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Add proper metallb setup #1

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32 changes: 30 additions & 2 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -44,7 +44,7 @@ sudo apt-get install -y kubectl=1.32.*
#### K3s
K3s is a lightweight Kubernetes distribution. We will install it.
```shell
curl -sfL https://get.k3s.io | INSTALL_K3S_CHANNEL=v1.32 INSTALL_K3S_EXEC="server --disable traefik" sh -
curl -sfL https://get.k3s.io | INSTALL_K3S_CHANNEL=v1.32 INSTALL_K3S_EXEC="server --disable traefik --disable servicelb" sh -
```

##### Configure kubectl
Expand Down Expand Up @@ -89,7 +89,8 @@ helm upgrade --install ingress -n ingress --create-namespace ingress-nginx/ingre
--set controller.ingressClass=ngnix \
--set controller.ingressClassResource.name=ngnix \
--set controller.ingressClassResource.enabled=true \
--set controller.ingressClassResource.default=true
--set controller.ingressClassResource.default=true \
--set controller.service.externalTrafficPolicy=Local
```

### MetalLB
Expand All @@ -98,6 +99,33 @@ MetalLB allows us to give each externally avalible service a seperate IP.
helm repo add metallb https://metallb.github.io/metallb
helm install metallb metallb/metallb -n metallb --create-namespace
```
Create the following files. Adjust the IP range here with one that fits your subnet.
`ipaddresspool.yaml`:
```yaml
apiVersion: metallb.io/v1beta1
kind: IPAddressPool
metadata:
name: first-pool
namespace: metallb
spec:
addresses:
- 192.168.1.240-192.168.1.250
```
`l2advertisement.yaml`:
```yaml
apiVersion: metallb.io/v1beta1
kind: L2Advertisement
metadata:
name: example
namespace: metallb
spec:
ipAddressPools:
- first-pool
```
```shell
kubectl apply -f ipaddresspool.yaml
kubectl apply -f l2advertisement.yaml
```

### Metrics
#### Prometheus
Expand Down