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+---
+# SPDX-license-identifier: Apache-2.0
+##############################################################################
+# Copyright (c) 2018 SUSE LINUX GmbH and others.
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+# NOTE(hwoarang) Kubenet expects networking to be prepared by the administrator so it's necessary
+# to do that as part of the node configuration. All we need is to add static routes on every node
+# so cbr0 interfaces can talk to each other.
+- name: Prepare networking for kubenet
+ hosts: k8s-cluster
+ remote_user: root
+ gather_facts: True
+ become: yes
+ vars_files:
+ - "{{ xci_path }}/xci/var/opnfv.yml"
+ tasks:
+ - name: Configure static routes
+ block:
+ - name: Collect cbr0 information from the nodes
+ set_fact:
+ kubenet_xci_static_routes: |-
+ {% set static_routes = [] %}
+ {% for host in groups['k8s-cluster']|select("ne", inventory_hostname) %}
+ {%- set _ = static_routes.append(
+ {'network': (hostvars[host]['ansible_cbr0']['ipv4']['network']+'/'+
+ hostvars[host]['ansible_cbr0']['ipv4']['netmask'])|ipaddr('net'),
+ 'gateway': hostvars[host]['ansible_default_ipv4']['address']}) -%}
+ {% endfor %}
+ {{ static_routes }}
+
+ - name: Add static routes on each node
+ shell: "ip route show | grep -q {{ item.network }} || ip route add {{ item.network }} via {{ item.gateway }}"
+ with_items: "{{ kubenet_xci_static_routes }}"
+ loop_control:
+ label: "{{ item.network }}"
+ when: deploy_scenario.find('k8-nosdn-') != -1
+
+ - name: Ensure rp_filter is disabled on localhost
+ sysctl:
+ name: net.ipv4.conf.all.rp_filter
+ sysctl_set: yes
+ state: present
+ value: "{{ (kubenet_xci_static_routes is defined) | ternary(0, 1) }}"
+ reload: yes
+ delegate_to: localhost
+ run_once: True