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`vboxmanage list hostonlyifs` 创建仅主机接口

tag-icon • tag-icon virtualbox virtualization ansible virtual-network
`vboxmanage list hostonlyifs` 创建仅主机接口

如果我vboxmanage list hostonlyifs在 shell 中运行，我会得到以下输出：

$ vboxmanage list hostonlyifs
Name:            vboxnet0
GUID:            786f6276-656e-4074-8000-0a0027000000
DHCP:            Disabled
IPAddress:       192.168.56.1
NetworkMask:     255.255.255.0
IPV6Address:
IPV6NetworkMaskPrefixLength: 0
HardwareAddress: 0a:00:27:00:00:00
MediumType:      Ethernet
Wireless:        No
Status:          Down
VBoxNetworkName: HostInterfaceNetworking-vboxnet0

这正是我所期望的：单一界面。

现在，如果我在 Ansible 剧本中运行完全相同的命令：

$ cat prepare_virtualbox.yml
- hosts: localhost
  gather_facts: false
  connection: local
  tasks:
    - name: check if the host only interface already exists
      shell: vboxmanage list hostonlyifs
      register: hostonlyifs
      changed_when: false

$ ansible-playbook prepare_virtualbox.yml

PLAY [localhost] *****************************************************************

TASK [check if the host only interface already exists] ***************************
ok: [localhost]

PLAY RECAP ***********************************************************************
localhost                  : ok=1    changed=0    unreachable=0    failed=0    skipped=0    rescued=0    ignored=0

奇怪的事情发生了：创建了额外的主机专用接口！如果我vboxmanage list hostonlyifs再次运行，它会列出三个接口：

$ vboxmanage list hostonlyifs
Name:            vboxnet0
GUID:            786f6276-656e-4074-8000-0a0027000000
DHCP:            Disabled
IPAddress:       192.168.56.1
NetworkMask:     255.255.255.0
IPV6Address:
IPV6NetworkMaskPrefixLength: 0
HardwareAddress: 0a:00:27:00:00:00
MediumType:      Ethernet
Wireless:        No
Status:          Down
VBoxNetworkName: HostInterfaceNetworking-vboxnet0

Name:            vboxnet1
GUID:            786f6276-656e-4174-8000-0a0027000001
DHCP:            Disabled
IPAddress:       192.168.57.1
NetworkMask:     255.255.255.0
IPV6Address:
IPV6NetworkMaskPrefixLength: 0
HardwareAddress: 0a:00:27:00:00:01
MediumType:      Ethernet
Wireless:        No
Status:          Down
VBoxNetworkName: HostInterfaceNetworking-vboxnet1

Name:            vboxnet2
GUID:            786f6276-656e-4274-8000-0a0027000002
DHCP:            Disabled
IPAddress:       192.168.58.1
NetworkMask:     255.255.255.0
IPV6Address:
IPV6NetworkMaskPrefixLength: 0
HardwareAddress: 0a:00:27:00:00:02
MediumType:      Ethernet
Wireless:        No
Status:          Down
VBoxNetworkName: HostInterfaceNetworking-vboxnet2

如果我再次运行剧本，则不会创建新的接口。但是，如果我删除上述三个中的任何一个（例如，删除vboxmanage hostonlyif remove vboxnet1），则当我再次运行剧本时，它会重新创建。

什么原因导致这种情况发生？我该如何进一步排除故障？

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