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