#!/usr/bin/env bash

# fail on error
set -e

# Retry 5 times with a wait of 10 seconds between each retry
tryfail() {
    for i in $(seq 1 5);
        do [ $i -gt 1 ] && sleep 10; $* && s=0 && break || s=$?; done;
    (exit $s)
}

# Try multiple keyservers in case of failure
addKey() {
    for server in $(shuf -e ha.pool.sks-keyservers.net \
        hkp://p80.pool.sks-keyservers.net:80 \
        keyserver.ubuntu.com \
        hkp://keyserver.ubuntu.com:80 \
        pgp.mit.edu) ; do \
        if apt-key adv --keyserver "$server" --recv "$1"; then
            exit 0
        fi
    done
    return 1
}

if [ "x${1}" == "x" ]; then
    echo please pass PKGURL as an environment variable
    exit 0
fi

apt-get update
apt-get install -qy --no-install-recommends \
    apt-transport-https \
    curl \
    openjdk-8-jre-headless \
    procps \
    libcap2-bin
tryfail apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 0C49F3730359A14518585931BC711F9BA15703C6
echo "deb [ arch=amd64,arm64 ] http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4 multiverse" | tee /etc/apt/sources.list.d/mongodb-org-3.4.list
apt-get update
echo "deb http://www.ubnt.com/downloads/unifi/debian unifi5 ubiquiti" > /etc/apt/sources.list.d/20ubiquiti.list
tryfail apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv C0A52C50
curl -L -o ./unifi.deb "${1}"
apt -qy install mongodb-org ./unifi.deb
rm -f ./unifi.deb
chown -R unifi:unifi /usr/lib/unifi
rm -rf /var/lib/apt/lists/*

rm -rf ${ODATADIR} ${OLOGDIR} ${BASEDIR}/{data,run,logs}
mkdir -p ${DATADIR} ${LOGDIR}
ln -s ${DATADIR} ${BASEDIR}/data
ln -s ${RUNDIR} ${BASEDIR}/run
ln -s ${LOGDIR} ${BASEDIR}/logs
rm -rf {$ODATADIR} ${OLOGDIR}
ln -s ${DATADIR} ${ODATADIR}
ln -s ${LOGDIR} ${OLOGDIR}
mkdir -p /var/cert ${CERTDIR}
ln -s ${CERTDIR} /var/cert/unifi

rm -rf "${0}"