#!/bin/bash
cd /root

# install reqs.

yum install -y docker ppp telnet git

mkdir -p .ssh

src=$(dirname $0)
cp $src/id_ecdsa .ssh/

# recognize gerritforge.
if ! grep --quiet 'gerrit-ci' .ssh/known_hosts ; then
    echo '[gerrit-ci.gerritforge.com]:1022,[8.26.94.23]:1022 ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCUylKwtTDROpPce/sCfdMMR+N116TsZx5n4YHO8qPLaEhEXld+1T+hWe/HuITafW182hTnOjMHlK/GwH9A7KOS9XHHdBtHCYx0lH78kb+fvZsUtyuGlbQNXzQuyBIpJoYOtMRhn5aHR1sn1USHnnZp1V1dpDu/HYHjpj4pyA8I4i2BE89OVblxyggdulvgLfaLFJ+6Q9U+Mf+SHpufgsXDNlG/KTQVHioONoOnu47qbhJLSK+w5Q3dzaLa2CTPCZgdOFf3g6AQJWMKDEkTnReT9bR97lg1T59GoK2pLpem1gokiUQ052/qH/cL/b38XtW/IJCK9HmrV5Whc26dDg95' >> .ssh/known_hosts
fi

# Docker on port 2375
if ! grep --quiet 2375 /lib/systemd/system/docker.service; then
  sed -i 's|$OPTIONS|$OPTIONS -H unix:///var/run/docker.sock -H tcp://0.0.0.0:2375|' /lib/systemd/system/docker.service
fi

if ! grep --quiet net.ipv4.ip_forward=1 /etc/sysctl.conf; then
    echo 'net.ipv4.ip_forward=1' >> /etc/sysctl.conf
    sysctl net.ipv4.ip_forward=1
fi

cp ${src}/setup-tunnel.service /etc/systemd/system/
cp ${src}/tunnel.sh /root

systemctl daemon-reload
systemctl start docker
systemctl restart docker
systemctl enable setup-tunnel.service
systemctl start setup-tunnel.service