HashiCorp Consul

Detailed information on the HashiCorp Consul state store component

Component format

To setup Hashicorp Consul state store create a component of type state.consul. See this guide on how to create and apply a state store configuration.

apiVersion: dapr.io/v1alpha1
kind: Component
  name: <NAME>
  type: state.consul
  version: v1
  - name: datacenter
    value: <REPLACE-WITH-DATA-CENTER> # Required. Example: dc1
  - name: httpAddr
    value: <REPLACE-WITH-CONSUL-HTTP-ADDRESS> # Required. Example: "consul.default.svc.cluster.local:8500"
  - name: aclToken
    value: <REPLACE-WITH-ACL-TOKEN> # Optional. default: ""
  - name: scheme
    value: <REPLACE-WITH-SCHEME> # Optional. default: "http"
  - name: keyPrefixPath
    value: <REPLACE-WITH-TABLE> # Optional. default: ""

Spec metadata fields

Field Required Details Example
datacenter Y Datacenter to use "dc1"
httpAddr Y Address of the Consul server "consul.default.svc.cluster.local:8500"
aclToken N Per Request ACL Token. Default is "" "token"
scheme N Scheme is the URI scheme for the Consul server. Default is "http" "http"
keyPrefixPath N Key prefix path in Consul. Default is "" "dapr"

Setup HashiCorp Consul

You can run Consul locally using Docker:

docker run -d --name=dev-consul -e CONSUL_BIND_INTERFACE=eth0 consul

You can then interact with the server using localhost:8500.

The easiest way to install Consul on Kubernetes is by using the Helm chart:

helm install consul stable/consul

This installs Consul into the default namespace. To interact with Consul, find the service with: kubectl get svc consul.

For example, if installing using the example above, the Consul host address would be: