faas-flow-tower

A monitoring stack for faas-flow with greater visibity of flows

Dashboard provide details for each faas-flow functions incuding graphical representation of dags based on function definition

Request can be monitored realtime with timeline for requests for individual nodes of each faas-flow functions

Deploy OpenFaaS

FaasFlow Tower requires the OpenFaaS to be deployed and the OpenFaaS Cli. You can either have your OpenFaaS deployed in Kubernets or in Swarm.

To deploy OpenFaaS and to install the OpenFaaS cli client follow this guide: https://docs.openfaas.com/deployment/.

Note: If you have deployed your OpenFaaS in Kubenetes, it is recommended to deploy FaaSFlow Tower services in same environment to simplify configuration

Deploy Faas-flow Components with Faas-flow Infra

Faas-Flow infra provides the kubernetes and swarm deployment resources for faas-flow dependencies.

Deploy Faas-flow Tower

Configure

Configurations are defined in conf.yml. Based on your deployment you may need to update the configuration before you use the deployment script.

Deploy Functions

Deploy the OpenFaaS functions in OpenFaaS:

faas deploy -g localhost:31112

You might have to change the localhost:31112 to your openfaas Gateway URL.

Access the Dashboard

Once deployed the dashboard will be available as a openfaas function at localhost:31112/function/faas-flow-dashboard.

Change the localhost:31112 to your openfaas Gateway URL.

Make your flow visible

To make flow functions visible in the dashboard add faas-flow : 1 label in stack.yml of each flow functions.

annotations:
   faas-flow-desc: "option labels to provide flow descriptions"
labels:
   faas-flow : 1

Monitoring

Faasflow fetches the monitoring information from jaeger trace server. To enable tracing for flow function add environment, set

enable_tracing: true        
trace_server: "jaeger-agent.openfaas:5775"