Commit fcc8ff83 authored by Łukasz Nowak's avatar Łukasz Nowak Committed by Łukasz Nowak

promise/plugin: Implement check_command_execute promise plugin

parent 61f54af9
from zope.interface import implementer
from slapos.grid.promise import interface
from slapos.grid.promise.generic import GenericPromise
import subprocess
@implementer(interface.IPromise)
class RunPromise(GenericPromise):
def __init__(self, config):
super(RunPromise, self).__init__(config)
# SR can set custom periodicity
self.setPeriodicity(float(self.getConfig('frequency', 2)))
def sense(self):
"""
Check result of the executed command
"""
command = self.getConfig('command')
try:
process = subprocess.Popen(
command,
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
out, _ = process.communicate()
status = process.returncode
except Exception as e:
self.logger.error(
"ERROR %r during running command %r" % (e, command))
return
if status != 0:
self.logger.error(
'ERROR %r run with failure, output: %r' % (command, out))
else:
self.logger.info("OK %r run with success" % (command,))
def anomaly(self):
return self._anomaly(result_count=3, failure_amount=3)
##############################################################################
#
# Copyright (c) 2019 Vifib SARL and Contributors. All Rights Reserved.
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsibility of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# guarantees and support are strongly adviced to contract a Free Software
# Service Company
#
# This program is Free Software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 3
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
##############################################################################
from slapos.grid.promise import PromiseError
from slapos.test.promise.plugin import TestPromisePluginMixin
import tempfile
import os
import six
import shutil
class TestCheckCommandExecute(TestPromisePluginMixin):
def _createScript(self, filename, content):
with open(filename, 'w') as fh:
fh.write(content)
os.chmod(filename, 0o755)
def setUp(self):
TestPromisePluginMixin.setUp(self)
self.tempdir = tempfile.mkdtemp()
self.fail_command = os.path.join(self.tempdir, 'fail')
self._createScript(self.fail_command, """#/bin/sh
echo failure
echo me
exit 1""")
self.success_command = os.path.join(self.tempdir, 'success')
self._createScript(self.success_command, """#/bin/sh
echo success
exit 0""")
self.promise_name = "check-command-execute.py"
self.base_content = """from slapos.promise.plugin.check_command_execute import RunPromise
extra_config_dict = {
'command': %(command)r
}
"""
def tearDown(self):
TestPromisePluginMixin.tearDown(self)
shutil.rmtree(self.tempdir)
def test_check_success(self):
self.writePromise(self.promise_name, self.base_content % {
'command': self.success_command})
self.configureLauncher()
self.launcher.run()
result = self.getPromiseResult(self.promise_name)
self.assertEqual(result['result']['failed'], False)
self.assertEqual(
result['result']['message'],
"OK %r run with success" % (self.success_command,)
)
def test_check_failure(self):
self.writePromise(self.promise_name, self.base_content % {
'command': self.fail_command})
self.configureLauncher()
with self.assertRaises(PromiseError):
self.launcher.run()
result = self.getPromiseResult(self.promise_name)
self.assertEqual(result['result']['failed'], True)
self.assertEqual(
result['result']['message'],
"ERROR %r run with failure, output: %s'failure\\nme\\n'" % (
self.fail_command, 'b' if six.PY3 else '')
)
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