Prometheus (scraping monitor)

apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: prometheus
  namespace: monitoring
  labels:
    kguardian.dev/managed-by: kguardian
    kguardian.dev/version: v1.0.0
spec:
  podSelector:
    matchLabels:
      app.kubernetes.io/name: prometheus
  policyTypes:
    - Ingress
    - Egress
  ingress:
    - from:
        - podSelector:
            matchLabels:
              app.kubernetes.io/name: grafana
      ports:
        - protocol: TCP
          port: 9090
  egress:
    - to:
        - namespaceSelector: {}
      ports:
        - protocol: TCP
          port: 8080
        - protocol: TCP
          port: 9100
        - protocol: TCP
          port: 9153
        - protocol: TCP
          port: 10250
    - to:
        - ipBlock:
            cidr: 10.96.0.1/32
      ports:
        - protocol: TCP
          port: 6443
    - to:
        - namespaceSelector:
            matchLabels:
              kubernetes.io/metadata.name: kube-system
          podSelector:
            matchLabels:
              k8s-app: kube-dns
      ports:
        - protocol: UDP
          port: 53

apiVersion: cilium.io/v2
kind: CiliumNetworkPolicy
metadata:
  name: prometheus
  namespace: monitoring
  labels:
    kguardian.dev/managed-by: kguardian
    kguardian.dev/version: v1.0.0
spec:
  endpointSelector:
    matchLabels:
      app.kubernetes.io/name: prometheus
  ingress:
    - fromEndpoints:
        - matchLabels:
            app.kubernetes.io/name: grafana
      toPorts:
        - ports:
            - port: "9090"
              protocol: TCP
  egress:
    - toEndpoints:
        - {}
      toPorts:
        - ports:
            - port: "8080"
              protocol: TCP
            - port: "9100"
              protocol: TCP
            - port: "9153"
              protocol: TCP
            - port: "10250"
              protocol: TCP
    - toEntities:
        - kube-apiserver
      toPorts:
        - ports:
            - port: "6443"
              protocol: TCP

{
  "defaultAction": "SCMP_ACT_ERRNO",
  "architectures": ["SCMP_ARCH_X86_64"],
  "syscalls": [
    {
      "names": [
        "accept4", "bind", "close", "connect", "epoll_create1",
        "epoll_ctl", "epoll_pwait", "fdatasync", "fsync",
        "futex", "getrandom", "listen", "newfstatat", "openat",
        "pread64", "pwrite64", "read", "recvfrom", "sendto",
        "setsockopt", "socket", "write"
      ],
      "action": "SCMP_ACT_ALLOW"
    },
    {
      "names": [
        "clone", "execve", "exit_group", "mmap", "mprotect",
        "munmap", "rt_sigaction", "rt_sigreturn"
      ],
      "action": "SCMP_ACT_ALLOW"
    }
  ]
}