
# Copyright 2017-present Open Networking Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


---
- hosts: {{ instance_name }}
  #gather_facts: False
  connection: ssh
  become_user: ubuntu

  vars:
      container_name: {{ container_name }}
      cdn_enable: {{ cdn_enable }}
      dnsdemux_ip: {{ dnsdemux_ip }}
      firewall_enable: {{ firewall_enable }}
      url_filter_enable: {{ url_filter_enable }}
      docker_remote_image_name: {{ docker_remote_image_name }}
      docker_local_image_name: {{ docker_local_image_name }}
      docker_opts: {{ docker_opts }}
      c_tags:
        {% for c_tag in c_tags %}
        - {{ c_tag }}
        {% endfor %}
      s_tags:
        {% for s_tag in s_tags %}
        - {{ s_tag }}
        {% endfor %}
      firewall_rules:
        {% for firewall_rule in firewall_rules.split("\n") %}
        - {{ firewall_rule }}
        {% endfor %}
      cdn_prefixes:
        {% for prefix in cdn_prefixes %}
        - {{ prefix }}
        {% endfor %}
      dns_servers:
        {% for dns_server in dns_servers %}
        - {{ dns_server }}
        {% endfor %}
      nat_ip: {{ nat_ip }}
      nat_mac: {{ nat_mac }}
      lan_ip: {{ lan_ip }}
      lan_mac: {{ lan_mac }}
      wan_ip: {{ wan_ip }}
      wan_mac: {{ wan_mac }}
      wan_container_ip: {{ wan_container_ip }}
      wan_container_netbits: {{ wan_container_netbits }}
      wan_container_mac: {{ wan_container_mac }}
      wan_container_gateway_ip: {{ wan_container_gateway_ip }}
      wan_vm_ip: {{ wan_vm_ip }}
      wan_vm_mac: {{ wan_vm_mac }}
      wan_next_hop: 10.0.1.253   # FIX ME
      private_ip: {{ private_ip }}
      private_mac: {{ private_mac }}
      hpc_client_ip: {{ hpc_client_ip }}
      hpc_client_mac: {{ hpc_client_mac }}
      keystone_tenant_id: {{ keystone_tenant_id }}
      keystone_user_id: {{ keystone_user_id }}
      rabbit_user: {{ rabbit_user }}
      rabbit_password: {{ rabbit_password }}
      rabbit_host: {{ rabbit_host }}
      safe_browsing:
        {% for mac in safe_browsing_macs %}
        - {{ mac }}
        {% endfor %}
      uplink_speed: {{ uplink_speed }}
      downlink_speed: {{ downlink_speed }}
      status: {{ status }}
      enable_uverse: {{ enable_uverse }}
      url_filter_kind: {{ url_filter_kind }}


  tasks:
  - name: Add hostname to /etc/hosts
    lineinfile: dest=/etc/hosts
      regexp='^127\.0\.0\.1'
      line="127.0.0.1 localhost {{ '{{' }} ansible_hostname {{ '}}' }}"
      owner=root group=root mode=0644

  - name: Verify that bridge-utils is installed
    shell: stat /sbin/brctl

  - name: Verify that docker is installed
    shell: stat /usr/bin/docker

  - name: Check to see if network is setup
    stat: path=/root/network_is_setup
    register: network_is_setup

  - name: set up the network
    shell: "{{ '{{' }} item {{ '}}' }}"
    with_items:
       - ip link del link eth0 eth0.500 || true
       - ip link add link eth0 eth0.500 type vlan id 500
       - ip link set eth0.500 up
       - ifconfig br-wan down || true
       - brctl delbr br-wan || true
       - brctl addbr br-wan
       - brctl addif br-wan eth0.500
       - ifconfig br-wan hw ether {{ wan_vm_mac }}
       - ip addr add {{ wan_vm_ip }}/{{ wan_container_netbits }} dev br-wan
       - ip link set br-wan up
       - ip route del default || true
       - ip route add default via {{ wan_container_gateway_ip }}
       - ip link set dev br-wan promisc on
    when: network_is_setup.stat.exists == False

  - name: Remember that the network is setup, so we never do the above again
    shell: touch /root/network_is_setup

{% if full_setup %}
  - name: Check to see if environment is setup
    stat: path=/root/environment_is_setup
    register: environment_is_setup

# Everything here is now baked into the vSG image
# Leave this spot in place for future temporary setup stuff

  - name: Remember that the environment is setup, so we never do the above again
    shell: touch /root/environment_is_setup

  - name: Verify if vsg_stats_notifier ([] is to avoid capturing the shell process) cron job is already running
    shell: pgrep -f [v]sg_stats_notifier | wc -l
    register: cron_job_pids_count

#  - name: DEBUG
#    debug: var=cron_job_pids_count.stdout

#  - name: make sure ~/bin exists
#    file: path=~/bin state=directory owner=root group=root
#    when: cron_job_pids_count.stdout == "0"

#  - name: Copy cron job to destination
#    copy: src=/opt/xos/synchronizers/vsg/vsg_stats_notifier.py
#      dest=/usr/local/sbin/vsg_stats_notifier.py
#    when: cron_job_pids_count.stdout == "0"

#  - name: install python-kombu
#    apt: name=python-kombu state=present
#    when: cron_job_pids_count.stdout == "0"

#  - name: Initiate vsg_stats_notifier cron job
#    command: sudo python /usr/local/sbin/vsg_stats_notifier.py --keystone_tenant_id={{ keystone_tenant_id }} --keystone_user_id={{ keystone_user_id }} --rabbit_user={{ rabbit_user }} --rabbit_password={{ rabbit_password }} --rabbit_host={{ rabbit_host }} --vcpeservice_rabbit_exchange='vcpeservice'
#    async: 9999999999999999
#    poll: 0
#    when: cron_job_pids_count.stdout == "0"
{% endif %}

  - name: Set docker options
    template: src=/opt/xos/synchronizers/vsg/templates/docker.j2 dest=/etc/default/docker
    notify:
     - restart docker

  - name: vSG upstart
    template: src=/opt/xos/synchronizers/vsg/templates/vsg.conf.j2 dest=/etc/init/{{ container_name }}.conf

  - name: vSG startup script
    template: src=/opt/xos/synchronizers/vsg/templates/start-vsg-vtn.sh.j2 dest=/usr/local/sbin/start-{{ container_name }}.sh mode=0755
    notify:
#    - restart vsg
     - stop vsg
     - remove container
     - start vsg

  - name: create /var/container_volumes/{{ container_name }}/etc/dnsmasq.d/safe/
    file: path=/var/container_volumes/{{ container_name }}/etc/dnsmasq.d/safe state=directory owner=root group=root

  - name: vSG basic dnsmasq config
    copy: src=/opt/xos/synchronizers/vsg/files/vsg.dnsmasq dest=/var/container_volumes/{{ container_name }}/etc/dnsmasq.d/vsg.conf owner=root group=root
    notify:
    - restart dnsmasq

  - name: dnsmasq config
    template: src=/opt/xos/synchronizers/vsg/templates/dnsmasq_servers.j2 dest=/var/container_volumes/{{ container_name }}/etc/dnsmasq.d/servers.conf owner=root group=root
    notify:
    - restart dnsmasq

  - name: dnsmasq "safe" config
    template: src=/opt/xos/synchronizers/vsg/templates/dnsmasq_safe_servers.j2 dest=/var/container_volumes/{{ container_name }}/etc/dnsmasq.d/safe/servers.conf owner=root group=root
    notify:
    - restart dnsmasq

  - name: create /var/container_volumes/{{ container_name }}/mount/
    file: path=/var/container_volumes/{{ container_name }}/mount state=directory owner=root group=root

  - name: redirection rules for safe DNS
    template: src=/opt/xos/synchronizers/vsg/templates/before.rules.j2 dest=/var/container_volumes/{{ container_name }}/mount/before.rules owner=root group=root mode=0644
    notify:
    - reload ufw

  - name: base ufw setup uses /etc/rc.local
    template: src=/opt/xos/synchronizers/vsg/templates/rc.local.j2 dest=/var/container_volumes/{{ container_name }}/mount/rc.local owner=root group=root mode=0755
    notify:
    - rerun /etc/rc.local

  - name: create directory for local programs
    file: path=/var/container_volumes/{{ container_name }}/usr/local/sbin state=directory

  - name: bandwidth limit script
    template: src=/opt/xos/synchronizers/vsg/templates/bwlimit.sh.j2 dest=/var/container_volumes/{{ container_name }}/usr/local/sbin/bwlimit.sh owner=root group=root mode=0755
    notify:
    - reset bwlimits

  - name: create directory for simple webserver
    file: path=/var/container_volumes/{{ container_name }}/etc/service/message state=directory

  - name: copy simple webserver
    copy: src=/opt/xos/synchronizers/vsg/files/etc/service/ dest=/var/container_volumes/{{ container_name }}/etc/service/ owner=root group=root
    when: status != "enabled"

  - name: make webserver script executable
    file: path=/var/container_volumes/{{ container_name }}/etc/service/message/run mode=0755
    when: status != "enabled"

  - name: generate the message page
    template: src=/opt/xos/synchronizers/vsg/templates/message.html.j2 dest=/var/container_volumes/{{ container_name }}/etc/service/message/message.html owner=root group=root mode=0644
    when: status != "enabled"
    #notify: restart vsg

  - name: remove simple webserver
    file: path=/var/container_volumes/{{ container_name }}/etc/service/message/run state=absent
    when: status == "enabled"
    #notify: restart vsg

  - name: Make sure vSG service is running
    service: name={{ container_name }} state=started

  handlers:
  # Dnsmasq is automatically restarted in the container
  - name: restart dnsmasq
    shell: docker exec {{ container_name }} killall dnsmasq

  - name: stop vsg
    service: name={{ container_name }} state=stopped

  - name: remove container
    docker: name={{ container_name }} state=absent image=docker-vsg

  - name: start vsg
    service: name={{ container_name }} state=started

  - name: reload ufw
    shell: docker exec {{ container_name }} bash -c "/sbin/iptables -t nat -F PREROUTING; /sbin/iptables -t nat -F POSTROUTING; /usr/sbin/ufw reload"

  - name: rerun /etc/rc.local
    shell: docker exec {{ container_name }} bash -c "/etc/rc.local"

  - name: reset bwlimits
    shell: docker exec {{ container_name }} bash -c "/usr/local/sbin/bwlimit.sh restart"

  - name: restart vsg
    shell: service {{ container_name }} stop; sleep 1; service {{ container_name }} start

  - name: restart docker
    shell: service docker restart