Data

files/ovsovn.service

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+[Unit]
+Description=ACS2 OpenVSwitch and OVN Controller service
+After=network.target
+StartLimitIntervalSec=0
+
+[Service]
+Type=forking
+RestartSec=5
+
+ExecStart=/usr/sbin/ovsovn-service-manager.sh START
+ExecStop=/usr/sbin/ovsovn-service-manager.sh STOP
+
+[Install]
+WantedBy=multi-user.target

handlers/main.yml

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+---
+- name: restart ovsovn.service
+  action: service name=ovsovn enabled=yes state=restarted

tasks/main.yml

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+- name: "Checking presense of OpenVsitch and comparing MD5 hash value"
+  stat:
+    path: /usr/sbin/ovsdb-server
+    checksum_algorithm: md5
+  register: ovsdb_server_exists
+
+# This will ensure that all OpenvSwitch binaries are running the desired version, based on the MD5 value stored in the variables file
+# When releasing a new version of ovs, update this md5 an update the copy and install tasks below
+
+- name: "Set fact to False"
+  set_fact:
+    force_new_ovs_download: False
+
+- name: "Set fact to true if the source file exists but the MD5 sum does not match"
+  set_fact:
+    force_new_ovs_download: "{{ ovsdb_server_exists.stat.checksum != ovsdb_server_md5_value }}"
+  when: ovsdb_server_exists.stat.exists == True
+
+
+- name: "Set fact to true if the source file does not exist"
+  set_fact:
+    force_new_ovs_download: True
+  when: ovsdb_server_exists.stat.exists == False
+
+- debug: msg="Installing OpenVSwitch"
+  when: force_new_ovs_download == True
+
+- debug: msg="NOT Installing OpenVSwitch, MD5 sum matches"
+  when: force_new_ovs_download == False
+
+- name: "Copy OVN binaries"
+  copy:
+    src: "{{item}}"
+    dest: "/tmp/{{item}}"
+  with_items:
+    - libopenvswitch_2.13.0-1_amd64.deb
+    - openvswitch-common_2.13.0-1_amd64.deb
+    - openvswitch-switch_2.13.0-1_amd64.deb
+  when: force_new_ovs_download == True
+
+
+
+
+- name: "Install packages"
+  apt:
+    deb: "{{ item }}"
+  with_items:
+    - "/tmp/libopenvswitch_2.13.0-1_amd64.deb"
+    - "/tmp/openvswitch-common_2.13.0-1_amd64.deb"
+    - "/tmp/openvswitch-switch_2.13.0-1_amd64.deb"
+  when: force_new_ovs_download == True
+
+
+
+
+
+
+
+
+
+- name: "Checking presense of OVN and comparing MD5 hash value"
+  stat:
+    path: /usr/bin/ovn-nbctl
+    checksum_algorithm: md5
+  register: ovn_nbctl_exists
+
+# This will ensure that all OVN binaries are running the desired version, based on the MD5 value stored in the variables file
+# When releasing a new version of OVN, update this md5 an update the copy and install tasks below
+
+- name: "Set fact to False"
+  set_fact:
+    force_new_ovn_download: False
+
+- name: "Set fact to true if the source file exists but the MD5 sum does not match"
+  set_fact:
+    force_new_ovn_download: "{{ ovn_nbctl_exists.stat.checksum != ovn_nbctl_md5_value }}"
+  when: ovn_nbctl_exists.stat.exists == True
+
+#- debug: msg={{ovn_nbctl_md5_value}}
+#- debug: msg={{ovn_nbctl_exists}}
+
+- name: "Set fact to true if the source file does not exist"
+  set_fact:
+    force_new_ovn_download: True
+  when: ovn_nbctl_exists.stat.exists == False
+
+- debug: msg="Installing OVN"
+  when: force_new_ovn_download == True
+
+- debug: msg="NOT Installing OVN, MD5 sum matches"
+  when: force_new_ovn_download == False
+
+- name: "Copy OVN binaries"
+  copy:
+    src: "{{item}}"
+    dest: "/tmp/{{item}}"
+  with_items:
+    - ovn_20.06.0-1_amd64.deb
+  when: force_new_ovn_download == True
+
+- name: "Install packages"
+  apt:
+    deb: "{{ item }}"
+  with_items:
+    - "/tmp/ovn_20.06.0-1_amd64.deb"
+  when: force_new_ovn_download == True
+
+
+
+#Install the custom service to start OVS and OVN as required
+- name: "Copy /usr/sbin/ovsovn-service-manager.sh file"
+  template:
+    src: ovsovn-service-manager.sh.j2
+    dest: "/usr/sbin/ovsovn-service-manager.sh"
+    mode: +x
+  notify:
+   - restart ovsovn.service
+  tags: service
+
+- name: "Configure ovsovn.service"
+  action: template src=files/ovsovn.service dest=/etc/systemd/system/ovsovn.service backup=no
+  notify:
+   - restart ovsovn.service
+  tags: service
+
+- name: "Reload systemctl then enable & start ovsovn service"
+  systemd:
+    state: started
+    enabled: True
+    daemon_reload: yes
+    name:  ovsovn.service
+  tags: service

templates/ovsovn-service-manager.sh.j2

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+#!/bin/bash
+
+if [ "$#" -ne 1 ]; then
+    echo "Illegal number of parameters"
+    exit 1
+fi
+echo "ZZZ $1"
+
+START(){
+    hostname=$(hostname)
+    loopbackIP={{LAN_IP}}
+    controllerIP={{OVN_VIP}}
+    echo "Starting OpenVSwitch and OVN on $hostname with $loopbackIP and pointing to OVN controller $controllerIP"
+
+    DIR="/var/run/openvswitch/db.sock"
+    if [ -d "$DIR" ]; then
+        rm -rf $DIR
+        echo "Removed extraneous dir $DIR"
+    fi
+
+    /usr/share/openvswitch/scripts/ovs-ctl start --system-id=$hostname
+    #Instruct OVSDB to listen on 127.0.0.2:6640 so the ovs-vsctl command from within a container can access OpenVswitch
+    ovs-appctl -t ovsdb-server ovsdb-server/add-remote ptcp:6640
+
+    ovs-vsctl set open . external-ids:ovn-bridge=br-int
+    ovs-vsctl set open . external-ids:ovn-remote=tcp:$controllerIP:6642
+    ovs-vsctl set open . external-ids:ovn-encap-type=geneve
+    ovs-vsctl set open . external-ids:ovn-encap-ip=$loopbackIP
+    /usr/share/ovn/scripts/ovn-ctl start_controller
+    echo "OVS and OVN started"
+
+{% if ansible_fqdn in groups['compute-nodes'] %}
+    echo "Bringing online br-provider for WAN1"
+    ovs-vsctl --may-exist add-br br-provider
+    ovs-vsctl set open . external-ids:ovn-bridge-mappings=WAN1:br-provider
+    ovs-vsctl --may-exist add-port br-provider bond0.11
+{% endif %}
+
+
+}
+STOP() {
+    echo "Stopping OpenVSwitch and OVN"
+    /usr/share/ovn/scripts/ovn-ctl stop_controller
+    /usr/share/ovn/scripts/ovn-ctl stop_ovsdb
+    /usr/share/openvswitch/scripts/ovs-ctl stop
+    echo "OpenVSwitch and OVN Stopped"
+}
+
+case $1 in
+  START|STOP) "$1" ;;
+esac