compose/ecs/pkg/amazon/backend/list.go

73 lines
1.7 KiB
Go

package backend
import (
"context"
"fmt"
"regexp"
"strings"
"github.com/compose-spec/compose-go/cli"
"github.com/docker/ecs-plugin/pkg/compose"
)
var targetGroupLogicalName = regexp.MustCompile("(.*)(TCP|UDP)([0-9]+)TargetGroup")
func (b *Backend) Ps(ctx context.Context, options cli.ProjectOptions) ([]compose.ServiceStatus, error) {
projectName, err := b.projectName(options)
if err != nil {
return nil, err
}
parameters, err := b.api.ListStackParameters(ctx, projectName)
if err != nil {
return nil, err
}
loadBalancer := parameters[ParameterLoadBalancerARN]
cluster := parameters[ParameterClusterName]
resources, err := b.api.ListStackResources(ctx, projectName)
if err != nil {
return nil, err
}
servicesARN := []string{}
targetGroups := []string{}
for _, r := range resources {
switch r.Type {
case "AWS::ECS::Service":
servicesARN = append(servicesARN, r.ARN)
case "AWS::ECS::Cluster":
cluster = r.ARN
case "AWS::ElasticLoadBalancingV2::LoadBalancer":
loadBalancer = r.ARN
case "AWS::ElasticLoadBalancingV2::TargetGroup":
targetGroups = append(targetGroups, r.LogicalID)
}
}
if len(servicesARN) == 0 {
return nil, nil
}
status, err := b.api.DescribeServices(ctx, cluster, servicesARN)
if err != nil {
return nil, err
}
url, err := b.api.GetLoadBalancerURL(ctx, loadBalancer)
if err != nil {
return nil, err
}
for i, state := range status {
ports := []string{}
for _, tg := range targetGroups {
groups := targetGroupLogicalName.FindStringSubmatch(tg)
if groups[0] == state.Name {
ports = append(ports, fmt.Sprintf("%s:%s->%s/%s", url, groups[2], groups[2], strings.ToLower(groups[1])))
}
}
state.Ports = ports
status[i] = state
}
return status, nil
}