Add basic prometheus webhook support
with type=prometheus and secret url arguments. Also update project files.
This commit is contained in:
parent
847c0cb45c
commit
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31
.idea/inspectionProfiles/Project_Default.xml
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31
.idea/inspectionProfiles/Project_Default.xml
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@ -0,0 +1,31 @@
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<component name="InspectionProjectProfileManager">
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<profile version="1.0">
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<option name="myName" value="Project Default" />
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<inspection_tool class="PyCompatibilityInspection" enabled="true" level="ERROR" enabled_by_default="true">
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<option name="ourVersions">
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<value>
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<list size="3">
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<item index="0" class="java.lang.String" itemvalue="3.6" />
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<item index="1" class="java.lang.String" itemvalue="3.7" />
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<item index="2" class="java.lang.String" itemvalue="3.8" />
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</list>
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</value>
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</option>
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</inspection_tool>
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<inspection_tool class="PyPep8Inspection" enabled="true" level="WEAK WARNING" enabled_by_default="true">
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<option name="ignoredErrors">
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<list>
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<option value="E501" />
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</list>
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</option>
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</inspection_tool>
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<inspection_tool class="PyPep8NamingInspection" enabled="true" level="WEAK WARNING" enabled_by_default="true">
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<option name="ignoredErrors">
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<list>
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<option value="N812" />
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</list>
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</option>
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</inspection_tool>
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<inspection_tool class="PyRedundantParenthesesInspection" enabled="false" level="WEAK WARNING" enabled_by_default="false" />
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</profile>
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</component>
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@ -3,5 +3,5 @@
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<component name="JavaScriptSettings">
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<component name="JavaScriptSettings">
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<option name="languageLevel" value="ES6" />
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<option name="languageLevel" value="ES6" />
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</component>
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</component>
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<component name="ProjectRootManager" version="2" project-jdk-name="Python 3.7 (webhook-matrix-notifier)" project-jdk-type="Python SDK" />
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<component name="ProjectRootManager" version="2" project-jdk-name="Python 3.8 (webhook-matrix-notifier)" project-jdk-type="Python SDK" />
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</project>
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</project>
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@ -4,10 +4,7 @@
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<content url="file://$MODULE_DIR$">
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<content url="file://$MODULE_DIR$">
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<excludeFolder url="file://$MODULE_DIR$/venv" />
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<excludeFolder url="file://$MODULE_DIR$/venv" />
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</content>
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</content>
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<orderEntry type="jdk" jdkName="Python 3.7 (webhook-matrix-notifier)" jdkType="Python SDK" />
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<orderEntry type="jdk" jdkName="Python 3.8 (webhook-matrix-notifier)" jdkType="Python SDK" />
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<orderEntry type="sourceFolder" forTests="false" />
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<orderEntry type="sourceFolder" forTests="false" />
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</component>
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</component>
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<component name="TestRunnerService">
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<option name="PROJECT_TEST_RUNNER" value="Unittests" />
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</component>
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</module>
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</module>
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98
wmn.py
98
wmn.py
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@ -1,5 +1,8 @@
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import json
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import json
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import re
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import re
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import sys
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import traceback
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import typing
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from datetime import datetime
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from datetime import datetime
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import yaml
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import yaml
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@ -136,9 +139,9 @@ def process_jenkins_request():
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if len(change_message) > 0:
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if len(change_message) > 0:
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htimestamp = datetime.fromtimestamp(change['timestamp'] / 1000).strftime("%d. %b %y %H:%M")
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htimestamp = datetime.fromtimestamp(change['timestamp'] / 1000).strftime("%d. %b %y %H:%M")
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return f"{shorten(change_message)} " \
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return f"{shorten(change_message)} " \
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f"({shorten(change['commitId'], 7, appendix='')}) " \
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f"({shorten(change['commitId'], 7, appendix='')}) " \
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f"by {change['author']} " \
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f"by {change['author']} " \
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f"at {htimestamp}"
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f"at {htimestamp}"
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else:
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else:
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return shorten(json.dumps(change), appendix="...}")
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return shorten(json.dumps(change), appendix="...}")
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@ -155,8 +158,8 @@ def process_jenkins_request():
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f"{len(change_messages)} commits</p>\n"
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f"{len(change_messages)} commits</p>\n"
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"" + (f"<ul>\n{html_changes}\n</ul>\n" if len(change_messages) > 0 else ""),
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"" + (f"<ul>\n{html_changes}\n</ul>\n" if len(change_messages) > 0 else ""),
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body=f"**Build {build_name} on project {project_name} complete: {result_type}**, "
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body=f"**Build {build_name} on project {project_name} complete: {result_type}**, "
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f"{len(change_messages)} commits\n"
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f"{len(change_messages)} commits\n"
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"" + (f"{text_changes}\n" if len(change_messages) > 0 else ""),
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"" + (f"{text_changes}\n" if len(change_messages) > 0 else ""),
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msgtype=msgtype)
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msgtype=msgtype)
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except MatrixRequestError as e:
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except MatrixRequestError as e:
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return matrix_error(e)
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return matrix_error(e)
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@ -165,11 +168,96 @@ def process_jenkins_request():
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return "", 204
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return "", 204
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def process_prometheus_request():
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secret = request.args.get('secret')
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if secret != cfg['secret']:
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abort(401)
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msgtype = get_msg_type()
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room = get_a_room()
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# written for version 4 of the alertmanager webhook JSON
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# https://prometheus.io/docs/alerting/configuration/#webhook_config
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def color_status_html(status: str, text: typing.Optional[str] = None):
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_status_colors = {"resolved": "34A91D", "firing": "EF2929"}
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if text is None:
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text = status
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if status in _status_colors:
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return f'<font color="#{_status_colors[status]}">{text}</font>'
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else:
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return text
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def extract_alert_message(alert: typing.Dict[str, typing.Any]) -> typing.Tuple[str, str]:
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"""Takes the alert object and returns (text, html) as a string tuple."""
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alert_status = alert.get("status", "None")
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alert_labels = str(alert.get("labels", None))
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alert_annotations = str(alert.get("annotations", None))
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alert_start = alert.get("startsAt", None)
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alert_end = alert.get("endsAt", None)
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alert_daterange = []
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if alert_start is not None:
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alert_start = datetime.fromisoformat(alert_start).strftime("%d. %b %y %H:%M %Z").rstrip()
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alert_daterange.append(f'Started at {alert_start}')
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if alert_end is not None:
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alert_end = datetime.fromisoformat(alert_end).strftime("%d. %b %y %H:%M %Z").rstrip()
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alert_daterange.append(f'Ended at {alert_end}')
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alert_daterange = "" if len(alert_daterange) == 0 else f'({", ".join(alert_daterange)})'
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alert_generator_url = alert.get("generatorURL", "None")
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return (
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f'[{alert_status}] Labels: {alert_labels}, Annotations: {alert_annotations} - {alert_daterange} | Generator: {alert_generator_url}',
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f'<strong>{color_status_html(alert_status)}</strong> Labels: {alert_labels}, Annotations: {alert_annotations} - {alert_daterange} | Generator: {alert_generator_url}',
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)
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def extract_prometheus_message() -> typing.Tuple[str, str]:
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"""Dissects the request's JSON and returns (text, html) as a string tuple."""
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group_key = request.json.get("groupKey", "None")
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status = request.json.get("status", "None")
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receiver = request.json.get("receiver", "None")
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group_labels = str(request.json.get("groupLabels", None))
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common_labels = str(request.json.get("commonLabels", None))
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common_annotations = str(request.json.get("commonAnnotations", None))
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ext_url = request.json.get("externalURL", "None")
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alerts = request.json.get("alerts", []) # type: typing.List[typing.Dict[str, typing.Any]]
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text_alerts, html_alerts = zip(*map(extract_alert_message, alerts))
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text_alerts = "\n" + "\n".join((f"- {msg}" for msg in text_alerts))
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html_alerts = "<br>\n<ul>\n" + "\n".join((f" <li>{msg}</li>" for msg in html_alerts)) + "\n</ul>"
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return (
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f'*{status.title()} alert for group {group_key}*\n Receiver: {receiver}\n Labels: {group_labels} | {common_labels}\n Annotations: {common_annotations}\n External URL: {ext_url}\nAlerts:{text_alerts}',
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f'<strong>{color_status_html(status, f"{status.title()} alert for group {group_key}")}</strong><br>\n <em>Receiver:</em> {receiver}<br>\n <em>Labels:</em> {group_labels} | {common_labels}<br>\n <em>Annotations:</em> {common_annotations}<br>\n <em>External URL:</em> {ext_url}<br>\n<em>Alerts:</em>{html_alerts}',
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)
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try:
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html, body = extract_prometheus_message()
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except (LookupError, ValueError, TypeError):
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print("Error parsing JSON and forming message:", file=sys.stderr)
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traceback.print_exc()
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return "Error parsing JSON and forming message", 500
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try:
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client = MatrixClient(cfg["matrix"]["server"])
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client.login(username=cfg["matrix"]["username"], password=cfg["matrix"]["password"])
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room = client.join_room(room_id_or_alias=room)
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room.send_html(html=html, body=body, msgtype=msgtype)
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except MatrixRequestError as e:
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return matrix_error(e)
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# see Flask.make_response, this is interpreted as (body, status)
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return "", 204
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@application.route('/matrix', methods=("POST",))
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@application.route('/matrix', methods=("POST",))
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def notify():
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def notify():
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if 'X-Gitlab-Token' in request.headers:
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if 'X-Gitlab-Token' in request.headers:
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return process_gitlab_request()
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return process_gitlab_request()
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elif 'X-Jenkins-Token' in request.headers:
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elif 'X-Jenkins-Token' in request.headers:
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return process_jenkins_request()
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return process_jenkins_request()
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elif 'type' in request.args and request.args.get('type') == "prometheus":
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return process_prometheus_request()
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else:
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else:
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return "Cannot determine the request's webhook cause", 400
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return "Cannot determine the request's webhook cause", 400
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