diff --git a/agents/aliyun/fence_aliyun.py b/agents/aliyun/fence_aliyun.py index aa0b741d..1e9c790c 100644 --- a/agents/aliyun/fence_aliyun.py +++ b/agents/aliyun/fence_aliyun.py @@ -1,173 +1,192 @@ #!@PYTHON@ -tt -import sys, re +import sys import logging import atexit import json + sys.path.append("@FENCEAGENTSLIBDIR@") from fencing import * -from fencing import fail, fail_usage, EC_TIMED_OUT, run_delay +from fencing import fail_usage, run_delay + try: from aliyunsdkcore import client from aliyunsdkcore.auth.credentials import EcsRamRoleCredential + from aliyunsdkcore.profile import region_provider +except ImportError as e: + logging.warn("The 'aliyunsdkcore' module has been not installed or is unavailable, try to execute the command 'pip install aliyun-python-sdk-core --upgrade' to solve. error: %s" % e) + + +try: from aliyunsdkecs.request.v20140526.DescribeInstancesRequest import DescribeInstancesRequest from aliyunsdkecs.request.v20140526.StartInstanceRequest import StartInstanceRequest from aliyunsdkecs.request.v20140526.StopInstanceRequest import StopInstanceRequest from aliyunsdkecs.request.v20140526.RebootInstanceRequest import RebootInstanceRequest - from aliyunsdkcore.profile import region_provider -except ImportError: - pass +except ImportError as e: + logging.warn("The 'aliyunsdkecs' module has been not installed or is unavailable, try to execute the command 'pip install aliyun-python-sdk-ecs --upgrade' to solve. error: %s" % e) + def _send_request(conn, request): + logging.debug("send request action: %s" % request.get_action_name()) request.set_accept_format('json') try: response_str = conn.do_action_with_exception(request) - response_detail = json.loads(response_str) - logging.debug("_send_request reponse: %s" % response_detail) - return response_detail except Exception as e: - fail_usage("Failed: _send_request failed: %s" % e) + fail_usage("Failed: send request failed: Error: %s" % e) + + response_detail = json.loads(response_str) + logging.debug("reponse: %s" % response_detail) + return response_detail def start_instance(conn, instance_id): + logging.debug("start instance %s" % instance_id) request = StartInstanceRequest() request.set_InstanceId(instance_id) _send_request(conn, request) def stop_instance(conn, instance_id): + logging.debug("stop instance %s" % instance_id) request = StopInstanceRequest() request.set_InstanceId(instance_id) request.set_ForceStop('true') _send_request(conn, request) def reboot_instance(conn, instance_id): + logging.debug("reboot instance %s" % instance_id) request = RebootInstanceRequest() request.set_InstanceId(instance_id) request.set_ForceStop('true') _send_request(conn, request) def get_status(conn, instance_id): + logging.debug("get instance %s status" % instance_id) request = DescribeInstancesRequest() request.set_InstanceIds(json.dumps([instance_id])) response = _send_request(conn, request) instance_status = None if response is not None: instance_list = response.get('Instances').get('Instance') for item in instance_list: instance_status = item.get('Status') return instance_status def get_nodes_list(conn, options): + logging.debug("start to get nodes list") result = {} request = DescribeInstancesRequest() request.set_PageSize(100) response = _send_request(conn, request) - instance_status = None if response is not None: instance_list = response.get('Instances').get('Instance') for item in instance_list: instance_id = item.get('InstanceId') instance_name = item.get('InstanceName') result[instance_id] = (instance_name, None) + logging.debug("get nodes list: %s" % result) return result def get_power_status(conn, options): + logging.debug("start to get power(%s) status" % options["--plug"]) state = get_status(conn, options["--plug"]) if state == "Running": status = "on" elif state == "Stopped": status = "off" else: status = "unknown" - - logging.info("get_power_status: %s" % status) - + logging.debug("the power(%s) status is %s" % (options["--plug"], status)) return status - def set_power_status(conn, options): - logging.info("set_power_status: %s" % options["--action"]) + logging.info("start to set power(%s) status to %s" % (options["--plug"], options["--action"])) if (options["--action"]=="off"): stop_instance(conn, options["--plug"]) elif (options["--action"]=="on"): start_instance(conn, options["--plug"]) elif (options["--action"]=="reboot"): reboot_instance(conn, options["--plug"]) - def define_new_opts(): all_opt["region"] = { "getopt" : "r:", "longopt" : "region", "help" : "-r, --region=[name] Region, e.g. cn-hangzhou", "shortdesc" : "Region.", "required" : "0", "order" : 2 } all_opt["access_key"] = { "getopt" : "a:", "longopt" : "access-key", "help" : "-a, --access-key=[name] Access Key", "shortdesc" : "Access Key.", "required" : "0", "order" : 3 } all_opt["secret_key"] = { "getopt" : "s:", "longopt" : "secret-key", "help" : "-s, --secret-key=[name] Secret Key", "shortdesc" : "Secret Key.", "required" : "0", "order" : 4 } all_opt["ram_role"] = { "getopt": ":", "longopt": "ram-role", "help": "--ram-role=[name] Ram Role", "shortdesc": "Ram Role.", "required": "0", "order": 5 } # Main agent method def main(): conn = None device_opt = ["port", "no_password", "region", "access_key", "secret_key", "ram_role"] atexit.register(atexit_handler) define_new_opts() all_opt["power_timeout"]["default"] = "60" options = check_input(device_opt, process_input(device_opt)) docs = {} docs["shortdesc"] = "Fence agent for Aliyun (Aliyun Web Services)" docs["longdesc"] = "fence_aliyun is an I/O Fencing agent for Aliyun" docs["vendorurl"] = "http://www.aliyun.com" show_docs(options, docs) run_delay(options) if "--region" in options: region = options["--region"] if "--access-key" in options and "--secret-key" in options: access_key = options["--access-key"] secret_key = options["--secret-key"] conn = client.AcsClient(access_key, secret_key, region) elif "--ram-role" in options: ram_role = options["--ram-role"] role = EcsRamRoleCredential(ram_role) conn = client.AcsClient(region_id=region, credential=role) - region_provider.modify_point('Ecs', region, 'ecs.%s.aliyuncs.com' % region) - + else: + fail_usage("Failed: User credentials are not set. Please set the Access Key and the Secret Key, or configure the RAM role.") + + # Use intranet endpoint to access ECS service + try: + region_provider.modify_point('Ecs', region, 'ecs.%s.aliyuncs.com' % region) + except Exception as e: + logging.warn("Failed: failed to modify endpoint to 'ecs.%s.aliyuncs.com': %s" % (region, e)) + # Operate the fencing device result = fence_action(conn, options, set_power_status, get_power_status, get_nodes_list) sys.exit(result) if __name__ == "__main__": main()