Get Started with GitOps Run
GitOps Run supports two different modes of operation - directly on a cluster or as sandboxed sessions. The sandboxed sessions are intended for shared environments where multiple users are running their own sessions, whereas the direct mode is intended for a local cluster.
- Install the GitOps CLI. See the installation
- This guide uses kubectl for demonstrations, but it is not required to use GitOps Run
- The Flux CLI is the quickest way to generate resource definitions, but the files can also be created manually
To get started with GitOps Run, you need a Kubernetes cluster. There are many tools to set up a local cluster for test and development purposes.
Note: this tutorial assumes you have full control of your cluster - we
recommend a local cluster, but you can also use a remote cluster where
you have full
- docker desktop
Install kind and run
kind create cluster
Install k3d and run
k3d cluster create mycluster
Install minikube and run
Install Docker Desktop and enable Kubernetes. Then run
kubectl config set-context docker-desktop
GitOps Run works on any Kubernetes platform, but to avoid accidents you have to explicitly white-list the context name.
First, find the name of the context where you want to run
gitops beta run - in this example, there's a cluster with the name "dev":
$ kubectl config get-contexts
CURRENT NAME CLUSTER AUTHINFO NAMESPACE
* dev dev dev
Then, for any
gitops beta run command in this guide, you'll have to add the flag
Before you continue, make sure
kubectl get nodes returns a node which is
You need to set up a Git repository to put your GitOps manifests in. Any Git repository would do, for example create a new github repository and clone that.
Set up GitOps Run
To start GitOps Run, point it at the directory you want to keep your application manifests. In this example, we will install a small demo application podinfo.
We will start it with
--no-session as it's a single user
cluster which we want to use in direct mode. The port-forward points
at the podinfo pod we will create later.
gitops beta run ./podinfo --no-session --port-forward namespace=dev,resource=svc/dev-podinfo,port=9898:9898
You will now be asked if you want to install Flux and the GitOps dashboard. Answer yes and set a password, and shortly after you should be able to open the dashboard to see what's in your cluster - including the resources that GitOps Run is operating.
GitOps Run will have created a directory
podinfo in your
current directory. Inside that directory, there will only be a single
To create the podinfo automation, we have to create the resources to
run podinfo - we'll create a new
references the Helm repository where the manifests are stored, and a
HelmRelease that references the chart and version. We can use the
flux CLI to generate the resource definition, or we can just create
the yaml files ourselves.
cat <<EOF > ./podinfo/namespace.yaml
flux create source helm podinfo --url=https://stefanprodan.github.io/podinfo --namespace=dev --export > ./podinfo/podinfo-source.yaml
flux create helmrelease podinfo --source=HelmRepository/podinfo --chart=podinfo --export --namespace=dev --target-namespace=dev > ./podinfo/podinfo-helmrelease.yaml
The only remaining step is to import these files in the auto-generated
kustomization.yaml. Open it up, and you should see the following:
resources:  # 👋 Start adding the resources you want to sync here
Change the last line so it instead looks like the following:
GitOps Run should now automatically upload these manifests and install them. The dashboard should show you how the resources are being reconciled, and when they're Ready you will be able to see podinfo here.
Update your app
Now that GitOps Run is continuously watching and reconciling your local files onto your cluster, we can start modifying the resources.
We're going to be modifying the podinfo we set up in the previous step. Open the current podinfo and pay attention to the background color.
Now, open your HelmRelease file and add the values at the bottom, as indicated:
When you hit save, you'll see GitOps Run upload new files, and once it's reconciled the podinfo has changed to a bright red.
Turn on GitOps Mode
Now that we've used this interactive environment to set up the resources we want, we can switch over to full GitOps mode, where Flux is permanently pulling from your own Git repository.
The first run, when you turn off GitOps Run, it will ask you if you want to bootstrap your cluster into GitOps mode. If you answer yes, it will take you through a wizard to help you set up how you want it to run - what repository, which branch, etc.
When you hit submit, it will set up the repository and branch, add Flux manifests, as well as the files you were just working on. From this point on, you can make persistent changes by pushing them to this repository.