VMware Tools 12.2.0

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Configure ContainerInfo for Linux

The containerinfo plugin gathers the list of running containers inside the Linux guest.
  1. Retrieving data:
     For Linux guest, the data collected by containerinfo plugin is retrieved as follows:
    vmtoolsd --cmd "info-get guestinfo.vmtools.containerinfo"
  2. Changing poll-interval:
     For Linux guest, the containerinfo plugin captures information in every 6 hours by default.
    Guest admin can configure this poll-interval at anytime as follows:
    vmware-toolbox-cmd config set containerinfo poll-interval <new value in seconds>
    To revert the containerinfo poll-interval to default value, run the following command:
    vmware-toolbox-cmd config remove containerinfo poll-interval
  3. Querying container information:
     For Linux guest, the number of containers queried per namespace can be limited to a value as follows:
    vmware-toolbox-cmd config set containerinfo max-containers <value>
    The default value for max-containers is 100. The containerinfo plugin will stop collecting information after it collects information from 100 containers.
  4. Communicate with docker daemon (docker-unix-socket):
     The docker unix socket is used to communicate with the docker daemon. Default is
    /var/run/docker.sock
    • This key is specific to docker users.
    • The default value can be overridden using
      vmware-toolbox-cmd
      :
      vmware-toolbox-cmd config set docker-unix-socket <path of the socket>
  5. Communicate with containerd gRPC server (containerd-unix-socket):
     The containerd unix socket is used to communicate with the containerd gRPC server. Default is
    /run/containerd/containerd.sock
    • The default value can be overridden using
      vmware-toolbox-cmd
      :
      vmware-toolbox-cmd config set containerd-unix-socket <path of the socket>
  6. Disabling the containerinfo plugin:
    To disable the containerinfo gather loop set the poll-interval=0
    vmware-toolbox-cmd config set containerinfo poll-interval 0

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