Update kubernetes demos

Author: carlosedp

kubernetes/echo-demo.sh

@@ -1,21 +1,24 @@
 #!/bin/bash
 
+# Create namespace
+
+kubectl create namespace echo-demo
 # Create deployment
-kubectl create deployment echo -n default --image=carlosedp/echo-riscv
+kubectl create deployment echo -n echo-demo --image=carlosedp/echo-riscv
 
 # Expose service inside the cluster
-kubectl expose deploy echo -n default --type=NodePort --port=80 --target-port=8080
+kubectl expose deploy echo -n echo-demo --type=NodePort --port=80 --target-port=8080
 
 # Create an ingress
 cat <<EOF | kubectl apply -f -
 apiVersion: extensions/v1beta1
 kind: Ingress
 metadata:
   name: echo
-  namespace: default
+  namespace: echo-demo
 spec:
   rules:
-  - host: echo.192.168.15.16.nip.io
+  - host: echo.192.168.1.17.nip.io
     http:
       paths:
       - path: /

kubernetes/openfaas/faas-namespace.yaml renamed to kubernetes/openfaas/1-faas-namespace.yaml

@@ -47,3 +47,16 @@ faas-cli list
 Function                        Invocations     Replicas
 ```
 
+### 4.0 Deploy and test a function
+
+```sh
+faas-cli deploy --image carlosedp/faas-figlet:riscv64 --name figlet-riscv
+echo "Hello World! I'm running OpenFaaS on Kubernetes in RISC-V" |faas-cli invoke figlet-riscv
+```
+
+Remove if desired:
+
+```sh
+faas-cli remove figlet-riscv
+```
+