// findServiceArn finds a service arn from a more human
// readable name
func findServiceArn(svc *ecs.ECS, clusterArn string, serviceName string) (string, error) {
params := &ecs.ListServicesInput{
Cluster: aws.String(clusterArn),
}
services, err := svc.ListServices(params)
if err != nil {
return "", err
}
for _, serviceId := range services.ServiceArns {
var pattern string = `/` + serviceName + `$`
matched, _ := regexp.MatchString(pattern, *serviceId)
if matched {
return *serviceId, nil
}
}
return "", errors.New("Could not find service with name: " + serviceName)
}
// GetServices will return a slice of ECS Services for a given cluster
func GetServices(svc *ecs.ECS, cluster *string) ([]*ecs.Service, error) {
var serviceArns []*string
// List clusters
reqParams := &ecs.ListServicesInput{
Cluster: cluster,
MaxResults: aws.Int64(10),
NextToken: aws.String(""),
}
// Loop through tokens until no more results remain
for {
resp, err := svc.ListServices(reqParams)
// Error check
if err != nil {
return nil, fmt.Errorf("ecs.ListServices: %s", err.Error())
}
// Expand slice of services and append to our comprehensive list
serviceArns = append(serviceArns, resp.ServiceArns...)
// Cycle token
if resp.NextToken != nil {
reqParams.NextToken = resp.NextToken
} else {
// Kill loop ... out of response pages
break
}
}
// Describe the services that we just got back
resp, err := svc.DescribeServices(&ecs.DescribeServicesInput{
Cluster: cluster,
Services: serviceArns,
})
if err != nil {
return nil, fmt.Errorf("ecs.DescribeServices: %s", err.Error())
}
return resp.Services, nil
}