zulip/zerver/webhooks/zabbix/view.py

77 lines
2.7 KiB
Python

from django.core.exceptions import ValidationError
from django.http import HttpRequest, HttpResponse
from django.utils.translation import gettext as _
from zerver.actions.message_send import send_rate_limited_pm_notification_to_bot_owner
from zerver.decorator import webhook_view
from zerver.lib.exceptions import JsonableError
from zerver.lib.request import REQ, has_request_variables
from zerver.lib.response import json_success
from zerver.lib.send_email import FromAddress
from zerver.lib.validator import WildValue, check_string, to_wild_value
from zerver.lib.webhooks.common import check_send_webhook_message
from zerver.models import UserProfile
MISCONFIGURED_PAYLOAD_ERROR_MESSAGE = """
Hi there! Your bot {bot_name} just received a Zabbix payload that is missing
some data that Zulip requires. This usually indicates a configuration issue
in your Zabbix webhook settings. Please make sure that you set the
script correctly and provide all the required parameters
when configuring the Zabbix webhook. Contact {support_email} if you
need further help!
"""
ZABBIX_TOPIC_TEMPLATE = "{hostname}"
ZABBIX_MESSAGE_TEMPLATE = """
{status} ({severity}) alert on [{hostname}]({link}):
* {trigger}
* {item}
""".strip()
@webhook_view("Zabbix")
@has_request_variables
def api_zabbix_webhook(
request: HttpRequest,
user_profile: UserProfile,
payload: WildValue = REQ(argument_type="body", converter=to_wild_value),
) -> HttpResponse:
try:
body = get_body_for_http_request(payload)
subject = get_subject_for_http_request(payload)
except ValidationError:
message = MISCONFIGURED_PAYLOAD_ERROR_MESSAGE.format(
bot_name=user_profile.full_name,
support_email=FromAddress.SUPPORT,
).strip()
send_rate_limited_pm_notification_to_bot_owner(user_profile, user_profile.realm, message)
raise JsonableError(_("Invalid payload"))
check_send_webhook_message(request, user_profile, subject, body)
return json_success(request)
def get_subject_for_http_request(payload: WildValue) -> str:
return ZABBIX_TOPIC_TEMPLATE.format(hostname=payload["hostname"].tame(check_string))
def get_body_for_http_request(payload: WildValue) -> str:
hostname = payload["hostname"].tame(check_string)
severity = payload["severity"].tame(check_string)
status = payload["status"].tame(check_string)
item = payload["item"].tame(check_string)
trigger = payload["trigger"].tame(check_string)
link = payload["link"].tame(check_string)
data = {
"hostname": hostname,
"severity": severity,
"status": status,
"item": item,
"trigger": trigger,
"link": link,
}
return ZABBIX_MESSAGE_TEMPLATE.format(**data)