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Diffstat (limited to 'compass-deck/actions/cli.py')
| -rw-r--r-- | compass-deck/actions/cli.py | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/compass-deck/actions/cli.py b/compass-deck/actions/cli.py new file mode 100644 index 0000000..c9058ed --- /dev/null +++ b/compass-deck/actions/cli.py @@ -0,0 +1,179 @@ +# Copyright 2014 Huawei Technologies Co. Ltd +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Compass Command Line Interface""" +import logging +import subprocess +import sys + +from compass.actions.health_check import check +from compass.db.api import database + +from compass.utils import flags +from compass.utils import logsetting +from compass.utils import setting_wrapper as setting +from compass.utils.util import pretty_print + + +ACTION_MAP = { + "check": "apache celery dhcp dns hds misc os_installer " + "package_installer squid tftp".split(" "), + "refresh": "db sync".split(" "), +} + + +class BootCLI(object): + """CLI to do compass check.""" + + def __init__(self): + return + + def run(self, args): + """cli takes the commands and calls respective modules.""" + action = self.get_action(args) + if action is None: + self.print_help() + else: + module = self.get_module(action, args) + if module == "invalid": + self.print_help(action) + else: + method = "self.run_" + action + "(module)" + eval(method) + + @classmethod + def get_action(cls, args): + """This method returns an action type. + + .. note:: + For 'compass check dhcp' command, it will return 'check'. + """ + if len(args) == 1: + return None + elif args[1] in ACTION_MAP.keys(): + return args[1] + return None + + @classmethod + def get_module(cls, action, args): + """This method returns a module. + + .. note:: + For 'compass check dhcp' command, it will return 'dhcp'. + """ + if len(args) <= 2: + return None + elif args[2] in ACTION_MAP[action]: + return args[2] + return "invalid" + + def run_check(self, module=None): + """This provides a flexible sanity check. + + .. note:: + param module default set to None. + if parameter module is none. Compass checks all modules. + If module specified, Compass will only check such module. + """ + if module is None: + pretty_print("Starting: Compass Health Check", + "==============================") + chk = check.BootCheck() + res = chk.run() + self.output_check_result(res) + + else: + pretty_print("Checking Module: %s" % module, + "============================") + chk = check.BootCheck() + method = "chk._check_" + module + "()" + res = eval(method) + print "\n".join(msg for msg in res[1]) + + @classmethod + def output_check_result(cls, result): + """output check result.""" + if result == {}: + return + pretty_print("\n", + "===============================", + "* Compass Health Check Report *", + "===============================") + successful = True + for key in result.keys(): + if result[key][0] == 0: + successful = False + print "%s" % "\n".join(item for item in result[key][1]) + + print "====================" + if successful is True: + print "Compass Check completes. No problems found, all systems go" + sys.exit(0) + else: + print ( + "Compass has ERRORS shown above. Please fix them before " + "deploying!") + sys.exit(1) + + @classmethod + def run_refresh(cls, action=None): + """Run refresh.""" + # TODO(xicheng): replace refresh.sh with refresh.py + if action is None: + pretty_print("Refreshing Compass...", + "=================") + subprocess.Popen( + ['/opt/compass/bin/refresh.sh'], shell=True) + elif action == "db": + pretty_print("Refreshing Compass Database...", + "===================") + subprocess.Popen( + ['/opt/compass/bin/manage_db.py createdb'], shell=True) + else: + pretty_print("Syncing with Installers...", + "================") + subprocess.Popen( + ['/opt/compass/bin/manage_db.py sync_from_installers'], + shell=True + ) + + @classmethod + def print_help(cls, module_help=""): + """print help.""" + if module_help == "": + pretty_print("usage\n=====", + "compass <refresh|check>", + "type 'compass {action} --help' for detailed " + "command list") + + elif module_help == "refresh": + pretty_print("usage\n=====", + "compass refresh [%s]" % + "|".join(action for action in ACTION_MAP['refresh'])) + + else: + pretty_print("usage\n=====", + "compass check [%s]" % + "|".join(action for action in ACTION_MAP['check'])) + sys.exit(2) + + +def main(): + """Compass cli entry point.""" + flags.init() + logsetting.init() + database.init() + cli = BootCLI() + output = cli.run(sys.argv) + return sys.exit(output) |