111 lines
5.0 KiB
Smarty
111 lines
5.0 KiB
Smarty
# Generated by confd
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include "bird6_aggr.cfg";
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include "bird6_ipam.cfg";
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{{`{{$node_ip_key := printf "/host/%s/ip_addr_v4" (getenv "NODENAME")}}{{$node_ip := getv $node_ip_key}}`}}
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{{`{{$node_ip6_key := printf "/host/%s/ip_addr_v6" (getenv "NODENAME")}}{{$node_ip6 := getv $node_ip6_key}}`}}
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{{`{{$router_id := getenv "CALICO_ROUTER_ID" ""}}`}}
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{{`router id {{if ne "" ($router_id)}}{{$router_id}}{{else}}{{$node_ip}}{{end}}; # Use IPv4 address since router id is 4 octets, even in MP-BGP`}}
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{{`{{define "LOGGING"}}`}}
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{{`{{$node_logging_key := printf "/host/%s/loglevel" (getenv "NODENAME")}}{{if exists $node_logging_key}}{{$logging := getv $node_logging_key}}`}}
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{{`{{if eq $logging "debug"}} debug all;{{else if ne $logging "none"}} debug { states };{{end}}`}}
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{{`{{else if exists "/global/loglevel"}}{{$logging := getv "/global/loglevel"}}`}}
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{{`{{if eq $logging "debug"}} debug all;{{else if ne $logging "none"}} debug { states };{{end}}`}}
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{{`{{else}} debug { states };{{end}}`}}
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{{`{{end}}`}}
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# Configure synchronization between routing tables and kernel.
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protocol kernel {
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learn; # Learn all alien routes from the kernel
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persist; # Don't remove routes on bird shutdown
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scan time 2; # Scan kernel routing table every 2 seconds
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import all;
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export all; # Default is export none
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graceful restart; # Turn on graceful restart to reduce potential flaps in
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# routes when reloading BIRD configuration. With a full
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# automatic mesh, there is no way to prevent BGP from
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# flapping since multiple nodes update their BGP
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# configuration at the same time, GR is not guaranteed to
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# work correctly in this scenario.
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}
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# Watch interface up/down events.
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protocol device {
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{{` {{template "LOGGING"}}`}}
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scan time 2; # Scan interfaces every 2 seconds
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}
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protocol direct {
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{{` {{template "LOGGING"}}`}}
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interface -"cali*", "*"; # Exclude cali* but include everything else.
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}
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{{`{{if eq "" ($node_ip6)}}# IPv6 disabled on this node.`}}
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{{`{{else}}{{$node_as_key := printf "/host/%s/as_num" (getenv "NODENAME")}}`}}
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# ensure we only listen to a specific ip and address
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listen bgp address {{`{{$node_ip6}}`}} port {{.Values.networking.bgp.ipv6.port.listen}};
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# Template for all BGP clients
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template bgp bgp_template {
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{{` {{template "LOGGING"}}`}}
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description "Connection to BGP peer";
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{{` local as {{if exists $node_as_key}}{{getv $node_as_key}}{{else}}{{getv "/global/as_num"}}{{end}};`}}
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multihop;
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gateway recursive; # This should be the default, but just in case.
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import all; # Import all routes, since we don't know what the upstream
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# topology is and therefore have to trust the ToR/RR.
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export filter calico_pools; # Only want to export routes for workloads.
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next hop self; # Disable next hop processing and always advertise our
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# local address as nexthop
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{{` source address {{$node_ip6}}; # The local address we use for the TCP connection`}}
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add paths on;
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graceful restart; # See comment in kernel section about graceful restart.
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}
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# ------------- Node-to-node mesh -------------
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{{`{{if (json (getv "/global/node_mesh")).enabled}}`}}
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{{`{{range $host := lsdir "/host"}}`}}
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{{`{{$onode_as_key := printf "/host/%s/as_num" .}}`}}
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{{`{{$onode_ip_key := printf "/host/%s/ip_addr_v6" .}}{{if exists $onode_ip_key}}{{$onode_ip := getv $onode_ip_key}}`}}
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{{`{{$nums := split $onode_ip ":"}}{{$id := join $nums "_"}}`}}
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{{`# For peer {{$onode_ip_key}}`}}
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{{`{{if eq $onode_ip ($node_ip6) }}# Skipping ourselves ({{$node_ip6}})`}}
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{{`{{else if eq "" $onode_ip}}# No IPv6 address configured for this node`}}
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{{`{{else}}protocol bgp Mesh_{{$id}} from bgp_template {`}}
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{{` neighbor {{$onode_ip}} as {{if exists $onode_as_key}}{{getv $onode_as_key}}{{else}}{{getv "/global/as_num"}}{{end}};`}}
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neighbor port {{.Values.networking.bgp.ipv6.port.neighbor}};
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{{`}{{end}}{{end}}{{end}}`}}
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{{`{{else}}`}}
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# Node-to-node mesh disabled
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{{`{{end}}`}}
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# ------------- Global peers -------------
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{{`{{if ls "/global/peer_v6"}}`}}
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{{`{{range gets "/global/peer_v6/*"}}{{$data := json .Value}}`}}
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{{`{{$nums := split $data.ip ":"}}{{$id := join $nums "_"}}`}}
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{{`# For peer {{.Key}}`}}
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{{`protocol bgp Global_{{$id}} from bgp_template {`}}
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{{` neighbor {{$data.ip}} as {{$data.as_num}};`}}
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neighbor port {{.Values.networking.bgp.ipv6.port.neighbor}};
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}
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{{`{{end}}`}}
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{{`{{else}}# No global peers configured.{{end}}`}}
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# ------------- Node-specific peers -------------
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{{`{{$node_peers_key := printf "/host/%s/peer_v6" (getenv "NODENAME")}}`}}
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{{`{{if ls $node_peers_key}}`}}
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{{`{{range gets (printf "%s/*" $node_peers_key)}}{{$data := json .Value}}`}}
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{{`{{$nums := split $data.ip ":"}}{{$id := join $nums "_"}}`}}
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{{`# For peer {{.Key}}`}}
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{{`protocol bgp Node_{{$id}} from bgp_template {`}}
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{{` neighbor {{$data.ip}} as {{$data.as_num}};`}}
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neighbor port {{.Values.networking.bgp.ipv6.port.neighbor}};
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}
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{{`{{end}}`}}
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{{`{{else}}# No node-specific peers configured.{{end}}`}}
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{{`{{end}}`}}
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