#!/bin/bash

set -ex
PACKAGE=$1
UBUNTU=false
FAILURE=false
FAILED_TESTS=""
SERVICE_STARTED=false
PLATFORM=$(python -mplatform)
TOKEN=$(openssl rand -hex 10)
MYSQL_PASS=mysql_pass
AUTH="--os-auth-url http://127.0.0.1:35357 --os-token $TOKEN --os-endpoint http://127.0.0.1:35357/v2.0/"
NEUTRON_AUTH="--os-username neutron --os-password neutron --os-tenant-name neutron --os-auth-url http://127.0.0.1:35357/v2.0"
CORE_PLUGIN="neutron.plugins.ml2.plugin.Ml2Plugin"

if [[ $PLATFORM =~ Ubuntu ]]; then UBUNTU=true; fi
if [ -z $PACKAGE ]; then echo "Package for testing is not specified"; exit 1; fi
echo "127.0.10.1 $(hostname)" >> /etc/hosts

install_packages() {
    #Install packages
    if $UBUNTU
    then
        echo "mysql-server mysql-server/root_password select $MYSQL_PASS" | debconf-set-selections
        echo "mysql-server mysql-server/root_password_again select $MYSQL_PASS" | debconf-set-selections
        apt-get install -y --force-yes rabbitmq-server mysql-server mysql-client-core-5.5 python-mysqldb keystone
    else
        #yum install -y openstack-keystone rabbitmq-server mysql-server MySQL-client python-oslo-utils
        yum install -y openstack-keystone rabbitmq-server python-oslo-utils
        #CentOS 7 temporary workaround
        yum install -y http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm
        yum install -y mysql-community-server mysql-community-client
        #Install some plugins because they are required for db-migration scripts (bug #1371184)
        #Ubuntu neutron-server package include them
        #yum install -y openstack-neutron-bigswitch openstack-neutron-brocade openstack-neutron-cisco openstack-neutron-hyperv openstack-neutron-vmware openstack-neutron-openvswitch \
        #               openstack-neutron-ryu openstack-neutron-linuxbridge openstack-neutron-metaplugin openstack-neutron-mellanox openstack-neutron-nec openstack-neutron-nuage
    fi
}

install_neutron_server () {
    if $UBUNTU
    then
        apt-get install -y --force-yes neutron-server
    else
        yum install -y openstack-neutron openstack-neutron-ml2
    fi
}

setup_rabbitmq () {
    #Setup firewall on CentOS 7
    if ! $UBUNTU ; then
        firewall-cmd --permanent --add-port=5672/tcp
        firewall-cmd --reload
        setsebool -P nis_enabled 1
    fi

    restart_service rabbitmq-server
    if [ $? -ne 0 ]; then
        echo "RabbitMQ server failed to start"
        cat /var/log/rabbitmq/startup_err
        cat /var/log/rabbitmq/startup_log
    fi
}

setup_database() {
    #Setup databases
    restart_service mysql
    if ! $UBUNTU
    then
       mysqladmin -u root password $MYSQL_PASS
    fi
    mysql -uroot -p$MYSQL_PASS -Bse "drop database if exists keystone"
    mysql -uroot -p$MYSQL_PASS -Bse "drop database if exists neutron"
    mysql -uroot -p$MYSQL_PASS -Bse "create database keystone"
    mysql -uroot -p$MYSQL_PASS -Bse "create database neutron"
    mysql -uroot -p$MYSQL_PASS -Bse "GRANT ALL PRIVILEGES ON neutron.* TO 'neutron'@'localhost' IDENTIFIED BY 'neutron'"
    mysql -uroot -p$MYSQL_PASS -Bse "GRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'localhost' IDENTIFIED BY 'keystone'"
    mysql -uroot -p$MYSQL_PASS -Bse "flush privileges"
}

setup_keystone() {
    #Setup Keystone
    if ! $UBUNTU
    then
        cp /usr/share/keystone/keystone-dist-paste.ini /etc/keystone/keystone-paste.ini
    fi
    cat > /etc/keystone/keystone.conf << EOF
[DEFAULT]
admin_token=$TOKEN
[database]
connection=mysql://keystone:keystone@localhost/keystone
[token]
provider=keystone.token.providers.uuid.Provider
EOF
    keystone-manage db_sync
    chown -R keystone:keystone /var/log/keystone/
    if $UBUNTU
    then
        service keystone restart
    else
        systemctl restart openstack-keystone
    fi
    sleep 10
    #Setup Neutron credentials
    keystone $AUTH user-create --name neutron --pass neutron
    keystone $AUTH tenant-create --name neutron
    keystone $AUTH role-create --name=admin
    keystone $AUTH user-role-add --user neutron --role admin --tenant neutron
    NEUTRON_SERVICE=`keystone $AUTH service-create --name=neutron --type=network --description="Neutron Networking Service" | grep id | awk -F '|' '{print $3}' | tr -d ' '`
    keystone $AUTH endpoint-create --region RegionOne --service-id=$NEUTRON_SERVICE --publicurl=http://localhost:9696 --internalurl=http://localhost:9696 --adminurl=http://localhost:9696
}

setup_neutron_services() {
#Setup Neutron
cat > /etc/neutron/neutron.conf << EOF
[DEFAULT]
auth_strategy = keystone
debug = True
verbose = True
service_plugins = neutron.services.l3_router.l3_router_plugin.L3RouterPlugin
core_plugin = $CORE_PLUGIN
rabbit_password = guest
rabbit_hosts = 127.0.0.1
rpc_backend = neutron.openstack.common.rpc.impl_kombu
state_path = /var/lib/neutron
lock_path = $state_path/lock
[keystone_authtoken]
auth_host = 127.0.0.1
auth_port = 35357
auth_protocol = http
admin_tenant_name = neutron
admin_user = neutron
admin_password = neutron
auth_url=http://127.0.0.1:35357/v2.0
[matchmaker_redis]
[matchmaker_ring]
[quotas]
[agent]
root_helper = sudo neutron-rootwrap /etc/neutron/rootwrap.conf
[database]
connection = mysql://neutron:neutron@127.0.0.1/neutron?charset=utf8
[service_providers]
EOF

cat > /etc/neutron/l3_agent.ini << EOF
[DEFAULT]
interface_driver =neutron.agent.linux.interface.OVSInterfaceDriver
root_helper=sudo neutron-rootwrap /etc/neutron/rootwrap.conf
EOF

    if ! $UBUNTU
    then
        cp /usr/share/neutron/api-paste.ini /etc/neutron/
        chown neutron:neutron /etc/neutron/api-paste.ini
    fi

    touch /etc/neutron/plugin.ini
    setup_rabbitmq
}

upgrade_neutron_db () {
    neutron-db-manage --config-file /etc/neutron/neutron.conf upgrade head || (echo "DB migration failed" && exit 1)
}

start_neutron_server () {
    restart_service neutron-server
    # Sleep is to let Neutron server successfully reconnect to AMQP
    sleep 10
}

try () {
    TEST_FUNCTION=$1
    SERVICE_STARTED=false
    for i in {1..5}
    do
       FAILURE=false
       $TEST_FUNCTION
       if ! $FAILURE
       then break
       elif [ $i -eq 5 ]
       then
           FAILED_TESTS+="$TEST_FUNCTION "
       fi
    done
}

restart_service () {
    local SERVICE=$1
    if $UBUNTU; then
        service $SERVICE restart
    else
        systemctl restart $SERVICE
    fi
}

check_neutron_server() {
    #Execute tests
    neutron $NEUTRON_AUTH net-create mynet1
    CHECK=$(neutron $NEUTRON_AUTH net-list | grep id)
    if [ -z "$CHECK" ]; then echo "Network listing failed" && FAILURE=true; fi
}

check_neutron_openvswitch () {
    # Workaround for bug #1371184
    if ! $UBUNTU
    then
        chown root:neutron /etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini
    fi

    if ! $SERVICE_STARTED ; then
        if $UBUNTU; then
            restart_service openvswitch-switch
            restart_service neutron-plugin-openvswitch-agent
        else
            restart_service openvswitch
            restart_service neutron-openvswitch-agent
        fi
        SERVICE_STARTED=true
    fi

    sleep 10
    STATUS=$(neutron $NEUTRON_AUTH agent-list | grep "Open vSwitch agent" | awk -F "|" '{print $5}' | tr -d " ")
    if [ "$STATUS" != ":-)" ]; then echo "OVS agent check failed"; FAILURE=true; fi
}

check_neutron_l3_agent () {
    if ! $SERVICE_STARTED ; then
        restart_service neutron-l3-agent
        SERVICE_STARTED=true
    fi
    #This sleep here and in other functions is intended to let the agent add information to the queue
    sleep 10
    STATUS=$(neutron $NEUTRON_AUTH agent-list | grep "L3 agent" | awk -F "|" '{print $5}' | tr -d " ")
    if [ "$STATUS" != ":-)" ]; then echo "L3 agent check failed"; FAILURE=true; fi
}

check_neutron_dhcp_agent () {
    if ! $SERVICE_STARTED ; then
        restart_service neutron-dhcp-agent
        SERVICE_STARTED=true
    fi
    sleep 10
    STATUS=$(neutron $NEUTRON_AUTH agent-list | grep "DHCP agent" | awk -F "|" '{print $5}' | tr -d " ")
    if [ "$STATUS" != ":-)" ]; then echo "DHCP agent check failed"; FAILURE=true; fi
}

check_neutron_metadata_agent () {
    if ! $SERVICE_STARTED ; then
        restart_service neutron-metadata-agent
        SERVICE_STARTED=true
    fi
    sleep 10
    STATUS=$(neutron $NEUTRON_AUTH agent-list | grep "Metadata agent" | awk -F "|" '{print $5}' | tr -d " ")
    if [ "$STATUS" != ":-)" ]; then echo "Metadata agent check failed"; FAILURE=true; fi
}

check_neutron_metering_agent () {
    if ! $SERVICE_STARTED ; then
        restart_service neutron-metering-agent
        SERVICE_STARTED=true
    fi
    sleep 10
    STATUS=$(neutron $NEUTRON_AUTH agent-list | grep "Metering agent" | awk -F "|" '{print $5}' | tr -d " ")
    if [ "$STATUS" != ":-)" ]; then echo "Metering agent check failed"; FAILURE=true; fi
}

check_neutron_client () {
    neutron --help > /dev/null
    if [ $? -ne 0 ]; then echo "Neutron client check failed"; FAILURE=true; fi
}

check_error () {
    if [ "$FAILED_TESTS" != "" ]
    then
        grep TRACE /var/log/neutron/*
        grep ERROR /var/log/neutron/*
        echo "Failed tests are: $FAILED_TESTS"
        exit 1
    fi
}

case $PACKAGE in
  neutron-server)
    install_neutron_server
    install_packages
    setup_database
    setup_keystone
    setup_neutron_services
    upgrade_neutron_db
    start_neutron_server
    try check_neutron_server
    check_error
  ;;
  openstack-neutron)
    install_neutron_server
    install_packages
    setup_database
    setup_keystone
    setup_neutron_services
    upgrade_neutron_db
    start_neutron_server
    try check_neutron_server
    try check_neutron_l3_agent
    try check_neutron_dhcp_agent
    try check_neutron_metadata_agent
    check_error
  ;;
  openstack-neutron-ml2)
    install_neutron_server
    install_packages
    setup_database
    setup_keystone
    setup_neutron_services
    upgrade_neutron_db
    start_neutron_server
    try check_neutron_server
    check_error
  ;;
  openstack-neutron-openvswitch|neutron-plugin-openvswitch-agent)
    install_packages
    install_neutron_server
    setup_database
    setup_keystone
    setup_neutron_services
    upgrade_neutron_db
    start_neutron_server
    try check_neutron_openvswitch
    check_error
  ;;
  python-neutronclient)
    check_neutron_client
    check_error
  ;;
  neutron-l3-agent)
    install_neutron_server
    install_packages
    setup_database
    setup_keystone
    setup_neutron_services
    upgrade_neutron_db
    start_neutron_server
    try check_neutron_l3_agent
    check_error
  ;;
  neutron-dhcp-agent)
    install_neutron_server
    install_packages
    setup_database
    setup_keystone
    setup_neutron_services
    upgrade_neutron_db
    start_neutron_server
    try check_neutron_dhcp_agent
    check_error
  ;;
  neutron-metadata-agent)
    install_neutron_server
    install_packages
    setup_database
    setup_keystone
    setup_neutron_services
    upgrade_neutron_db
    start_neutron_server
    try check_neutron_metadata_agent
    check_error
  ;;
  openstack-neutron-metering-agent|neutron-plugin-metering-agent)
    install_neutron_server
    install_packages
    setup_database
    setup_keystone
    setup_neutron_services
    upgrade_neutron_db
    start_neutron_server
    try check_neutron_metering_agent
    check_error
  ;;
esac

exit 0