2017-04-17 10:50:02 +00:00
|
|
|
package ecs
|
2017-01-05 14:24:17 +00:00
|
|
|
|
|
|
|
import (
|
|
|
|
"context"
|
|
|
|
"fmt"
|
|
|
|
"strings"
|
|
|
|
"time"
|
|
|
|
|
|
|
|
"github.com/aws/aws-sdk-go/aws"
|
|
|
|
"github.com/aws/aws-sdk-go/aws/credentials"
|
|
|
|
"github.com/aws/aws-sdk-go/aws/defaults"
|
|
|
|
"github.com/aws/aws-sdk-go/aws/ec2metadata"
|
|
|
|
"github.com/aws/aws-sdk-go/aws/session"
|
|
|
|
"github.com/aws/aws-sdk-go/service/ec2"
|
|
|
|
"github.com/aws/aws-sdk-go/service/ecs"
|
|
|
|
"github.com/cenk/backoff"
|
|
|
|
"github.com/containous/traefik/job"
|
|
|
|
"github.com/containous/traefik/log"
|
2017-04-17 10:50:02 +00:00
|
|
|
"github.com/containous/traefik/provider"
|
2017-01-05 14:24:17 +00:00
|
|
|
"github.com/containous/traefik/safe"
|
|
|
|
"github.com/containous/traefik/types"
|
|
|
|
)
|
|
|
|
|
2017-04-17 10:50:02 +00:00
|
|
|
var _ provider.Provider = (*Provider)(nil)
|
2017-01-05 14:24:17 +00:00
|
|
|
|
2017-04-17 10:50:02 +00:00
|
|
|
// Provider holds configurations of the provider.
|
|
|
|
type Provider struct {
|
2017-10-02 08:32:02 +00:00
|
|
|
provider.BaseProvider `mapstructure:",squash" export:"true"`
|
2017-01-05 14:24:17 +00:00
|
|
|
|
|
|
|
Domain string `description:"Default domain used"`
|
2017-10-02 08:32:02 +00:00
|
|
|
ExposedByDefault bool `description:"Expose containers by default" export:"true"`
|
|
|
|
RefreshSeconds int `description:"Polling interval (in seconds)" export:"true"`
|
2017-01-05 14:24:17 +00:00
|
|
|
|
2017-04-17 10:50:02 +00:00
|
|
|
// Provider lookup parameters
|
2017-08-22 09:46:03 +00:00
|
|
|
Clusters Clusters `description:"ECS Clusters name"`
|
2017-10-02 08:32:02 +00:00
|
|
|
AutoDiscoverClusters bool `description:"Auto discover cluster" export:"true"`
|
|
|
|
Region string `description:"The AWS region to use for requests" export:"true"`
|
2017-08-22 09:46:03 +00:00
|
|
|
AccessKeyID string `description:"The AWS credentials access key to use for making requests"`
|
|
|
|
SecretAccessKey string `description:"The AWS credentials access key to use for making requests"`
|
2017-01-05 14:24:17 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
type ecsInstance struct {
|
|
|
|
Name string
|
|
|
|
ID string
|
|
|
|
containerDefinition *ecs.ContainerDefinition
|
2018-05-28 16:52:03 +00:00
|
|
|
machine *machine
|
2018-03-28 00:13:48 +00:00
|
|
|
TraefikLabels map[string]string
|
2018-08-27 14:32:05 +00:00
|
|
|
SegmentLabels map[string]string
|
|
|
|
SegmentName string
|
2017-01-05 14:24:17 +00:00
|
|
|
}
|
|
|
|
|
2018-07-04 13:08:03 +00:00
|
|
|
type portMapping struct {
|
|
|
|
containerPort int64
|
|
|
|
hostPort int64
|
|
|
|
}
|
|
|
|
|
2018-05-28 16:52:03 +00:00
|
|
|
type machine struct {
|
|
|
|
state string
|
|
|
|
privateIP string
|
2018-07-04 13:08:03 +00:00
|
|
|
ports []portMapping
|
2018-05-28 16:52:03 +00:00
|
|
|
}
|
|
|
|
|
2017-01-05 14:24:17 +00:00
|
|
|
type awsClient struct {
|
|
|
|
ecs *ecs.ECS
|
|
|
|
ec2 *ec2.EC2
|
|
|
|
}
|
|
|
|
|
2018-07-11 07:08:03 +00:00
|
|
|
// Init the provider
|
|
|
|
func (p *Provider) Init(constraints types.Constraints) error {
|
|
|
|
return p.BaseProvider.Init(constraints)
|
|
|
|
}
|
|
|
|
|
2017-04-17 10:50:02 +00:00
|
|
|
func (p *Provider) createClient() (*awsClient, error) {
|
2018-02-22 13:58:04 +00:00
|
|
|
sess, err := session.NewSession()
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
2018-07-11 07:08:03 +00:00
|
|
|
|
2017-01-05 14:24:17 +00:00
|
|
|
ec2meta := ec2metadata.New(sess)
|
2017-04-17 10:50:02 +00:00
|
|
|
if p.Region == "" {
|
2017-01-05 14:24:17 +00:00
|
|
|
log.Infoln("No EC2 region provided, querying instance metadata endpoint...")
|
|
|
|
identity, err := ec2meta.GetInstanceIdentityDocument()
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
2017-04-17 10:50:02 +00:00
|
|
|
p.Region = identity.Region
|
2017-01-05 14:24:17 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
cfg := &aws.Config{
|
2017-04-17 10:50:02 +00:00
|
|
|
Region: &p.Region,
|
2017-01-05 14:24:17 +00:00
|
|
|
Credentials: credentials.NewChainCredentials(
|
|
|
|
[]credentials.Provider{
|
|
|
|
&credentials.StaticProvider{
|
|
|
|
Value: credentials.Value{
|
2017-04-17 10:50:02 +00:00
|
|
|
AccessKeyID: p.AccessKeyID,
|
|
|
|
SecretAccessKey: p.SecretAccessKey,
|
2017-01-05 14:24:17 +00:00
|
|
|
},
|
|
|
|
},
|
|
|
|
&credentials.EnvProvider{},
|
|
|
|
&credentials.SharedCredentialsProvider{},
|
|
|
|
defaults.RemoteCredProvider(*(defaults.Config()), defaults.Handlers()),
|
|
|
|
}),
|
|
|
|
}
|
|
|
|
|
2017-07-07 21:48:53 +00:00
|
|
|
if p.Trace {
|
|
|
|
cfg.WithLogger(aws.LoggerFunc(func(args ...interface{}) {
|
|
|
|
log.Debug(args...)
|
|
|
|
}))
|
|
|
|
}
|
|
|
|
|
2017-01-05 14:24:17 +00:00
|
|
|
return &awsClient{
|
2018-08-01 14:58:03 +00:00
|
|
|
ecs: ecs.New(sess, cfg),
|
|
|
|
ec2: ec2.New(sess, cfg),
|
2017-01-05 14:24:17 +00:00
|
|
|
}, nil
|
|
|
|
}
|
|
|
|
|
2017-04-17 10:50:02 +00:00
|
|
|
// Provide allows the ecs provider to provide configurations to traefik
|
2017-01-05 14:24:17 +00:00
|
|
|
// using the given configuration channel.
|
2018-07-11 07:08:03 +00:00
|
|
|
func (p *Provider) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool) error {
|
2017-01-05 14:24:17 +00:00
|
|
|
handleCanceled := func(ctx context.Context, err error) error {
|
|
|
|
if ctx.Err() == context.Canceled || err == context.Canceled {
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
|
|
|
pool.Go(func(stop chan bool) {
|
|
|
|
ctx, cancel := context.WithCancel(context.Background())
|
2017-07-19 12:11:45 +00:00
|
|
|
safe.Go(func() {
|
2017-12-06 09:52:03 +00:00
|
|
|
<-stop
|
|
|
|
cancel()
|
2017-07-19 12:11:45 +00:00
|
|
|
})
|
2017-01-05 14:24:17 +00:00
|
|
|
|
|
|
|
operation := func() error {
|
2017-10-10 09:10:02 +00:00
|
|
|
awsClient, err := p.createClient()
|
2017-01-05 14:24:17 +00:00
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
2017-10-10 09:10:02 +00:00
|
|
|
configuration, err := p.loadECSConfig(ctx, awsClient)
|
2017-01-05 14:24:17 +00:00
|
|
|
if err != nil {
|
|
|
|
return handleCanceled(ctx, err)
|
|
|
|
}
|
|
|
|
|
|
|
|
configurationChan <- types.ConfigMessage{
|
|
|
|
ProviderName: "ecs",
|
|
|
|
Configuration: configuration,
|
|
|
|
}
|
|
|
|
|
2017-04-17 10:50:02 +00:00
|
|
|
if p.Watch {
|
|
|
|
reload := time.NewTicker(time.Second * time.Duration(p.RefreshSeconds))
|
2017-01-05 14:24:17 +00:00
|
|
|
defer reload.Stop()
|
|
|
|
for {
|
|
|
|
select {
|
|
|
|
case <-reload.C:
|
2017-10-10 09:10:02 +00:00
|
|
|
configuration, err := p.loadECSConfig(ctx, awsClient)
|
2017-01-05 14:24:17 +00:00
|
|
|
if err != nil {
|
|
|
|
return handleCanceled(ctx, err)
|
|
|
|
}
|
|
|
|
|
|
|
|
configurationChan <- types.ConfigMessage{
|
|
|
|
ProviderName: "ecs",
|
|
|
|
Configuration: configuration,
|
|
|
|
}
|
|
|
|
case <-ctx.Done():
|
|
|
|
return handleCanceled(ctx, ctx.Err())
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
notify := func(err error, time time.Duration) {
|
2017-04-17 10:50:02 +00:00
|
|
|
log.Errorf("Provider connection error %+v, retrying in %s", err, time)
|
2017-01-05 14:24:17 +00:00
|
|
|
}
|
|
|
|
err := backoff.RetryNotify(safe.OperationWithRecover(operation), job.NewBackOff(backoff.NewExponentialBackOff()), notify)
|
|
|
|
if err != nil {
|
2017-04-17 10:50:02 +00:00
|
|
|
log.Errorf("Cannot connect to Provider api %+v", err)
|
2017-01-05 14:24:17 +00:00
|
|
|
}
|
|
|
|
})
|
|
|
|
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
2017-04-17 10:50:02 +00:00
|
|
|
// Find all running Provider tasks in a cluster, also collect the task definitions (for docker labels)
|
2017-01-05 14:24:17 +00:00
|
|
|
// and the EC2 instance data
|
2017-04-17 10:50:02 +00:00
|
|
|
func (p *Provider) listInstances(ctx context.Context, client *awsClient) ([]ecsInstance, error) {
|
2017-08-22 09:46:03 +00:00
|
|
|
var clustersArn []*string
|
|
|
|
var clusters Clusters
|
2017-01-05 14:24:17 +00:00
|
|
|
|
2017-08-22 09:46:03 +00:00
|
|
|
if p.AutoDiscoverClusters {
|
|
|
|
input := &ecs.ListClustersInput{}
|
|
|
|
for {
|
|
|
|
result, err := client.ecs.ListClusters(input)
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
if result != nil {
|
|
|
|
clustersArn = append(clustersArn, result.ClusterArns...)
|
|
|
|
input.NextToken = result.NextToken
|
|
|
|
if result.NextToken == nil {
|
|
|
|
break
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
break
|
|
|
|
}
|
2017-01-05 14:24:17 +00:00
|
|
|
}
|
2018-02-22 13:58:04 +00:00
|
|
|
for _, cArn := range clustersArn {
|
|
|
|
clusters = append(clusters, *cArn)
|
2017-08-22 09:46:03 +00:00
|
|
|
}
|
|
|
|
} else {
|
|
|
|
clusters = p.Clusters
|
2017-01-05 14:24:17 +00:00
|
|
|
}
|
2018-03-28 00:13:48 +00:00
|
|
|
|
|
|
|
var instances []ecsInstance
|
|
|
|
|
2017-08-22 09:46:03 +00:00
|
|
|
log.Debugf("ECS Clusters: %s", clusters)
|
2018-03-28 00:13:48 +00:00
|
|
|
|
2017-08-22 09:46:03 +00:00
|
|
|
for _, c := range clusters {
|
2017-01-05 14:24:17 +00:00
|
|
|
|
2018-05-28 16:52:03 +00:00
|
|
|
input := &ecs.ListTasksInput{
|
2017-08-22 09:46:03 +00:00
|
|
|
Cluster: &c,
|
|
|
|
DesiredStatus: aws.String(ecs.DesiredStatusRunning),
|
2018-05-28 16:52:03 +00:00
|
|
|
}
|
|
|
|
tasks := make(map[string]*ecs.Task)
|
|
|
|
err := client.ecs.ListTasksPagesWithContext(ctx, input, func(page *ecs.ListTasksOutput, lastPage bool) bool {
|
|
|
|
if len(page.TaskArns) > 0 {
|
|
|
|
resp, err := client.ecs.DescribeTasksWithContext(ctx, &ecs.DescribeTasksInput{
|
|
|
|
Tasks: page.TaskArns,
|
|
|
|
Cluster: &c,
|
|
|
|
})
|
|
|
|
if err != nil {
|
2018-07-03 08:02:03 +00:00
|
|
|
log.Errorf("Unable to describe tasks for %v", page.TaskArns)
|
2018-05-28 16:52:03 +00:00
|
|
|
} else {
|
|
|
|
for _, t := range resp.Tasks {
|
|
|
|
tasks[aws.StringValue(t.TaskArn)] = t
|
|
|
|
}
|
|
|
|
}
|
2017-08-22 09:46:03 +00:00
|
|
|
}
|
2018-05-28 16:52:03 +00:00
|
|
|
return !lastPage
|
|
|
|
})
|
2017-03-01 18:06:34 +00:00
|
|
|
|
2018-05-28 16:52:03 +00:00
|
|
|
if err != nil {
|
|
|
|
log.Error("Unable to list tasks")
|
|
|
|
return nil, err
|
2017-08-22 09:46:03 +00:00
|
|
|
}
|
2017-03-01 18:06:34 +00:00
|
|
|
|
2017-09-29 14:56:03 +00:00
|
|
|
// Skip to the next cluster if there are no tasks found on
|
|
|
|
// this cluster.
|
2018-05-28 16:52:03 +00:00
|
|
|
if len(tasks) == 0 {
|
2017-09-29 14:56:03 +00:00
|
|
|
continue
|
2017-03-01 18:06:34 +00:00
|
|
|
}
|
2017-01-05 14:24:17 +00:00
|
|
|
|
2018-05-28 16:52:03 +00:00
|
|
|
ec2Instances, err := p.lookupEc2Instances(ctx, client, &c, tasks)
|
2017-08-22 09:46:03 +00:00
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
2017-01-05 14:24:17 +00:00
|
|
|
|
2018-05-28 16:52:03 +00:00
|
|
|
taskDefinitions, err := p.lookupTaskDefinitions(ctx, client, tasks)
|
2017-08-22 09:46:03 +00:00
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
2017-01-05 14:24:17 +00:00
|
|
|
|
2018-05-28 16:52:03 +00:00
|
|
|
for key, task := range tasks {
|
2017-01-05 14:24:17 +00:00
|
|
|
|
2018-05-28 16:52:03 +00:00
|
|
|
containerInstance := ec2Instances[aws.StringValue(task.ContainerInstanceArn)]
|
|
|
|
taskDef := taskDefinitions[key]
|
2017-01-05 14:24:17 +00:00
|
|
|
|
2017-08-22 09:46:03 +00:00
|
|
|
for _, container := range task.Containers {
|
2017-01-05 14:24:17 +00:00
|
|
|
|
2017-08-22 09:46:03 +00:00
|
|
|
var containerDefinition *ecs.ContainerDefinition
|
2018-05-28 16:52:03 +00:00
|
|
|
for _, def := range taskDef.ContainerDefinitions {
|
2018-03-09 11:02:29 +00:00
|
|
|
if aws.StringValue(container.Name) == aws.StringValue(def.Name) {
|
2017-08-22 09:46:03 +00:00
|
|
|
containerDefinition = def
|
|
|
|
break
|
|
|
|
}
|
2017-01-05 14:24:17 +00:00
|
|
|
}
|
|
|
|
|
2018-05-28 16:52:03 +00:00
|
|
|
if containerDefinition == nil {
|
|
|
|
log.Debugf("Unable to find container definition for %s", aws.StringValue(container.Name))
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
|
|
|
|
var mach *machine
|
|
|
|
if aws.StringValue(task.LaunchType) == ecs.LaunchTypeFargate {
|
2018-07-04 13:08:03 +00:00
|
|
|
var ports []portMapping
|
|
|
|
for _, mapping := range containerDefinition.PortMappings {
|
|
|
|
if mapping != nil {
|
|
|
|
ports = append(ports, portMapping{
|
|
|
|
hostPort: aws.Int64Value(mapping.HostPort),
|
|
|
|
containerPort: aws.Int64Value(mapping.ContainerPort),
|
|
|
|
})
|
|
|
|
}
|
2018-05-28 16:52:03 +00:00
|
|
|
}
|
|
|
|
mach = &machine{
|
|
|
|
privateIP: aws.StringValue(container.NetworkInterfaces[0].PrivateIpv4Address),
|
2018-07-04 13:08:03 +00:00
|
|
|
ports: ports,
|
2018-05-28 16:52:03 +00:00
|
|
|
state: aws.StringValue(task.LastStatus),
|
|
|
|
}
|
|
|
|
} else {
|
2018-07-04 13:08:03 +00:00
|
|
|
var ports []portMapping
|
|
|
|
for _, mapping := range container.NetworkBindings {
|
|
|
|
if mapping != nil {
|
|
|
|
ports = append(ports, portMapping{
|
|
|
|
hostPort: aws.Int64Value(mapping.HostPort),
|
|
|
|
containerPort: aws.Int64Value(mapping.ContainerPort),
|
|
|
|
})
|
|
|
|
}
|
2018-05-28 16:52:03 +00:00
|
|
|
}
|
|
|
|
mach = &machine{
|
|
|
|
privateIP: aws.StringValue(containerInstance.PrivateIpAddress),
|
2018-07-04 13:08:03 +00:00
|
|
|
ports: ports,
|
2018-05-28 16:52:03 +00:00
|
|
|
state: aws.StringValue(containerInstance.State.Name),
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2017-08-22 09:46:03 +00:00
|
|
|
instances = append(instances, ecsInstance{
|
2018-03-28 00:13:48 +00:00
|
|
|
Name: fmt.Sprintf("%s-%s", strings.Replace(aws.StringValue(task.Group), ":", "-", 1), *container.Name),
|
2018-05-28 16:52:03 +00:00
|
|
|
ID: key[len(key)-12:],
|
2018-03-28 00:13:48 +00:00
|
|
|
containerDefinition: containerDefinition,
|
2018-05-28 16:52:03 +00:00
|
|
|
machine: mach,
|
2018-03-28 00:13:48 +00:00
|
|
|
TraefikLabels: aws.StringValueMap(containerDefinition.DockerLabels),
|
2017-08-22 09:46:03 +00:00
|
|
|
})
|
|
|
|
}
|
2017-01-05 14:24:17 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return instances, nil
|
|
|
|
}
|
|
|
|
|
2018-05-28 16:52:03 +00:00
|
|
|
func (p *Provider) lookupEc2Instances(ctx context.Context, client *awsClient, clusterName *string, ecsDatas map[string]*ecs.Task) (map[string]*ec2.Instance, error) {
|
|
|
|
|
|
|
|
instanceIds := make(map[string]string)
|
|
|
|
ec2Instances := make(map[string]*ec2.Instance)
|
2017-01-05 14:24:17 +00:00
|
|
|
|
2018-05-28 16:52:03 +00:00
|
|
|
var containerInstancesArns []*string
|
|
|
|
var instanceArns []*string
|
|
|
|
|
|
|
|
for _, task := range ecsDatas {
|
|
|
|
if task.ContainerInstanceArn != nil {
|
|
|
|
containerInstancesArns = append(containerInstancesArns, task.ContainerInstanceArn)
|
|
|
|
}
|
2017-01-05 14:24:17 +00:00
|
|
|
}
|
|
|
|
|
2018-07-17 10:26:03 +00:00
|
|
|
for _, arns := range p.chunkIDs(containerInstancesArns) {
|
|
|
|
resp, err := client.ecs.DescribeContainerInstancesWithContext(ctx, &ecs.DescribeContainerInstancesInput{
|
|
|
|
ContainerInstances: arns,
|
|
|
|
Cluster: clusterName,
|
|
|
|
})
|
2017-02-08 23:18:38 +00:00
|
|
|
|
2018-07-17 10:26:03 +00:00
|
|
|
if err != nil {
|
|
|
|
log.Errorf("Unable to describe container instances: %v", err)
|
|
|
|
return nil, err
|
|
|
|
}
|
2017-01-05 14:24:17 +00:00
|
|
|
|
2018-07-17 10:26:03 +00:00
|
|
|
for _, container := range resp.ContainerInstances {
|
|
|
|
instanceIds[aws.StringValue(container.Ec2InstanceId)] = aws.StringValue(container.ContainerInstanceArn)
|
|
|
|
instanceArns = append(instanceArns, container.Ec2InstanceId)
|
|
|
|
}
|
2018-05-28 16:52:03 +00:00
|
|
|
}
|
2017-01-05 14:24:17 +00:00
|
|
|
|
2018-05-28 16:52:03 +00:00
|
|
|
if len(instanceArns) > 0 {
|
2018-07-17 10:26:03 +00:00
|
|
|
for _, ids := range p.chunkIDs(instanceArns) {
|
|
|
|
input := &ec2.DescribeInstancesInput{
|
|
|
|
InstanceIds: ids,
|
|
|
|
}
|
2017-01-05 14:24:17 +00:00
|
|
|
|
2018-07-17 10:26:03 +00:00
|
|
|
err := client.ec2.DescribeInstancesPagesWithContext(ctx, input, func(page *ec2.DescribeInstancesOutput, lastPage bool) bool {
|
|
|
|
if len(page.Reservations) > 0 {
|
|
|
|
for _, r := range page.Reservations {
|
|
|
|
for _, i := range r.Instances {
|
|
|
|
if i.InstanceId != nil {
|
|
|
|
ec2Instances[instanceIds[aws.StringValue(i.InstanceId)]] = i
|
|
|
|
}
|
2018-05-28 16:52:03 +00:00
|
|
|
}
|
|
|
|
}
|
2017-02-08 23:18:38 +00:00
|
|
|
}
|
2018-07-17 10:26:03 +00:00
|
|
|
return !lastPage
|
|
|
|
})
|
2018-05-28 16:52:03 +00:00
|
|
|
|
2018-07-17 10:26:03 +00:00
|
|
|
if err != nil {
|
|
|
|
log.Errorf("Unable to describe instances [%s]: %v", err)
|
|
|
|
return nil, err
|
|
|
|
}
|
2017-02-08 23:18:38 +00:00
|
|
|
}
|
2017-01-05 14:24:17 +00:00
|
|
|
}
|
|
|
|
|
2018-05-28 16:52:03 +00:00
|
|
|
return ec2Instances, nil
|
|
|
|
}
|
2017-01-05 14:24:17 +00:00
|
|
|
|
2018-05-28 16:52:03 +00:00
|
|
|
func (p *Provider) lookupTaskDefinitions(ctx context.Context, client *awsClient, taskDefArns map[string]*ecs.Task) (map[string]*ecs.TaskDefinition, error) {
|
|
|
|
taskDef := make(map[string]*ecs.TaskDefinition)
|
|
|
|
for arn, task := range taskDefArns {
|
|
|
|
resp, err := client.ecs.DescribeTaskDefinitionWithContext(ctx, &ecs.DescribeTaskDefinitionInput{
|
|
|
|
TaskDefinition: task.TaskDefinitionArn,
|
2017-01-05 14:24:17 +00:00
|
|
|
})
|
|
|
|
|
2018-05-28 16:52:03 +00:00
|
|
|
if err != nil {
|
|
|
|
log.Errorf("Unable to describe task definition: %s", err)
|
2017-01-05 14:24:17 +00:00
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
|
2018-05-28 16:52:03 +00:00
|
|
|
taskDef[arn] = resp.TaskDefinition
|
2017-01-05 14:24:17 +00:00
|
|
|
}
|
2018-05-28 16:52:03 +00:00
|
|
|
return taskDef, nil
|
2017-01-05 14:24:17 +00:00
|
|
|
}
|
|
|
|
|
2018-04-11 10:26:03 +00:00
|
|
|
func (p *Provider) loadECSConfig(ctx context.Context, client *awsClient) (*types.Configuration, error) {
|
|
|
|
instances, err := p.listInstances(ctx, client)
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
2017-01-05 14:24:17 +00:00
|
|
|
}
|
|
|
|
|
2018-04-11 10:26:03 +00:00
|
|
|
return p.buildConfiguration(instances)
|
2017-01-05 14:24:17 +00:00
|
|
|
}
|
2018-07-17 10:26:03 +00:00
|
|
|
|
|
|
|
// chunkIDs ECS expects no more than 100 parameters be passed to a API call;
|
|
|
|
// thus, pack each string into an array capped at 100 elements
|
|
|
|
func (p *Provider) chunkIDs(ids []*string) [][]*string {
|
|
|
|
var chuncked [][]*string
|
|
|
|
for i := 0; i < len(ids); i += 100 {
|
2018-08-01 14:58:03 +00:00
|
|
|
var sliceEnd int
|
2018-07-17 10:26:03 +00:00
|
|
|
if i+100 < len(ids) {
|
|
|
|
sliceEnd = i + 100
|
|
|
|
} else {
|
|
|
|
sliceEnd = len(ids)
|
|
|
|
}
|
|
|
|
chuncked = append(chuncked, ids[i:sliceEnd])
|
|
|
|
}
|
|
|
|
return chuncked
|
|
|
|
}
|