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@ -4,17 +4,17 @@ This topic describes how to install Knative Eventing by applying YAML files usin
--8<-- "prerequisites.md"
## Install the Eventing component
## Install Knative Eventing
To install the Eventing component:
To install Knative Eventing:
1. Install the required custom resource definitions (CRDs):
1. Install the required custom resource definitions (CRDs) by running the command:
```bash
kubectl apply -f {{ artifact(repo="eventing",file="eventing-crds.yaml")}}
```
1. Install the core components of Eventing:
1. Install the core components of Eventing by running the command:
```bash
kubectl apply -f {{ artifact(repo="eventing",file="eventing-core.yaml")}}
@ -32,19 +32,18 @@ To install the Eventing component:
```
## Optional: Install a default channel (messaging) layer
## Optional: Install a default Channel (messaging) layer
The tabs below expand to show instructions for installing a default channel layer.
Follow the procedure for the channel of your choice:
The tabs below expand to show instructions for installing a default Channel layer.
Follow the procedure for the Channel of your choice:
<!-- This indentation is important for things to render properly. -->
=== "Apache Kafka Channel"
1. First,
[Install Apache Kafka for Kubernetes](../../../eventing/samples/kafka/README.md)
1. [Install Apache Kafka for Kubernetes](../../../eventing/samples/kafka/README.md).
1. Then install the Apache Kafka Channel:
1. Install the Apache Kafka Channel by running the command:
```bash
curl -L "{{ artifact(org="knative-sandbox",repo="eventing-kafka",file="channel-consolidated.yaml")}}" \
@ -53,36 +52,38 @@ Follow the procedure for the channel of your choice:
```
!!! tip
To learn more, try the [Apache Kafka channel sample](../../../eventing/samples/kafka/channel/README.md).
To learn more, try the [Apache Kafka Channel sample](../../../eventing/samples/kafka/channel/README.md).
=== "Google Cloud Pub/Sub Channel"
1. Install the Google Cloud Pub/Sub channel:
* Install the Google Cloud Pub/Sub Channel by running the command:
```bash
# This installs both the Channel and the GCP Sources.
kubectl apply -f {{ artifact(org="google",repo="knative-gcp",file="cloud-run-events.yaml")}}
```
This command installs both the Channel and the GCP Sources.
!!! tip
To learn more, try the [Google Cloud Pub/Sub channel sample](https://github.com/google/knative-gcp/blob/master/docs/examples/channel/README.md).
=== "In-Memory (standalone)"
The following command installs an implementation of channel that runs in-memory.
This implementation is nice because it is simple and standalone, but it is unsuitable for production use cases.
!!! warning
This simple standalone implementation runs in-memory and is not suitable for production use cases.
```bash
kubectl apply -f {{ artifact(repo="eventing",file="in-memory-channel.yaml")}}
```
* Install an in-memory implementation of Channel by running the command:
```bash
kubectl apply -f {{ artifact(repo="eventing",file="in-memory-channel.yaml")}}
```
=== "NATS Channel"
1. First, [Install NATS Streaming for
Kubernetes](https://github.com/knative-sandbox/eventing-natss/tree/main/config)
1. [Install NATS Streaming for Kubernetes](https://github.com/knative-sandbox/eventing-natss/tree/main/config).
1. Then install the NATS Streaming channel:
1. Install the NATS Streaming Channel by running the command:
```bash
kubectl apply -f {{ artifact(org="knative-sandbox",repo="eventing-natss",file="300-natss-channel.yaml")}}
@ -90,106 +91,109 @@ Follow the procedure for the channel of your choice:
<!-- TODO(https://github.com/knative/docs/issues/2153): Add more Channels here -->
## Optional: Install a broker layer:
## Optional: Install a Broker layer:
The tabs below expand to show instructions for installing the broker layer.
Follow the procedure for the broker of your choice:
The tabs below expand to show instructions for installing the Broker layer.
Follow the procedure for the Broker of your choice:
<!-- This indentation is important for things to render properly. -->
=== "Apache Kafka Broker"
The following commands install the Apache Kafka broker, and run event routing in a system namespace,
`knative-eventing`, by default.
The following commands install the Apache Kafka Broker and run event routing in a system
namespace. The `knative-eventing` namespace is used by default.
1. Install the Kafka controller by entering the following command:
1. Install the Kafka controller by running the following command:
```bash
kubectl apply -f {{ artifact(org="knative-sandbox",repo="eventing-kafka-broker",file="eventing-kafka-controller.yaml")}}
```
1. Install the Kafka broker data plane by entering the following command:
1. Install the Kafka Broker data plane by running the following command:
```bash
kubectl apply -f {{ artifact(org="knative-sandbox",repo="eventing-kafka-broker",file="eventing-kafka-broker.yaml")}}
```
For more information, see the [Kafka broker](../../../eventing/broker/kafka-broker/README.md) documentation.
For more information, see the [Kafka Broker](../../../eventing/broker/kafka-broker/README.md) documentation.
=== "MT-Channel-based"
The following command installs an implementation of broker that utilizes
channels and runs event routing components in a System Namespace, providing a smaller and simpler installation.
This implementation of Broker uses Channels and runs event routing components in a system
namespace, providing a smaller and simpler installation.
```bash
kubectl apply -f {{ artifact(repo="eventing",file="mt-channel-broker.yaml")}}
```
* Install this implementation of Broker by running the command:
To customize which broker channel implementation is used, update the following ConfigMap to specify which configurations are used for which namespaces:
```bash
kubectl apply -f {{ artifact(repo="eventing",file="mt-channel-broker.yaml")}}
```
```yaml
apiVersion: v1
kind: ConfigMap
metadata:
name: config-br-defaults
namespace: knative-eventing
data:
default-br-config: |
# This is the cluster-wide default broker channel.
clusterDefault:
brokerClass: MTChannelBasedBroker
apiVersion: v1
kind: ConfigMap
To customize which Broker Channel implementation is used, update the following ConfigMap to
specify which configurations are used for which namespaces:
```yaml
apiVersion: v1
kind: ConfigMap
metadata:
name: config-br-defaults
namespace: knative-eventing
data:
default-br-config: |
# This is the cluster-wide default broker channel.
clusterDefault:
brokerClass: MTChannelBasedBroker
apiVersion: v1
kind: ConfigMap
name: imc-channel
namespace: knative-eventing
# This allows you to specify different defaults per-namespace,
# in this case the "some-namespace" namespace will use the Kafka
# channel ConfigMap by default (only for example, you will need
# to install kafka also to make use of this).
namespaceDefaults:
some-namespace:
brokerClass: MTChannelBasedBroker
apiVersion: v1
kind: ConfigMap
name: kafka-channel
namespace: knative-eventing
```
The referenced `imc-channel` and `kafka-channel` example ConfigMaps would look like:
```yaml
apiVersion: v1
kind: ConfigMap
metadata:
name: imc-channel
namespace: knative-eventing
# This allows you to specify different defaults per-namespace,
# in this case the "some-namespace" namespace will use the Kafka
# channel ConfigMap by default (only for example, you will need
# to install kafka also to make use of this).
namespaceDefaults:
some-namespace:
brokerClass: MTChannelBasedBroker
apiVersion: v1
kind: ConfigMap
name: kafka-channel
namespace: knative-eventing
```
The referenced `imc-channel` and `kafka-channel` example ConfigMaps would look like:
```yaml
apiVersion: v1
kind: ConfigMap
metadata:
name: imc-channel
namespace: knative-eventing
data:
channelTemplateSpec: |
apiVersion: messaging.knative.dev/v1
kind: InMemoryChannel
---
apiVersion: v1
kind: ConfigMap
metadata:
name: kafka-channel
namespace: knative-eventing
data:
channelTemplateSpec: |
apiVersion: messaging.knative.dev/v1alpha1
kind: KafkaChannel
spec:
numPartitions: 3
replicationFactor: 1
```
data:
channelTemplateSpec: |
apiVersion: messaging.knative.dev/v1
kind: InMemoryChannel
---
apiVersion: v1
kind: ConfigMap
metadata:
name: kafka-channel
namespace: knative-eventing
data:
channelTemplateSpec: |
apiVersion: messaging.knative.dev/v1alpha1
kind: KafkaChannel
spec:
numPartitions: 3
replicationFactor: 1
```
!!! warning
In order to use the KafkaChannel make sure it is installed on the cluster as discussed above.
In order to use the KafkaChannel, ensure that it is installed on your cluster, as mentioned previously in this topic.
=== "RabbitMQ Broker"
You can install the RabbitMQ broker by following the instructions in the
* Install the RabbitMQ Broker by following the instructions in the
[RabbitMQ Knative Eventing Broker README](https://github.com/knative-sandbox/eventing-rabbitmq/tree/main/broker).
For more information, see the [RabbitMQ broker](https://github.com/knative-sandbox/eventing-rabbitmq) in GitHub.
For more information, see the [RabbitMQ Broker](https://github.com/knative-sandbox/eventing-rabbitmq) in GitHub.
## Install optional Eventing extensions
@ -198,13 +202,13 @@ The tabs below expand to show instructions for installing each Eventing extensio
=== "Apache Kafka Sink"
1. Install the Kafka controller:
1. Install the Kafka controller by running the command:
```bash
kubectl apply -f {{ artifact(org="knative-sandbox",repo="eventing-kafka-broker",file="eventing-kafka-controller.yaml")}}
```
1. Install the Kafka Sink data plane:
1. Install the Kafka Sink data plane by running the command:
```bash
kubectl apply -f {{ artifact(org="knative-sandbox",repo="eventing-kafka-broker",file="eventing-kafka-sink.yaml")}}
@ -216,71 +220,70 @@ The tabs below expand to show instructions for installing each Eventing extensio
<!-- Unclear when this feature came in -->
The following command installs the Eventing Sugar Controller:
1. Install the Eventing Sugar Controller by running the command:
```bash
kubectl apply -f {{ artifact(repo="eventing",file="eventing-sugar-controller.yaml")}}
```
```bash
kubectl apply -f {{ artifact(repo="eventing",file="eventing-sugar-controller.yaml")}}
```
The Knative Eventing Sugar Controller will react to special labels and
annotations and produce Eventing resources. For example:
The Knative Eventing Sugar Controller reacts to special labels and
annotations and produce Eventing resources. For example:
- When a Namespace is labeled with `eventing.knative.dev/injection=enabled`, the
controller will create a default broker in that namespace.
- When a Trigger is annotated with `eventing.knative.dev/injection=enabled`, the
controller will create a Broker named by that Trigger in the Trigger's
Namespace.
- When a namespace is labeled with `eventing.knative.dev/injection=enabled`, the
controller creates a default Broker in that namespace.
- When a Trigger is annotated with `eventing.knative.dev/injection=enabled`, the
controller creates a Broker named by that Trigger in the Trigger's namespace.
The following command enables the default Broker on a namespace (here
`default`):
1. Enable the default Broker on a namespace (here `default`) by running the command:
```bash
kubectl label namespace default eventing.knative.dev/injection=enabled
```
```bash
kubectl label namespace <namespace-name> eventing.knative.dev/injection=enabled
```
Where `<namespace-name>` is the name of the namespace.
=== "Github Source"
=== "GitHub Source"
The following command installs the single-tenant Github source:
A single-tenant GitHub source creates one Knative service per GitHub source.
```bash
kubectl apply -f {{ artifact(org="knative-sandbox",repo="eventing-github",file="github.yaml")}}
```
A multi-tenant GitHub source only creates one Knative Service, which handles all GitHub sources in the
cluster. This source does not support logging or tracing configuration.
The single-tenant GitHub source creates one Knative service per GitHub source.
* To install a single-tenant GitHub source run the command:
The following command installs the multi-tenant GitHub source:
```bash
kubectl apply -f {{ artifact(org="knative-sandbox",repo="eventing-github",file="github.yaml")}}
```
```bash
kubectl apply -f {{ artifact(org="knative-sandbox",repo="eventing-github",file="mt-github.yaml")}}
```
* To install a multi-tenant GitHub source run the command:
The multi-tenant GitHub source creates only one Knative service handling all
GitHub sources in the cluster. This source does not support logging or tracing
configuration yet.
```bash
kubectl apply -f {{ artifact(org="knative-sandbox",repo="eventing-github",file="mt-github.yaml")}}
```
To learn more, try the [Github source sample](../../../eventing/samples/github-source/README.md)
To learn more, try the [GitHub source sample](../../../eventing/samples/github-source/README.md)
=== "Apache Kafka Source"
The following command installs the Apache Kafka Source:
* Install the Apache Kafka Source by running the command:
```bash
kubectl apply -f {{ artifact(org="knative-sandbox",repo="eventing-kafka",file="source.yaml")}}
```
```bash
kubectl apply -f {{ artifact(org="knative-sandbox",repo="eventing-kafka",file="source.yaml")}}
```
To learn more, try the [Apache Kafka source sample](../../../developer/eventing/sources/kafka-source/README.md).
=== "GCP Sources"
The following command installs the GCP Sources:
* Install the GCP Sources by running the command:
```bash
# This installs both the Sources and the Channel.
kubectl apply -f {{ artifact(org="google",repo="knative-gcp",file="cloud-run-events.yaml")}}
```
```bash
kubectl apply -f {{ artifact(org="google",repo="knative-gcp",file="cloud-run-events.yaml")}}
```
To learn more, try the following:
This command installs both the Sources and the Channel.
To learn more, try the following samples:
- [Cloud Pub/Sub source sample](../../../eventing/samples/cloud-pubsub-source/README.md)
- [Cloud Storage source sample](../../../eventing/samples/cloud-storage-source/README.md)
@ -290,20 +293,20 @@ The tabs below expand to show instructions for installing each Eventing extensio
=== "Apache CouchDB Source"
The following command installs the Apache CouchDB Source:
* Install the Apache CouchDB Source by running the command:
```bash
kubectl apply -f {{ artifact(org="knative-sandbox",repo="eventing-couchdb",file="couchdb.yaml")}}
```
```bash
kubectl apply -f {{ artifact(org="knative-sandbox",repo="eventing-couchdb",file="couchdb.yaml")}}
```
To learn more, read the [Apache CouchDB source](https://github.com/knative-sandbox/eventing-couchdb/blob/main/source/README.md) documentation.
=== "VMware Sources and Bindings"
The following command installs the VMware Sources and Bindings:
* Install VMware Sources and Bindings by running the command:
```bash
kubectl apply -f {{ artifact(org="vmware-tanzu",repo="sources-for-knative",file="release.yaml")}}
```
```bash
kubectl apply -f {{ artifact(org="vmware-tanzu",repo="sources-for-knative",file="release.yaml")}}
```
To learn more, try the [VMware sources and bindings samples](https://github.com/vmware-tanzu/sources-for-knative/tree/master/samples/README.md).