add rabbitmq how-to (#269)

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Yaron Schneider 2019-12-03 14:21:54 -08:00 committed by GitHub
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[Setup Redis Streams](./setup-redis.md)
[Setup NATS](./setup-nats.md)
[Setup Azure Service bus](./setup-azure-servicebus.md)
[Setup RabbitMQ](./setup-rabbitmq.md)

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# Setup RabbitMQ
## Locally
You can run a RabbitMQ server locally using Docker:
```
docker run -d --hostname my-rabbit --name some-rabbit rabbitmq:3
```
You can then interact with the server using the client port: `localhost:5672`.
## Kubernetes
The easiest way to install RabbitMQ on Kubernetes is by using the [Helm chart](https://github.com/helm/charts/tree/master/stable/rabbitmq):
```
helm install --name rabbitmq stable/rabbitmq
```
Look at the chart output and get the username and password.
This will install RabbitMQ into the `default` namespace.
To interact with RabbitMQ, find the service with: `kubectl get svc rabbitmq`.
For example, if installing using the example above, the RabbitMQ server client address would be:
`rabbitmq.default.svc.cluster.local:5672`
## Create a Dapr component
The next step is to create a Dapr component for RabbitMQ.
Create the following YAML file named `rabbitmq.yaml`:
```
apiVersion: dapr.io/v1alpha1
kind: Component
metadata:
name: <name>
spec:
type: pubsub.rabbitmq
metadata:
- name: host
value: <REPLACE-WITH-HOST> # Required. Example: "rabbitmq.default.svc.cluster.local:5672"
metadata:
- name: consumerID
value: <REPLACE-WITH-CONSUMER-ID> # Required. Any unique ID. Example: "myConsumerID"
metadata:
- name: durable
value: <REPLACE-WITH-DURABLE> # Optional. Default: "false"
metadata:
- name: deletedWhenUnused
value: <REPLACE-WITH-DELETE-WHEN-UNUSED> # Optional. Default: "false"
metadata:
- name: autoAck
value: <REPLACE-WITH-AUTO-ACK> # Optional. Default: "false"
metadata:
- name: deliveryMode
value: <REPLACE-WITH-DELIVERY-MODE> # Optional. Default: "0". Values between 0 - 2.
metadata:
- name: requeueInFailure
value: <REPLACE-WITH-REQUEUE-IN-FAILURE> # Optional. Default: "false".
```
The above example uses secrets as plain strings. It is recommended to use a secret store for the secrets as described [here](../../concepts/components/secrets.md)
## Apply the configuration
### In Kubernetes
To apply the RabbitMQ pub/sub to Kubernetes, use the `kubectl` CLI:
```
kubectl apply -f rabbitmq.yaml
```
### Running locally
The Dapr CLI will automatically create a directory named `components` in your current working directory with a Redis component.
To use RabbitMQ, replace the redis_messagebus.yaml file with rabbitmq.yaml above.