2017-04-17 10:50:02 +00:00
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package ecs
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2017-01-05 14:24:17 +00:00
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import (
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"context"
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"fmt"
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"strconv"
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"strings"
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"text/template"
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"time"
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"github.com/BurntSushi/ty/fun"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/aws/credentials"
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"github.com/aws/aws-sdk-go/aws/defaults"
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"github.com/aws/aws-sdk-go/aws/ec2metadata"
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"github.com/aws/aws-sdk-go/aws/request"
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"github.com/aws/aws-sdk-go/aws/session"
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"github.com/aws/aws-sdk-go/service/ec2"
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"github.com/aws/aws-sdk-go/service/ecs"
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"github.com/cenk/backoff"
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"github.com/containous/traefik/job"
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"github.com/containous/traefik/log"
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2017-04-17 10:50:02 +00:00
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"github.com/containous/traefik/provider"
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2017-01-05 14:24:17 +00:00
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"github.com/containous/traefik/safe"
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"github.com/containous/traefik/types"
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)
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2017-04-17 10:50:02 +00:00
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var _ provider.Provider = (*Provider)(nil)
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2017-01-05 14:24:17 +00:00
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2017-04-17 10:50:02 +00:00
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// Provider holds configurations of the provider.
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type Provider struct {
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provider.BaseProvider `mapstructure:",squash" export:"true"`
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Domain string `description:"Default domain used"`
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ExposedByDefault bool `description:"Expose containers by default" export:"true"`
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RefreshSeconds int `description:"Polling interval (in seconds)" export:"true"`
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2017-04-17 10:50:02 +00:00
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// Provider lookup parameters
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Clusters Clusters `description:"ECS Clusters name"`
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Cluster string `description:"deprecated - ECS Cluster name"` // deprecated
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2017-10-02 08:32:02 +00:00
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AutoDiscoverClusters bool `description:"Auto discover cluster" export:"true"`
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Region string `description:"The AWS region to use for requests" export:"true"`
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AccessKeyID string `description:"The AWS credentials access key to use for making requests"`
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SecretAccessKey string `description:"The AWS credentials access key to use for making requests"`
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2017-01-05 14:24:17 +00:00
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}
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type ecsInstance struct {
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Name string
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ID string
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task *ecs.Task
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taskDefinition *ecs.TaskDefinition
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container *ecs.Container
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containerDefinition *ecs.ContainerDefinition
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machine *ec2.Instance
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}
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type awsClient struct {
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ecs *ecs.ECS
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ec2 *ec2.EC2
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}
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func (p *Provider) createClient() (*awsClient, error) {
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sess := session.New()
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ec2meta := ec2metadata.New(sess)
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if p.Region == "" {
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log.Infoln("No EC2 region provided, querying instance metadata endpoint...")
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identity, err := ec2meta.GetInstanceIdentityDocument()
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if err != nil {
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return nil, err
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}
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p.Region = identity.Region
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}
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cfg := &aws.Config{
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Region: &p.Region,
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Credentials: credentials.NewChainCredentials(
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[]credentials.Provider{
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&credentials.StaticProvider{
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Value: credentials.Value{
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AccessKeyID: p.AccessKeyID,
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SecretAccessKey: p.SecretAccessKey,
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},
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},
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&credentials.EnvProvider{},
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&credentials.SharedCredentialsProvider{},
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defaults.RemoteCredProvider(*(defaults.Config()), defaults.Handlers()),
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}),
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}
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2017-07-07 21:48:53 +00:00
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if p.Trace {
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cfg.WithLogger(aws.LoggerFunc(func(args ...interface{}) {
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log.Debug(args...)
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}))
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}
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2017-01-05 14:24:17 +00:00
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return &awsClient{
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ecs.New(sess, cfg),
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ec2.New(sess, cfg),
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}, nil
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}
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2017-04-17 10:50:02 +00:00
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// Provide allows the ecs provider to provide configurations to traefik
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// using the given configuration channel.
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func (p *Provider) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints types.Constraints) error {
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p.Constraints = append(p.Constraints, constraints...)
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handleCanceled := func(ctx context.Context, err error) error {
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if ctx.Err() == context.Canceled || err == context.Canceled {
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return nil
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}
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return err
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}
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pool.Go(func(stop chan bool) {
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ctx, cancel := context.WithCancel(context.Background())
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2017-07-19 12:11:45 +00:00
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safe.Go(func() {
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select {
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case <-stop:
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cancel()
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}
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2017-07-19 12:11:45 +00:00
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})
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operation := func() error {
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2017-10-10 09:10:02 +00:00
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awsClient, err := p.createClient()
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if err != nil {
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return err
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}
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2017-10-10 09:10:02 +00:00
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configuration, err := p.loadECSConfig(ctx, awsClient)
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if err != nil {
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return handleCanceled(ctx, err)
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}
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configurationChan <- types.ConfigMessage{
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ProviderName: "ecs",
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Configuration: configuration,
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}
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2017-04-17 10:50:02 +00:00
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if p.Watch {
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reload := time.NewTicker(time.Second * time.Duration(p.RefreshSeconds))
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defer reload.Stop()
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for {
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select {
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case <-reload.C:
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configuration, err := p.loadECSConfig(ctx, awsClient)
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2017-01-05 14:24:17 +00:00
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if err != nil {
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return handleCanceled(ctx, err)
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}
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configurationChan <- types.ConfigMessage{
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ProviderName: "ecs",
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Configuration: configuration,
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}
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case <-ctx.Done():
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return handleCanceled(ctx, ctx.Err())
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}
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}
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}
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return nil
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}
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notify := func(err error, time time.Duration) {
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log.Errorf("Provider connection error %+v, retrying in %s", err, time)
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}
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err := backoff.RetryNotify(safe.OperationWithRecover(operation), job.NewBackOff(backoff.NewExponentialBackOff()), notify)
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if err != nil {
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2017-04-17 10:50:02 +00:00
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log.Errorf("Cannot connect to Provider api %+v", err)
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}
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})
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return nil
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}
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func wrapAws(ctx context.Context, req *request.Request) error {
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req.HTTPRequest = req.HTTPRequest.WithContext(ctx)
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return req.Send()
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}
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2017-04-17 10:50:02 +00:00
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func (p *Provider) loadECSConfig(ctx context.Context, client *awsClient) (*types.Configuration, error) {
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var ecsFuncMap = template.FuncMap{
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2017-10-10 09:10:02 +00:00
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"filterFrontends": p.filterFrontends,
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"getFrontendRule": p.getFrontendRule,
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"getBasicAuth": p.getBasicAuth,
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"getLoadBalancerMethod": p.getLoadBalancerMethod,
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2017-10-16 15:38:03 +00:00
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"getLoadBalancerSticky": p.getLoadBalancerSticky,
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2017-10-10 09:10:02 +00:00
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"hasStickinessLabel": p.hasStickinessLabel,
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"getStickinessCookieName": p.getStickinessCookieName,
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}
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2017-04-17 10:50:02 +00:00
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instances, err := p.listInstances(ctx, client)
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if err != nil {
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return nil, err
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}
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2017-04-17 10:50:02 +00:00
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instances = fun.Filter(p.filterInstance, instances).([]ecsInstance)
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2017-01-05 14:24:17 +00:00
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2017-08-25 09:42:03 +00:00
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services := make(map[string][]ecsInstance)
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for _, instance := range instances {
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if serviceInstances, ok := services[instance.Name]; ok {
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services[instance.Name] = append(serviceInstances, instance)
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} else {
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services[instance.Name] = []ecsInstance{instance}
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}
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}
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2017-04-17 10:50:02 +00:00
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return p.GetConfiguration("templates/ecs.tmpl", ecsFuncMap, struct {
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2017-08-25 09:42:03 +00:00
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Services map[string][]ecsInstance
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2017-01-05 14:24:17 +00:00
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}{
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2017-08-25 09:42:03 +00:00
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services,
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2017-01-05 14:24:17 +00:00
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})
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}
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2017-04-17 10:50:02 +00:00
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// Find all running Provider tasks in a cluster, also collect the task definitions (for docker labels)
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2017-01-05 14:24:17 +00:00
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// and the EC2 instance data
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2017-04-17 10:50:02 +00:00
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func (p *Provider) listInstances(ctx context.Context, client *awsClient) ([]ecsInstance, error) {
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2017-08-22 09:46:03 +00:00
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var instances []ecsInstance
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var clustersArn []*string
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var clusters Clusters
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2017-01-05 14:24:17 +00:00
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2017-08-22 09:46:03 +00:00
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if p.AutoDiscoverClusters {
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input := &ecs.ListClustersInput{}
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for {
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result, err := client.ecs.ListClusters(input)
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if err != nil {
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return nil, err
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}
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if result != nil {
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clustersArn = append(clustersArn, result.ClusterArns...)
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input.NextToken = result.NextToken
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if result.NextToken == nil {
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break
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}
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} else {
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break
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}
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2017-01-05 14:24:17 +00:00
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}
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2017-08-22 09:46:03 +00:00
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for _, carns := range clustersArn {
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clusters = append(clusters, *carns)
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}
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} else if p.Cluster != "" {
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// TODO: Deprecated configuration - Need to be removed in the future
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clusters = Clusters{p.Cluster}
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log.Warn("Deprecated configuration found: ecs.cluster " +
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"Please use ecs.clusters instead.")
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} else {
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clusters = p.Clusters
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2017-01-05 14:24:17 +00:00
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}
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2017-08-22 09:46:03 +00:00
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log.Debugf("ECS Clusters: %s", clusters)
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for _, c := range clusters {
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2017-01-05 14:24:17 +00:00
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2017-08-22 09:46:03 +00:00
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req, _ := client.ecs.ListTasksRequest(&ecs.ListTasksInput{
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Cluster: &c,
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DesiredStatus: aws.String(ecs.DesiredStatusRunning),
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})
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2017-03-01 18:06:34 +00:00
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2017-09-29 14:56:03 +00:00
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var taskArns []*string
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2017-08-22 09:46:03 +00:00
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for ; req != nil; req = req.NextPage() {
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if err := wrapAws(ctx, req); err != nil {
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return nil, err
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}
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2017-03-01 18:06:34 +00:00
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2017-08-22 09:46:03 +00:00
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taskArns = append(taskArns, req.Data.(*ecs.ListTasksOutput).TaskArns...)
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}
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2017-03-01 18:06:34 +00:00
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2017-09-29 14:56:03 +00:00
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// Skip to the next cluster if there are no tasks found on
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// this cluster.
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2017-08-22 09:46:03 +00:00
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if len(taskArns) == 0 {
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2017-09-29 14:56:03 +00:00
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continue
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2017-03-01 18:06:34 +00:00
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}
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2017-01-05 14:24:17 +00:00
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2017-08-22 09:46:03 +00:00
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chunkedTaskArns := p.chunkedTaskArns(taskArns)
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var tasks []*ecs.Task
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2017-01-05 14:24:17 +00:00
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2017-08-22 09:46:03 +00:00
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for _, arns := range chunkedTaskArns {
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req, taskResp := client.ecs.DescribeTasksRequest(&ecs.DescribeTasksInput{
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Tasks: arns,
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Cluster: &c,
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})
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2017-01-05 14:24:17 +00:00
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2017-08-22 09:46:03 +00:00
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if err := wrapAws(ctx, req); err != nil {
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return nil, err
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}
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tasks = append(tasks, taskResp.Tasks...)
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2017-01-05 14:24:17 +00:00
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}
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2017-08-22 09:46:03 +00:00
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containerInstanceArns := make([]*string, 0)
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byContainerInstance := make(map[string]int)
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taskDefinitionArns := make([]*string, 0)
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byTaskDefinition := make(map[string]int)
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for _, task := range tasks {
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if _, found := byContainerInstance[*task.ContainerInstanceArn]; !found {
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byContainerInstance[*task.ContainerInstanceArn] = len(containerInstanceArns)
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containerInstanceArns = append(containerInstanceArns, task.ContainerInstanceArn)
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}
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if _, found := byTaskDefinition[*task.TaskDefinitionArn]; !found {
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byTaskDefinition[*task.TaskDefinitionArn] = len(taskDefinitionArns)
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taskDefinitionArns = append(taskDefinitionArns, task.TaskDefinitionArn)
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}
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2017-01-05 14:24:17 +00:00
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}
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2017-08-22 09:46:03 +00:00
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machines, err := p.lookupEc2Instances(ctx, client, &c, containerInstanceArns)
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if err != nil {
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return nil, err
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}
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2017-01-05 14:24:17 +00:00
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2017-08-22 09:46:03 +00:00
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taskDefinitions, err := p.lookupTaskDefinitions(ctx, client, taskDefinitionArns)
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if err != nil {
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|
|
|
return nil, err
|
|
|
|
}
|
2017-01-05 14:24:17 +00:00
|
|
|
|
2017-08-22 09:46:03 +00:00
|
|
|
for _, task := range tasks {
|
2017-01-05 14:24:17 +00:00
|
|
|
|
2017-08-22 09:46:03 +00:00
|
|
|
machineIdx := byContainerInstance[*task.ContainerInstanceArn]
|
|
|
|
taskDefIdx := byTaskDefinition[*task.TaskDefinitionArn]
|
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
|
|
|
taskDefinition := taskDefinitions[taskDefIdx]
|
|
|
|
var containerDefinition *ecs.ContainerDefinition
|
|
|
|
for _, def := range taskDefinition.ContainerDefinitions {
|
|
|
|
if *container.Name == *def.Name {
|
|
|
|
containerDefinition = def
|
|
|
|
break
|
|
|
|
}
|
2017-01-05 14:24:17 +00:00
|
|
|
}
|
|
|
|
|
2017-08-22 09:46:03 +00:00
|
|
|
instances = append(instances, ecsInstance{
|
|
|
|
fmt.Sprintf("%s-%s", strings.Replace(*task.Group, ":", "-", 1), *container.Name),
|
|
|
|
(*task.TaskArn)[len(*task.TaskArn)-12:],
|
|
|
|
task,
|
|
|
|
taskDefinition,
|
|
|
|
container,
|
|
|
|
containerDefinition,
|
|
|
|
machines[machineIdx],
|
|
|
|
})
|
|
|
|
}
|
2017-01-05 14:24:17 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return instances, nil
|
|
|
|
}
|
|
|
|
|
2017-08-22 09:46:03 +00:00
|
|
|
func (p *Provider) lookupEc2Instances(ctx context.Context, client *awsClient, clusterName *string, containerArns []*string) ([]*ec2.Instance, error) {
|
2017-01-05 14:24:17 +00:00
|
|
|
|
|
|
|
order := make(map[string]int)
|
2017-02-08 23:18:38 +00:00
|
|
|
instanceIds := make([]*string, len(containerArns))
|
|
|
|
instances := make([]*ec2.Instance, len(containerArns))
|
2017-01-05 14:24:17 +00:00
|
|
|
for i, arn := range containerArns {
|
|
|
|
order[*arn] = i
|
|
|
|
}
|
|
|
|
|
2017-02-08 23:18:38 +00:00
|
|
|
req, _ := client.ecs.DescribeContainerInstancesRequest(&ecs.DescribeContainerInstancesInput{
|
|
|
|
ContainerInstances: containerArns,
|
2017-08-22 09:46:03 +00:00
|
|
|
Cluster: clusterName,
|
2017-02-08 23:18:38 +00:00
|
|
|
})
|
|
|
|
|
|
|
|
for ; req != nil; req = req.NextPage() {
|
|
|
|
if err := wrapAws(ctx, req); err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
|
|
|
|
containerResp := req.Data.(*ecs.DescribeContainerInstancesOutput)
|
|
|
|
for i, container := range containerResp.ContainerInstances {
|
|
|
|
order[*container.Ec2InstanceId] = order[*container.ContainerInstanceArn]
|
|
|
|
instanceIds[i] = container.Ec2InstanceId
|
|
|
|
}
|
2017-01-05 14:24:17 +00:00
|
|
|
}
|
|
|
|
|
2017-02-08 23:18:38 +00:00
|
|
|
req, _ = client.ec2.DescribeInstancesRequest(&ec2.DescribeInstancesInput{
|
2017-01-05 14:24:17 +00:00
|
|
|
InstanceIds: instanceIds,
|
|
|
|
})
|
|
|
|
|
2017-02-08 23:18:38 +00:00
|
|
|
for ; req != nil; req = req.NextPage() {
|
|
|
|
if err := wrapAws(ctx, req); err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
2017-01-05 14:24:17 +00:00
|
|
|
|
2017-02-08 23:18:38 +00:00
|
|
|
instancesResp := req.Data.(*ec2.DescribeInstancesOutput)
|
|
|
|
for _, r := range instancesResp.Reservations {
|
|
|
|
for _, i := range r.Instances {
|
|
|
|
if i.InstanceId != nil {
|
|
|
|
instances[order[*i.InstanceId]] = i
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2017-01-05 14:24:17 +00:00
|
|
|
}
|
|
|
|
return instances, nil
|
|
|
|
}
|
|
|
|
|
2017-04-17 10:50:02 +00:00
|
|
|
func (p *Provider) lookupTaskDefinitions(ctx context.Context, client *awsClient, taskDefArns []*string) ([]*ecs.TaskDefinition, error) {
|
2017-01-05 14:24:17 +00:00
|
|
|
taskDefinitions := make([]*ecs.TaskDefinition, len(taskDefArns))
|
|
|
|
for i, arn := range taskDefArns {
|
|
|
|
|
|
|
|
req, resp := client.ecs.DescribeTaskDefinitionRequest(&ecs.DescribeTaskDefinitionInput{
|
|
|
|
TaskDefinition: arn,
|
|
|
|
})
|
|
|
|
|
|
|
|
if err := wrapAws(ctx, req); err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
|
|
|
|
taskDefinitions[i] = resp.TaskDefinition
|
|
|
|
}
|
|
|
|
return taskDefinitions, nil
|
|
|
|
}
|
|
|
|
|
2017-09-06 10:10:05 +00:00
|
|
|
func (p *Provider) label(i ecsInstance, k string) string {
|
2017-01-05 14:24:17 +00:00
|
|
|
if v, found := i.containerDefinition.DockerLabels[k]; found {
|
|
|
|
return *v
|
|
|
|
}
|
|
|
|
return ""
|
|
|
|
}
|
|
|
|
|
2017-04-17 10:50:02 +00:00
|
|
|
func (p *Provider) filterInstance(i ecsInstance) bool {
|
2017-01-05 14:24:17 +00:00
|
|
|
if len(i.container.NetworkBindings) == 0 {
|
|
|
|
log.Debugf("Filtering ecs instance without port %s (%s)", i.Name, i.ID)
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
|
2017-02-08 23:18:38 +00:00
|
|
|
if i.machine == nil ||
|
|
|
|
i.machine.State == nil ||
|
|
|
|
i.machine.State.Name == nil {
|
|
|
|
log.Debugf("Filtering ecs instance in an missing ec2 information %s (%s)", i.Name, i.ID)
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
|
|
|
|
if *i.machine.State.Name != ec2.InstanceStateNameRunning {
|
|
|
|
log.Debugf("Filtering ecs instance in an incorrect state %s (%s) (state = %s)", i.Name, i.ID, *i.machine.State.Name)
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
|
|
|
|
if i.machine.PrivateIpAddress == nil {
|
|
|
|
log.Debugf("Filtering ecs instance without an ip address %s (%s)", i.Name, i.ID)
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
|
2017-09-06 10:10:05 +00:00
|
|
|
label := p.label(i, types.LabelEnable)
|
2017-04-17 10:50:02 +00:00
|
|
|
enabled := p.ExposedByDefault && label != "false" || label == "true"
|
2017-01-05 14:24:17 +00:00
|
|
|
if !enabled {
|
|
|
|
log.Debugf("Filtering disabled ecs instance %s (%s) (traefik.enabled = '%s')", i.Name, i.ID, label)
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
|
|
|
|
return true
|
|
|
|
}
|
|
|
|
|
2017-04-17 10:50:02 +00:00
|
|
|
func (p *Provider) filterFrontends(instances []ecsInstance) []ecsInstance {
|
2017-01-05 14:24:17 +00:00
|
|
|
byName := make(map[string]bool)
|
|
|
|
|
|
|
|
return fun.Filter(func(i ecsInstance) bool {
|
|
|
|
if _, found := byName[i.Name]; !found {
|
|
|
|
byName[i.Name] = true
|
|
|
|
return true
|
|
|
|
}
|
|
|
|
|
|
|
|
return false
|
|
|
|
}, instances).([]ecsInstance)
|
|
|
|
}
|
|
|
|
|
2017-04-17 10:50:02 +00:00
|
|
|
func (p *Provider) getFrontendRule(i ecsInstance) string {
|
2017-09-06 10:10:05 +00:00
|
|
|
if label := p.label(i, types.LabelFrontendRule); label != "" {
|
2017-01-05 14:24:17 +00:00
|
|
|
return label
|
|
|
|
}
|
2017-04-17 10:50:02 +00:00
|
|
|
return "Host:" + strings.ToLower(strings.Replace(i.Name, "_", "-", -1)) + "." + p.Domain
|
2017-01-05 14:24:17 +00:00
|
|
|
}
|
|
|
|
|
2017-09-07 15:34:03 +00:00
|
|
|
func (p *Provider) getBasicAuth(i ecsInstance) []string {
|
2017-09-08 21:35:49 +00:00
|
|
|
label := p.label(i, types.LabelFrontendAuthBasic)
|
2017-09-07 15:34:03 +00:00
|
|
|
if label != "" {
|
|
|
|
return strings.Split(label, ",")
|
|
|
|
}
|
|
|
|
return []string{}
|
|
|
|
}
|
|
|
|
|
2017-10-10 15:17:44 +00:00
|
|
|
func (p *Provider) getFirstInstanceLabel(instances []ecsInstance, labelName string) string {
|
2017-08-25 09:42:03 +00:00
|
|
|
if len(instances) > 0 {
|
2017-10-10 15:17:44 +00:00
|
|
|
return p.label(instances[0], labelName)
|
2017-10-10 09:10:02 +00:00
|
|
|
}
|
|
|
|
return ""
|
|
|
|
}
|
|
|
|
|
2017-10-16 15:38:03 +00:00
|
|
|
func (p *Provider) getLoadBalancerSticky(instances []ecsInstance) string {
|
|
|
|
if len(instances) > 0 {
|
2017-10-16 21:10:44 +00:00
|
|
|
label := p.getFirstInstanceLabel(instances, types.LabelBackendLoadbalancerSticky)
|
2017-10-16 15:38:03 +00:00
|
|
|
if label != "" {
|
|
|
|
log.Warnf("Deprecated configuration found: %s. Please use %s.", types.LabelBackendLoadbalancerSticky, types.LabelBackendLoadbalancerStickiness)
|
|
|
|
return label
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return "false"
|
|
|
|
}
|
|
|
|
|
2017-10-10 09:10:02 +00:00
|
|
|
func (p *Provider) hasStickinessLabel(instances []ecsInstance) bool {
|
2017-10-10 15:17:44 +00:00
|
|
|
stickinessLabel := p.getFirstInstanceLabel(instances, types.LabelBackendLoadbalancerStickiness)
|
2017-10-16 15:38:03 +00:00
|
|
|
return len(stickinessLabel) > 0 && strings.EqualFold(strings.TrimSpace(stickinessLabel), "true")
|
2017-10-10 09:10:02 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
func (p *Provider) getStickinessCookieName(instances []ecsInstance) string {
|
2017-10-10 15:17:44 +00:00
|
|
|
return p.getFirstInstanceLabel(instances, types.LabelBackendLoadbalancerStickinessCookieName)
|
2017-08-25 09:42:03 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
func (p *Provider) getLoadBalancerMethod(instances []ecsInstance) string {
|
|
|
|
if len(instances) > 0 {
|
2017-09-06 10:10:05 +00:00
|
|
|
label := p.label(instances[0], types.LabelBackendLoadbalancerMethod)
|
2017-08-25 09:42:03 +00:00
|
|
|
if label != "" {
|
|
|
|
return label
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return "wrr"
|
|
|
|
}
|
|
|
|
|
2017-04-17 10:50:02 +00:00
|
|
|
// Provider expects no more than 100 parameters be passed to a DescribeTask call; thus, pack
|
2017-03-01 18:06:34 +00:00
|
|
|
// each string into an array capped at 100 elements
|
2017-04-17 10:50:02 +00:00
|
|
|
func (p *Provider) chunkedTaskArns(tasks []*string) [][]*string {
|
2017-03-01 18:06:34 +00:00
|
|
|
var chunkedTasks [][]*string
|
|
|
|
for i := 0; i < len(tasks); i += 100 {
|
|
|
|
sliceEnd := -1
|
|
|
|
if i+100 < len(tasks) {
|
|
|
|
sliceEnd = i + 100
|
|
|
|
} else {
|
|
|
|
sliceEnd = len(tasks)
|
|
|
|
}
|
|
|
|
chunkedTasks = append(chunkedTasks, tasks[i:sliceEnd])
|
|
|
|
}
|
|
|
|
return chunkedTasks
|
|
|
|
}
|
|
|
|
|
2017-09-06 10:10:05 +00:00
|
|
|
func (p *Provider) getProtocol(i ecsInstance) string {
|
|
|
|
if label := p.label(i, types.LabelProtocol); label != "" {
|
2017-01-05 14:24:17 +00:00
|
|
|
return label
|
|
|
|
}
|
|
|
|
return "http"
|
|
|
|
}
|
|
|
|
|
2017-09-06 10:10:05 +00:00
|
|
|
func (p *Provider) getHost(i ecsInstance) string {
|
2017-01-05 14:24:17 +00:00
|
|
|
return *i.machine.PrivateIpAddress
|
|
|
|
}
|
|
|
|
|
2017-09-06 10:10:05 +00:00
|
|
|
func (p *Provider) getPort(i ecsInstance) string {
|
2017-01-05 14:24:17 +00:00
|
|
|
return strconv.FormatInt(*i.container.NetworkBindings[0].HostPort, 10)
|
|
|
|
}
|
|
|
|
|
2017-09-06 10:10:05 +00:00
|
|
|
func (p *Provider) getWeight(i ecsInstance) string {
|
|
|
|
if label := p.label(i, types.LabelWeight); label != "" {
|
2017-01-05 14:24:17 +00:00
|
|
|
return label
|
|
|
|
}
|
|
|
|
return "0"
|
|
|
|
}
|
|
|
|
|
2017-09-06 10:10:05 +00:00
|
|
|
func (p *Provider) getPassHostHeader(i ecsInstance) string {
|
|
|
|
if label := p.label(i, types.LabelFrontendPassHostHeader); label != "" {
|
2017-01-05 14:24:17 +00:00
|
|
|
return label
|
|
|
|
}
|
|
|
|
return "true"
|
|
|
|
}
|
|
|
|
|
2017-09-06 10:10:05 +00:00
|
|
|
func (p *Provider) getPriority(i ecsInstance) string {
|
|
|
|
if label := p.label(i, types.LabelFrontendPriority); label != "" {
|
2017-01-05 14:24:17 +00:00
|
|
|
return label
|
|
|
|
}
|
|
|
|
return "0"
|
|
|
|
}
|
|
|
|
|
2017-09-06 10:10:05 +00:00
|
|
|
func (p *Provider) getEntryPoints(i ecsInstance) []string {
|
|
|
|
if label := p.label(i, types.LabelFrontendEntryPoints); label != "" {
|
2017-01-05 14:24:17 +00:00
|
|
|
return strings.Split(label, ",")
|
|
|
|
}
|
|
|
|
return []string{}
|
|
|
|
}
|