Chef Infra Language: Shelling Out
In most cases when you need to run a particular command in a cookbook, you’ll want to use the execute resource. Helper methods for shelling out can be useful when writing custom resources or other more advanced Ruby code.
shell_out
The shell_out
method can be used to run a command against the node, and then display the output to the console when the log level is set to debug
.
The syntax for the shell_out
method is as follows:
shell_out(command_args)
where command_args
is the command that is run against the node.
shell_out!
The shell_out!
method can be used to run a command against the node, display the output to the console when the log level is set to debug
, and then raise an error when the method returns false
.
The syntax for the shell_out!
method is as follows:
shell_out!(command_args)
where command_args
is the command that is run against the node. This method will return true
or false
.