diff options
Diffstat (limited to 'vendor/github.com/aws/aws-sdk-go/aws/config.go')
-rw-r--r-- | vendor/github.com/aws/aws-sdk-go/aws/config.go | 470 |
1 files changed, 470 insertions, 0 deletions
diff --git a/vendor/github.com/aws/aws-sdk-go/aws/config.go b/vendor/github.com/aws/aws-sdk-go/aws/config.go new file mode 100644 index 00000000..d1f31f1c --- /dev/null +++ b/vendor/github.com/aws/aws-sdk-go/aws/config.go @@ -0,0 +1,470 @@ +package aws + +import ( + "net/http" + "time" + + "github.com/aws/aws-sdk-go/aws/credentials" + "github.com/aws/aws-sdk-go/aws/endpoints" +) + +// 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. +const UseServiceDefaultRetries = -1 + +// RequestRetryer is an alias for a type that implements the request.Retryer +// interface. +type RequestRetryer interface{} + +// A Config provides service configuration for service clients. By default, +// all clients will use the defaults.DefaultConfig tructure. +// +// // Create Session with MaxRetry configuration to be shared by multiple +// // service clients. +// sess := session.Must(session.NewSession(&aws.Config{ +// MaxRetries: aws.Int(3), +// })) +// +// // Create S3 service client with a specific Region. +// svc := s3.New(sess, &aws.Config{ +// Region: aws.String("us-west-2"), +// }) +type Config struct { + // Enables verbose error printing of all credential chain errors. + // Should be used when wanting to see all errors while attempting to + // retrieve 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 resolver to use for looking up endpoints for AWS service clients + // to use based on region. + EndpointResolver endpoints.Resolver + + // EnforceShouldRetryCheck is used in the AfterRetryHandler to always call + // ShouldRetry regardless of whether or not if request.Retryable is set. + // This will utilize ShouldRetry method of custom retryers. If EnforceShouldRetryCheck + // is not set, then ShouldRetry will only be called if request.Retryable is nil. + // Proper handling of the request.Retryable field is important when setting this field. + EnforceShouldRetryCheck *bool + + // 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 SDK adding the `Expect: 100-Continue` + // header to PUT requests over 2MB of content. 100-Continue instructs the + // HTTP client not to send the body until the service responds with a + // `continue` status. This is useful to prevent sending the request body + // until after the request is authenticated, and validated. + // + // http://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectPUT.html + // + // 100-Continue is only enabled for Go 1.6 and above. See `http.Transport`'s + // `ExpectContinueTimeout` for information on adjusting the continue wait + // timeout. https://golang.org/pkg/net/http/#Transport + // + // You should use this flag to disble 100-Continue if you experience issues + // with proxies or third party S3 compatible services. + S3Disable100Continue *bool + + // Set this to `true` to enable S3 Accelerate feature. For all operations + // compatible with S3 Accelerate will use the accelerate endpoint for + // requests. Requests not compatible will fall back to normal S3 requests. + // + // The bucket must be enable for accelerate to be used with S3 client with + // accelerate enabled. If the bucket is not enabled for accelerate an error + // will be returned. The bucket name must be DNS compatible to also work + // with accelerate. + S3UseAccelerate *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.NewSession() in order to disable + // the EC2Metadata overriding the timeout for default credentials chain. + // + // Example: + // sess := session.Must(session.NewSession(aws.NewConfig() + // .WithEC2MetadataDiableTimeoutOverride(true))) + // + // svc := s3.New(sess) + // + EC2MetadataDisableTimeoutOverride *bool + + // Instructs the endpiont to be generated for a service client to + // be the dual stack endpoint. The dual stack endpoint will support + // both IPv4 and IPv6 addressing. + // + // Setting this for a service which does not support dual stack will fail + // to make requets. It is not recommended to set this value on the session + // as it will apply to all service clients created with the session. Even + // services which don't support dual stack endpoints. + // + // If the Endpoint config value is also provided the UseDualStack flag + // will be ignored. + // + // Only supported with. + // + // sess := session.Must(session.NewSession()) + // + // svc := s3.New(sess, &aws.Config{ + // UseDualStack: aws.Bool(true), + // }) + UseDualStack *bool + + // SleepDelay is an override for the func the SDK will call when sleeping + // during the lifecycle of a request. Specifically this will be used for + // request delays. This value should only be used for testing. To adjust + // the delay of a request see the aws/client.DefaultRetryer and + // aws/request.Retryer. + // + // SleepDelay will prevent any Context from being used for canceling retry + // delay of an API operation. It is recommended to not use SleepDelay at all + // and specify a Retryer instead. + SleepDelay func(time.Duration) + + // DisableRestProtocolURICleaning will not clean the URL path when making rest protocol requests. + // Will default to false. This would only be used for empty directory names in s3 requests. + // + // Example: + // sess := session.Must(session.NewSession(&aws.Config{ + // DisableRestProtocolURICleaning: aws.Bool(true), + // })) + // + // svc := s3.New(sess) + // out, err := svc.GetObject(&s3.GetObjectInput { + // Bucket: aws.String("bucketname"), + // Key: aws.String("//foo//bar//moo"), + // }) + DisableRestProtocolURICleaning *bool +} + +// NewConfig returns a new Config pointer that can be chained with builder +// methods to set multiple configuration values inline without using pointers. +// +// // Create Session with MaxRetry configuration to be shared by multiple +// // service clients. +// sess := session.Must(session.NewSession(aws.NewConfig(). +// WithMaxRetries(3), +// )) +// +// // Create S3 service client with a specific Region. +// svc := s3.New(sess, aws.NewConfig(). +// WithRegion("us-west-2"), +// ) +func NewConfig() *Config { + return &Config{} +} + +// WithCredentialsChainVerboseErrors sets a config verbose errors boolean and returning +// a Config pointer. +func (c *Config) WithCredentialsChainVerboseErrors(verboseErrs bool) *Config { + c.CredentialsChainVerboseErrors = &verboseErrs + return c +} + +// WithCredentials sets a config Credentials value returning a Config pointer +// for chaining. +func (c *Config) WithCredentials(creds *credentials.Credentials) *Config { + c.Credentials = creds + return c +} + +// WithEndpoint sets a config Endpoint value returning a Config pointer for +// chaining. +func (c *Config) WithEndpoint(endpoint string) *Config { + c.Endpoint = &endpoint + return c +} + +// WithEndpointResolver sets a config EndpointResolver value returning a +// Config pointer for chaining. +func (c *Config) WithEndpointResolver(resolver endpoints.Resolver) *Config { + c.EndpointResolver = resolver + return c +} + +// WithRegion sets a config Region value returning a Config pointer for +// chaining. +func (c *Config) WithRegion(region string) *Config { + c.Region = ®ion + return c +} + +// WithDisableSSL sets a config DisableSSL value returning a Config pointer +// for chaining. +func (c *Config) WithDisableSSL(disable bool) *Config { + c.DisableSSL = &disable + return c +} + +// WithHTTPClient sets a config HTTPClient value returning a Config pointer +// for chaining. +func (c *Config) WithHTTPClient(client *http.Client) *Config { + c.HTTPClient = client + return c +} + +// WithMaxRetries sets a config MaxRetries value returning a Config pointer +// for chaining. +func (c *Config) WithMaxRetries(max int) *Config { + c.MaxRetries = &max + return c +} + +// WithDisableParamValidation sets a config DisableParamValidation value +// returning a Config pointer for chaining. +func (c *Config) WithDisableParamValidation(disable bool) *Config { + c.DisableParamValidation = &disable + return c +} + +// WithDisableComputeChecksums sets a config DisableComputeChecksums value +// returning a Config pointer for chaining. +func (c *Config) WithDisableComputeChecksums(disable bool) *Config { + c.DisableComputeChecksums = &disable + return c +} + +// WithLogLevel sets a config LogLevel value returning a Config pointer for +// chaining. +func (c *Config) WithLogLevel(level LogLevelType) *Config { + c.LogLevel = &level + return c +} + +// WithLogger sets a config Logger value returning a Config pointer for +// chaining. +func (c *Config) WithLogger(logger Logger) *Config { + c.Logger = logger + return c +} + +// WithS3ForcePathStyle sets a config S3ForcePathStyle value returning a Config +// pointer for chaining. +func (c *Config) WithS3ForcePathStyle(force bool) *Config { + c.S3ForcePathStyle = &force + return c +} + +// WithS3Disable100Continue sets a config S3Disable100Continue value returning +// a Config pointer for chaining. +func (c *Config) WithS3Disable100Continue(disable bool) *Config { + c.S3Disable100Continue = &disable + return c +} + +// WithS3UseAccelerate sets a config S3UseAccelerate value returning a Config +// pointer for chaining. +func (c *Config) WithS3UseAccelerate(enable bool) *Config { + c.S3UseAccelerate = &enable + return c +} + +// WithUseDualStack sets a config UseDualStack value returning a Config +// pointer for chaining. +func (c *Config) WithUseDualStack(enable bool) *Config { + c.UseDualStack = &enable + return c +} + +// WithEC2MetadataDisableTimeoutOverride sets a config EC2MetadataDisableTimeoutOverride value +// returning a Config pointer for chaining. +func (c *Config) WithEC2MetadataDisableTimeoutOverride(enable bool) *Config { + c.EC2MetadataDisableTimeoutOverride = &enable + return c +} + +// WithSleepDelay overrides the function used to sleep while waiting for the +// next retry. Defaults to time.Sleep. +func (c *Config) WithSleepDelay(fn func(time.Duration)) *Config { + c.SleepDelay = fn + return c +} + +// MergeIn merges the passed in configs into the existing config object. +func (c *Config) MergeIn(cfgs ...*Config) { + for _, other := range cfgs { + mergeInConfig(c, other) + } +} + +func mergeInConfig(dst *Config, other *Config) { + if other == nil { + return + } + + if other.CredentialsChainVerboseErrors != nil { + dst.CredentialsChainVerboseErrors = other.CredentialsChainVerboseErrors + } + + if other.Credentials != nil { + dst.Credentials = other.Credentials + } + + if other.Endpoint != nil { + dst.Endpoint = other.Endpoint + } + + if other.EndpointResolver != nil { + dst.EndpointResolver = other.EndpointResolver + } + + if other.Region != nil { + dst.Region = other.Region + } + + if other.DisableSSL != nil { + dst.DisableSSL = other.DisableSSL + } + + if other.HTTPClient != nil { + dst.HTTPClient = other.HTTPClient + } + + if other.LogLevel != nil { + dst.LogLevel = other.LogLevel + } + + if other.Logger != nil { + dst.Logger = other.Logger + } + + if other.MaxRetries != nil { + dst.MaxRetries = other.MaxRetries + } + + if other.Retryer != nil { + dst.Retryer = other.Retryer + } + + if other.DisableParamValidation != nil { + dst.DisableParamValidation = other.DisableParamValidation + } + + if other.DisableComputeChecksums != nil { + dst.DisableComputeChecksums = other.DisableComputeChecksums + } + + if other.S3ForcePathStyle != nil { + dst.S3ForcePathStyle = other.S3ForcePathStyle + } + + if other.S3Disable100Continue != nil { + dst.S3Disable100Continue = other.S3Disable100Continue + } + + if other.S3UseAccelerate != nil { + dst.S3UseAccelerate = other.S3UseAccelerate + } + + if other.UseDualStack != nil { + dst.UseDualStack = other.UseDualStack + } + + if other.EC2MetadataDisableTimeoutOverride != nil { + dst.EC2MetadataDisableTimeoutOverride = other.EC2MetadataDisableTimeoutOverride + } + + if other.SleepDelay != nil { + dst.SleepDelay = other.SleepDelay + } + + if other.DisableRestProtocolURICleaning != nil { + dst.DisableRestProtocolURICleaning = other.DisableRestProtocolURICleaning + } + + if other.EnforceShouldRetryCheck != nil { + dst.EnforceShouldRetryCheck = other.EnforceShouldRetryCheck + } +} + +// 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 (c *Config) Copy(cfgs ...*Config) *Config { + dst := &Config{} + dst.MergeIn(c) + + for _, cfg := range cfgs { + dst.MergeIn(cfg) + } + + return dst +} |