#!/bin/bash
set -eu
export KUBECONFIG=/root/.kube/config
pkill -f 'docker pull ghcr.io/flannel-io/flannel' || true
kubectl delete ds -n kube-flannel kube-flannel-ds --ignore-not-found
mkdir -p /etc/cni/net.d
cat > /etc/cni/net.d/10-bridge.conflist << 'EOF'
{
  "cniVersion": "1.0.0",
  "name": "k8s-pod-network",
  "plugins": [
    {
      "type": "bridge",
      "bridge": "cni0",
      "isGateway": true,
      "ipMasq": true,
      "promiscMode": true,
      "ipam": {
        "type": "host-local",
        "ranges": [[{"subnet": "10.244.0.0/24"}]],
        "routes": [{"dst": "0.0.0.0/0"}]
      }
    },
    {
      "type": "portmap",
      "capabilities": {"portMappings": true}
    }
  ]
}
EOF
systemctl restart kubelet
ok=0
for i in $(seq 1 36); do
  ready=$(kubectl get node prod102 -o jsonpath='{.status.conditions[?(@.type=="Ready")].status}' || true)
  echo "ready=$ready"
  if [ "$ready" = "True" ]; then
    ok=1
    break
  fi
  sleep 5
done
kubectl get nodes -o wide
kubectl get pods -A -o wide
if [ "$ok" != "1" ]; then
  echo NODE_STILL_NOT_READY
  exit 1
fi
echo CONTROL_PLANE_OK