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#!/usr/bin/env python3
#
# Copyright (C) 2018 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# File: snmp_v3.py
# Purpose:
# Show SNMP v3 information
# Used by the "run show snmp v3" commands.
import sys
import jinja2
import argparse
from vyos.config import Config
parser = argparse.ArgumentParser(description='Retrieve SNMP v3 information')
parser.add_argument('--all', action="store_true", help='Show all available information')
parser.add_argument('--group', action="store_true", help='Show the list of configured groups')
parser.add_argument('--trap', action="store_true", help='Show the list of configured targets')
parser.add_argument('--user', action="store_true", help='Show the list of configured users')
parser.add_argument('--view', action="store_true", help='Show the list of configured views')
GROUP_OUTP_TMPL_SRC = """
SNMPv3 Groups:
Group View
----- ----
{% if group -%}{% for g in group -%}
{{ "%-20s" | format(g.name) }}{{ g.view }}({{ g.mode }})
{% endfor %}{% endif %}
"""
TRAPTGT_OUTP_TMPL_SRC = """
SNMPv3 Trap-targets:
Tpap-target Port Protocol Auth Priv Type EngineID User
----------- ---- -------- ---- ---- ---- -------- ----
{% if trap -%}{% for t in trap -%}
{{ "%-20s" | format(t.name) }} {{ t.port }} {{ t.proto }} {{ t.auth }} {{ t.priv }} {{ t.type }} {{ "%-32s" | format(t.engID) }} {{ t.user }}
{% endfor %}{% endif %}
"""
USER_OUTP_TMPL_SRC = """
SNMPv3 Users:
User Auth Priv Mode Group
---- ---- ---- ---- -----
{% if user -%}{% for u in user -%}
{{ "%-20s" | format(u.name) }}{{ u.auth }} {{ u.priv }} {{ u.mode }} {{ u.group }}
{% endfor %}{% endif %}
"""
VIEW_OUTP_TMPL_SRC = """
SNMPv3 Views:
{% if view -%}{% for v in view %}
View : {{ v.name }}
OIDs : .{{ v.oids | join("\n .")}}
{% endfor %}{% endif %}
"""
if __name__ == '__main__':
args = parser.parse_args()
# Do nothing if service is not configured
c = Config()
if not c.exists_effective('service snmp v3'):
print("SNMP v3 is not configured")
sys.exit(0)
data = {
'group': [],
'trap': [],
'user': [],
'view': []
}
if c.exists_effective('service snmp v3 group'):
for g in c.list_effective_nodes('service snmp v3 group'):
group = {
'name': g,
'mode': '',
'view': ''
}
group['mode'] = c.return_effective_value('service snmp v3 group {0} mode'.format(g))
group['view'] = c.return_effective_value('service snmp v3 group {0} view'.format(g))
data['group'].append(group)
if c.exists_effective('service snmp v3 user'):
for u in c.list_effective_nodes('service snmp v3 user'):
user = {
'name' : u,
'mode' : '',
'auth' : '',
'priv' : '',
'group': ''
}
user['mode'] = c.return_effective_value('service snmp v3 user {0} mode'.format(u))
user['auth'] = c.return_effective_value('service snmp v3 user {0} auth type'.format(u))
user['priv'] = c.return_effective_value('service snmp v3 user {0} privacy type'.format(u))
user['group'] = c.return_effective_value('service snmp v3 user {0} group'.format(u))
data['user'].append(user)
if c.exists_effective('service snmp v3 view'):
for v in c.list_effective_nodes('service snmp v3 view'):
view = {
'name': v,
'oids': []
}
view['oids'] = c.list_effective_nodes('service snmp v3 view {0} oid'.format(v))
data['view'].append(view)
if c.exists_effective('service snmp v3 trap-target'):
for t in c.list_effective_nodes('service snmp v3 trap-target'):
trap = {
'name' : t,
'port' : '',
'proto': '',
'auth' : '',
'priv' : '',
'type' : '',
'engID': '',
'user' : ''
}
trap['port'] = c.return_effective_value('service snmp v3 trap-target {0} port'.format(t))
trap['proto'] = c.return_effective_value('service snmp v3 trap-target {0} protocol'.format(t))
trap['auth'] = c.return_effective_value('service snmp v3 trap-target {0} auth type'.format(t))
trap['priv'] = c.return_effective_value('service snmp v3 trap-target {0} privacy type'.format(t))
trap['type'] = c.return_effective_value('service snmp v3 trap-target {0} type'.format(t))
trap['engID'] = c.return_effective_value('service snmp v3 trap-target {0} engineid'.format(t))
trap['user'] = c.return_effective_value('service snmp v3 trap-target {0} user'.format(t))
data['trap'].append(trap)
print(data)
if args.all:
# Special case, print all templates !
tmpl = jinja2.Template(GROUP_OUTP_TMPL_SRC)
print(tmpl.render(data))
tmpl = jinja2.Template(TRAPTGT_OUTP_TMPL_SRC)
print(tmpl.render(data))
tmpl = jinja2.Template(USER_OUTP_TMPL_SRC)
print(tmpl.render(data))
tmpl = jinja2.Template(VIEW_OUTP_TMPL_SRC)
print(tmpl.render(data))
elif args.group:
tmpl = jinja2.Template(GROUP_OUTP_TMPL_SRC)
print(tmpl.render(data))
elif args.trap:
tmpl = jinja2.Template(TRAPTGT_OUTP_TMPL_SRC)
print(tmpl.render(data))
elif args.user:
tmpl = jinja2.Template(USER_OUTP_TMPL_SRC)
print(tmpl.render(data))
elif args.view:
tmpl = jinja2.Template(VIEW_OUTP_TMPL_SRC)
print(tmpl.render(data))
else:
parser.print_help()
sys.exit(1)
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