package aws import ( "strings" "unicode" "github.com/mitchellh/goamz/aws" ) type Config struct { AccessKey string `mapstructure:"access_key"` SecretKey string `mapstructure:"secret_key"` Region string `mapstructure:"region"` } // AWSAuth returns a valid aws.Auth object for access to AWS services, or // an error if the authentication couldn't be resolved. // // TODO(mitchellh): Test in some way. func (c *Config) AWSAuth() (aws.Auth, error) { auth, err := aws.GetAuth(c.AccessKey, c.SecretKey) if err == nil { // Store the accesskey and secret that we got... c.AccessKey = auth.AccessKey c.SecretKey = auth.SecretKey } return auth, err } // AWSRegion returns the configured region. // // TODO(mitchellh): Test in some way. func (c *Config) AWSRegion() (aws.Region, error) { if c.Region != "" { return aws.Regions[c.Region], nil } md, err := aws.GetMetaData("placement/availability-zone") if err != nil { return aws.Region{}, err } region := strings.TrimRightFunc(string(md), unicode.IsLetter) return aws.Regions[region], nil }