142-rancher-2.sh

# Source: https://gist.github.com/4e2fd2696ef7d5ce6a915a2eb2408e17

###################################################################
# How To Manage Production-Grade Kubernetes Clusters With Rancher #
# https://youtu.be/JFALdhtBxR8                                    #
###################################################################

# Additional Info:
# - Rancher: https://rancher.com/products/rancher
# - Rancher Fleet: GitOps Across A Large Number Of Kubernetes Clusters: https://youtu.be/rIH_2CUXmwM
# - How To Create, Provision, And Operate Kubernetes With Cluster API (CAPI): https://youtu.be/8yUDUhZ6ako
# - Rancher (the old version): https://youtu.be/LK6KbAlQRIg

#########
# Setup #
#########

# Create a Kubernetes cluster with Ingress
# Make sure that the cluster has at least 2 CPUs and 8 GB of RAM unallocated (available)

# Replace `[...]` with the external IP of the Ingress service
export INGRESS_HOST=[...]

# Replace `me@acme.com` with your email
export LE_EMAIL=me@acme.com

kubectl apply \
    --filename https://github.com/jetstack/cert-manager/releases/download/v1.5.1/cert-manager.crds.yaml

helm repo add jetstack https://charts.jetstack.io

helm repo update

helm upgrade --install \
    cert-manager jetstack/cert-manager \
    --namespace cert-manager \
    --create-namespace \
    --version v1.5.1

helm repo add rancher \
    https://releases.rancher.com/server-charts/stable

helm repo update

#############################
# Install And Setup Rancher #
#############################

helm upgrade --install \
    rancher rancher/rancher \
    --namespace cattle-system \
    --create-namespace \
    --set hostname=rancher.$INGRESS_HOST.nip.io \
    --set bootstrapPassword=admin \
    --set ingress.tls.source=letsEncrypt \
    --set letsEncrypt.email=$LE_EMAIL \
    --wait

echo "http://rancher.$INGRESS_HOST.nip.io"

# Open the output in a browser

# Finish the setup

# Use `admin` as the bootstrap password for the Rancher server

####################################################
# GitOps And Continuous Delivery (CD) With Rancher #
####################################################

kubectl --namespace production get all,ingresses