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Set preference for forced mgmt routes (#5844)

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When forced mgmt routes are present, the issue fixed as part of #5754 is not complete. 
Added a preference(priority) field to forced mgmt route ip rules
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Prince Sunny 2020-11-10 14:20:13 -08:00 committed by GitHub
parent 2b41f6bd5c
commit 1eaaf64ed2
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 15 additions and 2 deletions
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4
files/image_config/interfaces/interfaces.j2
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@ -80,14 +80,14 @@ iface eth0 {{ 'inet' if prefix | ipv4 else 'inet6' }} static
up ip {{ '-4' if prefix | ipv4 else '-6' }} route add {{ prefix | network }}/{{ prefix | prefixlen }} dev eth0 table {{ vrf_table }}
up ip {{ '-4' if prefix | ipv4 else '-6' }} rule add pref 32765 from {{ prefix | ip }}/{{ '32' if prefix | ipv4 else '128' }} table {{ vrf_table }}
{% for route in MGMT_INTERFACE[(name, prefix)]['forced_mgmt_routes'] %}
up ip rule add to {{ route }} table {{ vrf_table }}
up ip rule add pref 32764 to {{ route }} table {{ vrf_table }}
{% endfor %}
# management port down rules
pre-down ip {{ '-4' if prefix | ipv4 else '-6' }} route delete default via {{ MGMT_INTERFACE[(name, prefix)]['gwaddr'] }} dev eth0 table {{ vrf_table }}
pre-down ip {{ '-4' if prefix | ipv4 else '-6' }} route delete {{ prefix | network }}/{{ prefix | prefixlen }} dev eth0 table {{ vrf_table }}
pre-down ip {{ '-4' if prefix | ipv4 else '-6' }} rule delete pref 32765 from {{ prefix | ip }}/{{ '32' if prefix | ipv4 else '128' }} table {{ vrf_table }}
{% for route in MGMT_INTERFACE[(name, prefix)]['forced_mgmt_routes'] %}
pre-down ip rule delete to {{ route }} table {{ vrf_table }}
pre-down ip rule delete pref 32764 to {{ route }} table {{ vrf_table }}
{% endfor %}
{# TODO: COPP policy type rules #}
{% endfor %}

4
src/sonic-config-engine/tests/sample_output/py2/mvrf_interfaces
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@ -32,10 +32,14 @@ iface eth0 inet static
up ip -4 route add default via 10.0.0.1 dev eth0 table 5000 metric 201
up ip -4 route add 10.0.0.0/24 dev eth0 table 5000
up ip -4 rule add pref 32765 from 10.0.0.100/32 table 5000
up ip rule add pref 32764 to 11.11.11.11 table 5000
up ip rule add pref 32764 to 22.22.22.0/23 table 5000
# management port down rules
pre-down ip -4 route delete default via 10.0.0.1 dev eth0 table 5000
pre-down ip -4 route delete 10.0.0.0/24 dev eth0 table 5000
pre-down ip -4 rule delete pref 32765 from 10.0.0.100/32 table 5000
pre-down ip rule delete pref 32764 to 11.11.11.11 table 5000
pre-down ip rule delete pref 32764 to 22.22.22.0/23 table 5000
iface eth0 inet6 static
address 2603:10e2:0:2902::8
netmask 64

4
src/sonic-config-engine/tests/sample_output/py3/mvrf_interfaces
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@ -32,10 +32,14 @@ iface eth0 inet static
up ip -4 route add default via 10.0.0.1 dev eth0 table 5000 metric 201
up ip -4 route add 10.0.0.0/24 dev eth0 table 5000
up ip -4 rule add pref 32765 from 10.0.0.100/32 table 5000
up ip rule add pref 32764 to 11.11.11.11 table 5000
up ip rule add pref 32764 to 22.22.22.0/23 table 5000
# management port down rules
pre-down ip -4 route delete default via 10.0.0.1 dev eth0 table 5000
pre-down ip -4 route delete 10.0.0.0/24 dev eth0 table 5000
pre-down ip -4 rule delete pref 32765 from 10.0.0.100/32 table 5000
pre-down ip rule delete pref 32764 to 11.11.11.11 table 5000
pre-down ip rule delete pref 32764 to 22.22.22.0/23 table 5000
iface eth0 inet6 static
address 2603:10e2:0:2902::8
netmask 64

5
src/sonic-config-engine/tests/t0-sample-graph-mvrf.xml
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@ -393,6 +393,11 @@
<a:DeviceMetadata>
<a:Name>switch-t0</a:Name>
<a:Properties>
<a:DeviceProperty>
<a:Name>ForcedMgmtRoutes</a:Name>
<a:Reference i:nil="true"/>
<a:Value>11.11.11.11;22.22.22.0/23</a:Value>
</a:DeviceProperty>
<a:DeviceProperty>
<a:Name>ErspanDestinationIpv4</a:Name>
<a:Reference i:nil="true"/>