogLevel Value.
	LogLevel *LogLevelType

	// The logger writer interface to write logging messages to. Defaults to
	// standard out.
	Logger Logger

	// The maximum number of times that a request will be retried for failures.
	// Defaults to -1, which defers the max retry setting to the service specific
	// configuration.
	MaxRetries *int

	// Retryer guides how HTTP requests should be retried in case of recoverable failures.
	//
	// When nil or the value does not implement the request.Retryer interface,
	// the request.DefaultRetryer will be used.
	//
	// When both Retryer and MaxRetries are non-nil, the former is used and
	// the latter ignored.
	//
	// To set the Retryer field in a type-safe manner and with chaining, use
	// the request.WithRetryer helper function:
	//
	//   cfg := request.WithRetryer(aws.NewConfig(), myRetryer)
	//
	Retryer RequestRetryer

	// Disables semantic parameter validation, which validates input for missing
	// required fields and/or other semantic request input errors.
	DisableParamValidation *bool

	// Disables the computation of request and response checksums, e.g.,
	// CRC32 checksums in Amazon DynamoDB.
	DisableComputeChecksums *bool

	// Set this to `true` to force the request to use path-style addressing,
	// i.e., `http://s3.amazonaws.com/BUCKET/KEY`. By default, the S3 client will
	// use virtual hosted bucket addressing when possible
	// (`http://BUCKET.s3.amazonaws.com/KEY`).
	//
	// @note This configuration option is specific to the Amazon S3 service.
	// @see http://docs.aws.amazon.com/AmazonS3/latest/dev/VirtualHosting.html
	//   Amazon S3: Virtual Hosting of Buckets
	S3ForcePathStyle *bool

	// Set this to `true` to disable the EC2Metadata client from overriding the
	// default http.Client's Timeout. This is helpful if you do not want the EC2Metadata
	// client to create a new http.Client. This options is only meaningful if you're not
	// already using a custom HTTP client with the SDK. Enabled by default.
	//
	// Must be set and provided to the session.New() in order to disable the EC2Metadata
	// overriding the timeout for default credentials chain.
	//
	// Example:
	//    sess := session.New(aws.NewConfig().WithEC2MetadataDiableTimeoutOverride(true))
	//    svc := s3.New(sess)
	//
	EC2MetadataDisableTimeoutOverride *bool

	SleepDelay func(time.Duration)
}

A Config provides service configuration for service clients. By default, all clients will use the {defaults.DefaultConfig} structure.

func NewConfig 

func NewConfig() *Config

NewConfig returns a new Config pointer that can be chained with builder methods to set multiple configuration values inline without using pointers. 

svc := s3.New(aws.NewConfig().WithRegion("us-west-2").WithMaxRetries(10))

func (*Config) Copy 

func (c *Config) Copy(cfgs ...*Config) *Config

Copy will return a shallow copy of the Config object. If any additional configurations are provided they will be merged into the new config returned.

func (*Config) MergeIn 

func (c *Config) MergeIn(cfgs ...*Config)

MergeIn merges the passed in configs into the existing config object.

func (*Config) WithCredentials 

func (c *Config) WithCredentials(creds *credentials.Credentials) *Config

WithCredentials sets a config Credentials value returning a Config pointer for chaining.

func (*Config) WithCredentialsChainVerboseErrors 

func (c *Config) WithCredentialsChainVerboseErrors(verboseErrs bool) *Config

WithCredentialsChainVerboseErrors sets a config verbose errors boolean and returning a Config pointer.

func (*Config) WithDisableComputeChecksums 

func (c *Config) WithDisableComputeChecksums(disable bool) *Config

WithDisableComputeChecksums sets a config DisableComputeChecksums value returning a Config pointer for chaining.

func (*Config) WithDisableParamValidation 

func (c *Config) WithDisableParamValidation(disable bool) *Config

WithDisableParamValidation sets a config DisableParamValidation value returning a Config pointer for chaining.

func (*Config) WithDisableSSL 

func (c *Config) WithDisableSSL(disable bool) *Config

WithDisableSSL sets a config DisableSSL value returning a Config pointer for chaining.

func (*Config) WithEC2MetadataDisableTimeoutOverride 

func (c *Config) WithEC2MetadataDisableTimeoutOverride(enable bool) *Config

WithEC2MetadataDisableTimeoutOverride sets a config EC2MetadataDisableTimeoutOverride value returning a Config pointer for chaining.

func (*Config) WithEndpoint 

func (c *Config) WithEndpoint(endpoint string) *Config

WithEndpoint sets a config Endpoint value returning a Config pointer for chaining.

func (*Config) WithHTTPClient 

func (c *Config) WithHTTPClient(client *http.Client) *Config

WithHTTPClient sets a config HTTPClient value returning a Config pointer for chaining.

func (*Config) WithLogLevel 

func (c *Config) WithLogLevel(level LogLevelType) *Config

WithLogLevel sets a config LogLevel value returning a Config pointer for chaining.

func (*Config) WithLogger 

func (c *Config) WithLogger(logger Logger) *Config

WithLogger sets a config Logger value returning a Config pointer for chaining.

func (*Config) WithMaxRetries 

func (c *Config) WithMaxRetries(max int) *Config

WithMaxRetries sets a config MaxRetries value returning a Config pointer for chaining.

func (*Config) WithRegion 

func (c *Config) WithRegion(region string) *Config

WithRegion sets a config Region value returning a Config pointer for chaining.

func (*Config) WithS3ForcePathStyle 

func (c *Config) WithS3ForcePathStyle(force bool) *Config

WithS3ForcePathStyle sets a config S3ForcePathStyle value returning a Config pointer for chaining.

func (*Config) WithSleepDelay 

func (c *Config) WithSleepDelay(fn func(time.Duration)) *Config

WithSleepDelay overrides the function used to sleep while waiting for the next retry. Defaults to time.Sleep.

type LogLevelType 

type LogLevelType uint

A LogLevelType defines the level logging should be performed at. Used to instruct the SDK which statements should be logged. 

const (
	// LogOff states that no logging should be performed by the SDK. This is the
	// default state of the SDK, and should be use to disable all logging.
	LogOff LogLevelType = iota * 0x1000

	// LogDebug state that debug output should be logged by the SDK. This should
	// be used to inspect request made and responses received.
	LogDebug
)
const (
	// LogDebugWithSigning states that the SDK should log request signing and
	// presigning events. This should be used to log the signing details of
	// requests for debugging. Will also enable LogDebug.
	LogDebugWithSigning LogLevelType = LogDebug | (1 << iota)

	// LogDebugWithHTTPBody states the SDK should log HTTP request and response
	// HTTP bodys in addition to the headers and path. This should be used to
	// see the body content of requests and responses made while using the SDK
	// Will also enable LogDebug.
	LogDebugWithHTTPBody

	// LogDebugWithRequestRetries states the SDK should log when service requests will
	// be retried. This should be used to log when you want to log when service
	// requests are being retried. Will also enable LogDebug.
	LogDebugWithRequestRetries

	// LogDebugWithRequestErrors states the SDK should log when service requests fail
	// to build, send, validate, or unmarshal.
	LogDebugWithRequestErrors
)

Debug Logging Sub Levels

func LogLevel 

func LogLevel(l LogLevelType) *LogLevelType

LogLevel returns the pointer to a LogLevel. Should be used to workaround not being able to take the address of a non-composite literal.

func (*LogLevelType) AtLeast 

func (l *LogLevelType) AtLeast(v LogLevelType) bool

AtLeast returns true if this LogLevel is at least high enough to satisfies v. Is safe to use on nil value LogLevelTypes. If LogLevel is nill, will default to LogOff comparison.

func (*LogLevelType) Matches 

func (l *LogLevelType) Matches(v LogLevelType) bool

Matches returns true if the v LogLevel is enabled by this LogLevel. Should be used with logging sub levels. Is safe to use on nil value LogLevelTypes. If LogLevel is nill, will default to LogOff comparison.

func (*LogLevelType) Value 

func (l *LogLevelType) Value() LogLevelType

Value returns the LogLevel value or the default value LogOff if the LogLevel is nil. Safe to use on nil value LogLevelTypes.

type Logger 

type Logger interface {
	Log(...interface{})
}

A Logger is a minimalistic interface for the SDK to log messages to. Should be used to provide custom logging writers for the SDK to use.

func NewDefaultLogger 

func NewDefaultLogger() Logger

NewDefaultLogger returns a Logger which will write log messages to stdout, and use same formatting runes as the stdlib log.Logger

type ReaderSeekerCloser 

type ReaderSeekerCloser struct {
	// contains filtered or unexported fields
}

ReaderSeekerCloser represents a reader that can also delegate io.Seeker and io.Closer interfaces to the underlying object if they are available.

func ReadSeekCloser 

func ReadSeekCloser(r io.Reader) ReaderSeekerCloser

ReadSeekCloser wraps a io.Reader returning a ReaderSeekerCloser

func (ReaderSeekerCloser) Close 

func (r ReaderSeekerCloser) Close() error

Close closes the ReaderSeekerCloser.

If the ReaderSeekerCloser is not an io.Closer nothing will be done.

func (ReaderSeekerCloser) Read 

func (r ReaderSeekerCloser) Read(p []byte) (int, error)

Read reads from the reader up to size of p. The number of bytes read, and error if it occurred will be returned.

If the reader is not an io.Reader zero bytes read, and nil error will be returned.

Performs the same functionality as io.Reader Read

func (ReaderSeekerCloser) Seek 

func (r ReaderSeekerCloser) Seek(offset int64, whence int) (int64, error)

Seek sets the offset for the next Read to offset, interpreted according to whence: 0 means relative to the origin of the file, 1 means relative to the current offset, and 2 means relative to the end. Seek returns the new offset and an error, if any.

If the ReaderSeekerCloser is not an io.Seeker nothing will be done.

type RequestRetryer 

type RequestRetryer interface{}

RequestRetryer is an alias for a type that implements the request.Retryer interface.

type WriteAtBuffer 

type WriteAtBuffer struct {
	// contains filtered or unexported fields
}

A WriteAtBuffer provides a in memory buffer supporting the io.WriterAt interface Can be used with the s3manager.Downloader to download content to a buffer in memory. Safe to use concurrently.

func (*WriteAtBuffer) Bytes 

func (b *WriteAtBuffer) Bytes() []byte

Bytes returns a slice of bytes written to the buffer.

func (*WriteAtBuffer) WriteAt 

func (b *WriteAtBuffer) WriteAt(p []byte, pos int64) (n int, err error)

WriteAt writes a slice of bytes to a buffer starting at the position provided The number of bytes written will be returned, or error. Can overwrite previous written slices if the write ats overlap.

Source Files

View all Source files

Directories

Path Synopsis
Package awserr represents API error interface accessors for the SDK.
 Package awserr represents API error interface accessors for the SDK.
metadata
Package credentials provides credential retrieval and management The Credentials is the primary method of getting access to and managing credentials Values.
 Package credentials provides credential retrieval and management The Credentials is the primary method of getting access to and managing credentials Values.
ec2rolecreds
stscreds
Package stscreds are credential Providers to retrieve STS AWS credentials.
 Package stscreds are credential Providers to retrieve STS AWS credentials.
Package defaults is a collection of helpers to retrieve the SDK's default configuration and handlers.
 Package defaults is a collection of helpers to retrieve the SDK's default configuration and handlers.
Package ec2metadata provides the client for making API calls to the EC2 Metadata service.
 Package ec2metadata provides the client for making API calls to the EC2 Metadata service.
Package session provides a way to create service clients with shared configuration and handlers.
 Package session provides a way to create service clients with shared configuration and handlers.

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