OpenFaaS demo on CaaSP

openfaasdemo

OPENFAAS DEMO
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** Mostramos todos los charts disponibles en Kubernetes

  git clone https://github.com/openfaas/faas-netes
  cd faas-netes/

** Creamos namespaces especificos
  kubectl create ns openfaas
  kubectl create ns openfaas-fn

[helm delete --purge openfaas]
  helm upgrade --install --debug --reset-values --set async=false --set rbac=false openfaas openfaas/ --namespace openfaas  --set functionNamespace=openfaas-fn

** Obtenemos IP de cluster
  kubectl describe pod gateway --namespace openfaas | grep Node:
 
** OpenFaaS Dashboard
  http://192.168.64.7:31112/ui/

** OpenFaaS Metrics
  http://192.168.64.7:31119

** Deploy some functions
  //Listado de pods para cada funcion
  kubectl get pods --namespace=openfaas-fn

** Ver ratios de peticiones
  rate(gateway_function_invocation_total[20s])

** Escalado en base a peticiones
  while true  ; do curl -4 192.168.64.7:31112/function/nodeinfo -d "" ; done

  //Ver pods en linea comando y dashboard
  kubectl get pods --namespace=openfaas-fn
  
** Faas client

  faas-cli new --list

  faas-cli template pull

  faas-cli new ExpertDays --lang Dockerfile

  Edit Dockerfile and insert: FROM suse/sles12:latest :)