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#!/bin/bash
#
# This script is meant to be run once after running start for the first
# time.  This script downloads a cirros image and registers it.  Then it
# configures networking and nova quotas to allow 40 m1.small instances
# to be created.

# Move to top level directory
REAL_PATH=$(python -c "import os,sys;print os.path.realpath('$0')")
cd "$(dirname "$REAL_PATH")/.."

NETWORK_MANAGER=$(grep -sri NETWORK_MANAGER ./compose/openstack.env | cut -f2 -d'=')
if [[ -z "$NETWORK_MANAGER" ]]; then
    echo 'No network manager defined in ./compose/openstack.env, defaulting to "neutron".'
    NETWORK_MANAGER="neutron"
fi

# Test for credentials set
if [[ "${OS_USERNAME}" == "" ]]; then
    echo "No Keystone credentials specified.  Try running source openrc"
    exit
fi

# Test to ensure configure script is run only once
if glance image-list | grep -q cirros; then
    echo "This tool should only be run once per deployment."
    exit
fi

echo Downloading glance image.
IMAGE_URL=http://download.cirros-cloud.net/0.3.3/
IMAGE=cirros-0.3.3-x86_64-disk.img
if ! [ -f "$IMAGE" ]; then
    curl -L -o ./$IMAGE $IMAGE_URL/$IMAGE
fi
echo Creating glance image.
glance image-create --name cirros --progress --is-public false --disk-format qcow2 --container-format bare --file ./$IMAGE

if [[ "${NETWORK_MANAGER}" == "nova" ]] ; then
    echo Configuring nova networking.
    nova secgroup-add-rule default tcp 22 22 0.0.0.0/0
    nova secgroup-add-rule default icmp -1 -1 0.0.0.0/0
    nova network-create vmnet --fixed-range-v4=10.0.0.0/24 --bridge=br100 --multi-host=T
else
    echo Configuring neutron.
    neutron net-create public1 --router:external True --provider:physical_network physnet1 --provider:network_type flat
    neutron subnet-create --name 1-subnet --disable-dhcp --allocation-pool start=192.168.100.150,end=192.168.100.199 public1 192.168.100.0/24 --gateway 192.168.100.1 --dns_nameservers list=true 192.168.100.1
    neutron net-create demo-net --provider:network_type vxlan --provider:segmentation_id 10
    neutron subnet-create --name demo-subnet --gateway 10.10.10.1 demo-net 10.10.10.0/24
    neutron router-create demo-router
    neutron router-interface-add demo-router demo-subnet
    neutron router-gateway-set demo-router public1

    # Sec Group Config
    neutron security-group-rule-create default --direction ingress --ethertype IPv4 --protocol icmp --remote-ip-prefix 0.0.0.0/0
    neutron security-group-rule-create default --direction ingress --ethertype IPv4 --protocol tcp --port-range-min 22 --port-range-max 22 --remote-ip-prefix 0.0.0.0/0
    # Open heat-cfn so it can run on a different host
    neutron security-group-rule-create default --direction ingress --ethertype IPv4 --protocol tcp --port-range-min 8000 --port-range-max 8000 --remote-ip-prefix 0.0.0.0/0
fi

if [ -r ~/.ssh/id_rsa.pub ]; then
    echo Configuring nova public key and quotas.
    nova keypair-add --pub-key ~/.ssh/id_rsa.pub mykey
fi

# Increase the quota to allow 40 m1.small instances to be created

# Get admin user and tenant IDs
ADMIN_USER=$(keystone user-list | awk '/admin/ {print $2}')
ADMIN_TENANT=$(keystone tenant-list | awk '/admin/ {print $2}')

# 40 instances
nova quota-update --instances 40 $ADMIN_TENANT
nova quota-update --user $ADMIN_USER --instances 40 $ADMIN_TENANT

# 40 cores
nova quota-update --cores 40 $ADMIN_TENANT
nova quota-update --user $ADMIN_USER --cores 40 $ADMIN_TENANT

# 96GB ram
nova quota-update --ram 96000 $ADMIN_TENANT
nova quota-update --user $ADMIN_USER --ram 96000 $ADMIN_TENANT