#! /bin/bash

# script installs Homer 7.7 on Centos 8

. /usr/src/m2/framework/bash_functions.sh
. /usr/src/m2/framework/settings.sh

k_default_interface_ip

# ---- VARS -----

VERSION="1.0.5"
SCRIPT_NAME="Homer 7.7 install"

TEST=0   # 1 - do not execute changes

# ---- FUNCTIONS -----

# ---- MAIN -----

echo
k_kolmisoft_logo
echo

k_start


if [ "$TEST" == "1" ]; then
    report "***** TEST MODE ON. Changes will not be applied *****" 8
fi


_centos_version
if (( centos_version != 8 )); then
    report "Centos 8 is necessary. Current: $centos_version" 1
    k_exit 1
fi


# --------------------------------------------------------------------------------------------------------
cd /usr/src/m2/maintenance
./selinux_disable.sh

report "Time Sync and setting Time-Zone to GTM-0" 3
dnf -y install chrony ntpstat
systemctl enable chronyd
systemctl start chronyd
timedatectl set-timezone Europe/London


report "Installing packages" 3
dnf -y install wireshark-cli net-tools wget
dnf -y install mlocate && updatedb


# --------------------------------------------------------------------------------------------------------
# Prometheus + Grafana
cd /usr/src/m2/helpers/prometheus/
./prometheus_grafana_install_c78.sh

echo "  - job_name: 'heplify-server'
    scrape_interval: 5s
    static_configs:
      - targets: [':::9096']" >> /etc/prometheus/prometheus.yml


service prometheus restart
sleep 1

if netstat -vatupn | grep prometheus | grep -q ":::9090"; then
    report "Prometheus installed ok" 0
else
    report "Failed to install Prometheus properly. Should listen on IPv6 :::9090" 1
    k_exit 1
fi



report "Installing Grafana Dashboards" 3
cp -fr /usr/src/m2/helpers/homer/grafana_dashboards/* /etc/grafana/provisioning/dashboards/

service grafana-server restart



# --------------------------------------------------------------------------------------------------------
# PostgreSQL
cd /usr/src/m2/helpers/homer/
./postgresql12_install_c8.sh



# --------------------------------------------------------------------------------------------------------
# PgAdmin 4
./pgadmin4_install_c8.sh



# --------------------------------------------------------------------------------------------------------

report "Installing Homer repository" 3
curl -s https://packagecloud.io/install/repositories/qxip/sipcapture/script.rpm.sh | sudo bash


report "Installing heplify-server" 3

dnf -y install heplify-server

report "Creating sane location for configs" 3
mkdir -p /etc/heplify-server
ln -s /etc/heplify-server.toml /etc/heplify-server/heplify-server.tom

report "Configuring Heplify-server" 3

cp -fr /usr/src/m2/helpers/homer/heplify-server.toml /etc/



sed -i "s|HEPAddr               = \"0.0.0.0:9060\"\+|HEPAddr               = \"$DEFAULT_IP:9060\"|g" /etc/heplify-server.toml
sed -i "s|HEPTLSAddr            = \"0.0.0.0:9060\"\+|HEPTLSAddr            = \"$DEFAULT_IP:9060\"|g" /etc/heplify-server.toml

# proper log location
mkdir -p /var/log/homer
cp -fr /usr/src/m2/helpers/homer/heplify-server.service /usr/lib/systemd/system/
systemctl daemon-reload


systemctl restart heplify-server
#systemctl status heplify-server
sleep 1

# cleanup
cd /
rm -fr heplify-server*


if netstat -vatupn | grep heplify-serv | grep -q ":::9096"; then
    report "Heplify-server listens on :::9096 for Prometheus connection" 0
else
    report "Heplify-server does not listen on :::9096 for Prometheus connection" 0
    report "Press ENTER to continue or CTRL+Z to abort the script" 2
    read
fi

if netstat -vatupn | grep heplify-serv | grep -q "$DEFAULT_IP:9060"; then
    report "Heplify-server listens on $DEFAULT_IP:9060" 0
else
    report "Heplify-server does not listen on $DEFAULT_IP:9060" 2
    report "Press ENTER to continue or CTRL+Z to abort the script" 2
    read
fi

sleep 10
if cat /var/log/homer/heplify-server.log | grep -q "postgres connection established"; then
    report "Heplify-server has connection with PostgreSQL" 0
else
    report "Heplify-server does not have connection with PostgreSQL, rechecking" 2
    sleep 20

    if cat /var/log/homer/heplify-server.log | grep -q "postgres connection established"; then
        report "Heplify-server has connection with PostgreSQL" 0
    else
        report "Heplify-server does not have connection with PostgreSQL. Slow HDD?" 2
        report "Press ENTER to continue or CTRL+Z to abort the script" 2
        read
    fi
fi


report "Opening firewall for Heplify-server" 3
firewall-cmd --add-port=9060/udp --permanent
firewall-cmd --reload



# --------------------------------------------------------------------------------------------------------

report "Installing homer-app" 3

dnf -y install homer-app


report "Creating sane location for configs" 3
ln -s /usr/local/homer/etc/  /etc/homer-app

cp -fr /usr/src/m2/helpers/homer/webapp_config.json /usr/local/homer/etc/

sed -i "s|1.1.1.1\+|$DEFAULT_IP|g" /usr/local/homer/etc/webapp_config.json

report "Initial DB setup" 3

homer-app -create-config-db -database-root-user=postgres -database-host="127.0.0.1" -database-root-password=postgres -database-homer-user=homer_user > /dev/null 2>&1
homer-app -create-data-db -database-root-user=postgres -database-host="127.0.0.1" -database-root-password=postgres -database-homer-user=homer_user > /dev/null 2>&1

homer-app -create-table-db-config > /dev/null 2>&1
homer-app -populate-table-db-config > /dev/null 2>&1
homer-app -upgrade-table-db-config > /dev/null 2>&1

service homer-app restart
sleep 1

if netstat -vatupn | grep homer | grep -q "$DEFAULT_IP:9080"; then
    report "Heplify-app listens on $DEFAULT_IP:9080" 0
else
    report "Heplify-app does not listen on $DEFAULT_IP:9080" 2
    report "Press ENTER to continue or CTRL+Z to abort the script" 2
    read
fi

report "Opening firewall for Heplify-app" 3
firewall-cmd --add-port=9080/tcp --permanent
firewall-cmd --reload


echo
report "Access:" 3
report "  pgAdmin:    http://$DEFAULT_IP/pgadmin4 (email/psw you entered on installation)" 3
report "  Prometheus: http://$DEFAULT_IP:9090" 3
report "  Grafana:    http://$DEFAULT_IP:3000 (admin / admin)" 3
report "  Homer-app:  http://$DEFAULT_IP:9080 (admin / sipcapture)" 3
echo

k_exit 0