#!/bin/bash

#PREFIX='myprefix-'
PREFIX='test1'
ROUTER_NAME="${PREFIX}border-router"
PRIVATE_NETWORK_NAME="pe1private-net"
PRIVATE_SUBNET_NAME="pe1private-subnet"
SSH_KEY_NAME="${PREFIX}first-instance-key"
INSTANCE_NAME="${PREFIX}first-instance"
SECURITY_GROUP_NAME="${PREFIX}first-instance-sg"
# Network portion of /24 you wish to use in the subnet
NETWORK="192.168.1"
POOL_START_OCT="10"
POOL_END_OCT="200"
FLAVOR_NAME="m1.small"
IMAGE_NAME="Ubuntu Xenial 16.04"
SSH_PUBLIC_KEY=~/.ssh/id_rsa.pub
CC_NAMESERVER_1=8.8.8.8
CC_NAMESERVER_2=8.8.4.4

# valid ip function
valid_ip() {
    regex="\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b"
    echo "$1" | egrep "$regex" &>/dev/null
    return $?
}

echo Finding your external ip:
hash dig 2>/dev/null && {
    CC_REMOTE_IP=$(dig +short myip.opendns.com @resolver1.opendns.com)
}
for curl_ip in http://ipinfo.io/ip http://ifconfig.me/ip http://curlmyip.com; do
    CC_REMOTE_IP=$( curl -s $curl_ip )
    if valid_ip "$CC_REMOTE_IP"; then
        break
    fi
done

if ! valid_ip "$CC_REMOTE_IP"; then
    echo "Could not determine your external IP address, please find it and edit CC_REMOTE_IP before proceeding";
    exit 1;
fi
echo "$CC_REMOTE_IP"
CC_REMOTE_CIDR_NETWORK="$CC_REMOTE_IP/32"

# everything is in order, lets build a stack!
echo Creating a new router:
openstack --insecure router create $ROUTER_NAME

echo Setting router gateway.
openstack --insecure router set $ROUTER_NAME

echo Creating a new private network:
openstack --insecure network create "$PRIVATE_NETWORK_NAME"

echo Creating a router interface on the subnet.
openstack --insecure router add subnet "$ROUTER_NAME" "pe1private-subnet"

echo Selecting a flavour.
CC_FLAVOR_ID=$( openstack --insecure flavor show "$FLAVOR_NAME" -f value -c id )

echo Selecting an image.
CC_IMAGE_ID=$( openstack --insecure image show "$IMAGE_NAME" -f value -c id )

echo Uploading a key:
openstack --insecure keypair create --public-key $SSH_PUBLIC_KEY $SSH_KEY_NAME

echo Getting network ids.
CC_PUBLIC_NETWORK_ID=$( openstack --insecure network show vlan1288 -f value -c id )
CC_PRIVATE_NETWORK_ID=$( openstack --insecure network show "$PRIVATE_NETWORK_NAME" -f value -c id )

echo Creating security group:
openstack --insecure security group create --description 'Network access for our first instance.' "$SECURITY_GROUP_NAME"

echo Getting security group id.
CC_SECURITY_GROUP_ID=$( openstack --insecure security group show "$SECURITY_GROUP_NAME" -f value -c id )

echo Creating security group rule for ssh access:
openstack --insecure security group rule create \
--ingress \
--protocol tcp \
--dst-port 22 \
--remote-ip "$CC_REMOTE_CIDR_NETWORK" \
"$CC_SECURITY_GROUP_ID"

echo Creating security group rule for icmp access:
openstack --insecure security group rule create \
--ingress \
--protocol icmp \
--remote-ip "$CC_REMOTE_CIDR_NETWORK" \
"$CC_SECURITY_GROUP_ID"

echo Booting first instance:
openstack --insecure server create \
--flavor "$CC_FLAVOR_ID" \
--image "$CC_IMAGE_ID" \
--key-name "$SSH_KEY_NAME" \
--security-group default \
--security-group "$SECURITY_GROUP_NAME" \
--nic "net-id=$CC_PRIVATE_NETWORK_ID" \
"$INSTANCE_NAME"

INSTANCE_STATUS=$( openstack --insecure server show "$INSTANCE_NAME" -f value -c status )

sleep 10;

echo You can now connect to your instance using the following command:
echo "ssh ubuntu@$CC_PUBLIC_IP";
	sleep 50;
   echo Sending the mysql script to the instance and giving it execute rights
   sudo scp installMysql.sh ubuntu@$CC_PUBLIC_IP:~/installMysql.sh
   ssh ubuntu@$CC_PUBLIC_IP 'chmod u+x installMysql.sh'
   ssh ubuntu@$CC_PUBLIC_IP './installMysql.sh'
fi