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Stephen Sun
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Revert "move route template from eos to ptf exabgp (sonic-net#1233)"
This reverts commit ff2b1b1. Change-Id: I64129355d29f1a85be969bdd963a8fc54e6f3b26
1 parent 87607d5 commit 53b9743

9 files changed

Lines changed: 159 additions & 89 deletions

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‎ansible/group_vars/vm_host/main.yml‎

Lines changed: 0 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -7,6 +7,3 @@ skip_image_downloading: false
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vm_console_base: 7000
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memory: 2097152
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max_fp_num: 4
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ptf_bp_ip: 10.10.246.254/24
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ptf_bp_ipv6: fc0a::ff/64

‎ansible/roles/eos/templates/t0-leaf.j2‎

Lines changed: 77 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -32,6 +32,55 @@ ip route vrf MGMT 0.0.0.0/0 {{ vm_mgmt_gw }}
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ip route vrf MGMT 0.0.0.0/0 {{ mgmt_gw }}
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{% endif %}
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!
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route-map DEFAULT_ROUTES permit
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!
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{# #}
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{# NOTE: Using large enough values (e.g., podset_number = 200, #}
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{# us to overflow the 192.168.0.0/16 private address space here. #}
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{# This should be fine for internal use, but may pose an issue if used otherwise #}
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{# #}
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{% for podset in range(0, props.podset_number) %}
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{% for tor in range(0, props.tor_number) %}
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{% for subnet in range(0, props.tor_subnet_number) %}
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{# Skip tor 0 podset 0 #}
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{% if podset != 0 or tor != 0 %}
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{% set suffix = ( (podset * props.tor_number * props.max_tor_subnet_number * props.tor_subnet_size) +
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(tor * props.max_tor_subnet_number * props.tor_subnet_size) +
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(subnet * props.tor_subnet_size) ) %}
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{% set octet2 = (168 + (suffix // (256 ** 2))) %}
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{% set octet1 = (192 + (octet2 // 256)) %}
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{% set octet2 = (octet2 % 256) %}
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{% set octet3 = ((suffix // 256) % 256) %}
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{% set octet4 = (suffix % 256) %}
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{% set prefixlen_v4 = (32 - ((props.tor_subnet_size | log(2))) | int) %}
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ip route {{ octet1 }}.{{ octet2 }}.{{ octet3 }}.{{ octet4 }}/{{ prefixlen_v4 }} {{ props.nhipv4 }}
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ipv6 route {{ '20%02x' % octet1 }}:{{ '%02X%02X' % (octet2, octet3) }}:0:{{ '%02X' % octet4 }}::/64 {{ props.nhipv6 }}
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{% endif %}
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{% endfor %}
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{% endfor %}
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{% endfor %}
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!
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{% for podset in range(0, props.podset_number) %}
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{% for tor in range(0, props.tor_number) %}
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{# Skip tor 0 podset 0 #}
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{% if podset != 0 or tor != 0 %}
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{% set suffix = ( (podset * props.tor_number * props.max_tor_subnet_number * props.tor_subnet_size) +
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(tor * props.max_tor_subnet_number * props.tor_subnet_size) ) %}
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{% set octet2 = (168 + (suffix // (256 ** 2))) %}
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{% set octet1 = (192 + (octet2 // 256)) %}
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{% set octet2 = (octet2 % 256) %}
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{% set octet3 = ((suffix // 256) % 256) %}
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{% set octet4 = (suffix % 256) %}
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{% set prefixlen_v4 = (32 - (((props.max_tor_subnet_number * props.tor_subnet_size) | log(2)) | int) ) %}
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{% set prefixlen_v6 = (64 - (((props.max_tor_subnet_number * props.tor_subnet_size) | log(2)) | int) ) %}
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ip prefix-list test_ipv4_{{ podset}}_{{ tor }} seq 10 permit {{ octet1 }}.{{ octet2 }}.{{ octet3 }}.{{ octet4 }}/{{ prefixlen_v4 }} ge {{ prefixlen_v4 }}
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ipv6 prefix-list test_ipv6_{{ podset}}_{{ tor }}
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seq 10 permit {{ '20%02x' % octet1 }}:{{ '%02X%02X' % (octet2, octet3) }}:0:{{ '%02X' % octet4 }}::/{{ prefixlen_v6 }} ge {{ prefixlen_v6 }}
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exit
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{% endif %}
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{% endfor %}
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{% endfor %}
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!
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interface Management 1
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description TO LAB MGMT SWITCH
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vrf forwarding MGMT
@@ -77,27 +126,46 @@ interface {{ bp_ifname }}
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{% endif %}
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no shutdown
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!
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{% for podset in range(0, props.podset_number) %}
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{% if range(0, 1000)|random() >= props.failure_rate %}
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{% for tor in range(0, props.tor_number) %}
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{% set leafasn = props.leaf_asn_start + podset %}
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{% set torasn = props.tor_asn_start + tor %}
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route-map PREPENDAS permit {{ 2 * (podset * props.tor_number + tor + 1) }}
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match ip address prefix-list test_ipv4_{{ podset }}_{{ tor }}
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{% if podset == 0 %}
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set as-path prepend {{ torasn }}
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{% else %}
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set as-path prepend {{ props.spine_asn }} {{ leafasn }} {{ torasn }}
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{% endif %}
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!
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route-map PREPENDAS permit {{ 2 * (podset * props.tor_number + tor + 1) + 1 }}
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match ipv6 address prefix-list test_ipv6_{{ podset }}_{{ tor }}
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{% if podset == 0 %}
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set as-path prepend {{ torasn }}
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{% else %}
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set as-path prepend {{ props.spine_asn }} {{ leafasn }} {{ torasn }}
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{% endif %}
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!
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{% endfor %}
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{% endif %}
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{% endfor %}
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!
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router bgp {{ host['bgp']['asn'] }}
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router-id {{ host['interfaces']['Loopback0']['ipv4'] | ipaddr('address') }}
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!
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{% for asn, remote_ips in host['bgp']['peers'].items() %}
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{% for remote_ip in remote_ips %}
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neighbor {{ remote_ip }} remote-as {{ asn }}
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neighbor {{ remote_ip }} description {{ asn }}
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neighbor {{ remote_ip }} default-originate route-map DEFAULT_ROUTES
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{% if remote_ip | ipv6 %}
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address-family ipv6
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neighbor {{ remote_ip }} activate
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exit
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{% endif %}
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{% endfor %}
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{% endfor %}
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neighbor {{ props.nhipv4 }} remote-as {{ host['bgp']['asn'] }}
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neighbor {{ props.nhipv4 }} description exabgp_v4
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neighbor {{ props.nhipv6 }} remote-as {{ host['bgp']['asn'] }}
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neighbor {{ props.nhipv6 }} description exabgp_v6
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address-family ipv6
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neighbor {{ props.nhipv6 }} activate
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exit
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!
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{% for name, iface in host['interfaces'].items() if name.startswith('Loopback') %}
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{% if iface['ipv4'] is defined %}
@@ -107,10 +175,12 @@ router bgp {{ host['bgp']['asn'] }}
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network {{ iface['ipv6'] }}
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{% endif %}
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{% endfor %}
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redistribute static route-map PREPENDAS
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!
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management api http-commands
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no protocol https
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protocol http
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no shutdown
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!
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end
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