#!/bin/bash
#
#    Copyright (C) 2014 Canonical Ltd.
#
#    Authors: Nicolas Thomss  <nicolas.thomas@canonical.com>
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, version 3 of the License.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.

set -ex

echo "This command is run to configure an Orange-Box Openstack deployment"

NEUTRON_FIXED_NET_CIDR="192.168.16.0/22"

#Check if VIP is set on keystone
#keystone_VIP=`juju get-config keystone| python -c "import yaml; import sys; print yaml.load(sys.stdin)[\"settings\"][\"vip\"][\"value\"]"||true`
keystone_VIP=`juju get keystone| python -c "import yaml; import sys; print yaml.load(sys.stdin)[\"settings\"][\"vip\"][\"value\"]"||true`

keystoneIp() {
    KEYSTONE=$(juju status keystone |grep public-address|sed -- 's/.*\: //')
    if [ $(echo $KEYSTONE|wc -w) == 1 ];then
        echo $KEYSTONE
    else
        juju get keystone | python -c "import yaml; import sys; print yaml.load(sys.stdin)['settings']['vip']['value']"
    fi
}

if [ -n "$keystone_VIP" ]
then
    keystone=$keystone_VIP
else
    #if os-public-hostname is set and not VIP assume we need to use those at OpenStack endpoints.
    keystone=$(keystoneIp)
    keystone_PUBENDPOINT=`juju get keystone| python -c "import yaml; import sys; print yaml.load(sys.stdin)[\"settings\"][\"os-public-hostname\"][\"value\"]"||true`
fi


echo "export SERVICE_ENDPOINT=http://$keystone:35357/v2.0/
unset SERVICE_TOKEN
unset SERVICE_ENDPOINT 
export OS_AUTH_URL=http://$keystone:35357/v2.0/
export OS_USERNAME=$(juju get keystone | python -c "import yaml; import sys; print yaml.load(sys.stdin)[\"settings\"][\"admin-user\"][\"value\"]")
export OS_PASSWORD=$(juju get keystone | python -c "import yaml; import sys; print yaml.load(sys.stdin)[\"settings\"][\"admin-password\"][\"value\"]")
export OS_TENANT_NAME=admin
export OS_REGION_NAME=$(juju get keystone | python -c "import yaml; import sys; print yaml.load(sys.stdin)[\"settings\"][\"region\"][\"value\"]")
" > ~/nova.rc

source ~/nova.rc

# Determine the tenant id for the configured tenant name.
export TENANT_ID="$(keystone tenant-list | grep $OS_TENANT_NAME | awk '{ print $2 }')"

if [ "$TENANT_ID" = "" ]; then
	echo "Unable to find tenant ID, keystone auth problem"
	exit
fi

echo "Configuring Openstack Neutron Networking"

#create ext network with neutron for floating IPs
EXTERNAL_NETWORK_ID=$(neutron net-show ext-net | grep " id" | awk '{print $4}')

#Create private network for neutron for tenant VMs
neutron net-show private > /dev/null 2>&1 || neutron net-create private
neutron subnet-show private_subnet > /dev/null 2>&1 || neutron subnet-create private $NEUTRON_FIXED_NET_CIDR -- --name private_subnet --dns_nameservers list=true 8.8.8.8
SUBNET_ID=$(neutron subnet-show private_subnet | grep " id" | awk '{print $4}')

#Create router for external network and private network
neutron router-show provider-router > /dev/null 2>&1 || neutron router-create --tenant-id $TENANT_ID provider-router
ROUTER_ID=$(neutron router-show provider-router | grep " id" | awk '{print $4}')

neutron router-gateway-clear provider-router || true
neutron router-gateway-set $ROUTER_ID $EXTERNAL_NETWORK_ID
## make it always ok to have it indempodent.
neutron router-interface-add $ROUTER_ID $SUBNET_ID || true


echo "Configuring security groups for access to ICMP, SSH and RDP by default"

#Configure the default security group to allow ICMP and SSH
neutron security-group-rule-list default | grep icmp > /dev/null 2>&1 || neutron security-group-rule-create --direction ingress --ethertype IPv4 --protocol icmp --remote-ip-prefix 0.0.0.0/0 default
neutron security-group-rule-list default | grep 22 > /dev/null 2>&1 || 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
neutron security-group-rule-list default | grep 3389 > /dev/null 2>&1 || neutron security-group-rule-create --direction ingress --ethertype IPv4 --protocol tcp --port-range-min 3389 --port-range-max 3389 --remote-ip-prefix 0.0.0.0/0 default

echo "Uploading default SSH key"

#Upload a default SSH key
nova keypair-list | grep default  > /dev/null 2>&1 || nova  keypair-add --pub-key ~/.ssh/id_rsa.pub default > /dev/null 2>&1

echo "Modifying the flavors to be better sized for the Orange Box"

#Modify the flavours to fit better on the OB
#nova flavor-create FLAVOR_NAME FLAVOR_ID RAM_IN_MB ROOT_DISK_IN_GB NUMBER_OF_VCPUS
nova flavor-delete m1.tiny > /dev/null 2>&1
nova flavor-delete m1.small > /dev/null 2>&1
nova flavor-delete m1.medium > /dev/null 2>&1
nova flavor-delete m1.large > /dev/null 2>&1
nova flavor-delete m1.xlarge > /dev/null 2>&1
nova flavor-create --is-public true m1.tiny auto 512 5 1 > /dev/null 2>&1
nova flavor-create --is-public true m1.small auto 1024 10 1 > /dev/null 2>&1
nova flavor-create --is-public true m1.medium auto 2048 10 2 > /dev/null 2>&1
nova flavor-create --is-public true m1.large auto 3072 10 2 > /dev/null 2>&1
## need extra for windows image (15g)
nova flavor-create --is-public true m1.xlarge auto 8096 30 4  > /dev/null 2>&1

echo "modifying default quotas for admin user"

#Modify quotas for the tenant to allow large deployments
nova quota-update --instances 400 $TENANT_ID
nova quota-update --cores 800 $TENANT_ID
nova quota-update --ram 404800 $TENANT_ID
nova quota-update --security-groups 4000 $TENANT_ID
nova quota-update --floating-ips -1 $TENANT_ID
nova quota-update --security-group-rules -1 $TENANT_ID

### need to find how to change quota for the project not the tenant

### modify default quota the same way..
nova quota-class-update --instances 400 $TENANT_ID
nova quota-class-update --cores 800 $TENANT_ID
nova quota-class-update --ram 404800 $TENANT_ID
nova quota-class-update --security-groups 4000 $TENANT_ID
nova quota-class-update --floating_ips -1 $TENANT_ID
nova quota-class-update --security-group-rules -1 $TENANT_ID

echo "Uploading images to glance"

#Upload images to glance
glance image-show "Precise x86_64" > /dev/null 2>&1 || glance image-create --name="Precise x86_64" --visibility=public --container-format=ovf --disk-format=qcow2 <  /srv/data/precise-server-cloudimg-amd64-disk1.img --progress
glance image-show "Trusty x86_64" > /dev/null 2>&1 || glance image-create --name="Trusty x86_64" --visibility=public --container-format=ovf --disk-format=qcow2 <  /srv/data/trusty-server-cloudimg-amd64-disk1.img --progress
glance image-show "Xenial x86_64" > /dev/null 2>&1 || glance image-create --name="Xenial x86_64" --visibility=public --container-format=ovf --disk-format=qcow2 <  /srv/data/xenial-server-cloudimg-amd64-disk1.img --progress
glance image-show "CentOS 6.4" > /dev/null 2>&1 || glance image-create --name="CentOS 6.4" --visibility=public --container-format=bare --disk-format=qcow2 < /srv/data/centos6.4-x86_64-gold-master.img --progress
glance image-show "Cirros 0.3" > /dev/null 2>&1 || glance image-create --name="Cirros 0.3" --visibility=public --container-format=bare --disk-format=qcow2 < /srv/data/cirros-0.3.4-x86_64-disk.img --progress
## image name is used by script to generate metadata .. don't screw the series
#glance image-show "win2012r2" > /dev/null 2>&1 || gzip -cd /srv/data/windows_server_2012_r2_standard_eval_kvm_20151021.qcow2.gz |glance image-create --name="Windows Server 2012" --is-public=true --container-format=bare --disk-format=qcow2 --progress