目標:
弄清楚st2rulesengine服務原理
1和2的分析參見:
https://blog.csdn.net/qingyuanluofeng/article/details/105374863
3 分析
rules_engine_worker = worker.get_worker()
......
rules_engine_worker.start()
3.1 進入st2/st2reactor/st2reactor/rules/worker.py
def get_worker():
with Connection(transport_utils.get_messaging_urls()) as conn:
return TriggerInstanceDispatcher(conn, [RULESENGINE_WORK_QUEUE])
分析:
(Pdb) p transport_utils.get_messaging_urls()
['amqp://rabbitmq:[email protected]:5672']
(Pdb) p RULESENGINE_WORK_QUEUE
<unbound Queue st2.trigger_instances_dispatch.rules_engine -> <unbound Exchange st2.trigger_instances_dispatch(topic)> -> #>
(Pdb) p RULESENGINE_WORK_QUEUE.__dict__
{'no_declare': None, 'on_declared': None, 'message_ttl': None, 'exchange': <unbound Exchange st2.trigger_instances_dispatch(topic)>, 'expires': None, 'routing_key': '#', 'name': 'st2.trigger_instances_dispatch.rules_engine', 'alias': None, 'queue_arguments': None, 'max_length_bytes': None, 'binding_arguments': None, 'max_length': None, 'bindings': set([]), 'consumer_arguments': None, 'max_priority': None}
(Pdb) p type(RULESENGINE_WORK_QUEUE)
<class 'kombu.entity.Queue'>
3.2 分析TriggerInstanceDispatcher的start方法
class TriggerInstanceDispatcher(consumers.StagedMessageHandler):
message_type = dict
def __init__(self, connection, queues):
super(TriggerInstanceDispatcher, self).__init__(connection, queues)
self.rules_engine = RulesEngine()
分析:
TriggerInstanceDispatcher是如下類的子類
@six.add_metaclass(abc.ABCMeta)
class StagedMessageHandler(MessageHandler):
def get_queue_consumer(self, connection, queues):
return StagedQueueConsumer(connection=connection, queues=queues, handler=self)
其中MessageHandler定義如下:
@six.add_metaclass(abc.ABCMeta)
class MessageHandler(object):
message_type = None
def __init__(self, connection, queues):
self._queue_consumer = self.get_queue_consumer(connection=connection,
queues=queues)
self._consumer_thread = None
def start(self, wait=False):
LOG.info('Starting %s...', self.__class__.__name__)
self._consumer_thread = eventlet.spawn(self._queue_consumer.run)
if wait:
self.wait()
def wait(self):
self._consumer_thread.wait()
分析:
TriggerInstanceDispatcher的start方法實際就是讓消費者運行，即
eventlet.spawn(self._queue_consumer.run)
具體就是查看StagedQueueConsumer如何處理的。
3.2.1) 進入
class StagedQueueConsumer(QueueConsumer):
"""
Used by ``StagedMessageHandler`` to effectively manage it 2 step message handling.
"""
def process(self, body, message):
try:
if not isinstance(body, self._handler.message_type):
raise TypeError('Received an unexpected type "%s" for payload.' % type(body))
response = self._handler.pre_ack_process(body)
self._dispatcher.dispatch(self._process_message, response)
except:
LOG.exception('%s failed to process message: %s', self.__class__.__name__, body)
finally:
# At this point we will always ack a message.
message.ack()
分析:
StagedQueueConsumer繼承自QueueConsumer,具體如下:
class QueueConsumer(ConsumerMixin):
def __init__(self, connection, queues, handler):
self.connection = connection
self._dispatcher = BufferedDispatcher()
self._queues = queues
self._handler = handler
分析:
/opt/stackstorm/st2/lib/python2.7/site-packages/st2common/transport/consumers.py(39)__init__()
隊列的消費者包含了:
connection,隊列列表，處理者對象。
其中處理者對象必須包含一個process方法，用於處理消息。
可以看到消息消費者先執行 pre_ack_process方法獲取處理結果，然後再調用process方法處理結果。
所以要對pre_ack_process方法和process方法分析。
3.2.2) 分析pre_ack_process方法
class TriggerInstanceDispatcher(consumers.StagedMessageHandler):
def pre_ack_process(self, message):
'''
TriggerInstance from message is create prior to acknowledging the message. This
gets us a way to not acknowledge messages.
'''
trigger = message['trigger']
payload = message['payload']
# Accomodate for not being able to create a TrigegrInstance if a TriggerDB
# is not found.
trigger_instance = container_utils.create_trigger_instance(
trigger,
payload or {},
date_utils.get_datetime_utc_now(),
raise_on_no_trigger=True)
return self._compose_pre_ack_process_response(trigger_instance, message)
分析:
pre_ack_process(self, message):
1 根據輸入參數，形如:
(Pdb) p message
{'trace_context': <st2common.models.api.trace.TraceContext object at 0x4105150>, 'trigger': {'uid': u'trigger:core:8c13d9a3-12a3-4cff-88d3-66c804a47590:5e0acee19fa878c4fa07d596f7a893d6', 'parameters': {u'unit': u'minutes', u'delta': 5}, 'ref': u'core.8c13d9a3-12a3-4cff-88d3-66c804a47590', 'pack': u'core', 'type': u'core.st2.IntervalTimer', 'id': '5e78a2f0618fd301a43e2284', 'name': u'8c13d9a3-12a3-4cff-88d3-66c804a47590'}, 'payload': {'executed_at': '2020-03-24 09:17:33.887548+00:00', 'schedule': None}}
2 調用create_trigger_instance(trigger, payload, occurrence_time, raise_on_no_trigger=False):
根據給定的trigger,payload等信息向trigger_d_b表中創建一條trigger記錄並返回
輸入參數樣例如下:
(Pdb) p trigger
{'uid': u'trigger:core:8c13d9a3-12a3-4cff-88d3-66c804a47590:5e0acee19fa878c4fa07d596f7a893d6', 'parameters': {u'unit': u'minutes', u'delta': 5}, 'ref': u'core.8c13d9a3-12a3-4cff-88d3-66c804a47590', 'pack': u'core', 'type': u'core.st2.IntervalTimer', 'id': '5e78a2f0618fd301a43e2284', 'name': u'8c13d9a3-12a3-4cff-88d3-66c804a47590'}
(Pdb) p payload
{'executed_at': '2020-03-24 09:17:33.887548+00:00', 'schedule': None}
(Pdb) p occurrence_time
datetime.datetime(2020, 3, 24, 9, 31, 27, 463733, tzinfo=tzutc())
(Pdb) p raise_on_no_trigger
True
3 返回結果樣例如下:
{'trigger_instance': <TriggerInstanceDB: TriggerInstanceDB(id=5e79d4d58dc0dd00ea0f362f, occurrence_time="2020-03-24 09:31:27.463733+00:00", payload={'executed_at': '2020-03-24 09:17:33.887548+00:00', 'schedule': None}, status="pending", trigger="core.8c13d9a3-12a3-4cff-88d3-66c804a47590")>, 'message': {'trace_context': <st2common.models.api.trace.TraceContext object at 0x4105150>, 'trigger': {'uid': u'trigger:core:8c13d9a3-12a3-4cff-88d3-66c804a47590:5e0acee19fa878c4fa07d596f7a893d6', 'parameters': {u'unit': u'minutes', u'delta': 5}, 'ref': u'core.8c13d9a3-12a3-4cff-88d3-66c804a47590', 'pack': u'core', 'type': u'core.st2.IntervalTimer', 'id': '5e78a2f0618fd301a43e2284', 'name': u'8c13d9a3-12a3-4cff-88d3-66c804a47590'}, 'payload': {'executed_at': '2020-03-24 09:17:33.887548+00:00', 'schedule': None}}}
3.2.3) 分析process方法
class TriggerInstanceDispatcher(consumers.StagedMessageHandler):
def process(self, pre_ack_response):
trigger_instance, message = self._decompose_pre_ack_process_response(pre_ack_response)
if not trigger_instance:
raise ValueError('No trigger_instance provided for processing.')
try:
# Use trace_context from the message and if not found create a new context
# and use the trigger_instance.id as trace_tag.
trace_context = message.get(TRACE_CONTEXT, None)
if not trace_context:
trace_context = {
TRACE_ID: 'trigger_instance-%s' % str(trigger_instance.id)
}
# add a trace or update an existing trace with trigger_instance
trace_service.add_or_update_given_trace_context(
trace_context=trace_context,
trigger_instances=[
trace_service.get_trace_component_for_trigger_instance(trigger_instance)
]
)
container_utils.update_trigger_instance_status(
trigger_instance, trigger_constants.TRIGGER_INSTANCE_PROCESSING)
self.rules_engine.handle_trigger_instance(trigger_instance)
container_utils.update_trigger_instance_status(
trigger_instance, trigger_constants.TRIGGER_INSTANCE_PROCESSED)
except:
# TODO : Capture the reason for failure.
container_utils.update_trigger_instance_status(
trigger_instance, trigger_constants.TRIGGER_INSTANCE_PROCESSING_FAILED)
# This could be a large message but at least in case of an exception
# we get to see more context.
# Beyond this point code cannot really handle the exception anyway so
# eating up the exception.
LOG.exception('Failed to handle trigger_instance %s.', trigger_instance)
return
分析:
process(self, pre_ack_response):
0 根據輸入參數，樣例如下:
{'trigger_instance': <TriggerInstanceDB: TriggerInstanceDB(id=5e81d44bb99f2a002b34aeed, occurrence_time="2020-03-30 11:13:15.815257+00:00", payload={'executed_at': '2020-03-30 11:13:15.770559+00:00', 'schedule': None}, status="processed", trigger="core.ac7abf3a-9966-480a-8376-1b156bdbef56")>, 'message': {'trace_context': <st2common.models.api.trace.TraceContext object at 0x378a7d0>, 'trigger': {'uid': u'trigger:core:ac7abf3a-9966-480a-8376-1b156bdbef56:d561c05e470c37028940525af03d7eb5', 'parameters': {u'unit': u'minutes', u'delta': 10}, 'ref': u'core.ac7abf3a-9966-480a-8376-1b156bdbef56', 'pack': u'core', 'type': u'core.st2.IntervalTimer', 'id': '5e8160e028d08b002d5ecd0c', 'name': u'ac7abf3a-9966-480a-8376-1b156bdbef56'}, 'payload': {'executed_at': '2020-03-30 11:13:15.770559+00:00', 'schedule': None}}}
1 根據給定的trigger,payload等信息向trigger_d_b表中創建一條trigger記錄並返回
2 添加或更新一個給定的trace context。
3 更新了trigger instance中的status字段從pending到processing
4 調用RulesEngine類對象的handle_trigger_instance方法
5 將trigger_instance中status從processing更新爲processed
==================================
==================================
總結:
rules_engine_worker的start()流程，實際是TriggerInstanceDispatcher(consumers.StagedMessageHandler)消費者
總入口是TriggerInstanceDispatcher類的process方法，處理流程如下:
process(self, pre_ack_response):
0 根據輸入參數，樣例如下:
{'trigger_instance': <TriggerInstanceDB: TriggerInstanceDB(id=5e81d44bb99f2a002b34aeed, occurrence_time="2020-03-30 11:13:15.815257+00:00", payload={'executed_at': '2020-03-30 11:13:15.770559+00:00', 'schedule': None}, status="processed", trigger="core.ac7abf3a-9966-480a-8376-1b156bdbef56")>, 'message': {'trace_context': <st2common.models.api.trace.TraceContext object at 0x378a7d0>, 'trigger': {'uid': u'trigger:core:ac7abf3a-9966-480a-8376-1b156bdbef56:d561c05e470c37028940525af03d7eb5', 'parameters': {u'unit': u'minutes', u'delta': 10}, 'ref': u'core.ac7abf3a-9966-480a-8376-1b156bdbef56', 'pack': u'core', 'type': u'core.st2.IntervalTimer', 'id': '5e8160e028d08b002d5ecd0c', 'name': u'ac7abf3a-9966-480a-8376-1b156bdbef56'}, 'payload': {'executed_at': '2020-03-30 11:13:15.770559+00:00', 'schedule': None}}}
1 根據給定的trigger,payload等信息向trigger_d_b表中創建一條trigger記錄並返回
2 添加或更新一個給定的trace context。
3 更新了trigger instance中的status字段從pending到processing
4 調用RulesEngine類對象的handle_trigger_instance方法，具體是:
handle_trigger_instance(self, trigger_instance):
1 根據給定的trigger_instance,形如:
(Pdb) p trigger_instance
<TriggerInstanceDB: TriggerInstanceDB(id=5e79d4d58dc0dd00ea0f362f, occurrence_time="2020-03-24 09:31:27.463733+00:00", payload={'executed_at': '2020-03-24 09:17:33.887548+00:00', 'schedule': None}, status="processing", trigger="core.8c13d9a3-12a3-4cff-88d3-66c804a47590")>
2 調用get_matching_rules_for_trigger方法，獲得匹配的rule列表，具體是:
2.1 根據給定trigger_instance中的trigger信息，形如:
(Pdb) p trigger
u'core.8c13d9a3-12a3-4cff-88d3-66c804a47590'
向trigger_d_b表查詢該trigger記錄
2.2 根據trigger記錄查詢到對應的rules。
原理: 由於特定的觸發器會在trigger表生成一條trigger記錄，包含ref字段。
而rule中會持有這個trigger的ref。所以通過trigger的ref可以查詢到對應的rule。
2.3 用trigger_instance,trigger,rules實例化一個RulesMatcher。
對rules列表處理，對每個rule根據trigger_instance,trigger等信息實例化RuleFileter對象, 調用其filter方法，
判斷其trigger_instance中的payload是否符合rule中criteria字典的校驗要求。返回匹配criteria的rules列表。
3 調用create_rule_enforcers(self, trigger_instance, matching_rules):
遍歷所有匹配的rule列表，對每個rule,實例化一個RuleEnforcer(trigger_instance, matching_rule)並加入
結果列表中，最後返回結果列表
4 調用enforce_rules(self, enforcers):
遍歷enforcers中每個enforcer,對每個enforcer，調用enforce方法，具體是:
enforce(self):
1 根據trigger_instance_id和 rule_spec具體是一個字典，實例化一個rule_enforcement_d_b
rule_spec 樣例:{'ref': self.rule.ref, 'id': str(self.rule.id), 'uid': self.rule.uid}
2 調用_do_enforce方法，具體是:
# Enforce the rules.
1 獲取參數字典，形如:
{u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}
2 調用 update_trace方法，具體是:
s1 調用get_trace_db_by_trigger_instance(trigger_instance=None, trigger_instance_id=None):
根據trigger_instance的id,調用_get_single_trace_by_component(**component_filter):
根據形如如下的參數:
{'trigger_instances__object_id': '5e79d4d58dc0dd00ea0f362f'}
向trace_d_b表查詢屬於該trigger_instance id的trace記錄，結果樣例如下:
<TraceDB: TraceDB(action_executions=[], id=5e79ec278dc0dd00ea0f3630, rules=[], start_timestamp="2020-03-24 11:09:19.309179+00:00", trace_tag="st2.IntervalTimer-8c13d9a3-12a3-4cff-88d3-66c804a47590", trigger_instances=[<TraceComponentDB: TraceComponentDB@(object_id:5e79d4d58dc0dd00ea0f362f, updated_at:2020-03-24 11:14:41.289695+00:00)>], uid="trace:aaa8de00c846febf51ac71bd86a776c9")>
s2 更新trace記錄，設置該trace記錄的rules爲形如如下的結果
[{'caused_by': {'type': 'trigger_instance', 'id': '5e79d4d58dc0dd00ea0f362f'}, 'ref': u'email.network-check', 'id': '5e660433c75b50001c06b822'}]
s3 返回TraceContext對象的字典
3 調用RuleEnforcer._invoke_action(self.rule.action, params, context)方法，具體是:
_invoke_action(action_exec_spec, params, context=None):
1 根據輸入參數，樣例如下:
(Pdb) p action_exec_spec
<ActionExecutionSpecDB: ActionExecutionSpecDB@71113936(ref="email.mistral-network-check", parameters="{u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}")>
(Pdb) p params
{u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}
(Pdb) p context
{'trigger_instance': {'id': '5e79d4d58dc0dd00ea0f362f', 'name': None}, 'trace_context': {'id_': '5e79ec278dc0dd00ea0f3630', 'trace_tag': u'st2.IntervalTimer-8c13d9a3-12a3-4cff-88d3-66c804a47590'}, 'user': '[email protected]', 'rule': {'id': '5e660433c75b50001c06b822', 'name': u'network-check'}}
2 解析獲得參數字典，形如:
{u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}
3 實例化一個LiveActionDB(action=action_ref, context=context, parameters=params)對象，形如:
<LiveActionDB: LiveActionDB(action="email.mistral-network-check", action_is_workflow=False, callback={}, context={'trigger_instance': {'id': '5e79d4d58dc0dd00ea0f362f', 'name': None}, 'trace_context': {'id_': '5e79ec278dc0dd00ea0f3630', 'trace_tag': u'st2.IntervalTimer-8c13d9a3-12a3-4cff-88d3-66c804a47590'}, 'rule': {'id': '5e660433c75b50001c06b822', 'name': u'network-check'}, 'user': '[email protected]'}, end_timestamp=None, id=None, notify=None, parameters={u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, result={}, runner_info={}, start_timestamp="2020-03-24 13:24:21.009098+00:00", status=None)>
4 調用/opt/stackstorm/st2/lib/python2.7/site-packages/st2common/services/action.py(155)request(liveaction)方法,具體是:
request(liveaction):
1 根據輸入參數liveaction,樣例如下:
<LiveActionDB: LiveActionDB(action="email.mistral-network-check", action_is_workflow=False, callback={}, context={'trigger_instance': {'id': '5e79d4d58dc0dd00ea0f362f', 'name': None}, 'trace_context': {'id_': '5e79ec278dc0dd00ea0f3630', 'trace_tag': u'st2.IntervalTimer-8c13d9a3-12a3-4cff-88d3-66c804a47590'}, 'rule': {'id': '5e660433c75b50001c06b822', 'name': u'network-check'}, 'user': '[email protected]'}, end_timestamp=None, id=None, notify=None, parameters={u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, result={}, runner_info={}, start_timestamp="2020-03-24 13:24:21.009098+00:00", status=None)>
2 調用 create_request(liveaction): 創建一個action的執行，返回(liveaction, execution)
s1 根據輸入參數liveaction,樣例如下:
<LiveActionDB: LiveActionDB(action="email.mistral-network-check", action_is_workflow=False, callback={}, context={'trigger_instance': {'id': '5e7abd778dc0dd0113f02625', 'name': None}, 'trace_context': {'id_': '5e7abd798dc0dd0113f02626', 'trace_tag': u'st2.IntervalTimer-8c13d9a3-12a3-4cff-88d3-66c804a47590'}, 'rule': {'id': '5e660433c75b50001c06b822', 'name': u'network-check'}, 'user': '[email protected]'}, end_timestamp=None, id=None, notify=None, parameters={u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, result={}, runner_info={}, start_timestamp="2020-03-25 02:10:02.048723+00:00", status=None)>
s2 根據liveaction.action(例如: u'email.mistral-network-check')，查詢到對應action記錄，樣例如下:
<ActionDB: ActionDB(description="Run network check script and output the result then send email.", enabled=True, entry_point="workflows/mistral-network-check.yaml", id=5e660431c75b50001c06b807, name="mistral-network-check", notify=NotifySchema@74879184(on_complete="None", on_success="None", on_failure="None"), pack="email", parameters={u'email_account': {u'default': u'esdozer', u'type': u'string'}, u'cmd': {u'required': True, u'type': u'string'}, u'email_to': {u'required': True, u'type': u'array'}, u'email_from': {u'type': u'string'}, u'timeout': {u'default': 1800, u'type': u'integer'}}, ref="email.mistral-network-check", runner_type={u'name': u'mistral-v2'}, tags=[], uid="action:email:mistral-network-check")>
s3 根據action_db.runner_type['name'] (例如: u'mistral-v2')，查詢到runnertype_db，樣例如下:
<RunnerTypeDB: RunnerTypeDB(description="A runner for executing mistral v2 workflow.", enabled=True, id=5e6603dcc75b50001c06b2ec, name="mistral-v2", query_module="mistral_v2", runner_module="mistral_v2", runner_parameters={u'skip_notify': {u'default': [], u'type': u'array', u'description': u'List of tasks to skip notifications for.'}, u'task': {u'type': u'string', u'description': u'The name of the task to run for reverse workflow.'}, u'context': {u'default': {}, u'type': u'object', u'description': u'Additional workflow inputs.'}, u'workflow': {u'type': u'string', u'description': u'The name of the workflow to run if the entry_point is a workbook of many workflows. The name should be in the format "<pack_name>.<action_name>.<workflow_name>". If entry point is a workflow or a workbook with a single workflow, the runner will identify the workflow automatically.'}}, uid="runner_type:mistral-v2")>
s4 根據如下代碼來向live_action_d_b表添加或更新liveaction
liveaction = LiveAction.add_or_update(liveaction, publish=False)
返回結果樣例如下:
<LiveActionDB: LiveActionDB(action="email.mistral-network-check", action_is_workflow=True, callback={}, context={'trigger_instance': {'id': '5e7abd778dc0dd0113f02625', 'name': None}, 'trace_context': {'id_': '5e7abd798dc0dd0113f02626', 'trace_tag': u'st2.IntervalTimer-8c13d9a3-12a3-4cff-88d3-66c804a47590'}, 'rule': {'id': '5e660433c75b50001c06b822', 'name': u'network-check'}, 'user': '[email protected]'}, end_timestamp=None, id=5e7ac84b8dc0dd0113f02627, notify=None, parameters={u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, result={}, runner_info={}, start_timestamp="2020-03-25 02:52:07.783440+00:00", status="requested")>
s5 獲取該liveaction的trace信息
s6 調用create_execution_object方法來創建execution。具體如下:
create_execution_object(liveaction, publish=True):
s6.1 根據輸入參數，樣例如下:
(Pdb) p liveaction
<LiveActionDB: LiveActionDB(action="email.mistral-network-check", action_is_workflow=True, callback={}, context={'trigger_instance': {'id': '5e7abd778dc0dd0113f02625', 'name': None}, 'trace_context': {'id_': '5e7abd798dc0dd0113f02626', 'trace_tag': u'st2.IntervalTimer-8c13d9a3-12a3-4cff-88d3-66c804a47590'}, 'rule': {'id': '5e660433c75b50001c06b822', 'name': u'network-check'}, 'user': '[email protected]'}, end_timestamp=None, id=5e7ac84b8dc0dd0113f02627, notify=None, parameters={u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, result={}, runner_info={}, start_timestamp="2020-03-25 02:52:07.783440+00:00", status="requested")>
(Pdb) p publish
False
s6.2 根據liveaction.action(例如: u'email.mistral-network-check')查詢到action信息，樣例如下:
<ActionDB: ActionDB(description="Run network check script and output the result then send email.", enabled=True, entry_point="workflows/mistral-network-check.yaml", id=5e660431c75b50001c06b807, name="mistral-network-check", notify=NotifySchema@75062992(on_complete="None", on_success="None", on_failure="None"), pack="email", parameters={u'email_account': {u'default': u'esdozer', u'type': u'string'}, u'cmd': {u'required': True, u'type': u'string'}, u'email_to': {u'required': True, u'type': u'array'}, u'email_from': {u'type': u'string'}, u'timeout': {u'default': 1800, u'type': u'integer'}}, ref="email.mistral-network-check", runner_type={u'name': u'mistral-v2'}, tags=[], uid="action:email:mistral-network-check")>
s6.3 根據action_db.runner_type['name'](例如: u'mistral-v2')查詢到runner信息，樣例如下:
<RunnerTypeDB: RunnerTypeDB(description="A runner for executing mistral v2 workflow.", enabled=True, id=5e6603dcc75b50001c06b2ec, name="mistral-v2", query_module="mistral_v2", runner_module="mistral_v2", runner_parameters={u'skip_notify': {u'default': [], u'type': u'array', u'description': u'List of tasks to skip notifications for.'}, u'task': {u'type': u'string', u'description': u'The name of the task to run for reverse workflow.'}, u'context': {u'default': {}, u'type': u'object', u'description': u'Additional workflow inputs.'}, u'workflow': {u'type': u'string', u'description': u'The name of the workflow to run if the entry_point is a workbook of many workflows. The name should be in the format "<pack_name>.<action_name>.<workflow_name>". If entry point is a workflow or a workbook with a single workflow, the runner will identify the workflow automatically.'}}, uid="runner_type:mistral-v2")>
s6.4 根據liveaction.context.get('rule', {}) (例如: {'id': '5e660433c75b50001c06b822', 'name': u'network-check'} )
獲取rule信息，樣例如下:
<RuleDB: RuleDB(action=ActionExecutionSpecDB@75234512(ref="email.mistral-network-check", parameters="{u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}"), context={}, criteria={}, description="Check L3 vRouter & LB & DHCP", enabled=True, id=5e660433c75b50001c06b822, name="network-check", pack="email", ref="email.network-check", tags=[], trigger="core.8c13d9a3-12a3-4cff-88d3-66c804a47590", type=RuleTypeSpecDB@75234384(ref="standard", parameters="{}"), uid="rule:email:network-check")>
s6.5 根據liveaction.context.get('trigger_instance', {}) (例如: {'id': '5e7abd778dc0dd0113f02625', 'name': None} )
的trigger_instance_id，查詢到trigger_instance信息，樣例如下:
<TriggerInstanceDB: TriggerInstanceDB(id=5e7abd778dc0dd0113f02625, occurrence_time="2020-03-25 02:09:58.990000+00:00", payload={u'executed_at': u'2020-03-25 02:07:30.775464+00:00', u'schedule': None}, status="processing", trigger="core.8c13d9a3-12a3-4cff-88d3-66c804a47590")>
s6.6 獲取parent action execution記錄，具體調用: _get_parent_execution(child_liveaction_db):
A1 根據輸入參數，樣例如下:
(Pdb) p child_liveaction_db
<LiveActionDB: LiveActionDB(action="email.mistral-network-check", action_is_workflow=True, callback={}, context={'trigger_instance': {'id': '5e7abd778dc0dd0113f02625', 'name': None}, 'trace_context': {'id_': '5e7abd798dc0dd0113f02626', 'trace_tag': u'st2.IntervalTimer-8c13d9a3-12a3-4cff-88d3-66c804a47590'}, 'rule': {'id': '5e660433c75b50001c06b822', 'name': u'network-check'}, 'user': '[email protected]'}, end_timestamp=None, id=5e7ac84b8dc0dd0113f02627, notify=None, parameters={u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, result={}, runner_info={}, start_timestamp="2020-03-25 02:52:07.783440+00:00", status="requested")>
A2 獲取 parent_context = child_liveaction_db.context.get('parent', None)信息
A3 獲取 parent_id = parent_context['execution_id']
A4 通過: ActionExecution.get_by_id(parent_id) 獲取 action_execution記錄並返回
s6.7 根據 action, parameters, runner, rule, trigger_instance, trigger, trigger_type, parent, log等信息得到attrs字典，
用該字典實例化得到一個ActionExecution對象，即execution。
樣例如下:
(Pdb) p attrs
{'status': 'requested', 'start_timestamp': datetime.datetime(2020, 3, 25, 2, 52, 7, 783440, tzinfo=tzutc()), 'parameters': {u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, 'trigger_type': {'description': u'Triggers on specified intervals. e.g. every 30s, 1week etc.', 'tags': [], 'parameters_schema': {u'additionalProperties': False, u'type': u'object', u'properties': {u'timezone': {u'type': u'string'}, u'unit': {u'enum': [u'weeks', u'days', u'hours', u'minutes', u'seconds'], u'required': True}, u'delta': {u'required': True, u'type': u'integer'}}}, 'name': u'st2.IntervalTimer', 'payload_schema': {u'type': u'object', u'properties': {u'executed_at': {u'default': u'2014-07-30 05:04:24.578325', u'type': u'string', u'format': u'date-time'}, u'schedule': {u'default': {u'units': u'seconds', u'delta': 30}, u'type': u'object'}}}, 'pack': u'core', 'ref': u'core.st2.IntervalTimer', 'id': '5e6603b9a7918a0001b8a3b3', 'uid': u'trigger_type:core:st2.IntervalTimer'}, 'runner': {'runner_module': u'mistral_v2', 'uid': u'runner_type:mistral-v2', 'description': u'A runner for executing mistral v2 workflow.', 'enabled': True, 'query_module': u'mistral_v2', 'runner_parameters': {u'skip_notify': {u'default': [], u'type': u'array', u'description': u'List of tasks to skip notifications for.'}, u'task': {u'type': u'string', u'description': u'The name of the task to run for reverse workflow.'}, u'context': {u'default': {}, u'type': u'object', u'description': u'Additional workflow inputs.'}, u'workflow': {u'type': u'string', u'description': u'The name of the workflow to run if the entry_point is a workbook of many workflows. The name should be in the format "<pack_name>.<action_name>.<workflow_name>". If entry point is a workflow or a workbook with a single workflow, the runner will identify the workflow automatically.'}}, 'id': '5e6603dcc75b50001c06b2ec', 'name': u'mistral-v2'}, 'rule': {'description': u'Check L3 vRouter & LB & DHCP', 'tags': [], 'type': SON([('ref', u'standard'), ('parameters', {})]), 'enabled': True, 'name': u'network-check', 'trigger': {'ref': u'core.8c13d9a3-12a3-4cff-88d3-66c804a47590', 'type': u'core.st2.IntervalTimer', 'parameters': {u'unit': u'minutes', u'delta': 5}}, 'context': {}, 'criteria': {}, 'action': SON([('ref', u'email.mistral-network-check'), ('parameters', {u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'})]), 'pack': u'email', 'ref': u'email.network-check', 'id': '5e660433c75b50001c06b822', 'uid': u'rule:email:network-check'}, 'trigger_instance': {'status': u'processing', 'occurrence_time': '2020-03-25T02:09:58.990000Z', 'trigger': u'core.8c13d9a3-12a3-4cff-88d3-66c804a47590', 'id': '5e7abd778dc0dd0113f02625', 'payload': {u'executed_at': u'2020-03-25 02:07:30.775464+00:00', u'schedule': None}}, 'trigger': {'uid': u'trigger:core:8c13d9a3-12a3-4cff-88d3-66c804a47590:5e0acee19fa878c4fa07d596f7a893d6', 'parameters': {u'unit': u'minutes', u'delta': 5}, 'ref': u'core.8c13d9a3-12a3-4cff-88d3-66c804a47590', 'name': u'8c13d9a3-12a3-4cff-88d3-66c804a47590', 'type': u'core.st2.IntervalTimer', 'id': '5e78a2f0618fd301a43e2284', 'pack': u'core'}, 'result': {}, 'context': {'trigger_instance': {'id': '5e7abd778dc0dd0113f02625', 'name': None}, 'trace_context': {'id_': '5e7abd798dc0dd0113f02626', 'trace_tag': u'st2.IntervalTimer-8c13d9a3-12a3-4cff-88d3-66c804a47590'}, 'rule': {'id': '5e660433c75b50001c06b822', 'name': u'network-check'}, 'user': '[email protected]'}, 'action': {'name': u'mistral-network-check', 'parameters': {u'email_account': {u'default': u'esdozer', u'type': u'string'}, u'cmd': {u'required': True, u'type': u'string'}, u'email_to': {u'required': True, u'type': u'array'}, u'email_from': {u'type': u'string'}, u'timeout': {u'default': 1800, u'type': u'integer'}}, 'tags': [], 'description': u'Run network check script and output the result then send email.', 'enabled': True, 'entry_point': u'workflows/mistral-network-check.yaml', 'notify': {}, 'uid': u'action:email:mistral-network-check', 'pack': u'email', 'ref': u'email.mistral-network-check', 'id': '5e660431c75b50001c06b807', 'runner_type': u'mistral-v2'}, 'liveaction': {'runner_info': {}, 'parameters': {u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, 'action_is_workflow': True, 'callback': {}, 'action': u'email.mistral-network-check', 'id': '5e7ac84b8dc0dd0113f02627'}}
然後得到execution.web_url，樣例如下:
'https://dozer-st2rulesengine-dfddf8d47-7c8bw/#/history/5e7ad9048dc0dd0113f02628/general'
並再次更新該execution記錄到數據庫中
(Pdb) p execution
<ActionExecutionDB: ActionExecutionDB(action={'name': u'mistral-network-check', 'runner_type': u'mistral-v2', 'tags': [], 'description': u'Run network check script and output the result then send email.', 'enabled': True, 'entry_point': u'workflows/mistral-network-check.yaml', 'notify': {}, 'uid': u'action:email:mistral-network-check', 'parameters': {u'email_account': {u'default': u'esdozer', u'type': u'string'}, u'cmd': {u'required': True, u'type': u'string'}, u'email_to': {u'required': True, u'type': u'array'}, u'email_from': {u'type': u'string'}, u'timeout': {u'default': 1800, u'type': u'integer'}}, 'ref': u'email.mistral-network-check', 'id': '5e660431c75b50001c06b807', 'pack': u'email'}, children=[], context={'trigger_instance': {'id': '5e7abd778dc0dd0113f02625', 'name': None}, 'trace_context': {'id_': '5e7abd798dc0dd0113f02626', 'trace_tag': u'st2.IntervalTimer-8c13d9a3-12a3-4cff-88d3-66c804a47590'}, 'rule': {'id': '5e660433c75b50001c06b822', 'name': u'network-check'}, 'user': '[email protected]'}, end_timestamp=None, id=5e7ad9048dc0dd0113f02628, liveaction={'callback': {}, 'runner_info': {}, 'parameters': {u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, 'action': u'email.mistral-network-check', 'action_is_workflow': True, 'id': '5e7ac84b8dc0dd0113f02627'}, log=[{'status': 'requested', 'timestamp': datetime.datetime(2020, 3, 25, 4, 4, 53, 94189, tzinfo=tzutc())}], parameters={u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, parent=None, result={}, rule={'description': u'Check L3 vRouter & LB & DHCP', 'tags': [], 'ref': u'email.network-check', 'enabled': True, 'trigger': {'type': u'core.st2.IntervalTimer', 'ref': u'core.8c13d9a3-12a3-4cff-88d3-66c804a47590', 'parameters': {u'unit': u'minutes', u'delta': 5}}, 'context': {}, 'criteria': {}, 'action': {'ref': u'email.mistral-network-check', 'parameters': {u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}}, 'uid': u'rule:email:network-check', 'pack': u'email', 'type': {'ref': u'standard', 'parameters': {}}, 'id': '5e660433c75b50001c06b822', 'name': u'network-check'}, runner={'runner_module': u'mistral_v2', 'uid': u'runner_type:mistral-v2', 'name': u'mistral-v2', 'enabled': True, 'query_module': u'mistral_v2', 'runner_parameters': {u'skip_notify': {u'default': [], u'type': u'array', u'description': u'List of tasks to skip notifications for.'}, u'task': {u'type': u'string', u'description': u'The name of the task to run for reverse workflow.'}, u'context': {u'default': {}, u'type': u'object', u'description': u'Additional workflow inputs.'}, u'workflow': {u'type': u'string', u'description': u'The name of the workflow to run if the entry_point is a workbook of many workflows. The name should be in the format "<pack_name>.<action_name>.<workflow_name>". If entry point is a workflow or a workbook with a single workflow, the runner will identify the workflow automatically.'}}, 'id': '5e6603dcc75b50001c06b2ec', 'description': u'A runner for executing mistral v2 workflow.'}, start_timestamp="2020-03-25 02:52:07.783440+00:00", status="requested", trigger={'uid': u'trigger:core:8c13d9a3-12a3-4cff-88d3-66c804a47590:5e0acee19fa878c4fa07d596f7a893d6', 'parameters': {u'unit': u'minutes', u'delta': 5}, 'type': u'core.st2.IntervalTimer', 'pack': u'core', 'ref': u'core.8c13d9a3-12a3-4cff-88d3-66c804a47590', 'id': '5e78a2f0618fd301a43e2284', 'name': u'8c13d9a3-12a3-4cff-88d3-66c804a47590'}, trigger_instance={'status': u'processing', 'occurrence_time': '2020-03-25T02:09:58.990000Z', 'trigger': u'core.8c13d9a3-12a3-4cff-88d3-66c804a47590', 'id': '5e7abd778dc0dd0113f02625', 'payload': {u'executed_at': u'2020-03-25 02:07:30.775464+00:00', u'schedule': None}}, trigger_type={'uid': u'trigger_type:core:st2.IntervalTimer', 'tags': [], 'parameters_schema': {u'additionalProperties': False, u'type': u'object', u'properties': {u'timezone': {u'type': u'string'}, u'unit': {u'enum': [u'weeks', u'days', u'hours', u'minutes', u'seconds'], u'required': True}, u'delta': {u'required': True, u'type': u'integer'}}}, 'name': u'st2.IntervalTimer', 'payload_schema': {u'type': u'object', u'properties': {u'executed_at': {u'default': u'2014-07-30 05:04:24.578325', u'type': u'string', u'format': u'date-time'}, u'schedule': {u'default': {u'units': u'seconds', u'delta': 30}, u'type': u'object'}}}, 'pack': u'core', 'ref': u'core.st2.IntervalTimer', 'id': '5e6603b9a7918a0001b8a3b3', 'description': u'Triggers on specified intervals. e.g. every 30s, 1week etc.'}, web_url="https://dozer-st2rulesengine-dfddf8d47-7c8bw/#/history/5e7ad9048dc0dd0113f02628/general")>
返回該execution對象
附mongodb中該exeuction信息如下:
> db.action_execution_d_b.find({"_id": ObjectId('5e7ad9048dc0dd0113f02628')}).pretty();
{
"_id" : ObjectId("5e7ad9048dc0dd0113f02628"),
"trigger" : {
"uid" : "trigger:core:8c13d9a3-12a3-4cff-88d3-66c804a47590:5e0acee19fa878c4fa07d596f7a893d6",
"parameters" : {
"unit" : "minutes",
"delta" : 5
},
"type" : "core.st2.IntervalTimer",
"pack" : "core",
"ref" : "core.8c13d9a3-12a3-4cff-88d3-66c804a47590",
"id" : "5e78a2f0618fd301a43e2284",
"name" : "8c13d9a3-12a3-4cff-88d3-66c804a47590"
},
"trigger_type" : {
"description" : "Triggers on specified intervals. e.g. every 30s, 1week etc.",
"tags" : [ ],
"parameters_schema" : {
"additionalProperties" : false,
"type" : "object",
"properties" : {
"timezone" : {
"type" : "string"
},
"unit" : {
"enum" : [
"weeks",
"days",
"hours",
"minutes",
"seconds"
],
"required" : true
},
"delta" : {
"required" : true,
"type" : "integer"
}
}
},
"name" : "st2.IntervalTimer",
"payload_schema" : {
"type" : "object",
"properties" : {
"executed_at" : {
"default" : "2014-07-30 05:04:24.578325",
"type" : "string",
"format" : "date-time"
},
"schedule" : {
"default" : {
"units" : "seconds",
"delta" : 30
},
"type" : "object"
}
}
},
"uid" : "trigger_type:core:st2.IntervalTimer",
"ref" : "core.st2.IntervalTimer",
"id" : "5e6603b9a7918a0001b8a3b3",
"pack" : "core"
},
"trigger_instance" : {
"status" : "processing",
"occurrence_time" : "2020-03-25T02:09:58.990000Z",
"trigger" : "core.8c13d9a3-12a3-4cff-88d3-66c804a47590",
"id" : "5e7abd778dc0dd0113f02625",
"payload" : {
"executed_at" : "2020-03-25 02:07:30.775464+00:00",
"schedule" : null
}
},
"rule" : {
"description" : "Check L3 vRouter & LB & DHCP",
"tags" : [ ],
"ref" : "email.network-check",
"enabled" : true,
"trigger" : {
"ref" : "core.8c13d9a3-12a3-4cff-88d3-66c804a47590",
"type" : "core.st2.IntervalTimer",
"parameters" : {
"unit" : "minutes",
"delta" : 5
}
},
"context" : {
},
"criteria" : {
},
"action" : {
"ref" : "email.mistral-network-check",
"parameters" : {
"cmd" : "curl busybox:80/cmd/network/check.sh%20cn",
"email_to" : [
"[email protected]"
],
"email_from" : "[email protected]"
}
},
"uid" : "rule:email:network-check",
"pack" : "email",
"type" : {
"ref" : "standard",
"parameters" : {
}
},
"id" : "5e660433c75b50001c06b822",
"name" : "network-check"
},
"action" : {
"runner_type" : "mistral-v2",
"name" : "mistral-network-check",
"parameters" : {
"email_account" : {
"default" : "esdozer",
"type" : "string"
},
"cmd" : {
"required" : true,
"type" : "string"
},
"email_to" : {
"required" : true,
"type" : "array"
},
"email_from" : {
"type" : "string"
},
"timeout" : {
"default" : 1800,
"type" : "integer"
}
},
"tags" : [ ],
"enabled" : true,
"entry_point" : "workflows/mistral-network-check.yaml",
"notify" : {
},
"uid" : "action:email:mistral-network-check",
"pack" : "email",
"ref" : "email.mistral-network-check",
"id" : "5e660431c75b50001c06b807",
"description" : "Run network check script and output the result then send email."
},
"runner" : {
"runner_module" : "mistral_v2",
"uid" : "runner_type:mistral-v2",
"name" : "mistral-v2",
"enabled" : true,
"query_module" : "mistral_v2",
"runner_parameters" : {
"skip_notify" : {
"default" : [ ],
"type" : "array",
"description" : "List of tasks to skip notifications for."
},
"task" : {
"type" : "string",
"description" : "The name of the task to run for reverse workflow."
},
"context" : {
"default" : {
},
"type" : "object",
"description" : "Additional workflow inputs."
},
"workflow" : {
"type" : "string",
"description" : "The name of the workflow to run if the entry_point is a workbook of many workflows. The name should be in the format \"<pack_name>.<action_name>.<workflow_name>\". If entry point is a workflow or a workbook with a single workflow, the runner will identify the workflow automatically."
}
},
"id" : "5e6603dcc75b50001c06b2ec",
"description" : "A runner for executing mistral v2 workflow."
},
"liveaction" : {
"runner_info" : {
},
"parameters" : {
"cmd" : "curl busybox:80/cmd/network/check.sh%20cn",
"email_to" : [
"[email protected]"
],
"email_from" : "[email protected]"
},
"action_is_workflow" : true,
"callback" : {
},
"action" : "email.mistral-network-check",
"id" : "5e7ac84b8dc0dd0113f02627"
},
"status" : "requested",
"start_timestamp" : NumberLong("1585104727783440"),
"parameters" : {
"cmd" : "curl busybox:80/cmd/network/check.sh%20cn",
"email_to" : [
"[email protected]"
],
"email_from" : "[email protected]"
},
"result" : {
},
"context" : {
"trigger_instance" : {
"id" : "5e7abd778dc0dd0113f02625",
"name" : null
},
"trace_context" : {
"id_" : "5e7abd798dc0dd0113f02626",
"trace_tag" : "st2.IntervalTimer-8c13d9a3-12a3-4cff-88d3-66c804a47590"
},
"rule" : {
"id" : "5e660433c75b50001c06b822",
"name" : "network-check"
},
"user" : "[email protected]"
},
"children" : [ ],
"log" : [
{
"status" : "requested",
"timestamp" : ISODate("2020-03-25T04:04:53.094Z")
}
]
}
s7 更新trace_db信息，具體更新:
trace_db的action_executions一個列表，樣例如下:
[{'caused_by': {'type': 'rule', 'id': '5e660433c75b50001c06b822:5e7abd778dc0dd0113f02625'}, 'ref': 'email.mistral-network-check', 'id': '5e7ad9048dc0dd0113f02628'}]
s8 返回liveaction和execution,樣例如下:
(Pdb) p liveaction
<LiveActionDB: LiveActionDB(action="email.mistral-network-check", action_is_workflow=True, callback={}, context={'trigger_instance': {'id': '5e7abd778dc0dd0113f02625', 'name': None}, 'trace_context': {'id_': '5e7abd798dc0dd0113f02626', 'trace_tag': u'st2.IntervalTimer-8c13d9a3-12a3-4cff-88d3-66c804a47590'}, 'rule': {'id': '5e660433c75b50001c06b822', 'name': u'network-check'}, 'user': '[email protected]'}, end_timestamp=None, id=5e7ac84b8dc0dd0113f02627, notify=None, parameters={u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, result={}, runner_info={}, start_timestamp="2020-03-25 02:52:07.783440+00:00", status="requested")>
(Pdb) p execution
<ActionExecutionDB: ActionExecutionDB(action={'name': u'mistral-network-check', 'runner_type': u'mistral-v2', 'tags': [], 'description': u'Run network check script and output the result then send email.', 'enabled': True, 'entry_point': u'workflows/mistral-network-check.yaml', 'notify': {}, 'uid': u'action:email:mistral-network-check', 'parameters': {u'email_account': {u'default': u'esdozer', u'type': u'string'}, u'cmd': {u'required': True, u'type': u'string'}, u'email_to': {u'required': True, u'type': u'array'}, u'email_from': {u'type': u'string'}, u'timeout': {u'default': 1800, u'type': u'integer'}}, 'ref': u'email.mistral-network-check', 'id': '5e660431c75b50001c06b807', 'pack': u'email'}, children=[], context={'trigger_instance': {'id': '5e7abd778dc0dd0113f02625', 'name': None}, 'trace_context': {'id_': '5e7abd798dc0dd0113f02626', 'trace_tag': u'st2.IntervalTimer-8c13d9a3-12a3-4cff-88d3-66c804a47590'}, 'rule': {'id': '5e660433c75b50001c06b822', 'name': u'network-check'}, 'user': '[email protected]'}, end_timestamp=None, id=5e7ad9048dc0dd0113f02628, liveaction={'callback': {}, 'runner_info': {}, 'parameters': {u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, 'action': u'email.mistral-network-check', 'action_is_workflow': True, 'id': '5e7ac84b8dc0dd0113f02627'}, log=[{'status': 'requested', 'timestamp': datetime.datetime(2020, 3, 25, 4, 4, 53, 94189, tzinfo=tzutc())}], parameters={u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, parent=None, result={}, rule={'description': u'Check L3 vRouter & LB & DHCP', 'tags': [], 'ref': u'email.network-check', 'enabled': True, 'trigger': {'type': u'core.st2.IntervalTimer', 'ref': u'core.8c13d9a3-12a3-4cff-88d3-66c804a47590', 'parameters': {u'unit': u'minutes', u'delta': 5}}, 'context': {}, 'criteria': {}, 'action': {'ref': u'email.mistral-network-check', 'parameters': {u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}}, 'uid': u'rule:email:network-check', 'pack': u'email', 'type': {'ref': u'standard', 'parameters': {}}, 'id': '5e660433c75b50001c06b822', 'name': u'network-check'}, runner={'runner_module': u'mistral_v2', 'uid': u'runner_type:mistral-v2', 'name': u'mistral-v2', 'enabled': True, 'query_module': u'mistral_v2', 'runner_parameters': {u'skip_notify': {u'default': [], u'type': u'array', u'description': u'List of tasks to skip notifications for.'}, u'task': {u'type': u'string', u'description': u'The name of the task to run for reverse workflow.'}, u'context': {u'default': {}, u'type': u'object', u'description': u'Additional workflow inputs.'}, u'workflow': {u'type': u'string', u'description': u'The name of the workflow to run if the entry_point is a workbook of many workflows. The name should be in the format "<pack_name>.<action_name>.<workflow_name>". If entry point is a workflow or a workbook with a single workflow, the runner will identify the workflow automatically.'}}, 'id': '5e6603dcc75b50001c06b2ec', 'description': u'A runner for executing mistral v2 workflow.'}, start_timestamp="2020-03-25 02:52:07.783440+00:00", status="requested", trigger={'uid': u'trigger:core:8c13d9a3-12a3-4cff-88d3-66c804a47590:5e0acee19fa878c4fa07d596f7a893d6', 'parameters': {u'unit': u'minutes', u'delta': 5}, 'type': u'core.st2.IntervalTimer', 'pack': u'core', 'ref': u'core.8c13d9a3-12a3-4cff-88d3-66c804a47590', 'id': '5e78a2f0618fd301a43e2284', 'name': u'8c13d9a3-12a3-4cff-88d3-66c804a47590'}, trigger_instance={'status': u'processing', 'occurrence_time': '2020-03-25T02:09:58.990000Z', 'trigger': u'core.8c13d9a3-12a3-4cff-88d3-66c804a47590', 'id': '5e7abd778dc0dd0113f02625', 'payload': {u'executed_at': u'2020-03-25 02:07:30.775464+00:00', u'schedule': None}}, trigger_type={'uid': u'trigger_type:core:st2.IntervalTimer', 'tags': [], 'parameters_schema': {u'additionalProperties': False, u'type': u'object', u'properties': {u'timezone': {u'type': u'string'}, u'unit': {u'enum': [u'weeks', u'days', u'hours', u'minutes', u'seconds'], u'required': True}, u'delta': {u'required': True, u'type': u'integer'}}}, 'name': u'st2.IntervalTimer', 'payload_schema': {u'type': u'object', u'properties': {u'executed_at': {u'default': u'2014-07-30 05:04:24.578325', u'type': u'string', u'format': u'date-time'}, u'schedule': {u'default': {u'units': u'seconds', u'delta': 30}, u'type': u'object'}}}, 'pack': u'core', 'ref': u'core.st2.IntervalTimer', 'id': '5e6603b9a7918a0001b8a3b3', 'description': u'Triggers on specified intervals. e.g. every 30s, 1week etc.'}, web_url="https://dozer-st2rulesengine-dfddf8d47-7c8bw/#/history/5e7ad9048dc0dd0113f02628/general")>
3 調用 publish_request(liveaction, execution)，具體是
s1 根據輸入參數，樣例如下:
<LiveActionDB: LiveActionDB(action="email.mistral-network-check", action_is_workflow=True, callback={}, context={'trigger_instance': {'id': '5e7abd778dc0dd0113f02625', 'name': None}, 'trace_context': {'id_': '5e7abd798dc0dd0113f02626', 'trace_tag': u'st2.IntervalTimer-8c13d9a3-12a3-4cff-88d3-66c804a47590'}, 'rule': {'id': '5e660433c75b50001c06b822', 'name': u'network-check'}, 'user': '[email protected]'}, end_timestamp=None, id=5e7ac84b8dc0dd0113f02627, notify=None, parameters={u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, result={}, runner_info={}, start_timestamp="2020-03-25 02:52:07.783440+00:00", status="requested")>
(Pdb) p execution
<ActionExecutionDB: ActionExecutionDB(action={'name': u'mistral-network-check', 'runner_type': u'mistral-v2', 'tags': [], 'description': u'Run network check script and output the result then send email.', 'enabled': True, 'entry_point': u'workflows/mistral-network-check.yaml', 'notify': {}, 'uid': u'action:email:mistral-network-check', 'parameters': {u'email_account': {u'default': u'esdozer', u'type': u'string'}, u'cmd': {u'required': True, u'type': u'string'}, u'email_to': {u'required': True, u'type': u'array'}, u'email_from': {u'type': u'string'}, u'timeout': {u'default': 1800, u'type': u'integer'}}, 'ref': u'email.mistral-network-check', 'id': '5e660431c75b50001c06b807', 'pack': u'email'}, children=[], context={'trigger_instance': {'id': '5e7abd778dc0dd0113f02625', 'name': None}, 'trace_context': {'id_': '5e7abd798dc0dd0113f02626', 'trace_tag': u'st2.IntervalTimer-8c13d9a3-12a3-4cff-88d3-66c804a47590'}, 'rule': {'id': '5e660433c75b50001c06b822', 'name': u'network-check'}, 'user': '[email protected]'}, end_timestamp=None, id=5e7ad9048dc0dd0113f02628, liveaction={'callback': {}, 'runner_info': {}, 'parameters': {u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, 'action': u'email.mistral-network-check', 'action_is_workflow': True, 'id': '5e7ac84b8dc0dd0113f02627'}, log=[{'status': 'requested', 'timestamp': datetime.datetime(2020, 3, 25, 4, 4, 53, 94189, tzinfo=tzutc())}], parameters={u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, parent=None, result={}, rule={'description': u'Check L3 vRouter & LB & DHCP', 'tags': [], 'ref': u'email.network-check', 'enabled': True, 'trigger': {'type': u'core.st2.IntervalTimer', 'ref': u'core.8c13d9a3-12a3-4cff-88d3-66c804a47590', 'parameters': {u'unit': u'minutes', u'delta': 5}}, 'context': {}, 'criteria': {}, 'action': {'ref': u'email.mistral-network-check', 'parameters': {u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}}, 'uid': u'rule:email:network-check', 'pack': u'email', 'type': {'ref': u'standard', 'parameters': {}}, 'id': '5e660433c75b50001c06b822', 'name': u'network-check'}, runner={'runner_module': u'mistral_v2', 'uid': u'runner_type:mistral-v2', 'name': u'mistral-v2', 'enabled': True, 'query_module': u'mistral_v2', 'runner_parameters': {u'skip_notify': {u'default': [], u'type': u'array', u'description': u'List of tasks to skip notifications for.'}, u'task': {u'type': u'string', u'description': u'The name of the task to run for reverse workflow.'}, u'context': {u'default': {}, u'type': u'object', u'description': u'Additional workflow inputs.'}, u'workflow': {u'type': u'string', u'description': u'The name of the workflow to run if the entry_point is a workbook of many workflows. The name should be in the format "<pack_name>.<action_name>.<workflow_name>". If entry point is a workflow or a workbook with a single workflow, the runner will identify the workflow automatically.'}}, 'id': '5e6603dcc75b50001c06b2ec', 'description': u'A runner for executing mistral v2 workflow.'}, start_timestamp="2020-03-25 02:52:07.783440+00:00", status="requested", trigger={'uid': u'trigger:core:8c13d9a3-12a3-4cff-88d3-66c804a47590:5e0acee19fa878c4fa07d596f7a893d6', 'parameters': {u'unit': u'minutes', u'delta': 5}, 'type': u'core.st2.IntervalTimer', 'pack': u'core', 'ref': u'core.8c13d9a3-12a3-4cff-88d3-66c804a47590', 'id': '5e78a2f0618fd301a43e2284', 'name': u'8c13d9a3-12a3-4cff-88d3-66c804a47590'}, trigger_instance={'status': u'processing', 'occurrence_time': '2020-03-25T02:09:58.990000Z', 'trigger': u'core.8c13d9a3-12a3-4cff-88d3-66c804a47590', 'id': '5e7abd778dc0dd0113f02625', 'payload': {u'executed_at': u'2020-03-25 02:07:30.775464+00:00', u'schedule': None}}, trigger_type={'uid': u'trigger_type:core:st2.IntervalTimer', 'tags': [], 'parameters_schema': {u'additionalProperties': False, u'type': u'object', u'properties': {u'timezone': {u'type': u'string'}, u'unit': {u'enum': [u'weeks', u'days', u'hours', u'minutes', u'seconds'], u'required': True}, u'delta': {u'required': True, u'type': u'integer'}}}, 'name': u'st2.IntervalTimer', 'payload_schema': {u'type': u'object', u'properties': {u'executed_at': {u'default': u'2014-07-30 05:04:24.578325', u'type': u'string', u'format': u'date-time'}, u'schedule': {u'default': {u'units': u'seconds', u'delta': 30}, u'type': u'object'}}}, 'pack': u'core', 'ref': u'core.st2.IntervalTimer', 'id': '5e6603b9a7918a0001b8a3b3', 'description': u'Triggers on specified intervals. e.g. every 30s, 1week etc.'}, web_url="https://dozer-st2rulesengine-dfddf8d47-7c8bw/#/history/5e7ad9048dc0dd0113f02628/general")>
s2 調用LiveAction.publish_create(liveaction)，具體是:
調用Access類的publish_create(cls, model_object):
s2.1 根據輸入參數，樣例如下:
<class 'st2common.persistence.liveaction.LiveAction'>
(Pdb) p model_object
<LiveActionDB: LiveActionDB(action="email.mistral-network-check", action_is_workflow=True, callback={}, context={'trigger_instance': {'id': '5e7abd778dc0dd0113f02625', 'name': None}, 'trace_context': {'id_': '5e7abd798dc0dd0113f02626', 'trace_tag': u'st2.IntervalTimer-8c13d9a3-12a3-4cff-88d3-66c804a47590'}, 'rule': {'id': '5e660433c75b50001c06b822', 'name': u'network-check'}, 'user': '[email protected]'}, end_timestamp=None, id=5e7ac84b8dc0dd0113f02627, notify=None, parameters={u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, result={}, runner_info={}, start_timestamp="2020-03-25 02:52:07.783440+00:00", status="requested")>
s2.2 獲取到publisher，樣例如下:
(Pdb) p publisher.__dict__
{'_exchange': <unbound Exchange st2.liveaction(topic)>, '_state_publisher': <st2common.transport.publishers.PoolPublisher object at 0x47ce110>, '_state_exchange': <unbound Exchange st2.liveaction.status(topic)>, '_publisher': <st2common.transport.publishers.PoolPublisher object at 0x47ce110>}
s2.3 調用CUDPublisher的publish_create(model_object)，具體如下:
publish_create(self, payload):
s2.3.1 根據輸入參數，樣例如下:
(Pdb) p payload
<LiveActionDB: LiveActionDB(action="email.mistral-network-check", action_is_workflow=True, callback={}, context={'trigger_instance': {'id': '5e7abd778dc0dd0113f02625', 'name': None}, 'trace_context': {'id_': '5e7abd798dc0dd0113f02626', 'trace_tag': u'st2.IntervalTimer-8c13d9a3-12a3-4cff-88d3-66c804a47590'}, 'rule': {'id': '5e660433c75b50001c06b822', 'name': u'network-check'}, 'user': '[email protected]'}, end_timestamp=None, id=5e7ac84b8dc0dd0113f02627, notify=None, parameters={u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, result={}, runner_info={}, start_timestamp="2020-03-25 02:52:07.783440+00:00", status="requested")>
s2.3.2 發送消息，指定exchange爲:
(Pdb) p self._exchange.__dict__
{'type': 'topic', 'arguments': None, 'name': 'st2.liveaction'}
routing_key爲'create'
s3 調用 LiveAction.publish_status(liveaction)，具體是:
調用StatusBasedResource類的publish_status(cls, model_object):
s3.1 根據輸入參數，樣例如下:
(Pdb) p model_object
<LiveActionDB: LiveActionDB(action="email.mistral-network-check", action_is_workflow=True, callback={}, context={'trigger_instance': {'id': '5e7abd778dc0dd0113f02625', 'name': None}, 'trace_context': {'id_': '5e7abd798dc0dd0113f02626', 'trace_tag': u'st2.IntervalTimer-8c13d9a3-12a3-4cff-88d3-66c804a47590'}, 'rule': {'id': '5e660433c75b50001c06b822', 'name': u'network-check'}, 'user': '[email protected]'}, end_timestamp=None, id=5e7ac84b8dc0dd0113f02627, notify=None, parameters={u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, result={}, runner_info={}, start_timestamp="2020-03-25 02:52:07.783440+00:00", status="requested")>
s3.2 獲取publisher，樣例如下:
(Pdb) p publisher
<st2common.transport.liveaction.LiveActionPublisher object at 0x47ce610>
(Pdb) p publisher.__dict__
{'_exchange': <unbound Exchange st2.liveaction(topic)>, '_state_publisher': <st2common.transport.publishers.PoolPublisher object at 0x47ce110>, '_state_exchange': <unbound Exchange st2.liveaction.status(topic)>, '_publisher': <st2common.transport.publishers.PoolPublisher object at 0x47ce110>}
s3.3 調用 StatePublisherMixin類的publish_state(self, payload, state)方法發送消息，具體是
s3.3.1 根據輸入參數，樣例如下:
(Pdb) p payload
<LiveActionDB: LiveActionDB(action="email.mistral-network-check", action_is_workflow=True, callback={}, context={'trigger_instance': {'id': '5e7abd778dc0dd0113f02625', 'name': None}, 'trace_context': {'id_': '5e7abd798dc0dd0113f02626', 'trace_tag': u'st2.IntervalTimer-8c13d9a3-12a3-4cff-88d3-66c804a47590'}, 'rule': {'id': '5e660433c75b50001c06b822', 'name': u'network-check'}, 'user': '[email protected]'}, end_timestamp=None, id=5e7ac84b8dc0dd0113f02627, notify=None, parameters={u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, result={}, runner_info={}, start_timestamp="2020-03-25 02:52:07.783440+00:00", status="requested")>
(Pdb) p state
'requested'
s3.3.2 調用SharedPoolPublishers對象的publish方法
exchange是: <unbound Exchange st2.liveaction.status(topic)>
將payload發送出去，routing_key是'requested'
s4 調用ActionExecution.publish_create(execution)，具體是:
execution記錄調試:
s4.1 publish_create(cls, model_object):
根據輸入參數，樣例如下:
(Pdb) p cls
<class 'st2common.persistence.execution.ActionExecution'>
(Pdb) p model_object
<ActionExecutionDB: ActionExecutionDB(action={'name': u'mistral-network-check', 'runner_type': u'mistral-v2', 'tags': [], 'description': u'Run network check script and output the result then send email.', 'enabled': True, 'entry_point': u'workflows/mistral-network-check.yaml', 'notify': {}, 'uid': u'action:email:mistral-network-check', 'parameters': {u'email_account': {u'default': u'esdozer', u'type': u'string'}, u'cmd': {u'required': True, u'type': u'string'}, u'email_to': {u'required': True, u'type': u'array'}, u'email_from': {u'type': u'string'}, u'timeout': {u'default': 1800, u'type': u'integer'}}, 'ref': u'email.mistral-network-check', 'id': '5e8067ae146db400130967e8', 'pack': u'email'}, children=[], context={'trigger_instance': {'id': '5e81d44bb99f2a002b34aeed', 'name': None}, 'trace_context': {'id_': '5e81d44bb99f2a002b34aeee', 'trace_tag': u'st2.IntervalTimer-ac7abf3a-9966-480a-8376-1b156bdbef56'}, 'rule': {'id': '5e8067b3146db4001309686c', 'name': u'network-check'}, 'user': '[email protected]'}, end_timestamp=None, id=5e81d44cb99f2a002b34aef0, liveaction={'callback': {}, 'runner_info': {}, 'parameters': {u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, 'action': u'email.mistral-network-check', 'action_is_workflow': True, 'id': '5e81d44cb99f2a002b34aeef'}, log=[{'status': 'requested', 'timestamp': datetime.datetime(2020, 3, 30, 11, 13, 16, 797752, tzinfo=tzutc())}], parameters={u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, parent=None, result={}, rule={'description': u'Check L3 vRouter & LB & DHCP', 'tags': [], 'ref': u'email.network-check', 'enabled': True, 'trigger': {'type': u'core.st2.IntervalTimer', 'ref': u'core.ac7abf3a-9966-480a-8376-1b156bdbef56', 'parameters': {u'unit': u'minutes', u'delta': 10}}, 'context': {}, 'criteria': {}, 'action': {'ref': u'email.mistral-network-check', 'parameters': {u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}}, 'uid': u'rule:email:network-check', 'pack': u'email', 'type': {'ref': u'standard', 'parameters': {}}, 'id': '5e8067b3146db4001309686c', 'name': u'network-check'}, runner={'runner_module': u'mistral_v2', 'uid': u'runner_type:mistral-v2', 'name': u'mistral-v2', 'enabled': True, 'query_module': u'mistral_v2', 'runner_parameters': {u'skip_notify': {u'default': [], u'type': u'array', u'description': u'List of tasks to skip notifications for.'}, u'task': {u'type': u'string', u'description': u'The name of the task to run for reverse workflow.'}, u'context': {u'default': {}, u'type': u'object', u'description': u'Additional workflow inputs.'}, u'workflow': {u'type': u'string', u'description': u'The name of the workflow to run if the entry_point is a workbook of many workflows. The name should be in the format "<pack_name>.<action_name>.<workflow_name>". If entry point is a workflow or a workbook with a single workflow, the runner will identify the workflow automatically.'}}, 'id': '5e806772146db40013096339', 'description': u'A runner for executing mistral v2 workflow.'}, start_timestamp="2020-03-30 11:13:16.718857+00:00", status="requested", trigger={'uid': u'trigger:core:ac7abf3a-9966-480a-8376-1b156bdbef56:d561c05e470c37028940525af03d7eb5', 'parameters': {u'unit': u'minutes', u'delta': 10}, 'type': u'core.st2.IntervalTimer', 'pack': u'core', 'ref': u'core.ac7abf3a-9966-480a-8376-1b156bdbef56', 'id': '5e8160e028d08b002d5ecd0c', 'name': u'ac7abf3a-9966-480a-8376-1b156bdbef56'}, trigger_instance={'status': u'processing', 'occurrence_time': '2020-03-30T11:13:15.815000Z', 'trigger': u'core.ac7abf3a-9966-480a-8376-1b156bdbef56', 'id': '5e81d44bb99f2a002b34aeed', 'payload': {u'executed_at': u'2020-03-30 11:13:15.770559+00:00', u'schedule': None}}, trigger_type={'uid': u'trigger_type:core:st2.IntervalTimer', 'tags': [], 'parameters_schema': {u'additionalProperties': False, u'type': u'object', u'properties': {u'timezone': {u'type': u'string'}, u'unit': {u'enum': [u'weeks', u'days', u'hours', u'minutes', u'seconds'], u'required': True}, u'delta': {u'required': True, u'type': u'integer'}}}, 'name': u'st2.IntervalTimer', 'payload_schema': {u'type': u'object', u'properties': {u'executed_at': {u'default': u'2014-07-30 05:04:24.578325', u'type': u'string', u'format': u'date-time'}, u'schedule': {u'default': {u'units': u'seconds', u'delta': 30}, u'type': u'object'}}}, 'pack': u'core', 'ref': u'core.st2.IntervalTimer', 'id': '5e80674e4a20a500018b1713', 'description': u'Triggers on specified intervals. e.g. every 30s, 1week etc.'}, web_url="https://dozer-st2rulesengine-5b6cc5466-ttchq/#/history/5e81d44cb99f2a002b34aef0/general")>
s4.2 獲取publisher，樣例如下:
(Pdb) p publisher
<st2common.transport.execution.ActionExecutionPublisher object at 0x3b6e690>
(Pdb) p publisher.__dict__
{'_exchange': <unbound Exchange st2.execution(topic)>, '_publisher': <st2common.transport.publishers.PoolPublisher object at 0x3c9e850>}
(Pdb) p publisher._exchange.__dict__
{'type': 'topic', 'arguments': None, 'name': 'st2.execution'}
s4.3 調用 /opt/stackstorm/st2/lib/python2.7/site-packages/st2common/transport/publishers.py(92)publish_create()
的def publish_create(self, payload)方法
def publish_create(self, payload):
self._publisher.publish(payload, self._exchange, CREATE_RK)
分析: (Pdb) p CREATE_RK
'create'
總結: ActionExecution的publish_create方法中exchange是topic類型，exchange名稱是
'st2.execution'，routing_key是'create'
4 返回: liveaction, execution
樣例如下:
(Pdb) p liveaction
<LiveActionDB: LiveActionDB(action="email.mistral-network-check", action_is_workflow=True, callback={}, context={'trigger_instance': {'id': '5e81d44bb99f2a002b34aeed', 'name': None}, 'trace_context': {'id_': '5e81d44bb99f2a002b34aeee', 'trace_tag': u'st2.IntervalTimer-ac7abf3a-9966-480a-8376-1b156bdbef56'}, 'rule': {'id': '5e8067b3146db4001309686c', 'name': u'network-check'}, 'user': '[email protected]'}, end_timestamp=None, id=5e81d44cb99f2a002b34aeef, notify=None, parameters={u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, result={}, runner_info={}, start_timestamp="2020-03-30 11:13:16.718857+00:00", status="requested")>
(Pdb) p execution
<ActionExecutionDB: ActionExecutionDB(action={'name': u'mistral-network-check', 'runner_type': u'mistral-v2', 'tags': [], 'description': u'Run network check script and output the result then send email.', 'enabled': True, 'entry_point': u'workflows/mistral-network-check.yaml', 'notify': {}, 'uid': u'action:email:mistral-network-check', 'parameters': {u'email_account': {u'default': u'esdozer', u'type': u'string'}, u'cmd': {u'required': True, u'type': u'string'}, u'email_to': {u'required': True, u'type': u'array'}, u'email_from': {u'type': u'string'}, u'timeout': {u'default': 1800, u'type': u'integer'}}, 'ref': u'email.mistral-network-check', 'id': '5e8067ae146db400130967e8', 'pack': u'email'}, children=[], context={'trigger_instance': {'id': '5e81d44bb99f2a002b34aeed', 'name': None}, 'trace_context': {'id_': '5e81d44bb99f2a002b34aeee', 'trace_tag': u'st2.IntervalTimer-ac7abf3a-9966-480a-8376-1b156bdbef56'}, 'rule': {'id': '5e8067b3146db4001309686c', 'name': u'network-check'}, 'user': '[email protected]'}, end_timestamp=None, id=5e81d44cb99f2a002b34aef0, liveaction={'callback': {}, 'runner_info': {}, 'parameters': {u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, 'action': u'email.mistral-network-check', 'action_is_workflow': True, 'id': '5e81d44cb99f2a002b34aeef'}, log=[{'status': 'requested', 'timestamp': datetime.datetime(2020, 3, 30, 11, 13, 16, 797752, tzinfo=tzutc())}], parameters={u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, parent=None, result={}, rule={'description': u'Check L3 vRouter & LB & DHCP', 'tags': [], 'ref': u'email.network-check', 'enabled': True, 'trigger': {'type': u'core.st2.IntervalTimer', 'ref': u'core.ac7abf3a-9966-480a-8376-1b156bdbef56', 'parameters': {u'unit': u'minutes', u'delta': 10}}, 'context': {}, 'criteria': {}, 'action': {'ref': u'email.mistral-network-check', 'parameters': {u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}}, 'uid': u'rule:email:network-check', 'pack': u'email', 'type': {'ref': u'standard', 'parameters': {}}, 'id': '5e8067b3146db4001309686c', 'name': u'network-check'}, runner={'runner_module': u'mistral_v2', 'uid': u'runner_type:mistral-v2', 'name': u'mistral-v2', 'enabled': True, 'query_module': u'mistral_v2', 'runner_parameters': {u'skip_notify': {u'default': [], u'type': u'array', u'description': u'List of tasks to skip notifications for.'}, u'task': {u'type': u'string', u'description': u'The name of the task to run for reverse workflow.'}, u'context': {u'default': {}, u'type': u'object', u'description': u'Additional workflow inputs.'}, u'workflow': {u'type': u'string', u'description': u'The name of the workflow to run if the entry_point is a workbook of many workflows. The name should be in the format "<pack_name>.<action_name>.<workflow_name>". If entry point is a workflow or a workbook with a single workflow, the runner will identify the workflow automatically.'}}, 'id': '5e806772146db40013096339', 'description': u'A runner for executing mistral v2 workflow.'}, start_timestamp="2020-03-30 11:13:16.718857+00:00", status="requested", trigger={'uid': u'trigger:core:ac7abf3a-9966-480a-8376-1b156bdbef56:d561c05e470c37028940525af03d7eb5', 'parameters': {u'unit': u'minutes', u'delta': 10}, 'type': u'core.st2.IntervalTimer', 'pack': u'core', 'ref': u'core.ac7abf3a-9966-480a-8376-1b156bdbef56', 'id': '5e8160e028d08b002d5ecd0c', 'name': u'ac7abf3a-9966-480a-8376-1b156bdbef56'}, trigger_instance={'status': u'processing', 'occurrence_time': '2020-03-30T11:13:15.815000Z', 'trigger': u'core.ac7abf3a-9966-480a-8376-1b156bdbef56', 'id': '5e81d44bb99f2a002b34aeed', 'payload': {u'executed_at': u'2020-03-30 11:13:15.770559+00:00', u'schedule': None}}, trigger_type={'uid': u'trigger_type:core:st2.IntervalTimer', 'tags': [], 'parameters_schema': {u'additionalProperties': False, u'type': u'object', u'properties': {u'timezone': {u'type': u'string'}, u'unit': {u'enum': [u'weeks', u'days', u'hours', u'minutes', u'seconds'], u'required': True}, u'delta': {u'required': True, u'type': u'integer'}}}, 'name': u'st2.IntervalTimer', 'payload_schema': {u'type': u'object', u'properties': {u'executed_at': {u'default': u'2014-07-30 05:04:24.578325', u'type': u'string', u'format': u'date-time'}, u'schedule': {u'default': {u'units': u'seconds', u'delta': 30}, u'type': u'object'}}}, 'pack': u'core', 'ref': u'core.st2.IntervalTimer', 'id': '5e80674e4a20a500018b1713', 'description': u'Triggers on specified intervals. e.g. every 30s, 1week etc.'}, web_url="https://dozer-st2rulesengine-5b6cc5466-ttchq/#/history/5e81d44cb99f2a002b34aef0/general")>
5 返回execution，樣例如下:
<ActionExecutionDB: ActionExecutionDB(action={'name': u'mistral-network-check', 'runner_type': u'mistral-v2', 'tags': [], 'description': u'Run network check script and output the result then send email.', 'enabled': True, 'entry_point': u'workflows/mistral-network-check.yaml', 'notify': {}, 'uid': u'action:email:mistral-network-check', 'parameters': {u'email_account': {u'default': u'esdozer', u'type': u'string'}, u'cmd': {u'required': True, u'type': u'string'}, u'email_to': {u'required': True, u'type': u'array'}, u'email_from': {u'type': u'string'}, u'timeout': {u'default': 1800, u'type': u'integer'}}, 'ref': u'email.mistral-network-check', 'id': '5e8067ae146db400130967e8', 'pack': u'email'}, children=[], context={'trigger_instance': {'id': '5e81d44bb99f2a002b34aeed', 'name': None}, 'trace_context': {'id_': '5e81d44bb99f2a002b34aeee', 'trace_tag': u'st2.IntervalTimer-ac7abf3a-9966-480a-8376-1b156bdbef56'}, 'rule': {'id': '5e8067b3146db4001309686c', 'name': u'network-check'}, 'user': '[email protected]'}, end_timestamp=None, id=5e81d44cb99f2a002b34aef0, liveaction={'callback': {}, 'runner_info': {}, 'parameters': {u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, 'action': u'email.mistral-network-check', 'action_is_workflow': True, 'id': '5e81d44cb99f2a002b34aeef'}, log=[{'status': 'requested', 'timestamp': datetime.datetime(2020, 3, 30, 11, 13, 16, 797752, tzinfo=tzutc())}], parameters={u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, parent=None, result={}, rule={'description': u'Check L3 vRouter & LB & DHCP', 'tags': [], 'ref': u'email.network-check', 'enabled': True, 'trigger': {'type': u'core.st2.IntervalTimer', 'ref': u'core.ac7abf3a-9966-480a-8376-1b156bdbef56', 'parameters': {u'unit': u'minutes', u'delta': 10}}, 'context': {}, 'criteria': {}, 'action': {'ref': u'email.mistral-network-check', 'parameters': {u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}}, 'uid': u'rule:email:network-check', 'pack': u'email', 'type': {'ref': u'standard', 'parameters': {}}, 'id': '5e8067b3146db4001309686c', 'name': u'network-check'}, runner={'runner_module': u'mistral_v2', 'uid': u'runner_type:mistral-v2', 'name': u'mistral-v2', 'enabled': True, 'query_module': u'mistral_v2', 'runner_parameters': {u'skip_notify': {u'default': [], u'type': u'array', u'description': u'List of tasks to skip notifications for.'}, u'task': {u'type': u'string', u'description': u'The name of the task to run for reverse workflow.'}, u'context': {u'default': {}, u'type': u'object', u'description': u'Additional workflow inputs.'}, u'workflow': {u'type': u'string', u'description': u'The name of the workflow to run if the entry_point is a workbook of many workflows. The name should be in the format "<pack_name>.<action_name>.<workflow_name>". If entry point is a workflow or a workbook with a single workflow, the runner will identify the workflow automatically.'}}, 'id': '5e806772146db40013096339', 'description': u'A runner for executing mistral v2 workflow.'}, start_timestamp="2020-03-30 11:13:16.718857+00:00", status="requested", trigger={'uid': u'trigger:core:ac7abf3a-9966-480a-8376-1b156bdbef56:d561c05e470c37028940525af03d7eb5', 'parameters': {u'unit': u'minutes', u'delta': 10}, 'type': u'core.st2.IntervalTimer', 'pack': u'core', 'ref': u'core.ac7abf3a-9966-480a-8376-1b156bdbef56', 'id': '5e8160e028d08b002d5ecd0c', 'name': u'ac7abf3a-9966-480a-8376-1b156bdbef56'}, trigger_instance={'status': u'processing', 'occurrence_time': '2020-03-30T11:13:15.815000Z', 'trigger': u'core.ac7abf3a-9966-480a-8376-1b156bdbef56', 'id': '5e81d44bb99f2a002b34aeed', 'payload': {u'executed_at': u'2020-03-30 11:13:15.770559+00:00', u'schedule': None}}, trigger_type={'uid': u'trigger_type:core:st2.IntervalTimer', 'tags': [], 'parameters_schema': {u'additionalProperties': False, u'type': u'object', u'properties': {u'timezone': {u'type': u'string'}, u'unit': {u'enum': [u'weeks', u'days', u'hours', u'minutes', u'seconds'], u'required': True}, u'delta': {u'required': True, u'type': u'integer'}}}, 'name': u'st2.IntervalTimer', 'payload_schema': {u'type': u'object', u'properties': {u'executed_at': {u'default': u'2014-07-30 05:04:24.578325', u'type': u'string', u'format': u'date-time'}, u'schedule': {u'default': {u'units': u'seconds', u'delta': 30}, u'type': u'object'}}}, 'pack': u'core', 'ref': u'core.st2.IntervalTimer', 'id': '5e80674e4a20a500018b1713', 'description': u'Triggers on specified intervals. e.g. every 30s, 1week etc.'}, web_url="https://dozer-st2rulesengine-5b6cc5466-ttchq/#/history/5e81d44cb99f2a002b34aef0/general")>
3 指定enforcement_db的execution_id爲execution對象的id，相當於做了關聯，然後更新rule_enforcement，
4 返回execution_db，樣例如下:
<ActionExecutionDB: ActionExecutionDB(action={'name': u'mistral-network-check', 'runner_type': u'mistral-v2', 'tags': [], 'description': u'Run network check script and output the result then send email.', 'enabled': True, 'entry_point': u'workflows/mistral-network-check.yaml', 'notify': {}, 'uid': u'action:email:mistral-network-check', 'parameters': {u'email_account': {u'default': u'esdozer', u'type': u'string'}, u'cmd': {u'required': True, u'type': u'string'}, u'email_to': {u'required': True, u'type': u'array'}, u'email_from': {u'type': u'string'}, u'timeout': {u'default': 1800, u'type': u'integer'}}, 'ref': u'email.mistral-network-check', 'id': '5e8067ae146db400130967e8', 'pack': u'email'}, children=[], context={'trigger_instance': {'id': '5e81d44bb99f2a002b34aeed', 'name': None}, 'trace_context': {'id_': '5e81d44bb99f2a002b34aeee', 'trace_tag': u'st2.IntervalTimer-ac7abf3a-9966-480a-8376-1b156bdbef56'}, 'rule': {'id': '5e8067b3146db4001309686c', 'name': u'network-check'}, 'user': '[email protected]'}, end_timestamp=None, id=5e81d44cb99f2a002b34aef0, liveaction={'callback': {}, 'runner_info': {}, 'parameters': {u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, 'action': u'email.mistral-network-check', 'action_is_workflow': True, 'id': '5e81d44cb99f2a002b34aeef'}, log=[{'status': 'requested', 'timestamp': datetime.datetime(2020, 3, 30, 11, 13, 16, 797752, tzinfo=tzutc())}], parameters={u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}, parent=None, result={}, rule={'description': u'Check L3 vRouter & LB & DHCP', 'tags': [], 'ref': u'email.network-check', 'enabled': True, 'trigger': {'type': u'core.st2.IntervalTimer', 'ref': u'core.ac7abf3a-9966-480a-8376-1b156bdbef56', 'parameters': {u'unit': u'minutes', u'delta': 10}}, 'context': {}, 'criteria': {}, 'action': {'ref': u'email.mistral-network-check', 'parameters': {u'cmd': u'curl busybox:80/cmd/network/check.sh%20cn', u'email_to': [u'[email protected]'], u'email_from': u'[email protected]'}}, 'uid': u'rule:email:network-check', 'pack': u'email', 'type': {'ref': u'standard', 'parameters': {}}, 'id': '5e8067b3146db4001309686c', 'name': u'network-check'}, runner={'runner_module': u'mistral_v2', 'uid': u'runner_type:mistral-v2', 'name': u'mistral-v2', 'enabled': True, 'query_module': u'mistral_v2', 'runner_parameters': {u'skip_notify': {u'default': [], u'type': u'array', u'description': u'List of tasks to skip notifications for.'}, u'task': {u'type': u'string', u'description': u'The name of the task to run for reverse workflow.'}, u'context': {u'default': {}, u'type': u'object', u'description': u'Additional workflow inputs.'}, u'workflow': {u'type': u'string', u'description': u'The name of the workflow to run if the entry_point is a workbook of many workflows. The name should be in the format "<pack_name>.<action_name>.<workflow_name>". If entry point is a workflow or a workbook with a single workflow, the runner will identify the workflow automatically.'}}, 'id': '5e806772146db40013096339', 'description': u'A runner for executing mistral v2 workflow.'}, start_timestamp="2020-03-30 11:13:16.718857+00:00", status="requested", trigger={'uid': u'trigger:core:ac7abf3a-9966-480a-8376-1b156bdbef56:d561c05e470c37028940525af03d7eb5', 'parameters': {u'unit': u'minutes', u'delta': 10}, 'type': u'core.st2.IntervalTimer', 'pack': u'core', 'ref': u'core.ac7abf3a-9966-480a-8376-1b156bdbef56', 'id': '5e8160e028d08b002d5ecd0c', 'name': u'ac7abf3a-9966-480a-8376-1b156bdbef56'}, trigger_instance={'status': u'processing', 'occurrence_time': '2020-03-30T11:13:15.815000Z', 'trigger': u'core.ac7abf3a-9966-480a-8376-1b156bdbef56', 'id': '5e81d44bb99f2a002b34aeed', 'payload': {u'executed_at': u'2020-03-30 11:13:15.770559+00:00', u'schedule': None}}, trigger_type={'uid': u'trigger_type:core:st2.IntervalTimer', 'tags': [], 'parameters_schema': {u'additionalProperties': False, u'type': u'object', u'properties': {u'timezone': {u'type': u'string'}, u'unit': {u'enum': [u'weeks', u'days', u'hours', u'minutes', u'seconds'], u'required': True}, u'delta': {u'required': True, u'type': u'integer'}}}, 'name': u'st2.IntervalTimer', 'payload_schema': {u'type': u'object', u'properties': {u'executed_at': {u'default': u'2014-07-30 05:04:24.578325', u'type': u'string', u'format': u'date-time'}, u'schedule': {u'default': {u'units': u'seconds', u'delta': 30}, u'type': u'object'}}}, 'pack': u'core', 'ref': u'core.st2.IntervalTimer', 'id': '5e80674e4a20a500018b1713', 'description': u'Triggers on specified intervals. e.g. every 30s, 1week etc.'}, web_url="https://dozer-st2rulesengine-5b6cc5466-ttchq/#/history/5e81d44cb99f2a002b34aef0/general")>
5 將trigger_instance中status從processing更新爲processed
==================================
==================================
將RulesEngine規則引擎的相關分析放在4中分析。
參考:
stackstorm 2.6代碼