获得命令的帮助

例如，以下命令显示常规 DCV SM CLI 选项和可用顶级命令的帮助。

dcvsm --help

以下示例显示 CLI 帮助输出。

Usage: dcvsm [OPTIONS] COMMAND [ARGS]...

  Amazon DCV Session Manager CLI

Options:
  --conf TEXT           Name of the configuration file to read the
                        configuration parameters
  --broker-url TEXT     The URL of the broker
  --debug               Specify to enable the debug mode. By default is
                        disabled
  --no-verify-ssl       Specify to disable the verification of SSL
                        certification. By default is enabled
  --output-format TEXT  Specify the format of the output
  --ca-bundle TEXT      Specifies the path to a custom certificate bundle 
                        (a file with a .pem extension) of CA to use when 
                        establishing SSL/TLS connections
  --auth-server TEXT    URL of the authentication server used to request
                        the token
  --version             Show the version and exit.
  -h, --help            Show this message and exit.

Commands:
  close-servers                 Closes one or more Amazon DCV server
  create-session               Creates a new Amazon DCV session
  delete-session               Deletes the specified Amazon DCV session
  describe-servers             Describes one or more Amazon DCV servers
  describe-sessions            Describes one or more Amazon DCV sessions
  get-session-connection-data  Gets connection data for a specific Amazon DCV session.
  get-session-screenshots      Gets screenshots of one or more Amazon DCV sessions.
  open-servers                 Opens one or more Amazon DCV servers
  update-session-permissions   Updates the user permissions for a specific Amazon DCV session.

所有命令都接受 --help 以获取上下文帮助信息。例如，以下命令显示 create-session 命令的帮助。

dcvsm create-session --help

以下示例显示 create-session --help 命令的输出。

Usage: dcvsm create-session [OPTIONS]

  Create sessions API

Options:
  --name TEXT                     The name for the session  [required]
  --owner TEXT                    The name of the session owner  [required]
  --type TEXT                     Session type: CONSOLE|VIRTUAL  [required]
  --init-file-path TEXT           Supported with virtual sessions on Linux
                                  Amazon DCV servers
  --autorun-file TEXT             The path to a file on the host server that
                                  is to be run inside the session
  --autorun-file-arguments TEXT   Command-line arguments passed to AutorunFile
                                  upon its execution inside the session
  --max-concurrent-clients INTEGER RANGE
                                  The maximum number of concurrent Amazon DCV
                                  clients, if provided must be between 1 and
                                  100 [1<=x<=100]
  --dcv-gl-enabled                Indicates whether the virtual session is
                                  configured to use hardware-based OpenGL.
                                  Specify to enable it, by default is disabled
  --permissions-file TEXT         The Base64-encoded contents of the
                                  permissions file
  --requirements TEXT             The requirements that the server must
                                  satisfy in order to place the session
  --storage-root TEXT             Specifies the path to the folder used for
                                  session storage
  -h, --help                          Show this message and exit.