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Some more cleanup. Using collections.deque to gather up the messages from Slack before they are handled.

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This commit is contained in:
Gareth J. Greenaway 2022-10-25 14:46:58 -07:00 • committed by Megan Wilhite
parent 46358c645b
commit b393a7a6a8
4 changed files with 126 additions and 76 deletions
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1
changelog/57842.fixed Normal file
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@ -0,0 +1 @@
Updating Slack engine to use slack_bolt library.

105
salt/engines/slack.py
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@ -146,6 +146,7 @@ must be quoted, or else PyYAML will fail to load the configuration.
"""
import ast
import collections
import datetime
import itertools
import logging
@ -166,8 +167,8 @@ import salt.utils.slack
import salt.utils.yaml
try:
from slack_bolt import App
from slack_bolt.adapter.socket_mode import SocketModeHandler
import slack_bolt
import slack_bolt.adapter.socket_mode
HAS_SLACKBOLT = True
except ImportError:
@ -180,19 +181,34 @@ __virtualname__ = "slack"
def __virtual__():
if not HAS_SLACKBOLT:
return (False, "The 'slackclient' Python module could not be loaded")
return (False, "The 'slack_bolt' Python module could not be loaded")
return __virtualname__
class SlackClient:
def __init__(self, app_token, bot_token):
def __init__(self, app_token, bot_token, trigger_string):
self.master_minion = salt.minion.MasterMinion(__opts__)
self.app = App(token=bot_token)
self.handler = SocketModeHandler(self.app, app_token)
self.app = slack_bolt.App(token=bot_token)
self.handler = slack_bolt.adapter.socket_mode.SocketModeHandler(
self.app, app_token
)
self.handler.connect()
self.app.message(re.compile("(^!.*)"))(self.message_trigger)
self.app_token = app_token
self.bot_token = bot_token
self.msg_queue = collections.deque()
trigger_pattern = "(^{}.*)".format(trigger_string)
# Register message_trigger when we see messages that start
# with the trigger string
self.app.message(re.compile(trigger_pattern))(self.message_trigger)
def message_trigger(self, message):
# Add the received message to the queue
self.msg_queue.append(message)
def get_slack_users(self, token):
"""
@ -547,13 +563,12 @@ class SlackClient:
return data
for sleeps in (5, 10, 30, 60):
if self.slack_connect:
if self.handler:
break
else:
# see https://api.slack.com/docs/rate-limits
log.warning(
"Slack connection is invalid. Server: %s, sleeping %s",
self.sc.server,
"Slack connection is invalid, sleeping %s",
sleeps,
)
time.sleep(
@ -562,51 +577,51 @@ class SlackClient:
else:
raise UserWarning(
"Connection to slack is still invalid, giving up: {}".format(
self.slack_connect
self.handler
)
) # Boom!
while True:
msg = self.sc.rtm_read()
for m_data in msg:
while self.msg_queue:
msg = self.msg_queue.popleft()
try:
msg_text = self.message_text(m_data)
msg_text = self.message_text(msg)
except (ValueError, TypeError) as msg_err:
log.debug(
"Got an error from trying to get the message text %s", msg_err
)
yield {"message_data": m_data} # Not a message type from the API?
yield {"message_data": msg} # Not a message type from the API?
continue
# Find the channel object from the channel name
channel = self.sc.server.channels.find(m_data["channel"])
data = just_data(m_data)
channel = msg["channel"]
data = just_data(msg)
if msg_text.startswith(trigger_string):
loaded_groups = self.get_config_groups(groups, groups_pillar_name)
if not data.get("user_name"):
log.error(
"The user %s can not be looked up via slack. What has"
" happened here?",
m_data.get("user"),
msg.get("user"),
)
channel.send_message(
"The user {} can not be looked up via slack. Not"
" running {}".format(data["user_id"], msg_text)
)
yield {"message_data": m_data}
yield {"message_data": msg}
continue
(allowed, target, cmdline) = self.control_message_target(
data["user_name"], msg_text, loaded_groups, trigger_string
)
log.debug("Got target: %s, cmdline: %s", target, cmdline)
if allowed:
yield {
"message_data": m_data,
"channel": m_data["channel"],
ret = {
"message_data": msg,
"channel": msg["channel"],
"user": data["user_id"],
"user_name": data["user_name"],
"cmdline": cmdline,
"target": target,
}
yield ret
continue
else:
channel.send_message(
@ -780,6 +795,7 @@ class SlackClient:
# Drain the slack messages, up to 10 messages at a clip
count = 0
for msg in message_generator:
if msg:
# The message_generator yields dicts. Leave this loop
# on a dict that looks like {'done': True} or when we've done it
# 10 times without taking a break.
@ -799,18 +815,20 @@ class SlackClient:
if fire_all:
log.debug("Firing message to the bus with tag: %s", tag)
log.debug("%s %s", tag, msg)
self.fire("{}/{}".format(tag, msg["message_data"].get("type")), msg)
self.fire(
"{}/{}".format(tag, msg["message_data"].get("type")), msg
)
if control and (len(msg) > 1) and msg.get("cmdline"):
channel = self.sc.server.channels.find(msg["channel"])
jid = self.run_command_async(msg)
log.debug("Submitted a job and got jid: %s", jid)
outstanding[
jid
] = msg # record so we can return messages to the caller
channel.send_message(
"@{}'s job is submitted as salt jid {}".format(
text_msg = "@{}'s job is submitted as salt jid {}".format(
msg["user_name"], jid
)
self.app.client.chat_postMessage(
channel=msg["channel"], text=text_msg
)
count += 1
start_time = time.time()
@ -829,7 +847,7 @@ class SlackClient:
log.debug("ret to send back is %s", result)
# formatting function?
this_job = outstanding[jid]
channel = self.sc.server.channels.find(this_job["channel"])
channel = this_job["channel"]
return_text = self.format_return_text(result, function)
return_prefix = (
"@{}'s job `{}` (id: {}) (target: {}) returned".format(
@ -839,19 +857,19 @@ class SlackClient:
this_job["target"],
)
)
channel.send_message(return_prefix)
self.app.client.chat_postMessage(
channel=channel, text=return_prefix
)
ts = time.time()
st = datetime.datetime.fromtimestamp(ts).strftime("%Y%m%d%H%M%S%f")
filename = "salt-results-{}.yaml".format(st)
r = self.sc.api_call(
"files.upload",
channels=channel.id,
resp = self.app.client.files_upload(
channels=channel,
filename=filename,
content=return_text,
)
# Handle unicode return
log.debug("Got back %s via the slack client", r)
resp = salt.utils.yaml.safe_load(salt.utils.json.dumps(r))
log.debug("Got back %s via the slack client", resp)
if "ok" in resp and resp["ok"] is False:
this_job["channel"].send_message(
"Error: {}".format(resp["error"])
@ -919,7 +937,8 @@ class SlackClient:
def start(
token,
app_token,
bot_token,
control=False,
trigger="!",
groups=None,
@ -931,18 +950,18 @@ def start(
Listen to slack events and forward them to salt, new version
"""
if (not token) or (not token.startswith("xoxb")):
if (not bot_token) or (not bot_token.startswith("xoxb")):
time.sleep(2) # don't respawn too quickly
log.error("Slack bot token not found, bailing...")
raise UserWarning("Slack Engine bot token not configured")
app_token = "xapp-1-A047F7H80DC-4245337892359-e26770884d0e159372cdeb768fa44ca62523f144c7082d4d56d76127e3619456"
bot_token = "xoxb-2848035968-4245469590103-ZE5uptNNYhffMiM8rND5iX01"
try:
client = SlackClient(app_token=app_token, bot_token=bot_token)
# message_generator = client.generate_triggered_messages(
# token, trigger, groups, groups_pillar_name
# )
# client.run_commands_from_slack_async(message_generator, fire_all, tag, control)
client = SlackClient(
app_token=app_token, bot_token=bot_token, trigger_string=trigger
)
message_generator = client.generate_triggered_messages(
bot_token, trigger, groups, groups_pillar_name
)
client.run_commands_from_slack_async(message_generator, fire_all, tag, control)
except Exception: # pylint: disable=broad-except
raise Exception("{}".format(traceback.format_exc()))

2
salt/utils/slack.py
View file

@ -46,7 +46,7 @@ def query(
ret = {"message": "", "res": True}
slack_functions = {
"rooms": {"request": "channels.list", "response": "channels"},
"rooms": {"request": "conversations.list", "response": "channels"},
"users": {"request": "users.list", "response": "members"},
"message": {"request": "chat.postMessage", "response": "channel"},
}

38
tests/pytests/unit/engines/test_slack.py
View file

@ -9,11 +9,33 @@ from tests.support.mock import MagicMock, patch
pytestmark = [
pytest.mark.skipif(
slack.HAS_SLACKCLIENT is False, reason="The SlackClient is not installed"
slack.HAS_SLACKBOLT is False, reason="The slack_bolt is not installed"
)
]
class MockSlackBoltSocketMode:
def __init__(self, *args, **kwargs):
self.args = args
self.kwargs = kwargs
def connect(self, *args, **kwargs):
return True
class MockSlackBoltApp:
def __init__(self, *args, **kwargs):
self.args = args
self.kwargs = kwargs
self.client = None
self.logger = None
self.proxy = None
def message(self, *args, **kwargs):
return MagicMock(return_value=True)
@pytest.fixture
def configure_loader_modules():
return {slack: {}}
@ -22,11 +44,19 @@ def configure_loader_modules():
@pytest.fixture
def slack_client():
mock_opts = salt.config.DEFAULT_MINION_OPTS.copy()
token = "xoxb-xxxxxxxxxx-xxxxxxxxxxxxxxxxxxxxxxxx"
app_token = "xapp-x-xxxxxxxxxxx-xxxxxxxxxxxxx-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
bot_token = "xoxb-xxxxxxxxxx-xxxxxxxxxxxxxxxxxxxxxxxx"
trigger = "!"
with patch.dict(slack.__opts__, mock_opts):
with patch("slackclient.SlackClient.rtm_connect", MagicMock(return_value=True)):
slack_client = slack.SlackClient(token)
with patch(
"slack_bolt.App", MagicMock(autospec=True, return_value=MockSlackBoltApp())
):
with patch(
"slack_bolt.adapter.socket_mode.SocketModeHandler",
MagicMock(autospec=True, return_value=MockSlackBoltSocketMode()),
):
slack_client = slack.SlackClient(app_token, bot_token, trigger)
yield slack_client