func (c *Cluster) Info() (*ClusterInfo, error) {
resources := make([]cloudformation.StackResourceSummary, 0)
req := cloudformation.ListStackResourcesInput{
StackName: c.clusterName,
}
for {
resp, err := c.svc.ListStackResources(&req)
if err != nil {
return nil, err
}
for _, s := range resp.StackResourceSummaries {
resources = append(resources, *s)
}
req.NextToken = resp.NextToken
if aws.StringValue(req.NextToken) == "" {
break
}
}
var info ClusterInfo
for _, r := range resources {
switch aws.StringValue(r.LogicalResourceId) {
case "EIPController":
if r.PhysicalResourceId != nil {
info.ControllerIP = *r.PhysicalResourceId
} else {
return nil, fmt.Errorf("unable to get public IP of controller instance")
}
}
}
return &info, nil
}
func getStackResources(svc *cloudformation.CloudFormation, stackID string) ([]cloudformation.StackResourceSummary, error) {
resources := make([]cloudformation.StackResourceSummary, 0)
req := cloudformation.ListStackResourcesInput{
StackName: aws.String(stackID),
}
for {
resp, err := svc.ListStackResources(&req)
if err != nil {
return nil, err
}
for _, s := range resp.StackResourceSummaries {
resources = append(resources, *s)
}
req.NextToken = resp.NextToken
if aws.StringValue(req.NextToken) == "" {
break
}
}
return resources, nil
}