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Include the externalID in the cache key #316

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Include the externalID in the cache key #316

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3 changes: 2 additions & 1 deletion iam/iam.go
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Original file line number Diff line number Diff line change
Expand Up @@ -128,7 +128,8 @@ func (iam *Client) EndpointFor(service, region string, optFns ...func(*endpoints
// AssumeRole returns an IAM role Credentials using AWS STS.
func (iam *Client) AssumeRole(roleARN, externalID string, remoteIP string, sessionTTL time.Duration) (*Credentials, error) {
hitCache := true
item, err := cache.Fetch(roleARN, sessionTTL, func() (interface{}, error) {
cacheKey := fmt.Sprintf("externalID/%s/roleARN/%s", externalID, roleARN)
item, err := cache.Fetch(cacheKey, sessionTTL, func() (interface{}, error) {
hitCache = false

// Set up a prometheus timer to track the AWS request duration. It stores the timer value when
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