Manage Kubernetes with Argo CD
With argocd CLI
Create an App of Apps with the commands:
argocd app create apps \
--dest-namespace default \
--dest-server https://kubernetes.default.svc \
--repo https://github.com/st3w4r/argocd-apps.git \
--path apps
argocd app sync appsDeploy the application with kubectl:
# Create the app of Apps
kubectl apply -f applications.yaml
# Delete the app of Apps
kubectl delete -f applications.yamlCreate cluster
$ cat prod_config.yaml
apiVersion: kind.x-k8s.io/v1alpha4
networking:
apiServerAddress: 192.168.0.1
apiServerPort: 8444
$ kind create cluster --name prod --config prod_config.yaml
$ argocd cluster add kind-prod
Get access to the UI
- Port forward argo server
- Get password
kubectl -n argocd get secret argocd-initial-admin-secret -o jsonpath="{.data.password}" | base64 -d; echo - Go to localhost:8080
- Username
admin
Login if token as expired
sh ../password.sh
argocd login localhost:8080
> admin
> <password>
argocd cluster list
- Multi cluster
- Folder with base application
- Deploy base app with custom configuration for each clsuter
- Manage ArgoCD by itself
- Automated test before env promotion
Based on: https://github.com/kurtburak/argocd
$ kind create cluster --name argo
Creating cluster "argo" ...
✓ Ensuring node image (kindest/node:v1.21.1) 🖼
✓ Preparing nodes 📦
✓ Writing configuration 📜
✓ Starting control-plane 🕹️
✓ Installing CNI 🔌
✓ Installing StorageClass 💾
Set kubectl context to "kind-argo"
You can now use your cluster with:
kubectl cluster-info --context kind-argo
Not sure what to do next? 😅 Check out https://kind.sigs.k8s.io/docs/user/quick-start/
Change cotnext
$ kubectl config use-context kind-argo
Switched to context "kind-argo".
$ kubectl cluster-info - contact kind-argo
Kubernetes control plane is running at https://127.0.0.1:45119
CoreDNS is running at https://127.0.0.1:45119/api/v1/namespaces/kube-system/services/kube-dns:dns/proxy
To further debug and diagnose cluster problems, use 'kubectl cluster-info dump'.
Install helm chart
cd argo-cd
helm repo add dandydev https://dandydeveloper.github.io/charts
helm dependency build
cd ..
helm install argocd ./argo-cd --namespace argocd --create-namespace -f values-override.yaml
kubectl port-forward service/argocd-server -n argocd 8080:443
Open http://localhost:8080
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