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Fixes an IAM role authentication bug

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More specifically, the driver panics if initialized with
FromParameters with empty accesskey or secretkey.
This commit is contained in:
Andrey Kostov 2015-01-23 15:50:55 -08:00
parent 75c1b2bae7
commit 34f86b9ad6
1 changed files with 8 additions and 2 deletions
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10
storagedriver/s3/s3.go
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@ -82,8 +82,14 @@ func FromParameters(parameters map[string]interface{}) (*Driver, error) {
// Providing no values for these is valid in case the user is authenticating
// with an IAM on an ec2 instance (in which case the instance credentials will
// be summoned when GetAuth is called)
accessKey, _ := parameters["accesskey"]
secretKey, _ := parameters["secretkey"]
accessKey, ok := parameters["accesskey"]
if !ok {
accessKey = ""
}
secretKey, ok := parameters["secretkey"]
if !ok {
secretKey = ""
}
regionName, ok := parameters["region"]
if !ok || fmt.Sprint(regionName) == "" {