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Add support for Calico CNI host-local IPAM plugin (#6580)

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Barry Melbourne 2020-09-17 10:44:46 +01:00 committed by GitHub
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3 changed files with 22 additions and 7 deletions
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12
docs/calico.md
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@ -248,3 +248,15 @@ calico_node_extra_envs:
neutron security-group-rule-create --protocol 4 --direction egress k8s-a0tp4t
neutron security-group-rule-create --protocol 4 --direction igress k8s-a0tp4t
```
### Optional : Use Calico CNI host-local IPAM plugin
Calico currently supports two types of CNI IPAM plugins, `host-local` and `calico-ipam` (default).
To allow Calico to determine the subnet to use from the Kubernetes API based on the `Node.podCIDR` field, enable the following setting.
```yml
calico_ipam_host_local: true
```
Refer to Project Calico section [Using host-local IPAM](https://docs.projectcalico.org/reference/cni-plugin/configuration#using-host-local-ipam) for further information.

3
inventory/sample/group_vars/k8s-cluster/k8s-net-calico.yml
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@ -8,6 +8,9 @@
# Enables Internet connectivity from containers
# nat_outgoing: true
# Enables Calico CNI "host-local" IPAM plugin
# calico_ipam_host_local: true
# add default ippool name
# calico_pool_name: "default-pool"

6
roles/network_plugin/calico/templates/cni-calico.conflist.j2
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@ -22,7 +22,7 @@
"etcd_key_file": "{{ calico_cert_dir }}/key.pem",
"etcd_ca_cert_file": "{{ calico_cert_dir }}/ca_cert.crt",
{% endif %}
{% if calico_datastore == "kdd" and calico_version is version('v3.6.0', '<') %}
{% if calico_ipam_host_local is defined %}
"ipam": {
"type": "host-local",
"subnet": "usePodCidr"
@ -47,10 +47,10 @@
"policy": {
"type": "k8s"
},
{%- endif %}
{% endif %}
{% if calico_mtu is defined and calico_mtu is number %}
"mtu": {{ calico_mtu }},
{%- endif %}
{% endif %}
"kubernetes": {
"kubeconfig": "{% if calico_version is version('v3.3.0', '>=') %}__KUBECONFIG_FILEPATH__{% else %}{{ kube_config_dir }}/node-kubeconfig.yaml{% endif %}"
}