diff --git a/agent_based/inv_juniper_hw_modules.py b/agent_based/inv_juniper_hw_modules.py
new file mode 100644
index 0000000000000000000000000000000000000000..8b6ad2e41ebfc3507be0edcb4541abe8d4d6b7d6
--- /dev/null
+++ b/agent_based/inv_juniper_hw_modules.py
@@ -0,0 +1,150 @@
+#!/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 : 2022-06-02
+#
+# inventory of juniper hardware modules
+#
+
+
+import time
+from typing import List, NamedTuple, Optional, Dict
+
+from cmk.base.plugins.agent_based.agent_based_api.v1.type_defs import (
+ StringTable,
+ InventoryResult,
+)
+
+from cmk.base.plugins.agent_based.agent_based_api.v1 import (
+ register,
+ SNMPTree,
+ TableRow,
+ startswith,
+)
+
+
+def parse_inv_juniper_hw_modules(string_table: List[StringTable]) -> List[Dict]:
+ modules = []
+
+ jnx_contents_entry, jnx_box_anatomy, sys_uptime = string_table
+ sys_uptime = int(sys_uptime[0][0]) / 100 # change to seconds
+ # first entry in jnx_contents_entry is the chassis without data (?)
+ if jnx_contents_entry[0][5:9] == ['', '', '', '0']:
+ box_class, box_descr, box_serial_no, box_revision, box_installed = jnx_box_anatomy[0]
+ jnx_contents_entry[0][5] = box_descr
+ jnx_contents_entry[0][6] = box_serial_no
+ jnx_contents_entry[0][7] = box_revision
+ jnx_contents_entry[0][8] = box_installed
+
+ for container_index, l1_index, l2_index, l3_index, type_oid, descr, serial_no, revision, installed, part_no, \
+ chassis_id, chassis_descr, chassis_clei_code, model in jnx_contents_entry:
+
+ index = f'{container_index}.{l1_index}.{l2_index}.{l3_index}'
+ installed = time.ctime(time.time() - sys_uptime + (int(installed))) if installed != '0' else None
+
+ module = {}
+ for key, value in [
+ ('index', index),
+ ('description', descr),
+ ('type', type_oid),
+ ('serial_number', serial_no),
+ ('revision', revision),
+ # ('installed_at', installed),
+ ('part_no', part_no),
+ ('chassis_id', chassis_id),
+ ('chassis_descr', chassis_descr),
+ ('chassis_clei_code', chassis_clei_code),
+ ('model', model),
+ ]:
+ if value:
+ module.update({key: value})
+
+ modules.append(module)
+
+ return modules
+
+
+def inventory_hw_modules(params, section: List[Dict]) -> InventoryResult:
+ removecolumns = params.get('removecolumns', [])
+ allparts = params.get('allparts', False)
+
+ path = ['hardware', 'juniper-hw-modules']
+
+ for module in section:
+ # do not add parts without serial number
+ if allparts is False and module.get('serial_number', None) is None:
+ continue
+
+ key_columns = {'index': module['index']}
+ for key in key_columns.keys():
+ module.pop(key)
+
+ for entry in removecolumns:
+ try:
+ module.pop(entry)
+ except KeyError:
+ pass
+
+ yield TableRow(
+ path=path,
+ key_columns=key_columns,
+ inventory_columns=module
+ )
+
+
+register.snmp_section(
+ name='inv_juniper_hw_modules',
+ parse_function=parse_inv_juniper_hw_modules,
+ fetch=[
+ SNMPTree(
+ base='.1.3.6.1.4.1.2636.3.1.8.1', # JUNIPER-MIB::jnxContentsEntry
+ oids=[
+ '1', # jnxContentsContainerIndex
+ '2', # jnxContentsL1Index
+ '3', # jnxContentsL2Index
+ '4', # jnxContentsL3Index
+ '5', # jnxContentsType
+ '6', # jnxContentsDescr
+ '7', # jnxContentsSerialNo
+ '8', # jnxContentsRevision
+ '9', # jnxContentsInstalled
+ '10', # jnxContentsPartNo
+ '11', # jnxContentsChassisId
+ '12', # jnxContentsChassisDescr
+ '13', # jnxContentsChassisCleiCode
+ '14', # jnxContentsModel
+ ]
+ ),
+ SNMPTree(
+ base='.1.3.6.1.4.1.2636.3.1', # UNIPER-MIB::jnxBoxAnatomy
+ oids=[
+ '1', # jnxBoxClass
+ '2', # jnxBoxDescr
+ '3', # jnxBoxSerialNo
+ '4', # jnxBoxRevision
+ '5', # jnxBoxInstalled
+ ]
+ ),
+ SNMPTree(
+ base='.1.3.6.1.2.1.1', # SNMPv2-MIB::system
+ oids=[
+ '3', # sysUpTime
+ ]
+ )
+ ],
+ detect=startswith('.1.3.6.1.2.1.1.2.0', '.1.3.6.1.4.1.2636.1.1.1'),
+)
+
+register.inventory_plugin(
+ name='inv_juniper_hw_modules',
+ inventory_function=inventory_hw_modules,
+ inventory_default_parameters={
+ 'removecolumns': [],
+ 'allparts': False,
+ },
+ inventory_ruleset_name='inv_juniper_hw_modules',
+)
diff --git a/inv_juniper_hw_modules.mkp b/inv_juniper_hw_modules.mkp
new file mode 100644
index 0000000000000000000000000000000000000000..395b174af71436112eb6d6ff4ba5a7a6eb64816d
Binary files /dev/null and b/inv_juniper_hw_modules.mkp differ
diff --git a/packages/inv_juniper_hw_modules b/packages/inv_juniper_hw_modules
new file mode 100644
index 0000000000000000000000000000000000000000..7f722a6b2b03bf6befb447b2232748ad5cfcd7e7
--- /dev/null
+++ b/packages/inv_juniper_hw_modules
@@ -0,0 +1,13 @@
+{'author': 'Th.L. (thl-cmk[at]outlook[dot]com)',
+ 'description': 'Inventory of Juniper networks hardware modules\n',
+ 'download_url': 'https://thl-cmk.hopto.org',
+ 'files': {'agent_based': ['inv_juniper_hw_modules.py'],
+ 'web': ['plugins/views/inv_juniper_hw_modules.py',
+ 'plugins/wato/inv_juniper_hw_modules.py']},
+ 'name': 'inv_juniper_hw_modules',
+ 'num_files': 3,
+ 'title': 'Juniper networks hardware inventory',
+ 'version': '20220602.v.0.01',
+ 'version.min_required': '2.0.0',
+ 'version.packaged': '2021.09.20',
+ 'version.usable_until': None}
\ No newline at end of file
diff --git a/web/plugins/views/inv_juniper_hw_modules.py b/web/plugins/views/inv_juniper_hw_modules.py
new file mode 100644
index 0000000000000000000000000000000000000000..9a7daa9192432f2af06ab3252e85a38a74860247
--- /dev/null
+++ b/web/plugins/views/inv_juniper_hw_modules.py
@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+# import cmk.gui.utils
+from cmk.gui.plugins.views import (
+ inventory_displayhints, )
+from cmk.gui.i18n import _
+from cmk.gui.plugins.views.inventory import declare_invtable_view
+
+inventory_displayhints.update({
+ '.hardware.juniper-hw-modules:': {'title': _('Modules'),
+ 'keyorder': ['index', 'description', 'serial_number', 'revision', 'part_no', ],
+ 'view': 'invmodules_of_host',
+ },
+ '.hardware.juniper-hw-modules:*.index': {'title': _('Index'), },
+ '.hardware.juniper-hw-modules:*.serial_number': {'title': _('Serial number')},
+ '.hardware.juniper-hw-modules:*.description': {'title': _('Description')},
+ '.hardware.juniper-hw-modules:*.revision': {'title': _('Revision'), },
+ '.hardware.juniper-hw-modules:*.installed_at': {'title': _('Installed at'), },
+ '.hardware.juniper-hw-modules:*.part_no': {'title': _('Part No'), },
+ '.hardware.juniper-hw-modules:*.chassis_id': {'title': _('Chassis ID'), },
+ '.hardware.juniper-hw-modules:*.chassis_descr': {'title': _('Chassis description')},
+ '.hardware.juniper-hw-modules:*.chassis_clei_code': {'title': _('Chassis CLEI code'), },
+ '.hardware.juniper-hw-modules:*.model': {'title': _('Model'), },
+ '.hardware.juniper-hw-modules:*.type': {'title': _('Type (OID)'), },
+})
+
+declare_invtable_view(
+ 'invmodules',
+ '.hardware.juniper-hw-modules:',
+ _('Juniper Hardware Modules'),
+ _('Juniper Hardware Modules')
+)
diff --git a/web/plugins/wato/inv_juniper_hw_modules.py b/web/plugins/wato/inv_juniper_hw_modules.py
new file mode 100644
index 0000000000000000000000000000000000000000..1dd1865eeebf90c5e4ca0d990e36ef6a28c1eb78
--- /dev/null
+++ b/web/plugins/wato/inv_juniper_hw_modules.py
@@ -0,0 +1,63 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+#
+
+
+from cmk.gui.i18n import _
+from cmk.gui.plugins.wato import (
+ HostRulespec,
+ rulespec_registry,
+ RulespecGroup,
+)
+from cmk.gui.valuespec import (
+ Dictionary,
+ FixedValue,
+ TextAscii,
+ ListChoice,
+)
+
+from cmk.gui.plugins.wato.inventory import (
+ RulespecGroupInventory,
+)
+
+_removecolumns = [
+ ('chassis_clei_code', 'Chassis CLEI code'),
+ ('chassis_descr', 'Chassis description'),
+ ('chassis_id', 'Chassis ID'),
+ # ('installed_at', 'Installed at'),
+ ('model', 'Model'),
+ ('type', 'Type (OID)'),
+]
+
+
+def _valuespec_inv_juniper_hw_modules():
+ return Dictionary(
+ title=_('Juniper hardware inventory'),
+ elements=[
+ ('allparts',
+ FixedValue(
+ True,
+ title=_('Inventory parts without serial number'),
+ totext=_(''),
+ default_value=False,
+ )),
+ ('removecolumns',
+ ListChoice(
+ title=_('List of columns to remove'),
+ help=_('information to remove from inventory'),
+ choices=_removecolumns,
+ default_value=[
+ ],
+ )),
+ ],
+ )
+
+
+rulespec_registry.register(
+ HostRulespec(
+ group=RulespecGroupInventory,
+ match_type="dict",
+ name="inv_parameters:inv_juniper_hw_modules",
+ valuespec=_valuespec_inv_juniper_hw_modules,
+ ))