openstack-helm-infra/calico/templates/bird/_bird.cfg.template.tpl
Chris Wedgwood 49604fbd17 [Calico] Update to v3.3.2
Calico v3.3.2 update with:

 * update container images
 * update configuration
   * expose  ipPool blockSize
 * update bird templates
 * update rbac

Change-Id: I72d218cb55a70b72c4d7d940109e718fe44a094f
2018-12-30 06:15:50 +00:00

129 lines
5.6 KiB
Smarty

# Generated by confd
include "bird_aggr.cfg";
include "bird_ipam.cfg";
{{`{{$node_ip_key := printf "/host/%s/ip_addr_v4" (getenv "NODENAME")}}{{$node_ip := getv $node_ip_key}}`}}
# ensure we only listen to a specific ip and address
listen bgp address {{`{{$node_ip}}`}} port {{.Values.networking.bgp.ipv4.port.listen}};
{{`{{$router_id := getenv "CALICO_ROUTER_ID" ""}}`}}
{{`router id {{if ne "" ($router_id)}}{{$router_id}}{{else}}{{$node_ip}}{{end}};`}}
{{`{{define "LOGGING"}}`}}
{{`{{$node_logging_key := printf "/host/%s/loglevel" (getenv "NODENAME")}}{{if exists $node_logging_key}}{{$logging := getv $node_logging_key}}`}}
{{`{{if eq $logging "debug"}} debug all;{{else if ne $logging "none"}} debug { states };{{end}}`}}
{{`{{else if exists "/global/loglevel"}}{{$logging := getv "/global/loglevel"}}`}}
{{`{{if eq $logging "debug"}} debug all;{{else if ne $logging "none"}} debug { states };{{end}}`}}
{{`{{else}} debug { states };{{end}}`}}
{{`{{end}}`}}
# Configure synchronization between routing tables and kernel.
protocol kernel {
learn; # Learn all alien routes from the kernel
persist; # Don't remove routes on bird shutdown
scan time 2; # Scan kernel routing table every 2 seconds
import all;
export filter calico_ipip; # Default is export none
graceful restart; # Turn on graceful restart to reduce potential flaps in
# routes when reloading BIRD configuration. With a full
# automatic mesh, there is no way to prevent BGP from
# flapping since multiple nodes update their BGP
# configuration at the same time, GR is not guaranteed to
# work correctly in this scenario.
}
# Watch interface up/down events.
protocol device {
{{` {{template "LOGGING"}}`}}
scan time 2; # Scan interfaces every 2 seconds
}
protocol direct {
{{` {{template "LOGGING"}}`}}
interface -"cali*", "*"; # Exclude cali* but include everything else.
}
{{`{{if eq "" ($node_ip)}}# IPv4 disabled on this node.`}}
{{`{{else}}{{$node_as_key := printf "/host/%s/as_num" (getenv "NODENAME")}}`}}
# Template for all BGP clients
template bgp bgp_template {
{{` {{template "LOGGING"}}`}}
description "Connection to BGP peer";
{{` local as {{if exists $node_as_key}}{{getv $node_as_key}}{{else}}{{getv "/global/as_num"}}{{end}};`}}
multihop;
gateway recursive; # This should be the default, but just in case.
import all; # Import all routes, since we don't know what the upstream
# topology is and therefore have to trust the ToR/RR.
export filter calico_pools; # Only want to export routes for workloads.
{{` source address {{$node_ip}}; # The local address we use for the TCP connection`}}
add paths on;
graceful restart; # See comment in kernel section about graceful restart.
}
# ------------- Node-to-node mesh -------------
{{`{{- $node_cid_key := printf "/host/%s/rr_cluster_id" (getenv "NODENAME")}}`}}
{{`{{- $node_cluster_id := getv $node_cid_key}}`}}
{{`{{- if ne "" ($node_cluster_id)}}`}}
{{`# This node is configured as a route reflector with cluster ID {{$node_cluster_id}};`}}
# ignore node-to-node mesh setting.
{{`{{- else}}`}}
{{`{{if (json (getv "/global/node_mesh")).enabled}}`}}
{{`{{range $host := lsdir "/host"}}`}}
{{`{{$onode_as_key := printf "/host/%s/as_num" .}}`}}
{{`{{$onode_ip_key := printf "/host/%s/ip_addr_v4" .}}{{if exists $onode_ip_key}}{{$onode_ip := getv $onode_ip_key}}`}}
{{`{{$nums := split $onode_ip "."}}{{$id := join $nums "_"}}`}}
{{`# For peer {{$onode_ip_key}}`}}
{{`{{if eq $onode_ip ($node_ip) }}# Skipping ourselves ({{$node_ip}})`}}
{{`{{else if ne "" $onode_ip}}protocol bgp Mesh_{{$id}} from bgp_template {`}}
{{` neighbor {{$onode_ip}} as {{if exists $onode_as_key}}{{getv $onode_as_key}}{{else}}{{getv "/global/as_num"}}{{end}};`}}
neighbor port {{.Values.networking.bgp.ipv4.port.neighbor}};
{{`}{{end}}{{end}}{{end}}`}}
{{`{{else}}`}}
# Node-to-node mesh disabled
{{`{{end}}`}}
{{`{{- end}}`}}
# ------------- Global peers -------------
{{`{{if ls "/global/peer_v4"}}`}}
{{`{{range gets "/global/peer_v4/*"}}{{$data := json .Value}}`}}
{{`{{$nums := split $data.ip "."}}{{$id := join $nums "_"}}`}}
{{`# For peer {{.Key}}`}}
{{`{{- if eq $data.ip ($node_ip) }}`}}
{{`# Skipping ourselves ({{$node_ip}})`}}
{{`{{- else}}`}}
{{`protocol bgp Global_{{$id}} from bgp_template {`}}
{{` neighbor {{$data.ip}} as {{$data.as_num}};`}}
neighbor port {{.Values.networking.bgp.ipv4.port.neighbor}};
{{`{{- if and (ne "" ($node_cluster_id)) (ne $data.rr_cluster_id ($node_cluster_id))}}`}}
rr client;
{{` rr cluster id {{$node_cluster_id}};`}}
{{`{{- end}}`}}
}
{{`{{- end}}`}}
{{`{{end}}`}}
{{`{{else}}# No global peers configured.{{end}}`}}
# ------------- Node-specific peers -------------
{{`{{$node_peers_key := printf "/host/%s/peer_v4" (getenv "NODENAME")}}`}}
{{`{{if ls $node_peers_key}}`}}
{{`{{range gets (printf "%s/*" $node_peers_key)}}{{$data := json .Value}}`}}
{{`{{$nums := split $data.ip "."}}{{$id := join $nums "_"}}`}}
{{`# For peer {{.Key}}`}}
{{`{{- if eq $data.ip ($node_ip) }}`}}
{{`# Skipping ourselves ({{$node_ip}})`}}
{{`{{- else}}`}}
{{`protocol bgp Node_{{$id}} from bgp_template {`}}
{{` neighbor {{$data.ip}} as {{$data.as_num}};`}}
neighbor port {{.Values.networking.bgp.ipv4.port.neighbor}};
{{`{{- if and (ne "" ($node_cluster_id)) (ne $data.rr_cluster_id ($node_cluster_id))}}`}}
rr client;
{{` rr cluster id {{$node_cluster_id}};`}}
{{`{{- end}}`}}
}
{{`{{- end}}`}}
{{`{{end}}`}}
{{`{{else}}# No node-specific peers configured.{{end}}`}}
{{`{{end}}{{/* End of IPv4 enable check */}}`}}