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Add option to keep only healthy ECS tasks

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Michael Hampton 2022-09-20 06:42:08 -07:00 committed by GitHub
parent d6b69e1347
commit df99a9fb57
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6 changed files with 63 additions and 26 deletions
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24
docs/content/providers/ecs.md
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@ -169,6 +169,30 @@ providers:
# ...
```
### `healthyTasksOnly`
_Optional, Default=false_
Determines whether Traefik discovers only healthy tasks (`HEALTHY` healthStatus).
```yaml tab="File (YAML)"
providers:
ecs:
healthyTasksOnly: true
# ...
```
```toml tab="File (TOML)"
[providers.ecs]
healthyTasksOnly = true
# ...
```
```bash tab="CLI"
--providers.ecs.healthyTasksOnly=true
# ...
```
### `defaultRule`
_Optional, Default=```Host(`{{ normalize .Name }}`)```_

19
docs/content/reference/static-configuration/cli-ref.md
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@ -559,13 +559,13 @@ Watch Docker Swarm events. (Default: ```true```)
Enable AWS ECS backend with default settings. (Default: ```false```)
`--providers.ecs.accesskeyid`:
The AWS credentials access key to use for making requests
AWS credentials access key ID to use for making requests.
`--providers.ecs.autodiscoverclusters`:
Auto discover cluster (Default: ```false```)
Auto discover cluster. (Default: ```false```)
`--providers.ecs.clusters`:
ECS Clusters name (Default: ```default```)
ECS Cluster names. (Default: ```default```)
`--providers.ecs.constraints`:
Constraints is an expression that Traefik matches against the container's labels to determine whether to create any route for that container.
@ -574,19 +574,22 @@ Constraints is an expression that Traefik matches against the container's labels
Default rule. (Default: ```Host(`{{ normalize .Name }}`)```)
`--providers.ecs.ecsanywhere`:
Enable ECS Anywhere support (Default: ```false```)
Enable ECS Anywhere support. (Default: ```false```)
`--providers.ecs.exposedbydefault`:
Expose services by default (Default: ```true```)
Expose services by default. (Default: ```true```)
`--providers.ecs.healthytasksonly`:
Determines whether to discover only healthy tasks. (Default: ```false```)
`--providers.ecs.refreshseconds`:
Polling interval (in seconds) (Default: ```15```)
Polling interval (in seconds). (Default: ```15```)
`--providers.ecs.region`:
The AWS region to use for requests
AWS region to use for requests.
`--providers.ecs.secretaccesskey`:
The AWS credentials access key to use for making requests
AWS credentials access key to use for making requests.
`--providers.etcd`:
Enable Etcd backend with default settings. (Default: ```false```)

19
docs/content/reference/static-configuration/env-ref.md
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@ -559,13 +559,13 @@ Watch Docker Swarm events. (Default: ```true```)
Enable AWS ECS backend with default settings. (Default: ```false```)
`TRAEFIK_PROVIDERS_ECS_ACCESSKEYID`:
The AWS credentials access key to use for making requests
AWS credentials access key ID to use for making requests.
`TRAEFIK_PROVIDERS_ECS_AUTODISCOVERCLUSTERS`:
Auto discover cluster (Default: ```false```)
Auto discover cluster. (Default: ```false```)
`TRAEFIK_PROVIDERS_ECS_CLUSTERS`:
ECS Clusters name (Default: ```default```)
ECS Cluster names. (Default: ```default```)
`TRAEFIK_PROVIDERS_ECS_CONSTRAINTS`:
Constraints is an expression that Traefik matches against the container's labels to determine whether to create any route for that container.
@ -574,19 +574,22 @@ Constraints is an expression that Traefik matches against the container's labels
Default rule. (Default: ```Host(`{{ normalize .Name }}`)```)
`TRAEFIK_PROVIDERS_ECS_ECSANYWHERE`:
Enable ECS Anywhere support (Default: ```false```)
Enable ECS Anywhere support. (Default: ```false```)
`TRAEFIK_PROVIDERS_ECS_EXPOSEDBYDEFAULT`:
Expose services by default (Default: ```true```)
Expose services by default. (Default: ```true```)
`TRAEFIK_PROVIDERS_ECS_HEALTHYTASKSONLY`:
Determines whether to discover only healthy tasks. (Default: ```false```)
`TRAEFIK_PROVIDERS_ECS_REFRESHSECONDS`:
Polling interval (in seconds) (Default: ```15```)
Polling interval (in seconds). (Default: ```15```)
`TRAEFIK_PROVIDERS_ECS_REGION`:
The AWS region to use for requests
AWS region to use for requests.
`TRAEFIK_PROVIDERS_ECS_SECRETACCESSKEY`:
The AWS credentials access key to use for making requests
AWS credentials access key to use for making requests.
`TRAEFIK_PROVIDERS_ETCD`:
Enable Etcd backend with default settings. (Default: ```false```)

1
docs/content/reference/static-configuration/file.toml
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@ -206,6 +206,7 @@
accessKeyID = "foobar"
secretAccessKey = "foobar"
ecsAnywhere = true
healthyTasksOnly = true
[providers.consul]
rootKey = "foobar"
endpoints = ["foobar", "foobar"]

1
docs/content/reference/static-configuration/file.yaml
View file

@ -224,6 +224,7 @@ providers:
accessKeyID: foobar
secretAccessKey: foobar
ecsAnywhere: true
healthyTasksOnly: true
consul:
rootKey: foobar
endpoints:

25
pkg/provider/ecs/ecs.go
View file

@ -27,17 +27,18 @@ import (
// Provider holds configurations of the provider.
type Provider struct {
Constraints string `description:"Constraints is an expression that Traefik matches against the container's labels to determine whether to create any route for that container." json:"constraints,omitempty" toml:"constraints,omitempty" yaml:"constraints,omitempty" export:"true"`
ExposedByDefault bool `description:"Expose services by default" json:"exposedByDefault,omitempty" toml:"exposedByDefault,omitempty" yaml:"exposedByDefault,omitempty" export:"true"`
RefreshSeconds int `description:"Polling interval (in seconds)" json:"refreshSeconds,omitempty" toml:"refreshSeconds,omitempty" yaml:"refreshSeconds,omitempty" export:"true"`
ExposedByDefault bool `description:"Expose services by default." json:"exposedByDefault,omitempty" toml:"exposedByDefault,omitempty" yaml:"exposedByDefault,omitempty" export:"true"`
RefreshSeconds int `description:"Polling interval (in seconds)." json:"refreshSeconds,omitempty" toml:"refreshSeconds,omitempty" yaml:"refreshSeconds,omitempty" export:"true"`
DefaultRule string `description:"Default rule." json:"defaultRule,omitempty" toml:"defaultRule,omitempty" yaml:"defaultRule,omitempty"`
// Provider lookup parameters.
Clusters []string `description:"ECS Clusters name" json:"clusters,omitempty" toml:"clusters,omitempty" yaml:"clusters,omitempty" export:"true"`
AutoDiscoverClusters bool `description:"Auto discover cluster" json:"autoDiscoverClusters,omitempty" toml:"autoDiscoverClusters,omitempty" yaml:"autoDiscoverClusters,omitempty" export:"true"`
ECSAnywhere bool `description:"Enable ECS Anywhere support" json:"ecsAnywhere,omitempty" toml:"ecsAnywhere,omitempty" yaml:"ecsAnywhere,omitempty" export:"true"`
Region string `description:"The AWS region to use for requests" json:"region,omitempty" toml:"region,omitempty" yaml:"region,omitempty" export:"true"`
AccessKeyID string `description:"The AWS credentials access key to use for making requests" json:"accessKeyID,omitempty" toml:"accessKeyID,omitempty" yaml:"accessKeyID,omitempty" loggable:"false"`
SecretAccessKey string `description:"The AWS credentials access key to use for making requests" json:"secretAccessKey,omitempty" toml:"secretAccessKey,omitempty" yaml:"secretAccessKey,omitempty" loggable:"false"`
Clusters []string `description:"ECS Cluster names." json:"clusters,omitempty" toml:"clusters,omitempty" yaml:"clusters,omitempty" export:"true"`
AutoDiscoverClusters bool `description:"Auto discover cluster." json:"autoDiscoverClusters,omitempty" toml:"autoDiscoverClusters,omitempty" yaml:"autoDiscoverClusters,omitempty" export:"true"`
HealthyTasksOnly bool `description:"Determines whether to discover only healthy tasks." json:"healthyTasksOnly,omitempty" toml:"healthyTasksOnly,omitempty" yaml:"healthyTasksOnly,omitempty" export:"true"`
ECSAnywhere bool `description:"Enable ECS Anywhere support." json:"ecsAnywhere,omitempty" toml:"ecsAnywhere,omitempty" yaml:"ecsAnywhere,omitempty" export:"true"`
Region string `description:"AWS region to use for requests." json:"region,omitempty" toml:"region,omitempty" yaml:"region,omitempty" export:"true"`
AccessKeyID string `description:"AWS credentials access key ID to use for making requests." json:"accessKeyID,omitempty" toml:"accessKeyID,omitempty" yaml:"accessKeyID,omitempty" loggable:"false"`
SecretAccessKey string `description:"AWS credentials access key to use for making requests." json:"secretAccessKey,omitempty" toml:"secretAccessKey,omitempty" yaml:"secretAccessKey,omitempty" loggable:"false"`
defaultRuleTpl *template.Template
}
@ -81,6 +82,7 @@ var (
func (p *Provider) SetDefaults() {
p.Clusters = []string{"default"}
p.AutoDiscoverClusters = false
p.HealthyTasksOnly = false
p.ExposedByDefault = true
p.RefreshSeconds = 15
p.DefaultRule = DefaultTemplateRule
@ -258,9 +260,12 @@ func (p *Provider) listInstances(ctx context.Context, client *awsClient) ([]ecsI
logger.Errorf("Unable to describe tasks for %v", page.TaskArns)
} else {
for _, t := range resp.Tasks {
if aws.StringValue(t.LastStatus) == ecs.DesiredStatusRunning {
tasks[aws.StringValue(t.TaskArn)] = t
if p.HealthyTasksOnly && aws.StringValue(t.HealthStatus) != ecs.HealthStatusHealthy {
logger.Debugf("Skipping unhealthy task %s", aws.StringValue(t.TaskArn))
continue
}
tasks[aws.StringValue(t.TaskArn)] = t
}
}
}