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NOCpulse::CommandShell.3pm
Langue: en
Version: 2009-02-19 (fedora - 05/07/09)
Section: 3 (Bibliothèques de fonctions)
NAME
NOCpulse::CommandShell - an abstract definition of a command shell interfaceSYNOPSIS
package NOCpulse::SSHRemoteCommandShell; use NOCpulse::CommandShell; @ISA=qw(NOCpulse::CommandShell); sub overview { return "This component give shell based probes access to a command shell via an SSH connection" } sub registerSwitches { my $self = shift(); $self->SUPER::registerSwitches; $self->addSwitch('sshuser','=s','1','nobody','Name of the user to log in as'); $self->addSwitch('sshhost','=s','1','localhost','Host to log into'); } sub initialize { my $self = shift(); $self->SUPER::initialize(shift()); if ($self->switchesAreValid) { $user = $self->switchValue('sshuser'); $host= $self->switchValue('sshhost'); $self->set_shellCommand('/usr/bin/ssh'); $self->set_shellSwitches('-l', $user, '-p','4545', '-i','%/var/lib/nocpulse/.ssh/nocpulse-identity', '-o','BatchMode=yes', $host, '/bin/sh -s'); } return $self; }
DESCRIPTION
NOCpulse::CommandShell is a subclass of CommandLineApplicationComponent that defines a framework for describing access to a command shell. By itself it knows nothing - you must subclass it for it to be useful (examples include NOCpulse::LocalCommandShell and NOCpulse::SSHRemoteCommandShell).REQUIRES
Perl 5.004, CommandLineApplicationComponent, IPC::Open3INSTANCE METHODS
- instVarDefinitions()
- Defines the following:
shellCommand - the program that gets executed in order to obtain the shell
shellSwitches - switches to the shell command
probeCommands - the command(s) that the user of the Command Shell wants to run
probeSwitches - (deprecated)
stdout - contains the stdout of the probeCommands after execution
stderr - contains the stderr of the probeCommands after execution
exit - the exit level of the probeCommands after execution
- initialize()
- execute()
- Executes probeCommands by passing them into the stdin of shellCommand (where shellCommand is executed with shellSwitches). It captures all stdout and stderr to their corresponding instance variables, and sets the exit instance variable to the exit status of probeCommands.
Both stdout and stderr will contain one string with zero or more newlines.
- set_shellSwitches(<@switchList>)
- Sets shellSwitches to the array of switches passed in. (Overrides normal Object set_xxx behavior)
- set_probeSwitches(<@switchList>)
- deprecated - don't use
- get_shellSwitches()
- Returns the shellSwitches array of switches. (Overrides normal Object set_xxx behavior)
- get_probeSwitches()
- deprecated - don't use
Contenus ©2006-2024 Benjamin Poulain
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