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shell

Overview

Runs commands on the remote host.

Similar to command except that it runs commands through a shell /bin/sh.

Examples

def test_fun(duthosts, rand_one_dut_hostname):
    duthost = duthosts[rand_one_dut_hostname]

    free_form_ret = duthost.shell("ls -ltr")
    cmd_ret = duthost.shell(cmd="ls -ltr")

Arguments

  • chdir - change into specified directory before running command
    • Required: False
    • Type: String
  • cmd - The command to be run as a string with space dilineated options.
    • Required: True if free-form argument is not provided, False otherwise
    • Type: String
  • creates - filename. If a matching file already exists, command will not be run.
    • Required: False
    • Type: String
  • removes - filename. If matching file exists, command will be run
    • Required: False
    • Type: String
  • stdin - Set the stdin command directly to the specified value
    • Required: False
    • Type: String
  • stdin_add_newline - if True, newline is appended to stdin data
    • Required: False
    • Type: Boolean
    • Default: True
  • warn - Enable or disable task warnings (deprecated)
    • Required: False
    • Type: Boolean
    • Default: False

Expected Output

Dictionary with information on command output:

  • cmd - the command executed by task
  • delta - the command execution time
  • end - The command end time
  • msg - whether the associated task was in a changed state
  • rc - return code for command
  • start - the command execution start time
  • stderr - The standard error as a string
  • stderr_lines- The standard error as a list of strings
  • stdout - the standard output as a string
  • stdout_lines - the standard output as a list of strings