From 8c12c6939aab9106db14ec2d11d983bc5b29fb2c Mon Sep 17 00:00:00 2001 From: Niall Sheridan Date: Sun, 7 Jul 2019 21:33:44 +0100 Subject: Switch to modules --- .../aws/aws-sdk-go/aws/ec2metadata/service.go | 148 --------------------- 1 file changed, 148 deletions(-) delete mode 100644 vendor/github.com/aws/aws-sdk-go/aws/ec2metadata/service.go (limited to 'vendor/github.com/aws/aws-sdk-go/aws/ec2metadata/service.go') diff --git a/vendor/github.com/aws/aws-sdk-go/aws/ec2metadata/service.go b/vendor/github.com/aws/aws-sdk-go/aws/ec2metadata/service.go deleted file mode 100644 index ef5f732..0000000 --- a/vendor/github.com/aws/aws-sdk-go/aws/ec2metadata/service.go +++ /dev/null @@ -1,148 +0,0 @@ -// Package ec2metadata provides the client for making API calls to the -// EC2 Metadata service. -// -// This package's client can be disabled completely by setting the environment -// variable "AWS_EC2_METADATA_DISABLED=true". This environment variable set to -// true instructs the SDK to disable the EC2 Metadata client. The client cannot -// be used while the environemnt variable is set to true, (case insensitive). -package ec2metadata - -import ( - "bytes" - "errors" - "io" - "net/http" - "os" - "strings" - "time" - - "github.com/aws/aws-sdk-go/aws" - "github.com/aws/aws-sdk-go/aws/awserr" - "github.com/aws/aws-sdk-go/aws/client" - "github.com/aws/aws-sdk-go/aws/client/metadata" - "github.com/aws/aws-sdk-go/aws/corehandlers" - "github.com/aws/aws-sdk-go/aws/request" -) - -// ServiceName is the name of the service. -const ServiceName = "ec2metadata" -const disableServiceEnvVar = "AWS_EC2_METADATA_DISABLED" - -// A EC2Metadata is an EC2 Metadata service Client. -type EC2Metadata struct { - *client.Client -} - -// New creates a new instance of the EC2Metadata client with a session. -// This client is safe to use across multiple goroutines. -// -// -// Example: -// // Create a EC2Metadata client from just a session. -// svc := ec2metadata.New(mySession) -// -// // Create a EC2Metadata client with additional configuration -// svc := ec2metadata.New(mySession, aws.NewConfig().WithLogLevel(aws.LogDebugHTTPBody)) -func New(p client.ConfigProvider, cfgs ...*aws.Config) *EC2Metadata { - c := p.ClientConfig(ServiceName, cfgs...) - return NewClient(*c.Config, c.Handlers, c.Endpoint, c.SigningRegion) -} - -// NewClient returns a new EC2Metadata client. Should be used to create -// a client when not using a session. Generally using just New with a session -// is preferred. -// -// If an unmodified HTTP client is provided from the stdlib default, or no client -// the EC2RoleProvider's EC2Metadata HTTP client's timeout will be shortened. -// To disable this set Config.EC2MetadataDisableTimeoutOverride to false. Enabled by default. -func NewClient(cfg aws.Config, handlers request.Handlers, endpoint, signingRegion string, opts ...func(*client.Client)) *EC2Metadata { - if !aws.BoolValue(cfg.EC2MetadataDisableTimeoutOverride) && httpClientZero(cfg.HTTPClient) { - // If the http client is unmodified and this feature is not disabled - // set custom timeouts for EC2Metadata requests. - cfg.HTTPClient = &http.Client{ - // use a shorter timeout than default because the metadata - // service is local if it is running, and to fail faster - // if not running on an ec2 instance. - Timeout: 5 * time.Second, - } - } - - svc := &EC2Metadata{ - Client: client.New( - cfg, - metadata.ClientInfo{ - ServiceName: ServiceName, - Endpoint: endpoint, - APIVersion: "latest", - }, - handlers, - ), - } - - svc.Handlers.Unmarshal.PushBack(unmarshalHandler) - svc.Handlers.UnmarshalError.PushBack(unmarshalError) - svc.Handlers.Validate.Clear() - svc.Handlers.Validate.PushBack(validateEndpointHandler) - - // Disable the EC2 Metadata service if the environment variable is set. - // This shortcirctes the service's functionality to always fail to send - // requests. - if strings.ToLower(os.Getenv(disableServiceEnvVar)) == "true" { - svc.Handlers.Send.SwapNamed(request.NamedHandler{ - Name: corehandlers.SendHandler.Name, - Fn: func(r *request.Request) { - r.Error = awserr.New( - request.CanceledErrorCode, - "EC2 IMDS access disabled via "+disableServiceEnvVar+" env var", - nil) - }, - }) - } - - // Add additional options to the service config - for _, option := range opts { - option(svc.Client) - } - - return svc -} - -func httpClientZero(c *http.Client) bool { - return c == nil || (c.Transport == nil && c.CheckRedirect == nil && c.Jar == nil && c.Timeout == 0) -} - -type metadataOutput struct { - Content string -} - -func unmarshalHandler(r *request.Request) { - defer r.HTTPResponse.Body.Close() - b := &bytes.Buffer{} - if _, err := io.Copy(b, r.HTTPResponse.Body); err != nil { - r.Error = awserr.New("SerializationError", "unable to unmarshal EC2 metadata respose", err) - return - } - - if data, ok := r.Data.(*metadataOutput); ok { - data.Content = b.String() - } -} - -func unmarshalError(r *request.Request) { - defer r.HTTPResponse.Body.Close() - b := &bytes.Buffer{} - if _, err := io.Copy(b, r.HTTPResponse.Body); err != nil { - r.Error = awserr.New("SerializationError", "unable to unmarshal EC2 metadata error respose", err) - return - } - - // Response body format is not consistent between metadata endpoints. - // Grab the error message as a string and include that as the source error - r.Error = awserr.New("EC2MetadataError", "failed to make EC2Metadata request", errors.New(b.String())) -} - -func validateEndpointHandler(r *request.Request) { - if r.ClientInfo.Endpoint == "" { - r.Error = aws.ErrMissingEndpoint - } -} -- cgit v1.2.3