OpenFaaS is an open-source platform that helps you deploy your containerized functions and microservices onto Kubernetes, Swarm, and OpenShift. This guide helps you with step-by-step instructions to install OpenFaaS on your Fedora Server.
To follow this guide, you need the following:
OpenFaaS uses Kubernetes as a backend, so you need to install Kubernetes before installing OpenFaaS.
Run the following command to install the required packages:
dnf install kubernetes-client kubectl kubernetes-master
OpenFaaS provides a CLI tool that makes it easy to interact with your cluster. To install the CLI, run the following command:
curl -sL https://cli.openfaas.com | sh
This command installs the CLI in your current directory. To make it available globally, move the executable to the /usr/bin/ directory:
sudo mv faas-cli /usr/bin/
Now that you have the prerequisites in place, you can install OpenFaaS. OpenFaaS provides a set of YAML files that helps you install the platform easily.
Download the required YAML files by running the following command:
curl -sSL https://raw.githubusercontent.com/openfaas/faas-netes/master/namespaces.yml \
-o namespaces.yml && \
curl -sSL https://raw.githubusercontent.com/openfaas/faas-netes/master/helm/faas-netes/values.yaml \
-o values.yaml
Create a namespace by running the following command:
kubectl apply -f namespaces.yml
Now, install OpenFaaS by running the following command:
helm upgrade faas-netes openfaas/faas-netes \
--install \
--namespace openfaas \
--set functionNamespace=openfaas-fn \
--values values.yaml
This command installs OpenFaaS in the openfaas namespace and creates an additional namespace, openfaas-fn, to store your functions and microservices.
Once the installation is complete, you can verify it by checking if the OpenFaaS services are running.
Run the following command to see the status of your OpenFaaS deployment:
kubectl -n openfaas get deployments -l "release=faas-netes"
You should see output similar to:
NAME READY UP-TO-DATE AVAILABLE AGE
gateway 1/1 1 1 43s
nats 1/1 1 1 43s
queue-worker 1/1 1 1 43s
Run the following command to forward your OpenFaaS gateway to your local machine:
kubectl port-forward svc/gateway -n openfaas 8080:8080
You can now open a web browser and go to http://localhost:8080 to access the OpenFaaS web UI.
Congratulations, you have successfully installed OpenFaaS on your Fedora Server. You can now start deploying your functions and microservices.
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