#!/bin/bash -ex

##############################################################################
# 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
##############################################################################

unitAddress()
{
        juju status | python -c "import yaml; import sys; print yaml.load(sys.stdin)[\"services\"][\"$1\"][\"units\"][\"$1/$2\"][\"public-address\"]" 2> /dev/null
}

unitMachine()
{
        juju status | python -c "import yaml; import sys; print yaml.load(sys.stdin)[\"services\"][\"$1\"][\"units\"][\"$1/$2\"][\"machine\"]" 2> /dev/null
}

# create external network and subnet in openstack
create_openrc() {
  mkdir -m 0700 -p cloud
  keystoneIp=$(unitAddress keystone 0)
  adminPasswd=$(juju get keystone | grep admin-password -A 5 | grep value | awk '{print $2}')
  configOpenrc admin $adminPasswd admin http://$keystoneIp:5000/v2.0 Canonical > cloud/admin-openrc
  chmod 0600 cloud/admin-openrc
}

configOpenrc()
{
	cat <<-EOF
		export OS_USERNAME=$1
		export OS_PASSWORD=$2
		export OS_TENANT_NAME=$3
		export OS_AUTH_URL=$4
		export OS_REGION_NAME=$5
		EOF
}

create_openrc

. ./cloud/admin-openrc

wget -P /tmp/images http://download.cirros-cloud.net/0.3.3/cirros-0.3.3-x86_64-disk.img
glance image-create --name "cirros-0.3.3-x86_64" --file /tmp/images/cirros-0.3.3-x86_64-disk.img --disk-format qcow2 --container-format bare --progress

#wget -P /tmp/images http://cloud-images.ubuntu.com/trusty/current/trusty-server-cloudimg-amd64-disk1.img
#glance image-create --name "ubuntu-trusty-daily" --file /tmp/images/trusty-server-cloudimg-amd64-disk1.img --disk-format qcow2 --container-format bare --progress
rm -rf /tmp/images

# adjust tiny image
nova flavor-delete m1.tiny
nova flavor-create m1.tiny 1 512 8 1

# configure security groups
#neutron security-group-rule-create --direction ingress --ethertype IPv4 --protocol icmp --remote-ip-prefix 0.0.0.0/0 default
#neutron security-group-rule-create --direction ingress --ethertype IPv4 --protocol tcp --port-range-min 22 --port-range-max 22 --remote-ip-prefix 0.0.0.0/0 default

# import key pair
keystone tenant-create --name demo --description "Demo Tenant"
keystone user-create --name demo --tenant demo --pass demo --email demo@demo.demo

nova keypair-add --pub-key ~/.ssh/id_rsa.pub ubuntu-keypair

# configure external network
neutron net-create ext-net --shared --router:external --provider:physical_network external --provider:network_type flat

##
## Parse Network config
##

if [ -f ./deployconfig.yaml ];then
    EXTERNAL_NETWORK=`grep floating-ip-range deployconfig.yaml | cut -d ' ' -f 4 `

    # split EXTERNAL_NETWORK=first ip;last ip; gateway;network

    EXTNET=(${EXTERNAL_NETWORK//,/ })

    EXTNET_FIP=${EXTNET[0]}
    EXTNET_LIP=${EXTNET[1]}
    EXTNET_GW=${EXTNET[2]}
    EXTNET_NET=${EXTNET[3]}

    neutron subnet-create ext-net --name ext-subnet \
       --allocation-pool start=$EXTNET_FIP,end=$EXTNET_LIP \
          --disable-dhcp --gateway $EXTNET_GW $EXTNET_NET
fi

# create vm network
neutron net-create demo-net
neutron subnet-create --name demo-subnet --gateway 10.20.5.1 demo-net 10.20.5.0/24

neutron router-create demo-router

neutron router-interface-add demo-router demo-subnet

neutron router-gateway-set demo-router ext-net

# create pool of floating ips
i=0
while [ $i -ne 5 ]; do
	neutron floatingip-create ext-net
	i=$((i + 1))
done

#http://docs.openstack.org/juno/install-guide/install/apt/content/launch-instance-neutron.html
# nova boot --flavor m1.small --image cirros-0.3.3-x86_64 --nic net-id=b65479a4-3638-4595-9245-6e41ccd8bfd8 --security-group default --key-name ubuntu-keypair demo-instance1
# nova floating-ip-associate demo-instance1 10.5.8.35