Files
deb-python-dcos/cli/dcoscli/task/main.py

107 lines
2.3 KiB
Python

"""Get the status of DCOS tasks
Usage:
dcos task --info
dcos task [--completed --json <task>]
Options:
-h, --help Show this screen
--info Show a short description of this subcommand
--json Print json-formatted tasks
--completed Show completed tasks as well
--version Show version
Positional Arguments:
<task> Only match tasks whose ID matches <task>. <task> may be
a substring of the ID, or a unix glob pattern.
"""
import dcoscli
import docopt
from dcos import cmds, emitting, mesos, util
from dcos.errors import DCOSException
from dcoscli import tables
logger = util.get_logger(__name__)
emitter = emitting.FlatEmitter()
def main():
try:
return _main()
except DCOSException as e:
emitter.publish(e)
return 1
def _main():
util.configure_logger_from_environ()
args = docopt.docopt(
__doc__,
version="dcos-task version {}".format(dcoscli.version))
return cmds.execute(_cmds(), args)
def _cmds():
"""
:returns: All of the supported commands
:rtype: [Command]
"""
return [
cmds.Command(
hierarchy=['task', '--info'],
arg_keys=[],
function=_info),
cmds.Command(
hierarchy=['task'],
arg_keys=['<task>', '--completed', '--json'],
function=_task),
]
def _info():
"""Print task cli information.
:returns: process return code
:rtype: int
"""
emitter.publish(__doc__.split('\n')[0])
return 0
def _task(fltr, completed, json_):
"""List DCOS tasks
:param fltr: task id filter
:type fltr: str
:param completed: If True, include completed tasks
:type completed: bool
:param json_: If True, output json. Otherwise, output a human
readable table.
:type json_: bool
:returns: process return code
"""
if fltr is None:
fltr = ""
tasks = sorted(mesos.get_master().tasks(completed=completed, fltr=fltr),
key=lambda task: task['name'])
if json_:
emitter.publish([task.dict() for task in tasks])
else:
table = tables.task_table(tasks)
output = str(table)
if output:
emitter.publish(output)
return 0