From 467adc6c991fc05714a16695048f0ead25e94e6f Mon Sep 17 00:00:00 2001
From: Pedro Alvarez <pedro.alvarez@codethink.co.uk>
Date: Tue, 7 Apr 2015 13:03:22 +0000
Subject: continue moving network configuration to network.yml

---
 openstack/usr/share/openstack/network.yml | 75 +++++++++----------------------
 1 file changed, 20 insertions(+), 55 deletions(-)

diff --git a/openstack/usr/share/openstack/network.yml b/openstack/usr/share/openstack/network.yml
index 8cb35e29..4ea20672 100644
--- a/openstack/usr/share/openstack/network.yml
+++ b/openstack/usr/share/openstack/network.yml
@@ -6,44 +6,39 @@
 # https://fosskb.wordpress.com/2014/10/18/openstack-juno-on-ubuntu-14-10/
 # and https://fosskb.wordpress.com/2014/06/10/managing-openstack-internaldataexternal-network-in-one-interface/
 
+# Count number of network interfaces (interfaces starting with 'e')
   - shell: ls /sys/class/net | grep ^e.* | wc -l
     register: number_interfaces
 
-  - set_fact:
-        ETH_INTERFACE: "{{ ansible_default_ipv4.interface }}"
-    when: ansible_default_ipv4.interface
-  - set_fact:
-        ETH_INTERFACE: br-eth0
-    when: not ansible_default_ipv4.interface
+# Abort if there number of interfaces != 1
+  - fail:
+        msg: More than one, or none network interfaces found.
+    when: number_interfaces.stdout != "1"
+
+  - shell: ls /sys/class/net | grep ^e.*
+    register: interface_name
 
   - set_fact:
-        ETH_MAC_ADDRESS: "{{ ansible_default_ipv4.macaddress }}"
-        ETH_IP_ADDRESS: "{{ ansible_default_ipv4.address }}"
-    when: ETH_INTERFACE != "br-eth0"
+        ETH_INTERFACE: "{{ interface_name.stdout }}"
+        ETH_MAC_ADDRESS: "{{ hostvars['localhost']['ansible_'] + interface_name.stdout }}"
+
+  - name: Create the /run/systemd/network
+    file:
+        path: /run/systemd/network
+        state: directory
 
-# if is not br-eth0
   - name: Disable dhcp on the bound physical interface
     template:
         src: /usr/share/openstack/extras/00-disable-device.network
-        dest: /etc/systemd/network/00-disable-{{ item }}-config.network
+        dest: /run/systemd/network/00-disable-{{ item }}-config.network
     with_items:
     - "{{ ETH_INTERFACE }}"
-    when: ETH_INTERFACE != "br-eth0"
 
 
-# if is not br-eth0
-  - name: >
-        Deallocate ip address for external interface so we don't try to route
-        connections out of an interface that not longer works. Run only when
-        we are not connecting through the br-eth0 bridge
-    shell: ip addr del {{ ETH_IP_ADDRESS }} dev {{ ETH_INTERFACE }}
-    when: ETH_INTERFACE != "br-eth0"
-
-# If is not br-eth0
   - name: Disable dhcp on all the internal interfaces
     template:
         src: /usr/share/openstack/extras/00-disable-device.network
-        dest: /etc/systemd/network/00-disable-{{ item }}-config.network
+        dest: /run/systemd/network/00-disable-{{ item }}-config.network
     with_items:
     - br-eth1
     - br-ex
@@ -51,13 +46,6 @@
     - proxy-br-eth1
     - proxy-br-ex
     - ovs-system
-    register: internal_dhcp_disabled
-
-  - name: Restart networkd so it understands to not bring up the interfaces disabled
-    service:
-        name: systemd-networkd.service
-        state: restarted
-    when: internal_dhcp_disabled|changed
 
 #ovs-vsctl \
 #    -- add-br br-eth0 \
@@ -69,28 +57,21 @@
   - openvswitch_bridge:
         bridge: br-eth0
         state: present
-# if is not br-eth0
+
   - openvswitch_port:
         bridge: br-eth0
         port: "{{ ETH_INTERFACE }}"
         state: present
-    when: ETH_INTERFACE != "br-eth0"
-# if is not br-eth0
+
   - shell: ovs-vsctl set bridge br-eth0 other-config:hwaddr={{ ETH_MAC_ADDRESS }}
-    when: ETH_INTERFACE != "br-eth0"
 
   - name: Enable dhcp on the Open vSwitch device that replaces our external interface
     template:
         src: /usr/share/openstack/extras/10-device-dhcp.network
-        dest: /etc/systemd/network/10-{{ item }}-dhcp.network
+        dest: /run/systemd/network/10-{{ item }}-dhcp.network
     with_items:
     - br-eth0
 
-  - name: Restart networkd again so it will DHCP in the Open vSwitch interface
-    service:
-        name: systemd-networkd.service
-        state: restarted
-
 #ovs-vsctl \
 #    -- add-br br-eth1 \
 #    -- add-port br-eth1 eth1-br-proxy \
@@ -130,19 +111,3 @@
         port: proxy-br-ex
         state: present
   - shell: ovs-vsctl set interface proxy-br-ex type=patch options:peer=ex-br-proxy
-
-
-## SERVICES
-  - name: Enable and start openstack-neutron services
-    service:
-        name: "{{ item }}"
-        enabled: yes
-        state: started
-    with_items:
-    - openstack-neutron-ovs-cleanup.service
-    - openstack-neutron-server.service
-    - openstack-neutron-dhcp-agent.service
-    - openstack-neutron-l3-agent.service
-    - openstack-neutron-metadata-agent.service
-    - openstack-neutron-plugin-openvswitch-agent.service
-
-- 
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