Function listRoleNames

pkg/credentials/iam_aws.go:276–304

listRoleNames lists of credential role names associated with the current EC2 service. If there are no credentials, or there is an error making or receiving the request. http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/iam-roles-for-amazon-ec2.html

(client *http.Client, u *url.URL, token string)

// or there is an error making or receiving the request.
// http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/iam-roles-for-amazon-ec2.html
func listRoleNames(client *http.Client, u *url.URL, token string) ([]string, error) {
	req, err := http.NewRequest(http.MethodGet, u.String(), nil)
	if err != nil {
		return nil, err
	}
	if token != "" {
		req.Header.Add(TokenRequestHeader, token)
	}
	resp, err := client.Do(req)
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()
	if resp.StatusCode != http.StatusOK {
		return nil, errors.New(resp.Status)
	}

	credsList := []string{}
	s := bufio.NewScanner(resp.Body)
	for s.Scan() {
		credsList = append(credsList, s.Text())
	}

	if err := s.Err(); err != nil {
		return nil, err
	}

	return credsList, nil
}

func getEcsTaskCredentials(client *http.Client, endpoint, token string) (ec2RoleCredRespBody, error) {
	req, err := http.NewRequest(http.MethodGet, endpoint, nil)