full_install_osm.sh

        osm_services="nbi lcm ro pol mon ng-ui keystone pla"
    else
        osm_services="nbi lcm ro pol mon light-ui keystone pla"
    fi
    list_of_services=""
    for module in $osm_services; do
        module_upper="${module^^}"
        if [ "$module_upper" == "LIGHT-UI" ]; then
            module_upper="LW-UI"
        fi
        if ! echo $TO_REBUILD | grep -q $module_upper ; then
            list_of_services="$list_of_services $module"
        fi
    done
    list_of_services_to_rebuild=$(echo ${TO_REBUILD,,} |sed "s/lw-ui/light-ui/g")
    if [ ! "$OSM_DOCKER_TAG" == "9" ]; then
        parse_yaml $OSM_DOCKER_TAG $list_of_services
    fi
    if [ -n "$MODULE_DOCKER_TAG" ]; then
        parse_yaml $MODULE_DOCKER_TAG $list_of_services_to_rebuild
    fi
}

function namespace_vol() {
    osm_services="nbi lcm ro pol mon kafka mysql prometheus"
    for osm in $osm_services; do
        $WORKDIR_SUDO  sed -i "s#path: /var/lib/osm#path: $OSM_NAMESPACE_VOL#g" $OSM_K8S_WORK_DIR/$osm.yaml
    done
}

function init_docker_swarm() {
    if [ "${DEFAULT_MTU}" != "1500" ]; then
      DOCKER_NETS=`sg docker -c "docker network list" | awk '{print $2}' | egrep -v "^ID$" | paste -d " " -s`
      DOCKER_GW_NET=`sg docker -c "docker network inspect ${DOCKER_NETS}" | grep Subnet | awk -F\" '{print $4}' | egrep "^172" | sort -u | tail -1 |  awk -F\. '{if ($2 != 255) print $1"."$2+1"."$3"."$4; else print "-1";}'`
      sg docker -c "docker network create --subnet ${DOCKER_GW_NET} --opt com.docker.network.bridge.name=docker_gwbridge --opt com.docker.network.bridge.enable_icc=false --opt com.docker.network.bridge.enable_ip_masquerade=true --opt com.docker.network.driver.mtu=${DEFAULT_MTU} docker_gwbridge"
    fi
    sg docker -c "docker swarm init --advertise-addr ${DEFAULT_IP}"
    return 0
}

function create_docker_network() {
    echo "creating network"
    sg docker -c "docker network create --driver=overlay --attachable --opt com.docker.network.driver.mtu=${DEFAULT_MTU} net${OSM_STACK_NAME}"
    echo "creating network DONE"
}

function deploy_lightweight() {

    echo "Deploying lightweight build"
    OSM_NBI_PORT=9999
    OSM_RO_PORT=9090
    OSM_KEYSTONE_PORT=5000
    OSM_UI_PORT=80
    OSM_MON_PORT=8662
    OSM_PROM_PORT=9090
    OSM_PROM_CADVISOR_PORT=8080
    OSM_PROM_HOSTPORT=9091
    OSM_GRAFANA_PORT=3000
    [ -n "$INSTALL_ELK" ] && OSM_ELK_PORT=5601
    #[ -n "$INSTALL_PERFMON" ] && OSM_PM_PORT=3000

    if [ -n "$NO_HOST_PORTS" ]; then
        OSM_PORTS+=(OSM_NBI_PORTS=$OSM_NBI_PORT)
        OSM_PORTS+=(OSM_RO_PORTS=$OSM_RO_PORT)
        OSM_PORTS+=(OSM_KEYSTONE_PORTS=$OSM_KEYSTONE_PORT)
        OSM_PORTS+=(OSM_UI_PORTS=$OSM_UI_PORT)
        OSM_PORTS+=(OSM_MON_PORTS=$OSM_MON_PORT)
        OSM_PORTS+=(OSM_PROM_PORTS=$OSM_PROM_PORT)
        OSM_PORTS+=(OSM_PROM_CADVISOR_PORTS=$OSM_PROM_CADVISOR_PORT)
        OSM_PORTS+=(OSM_GRAFANA_PORTS=$OSM_GRAFANA_PORT)
        #[ -n "$INSTALL_PERFMON" ] && OSM_PORTS+=(OSM_PM_PORTS=$OSM_PM_PORT)
        [ -n "$INSTALL_ELK" ] && OSM_PORTS+=(OSM_ELK_PORTS=$OSM_ELK_PORT)
    else
        OSM_PORTS+=(OSM_NBI_PORTS=$OSM_NBI_PORT:$OSM_NBI_PORT)
        OSM_PORTS+=(OSM_RO_PORTS=$OSM_RO_PORT:$OSM_RO_PORT)
        OSM_PORTS+=(OSM_KEYSTONE_PORTS=$OSM_KEYSTONE_PORT:$OSM_KEYSTONE_PORT)
        OSM_PORTS+=(OSM_UI_PORTS=$OSM_UI_PORT:$OSM_UI_PORT)
        OSM_PORTS+=(OSM_MON_PORTS=$OSM_MON_PORT:$OSM_MON_PORT)
        OSM_PORTS+=(OSM_PROM_PORTS=$OSM_PROM_HOSTPORT:$OSM_PROM_PORT)
        OSM_PORTS+=(OSM_PROM_CADVISOR_PORTS=$OSM_PROM_CADVISOR_PORT:$OSM_PROM_CADVISOR_PORT)
        OSM_PORTS+=(OSM_GRAFANA_PORTS=$OSM_GRAFANA_PORT:$OSM_GRAFANA_PORT)
        #[ -n "$INSTALL_PERFMON" ] && OSM_PORTS+=(OSM_PM_PORTS=$OSM_PM_PORT:$OSM_PM_PORT)
        [ -n "$INSTALL_ELK" ] && OSM_PORTS+=(OSM_ELK_PORTS=$OSM_ELK_PORT:$OSM_ELK_PORT)
    fi
    echo "export ${OSM_PORTS[@]}" | $WORKDIR_SUDO tee $OSM_DOCKER_WORK_DIR/osm_ports.sh
    echo "export OSM_NETWORK=net${OSM_STACK_NAME}" | $WORKDIR_SUDO tee --append $OSM_DOCKER_WORK_DIR/osm_ports.sh
    echo "export TAG=${OSM_DOCKER_TAG}" | $WORKDIR_SUDO tee --append $OSM_DOCKER_WORK_DIR/osm_ports.sh
    echo "export DOCKER_USER=${DOCKER_USER}" | $WORKDIR_SUDO tee --append $OSM_DOCKER_WORK_DIR/osm_ports.sh
    echo "export KAFKA_TAG=${KAFKA_TAG}" | $WORKDIR_SUDO tee --append $OSM_DOCKER_WORK_DIR/osm_ports.sh
    echo "export PROMETHEUS_TAG=${PROMETHEUS_TAG}" | $WORKDIR_SUDO tee --append $OSM_DOCKER_WORK_DIR/osm_ports.sh
    echo "export KEYSTONEDB_TAG=${KEYSTONEDB_TAG}" | $WORKDIR_SUDO tee --append $OSM_DOCKER_WORK_DIR/osm_ports.sh
    echo "export PROMETHEUS_CADVISOR_TAG=${PROMETHEUS_CADVISOR_TAG}" | $WORKDIR_SUDO tee --append $OSM_DOCKER_WORK_DIR/osm_ports.sh
    echo "export GRAFANA_TAG=${GRAFANA_TAG}" | $WORKDIR_SUDO tee --append $OSM_DOCKER_WORK_DIR/osm_ports.sh

    pushd $OSM_DOCKER_WORK_DIR
    if [ -n "$INSTALL_PLA" ]; then
        track deploy_osm_pla
        sg docker -c ". ./osm_ports.sh; docker stack deploy -c $OSM_DOCKER_WORK_DIR/docker-compose.yaml -c $OSM_DOCKER_WORK_DIR/docker-compose-ui.yaml -c $OSM_DOCKER_WORK_DIR/osm_pla/docker-compose.yaml $OSM_STACK_NAME"
    else
        sg docker -c ". ./osm_ports.sh; docker stack deploy -c $OSM_DOCKER_WORK_DIR/docker-compose.yaml -c $OSM_DOCKER_WORK_DIR/docker-compose-ui.yaml $OSM_STACK_NAME"
    fi
    popd

    echo "Finished deployment of lightweight build"
}

function deploy_elk() {
    echo "Pulling docker images for ELK"
    sg docker -c "docker pull docker.elastic.co/elasticsearch/elasticsearch-oss:${ELASTIC_VERSION}" || FATAL "cannot get elasticsearch docker image"
    sg docker -c "docker pull docker.elastic.co/beats/metricbeat:${ELASTIC_VERSION}" || FATAL "cannot get metricbeat docker image"
    sg docker -c "docker pull docker.elastic.co/beats/filebeat:${ELASTIC_VERSION}" || FATAL "cannot get filebeat docker image"
    sg docker -c "docker pull docker.elastic.co/kibana/kibana-oss:${ELASTIC_VERSION}" || FATAL "cannot get kibana docker image"
    sg docker -c "docker pull bobrik/curator:${ELASTIC_CURATOR_VERSION}" || FATAL "cannot get curator docker image"
    echo "Finished pulling elk docker images"
    $WORKDIR_SUDO mkdir -p "$OSM_DOCKER_WORK_DIR/osm_elk"
    $WORKDIR_SUDO cp -b ${OSM_DEVOPS}/installers/docker/osm_elk/* $OSM_DOCKER_WORK_DIR/osm_elk
    remove_stack osm_elk
    echo "Deploying ELK stack"
    sg docker -c "OSM_NETWORK=net${OSM_STACK_NAME} docker stack deploy -c $OSM_DOCKER_WORK_DIR/osm_elk/docker-compose.yml osm_elk"
    echo "Waiting for ELK stack to be up and running"
    time=0
    step=5
    timelength=40
    elk_is_up=1
    while [ $time -le $timelength ]; do
        if [[ $(curl -f -XGET http://127.0.0.1:5601/status -I 2>/dev/null | grep "HTTP/1.1 200 OK" | wc -l ) -eq 1 ]]; then
            elk_is_up=0
            break
        fi
        sleep $step
        time=$((time+step))
    done
    if [ $elk_is_up -eq 0 ]; then
        echo "ELK is up and running. Trying to create index pattern..."
        #Create index pattern
        curl -f -XPOST -H "Content-Type: application/json" -H "kbn-xsrf: anything" \
          "http://127.0.0.1:5601/api/saved_objects/index-pattern/filebeat-*" \
          -d"{\"attributes\":{\"title\":\"filebeat-*\",\"timeFieldName\":\"@timestamp\"}}" 2>/dev/null
        #Make it the default index
        curl -f -XPOST -H "Content-Type: application/json" -H "kbn-xsrf: anything" \
          "http://127.0.0.1:5601/api/kibana/settings/defaultIndex" \
          -d"{\"value\":\"filebeat-*\"}" 2>/dev/null
    else
        echo "Cannot connect to Kibana to create index pattern."
        echo "Once Kibana is running, you can use the following instructions to create index pattern:"
        echo 'curl -f -XPOST -H "Content-Type: application/json" -H "kbn-xsrf: anything" \
          "http://127.0.0.1:5601/api/saved_objects/index-pattern/filebeat-*" \
          -d"{\"attributes\":{\"title\":\"filebeat-*\",\"timeFieldName\":\"@timestamp\"}}"'
        echo 'curl -XPOST -H "Content-Type: application/json" -H "kbn-xsrf: anything" \
          "http://127.0.0.1:5601/api/kibana/settings/defaultIndex" \
          -d"{\"value\":\"filebeat-*\"}"'
    fi
    echo "Finished deployment of ELK stack"
    return 0
}

function add_local_k8scluster() {
    /usr/bin/osm --all-projects vim-create \
      --name _system-osm-vim \
      --account_type dummy \
      --auth_url http://dummy \
      --user osm --password osm --tenant osm \
      --description "dummy" \
      --config '{management_network_name: mgmt}'
    /usr/bin/osm --all-projects k8scluster-add \
      --creds ${HOME}/.kube/config \
      --vim _system-osm-vim \
      --k8s-nets '{"net1": null}' \
      --version '1.15' \
      --description "OSM Internal Cluster" \
      _system-osm-k8s
}

function install_lightweight() {
    track checkingroot
    [ "$USER" == "root" ] && FATAL "You are running the installer as root. The installer is prepared to be executed as a normal user with sudo privileges."
    track noroot

    if [ -n "$KUBERNETES" ]; then
        [ -z "$ASSUME_YES" ] && ! ask_user "The installation will do the following
        1. Install and configure LXD
        2. Install juju
        3. Install docker CE
        4. Disable swap space
        5. Install and initialize Kubernetes
        as pre-requirements.
        Do you want to proceed (Y/n)? " y && echo "Cancelled!" && exit 1

    else
        [ -z "$ASSUME_YES" ] && ! ask_user "The installation will configure LXD, install juju, install docker CE and init a docker swarm, as pre-requirements. Do you want to proceed (Y/n)? " y && echo "Cancelled!" && exit 1
    fi
    track proceed

    echo "Installing lightweight build of OSM"
    LWTEMPDIR="$(mktemp -d -q --tmpdir "installosmlight.XXXXXX")"
    trap 'rm -rf "${LWTEMPDIR}"' EXIT
    DEFAULT_IF=$(ip route list|awk '$1=="default" {print $5; exit}')
    [ -z "$DEFAULT_IF" ] && DEFAULT_IF=$(route -n |awk '$1~/^0.0.0.0/ {print $8; exit}')
    [ -z "$DEFAULT_IF" ] && FATAL "Not possible to determine the interface with the default route 0.0.0.0"
    DEFAULT_IP=`ip -o -4 a |grep ${DEFAULT_IF} |awk '{split($4,a,"/"); print a[1]}'`
    [ -z "$DEFAULT_IP" ] && FATAL "Not possible to determine the IP address of the interface with the default route"
    DEFAULT_MTU=$(ip addr show ${DEFAULT_IF} | perl -ne 'if (/mtu\s(\d+)/) {print $1;}')

    # if no host is passed in, we need to install lxd/juju, unless explicilty asked not to
    if [ -z "$OSM_VCA_HOST" ] && [ -z "$INSTALL_NOLXD" ] && [ -z "$LXD_CLOUD_FILE" ]; then
        need_packages_lw="snapd"
        echo -e "Checking required packages: $need_packages_lw"
        dpkg -l $need_packages_lw &>/dev/null \
          || ! echo -e "One or several required packages are not installed. Updating apt cache requires root privileges." \
          || sudo apt-get update \
          || FATAL "failed to run apt-get update"
        dpkg -l $need_packages_lw &>/dev/null \
          || ! echo -e "Installing $need_packages_lw requires root privileges." \
          || sudo apt-get install -y $need_packages_lw \
          || FATAL "failed to install $need_packages_lw"
        install_lxd
    fi

    track prereqok

    [ -n "$INSTALL_NODOCKER" ] || (install_docker_ce && track docker_ce)

    echo "Creating folders for installation"
    [ ! -d "$OSM_DOCKER_WORK_DIR" ] && $WORKDIR_SUDO mkdir -p $OSM_DOCKER_WORK_DIR
    [ ! -d "$OSM_DOCKER_WORK_DIR/osm_pla" -a -n "$INSTALL_PLA" ] && $WORKDIR_SUDO mkdir -p $OSM_DOCKER_WORK_DIR/osm_pla
    [ -n "$KUBERNETES" ] && $WORKDIR_SUDO cp -b $OSM_DEVOPS/installers/docker/cluster-config.yaml $OSM_DOCKER_WORK_DIR/cluster-config.yaml

    #Installs Kubernetes
    if [ -n "$KUBERNETES" ]; then
        install_kube
        track install_k8s
        init_kubeadm $OSM_DOCKER_WORK_DIR/cluster-config.yaml
        kube_config_dir
        track init_k8s
        if [ -n "$INSTALL_K8S_MONITOR" ]; then
            # uninstall OSM MONITORING
            uninstall_k8s_monitoring
            track uninstall_k8s_monitoring
        fi
        #remove old namespace
        remove_k8s_namespace $OSM_STACK_NAME
        deploy_cni_provider
        taint_master_node
        install_k8s_storageclass
        track k8s_storageclass
        install_k8s_metallb
        track k8s_metallb
    else
        #install_docker_compose
        [ -n "$INSTALL_NODOCKER" ] || init_docker_swarm
        track docker_swarm
    fi

    [ -z "$INSTALL_NOJUJU" ] && install_juju
    track juju_install

    if [ -z "$OSM_VCA_HOST" ]; then
        if [ -z "$CONTROLLER_NAME" ]; then

            if [ -n "$KUBERNETES" ]; then
                juju_createcontroller_k8s
                juju_addlxd_cloud
            else
                if [ -n "$LXD_CLOUD_FILE" ]; then
                    [ -z "$LXD_CRED_FILE" ] && FATAL "The installer needs the LXD credential yaml if the LXD is external"
                    OSM_VCA_CLOUDNAME="lxd-cloud"
                    juju add-cloud $OSM_VCA_CLOUDNAME $LXD_CLOUD_FILE --force || juju update-cloud $OSM_VCA_CLOUDNAME --client -f $LXD_CLOUD_FILE
                    juju add-credential $OSM_VCA_CLOUDNAME -f $LXD_CRED_FILE || juju update-credential $OSM_VCA_CLOUDNAME lxd-cloud-creds -f $LXD_CRED_FILE
                fi
                juju_createcontroller
                juju_createproxy
            fi
        else
            OSM_VCA_CLOUDNAME="lxd-cloud"
            if [ -n "$LXD_CLOUD_FILE" ]; then
                [ -z "$LXD_CRED_FILE" ] && FATAL "The installer needs the LXD credential yaml if the LXD is external"
                juju add-cloud -c $CONTROLLER_NAME $OSM_VCA_CLOUDNAME $LXD_CLOUD_FILE --force || juju update-cloud lxd-cloud -c $CONTROLLER_NAME -f $LXD_CLOUD_FILE
                juju add-credential -c $CONTROLLER_NAME $OSM_VCA_CLOUDNAME -f $LXD_CRED_FILE || juju update-credential lxd-cloud -c $CONTROLLER_NAME -f $LXD_CRED_FILE
            else
                mkdir -p ~/.osm
                cat << EOF > ~/.osm/lxd-cloud.yaml
clouds:
  lxd-cloud:
    type: lxd
    auth-types: [certificate]
    endpoint: "https://$DEFAULT_IP:8443"
    config:
      ssl-hostname-verification: false
EOF
                openssl req -nodes -new -x509 -keyout ~/.osm/client.key -out ~/.osm/client.crt -days 365 -subj "/C=FR/ST=Nice/L=Nice/O=ETSI/OU=OSM/CN=osm.etsi.org"
                local server_cert=`cat /var/snap/lxd/common/lxd/server.crt | sed 's/^/        /'`
                local client_cert=`cat ~/.osm/client.crt | sed 's/^/        /'`
                local client_key=`cat ~/.osm/client.key | sed 's/^/        /'`
                cat << EOF > ~/.osm/lxd-credentials.yaml
credentials:
  lxd-cloud:
    lxd-cloud:
      auth-type: certificate
      server-cert: |
$server_cert
      client-cert: |
$client_cert
      client-key: |
$client_key
EOF
                lxc config trust add local: ~/.osm/client.crt
                juju add-cloud -c $CONTROLLER_NAME $OSM_VCA_CLOUDNAME ~/.osm/lxd-cloud.yaml --force || juju update-cloud lxd-cloud -c $CONTROLLER_NAME -f ~/.osm/lxd-cloud.yaml
                juju add-credential -c $CONTROLLER_NAME $OSM_VCA_CLOUDNAME -f ~/.osm/lxd-credentials.yaml || juju update-credential lxd-cloud -c $CONTROLLER_NAME -f ~/.osm/lxd-credentials.yaml
            fi
        fi
        [ -z "$CONTROLLER_NAME" ] && OSM_VCA_HOST=`sg lxd -c "juju show-controller $OSM_STACK_NAME"|grep api-endpoints|awk -F\' '{print $2}'|awk -F\: '{print $1}'`
        [ -n "$CONTROLLER_NAME" ] && OSM_VCA_HOST=`juju show-controller $CONTROLLER_NAME |grep api-endpoints|awk -F\' '{print $2}'|awk -F\: '{print $1}'`
        [ -z "$OSM_VCA_HOST" ] && FATAL "Cannot obtain juju controller IP address"
    fi
    track juju_controller

    if [ -z "$OSM_VCA_SECRET" ]; then
        [ -z "$CONTROLLER_NAME" ] && OSM_VCA_SECRET=$(parse_juju_password $OSM_STACK_NAME)
        [ -n "$CONTROLLER_NAME" ] && OSM_VCA_SECRET=$(parse_juju_password $CONTROLLER_NAME)
        [ -z "$OSM_VCA_SECRET" ] && FATAL "Cannot obtain juju secret"
    fi
    if [ -z "$OSM_VCA_PUBKEY" ]; then
        OSM_VCA_PUBKEY=$(cat $HOME/.local/share/juju/ssh/juju_id_rsa.pub)
        [ -z "$OSM_VCA_PUBKEY" ] && FATAL "Cannot obtain juju public key"
    fi
    if [ -z "$OSM_VCA_CACERT" ]; then
        [ -z "$CONTROLLER_NAME" ] && OSM_VCA_CACERT=$(juju controllers --format json | jq -r --arg controller $OSM_STACK_NAME '.controllers[$controller]["ca-cert"]' | base64 | tr -d \\n)
        [ -n "$CONTROLLER_NAME" ] && OSM_VCA_CACERT=$(juju controllers --format json | jq -r --arg controller $CONTROLLER_NAME '.controllers[$controller]["ca-cert"]' | base64 | tr -d \\n)
       [ -z "$OSM_VCA_CACERT" ] && FATAL "Cannot obtain juju CA certificate"
    fi

    # Set OSM_VCA_APIPROXY only when it is not a k8s installation
    if [ -z "$KUBERNETES" ]; then
        if [ -z "$OSM_VCA_APIPROXY" ]; then
            OSM_VCA_APIPROXY=$DEFAULT_IP
            [ -z "$OSM_VCA_APIPROXY" ] && FATAL "Cannot obtain juju api proxy"
        fi
        juju_createproxy
    fi
    track juju

    if [ -z "$OSM_DATABASE_COMMONKEY" ]; then
        OSM_DATABASE_COMMONKEY=$(generate_secret)
        [ -z "OSM_DATABASE_COMMONKEY" ] && FATAL "Cannot generate common db secret"
    fi

    # Deploy OSM services
    [ -z "$DOCKER_NOBUILD" ] && generate_docker_images
    track docker_build

    if [ -n "$KUBERNETES" ]; then
        generate_k8s_manifest_files
    else
        generate_docker_compose_files
    fi
    track manifest_files
    generate_prometheus_grafana_files
    generate_docker_env_files
    track env_files

    if [ -n "$KUBERNETES" ]; then
        deploy_charmed_services
        kube_secrets
        update_manifest_files
        namespace_vol
        deploy_osm_services
        if [ -n "$INSTALL_PLA"]; then
            # optional PLA install
            deploy_osm_pla_service
            track deploy_osm_pla
        fi
        track deploy_osm_services_k8s
        install_helm
        track install_helm
        if [ -n "$INSTALL_K8S_MONITOR" ]; then
            # install OSM MONITORING
            install_k8s_monitoring
            track install_k8s_monitoring
        fi
    else
        # remove old stack
        remove_stack $OSM_STACK_NAME
        create_docker_network
        deploy_lightweight
        generate_osmclient_script
        track docker_deploy
        install_prometheus_nodeexporter
        track nodeexporter
        [ -n "$INSTALL_VIMEMU" ] && install_vimemu && track vimemu
        [ -n "$INSTALL_ELK" ] && deploy_elk && track elk
    fi

    [ -z "$INSTALL_NOHOSTCLIENT" ] && install_osmclient
    track osmclient

    echo -e "Checking OSM health state..."
    if [ -n "$KUBERNETES" ]; then
        $OSM_DEVOPS/installers/osm_health.sh -s ${OSM_STACK_NAME} -k || \
        echo -e "OSM is not healthy, but will probably converge to a healthy state soon." && \
        echo -e "Check OSM status with: kubectl -n ${OSM_STACK_NAME} get all" && \
        track osm_unhealthy
    else
        $OSM_DEVOPS/installers/osm_health.sh -s ${OSM_STACK_NAME} || \
        echo -e "OSM is not healthy, but will probably converge to a healthy state soon." && \
        echo -e "Check OSM status with: docker service ls; docker stack ps ${OSM_STACK_NAME}" && \
        track osm_unhealthy
    fi
    track after_healthcheck

    [ -n "$KUBERNETES" ] && add_local_k8scluster
    track add_local_k8scluster

    wget -q -O- https://osm-download.etsi.org/ftp/osm-9.0-nine/README2.txt &> /dev/null
    track end
    return 0
}

function install_to_openstack() {

    if [ -z "$2" ]; then
        FATAL "OpenStack installer requires a valid external network name"
    fi

    # Install Pip for Python3
    $WORKDIR_SUDO apt install -y python3-pip
    $WORKDIR_SUDO -H LC_ALL=C python3 -m pip install -U pip

    # Create a venv to avoid conflicts with the host installation
    python3 -m venv $OPENSTACK_PYTHON_VENV

    source $OPENSTACK_PYTHON_VENV/bin/activate

    # Install Ansible, OpenStack client and SDK
    python -m pip install -U wheel
    python -m pip install -U python-openstackclient "openstacksdk>=0.12.0,<1" "ansible>=2.10,<2.11"

    # Install the Openstack cloud module (ansible>=2.10)
    ansible-galaxy collection install openstack.cloud

    export ANSIBLE_CONFIG="$OSM_DEVOPS/installers/openstack/ansible.cfg"

    OSM_INSTALLER_ARGS="${REPO_ARGS[@]}"

    ANSIBLE_VARS="external_network_name=$2 setup_volume=$3 server_name=$OPENSTACK_VM_NAME"

    if [ -n "$OPENSTACK_SSH_KEY_FILE" ]; then
        ANSIBLE_VARS+=" key_file=$OPENSTACK_SSH_KEY_FILE"
    fi

    if [ -n "$OPENSTACK_USERDATA_FILE" ]; then
        ANSIBLE_VARS+=" userdata_file=$OPENSTACK_USERDATA_FILE"
    fi

    # Execute the Ansible playbook based on openrc or clouds.yaml
    if [ -e "$1" ]; then
        . $1
        ansible-playbook -e installer_args="\"$OSM_INSTALLER_ARGS\"" -e "$ANSIBLE_VARS" \
        $OSM_DEVOPS/installers/openstack/site.yml
    else
        ansible-playbook -e installer_args="\"$OSM_INSTALLER_ARGS\"" -e "$ANSIBLE_VARS" \
        -e cloud_name=$1 $OSM_DEVOPS/installers/openstack/site.yml
    fi

    # Exit from venv
    deactivate

    return 0
}

function install_vimemu() {
    echo "\nInstalling vim-emu"
    EMUTEMPDIR="$(mktemp -d -q --tmpdir "installosmvimemu.XXXXXX")"
    trap 'rm -rf "${EMUTEMPDIR}"' EXIT
    # install prerequisites (OVS is a must for the emulator to work)
    sudo apt-get install openvswitch-switch
    # clone vim-emu repository (attention: branch is currently master only)
    echo "Cloning vim-emu repository ..."
    git clone https://osm.etsi.org/gerrit/osm/vim-emu.git $EMUTEMPDIR
    # build vim-emu docker
    echo "Building vim-emu Docker container..."

    sg docker -c "docker build -t vim-emu-img -f $EMUTEMPDIR/Dockerfile --no-cache $EMUTEMPDIR/" || FATAL "cannot build vim-emu-img docker image"
    # start vim-emu container as daemon
    echo "Starting vim-emu Docker container 'vim-emu' ..."
    if [ -n "$INSTALL_LIGHTWEIGHT" ]; then
        # in lightweight mode, the emulator needs to be attached to netOSM
        sg docker -c "docker run --name vim-emu -t -d --restart always --privileged --pid='host' --network=net${OSM_STACK_NAME} -v /var/run/docker.sock:/var/run/docker.sock vim-emu-img python examples/osm_default_daemon_topology_2_pop.py"
    else
        # classic build mode
        sg docker -c "docker run --name vim-emu -t -d --restart always --privileged --pid='host' -v /var/run/docker.sock:/var/run/docker.sock vim-emu-img python examples/osm_default_daemon_topology_2_pop.py"
    fi
    echo "Waiting for 'vim-emu' container to start ..."
    sleep 5
    export VIMEMU_HOSTNAME=$(sg docker -c "docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' vim-emu")
    echo "vim-emu running at ${VIMEMU_HOSTNAME} ..."
    # print vim-emu connection info
    echo -e "\nYou might be interested in adding the following vim-emu env variables to your .bashrc file:"
    echo "     export VIMEMU_HOSTNAME=${VIMEMU_HOSTNAME}"
    echo -e "To add the emulated VIM to OSM you should do:"
    echo "     osm vim-create --name emu-vim1 --user username --password password --auth_url http://${VIMEMU_HOSTNAME}:6001/v2.0 --tenant tenantName --account_type openstack"
}

function install_k8s_monitoring() {
    # install OSM monitoring
    $WORKDIR_SUDO chmod +x $OSM_DEVOPS/installers/k8s/*.sh
    $WORKDIR_SUDO $OSM_DEVOPS/installers/k8s/install_osm_k8s_monitoring.sh
}

function uninstall_k8s_monitoring() {
    # uninstall OSM monitoring
    $WORKDIR_SUDO $OSM_DEVOPS/installers/k8s/uninstall_osm_k8s_monitoring.sh
}

function dump_vars(){
    echo "DEVELOP=$DEVELOP"
    echo "INSTALL_FROM_SOURCE=$INSTALL_FROM_SOURCE"
    echo "UNINSTALL=$UNINSTALL"
    echo "UPDATE=$UPDATE"
    echo "RECONFIGURE=$RECONFIGURE"
    echo "TEST_INSTALLER=$TEST_INSTALLER"
    echo "INSTALL_VIMEMU=$INSTALL_VIMEMU"
    echo "INSTALL_PLA=$INSTALL_PLA"
    echo "INSTALL_LXD=$INSTALL_LXD"
    echo "INSTALL_LIGHTWEIGHT=$INSTALL_LIGHTWEIGHT"
    echo "INSTALL_ONLY=$INSTALL_ONLY"
    echo "INSTALL_ELK=$INSTALL_ELK"
    #echo "INSTALL_PERFMON=$INSTALL_PERFMON"
    echo "INSTALL_TO_OPENSTACK=$INSTALL_TO_OPENSTACK"
    echo "OPENSTACK_PUBLIC_NET_NAME=$OPENSTACK_PUBLIC_NET_NAME"
    echo "OPENSTACK_OPENRC_FILE_OR_CLOUD=$OPENSTACK_OPENRC_FILE_OR_CLOUD"
    echo "OPENSTACK_ATTACH_VOLUME=$OPENSTACK_ATTACH_VOLUME"
    echo "OPENSTACK_SSH_KEY_FILE"="$OPENSTACK_SSH_KEY_FILE"
    echo "OPENSTACK_USERDATA_FILE"="$OPENSTACK_USERDATA_FILE"
    echo "OPENSTACK_VM_NAME"="$OPENSTACK_VM_NAME"
    echo "INSTALL_K8S_MONITOR=$INSTALL_K8S_MONITOR"
    echo "TO_REBUILD=$TO_REBUILD"
    echo "INSTALL_NOLXD=$INSTALL_NOLXD"
    echo "INSTALL_NODOCKER=$INSTALL_NODOCKER"
    echo "INSTALL_NOJUJU=$INSTALL_NOJUJU"
    echo "RELEASE=$RELEASE"
    echo "REPOSITORY=$REPOSITORY"
    echo "REPOSITORY_BASE=$REPOSITORY_BASE"
    echo "REPOSITORY_KEY=$REPOSITORY_KEY"
    echo "OSM_DEVOPS=$OSM_DEVOPS"
    echo "OSM_VCA_HOST=$OSM_VCA_HOST"
    echo "OSM_VCA_SECRET=$OSM_VCA_SECRET"
    echo "OSM_VCA_PUBKEY=$OSM_VCA_PUBKEY"
    echo "NO_HOST_PORTS=$NO_HOST_PORTS"
    echo "DOCKER_NOBUILD=$DOCKER_NOBUILD"
    echo "WORKDIR_SUDO=$WORKDIR_SUDO"
    echo "OSM_WORK_DIR=$OSM_WORK_DIR"
    echo "OSM_DOCKER_TAG=$OSM_DOCKER_TAG"
    echo "DOCKER_USER=$DOCKER_USER"
    echo "OSM_STACK_NAME=$OSM_STACK_NAME"
    echo "PULL_IMAGES=$PULL_IMAGES"
    echo "KUBERNETES=$KUBERNETES"
    echo "NGUI=$NGUI"
    echo "DOCKER_REGISTRY_URL=$DOCKER_REGISTRY_URL"
    echo "DOCKER_PROXY_URL=$DOCKER_PROXY_URL"
    echo "SHOWOPTS=$SHOWOPTS"
    echo "Install from specific refspec (-b): $COMMIT_ID"
}

function track(){
    ctime=`date +%s`
    duration=$((ctime - SESSION_ID))
    url="http://www.woopra.com/track/ce?project=osm.etsi.org&cookie=${SESSION_ID}"
    #url="${url}&ce_campaign_name=${CAMPAIGN_NAME}"
    event_name="bin"
    [ -z "$INSTALL_LIGHTWEIGHT" ] && [ -n "$INSTALL_FROM_SOURCE" ] && event_name="binsrc"
    [ -z "$INSTALL_LIGHTWEIGHT" ] && [ -n "$INSTALL_FROM_LXDIMAGES" ] && event_name="lxd"
    [ -n "$INSTALL_LIGHTWEIGHT" ] && event_name="lw"
    event_name="${event_name}_$1"
    url="${url}&event=${event_name}&ce_duration=${duration}"
    wget -q -O /dev/null $url
}

function parse_docker_registry_url() {
    DOCKER_REGISTRY_USER=$(echo "$DOCKER_REGISTRY_URL" | awk '{split($1,a,"@"); split(a[1],b,":"); print b[1]}')
    DOCKER_REGISTRY_PASSWORD=$(echo "$DOCKER_REGISTRY_URL" | awk '{split($1,a,"@"); split(a[1],b,":"); print b[2]}')
    DOCKER_REGISTRY_URL=$(echo "$DOCKER_REGISTRY_URL" | awk '{split($1,a,"@"); print a[2]}')
}

JUJU_AGENT_VERSION=2.8.6
UNINSTALL=""
DEVELOP=""
UPDATE=""
RECONFIGURE=""
TEST_INSTALLER=""
INSTALL_LXD=""
SHOWOPTS=""
COMMIT_ID=""
ASSUME_YES=""
INSTALL_FROM_SOURCE=""
RELEASE="ReleaseNINE"
REPOSITORY="stable"
INSTALL_VIMEMU=""
INSTALL_PLA=""
LXD_REPOSITORY_BASE="https://osm-download.etsi.org/repository/osm/lxd"
LXD_REPOSITORY_PATH=""
INSTALL_LIGHTWEIGHT="y"
INSTALL_TO_OPENSTACK=""
OPENSTACK_OPENRC_FILE_OR_CLOUD=""
OPENSTACK_PUBLIC_NET_NAME=""
OPENSTACK_ATTACH_VOLUME="false"
OPENSTACK_SSH_KEY_FILE=""
OPENSTACK_USERDATA_FILE=""
OPENSTACK_VM_NAME="server-osm"
OPENSTACK_PYTHON_VENV="$HOME/.virtual-envs/osm"
INSTALL_ONLY=""
INSTALL_ELK=""
TO_REBUILD=""
INSTALL_NOLXD=""
INSTALL_NODOCKER=""
INSTALL_NOJUJU=""
KUBERNETES="y"
NGUI="y"
INSTALL_K8S_MONITOR=""
INSTALL_NOHOSTCLIENT=""
SESSION_ID=`date +%s`
OSM_DEVOPS=
OSM_VCA_HOST=
OSM_VCA_SECRET=
OSM_VCA_PUBKEY=
OSM_VCA_CLOUDNAME="localhost"
OSM_VCA_K8S_CLOUDNAME="k8scloud"
OSM_STACK_NAME=osm
NO_HOST_PORTS=""
DOCKER_NOBUILD=""
REPOSITORY_KEY="OSM%20ETSI%20Release%20Key.gpg"
REPOSITORY_BASE="https://osm-download.etsi.org/repository/osm/debian"
WORKDIR_SUDO=sudo
OSM_WORK_DIR="/etc/osm"
OSM_DOCKER_WORK_DIR="/etc/osm/docker"
OSM_K8S_WORK_DIR="${OSM_DOCKER_WORK_DIR}/osm_pods"
OSM_HOST_VOL="/var/lib/osm"
OSM_NAMESPACE_VOL="${OSM_HOST_VOL}/${OSM_STACK_NAME}"
OSM_DOCKER_TAG=latest
DOCKER_USER=opensourcemano
PULL_IMAGES="y"
KAFKA_TAG=2.11-1.0.2
PROMETHEUS_TAG=v2.4.3
GRAFANA_TAG=latest
PROMETHEUS_NODE_EXPORTER_TAG=0.18.1
PROMETHEUS_CADVISOR_TAG=latest
KEYSTONEDB_TAG=10
OSM_DATABASE_COMMONKEY=
ELASTIC_VERSION=6.4.2
ELASTIC_CURATOR_VERSION=5.5.4
POD_NETWORK_CIDR=10.244.0.0/16
K8S_MANIFEST_DIR="/etc/kubernetes/manifests"
RE_CHECK='^[a-z0-9]([-a-z0-9]*[a-z0-9])?$'
DOCKER_REGISTRY_URL=
DOCKER_PROXY_URL=
MODULE_DOCKER_TAG=

while getopts ":b:r:c:n:k:u:R:D:o:O:m:N:H:S:s:w:t:U:P:A:l:L:K:d:p:T:f:F:-: hy" o; do
    case "${o}" in
        b)
            COMMIT_ID=${OPTARG}
            PULL_IMAGES=""
            ;;
        r)
            REPOSITORY="${OPTARG}"
            REPO_ARGS+=(-r "$REPOSITORY")
            ;;
        c)
            [ "${OPTARG}" == "swarm" ] && KUBERNETES="" && REPO_ARGS+=(-c "${OPTARG}") && continue
            [ "${OPTARG}" == "k8s" ] && KUBERNETES="y" && continue
            echo -e "Invalid argument for -i : ' $OPTARG'\n" >&2
            usage && exit 1
            ;;
        n)
            [ "${OPTARG}" == "lwui" ] && NGUI="" && REPO_ARGS+=(-n "${OPTARG}") && continue
            [ "${OPTARG}" == "ngui" ] && continue
            echo -e "Invalid argument for -n : ' $OPTARG'\n" >&2
            usage && exit 1
            ;;
        k)
            REPOSITORY_KEY="${OPTARG}"
            REPO_ARGS+=(-k "$REPOSITORY_KEY")
            ;;
        u)
            REPOSITORY_BASE="${OPTARG}"
            REPO_ARGS+=(-u "$REPOSITORY_BASE")
            ;;
        R)
            RELEASE="${OPTARG}"
            REPO_ARGS+=(-R "$RELEASE")
            ;;
        D)
            OSM_DEVOPS="${OPTARG}"
            ;;
        o)
            INSTALL_ONLY="y"
            [ "${OPTARG}" == "vimemu" ] && INSTALL_VIMEMU="y" && continue
            [ "${OPTARG}" == "elk_stack" ] && INSTALL_ELK="y" && continue
            [ "${OPTARG}" == "k8s_monitor" ] && INSTALL_K8S_MONITOR="y" && continue
            ;;
        O)
            INSTALL_TO_OPENSTACK="y"
            if [ -n "${OPTARG}" ]; then
                OPENSTACK_OPENRC_FILE_OR_CLOUD="${OPTARG}"
            else
                echo -e "Invalid argument for -O : ' $OPTARG'\n" >&2
                usage && exit 1
            fi
            ;;
        f)
            OPENSTACK_SSH_KEY_FILE="${OPTARG}"
            ;;
        F)
            OPENSTACK_USERDATA_FILE="${OPTARG}"
            ;;
        N)
            OPENSTACK_PUBLIC_NET_NAME="${OPTARG}"
            ;;
        m)
            [ "${OPTARG}" == "LW-UI" ] && TO_REBUILD="$TO_REBUILD LW-UI" && continue
            [ "${OPTARG}" == "NG-UI" ] && TO_REBUILD="$TO_REBUILD NG-UI" && continue
            [ "${OPTARG}" == "NBI" ] && TO_REBUILD="$TO_REBUILD NBI" && continue
            [ "${OPTARG}" == "LCM" ] && TO_REBUILD="$TO_REBUILD LCM" && continue
            [ "${OPTARG}" == "RO" ] && TO_REBUILD="$TO_REBUILD RO" && continue
            [ "${OPTARG}" == "MON" ] && TO_REBUILD="$TO_REBUILD MON" && continue
            [ "${OPTARG}" == "POL" ] && TO_REBUILD="$TO_REBUILD POL" && continue
            [ "${OPTARG}" == "PLA" ] && TO_REBUILD="$TO_REBUILD PLA" && continue
            [ "${OPTARG}" == "osmclient" ] && TO_REBUILD="$TO_REBUILD osmclient" && continue
            [ "${OPTARG}" == "KAFKA" ] && TO_REBUILD="$TO_REBUILD KAFKA" && continue
            [ "${OPTARG}" == "MONGO" ] && TO_REBUILD="$TO_REBUILD MONGO" && continue
            [ "${OPTARG}" == "PROMETHEUS" ] && TO_REBUILD="$TO_REBUILD PROMETHEUS" && continue
            [ "${OPTARG}" == "PROMETHEUS-CADVISOR" ] && TO_REBUILD="$TO_REBUILD PROMETHEUS-CADVISOR" && continue
            [ "${OPTARG}" == "KEYSTONE-DB" ] && TO_REBUILD="$TO_REBUILD KEYSTONE-DB" && continue
            [ "${OPTARG}" == "GRAFANA" ] && TO_REBUILD="$TO_REBUILD GRAFANA" && continue
            [ "${OPTARG}" == "NONE" ] && TO_REBUILD="$TO_REBUILD NONE" && continue
            ;;
        H)
            OSM_VCA_HOST="${OPTARG}"
            ;;
        S)
            OSM_VCA_SECRET="${OPTARG}"
            ;;
        s)
            OSM_STACK_NAME="${OPTARG}" && [ -n "$KUBERNETES" ] && [[ ! "${OPTARG}" =~ $RE_CHECK ]] && echo "Namespace $OPTARG is invalid. Regex used for validation is $RE_CHECK" && exit 0
            ;;
        w)
            # when specifying workdir, do not use sudo for access
            WORKDIR_SUDO=
            OSM_WORK_DIR="${OPTARG}"
            ;;
        t)
            OSM_DOCKER_TAG="${OPTARG}"
            REPO_ARGS+=(-t "$OSM_DOCKER_TAG")
            ;;
        U)
            DOCKER_USER="${OPTARG}"
            ;;
        P)
            OSM_VCA_PUBKEY=$(cat ${OPTARG})
            ;;
        A)
            OSM_VCA_APIPROXY="${OPTARG}"
            ;;
        l)
            LXD_CLOUD_FILE="${OPTARG}"
            ;;
        L)
            LXD_CRED_FILE="${OPTARG}"
            ;;
        K)
            CONTROLLER_NAME="${OPTARG}"
            ;;
        d)
            DOCKER_REGISTRY_URL="${OPTARG}"
            ;;
        p)
            DOCKER_PROXY_URL="${OPTARG}"
            ;;
        T)
            MODULE_DOCKER_TAG="${OPTARG}"
            ;;
        -)
            [ "${OPTARG}" == "help" ] && usage && exit 0
            [ "${OPTARG}" == "source" ] && INSTALL_FROM_SOURCE="y" && PULL_IMAGES="" && continue
            [ "${OPTARG}" == "develop" ] && DEVELOP="y" && continue
            [ "${OPTARG}" == "uninstall" ] && UNINSTALL="y" && continue
            [ "${OPTARG}" == "update" ] && UPDATE="y" && continue
            [ "${OPTARG}" == "reconfigure" ] && RECONFIGURE="y" && continue
            [ "${OPTARG}" == "test" ] && TEST_INSTALLER="y" && continue
            [ "${OPTARG}" == "lxdinstall" ] && INSTALL_LXD="y" && continue
            [ "${OPTARG}" == "nolxd" ] && INSTALL_NOLXD="y" && continue
            [ "${OPTARG}" == "nodocker" ] && INSTALL_NODOCKER="y" && continue
            [ "${OPTARG}" == "lightweight" ] && INSTALL_LIGHTWEIGHT="y" && continue
            [ "${OPTARG}" == "vimemu" ] && INSTALL_VIMEMU="y" && continue
            [ "${OPTARG}" == "elk_stack" ] && INSTALL_ELK="y" && continue
            [ "${OPTARG}" == "showopts" ] && SHOWOPTS="y" && continue
            [ "${OPTARG}" == "nohostports" ] && NO_HOST_PORTS="y" && continue
            [ "${OPTARG}" == "nojuju" ] && INSTALL_NOJUJU="y" && continue
            [ "${OPTARG}" == "nodockerbuild" ] && DOCKER_NOBUILD="y" && continue
            [ "${OPTARG}" == "nohostclient" ] && INSTALL_NOHOSTCLIENT="y" && continue
            [ "${OPTARG}" == "pullimages" ] && continue
            [ "${OPTARG}" == "k8s_monitor" ] && INSTALL_K8S_MONITOR="y" && continue
            [ "${OPTARG}" == "charmed" ] && CHARMED="y" && continue
            [ "${OPTARG}" == "bundle" ] && continue
            [ "${OPTARG}" == "k8s" ] && continue
            [ "${OPTARG}" == "lxd" ] && continue
            [ "${OPTARG}" == "lxd-cred" ] && continue
            [ "${OPTARG}" == "microstack" ] && continue
            [ "${OPTARG}" == "vca" ] && continue
            [ "${OPTARG}" == "ha" ] && continue
            [ "${OPTARG}" == "tag" ] && continue
            [ "${OPTARG}" == "registry" ] && continue
            [ "${OPTARG}" == "pla" ] && INSTALL_PLA="y" && continue
            [ "${OPTARG}" == "volume" ] && OPENSTACK_ATTACH_VOLUME="true" && continue
            echo -e "Invalid option: '--$OPTARG'\n" >&2
            usage && exit 1
            ;;
        :)
            echo "Option -$OPTARG requires an argument" >&2
            usage && exit 1
            ;;
        \?)
            echo -e "Invalid option: '-$OPTARG'\n" >&2
            usage && exit 1
            ;;
        h)
            usage && exit 0
            ;;
        y)
            ASSUME_YES="y"
            ;;
        *)
            usage && exit 1
            ;;
    esac
done

[ -n "$DOCKER_REGISTRY_URL" ] && parse_docker_registry_url
[ -n "$TO_REBUILD" ] && [ "$TO_REBUILD" != " NONE" ] && echo $TO_REBUILD | grep -q NONE && FATAL "Incompatible option: -m NONE cannot be used with other -m options"
[ -n "$TO_REBUILD" ] && [ "$TO_REBUILD" == " PLA" ] && [ -z "$INSTALL_PLA" ] && FATAL "Incompatible option: -m PLA cannot be used without --pla option"

if [ -n "$SHOWOPTS" ]; then
    dump_vars
    exit 0
fi

if [ -n "$CHARMED" ]; then
     if [ -n "$UNINSTALL" ]; then
        ${OSM_DEVOPS}/installers/charmed_uninstall.sh -R $RELEASE -r $REPOSITORY -u $REPOSITORY_BASE -D /usr/share/osm-devops -t $DOCKER_TAG "$@"
     else
        ${OSM_DEVOPS}/installers/charmed_install.sh -R $RELEASE -r $REPOSITORY -u $REPOSITORY_BASE -D /usr/share/osm-devops -t $DOCKER_TAG "$@"
     fi

     exit 0
fi

# if develop, we force master
[ -z "$COMMIT_ID" ] && [ -n "$DEVELOP" ] && COMMIT_ID="master"

need_packages="git wget curl tar"

[ -n "$INSTALL_TO_OPENSTACK" ] && install_to_openstack $OPENSTACK_OPENRC_FILE_OR_CLOUD $OPENSTACK_PUBLIC_NET_NAME $OPENSTACK_ATTACH_VOLUME && echo -e "\nDONE" && exit 0

echo -e "Checking required packages: $need_packages"
dpkg -l $need_packages &>/dev/null \
  || ! echo -e "One or several required packages are not installed. Updating apt cache requires root privileges." \
  || sudo apt-get update \
  || FATAL "failed to run apt-get update"
dpkg -l $need_packages &>/dev/null \
  || ! echo -e "Installing $need_packages requires root privileges." \
  || sudo apt-get install -y $need_packages \
  || FATAL "failed to install $need_packages"
sudo snap install jq
if [ -z "$OSM_DEVOPS" ]; then
    if [ -n "$TEST_INSTALLER" ]; then
        echo -e "\nUsing local devops repo for OSM installation"
        OSM_DEVOPS="$(dirname $(realpath $(dirname $0)))"
    else
        echo -e "\nCreating temporary dir for OSM installation"
        OSM_DEVOPS="$(mktemp -d -q --tmpdir "installosm.XXXXXX")"
        trap 'rm -rf "$OSM_DEVOPS"' EXIT

        git clone https://osm.etsi.org/gerrit/osm/devops.git $OSM_DEVOPS

        if [ -z "$COMMIT_ID" ]; then
            echo -e "\nGuessing the current stable release"
            LATEST_STABLE_DEVOPS=`git -C $OSM_DEVOPS tag -l v[0-9].* | sort -V | tail -n1`
            [ -z "$LATEST_STABLE_DEVOPS" ] && echo "Could not find the current latest stable release" && exit 0

            echo "Latest tag in devops repo: $LATEST_STABLE_DEVOPS"
            COMMIT_ID="tags/$LATEST_STABLE_DEVOPS"
        else
            echo -e "\nDEVOPS Using commit $COMMIT_ID"
        fi
        git -C $OSM_DEVOPS checkout $COMMIT_ID
    fi
fi

. $OSM_DEVOPS/common/all_funcs

[ "${OSM_STACK_NAME}" == "osm" ] || OSM_DOCKER_WORK_DIR="$OSM_WORK_DIR/stack/$OSM_STACK_NAME"
[ -n "$KUBERNETES" ] && OSM_K8S_WORK_DIR="$OSM_DOCKER_WORK_DIR/osm_pods" && OSM_NAMESPACE_VOL="${OSM_HOST_VOL}/${OSM_STACK_NAME}"
[ -n "$INSTALL_LIGHTWEIGHT" ] && [ -n "$UNINSTALL" ] && uninstall_lightweight && echo -e "\nDONE" && exit 0
[ -n "$INSTALL_ONLY" ] && [ -n "$INSTALL_ELK" ] && deploy_elk
#[ -n "$INSTALL_ONLY" ] && [ -n "$INSTALL_PERFMON" ] && deploy_perfmon
[ -n "$INSTALL_ONLY" ] && [ -n "$INSTALL_VIMEMU" ] && install_vimemu
[ -n "$INSTALL_ONLY" ] && [ -n "$INSTALL_K8S_MONITOR" ] && install_k8s_monitoring
[ -n "$INSTALL_ONLY" ] && echo -e "\nDONE" && exit 0

#Installation starts here
wget -q -O- https://osm-download.etsi.org/ftp/osm-9.0-nine/README.txt &> /dev/null
track start

[ -n "$INSTALL_LIGHTWEIGHT" ] && install_lightweight && echo -e "\nDONE" && exit 0
echo -e "\nInstalling OSM from refspec: $COMMIT_ID"
if [ -n "$INSTALL_FROM_SOURCE" ] && [ -z "$ASSUME_YES" ]; then
    ! ask_user "The installation will take about 75-90 minutes. Continue (Y/n)? " y && echo "Cancelled!" && exit 1
fi

echo -e "Checking required packages: lxd"
lxd --version &>/dev/null || FATAL "lxd not present, exiting."
[ -n "$INSTALL_LXD" ] && echo -e "\nInstalling and configuring lxd" && install_lxd

# use local devops for containers
export OSM_USE_LOCAL_DEVOPS=true

#Install osmclient

#Install vim-emu (optional)
[ -n "$INSTALL_VIMEMU" ] && install_docker_ce && install_vimemu

wget -q -O- https://osm-download.etsi.org/ftp/osm-9.0-nine/README2.txt &> /dev/null
track end
echo -e "\nDONE"