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Add ability to define network backend for Calico.

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This patch introduce `calico_network_backend` global variable,
which allow to describe alternative network backend.
Default behavior is unchanged.
This commit is contained in:
Sergey Vasilenko 2016-11-16 22:24:43 +03:00
parent a42ffb7471
commit e73c86c6aa
2 changed files with 12 additions and 2 deletions
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10
docs/calico.md
View file

@ -50,6 +50,16 @@ or for versions prior *v1.0.0*:
calicoctl endpoint show --detail
```
##### Optionnal : Define network backend
In some cases you may want to define Calico network backend. Allowed values are 'bird', 'gobgp' or 'none'. Bird is a default value.
To re-define you need to edit the inventory and add a group variable `calico_network_backend`
```
calico_network_backend: none
```
##### Optionnal : BGP Peering with border routers
In some cases you may want to route the pods subnet and so NAT is not needed on the nodes.

4
roles/network_plugin/calico/templates/calico-node.service.j2
View file

@ -15,9 +15,9 @@ ExecStart={{ bin_dir }}/calicoctl node --ip={{ip | default(ansible_default_ipv4.
{% endif %}
{% else %}
{% if inventory_hostname in groups['kube-node'] and peer_with_router|default(false)%}
ExecStart={{ bin_dir }}/calicoctl node run --ip={{ip | default(ansible_default_ipv4.address) }} --as={{ local_as }} --node-image={{ calico_node_image_repo }}:{{ calico_node_image_tag }}
ExecStart={{ bin_dir }}/calicoctl node run --ip={{ip | default(ansible_default_ipv4.address) }} --as={{ local_as }} --node-image={{ calico_node_image_repo }}:{{ calico_node_image_tag }} {% if calico_network_backend is defined %}--backend={{calico_network_backend }}{% endif %}
{% else %}
ExecStart={{ bin_dir }}/calicoctl node run --ip={{ip | default(ansible_default_ipv4.address) }} --node-image={{ calico_node_image_repo }}:{{ calico_node_image_tag }}
ExecStart={{ bin_dir }}/calicoctl node run --ip={{ip | default(ansible_default_ipv4.address) }} --node-image={{ calico_node_image_repo }}:{{ calico_node_image_tag }} {% if calico_network_backend is defined %}--backend={{calico_network_backend }}{% endif %}
{% endif %}
{% endif %}
Restart=always