telegraf/config/aws/credentials.go

53 lines
1.3 KiB
Go

package aws
import (
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/client"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/credentials/stscreds"
"github.com/aws/aws-sdk-go/aws/session"
)
type CredentialConfig struct {
Region string
AccessKey string
SecretKey string
RoleARN string
Profile string
Filename string
Token string
EndpointURL string
}
func (c *CredentialConfig) Credentials() client.ConfigProvider {
if c.RoleARN != "" {
return c.assumeCredentials()
} else {
return c.rootCredentials()
}
}
func (c *CredentialConfig) rootCredentials() client.ConfigProvider {
config := &aws.Config{
Region: aws.String(c.Region),
Endpoint: &c.EndpointURL,
}
if c.AccessKey != "" || c.SecretKey != "" {
config.Credentials = credentials.NewStaticCredentials(c.AccessKey, c.SecretKey, c.Token)
} else if c.Profile != "" || c.Filename != "" {
config.Credentials = credentials.NewSharedCredentials(c.Filename, c.Profile)
}
return session.New(config)
}
func (c *CredentialConfig) assumeCredentials() client.ConfigProvider {
rootCredentials := c.rootCredentials()
config := &aws.Config{
Region: aws.String(c.Region),
Endpoint: &c.EndpointURL,
}
config.Credentials = stscreds.NewCredentials(rootCredentials, c.RoleARN)
return session.New(config)
}