From 318f6adc5d2143990742b9ef495b7fc9bf867c0b Mon Sep 17 00:00:00 2001
From: root <root@demo.everythingkubernetes.info>
Date: Sun, 23 Jul 2023 20:34:25 -0600
Subject: [PATCH] Added loadbalancer, ingress and registry to kind deployment

---
 kind-with-registry.sh | 72 +++++++++++++++++++++++++++++++++++++++++++
 metallb.templ         | 14 +++++++++
 2 files changed, 86 insertions(+)
 create mode 100755 kind-with-registry.sh
 create mode 100644 metallb.templ

diff --git a/kind-with-registry.sh b/kind-with-registry.sh
new file mode 100755
index 0000000..922764b
--- /dev/null
+++ b/kind-with-registry.sh
@@ -0,0 +1,72 @@
+#!/usr/bin/env bash
+set -o errexit
+export PATH=$PATH:$(go env GOPATH)/bin
+
+reg_name="kind-registry"
+reg_port="5001"
+
+if [ "$(podman inspect -f '{{.State.Running}}' ${reg_name} 2>/dev/null || true)" != 'true' ]; then
+	podman run -d -p "127.0.0.1:${reg_port}:5000" --name "${reg_name}" registry:2
+fi
+
+kind get clusters -q | egrep '^ek-demo$' >/dev/null || cat <<EOF | kind create cluster -n ek-demo --image kindest/node:v1.24.15 --kubeconfig .kube/config --config=-
+kind: Cluster
+apiVersion: kind.x-k8s.io/v1alpha4
+containerdConfigPatches:
+- |-
+  [plugins."io.containerd.grpc.v1.cri".registry]
+    config_path = "/etc/containerd/certs.d"
+nodes:
+- role: control-plane
+  kubeadmConfigPatches:
+  - |
+    kind: InitConfiguration
+    nodeRegistration:
+      kubeletExtraArgs:
+        node-labels: "ingress-ready=true"
+  extraPortMappings:
+  - containerPort: 80
+    hostPort: 80
+    protocol: TCP
+  - containerPort: 443
+    hostPort: 443
+    protocol: TCP
+- role: worker
+- role: worker
+- role: worker
+EOF
+
+REGISTRY_DIR="/etc/containerd/certs.d/localhost:${reg_port}"
+for node in $(kind get nodes -q --name staticweb); do
+  podman exec "${node}" mkdir -p "${REGISTRY_DIR}"
+  cat <<EOF | podman exec -i "${node}" cp /dev/stdin "${REGISTRY_DIR}/hosts.toml"
+[host."http://${reg_name}:5000"]
+EOF
+done
+
+if [ "$(podman inspect -f='{{json .NetworkSettings.Networks.kind}}' ${reg_name})" = 'null' ]; then
+  podman network connect "kind" "${reg_name}"
+fi
+
+cat <<EOF | podman run -i --net host -h utility -v .kube/:/root/.kube/:Z -v ./:/work:Z -w /work utility kubectl apply -f -
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: local-registry-hosting
+  namespace: kube-public
+data:
+  localRegistryHosting.v1: |
+    host: "localhost:${reg_port}"
+    help: "https://kind.sigs.k8s.io/docs/user/local-registry/"
+EOF
+
+podman run -i --net host -h utility -v .kube/:/root/.kube/:Z -v ./:/work:Z -w /work utility kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/v0.13.7/config/manifests/metallb-native.yaml
+podman run -i --net host -h utility -v .kube/:/root/.kube/:Z -v ./:/work:Z -w /work utility kubectl wait --namespace metallb-system --for=condition=ready pod --selector=app=metallb --timeout=90s
+export RANGESTART=$(podman network inspect -f '{{range .Subnets}}{{if eq (len .Subnet.IP) 4}}{{.Subnet}}{{end}}{{end}}' kind | cut -d. -f1-3)
+cat metallb.templ | envsubst | podman run -i --net host -h utility -v .kube/:/root/.kube/:Z -v ./:/work:Z -w /work utility kubectl apply -f -
+
+
+podman run -i --net host -h utility -v .kube/:/root/.kube/:Z -v ./:/work:Z -w /work utility kubectl apply -f https://projectcontour.io/quickstart/contour.yaml
+
+podman run -i --net host -h utility -v .kube/:/root/.kube/:Z -v ./:/work:Z -w /work utility kubectl patch daemonsets -n projectcontour envoy -p '{"spec":{"template":{"spec":{"nodeSelector":{"ingress-ready":"true"},"tolerations":[{"key":"node-role.kubernetes.io/control-plane","operator":"Equal","effect":"NoSchedule"},{"key":"node-role.kubernetes.io/master","operator":"Equal","effect":"NoSchedule"}]}}}}'
+
diff --git a/metallb.templ b/metallb.templ
new file mode 100644
index 0000000..15918d5
--- /dev/null
+++ b/metallb.templ
@@ -0,0 +1,14 @@
+apiVersion: metallb.io/v1beta1
+kind: IPAddressPool
+metadata:
+  name: staticweb
+  namespace: metallb-system
+spec:
+  addresses:
+  - ${RANGESTART}.200-${RANGESTART}.250
+---
+apiVersion: metallb.io/v1beta1
+kind: L2Advertisement
+metadata:
+  name: staticweb-l2
+  namespace: metallb-system