def execute(self, node, cmd):
"""Executes a command on the host for the given *node* of type
`Node`_. Returns a tuple ``(success, output)`` in which ``success`` is
True if the command ran successfully and ``output`` is the combined
stdout/stderr output."""
result = execute.executeCmdsParallel([(node, cmd)])[0]
return (result[1], result[2])
def executeParallel(self, cmds):
"""Executes a set of commands in parallel on multiple hosts. ``cmds``
is a list of tuples ``(node, cmd)``, in which the *node* is a `Node`_
instance and *cmd* is a string with the command to execute for it. The
method returns a list of tuples ``(node, success, output)``, in which
``success`` is True if the command ran successfully and ``output`` is
the combined stdout/stderr output for the corresponding ``node``."""
return execute.executeCmdsParallel(cmds)
def executeParallel(self, cmds):
"""Executes a set of commands in parallel on multiple hosts. ``cmds``
is a list of tuples ``(node, cmd)``, in which the *node* is a `Node`_
instance and *cmd* is a string with the command to execute for it. The
method returns a list of tuples ``(node, success, output)``, in which
``success`` is True if the command ran successfully and ``output`` is
the combined stdout/stderr output for the corresponding ``node``."""
return execute.executeCmdsParallel(cmds)
def executeCmd(nodes, cmd):
hadError = False
for (node, success, output) in execute.executeCmdsParallel([(n, cmd) for n in nodes]):
out = output and "\n> ".join(output) or ""
util.output("[%s] %s\n> %s" % (node.name, (success and " " or "error"), out))
if not success:
hadError = True
return not hadError
def executeCmd(nodes, cmd):
for (node, success, output) in execute.executeCmdsParallel([(n, cmd) for n in nodes]):
util.output("[%s] %s\n> %s" % (node.name, (success and " " or "error"), "\n> ".join(output)))
def execute(self, node, cmd):
"""Executes a command on the host for the given *node* of type
`Node`_. Returns a tuple ``(success, output)`` in which ``success`` is
True if the command ran successfully and ``output`` is the combined
stdout/stderr output."""
return execute.executeCmdsParallel([node, cmd])
def executeCmd(nodes, cmd):
for (node, success,
output) in execute.executeCmdsParallel([(n, cmd) for n in nodes]):
util.output("[%s] %s\n> %s" %
(node.name,
(success and " " or "error"), "\n> ".join(output)))
