Create kind cluster + projectcontour ingress controller

grahical-install.sh

#!/bin/bash

# Check helm, kubectl and kind
NEEDED=""
for cmd in helm kubectl kind pkexec; do
    if ! command -v $cmd >/dev/null 2>&1; then
        NEEDED="$NEEDED $cmd"
    fi
done
if [ -n "$NEEDED" ]; then
    echo "Please install $NEEDED"
    exit 1
fi

# check if a kind cluster is present
if kind get clusters | grep -q kind; then
    zenity --question --title="Kind cluster present" --text="A kind cluster is present, do you want to delete it?"
    if [ $? -ne 0 ]; then
        exit 1
    fi
fi


# check if the user can open 80 and 443 ports
if [ $(sysctl -n net.ipv4.ip_unprivileged_port_start) -gt 80 ]; then
    zenity --question --title="Ports 80 and 443" --text="Ports 80 and 443 are not open for unprivileged users, you need to run this as root or whith sudo privileges:\n\nsysctl -w net.ipv4.ip_unprivileged_port_start=80\n\nWould you like to apply this? (It will ask for your sudo password)" 
    if [ $? -ne 0 ]; then
        exit 1
    fi
    pkexec sysctl -w net.ipv4.ip_unprivileged_port_start=80
    if [ $? -ne 0 ]; then
        zenity --error --title="Error" --text="Error running sysctl"
        exit 1
    fi
fi

set -ex
(
# start zenity progress pulstation in background and wait message from fifo
echo "# Droping Kind Cluster"
kind delete cluster >/dev/null 2>&1

echo "# Creating Kind Cluster"
>/dev/null kind create cluster --config - <<EOF
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
nodes:
- role: control-plane
  extraPortMappings:
  - containerPort: 80
    hostPort: 80
  - containerPort: 443
    hostPort: 443
EOF

echo "# Waiting for cluster to be ready"
kubectl wait --for=condition=Ready nodes --all --timeout=60s >/dev/null 2>&1

echo "# Installihtmlng Ingress Controller"
helm upgrade --install \
    -n projectcontour --create-namespace \
    contour oci://registry-1.docker.io/bitnamicharts/contour >/dev/null 2>&1

echo "100") | zenity --progress --title="Creating Kind Cluster" --text="Creating Kind Cluster" --auto-close --pulsate

zenity --info --title="Kind cluster created" --text="Kind cluster created, you can use it now."