homelab

IaaS setup: https://rohityadav.cloud/blog/cloudstack-rpi4-kvm/

DDNS/domain: x32.in (private), yadav.cloud (public)

Nodes:

cloudpi.x32.in: 8G 4C
pikvm1.x32.in: 8G, 4C
pikvm2.x32.in: 8G, 4C
pikvm3.x32.in: 8G, 4C
kubepi.ya3.in: 4G 4C

TODO: (things I don't need :D ) https://www.reddit.com/r/homelab/wiki/software

jenkins or other CI?
mbx + management UI
ghost/blog
mediawiki/docuwiki
https://www.home-assistant.io/
mqtt?
IP sec-cams?
deluge + plex? https://jellyfin.org? https://emby.media? couchpotato
Experiment: django/postgres app

To play with:

https://www.ovirt.org/
https://www.proxmox.com/en/proxmox-ve
https://www.nutanix.com/products/community-edition
http://www.openvswitch.org/
pfsense, opnsense, vyos
Duplicati
IPAM: https://netbox.readthedocs.io/en/stable/
https://github.com/awesome-selfhosted/awesome-selfhosted

k3s

## Installation

curl -sfL https://get.k3s.io | sh -

### Dashboard

Deploy dashboard:
GITHUB_URL=https://github.com/kubernetes/dashboard/releases
VERSION_KUBE_DASHBOARD=$(curl -w '%{url_effective}' -I -L -s -S ${GITHUB_URL}/latest -o /dev/null | sed -e 's|.*/||')
sudo k3s kubectl create -f https://raw.githubusercontent.com/kubernetes/dashboard/${VERSION_KUBE_DASHBOARD}/aio/deploy/recommended.yaml

# cat k8s-dashboard.yml
apiVersion: v1
kind: ServiceAccount
metadata:
  name: admin-user
  namespace: kubernetes-dashboard
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: admin-user
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: cluster-admin
subjects:
- kind: ServiceAccount
  name: admin-user
  namespace: kubernetes-dashboard

kubectl create -f k8s-dashboard.yml

# cat /usr/bin/get-token
sudo k3s kubectl -n kubernetes-dashboard describe secret admin-user-token | grep '^token'

chmod +x /usr/bin/get-token

## Setup kubectl

# Get/fix kubectl on local system
scp root@192.168.1.50:/etc/rancher/k3s/k3s.yaml ~/.kube/config
# fix IP or domain in ~/.kube/config

## Portainer

kubectl patch storageclass local-path -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"true"}}}'
kubectl apply -n portainer -f https://raw.githubusercontent.com/portainer/k8s/master/deploy/manifests/portainer/portainer-lb.yaml

Put in /etc/profile
export KUBECONFIG=/etc/rancher/k3s/k3s.yaml

## Enable traefik dashboard

Apply traefik dashboard access on: http://<domain>/dashboard/

apiVersion: traefik.containo.us/v1alpha1
kind: IngressRoute
metadata:
  name: dashboard
spec:
  entryPoints:
    - web
  routes:
    - match: Host(`<replace domain here>`) && (PathPrefix(`/dashboard`) || PathPrefix(`/api`))
      kind: Rule
      services:
        - name: api@internal
          kind: TraefikService

To reploy app say hello-k3s, first add a namespace in Portainer and assing a domain; next in app deployment specify/select deployment.

Gitops experiment:

rohityadavcloud/homelab

homelab

k3s