如何允许 GCE 中私有实例之间的通信

如何解决如何允许 GCE 中私有实例之间的通信

这是用例：

不允许使用外部 IP
存在 GCP 项目的自定义 VPC
实例 A 有一个应用程序正在运行
实例 B 被视为客户端
SQL 实例 C 也在 VPC 上，并且只有内部 IP

目标是让 B 向 A 发送 HTTP 请求，以便 A 向 SQL 实例 C 发送查询。

在这种情况下要完成哪些联网步骤？（只有防火墙问题，因为所有实例都在同一个网络上？如果是，防火墙的规则是什么？）

如果 GCP 中的其他服务器位于同一 VPC 上，为什么我们无法 ping 通它们？

谢谢

VPS 防火墙设置：

[
{
  "allowed": [
    {
      "IPProtocol": "tcp","ports": [
        "22"
      ]
    },{
      "IPProtocol": "tcp","ports": [
        "3389"
      ]
    }
  ],"description": "Allow incoming traffic on IAP","direction": "INGRESS","disabled": false,"kind": "compute#firewall","logConfig": {
    "enable": false
  },"name": "fw-allow-iap","network": "https://www.googleapis.com/compute/v1/projects//global/networks/NETWORK_HERE","priority": 1000,"selfLink": "https://www.googleapis.com/compute/v1/projects//global/firewalls/fw-allow-iap","sourceRanges": [
    "35.235.240.0/20"
  ]
},{
  "allowed": [
    {
      "IPProtocol": "tcp","ports": [
        "80"
      ]
    }
  ],"description": "","name": "NETWORK_HERE-allow-http","selfLink": "https://www.googleapis.com/compute/v1/projects//global/firewalls/NETWORK_HERE-allow-http","sourceRanges": [
    "0.0.0.0/0"
  ],"targetTags": [
    "http-server"
  ]
},"ports": [
        "443"
      ]
    }
  ],"name": "NETWORK_HERE-allow-https","selfLink": "https://www.googleapis.com/compute/v1/projects//global/firewalls/NETWORK_HERE-allow-https","targetTags": [
    "https-server"
  ]
}
]

实例 B 设置：（实例 A 也有相同的设置）

{
"canIpForward": false,"confidentialInstanceConfig": {
  "enableConfidentialCompute": false
},"cpuPlatform": "Intel Haswell","deletionProtection": false,"disks": [
  {
    "autoDelete": true,"boot": true,"deviceName": "instance-1","diskSizeGb": "10","guestOsFeatures": [
      {
        "type": "UEFI_COMPATIBLE"
      },{
        "type": "VIRTIO_SCSI_MULTIQUEUE"
      }
    ],"index": 0,"interface": "SCSI","kind": "compute#attachedDisk","licenses": [
      "projects/debian-cloud/global/licenses/debian-10-buster"
    ],"mode": "READ_WRITE","source": "projects/PROJECT_ID/zones/europe-west1-b/disks/instance-1","type": "PERSISTENT"
  }
],"displayDevice": {
  "enableDisplay": false
},"kind": "compute#instance","machineType": "projects/PROJECT_ID/zones/europe-west1-b/machineTypes/e2-micro","metadata": {
  "fingerprint": "S0UuYvDZ4Tg=","kind": "compute#metadata"
},"name": "instance-1","networkInterfaces": [
  {
    "kind": "compute#networkInterface","name": "nic0","network": "projects/PROJECT_ID/global/networks/NETWORK_HERE","networkIP": "10.0.1.4","subnetwork": "projects/PROJECT_ID/regions/europe-west1/subnetworks/SUBNET_HERE"
  }
],"reservationAffinity": {
  "consumeReservationType": "ANY_RESERVATION"
},"scheduling": {
  "automaticRestart": true,"onHostMaintenance": "MIGRATE","preemptible": false
},"selfLink": "projects/PROJECT_ID/zones/europe-west1-b/instances/instance-1","serviceAccounts": [
  {
    "email": "PROJECT_ID-compute@developer.gserviceaccount.com","scopes": [
      "https://www.googleapis.com/auth/devstorage.read_only","https://www.googleapis.com/auth/logging.write","https://www.googleapis.com/auth/monitoring.write","https://www.googleapis.com/auth/servicecontrol","https://www.googleapis.com/auth/service.management.readonly","https://www.googleapis.com/auth/trace.append"
    ]
  }
],"shieldedInstanceConfig": {
  "enableIntegrityMonitoring": true,"enableSecureBoot": false,"enableVtpm": true
},"shieldedInstanceIntegrityPolicy": {
  "updateAutoLearnPolicy": true
},"startRestricted": false,"status": "RUNNING","tags": {
  "items": [
    "http-server","https-server"
  ]
},"zone": "projects/PROJECT_ID/zones/europe-west1-b"

}

如何允许 GCE 中私有实例之间的通信

如何解决如何允许 GCE 中私有实例之间的通信

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