mirror of https://github.com/knative/docs.git
Update the iot-core demo to use Broker rather than Channel (#1103)
* Update the iot-core demo to use Broker rather than Channel. Also remove ko and kail usage. * Update docs/eventing/samples/iot-core/README.md Co-Authored-By: Harwayne <harwayne@google.com>
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Adam Harwayne
Knative Prow Robot
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@ -24,7 +24,6 @@ export IOTCORE_PROJECT="s9-demo"
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#### Variables you may Change
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```shell
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export CHANNEL_NAME="iot-demo"
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export IOTCORE_REGISTRY="iot-demo"
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export IOTCORE_DEVICE="iot-demo-client"
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export IOTCORE_REGION="us-central1"
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@ -34,12 +33,6 @@ export IOTCORE_TOPIC_DEVICE="iot-demo-device-pubsub-topic"
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### Prerequisites
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#### Local
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1. Clone
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[Knative Eventing Sources](https://github.com/knative/eventing-sources)
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locally.
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#### Kubernetes
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1. Have a running Kubernetes cluster with `kubectl` pointing at it.
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@ -67,13 +60,6 @@ export IOTCORE_TOPIC_DEVICE="iot-demo-device-pubsub-topic"
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1. Setup [Knative Eventing](../../../eventing).
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1. Install the
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[in-memory `ClusterChannelProvisioner`](https://github.com/knative/eventing/tree/master/config/provisioners/in-memory-channel).
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- Note that you can skip this if you choose to use a different type of
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`Channel`. If so, you will need to modify `channel.yaml` before deploying
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it.
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#### GCP PubSub Source
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1. Create a GCP
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@ -94,20 +80,17 @@ export IOTCORE_TOPIC_DEVICE="iot-demo-device-pubsub-topic"
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controller.
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```shell
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pushd $HOME/go/src/github.com/knative/eventing-sources
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ko apply --filename config/default-gcppubsub.yaml
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popd
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kubectl apply --filename https://github.com/knative/eventing-sources/releases/download/v0.5.0/gcppubsub.yaml
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```
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### Deploying
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#### Channel
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#### Broker
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1. Create a `Channel`.
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1. Install the default `Broker`.
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```shell
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sed "s/CHANNEL_NAME/$CHANNEL_NAME/" channel.yaml |
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kubectl --namespace default apply --filename -
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kubectl label namespace default knative-eventing-injection=enabled
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```
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#### GCP PubSub Source
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@ -115,23 +98,21 @@ export IOTCORE_TOPIC_DEVICE="iot-demo-device-pubsub-topic"
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1. Deploy `gcp-pubsub-source.yaml`.
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```shell
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sed -e "s/MY_GCP_PROJECT/$IOTCORE_PROJECT/" \
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sed -e "s/PROJECT_ID/$IOTCORE_PROJECT/" \
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-e "s/TOPIC_NAME/$IOTCORE_TOPIC_DATA/" \
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-e "s/CHANNEL_NAME/$CHANNEL_NAME/" \
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gcp-pubsub-source.yaml |
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docs/eventing/samples/iot-core/gcp-pubsub-source.yaml |
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kubectl apply --filename -
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```
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#### Subscription
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#### Trigger
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Even though the `Source` isn't completely ready yet, we can setup the
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`Subscription` for all events coming out of it.
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`Trigger` for all events coming out of it.
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1. Deploy `subscription.yaml`.
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1. Deploy `trigger.yaml`.
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```shell
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sed "s/CHANNEL_NAME/$CHANNEL_NAME/" subscription.yaml |
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ko apply --filename -
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kubectl apply --filename docs/eventing/samples/iot-core/trigger.yaml
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```
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- This uses a very simple Knative Service to see that events are flowing.
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@ -178,14 +159,7 @@ Core.
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We now have everything installed and ready to go. We will generate events and
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see them in the subscriber.
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1. Setup [`kail`](https://github.com/boz/kail) to tail the logs of the
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subscriber.
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```shell
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kail -d message-dumper -c user-container
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```
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1. In a separate terminal, run the following program to generate events.
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1. Run the following program to generate events:
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```shell
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go run github.com/knative/docs/docs/eventing/samples/iot-core/generator \
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@ -199,37 +173,39 @@ see them in the subscriber.
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-events 10
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```
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1. Inspect the logs of the subscriber:
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```shell
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kubectl logs --selector serving.knative.dev/service=message-dumper -c user-container
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```
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You should see something along the similar to:
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```shell
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{"ID":"481014114648052","Data":"eyJzb3VyY2VfaWQiOiJpb3QtY29yZSBkZW1vIiwiZXZlbnRfaWQiOiJlaWQtMzI3MjJiMzItZWU5Mi00YzZlLWEzOTgtNDlmYjRkYWYyNGE1IiwiZXZlbnRfdHMiOjE1NTM3MTczOTYsIm1ldHJpYyI6MC4xMzY1MjI5OH0=","Attributes":{"deviceId":"iot-demo-client","deviceNumId":"2754785852315736","deviceRegistryId":"iot-demo","deviceRegistryLocation":"us-central1","projectId":"s9-demo","subFolder":""},"PublishTime":"2019-03-27T20:09:56.685Z"}
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### Cleanup
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To cleanup the knative resources:
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1. Remove the gcppubsub controller:
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1. Remove the `GcpPubSubSource`:
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```shell
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pushd $HOME/go/src/github.com/knative/eventing-sources
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kubectl delete --filename config/default-gcppubsub.yaml
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popd
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```
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2. Remove the channel:
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```shell
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sed "s/CHANNEL_NAME/$CHANNEL_NAME/" channel.yaml |
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kubectl --namespace default delete --filename -
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```
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3. Remove the gcppubsub source:
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```shell
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sed -e "s/MY_GCP_PROJECT/$IOTCORE_PROJECT/" \
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sed -e "s/PROJECT_ID/$IOTCORE_PROJECT/" \
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-e "s/TOPIC_NAME/$IOTCORE_TOPIC_DATA/" \
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-e "s/CHANNEL_NAME/$CHANNEL_NAME/" \
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gcp-pubsub-source.yaml |
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docs/eventing/samples/iot-core/gcp-pubsub-source.yaml |
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kubectl delete --filename -
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```
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4. Remove the subscription:
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1. Remove the Trigger:
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```shell
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sed "s/CHANNEL_NAME/$CHANNEL_NAME/" subscription.yaml |
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kubectl delete --filename -
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kubectl delete --filename docs/eventing/samples/iot-core/trigger.yaml
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```
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1. Remove the `GcpPubSubSource` controller:
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```shell
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kubectl delete --filename https://github.com/knative/eventing-sources/releases/download/v0.5.0/gcppubsub.yaml
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```
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@ -1,10 +0,0 @@
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apiVersion: eventing.knative.dev/v1alpha1
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kind: Channel
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metadata:
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name: CHANNEL_NAME
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namespace: default
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spec:
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provisioner:
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apiVersion: eventing.knative.dev/v1alpha1
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kind: ClusterChannelProvisioner
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name: in-memory-channel
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@ -10,9 +10,9 @@ spec:
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gcpCredsSecret:
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name: google-cloud-key
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key: key.json
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googleCloudProject: MY_GCP_PROJECT
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googleCloudProject: PROJECT_ID
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topic: TOPIC_NAME
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sink:
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apiVersion: eventing.knative.dev/v1alpha1
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kind: Channel
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name: CHANNEL_NAME
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kind: Broker
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name: default
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@ -1,13 +1,9 @@
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apiVersion: eventing.knative.dev/v1alpha1
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kind: Subscription
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kind: Trigger
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metadata:
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name: iot-demo
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namespace: default
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spec:
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channel:
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apiVersion: eventing.knative.dev/v1alpha1
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kind: Channel
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name: CHANNEL_NAME
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subscriber:
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ref:
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apiVersion: serving.knative.dev/v1alpha1
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@ -28,4 +24,6 @@ spec:
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revisionTemplate:
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spec:
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container:
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image: github.com/knative/eventing-sources/cmd/message_dumper
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# This corresponds to
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# https://github.com/knative/eventing-sources/blob/release-0.3/cmd/message_dumper/dumper.go
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image: gcr.io/knative-releases/github.com/knative/eventing-sources/cmd/message_dumper@sha256:8423232db7a7b4010c0cfbfaef95745efe962631af9b7456903825801a7893f7
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