digraph G {
    compound=true;
  subgraph cluster_server1 {
      label = "node name: n1"
      #style = dashed
        style="filled,solid,bold";
        color="#b3b3b3";
        fillcolor="#f5f5f5";
        labeljust="l"; 

    spire_server_1[label=<<table border="0"><tr><td><b>SPIRE Server A</b></td></tr><tr><td align="left"><font point-size="9">NodeAttestors: tpm</font></td></tr></table>>,shape="record",style="rounded,solid,filled,bold",color="#6c8ebf",fillcolor="#dae8fc"]
  }

  subgraph cluster_ps1 {
      label = "Control Plane Node: X"
      #style = dashed
        style="filled,solid,bold";
        color="#b3b3b3";
        fillcolor="#f5f5f5";
        labeljust="l"; 

    pod_spire_server_1[label=<<table border="0"><tr><td><b>K8s SPIRE Server A</b></td></tr><tr><td align="left"><font point-size="9">NodeAttestors: x509pop</font></td></tr></table>>,shape="record",style="rounded,solid,filled,bold",color="#6c8ebf",fillcolor="#dae8fc"]
  }

  subgraph cluster_ps2 {
      label = "Control Plane Node: Y"
      #style = dashed
        style="filled,solid,bold";
        color="#b3b3b3";
        fillcolor="#f5f5f5";
        labeljust="l"; 

    pod_spire_server_2[label=<<table border="0"><tr><td><b>K8s SPIRE Server B</b></td></tr><tr><td align="left"><font point-size="9">NodeAttestors: x509pop</font></td></tr></table>>,shape="record",style="rounded,solid,filled,bold",color="#6c8ebf",fillcolor="#dae8fc"]
  }


  subgraph cluster_server2 {

      label = "node name: n2"
      #style = dashed
        style="filled,solid,bold";
        color="#b3b3b3";
        fillcolor="#f5f5f5";
        labeljust="l"; 
    spire_server_2[label=<<table border="0"><tr><td><b>SPIRE Server B</b></td></tr><tr><td align="left"><font point-size="9">NodeAttestors: tpm</font></td></tr></table>>,shape="record",style="rounded,solid,filled,bold",color="#6c8ebf",fillcolor="#dae8fc"]
  }

  
  subgraph cluster_node3 {
      label = "node name: n3"
      #style = dashed
        style="filled,solid,bold";
        color="#b3b3b3";
        fillcolor="#f5f5f5";
        labeljust="l"; 

      subgraph cluster_node1_systemd {
          #label = "Systemd"
          label = "systemd managed"
          style = "dashed,filled"
          color="#939393";
          fillcolor="#d5d5d5";

       labeljust="l"; 

          spire_agent1[label=<<table border="0"><tr><td><b>SPIRE Agent A</b></td></tr><tr><td align="left"><font point-size="9">NodeAttestor: tpm</font></td></tr><tr><td align="left"><font point-size="9">WorkloadAttestor: systemd</font></td></tr><tr><td align="left"><font point-size="9">systemd: spire-agent@.service</font></td></tr></table>>,shape="record",style="rounded,solid,filled,bold",color="#82b366",fillcolor="#d5e8d4"]
          spire_agent2[label=<<table border="0"><tr><td><b>SPIRE Agent B</b></td></tr><tr><td align="left"><font point-size="9">NodeAttestor: tpm</font></td></tr><tr><td align="left"><font point-size="9">WorkloadAttestor: systemd</font></td></tr><tr><td align="left"><font point-size="9">systemd: spire-agent@.service</font></td></tr></table>>,shape="record",style="rounded,solid,filled,bold",color="#82b366",fillcolor="#d5e8d4"]
    subgraph cluster_tb {
        label=""
        style="invis"
          spire_ha_agent[label=<<table border="0"><tr><td><b>SPIRE HA Agent</b></td></tr><tr><td align="left"><font point-size="9">systemd: spire-ha-agent@.service</font></td></tr></table>>,shape="record",style="rounded,solid,filled,bold",color="#82b366",fillcolor="#d5e8d4"]
subgraph cluster_storage {
          #spire_ha_agent_state_a[label="Trust Bundle A", shape=note,style="rounded,solid,filled,bold",fillcolor="#ffffff"]
          #spire_ha_agent_state_b[label="Trust Bundle B", shape=note,style="rounded,solid,filled,bold",fillcolor="#ffffff"]
}
    }
          sshd1[label="sshd",shape="box",style="rounded,solid,filled,bold",color="#d6b656",fillcolor="#fff2cc"]
          kubelet1[label="kubelet",shape="box",style="rounded,solid,filled,bold",color="#d6b656",fillcolor="#fff2cc"]
          k8s_spire_server_a[label=<<table border="0"><tr><td><b>K8s SPIRE Agent A Identity</b></td></tr><tr><td align="left"><font point-size="9">systemd: spiffe-socat-unix@k8s-spire-agent-a</font></td></tr><tr><td align="left"><font point-size="9">tool: socat</font></td></tr></table>>,shape="box",style="rounded,solid,filled,bold",color="#d79b00",fillcolor="#ffe6cc"]
          k8s_spire_server_b[label=<<table border="0"><tr><td><b>K8s SPIRE Agent B Identity</b></td></tr><tr><td align="left"><font point-size="9">systemd: spiffe-socat-unix@k8s-spire-agent-b</font></td></tr><tr><td align="left"><font point-size="9">tool: socat</font></td></tr></table>>,shape="box",style="rounded,solid,filled,bold",color="#d79b00",fillcolor="#ffe6cc"]
      }

      subgraph cluster_node1_k8s {
          #label = "Systemd"
          label = "k8s managed"
          style = "dashed,filled"
          color="#939393";
          fillcolor="#d5d5d5";

       labeljust="l"; 

  //  k8s_upstream_csi_a[label=<<table border="0"><tr><td><b>Downstream CSI A</b></td></tr><tr><td align="left"><font point-size="9">path: /var/run/spiffe/socat/unix/k8s-spire-server-a/public/agent.sock</font></td></tr></table>>,shape="box",style="rounded,solid,filled,bold",color="#d79b00",fillcolor="#ffe6cc"]
  //  k8s_upstream_csi_b[label=<<table border="0"><tr><td><b>Downstream CSI B</b></td></tr><tr><td align="left"><font point-size="9">path: /var/run/spiffe/socat/unix/k8s-spire-server-b/public/agent.sock</font></td></tr></table>>,shape="box",style="rounded,solid,filled,bold",color="#d79b00",fillcolor="#ffe6cc"]

    k8s_downstream_csi[label=<<table border="0"><tr><td><b>Downstream CSI</b></td></tr><tr><td align="left"><font point-size="9">path: /var/run/spire/agent-sockets/spire-agent.sock</font></td></tr></table>>,shape="box",style="rounded,solid,filled,bold",color="#d79b00",fillcolor="#ffe6cc"]

    spire_server_n1[label=<<table border="0"><tr><td><b>K8s SPIRE Agent A</b></td></tr><tr><td align="left"><font point-size="9">systemd: spire-ha-agent@.service</font></td></tr></table>>,shape="record",style="rounded,solid,filled,bold",color="#82b366",fillcolor="#d5e8d4"]

    spire_server_n2[label=<<table border="0"><tr><td><b>K8s SPIRE Agent B</b></td></tr><tr><td align="left"><font point-size="9">systemd: spire-ha-agent@.service</font></td></tr></table>>,shape="record",style="rounded,solid,filled,bold",color="#82b366",fillcolor="#d5e8d4"]


              spire_ha_agent_pod[label=<<table border="0"><tr><td><b>SPIRE HA Agent</b></td></tr><tr><td align="left"><font point-size="9">systemd: spire-ha-agent@.service</font></td></tr></table>>,shape="record",style="rounded,solid,filled,bold",color="#82b366",fillcolor="#d5e8d4"]
          pod1[label="pod",shape="box",style="rounded,solid,filled,bold",color="#d6b656",fillcolor="#fff2cc"]
          pod2[label="pod",shape="box",style="rounded,solid,filled,bold",color="#d6b656",fillcolor="#fff2cc"]
          pod3[label="pod",shape="box",style="rounded,solid,filled,bold",color="#d6b656",fillcolor="#fff2cc"]
      }
  }
  
  spire_server_1 -> spire_agent1[dir=back]
  spire_server_2 -> spire_agent2[dir=back]
  spire_agent1 -> spire_ha_agent[dir=back]
  spire_agent2 -> spire_ha_agent[dir=back]
  spire_ha_agent -> sshd1[dir=back]
  spire_ha_agent -> kubelet1[dir=back]
  spire_agent1 -> k8s_spire_server_a[dir=back]
  spire_agent2 -> k8s_spire_server_b[dir=back]

  spire_server_1 -> pod_spire_server_1[dir=back]
  spire_server_2 -> pod_spire_server_2[dir=back]

  //k8s_spire_server_a -> k8s_upstream_csi_a[dir=back]
  k8s_spire_server_a -> spire_server_n1[dir=back]
  k8s_spire_server_b -> spire_server_n2[dir=back]
 // k8s_upstream_csi_b -> k8s_spire_server_b

//  k8s_upstream_csi_a -> spire_server_n1[dir=back]
 // k8s_upstream_csi_b -> spire_server_n2[dir=back]
//  k8s_spire_server_b -> spire_server_n2[dir=back]

  //kubelet1 -> cluster_node1_k8s
  kubelet1 -> spire_server_n1 [lhead=cluster_node1_k8s, style=dotted]
  pod_spire_server_1 -> spire_server_n1 [dir=back]
  pod_spire_server_2 -> spire_server_n2 [dir=back]
  //kubelet1 -> spire_server_n1
  //kubelet1 -> spire_server_n2
   spire_server_n1 -> spire_ha_agent_pod [dir=back]
   spire_server_n2 -> spire_ha_agent_pod [dir=back]

   spire_ha_agent_pod -> k8s_downstream_csi [dir=back]
    k8s_downstream_csi -> pod1 [dir=back]
    k8s_downstream_csi -> pod2 [dir=back]
    k8s_downstream_csi -> pod3 [dir=back]
//  spire_ha_agent -> spire_ha_agent_state[dir=both, constraint=false]
 // spire_ha_agent_state_a -> spire_ha_agent_state_b 
  //spire_agent1 -> spire_ha_agent_state_a
  //spire_agent2 -> spire_ha_agent_state_b
  //spire_ha_agent_state_a -> spire_ha_agent
  //spire_ha_agent_state_b -> spire_ha_agent
}