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Alex Ellis
2017-10-26 16:26:49 +01:00
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guide/deployment_k8s.md
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@ -16,32 +16,53 @@ You can start evaluating FaaS and building functions on your laptop or on a VM (
* [10 minute guides for minikube / kubeadm](https://blog.alexellis.io/tag/learn-k8s/)
Additional information on [setting up Kubernetes](https://kubernetes.io/docs/setup/pick-right-solution/).
### 1.1 Pick helm or YAML files for deployment
If you'd like to use helm follow the instructions in 2.0a and then come back here, otherwise follow 2.0b to use plain `kubectl`.
### 2.0a Deploy with Helm
A Helm chart is provided `faas-netes` repo.
A Helm chart is provided `faas-netes` repository. Follow the link below then come back to this guide.
* [OpenFaaS Helm chart](https://github.com/openfaas/faas-netes/blob/master/HELM.md)
### 2.0b Deploy OpenFaaS
This step assumes you are running `kubectl` on a master host.
* Clone the code
```
$ git clone https://github.com/openfaas/faas-netes
```
* Deploy the services
Deploy a synchronous or asynchronous stack. If you're using OpenFaaS for the first time we recommend the synchronous stack. The asynchronous stack also includes NATS Streaming for queuing.
* Deploy the synchronous stack
```
$ cd faas-netes
$ kubectl apply -f ./faas.yml,monitoring.yml,rbac.yml
```
Or
* Deploy the asynchronous stack
```
$ cd faas-netes
$ kubectl apply -f ./faas.async.yml,nats.yml,monitoring.yml,rbac.yml
```
Asynchronous invocation works by queuing requests with NATS Streaming. An alternative implementation is available with Kafka in an [open PR](https://github.com/openfaas/faas/pull/311).
* See also: [Asynchronous function guide](https://github.com/openfaas/faas/blob/master/guide/asynchronous.md)
### 3.0 Use OpenFaaS
That's it. You now have OpenFaaS deployed.
After deploying OpenFaaS you can start using one of the guides or blog posts to create Serverless functions or test [community functions](https://github.com/openfaas/faas/blob/master/community.md).
![](https://camo.githubusercontent.com/72f71cb0b0f6cae1c84f5a40ad57b7a9e389d0b7/68747470733a2f2f7062732e7477696d672e636f6d2f6d656469612f44466b5575483158734141744e4a362e6a70673a6d656469756d)
@ -146,22 +167,9 @@ Click "New Function" and fill it out with the following:
Your function will appear after a few seconds and you can click "Invoke"
You can also use the CLI like this:
The function can also be invoked through the CLI:
```
$ echo -n "" | faas-cli invoke --gateway http://kubernetes-ip:31112 nodeinfo
$ echo -n "verbose" | faas-cli invoke --gateway http://kubernetes-ip:31112 nodeinfo
```
## Asynchronous functions
Asynchronous invocation works by queuing requests with NATS Streaming. An alternative implementation is available with Kafka in an [open PR](https://github.com/openfaas/faas/pull/311).
Deploy the asynchronous stack like this (or use the helm chart with the async override)
```
$ cd faas-netes
$ kubectl apply -f ./faas.async.yml,nats.yml,monitoring.yml,rbac.yml
```
* See also: [Asynchronous function guide](https://github.com/openfaas/faas/blob/master/guide/asynchronous.md)