func GetClusterMembersByFunc(findAutoscalingGroup func(string) (*autoscaling.Group, error)) (map[string]string, error) {
// Availability Zone
availabilityZone, err := util.HttpGet("http://169.254.169.254/latest/meta-data/placement/availability-zone")
if err != nil {
return nil, err
}
// Region
region := availabilityZone[:len(availabilityZone)-1]
// Find which is the autoscaling group
autoscalingGroup, err := findAutoscalingGroup(region)
if err != nil {
return nil, err
}
// Create list of instance identifiers
instanceIds := make([]*string, 0)
for _, i := range autoscalingGroup.Instances {
instanceIds = append(instanceIds, i.InstanceID)
}
// Find EC2 instance properties
privateAddresses, err := findEC2InstancesPrivateAddresses(instanceIds, region)
if err != nil {
return nil, err
}
return privateAddresses, nil
}
func (aws *Aws) GetInstancePrivateAddress() (string, error) {
// Local IPv4 (Private Address)
localIp, err := util.HttpGet("http://169.254.169.254/latest/meta-data/local-ipv4")
if err != nil {
return "", err
}
return localIp, nil
}
func (aws *Aws) GetInstanceId() (string, error) {
// Instance Id
instanceId, err := util.HttpGet("http://169.254.169.254/latest/meta-data/instance-id")
if err != nil {
return "", err
}
return instanceId, nil
}