diff --git a/agent_based/juniper_craft_alarm.py b/agent_based/juniper_craft_alarm.py
new file mode 100644
index 0000000000000000000000000000000000000000..e54504e4af1dda44c883e06fb799991d0c8579ed
--- /dev/null
+++ b/agent_based/juniper_craft_alarm.py
@@ -0,0 +1,157 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# License: GNU General Public License v2
+#
+# Author: thl-cmk[at]outlook[dot]com
+# URL : https://thl-cmk.hopto.org
+# Date : 2016-08-01
+#
+# monitor Juniper Networks craft alarms
+#
+# sample snmpwalk
+# .1.3.6.1.4.1.2636.3.4.2.1.0 = INTEGER: 2
+# .1.3.6.1.4.1.2636.3.4.2.2.1.0 = INTEGER: 2
+# .1.3.6.1.4.1.2636.3.4.2.2.2.0 = Gauge32: 0
+# .1.3.6.1.4.1.2636.3.4.2.2.3.0 = 0
+# .1.3.6.1.4.1.2636.3.4.2.3.1.0 = INTEGER: 2
+# .1.3.6.1.4.1.2636.3.4.2.3.2.0 = Gauge32: 0
+# .1.3.6.1.4.1.2636.3.4.2.3.3.0 = 0
+#
+# sample string_table
+# [[['2']], [['2', '0', '0', '2', '0', '0']]]
+#
+# sample section
+# JuniperAlarms(
+# alarm_relay_mode=2,
+# yellow_alarm=JuniperAlarm(state=2, count=0, last_change=0),
+# red_alarm=JuniperAlarm(state=2, count=0, last_change=0)
+# )
+#
+
+from dataclasses import dataclass
+from typing import Optional, List
+
+from cmk.base.plugins.agent_based.agent_based_api.v1 import (
+ register,
+ Service,
+ Result,
+ State,
+ SNMPTree,
+ startswith,
+)
+from cmk.base.plugins.agent_based.agent_based_api.v1.type_defs import (
+ DiscoveryResult,
+ CheckResult,
+ StringTable,
+)
+
+
+@dataclass
+class JuniperAlarm:
+ # state: int
+ count: int
+ # last_change: int
+
+
+@dataclass
+class JuniperAlarms:
+ alarm_relay_mode: int
+ yellow_alarm: JuniperAlarm
+ red_alarm: JuniperAlarm
+
+
+_juniper_alarm_relay_mode= {
+ 1: 'other',
+ 2: 'pass on',
+ 3: 'cut off',
+}
+
+_juniper_alarm_state = {
+ 1: 'other',
+ 2: 'off',
+ 3: 'on',
+}
+
+
+def parse_juniper_craft_alarms(string_table: List[StringTable]) -> Optional[JuniperAlarms]:
+ alarm_relay_mode, alarms = string_table
+ yellow_count, red_count = alarms[0]
+
+ return JuniperAlarms(
+ alarm_relay_mode=int(alarm_relay_mode[0][0]),
+ yellow_alarm=JuniperAlarm(
+ # state=int(yellow_state),
+ count=int(yellow_count),
+ # last_change=int(yellow_last_change)
+ ),
+ red_alarm=JuniperAlarm(
+ # state=int(red_state),
+ count=int(red_count),
+ # last_change=int(red_last_change)
+ )
+ )
+
+
+def discovery_juniper_craft_alarms(section: JuniperAlarms) -> DiscoveryResult:
+ yield Service()
+
+
+def check_juniper_craft_alarms(params, section: JuniperAlarms) -> CheckResult:
+ if section.alarm_relay_mode != 2 and params['warn_not_pass_om']:
+ yield Result(
+ state=State.WARN,
+ summary=f'Alarm relay mode: {_juniper_alarm_relay_mode.get(section.alarm_relay_mode)}')
+ else:
+ yield Result(
+ state=State.OK,
+ summary=f'Alarm relay mode: {_juniper_alarm_relay_mode.get(section.alarm_relay_mode)}')
+
+ if section.yellow_alarm.count > params['count_yellow']:
+ yield Result(state=State.WARN, notice=f'Yellow alarm count: {section.yellow_alarm.count}')
+ else:
+ yield Result(state=State.OK, summary=f'Yellow alarm count: {section.yellow_alarm.count}')
+
+ if section.red_alarm.count > params['count_red']:
+ yield Result(state=State.CRIT, notice=f'Red alarm count: {section.red_alarm.count}')
+ else:
+ yield Result(state=State.OK, summary=f'Red alarm count: {section.red_alarm.count}')
+
+
+register.snmp_section(
+ name='juniper_craft_alarms',
+ parse_function=parse_juniper_craft_alarms,
+ fetch=[
+ SNMPTree(
+ base='.1.3.6.1.4.1.2636.3.4.2', # JUNIPER-ALARM-MIB::jnxCraftAlarms
+ oids=[
+ '1', # jnxAlarmRelayMode
+ ]
+ ),
+ SNMPTree(
+ base='.1.3.6.1.4.1.2636.3.4.2', # JUNIPER-ALARM-MIB::jnxCraftAlarms
+ oids=[
+ # '2.1', # jnxYellowAlarmState
+ '2.2', # jnxYellowAlarmCount
+ # '2.3', # jnxYellowAlarmLastChange
+ # '3.1', # jnxRedAlarmState
+ '3.2', # jnxRedAlarmCount
+ # '3.3', # jnxRedAlarmLastChange
+ ]
+ )
+ ],
+ detect=startswith('.1.3.6.1.2.1.1.2.0', '.1.3.6.1.4.1.2636.1.1.1'),
+)
+
+register.check_plugin(
+ name='juniper_craft_alarms',
+ service_name='Chassis Alarm',
+ discovery_function=discovery_juniper_craft_alarms,
+ check_function=check_juniper_craft_alarms,
+ check_ruleset_name='juniper_craft_alarms',
+ check_default_parameters={
+ 'count_yellow': 0,
+ 'count_red': 0,
+ 'warn_not_pass_om': True,
+ }
+)
diff --git a/juniper_craft_alarm.mkp b/juniper_craft_alarm.mkp
new file mode 100644
index 0000000000000000000000000000000000000000..e30c667735b09bb55df4b51d5cc1a60842822f44
Binary files /dev/null and b/juniper_craft_alarm.mkp differ
diff --git a/packages/juniper_craft_alarm b/packages/juniper_craft_alarm
new file mode 100644
index 0000000000000000000000000000000000000000..5598c7d0e7d295363462ec4cdb1e96de6b3e4864
--- /dev/null
+++ b/packages/juniper_craft_alarm
@@ -0,0 +1,17 @@
+{'author': 'thl-cmk[at]outlook[dot]com',
+ 'description': 'Monitor Juniper Networks Chassis alarm\n'
+ '\n'
+ 'The check is based on the JUNIPER-ALARM-MIB\n'
+ '\n'
+ 'WARN: if # of yellow alerts > 0\n'
+ 'CRIT: if # of red alerts > 0\n'
+ 'WARN: if alarm relay mode not pass om\n',
+ 'download_url': 'https://thl-cmk.hopto.org',
+ 'files': {'agent_based': ['juniper_craft_alarm.py']},
+ 'name': 'juniper_craft_alarm',
+ 'num_files': 1,
+ 'title': 'Juniper (Craft) alarm',
+ 'version': '20220606_v0.0.1',
+ 'version.min_required': '2.0.0',
+ 'version.packaged': '2021.09.20',
+ 'version.usable_until': None}
\ No newline at end of file