#!/bin/bash

function create_servers {
    echo "Creating SFC demo instances"
    DEMO_NET=$(openstack network list | awk '/demo-net/ { print $2 }')
    IMAGE_ID=$(openstack image list | awk '/cirros/ { print $2 }')
    FLOATING_IP_CLIENT=$(openstack floating ip create public1 -c floating_ip_address -f value)
    FLOATING_IP_SERVER=$(openstack floating ip create public1 -c floating_ip_address -f value)
    openstack server create --wait --flavor m1.tiny --image $IMAGE_ID --nic net-id=$DEMO_NET kolla_sfc_server
    openstack server create --wait --flavor m1.tiny --image $IMAGE_ID --nic net-id=$DEMO_NET kolla_sfc_client
    openstack server add floating ip kolla_sfc_client $FLOATING_IP_CLIENT
    openstack server add floating ip kolla_sfc_server $FLOATING_IP_SERVER
    KOLLA_SFC_CLIENT_PORT=$(openstack port list --server kolla_sfc_client | awk '/ACTIVE/ {print $2}')
}

function sfc_gen_config {
    echo "Tacker SFC config files"
    cat > ./kolla-sample-vnffgd.yaml <<EOF
tosca_definitions_version: tosca_simple_profile_for_nfv_1_0_0

description: Sample VNFFG template

topology_template:
  description: Sample VNFFG template

  node_templates:

    Forwarding_path1:
      type: tosca.nodes.nfv.FP.TackerV2
      description: creates path (CP12->CP12)
      properties:
        id: 51
        policy:
          type: ACL
          criteria:
            - name: block_http
              classifier:
                network_src_port_id: ${KOLLA_SFC_CLIENT_PORT}
                network_id: ${DEMO_NET}
                ip_proto: 6
                destination_port_range: 80-80
        path:
          - forwarder: kolla-sample-vnfd
            capability: CP11

  groups:
    VNFFG1:
      type: tosca.groups.nfv.VNFFG
      description: HTTP to Corporate Net
      properties:
        vendor: tacker
        version: 1.0
        number_of_endpoints: 1
        dependent_virtual_link: [VL1]
        connection_point: [CP11]
        constituent_vnfs: [kolla-sample-vnfd]
      members: [Forwarding_path1]
EOF
}

function deploy_sfc {
    bash ./deploy-tacker-demo
    create_servers
    sfc_gen_config
    echo "Creating VNFFGD"
    tacker vnffgd-create --vnffgd-file kolla-sample-vnffgd.yaml kolla-sample-vnffgd
    echo "Creating VNFFG"
    tacker vnffg-create --vnffgd-name kolla-sample-vnffgd kolla-sample-vnffg
    echo "Tacker sfc client floating ip address: $FLOATING_IP_CLIENT"
    echo "Tacker sfc server floating ip address: $FLOATING_IP_SERVER"
    cat << EOF

Done.

To create simple HTTP server in tacker_sfc_server instance run:

ssh cirros@$FLOATING_IP_SERVER 'while true; \\
    do echo -e "HTTP/1.0 200 OK\r\n\r\nW00t from Kolla HTTP server!" | sudo nc -l -p 80 ; done &'

EOF
}

deploy_sfc