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3afc8ed7ae
This is preparatory work towards adding a Topic model. We plan to use the local variable name as 'topic' for the Topic model objects. Currently, we use *topic as the local variable name for topic names. We rename local variables of the form *topic to *topic_name so that we don't need to think about type collisions in individual code paths where we might want to talk about both Topic objects and strings for the topic name.
89 lines
2.4 KiB
Python
89 lines
2.4 KiB
Python
# Webhooks for external integrations.
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from django.http import HttpRequest, HttpResponse
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from zerver.decorator import webhook_view
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from zerver.lib.exceptions import UnsupportedWebhookEventTypeError
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from zerver.lib.response import json_success
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from zerver.lib.typed_endpoint import JsonBodyPayload, typed_endpoint
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from zerver.lib.validator import WildValue, check_string
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from zerver.lib.webhooks.common import check_send_webhook_message
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from zerver.models import UserProfile
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PINGDOM_TOPIC_TEMPLATE = "{name} status."
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MESSAGE_TEMPLATE = """
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Service {service_url} changed its {type} status from {previous_state} to {current_state}:
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""".strip()
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DESC_TEMPLATE = """
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``` quote
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{description}
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```
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""".rstrip()
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SUPPORTED_CHECK_TYPES = (
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"HTTP",
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"HTTP_CUSTOM",
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"HTTPS",
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"SMTP",
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"POP3",
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"IMAP",
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"PING",
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"DNS",
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"UDP",
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"PORT_TCP",
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)
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ALL_EVENT_TYPES = list(SUPPORTED_CHECK_TYPES)
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@webhook_view("Pingdom", all_event_types=ALL_EVENT_TYPES)
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@typed_endpoint
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def api_pingdom_webhook(
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request: HttpRequest,
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user_profile: UserProfile,
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*,
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payload: JsonBodyPayload[WildValue],
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) -> HttpResponse:
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check_type = get_check_type(payload)
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if check_type in SUPPORTED_CHECK_TYPES:
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topic_name = get_topic_for_http_request(payload)
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body = get_body_for_http_request(payload)
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else:
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raise UnsupportedWebhookEventTypeError(check_type)
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check_send_webhook_message(request, user_profile, topic_name, body, check_type)
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return json_success(request)
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def get_topic_for_http_request(payload: WildValue) -> str:
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return PINGDOM_TOPIC_TEMPLATE.format(name=payload["check_name"].tame(check_string))
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def get_body_for_http_request(payload: WildValue) -> str:
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current_state = payload["current_state"].tame(check_string)
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previous_state = payload["previous_state"].tame(check_string)
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data = {
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"service_url": payload["check_params"]["hostname"].tame(check_string),
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"previous_state": previous_state,
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"current_state": current_state,
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"type": get_check_type(payload),
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}
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body = MESSAGE_TEMPLATE.format(**data)
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if current_state == "DOWN" and previous_state == "UP":
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description = DESC_TEMPLATE.format(
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description=payload["long_description"].tame(check_string)
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)
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body += description
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else:
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body = f"{body[:-1]}."
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return body
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def get_check_type(payload: WildValue) -> str:
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return payload["check_type"].tame(check_string)
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