»Configuration Reference
This pages details the configuration options for the JSON config format used
by the consul-ecs binary. This configuration is passed to the consul-ecs
binary as a string using the CONSUL_ECS_CONFIG_JSON environment variable.
This configuration format follows a JSON schema that can be used for validation.
»Terraform Mesh Task Module Configuration
The mesh-task Terraform module provides input variables for commonly used fields.
The following table shows which Terraform input variables correspond to each field
of the Consul ECS configuration. Refer to the
Terraform registry documentation
for a complete reference of supported input variables for the mesh-task module.
| Terraform Input Variable | Consul ECS Config Field |
|---|---|
upstreams | proxy.upstreams |
checks | service.checks |
consul_service_name | service.name |
consul_service_tags | service.tags |
consul_service_meta | service.meta |
consul_namespace | service.namespace |
consul_partition | service.partition |
Each of these Terraform input variables follow the Consul ECS config schema.
The remaining fields of the Consul ECS configuration not listed in this table can be passed
using the consul_ecs_config input variable.
»Top-level fields
These are the top-level fields for the Consul ECS configuration format.
| Field | Type | Required | Description |
|---|---|---|---|
bootstrapDir | string | required | The directory at which to mount the shared volume where Envoy bootstrap configuration is written by consul-ecs mesh-init. |
healthSyncContainers | array | optional | The names of containers that will have health check status synced from ECS into Consul. Cannot be specified with service.checks. |
proxy | object | optional | Configuration for the sidecar proxy registration with Consul. |
service | object | required | Configuration for Consul service registration. |
»service
Configuration for Consul service registration.
| Field | Type | Required | Description |
|---|---|---|---|
checks | array | optional | The list of Consul checks for the service. Cannot be specified with healthSyncContainers. |
enableTagOverride | boolean | optional | Determines if the anti-entropy feature for the service is enabled |
meta | object | optional | Key-value pairs of metadata to include for the Consul service. |
name | string | optional | The name the service will be registered as in Consul. Defaults to the Task family name if empty or null. |
namespace | string | optional | The Consul namespace where the service will be registered [Consul Enterprise]. |
partition | string | optional | The Consul admin partition where the service will be registered [Consul Enterprise]. |
port | integer | required | Port the application listens on, if any. |
tags | array | optional | List of string values that can be used to add service-level labels. |
weights | object | optional | Configures the weight of the service in terms of its DNS service (SRV) response. |
»service.checks
Defines the Consul checks for the service. Each check may contain these fields.
| Field | Type | Required | Description |
|---|---|---|---|
aliasNode | string | optional | Specifies the ID of the node for an alias check. |
aliasService | string | optional | Specifies the ID of a service for an alias check. |
args | array | optional | Command arguments to run to update the status of the check. |
body | string | optional | Specifies a body that should be sent with HTTP checks. |
checkId | string | optional | The unique ID for this check on the node. Defaults to the check name. |
failuresBeforeCritical | integer | optional | Specifies the number of consecutive unsuccessful results required before check status transitions to critical. |
grpc | string | optional | Specifies a gRPC check. Must be an endpoint that supports the standard gRPC health checking protocol. The endpoint will be probed every interval. |
grpcUseTls | boolean | optional | Specifies whether to use TLS for this gRPC health check. |
h2ping | string | optional | Specifies this is an h2ping check. Must be an address, which will be pinged every interval. |
h2pingUseTls | boolean | optional | Specifies whether TLS is used for an h2ping check. |
header | object | optional | Specifies a set of headers that should be set for HTTP checks. Each header can have multiple values. |
http | string | optional | Specifies this is an HTTP check. Must be a URL against which request is performed every interval. |
interval | string | optional | Specifies the frequency at which to run this check. Required for HTTP and TCP checks. |
method | string | optional | Specifies the HTTP method to be used for an HTTP check. When no value is specified, GET is used. |
name | string | optional | The name of the check. |
notes | string | optional | Specifies arbitrary information for humans. This is not used by Consul internally. |
status | string | optional | Specifies the initial status the health check. Must be one of passing, warning, critical, maintenance, ornull. |
successBeforePassing | integer | optional | Specifies the number of consecutive successful results required before check status transitions to passing. |
tcp | string | optional | Specifies this is a TCP check. Must be an IP/hostname plus port to which a TCP connection is made every interval. |
timeout | string | optional | Specifies a timeout for outgoing connections in the case of a Script, HTTP, TCP, or gRPC check. Must be a duration string, such as 10s or 5m. |
tlsServerName | string | optional | Specifies an optional string used to set the SNI host when connecting via TLS. |
tlsSkipVerify | boolean | optional | Specifies if the certificate for an HTTPS check should not be verified. |
ttl | string | optional | Specifies this is a TTL check. Must be a duration string, such as 10s or 5m. |
»service.weights
Configures the weight of the service in terms of its DNS service (SRV) response.
| Field | Type | Required | Description |
|---|---|---|---|
passing | integer | required | Weight for the service when its health checks are passing. |
warning | integer | required | Weight for the service when it has health checks in warning status. |
»proxy
Configuration for the sidecar proxy registration with Consul.
| Field | Type | Required | Description |
|---|---|---|---|
config | object | optional | Object value that specifies an opaque JSON configuration. The JSON is stored and returned along with the service instance when called from the API. |
meshGateway | object | optional | Specifies the mesh gateway configuration for the proxy. |
upstreams | array | optional | The list of the upstream services that the proxy should create listeners for. |
»proxy.upstreams
The list of the upstream services that the proxy should create listeners for. Each upstream may contain these fields.
| Field | Type | Required | Description |
|---|---|---|---|
config | object | optional | Specifies opaque configuration options that will be provided to the proxy instance for the upstream. |
datacenter | string | optional | Specifies the datacenter to issue the discovery query to. |
destinationName | string | required | Specifies the name of the upstream service or prepared query to route the service mesh to. |
destinationNamespace | string | optional | Specifies the namespace containing the upstream service [Consul Enterprise]. |
destinationPartition | string | optional | Specifies the name of the admin partition containing the upstream service [Consul Enterprise]. |
destinationType | string | optional | Specifies the type of discovery query the proxy should use for finding service mesh instances. Must be one of service, prepared_query, ornull. |
localBindAddress | string | optional | Specifies the address to bind a local listener to. |
localBindPort | integer | required | Specifies the port to bind a local listener to. The application will make outbound connections to the upstream from the local port. |
meshGateway | object | optional | Specifies the mesh gateway configuration for the proxy for this upstream. |
»proxy.upstreams.meshGateway
Specifies the mesh gateway configuration for the proxy for this upstream.
| Field | Type | Required | Description |
|---|---|---|---|
mode | string | required | Specifies how the upstream with a remote destination datacenter gets resolved. Must be one of none, local, orremote. |
»proxy.meshGateway
Specifies the mesh gateway configuration for the proxy.
| Field | Type | Required | Description |
|---|---|---|---|
mode | string | required | Specifies how upstreams with a remote destination datacenter get resolved. Must be one of none, local, orremote. |
