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Add calico/routereflector support

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Add BGP route reflectors support in order to optimize BGP topology
for deployments with Calico network plugin.

Also bump version of calico/ctl for some bug fixes.
This commit is contained in:
Aleksandr Didenko
2016-12-08 17:48:54 +01:00
parent 8e809aed01
commit d57c27ffcf
14 changed files with 264 additions and 9 deletions
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43
roles/network_plugin/calico/tasks/main.yml
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@@ -152,6 +152,16 @@
run_once: true
tags: facts
- name: Calico | Set global as_num
command: "{{ bin_dir}}/calicoctl config set asNumber {{ global_as_num }}"
run_once: true
when: not legacy_calicoctl
- name: Calico (old) | Set global as_num
command: "{{ bin_dir}}/calicoctl bgp default-node-as {{ global_as_num }}"
run_once: true
when: legacy_calicoctl
- name: Calico | Write /etc/network-environment
template: src=network-environment.j2 dest=/etc/network-environment
when: ansible_service_mgr in ["sysvinit","upstart"]
@@ -191,8 +201,9 @@
- name: Calico | Disable node mesh
shell: "{{ bin_dir }}/calicoctl config set nodeToNodeMesh off"
when: (not legacy_calicoctl and
peer_with_router|default(false) and inventory_hostname in groups['kube-node'])
when: ((peer_with_router|default(false) or peer_with_calico_rr|default(false))
and inventory_hostname in groups['kube-node']
and not legacy_calicoctl)
run_once: true
- name: Calico | Configure peering with router(s)
@@ -208,10 +219,27 @@
when: (not legacy_calicoctl and
peer_with_router|default(false) and inventory_hostname in groups['kube-node'])
- name: Calico | Configure peering with route reflectors
shell: >
echo '{
"kind": "bgpPeer",
"spec": {"asNumber": "{{ local_as | default(global_as_num)}}"},
"apiVersion": "v1",
"metadata": {"node": "{{ inventory_hostname }}",
"scope": "node",
"peerIP": "{{ hostvars[item]["calico_rr_ip"]|default(hostvars[item]["ip"]) }}"}
}'
| {{ bin_dir }}/calicoctl create --skip-exists -f -
with_items: "{{ groups['calico-rr'] | default([]) }}"
when: (not legacy_calicoctl and
peer_with_calico_rr|default(false) and inventory_hostname in groups['kube-node']
and hostvars[item]['cluster_id'] == cluster_id)
- name: Calico (old) | Disable node mesh
shell: "{{ bin_dir }}/calicoctl bgp node-mesh off"
when: (legacy_calicoctl and
peer_with_router|default(false) and inventory_hostname in groups['kube-node'])
when: ((peer_with_router|default(false) or peer_with_calico_rr|default(false))
and inventory_hostname in groups['kube-node']
and legacy_calicoctl)
run_once: true
- name: Calico (old) | Configure peering with router(s)
@@ -219,3 +247,10 @@
with_items: "{{ peers|default([]) }}"
when: (legacy_calicoctl and
peer_with_router|default(false) and inventory_hostname in groups['kube-node'])
- name: Calico (old) | Configure peering with route reflectors
shell: "{{ bin_dir }}/calicoctl node bgp peer add {{ hostvars[item]['calico_rr_ip']|default(hostvars[item]['ip']) }} as {{ local_as | default(global_as_num) }}"
with_items: "{{ groups['calico-rr'] | default([]) }}"
when: (legacy_calicoctl and
peer_with_calico_rr|default(false) and inventory_hostname in groups['kube-node']
and hostvars[item]['cluster_id'] == cluster_id)