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Update Containers/Kubernetes/Rancher RKE2/Rancher RKE2 Cluster.md

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Nicole Rappe
2024-01-22 18:45:23 -07:00
parent d3595e4a23
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Containers/Kubernetes/Rancher RKE2/Rancher RKE2 Cluster.md
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@ -61,7 +61,7 @@ kubectl apply -f https://github.com/jetstack/cert-manager/releases/download/v1.6
helm upgrade -i cert-manager jetstack/cert-manager --namespace cert-manager --create-namespace helm upgrade -i cert-manager jetstack/cert-manager --namespace cert-manager --create-namespace
# Install Rancher via Helm # Install Rancher via Helm
helm upgrade -i rancher rancher-latest/rancher --create-namespace --namespace cattle-system --set hostname=rancher.cyberstrawberry.net --set bootstrapPassword=bootStrapAllTheThings --set replicas=1 helm upgrade -i rancher rancher-latest/rancher --create-namespace --namespace cattle-system --set hostname=rancher.bunny-lab.io --set bootstrapPassword=bootStrapAllTheThings --set replicas=1
# Install Longhorn via Helm # Install Longhorn via Helm
helm upgrade -i longhorn longhorn/longhorn --namespace longhorn-system --create-namespace helm upgrade -i longhorn longhorn/longhorn --namespace longhorn-system --create-namespace
@ -69,7 +69,7 @@ helm upgrade -i longhorn longhorn/longhorn --namespace longhorn-system --create-
!!! note !!! note
Be sure to write down the "*bootstrapPassword*" variable for when you log into Rancher later. In this example, the password is `bootStrapAllTheThings`. Be sure to write down the "*bootstrapPassword*" variable for when you log into Rancher later. In this example, the password is `bootStrapAllTheThings`.
Also be sure to adjust the "*hostname*" variable to reflect the FQDN of the cluster. This is important for the last step where you adjust DNS. The example given is `rancher.cyberstrawberry.net`. Also be sure to adjust the "*hostname*" variable to reflect the FQDN of the cluster. This is important for the last step where you adjust DNS. The example given is `rancher.bunny-lab.io`.
## Create Additional ControlPlane Node(s) ## Create Additional ControlPlane Node(s)
This is the part where you can add additional controlplane nodes to add additional redundancy to the RKE2 Cluster. This is important for high-availability environments. This is the part where you can add additional controlplane nodes to add additional redundancy to the RKE2 Cluster. This is important for high-availability environments.
@ -125,12 +125,12 @@ systemctl start rke2-agent.service
``` ```
## DNS Server Record ## DNS Server Record
You will need to set up some kind of DNS server record to point the FQDN of the cluster (e.g. `rancher.cyberstrawberry.net`) to the IP address of the Initial ControlPlane. This can be achieved in a number of ways, such as editing the Windows `HOSTS` file, Linux's `/etc/resolv.conf` file, a Windows DNS Server "A" Record, or an NGINX/Traefik Reverse Proxy. You will need to set up some kind of DNS server record to point the FQDN of the cluster (e.g. `rancher.bunny-lab.io`) to the IP address of the Initial ControlPlane. This can be achieved in a number of ways, such as editing the Windows `HOSTS` file, Linux's `/etc/resolv.conf` file, a Windows DNS Server "A" Record, or an NGINX/Traefik Reverse Proxy.
Once you have added the DNS record, you should be able to access the login page for the Rancher RKE2 Kubernetes cluster. Use the `bootstrapPassword` mentioned previously to log in, then change it immediately from the user management area of Rancher. Once you have added the DNS record, you should be able to access the login page for the Rancher RKE2 Kubernetes cluster. Use the `bootstrapPassword` mentioned previously to log in, then change it immediately from the user management area of Rancher.
| TYPE OF ACCESS | FQDN | IP ADDRESS | | TYPE OF ACCESS | FQDN | IP ADDRESS |
| -------------- | ------------------------------------- | ------------ | | -------------- | ------------------------------------- | ------------ |
| HOST FILE | rancher.cyberstrawberry.net | 192.168.3.21 | | HOST FILE | rancher.bunny-lab.io | 192.168.3.10 |
| REVERSE PROXY | http://rancher.cyberstrawberry.net:80 | 192.168.5.29 | | REVERSE PROXY | http://rancher.bunny-lab.io:80 | 192.168.5.29 |
| DNS RECORD | A Record: rancher.cyberstrawberry.net | 192.168.3.21 | | DNS RECORD | A Record: rancher.bunny-lab.io | 192.168.3.10 |