func (sb signerBuilder) BuildSigner() signer {
endpoint := "https://" + sb.ServiceName + "." + sb.Region + ".amazonaws.com"
var req *http.Request
if sb.Method == "POST" {
body := []byte(sb.Query.Encode())
reader := bytes.NewReader(body)
req, _ = http.NewRequest(sb.Method, endpoint, reader)
req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
req.Header.Add("Content-Length", string(len(body)))
} else {
req, _ = http.NewRequest(sb.Method, endpoint, nil)
req.URL.RawQuery = sb.Query.Encode()
}
signer := signer{
Request: req,
Time: sb.SignTime,
Credentials: credentials.NewStaticCredentials(
"AKID",
"SECRET",
sb.SessionToken),
}
if os.Getenv("DEBUG") != "" {
signer.Debug = aws.LogDebug
signer.Logger = aws.NewDefaultLogger()
}
return signer
}
func copyConfig(config *Config) *aws.Config {
if config == nil {
config = &Config{}
}
c := &aws.Config{
Credentials: credentials.AnonymousCredentials,
Endpoint: config.Endpoint,
HTTPClient: config.HTTPClient,
Logger: config.Logger,
LogLevel: config.LogLevel,
MaxRetries: config.MaxRetries,
}
if c.HTTPClient == nil {
c.HTTPClient = &http.Client{
Transport: &http.Transport{
Proxy: http.ProxyFromEnvironment,
Dial: (&net.Dialer{
// 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,
KeepAlive: 30 * time.Second,
}).Dial,
TLSHandshakeTimeout: 10 * time.Second,
},
}
}
if c.Logger == nil {
c.Logger = aws.NewDefaultLogger()
}
if c.LogLevel == nil {
c.LogLevel = aws.LogLevel(aws.LogOff)
}
if c.MaxRetries == nil {
c.MaxRetries = aws.Int(DefaultRetries)
}
return c
}
"github.com/upstartmobile/aws-sdk-go/aws/credentials/ec2rolecreds"
)
// DefaultChainCredentials is a Credentials which will find the first available
// credentials Value from the list of Providers.
//
// This should be used in the default case. Once the type of credentials are
// known switching to the specific Credentials will be more efficient.
var DefaultChainCredentials = credentials.NewChainCredentials(
[]credentials.Provider{
&credentials.EnvProvider{},
&credentials.SharedCredentialsProvider{Filename: "", Profile: ""},
&ec2rolecreds.EC2RoleProvider{ExpiryWindow: 5 * time.Minute},
})
// DefaultConfig is the default all service configuration will be based off of.
// By default, all clients use this structure for initialization options unless
// a custom configuration object is passed in.
//
// You may modify this global structure to change all default configuration
// in the SDK. Note that configuration options are copied by value, so any
// modifications must happen before constructing a client.
var DefaultConfig = aws.NewConfig().
WithCredentials(DefaultChainCredentials).
WithRegion(os.Getenv("AWS_REGION")).
WithHTTPClient(http.DefaultClient).
WithMaxRetries(aws.DefaultRetries).
WithLogger(aws.NewDefaultLogger()).
WithLogLevel(aws.LogOff).
WithSleepDelay(time.Sleep)
