#!/bin/bash

set -ex

#need to put mutiple cases here where decide this bundle to deploy by default use the odl bundle.
# Below parameters are the default and we can according the release

opnfvsdn=nosdn
opnfvtype=nonha
openstack=ocata
opnfvlab=default
opnfvrel=e
opnfvfeature=none
opnfvdistro=xenial
opnfvarch=amd64
opnfvmodel=openstack

jujuver=`juju --version`

read_config() {
    opnfvrel=`grep release: deploy.yaml | cut -d ":" -f2`
    openstack=`grep openstack: deploy.yaml | cut -d ":" -f2`
    opnfvtype=`grep type: deploy.yaml | cut -d ":" -f2`
    opnfvlab=`grep lab: deploy.yaml | cut -d ":" -f2`
    opnfvsdn=`grep sdn: deploy.yaml | cut -d ":" -f2`
}

usage() { echo "Usage: $0 [-s <nosdn|odl|opencontrail>]
                         [-t <nonha|ha|tip>]
                         [-o <juno|liberty>]
                         [-l <default|intelpod5>]
                         [-f <ipv6,dpdk,lxd,dvr>]
                         [-d <trusty|xenial>]
                         [-a <amd64>]
                         [-m <openstack|kubernetes>]
                         [-r <a|b>]" 1>&2 exit 1; }

while getopts ":s:t:o:l:h:r:f:d:a:m:" opt; do
    case "${opt}" in
        s)
            opnfvsdn=${OPTARG}
            ;;
        t)
            opnfvtype=${OPTARG}
            ;;
        o)
            openstack=${OPTARG}
            ;;
        l)
            opnfvlab=${OPTARG}
            ;;
        r)
            opnfvrel=${OPTARG}
            ;;
        f)
            opnfvfeature=${OPTARG}
            ;;
        d)
            opnfvdistro=${OPTARG}
            ;;
        a)
            opnfvarch=${OPTARG}
            ;;
        m)
            opnfvmodel=${OPTARG}
            ;;
        h)
            usage
            ;;
        *)
            ;;
    esac
done

#by default maas creates two VMs in case of three more VM needed.
createresource() {
    # TODO: make sure this function run with the same parameters used in 03-maasdeploy.sh
    PROFILE=${PROFILE:-ubuntu}
    MAAS_IP=$(grep " ip_address" deployconfig.yaml | cut -d ':' -f 2 | sed -e 's/ //')
    API_SERVER="http://$MAAS_IP/MAAS/api/2.0"
    API_KEY=`sudo maas-region apikey --username=ubuntu`
    maas login $PROFILE $API_SERVER $API_KEY

    for node in node3-control node4-control
    do
        node_id=$(maas $PROFILE machines read | \
                  jq -r ".[] | select(.hostname == \"$node\").system_id")
        if [[ -z "$node_id" ]]; then
            sudo virt-install --connect qemu:///system --name $node \
                --ram 8192 --cpu host --vcpus 4 \
                --disk size=120,format=qcow2,bus=virtio,cache=directsync,io=native,pool=default \
                --network bridge=virbr0,model=virtio \
                --network bridge=virbr0,model=virtio \
                --boot network,hd,menu=off \
                --noautoconsole --vnc --print-xml | tee _node.xml
            node_mac=$(grep "mac address" _node.xml | head -1 | cut -d "'" -f 2)
            sudo virsh -c qemu:///system define --file _node.xml
            rm -f _node.xml

            maas $PROFILE nodes new autodetect_nodegroup='yes' name=$node \
                tags='control' hostname=$name power_type='virsh' \
                mac_addresses=$node3controlmac \
                power_parameters_power_address="qemu+ssh://$USER@192.168.122.1/system" \
                architecture='amd64/generic' power_parameters_power_id='node3-control'
            node_id=$(maas $PROFILE machines read | \
                  jq -r ".[] | select(.hostname == \"$node\").system_id")
        fi
        if [[ -z "$node_id" ]]; then
            echo "Error: failed to create node $node ."
            exit 1
        fi
        maas $PROFILE tag update-nodes control add=$node_id || true
    done
}

#copy the files and create extra resources needed for HA deployment
# in case of default VM labs.
deploy() {
    if [[ "$jujuver" > "2" ]]; then
        if [ ! -f ./labconfig.yaml ] && [ -e ~/joid_config/labconfig.yaml ]; then
            cp ~/joid_config/labconfig.yaml ./labconfig.yaml

            if [ ! -f ./deployconfig.yaml ] && [ -e ~/joid_config/deployconfig.yaml ]; then
                cp ~/joid_config/deployconfig.yaml ./deployconfig.yaml
            else
                python genDeploymentConfig.py -l labconfig.yaml > deployconfig.yaml
            fi
        else
            if [ -e ./labconfig.yaml ]; then
                if [ ! -f ./deployconfig.yaml ] && [ -e ~/joid_config/deployconfig.yaml ]; then
                    cp ~/joid_config/deployconfig.yaml ./deployconfig.yaml
                else
                    python genDeploymentConfig.py -l labconfig.yaml > deployconfig.yaml
                fi
            else
                echo " MAAS not deployed please deploy MAAS first."
            fi
        fi
#create json file which is missing in case of new deployment after maas and git tree cloned freshly.

        python -c 'import sys, yaml, json; json.dump(yaml.load(sys.stdin), sys.stdout, indent=4)' < labconfig.yaml > labconfig.json
        python -c 'import sys, yaml, json; json.dump(yaml.load(sys.stdin), sys.stdout, indent=4)' < deployconfig.yaml > deployconfig.json

    else
        if [ ! -f ./environments.yaml ] && [ -e ~/.juju/environments.yaml ]; then
            cp ~/.juju/environments.yaml ./environments.yaml
        elif [ ! -f ./environments.yaml ] && [ -e ~/joid_config/environments.yaml ]; then
            cp ~/joid_config/environments.yaml ./environments.yaml
        fi
        #copy the script which needs to get deployed as part of ofnfv release
        echo "...... deploying now ......"
        echo "   " >> environments.yaml
        echo "        enable-os-refresh-update: false" >> environments.yaml
        echo "        enable-os-upgrade: false" >> environments.yaml
        echo "        admin-secret: admin" >> environments.yaml
        echo "        default-series: $opnfvdistro" >> environments.yaml
        cp environments.yaml ~/.juju/
        cp environments.yaml ~/joid_config/
    fi

    if [[ "$opnfvtype" = "ha" && "$opnfvlab" = "default" ]]; then
        createresource
    fi

    #bootstrap the node
    ./01-bootstrap.sh

    if [[ "$jujuver" > "2" ]]; then
        juju model-config default-series=$opnfvdistro enable-os-refresh-update=false enable-os-upgrade=false
    fi

    #case default deploy the opnfv platform:
    ./02-deploybundle.sh $opnfvtype $openstack $opnfvlab $opnfvsdn $opnfvfeature $opnfvdistro $opnfvmodel
}

#check whether charms are still executing the code even juju-deployer says installed.
check_status() {
    waitstatus=$1
    retval=0
    timeoutiter=0

    echo -n "executing the reltionship within charms ."
    while [ $retval -eq 0 ]; do
        if juju status | grep -q $waitstatus; then
           echo -n '.'
           if [ $timeoutiter -ge 120 ]; then
               echo 'timed out'
               retval=1
           else
               sleep 30
           fi
           timeoutiter=$((timeoutiter+1))
       else
           echo 'done'
           retval=1
       fi
    done

    if [[ "$opnfvmodel" = "openstack" ]]; then
        juju expose ceph-radosgw || true
        #juju ssh ceph/0 \ 'sudo radosgw-admin user create --uid="ubuntu" --display-name="Ubuntu Ceph"'
    fi

    echo "...... deployment finishing ......."
 }

echo "...... deployment started ......"
deploy

check_status executing

echo "...... deployment finished  ......."


echo "...... configuring public access  ......."

# translate bundle.yaml to json
python -c 'import sys, yaml, json; json.dump(yaml.load(sys.stdin), sys.stdout, indent=4)' < bundles.yaml > bundles.json
# get services list having a public interface
srv_list=$(cat bundles.json | jq -r ".services | to_entries[] | {\"key\": .key, \"value\": .value[\"bindings\"]} | select (.value!=null) | select(.value[] | contains(\"public-api\"))".key)
# get cnt list from service list
cnt_list=$(for cnt in $srv_list; do juju status $cnt --format=json | jq -r ".machines[].containers | to_entries[]".key; done)
# get public network gateway (supposing it is the first ip of the network)
public_api_gw=$(cat labconfig.json | jq --raw-output ".opnfv.spaces[] | select(.type==\"public\")".gateway)
admin_gw=$(cat labconfig.json | jq --raw-output ".opnfv.spaces[] | select(.type==\"admin\")".gateway)

if ([ $admin_gw ] && [ $admin_gw != "null" ]); then
    # set default gateway to public api gateway
    for cnt in $cnt_list; do
        echo "changing default gw on $cnt"
        if ([ $public_api_gw ] && [ $public_api_gw != "null" ]); then
            juju ssh $cnt "sudo ip r d default && sudo ip r a default via $public_api_gw";
            juju ssh $cnt "gw_dev=\$(ip  r l | grep 'via $public_api_gw' | cut -d \  -f5) &&\
                   sudo cp /etc/network/interfaces /etc/network/interfaces.bak &&\
                   echo 'removing old default gateway' &&\
                   sudo perl -i -pe 's/^\ *gateway $admin_gw\n$//' /etc/network/interfaces &&\
                   sudo perl -i -pe \"s/iface \$gw_dev inet static/iface \$gw_dev inet static\\n  gateway $public_api_gw/\" /etc/network/interfaces \
                   ";
        fi
    done
fi

echo "...... configure  ......."

if ([ $opnfvmodel == "openstack" ]); then
    ./openstack.sh "$opnfvsdn" "$opnfvlab" "$opnfvdistro" "$openstack" || true

    # creating heat domain after puching the public API into /etc/hosts
    if [[ "$jujuver" > "2" ]]; then
        status=`juju run-action heat/0 domain-setup`
        echo $status
    else
        status=`juju action do heat/0 domain-setup`
        echo $status
    fi

    sudo ../juju/get-cloud-images || true
    ../juju/joid-configure-openstack || true

    if grep -q 'openbaton' bundles.yaml; then
        juju add-relation openbaton keystone
    fi

elif ([ $opnfvmodel == "kubernetes" ]); then
    ./k8.sh
fi

# expose the juju gui-url to login into juju gui

echo " ...... JUJU GUI can be access using the below URL ...... "
juju gui --show-credentials --no-browser

echo "...... finished  ......."