S3: rearrange credentials chain to be standard

Signed-off-by: Steve Kriss <steve@heptio.com>
This commit is contained in:
Steve Kriss 2018-05-16 16:39:25 -07:00
parent d67b9a32c6
commit b358dd369b
1 changed files with 11 additions and 9 deletions

View File

@ -40,21 +40,24 @@ func open(cfg Config, rt http.RoundTripper) (*Backend, error) {
minio.MaxRetry = int(cfg.MaxRetries)
}
// Chains all credential types, starting with
// Static credentials provided by user.
// IAM profile based credentials. (performs an HTTP
// call to a pre-defined endpoint, only valid inside
// configured ec2 instances)
// AWS env variables such as AWS_ACCESS_KEY_ID
// Minio env variables such as MINIO_ACCESS_KEY
// Chains all credential types, in the following order:
// - Static credentials provided by user
// - AWS env vars (i.e. AWS_ACCESS_KEY_ID)
// - Minio env vars (i.e. MINIO_ACCESS_KEY)
// - AWS creds file (i.e. AWS_SHARED_CREDENTIALS_FILE or ~/.aws/credentials)
// - Minio creds file (i.e. MINIO_SHARED_CREDENTIALS_FILE or ~/.mc/config.json)
// - IAM profile based credentials. (performs an HTTP
// call to a pre-defined endpoint, only valid inside
// configured ec2 instances)
creds := credentials.NewChainCredentials([]credentials.Provider{
&credentials.EnvAWS{},
&credentials.Static{
Value: credentials.Value{
AccessKeyID: cfg.KeyID,
SecretAccessKey: cfg.Secret,
},
},
&credentials.EnvAWS{},
&credentials.EnvMinio{},
&credentials.FileAWSCredentials{},
&credentials.FileMinioClient{},
&credentials.IAM{
@ -62,7 +65,6 @@ func open(cfg Config, rt http.RoundTripper) (*Backend, error) {
Transport: http.DefaultTransport,
},
},
&credentials.EnvMinio{},
})
client, err := minio.NewWithCredentials(cfg.Endpoint, creds, !cfg.UseHTTP, "")
if err != nil {