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[SNMP] management VRF SNMP support #2608

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merged 11 commits into from
Sep 19, 2019
Merged

[SNMP] management VRF SNMP support #2608

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2ad2a4b
[SNMP] management VRF SNMP support
Feb 26, 2019
021d60b
resolved the conflict by changing the filename to 0007
kannankvs Sep 13, 2019
1d233af
resolved the conflict
kannankvs Sep 13, 2019
170b5b3
Something went wrong while resolving conflict. Reverting "resolved th…
kannankvs Sep 13, 2019
b34f49c
Something went wrong in resolving conflict. Revert "resolved the conf…
kannankvs Sep 13, 2019
a71090a
resolving conflict for series file
kannankvs Sep 13, 2019
b8f83ab
resolving conflict on series file based on recent commit
kannankvs Sep 16, 2019
e7ca494
Revert "resolving conflict on series file based on recent commit"
kannankvs Sep 16, 2019
c7e86df
resolving conflict after rebase
kannankvs Sep 16, 2019
9c5cb2d
Added the reference to the patch https://sourceforge.net/p/net-snmp/p…
kannankvs Sep 16, 2019
2c7e8ed
sourceforge.net commit IDs related to this patch are added inside the…
kannankvs Sep 17, 2019
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26 changes: 26 additions & 0 deletions dockers/docker-snmp-sv2/snmpd.conf.j2
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,21 @@
#

# Listen for connections on all ip addresses, including eth0, ipv4 lo
#
{% if snmp_agent_address_1 or snmp_agent_address_2 or snmp_agent_address_3 %}
{% if snmp_agent_address_1 %}
agentAddress {{ snmp_agent_address_1 }}
{% endif %}
{% if snmp_agent_address_2 %}
agentAddress {{ snmp_agent_address_2 }}
{% endif %}
{% if snmp_agent_address_3 %}
agentAddress {{ snmp_agent_address_3 }}
{% endif %}
{% else %}
agentAddress udp:161
{% endif %}

# TODO: only support ipv4 lo addresses, add ipv6 support later

###############################################################################
Expand Down Expand Up @@ -90,11 +104,23 @@ load 12 10 5
# Note: disabled snmp traps due to side effect of causing snmpd to listen on all ports (0.0.0.0)
#
# send SNMPv1 traps
{%if v1_trap_dest and v1_trap_dest != 'NotConfigured' %}
trapsink {{ v1_trap_dest }} public
{% else %}
#trapsink localhost public
{% endif %}
# send SNMPv2c traps
{%if v2_trap_dest and v2_trap_dest != 'NotConfigured' %}
trap2sink {{ v2_trap_dest }} public
{% else %}
#trap2sink localhost public
{% endif %}
# send SNMPv2c INFORMs
{%if v3_trap_dest and v3_trap_dest != 'NotConfigured' %}
informsink {{ v3_trap_dest }} public
{% else %}
#informsink localhost public
{% endif %}

# Note that you typically only want *one* of these three lines
# Uncommenting two (or all three) will result in multiple copies of each notification.
Expand Down
37 changes: 37 additions & 0 deletions files/build_templates/docker_image_ctl.j2
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Expand Up @@ -112,6 +112,43 @@ function postStartAction()
fi
{%- elif docker_container_name == "snmp" %}
docker exec -i database redis-cli -n 6 HSET 'DEVICE_METADATA|localhost' chassis_serial_number $(decode-syseeprom -s)
vrfenabled=`/usr/bin/redis-cli -n 4 hget "MGMT_VRF_CONFIG|vrf_global" mgmtVrfEnabled`
v1SnmpTrapIp=`/usr/bin/redis-cli -n 4 hget "SNMP_TRAP_CONFIG|v1TrapDest" DestIp`
v1SnmpTrapPort=`/usr/bin/redis-cli -n 4 hget "SNMP_TRAP_CONFIG|v1TrapDest" DestPort`
v1MgmtVrf=`/usr/bin/redis-cli -n 4 hget "SNMP_TRAP_CONFIG|v1TrapDest" vrf`
v2SnmpTrapIp=`/usr/bin/redis-cli -n 4 hget "SNMP_TRAP_CONFIG|v2TrapDest" DestIp`
v2SnmpTrapPort=`/usr/bin/redis-cli -n 4 hget "SNMP_TRAP_CONFIG|v2TrapDest" DestPort`
v2MgmtVrf=`/usr/bin/redis-cli -n 4 hget "SNMP_TRAP_CONFIG|v2TrapDest" vrf`
v3SnmpTrapIp=`/usr/bin/redis-cli -n 4 hget "SNMP_TRAP_CONFIG|v3TrapDest" DestIp`
v3SnmpTrapPort=`/usr/bin/redis-cli -n 4 hget "SNMP_TRAP_CONFIG|v3TrapDest" DestPort`
v3MgmtVrf=`/usr/bin/redis-cli -n 4 hget "SNMP_TRAP_CONFIG|v3TrapDest" vrf`

if [ "${v1SnmpTrapIp}" != "" ]
then
sed -i "s/v1_trap_dest:.*/v1_trap_dest: ${v1SnmpTrapIp}:${v1SnmpTrapPort}%${v1MgmtVrf}/" "/etc/sonic/snmp.yml"
fi
if [ "${v2SnmpTrapIp}" != "" ]
then
sed -i "s/v2_trap_dest:.*/v2_trap_dest: ${v2SnmpTrapIp}:${v2SnmpTrapPort}%${v2MgmtVrf}/" "/etc/sonic/snmp.yml"
fi
if [ "${v3SnmpTrapIp}" != "" ]
then
sed -i "s/v3_trap_dest:.*/v3_trap_dest: ${v3SnmpTrapIp}:${v3SnmpTrapPort}%${v3MgmtVrf}/" "/etc/sonic/snmp.yml"
fi

if [ "${vrfenabled}" == "true" ]
then
keys=`/usr/bin/redis-cli -n 4 keys "SNMP_AGENT_ADDRESS_CONFIG|*"`
count=1
for key in $keys;do
ip=`echo $key|cut -d "|" -f2`
vrf=`echo $key|cut -d "|" -f3`
echo "snmp_agent_address_$count: $ip%$vrf" >> /tmp/snmpagentaddr.yml
count=$((count+1))
done
sed -i '/snmp_agent_address_*/d' /etc/sonic/snmp.yml
cat /tmp/snmpagentaddr.yml >> /etc/sonic/snmp.yml
fi
{%- else %}
: # nothing
{%- endif %}
Expand Down
3 changes: 3 additions & 0 deletions files/image_config/snmp/snmp.yml
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Original file line number Diff line number Diff line change
@@ -1,2 +1,5 @@
snmp_rocommunity: public
snmp_location: public
v1_trap_dest: NotConfigured
v2_trap_dest: NotConfigured
v3_trap_dest: NotConfigured
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