#!/bin/bash
#
# Copyright (C) 2018 ScyllaDB
#

#
# This file is part of Scylla.
#
# Scylla is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Scylla is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Scylla.  If not, see <http://www.gnu.org/licenses/>.
#

set -e

print_usage() {
    cat <<EOF
Usage: install.sh [options]

Options:
  --root /path/to/root     alternative install root (default /)
  --prefix /prefix         directory prefix (default /usr)
  --housekeeping           enable housekeeping service
  --help                   this helpful message
EOF
    exit 1
}

root=/
prefix=/usr
housekeeping=false

while [ $# -gt 0 ]; do
    case "$1" in
        "--root")
            root="$2"
            shift 2
            ;;
        "--prefix")
            prefix="$2"
            shift 2
            ;;
        "--housekeeping")
            housekeeping=true
            shift 1
            ;;
        "--help")
            shift 1
	    print_usage
            ;;
        *)
            print_usage
            ;;
    esac
done

rprefix="$root/$prefix"
retc="$root/etc"
rdoc="$rprefix/share/doc"

. /etc/os-release

MUSTACHE_DIST="\"redhat\": true"
pystache dist/common/systemd/scylla-server.service.mustache "{ $MUSTACHE_DIST }" > build/scylla-server.service
pystache dist/common/systemd/scylla-housekeeping-daily.service.mustache "{ $MUSTACHE_DIST }" > build/scylla-housekeeping-daily.service
pystache dist/common/systemd/scylla-housekeeping-restart.service.mustache "{ $MUSTACHE_DIST }" > build/scylla-housekeeping-restart.service


install -m755 -d "$retc/sysconfig" "$retc/security/limits.d"
install -m755 -d "$retc/scylla.d" "$rprefix/lib/sysctl.d"
install -m644 dist/common/sysconfig/scylla-server -Dt "$retc"/sysconfig
install -m644 dist/common/limits.d/scylla.conf -Dt "$retc"/security/limits.d
install -m644 dist/common/scylla.d/*.conf -Dt "$retc"/scylla.d
install -m644 dist/common/sysctl.d/*.conf -Dt "$rprefix"/lib/sysctl.d

SYSCONFDIR="/etc/sysconfig"
REPOFILES="'/etc/yum.repos.d/scylla*.repo'"


install -d -m755 "$retc"/scylla "$rprefix/lib/systemd/system" "$rprefix/lib/scylla" "$rprefix/bin"
install -m644 conf/scylla.yaml -Dt "$retc"/scylla
install -m644 conf/cassandra-rackdc.properties -Dt "$retc"/scylla
install -m644 build/*.service -Dt "$rprefix"/lib/systemd/system
install -m644 dist/common/systemd/*.service -Dt "$rprefix"/lib/systemd/system
install -m644 dist/common/systemd/*.timer -Dt "$rprefix"/lib/systemd/system
install -m755 dist/common/scripts/* -Dt "$rprefix"/lib/scylla/
install -m755 seastar/scripts/posix_net_conf.sh "$rprefix"/lib/scylla/
install -m755 seastar/scripts/perftune.py -Dt "$rprefix"/lib/scylla/
install -m755 seastar/dpdk/usertools/dpdk-devbind.py -Dt "$rprefix"/lib/scylla/
install -m755 build/release/scylla -Dt "$rprefix/bin"
install -m755 build/release/iotune -Dt "$rprefix/bin"
install -m755 dist/common/bin/scyllatop -Dt "$rprefix/bin"
install -m644 dist/common/scripts/scylla_blocktune.py -Dt "$rprefix"/lib/scylla/
install -m755 dist/common/scripts/scylla-blocktune -Dt "$rprefix"/lib/scylla/
install -m755 scylla-housekeeping -Dt "$rprefix"/lib/scylla/
if $housekeeping; then
    install -m644 conf/housekeeping.cfg -Dt "$retc"/scylla.d
fi
install -d -m755 "$rdoc"/scylla
install -m644 README.md -Dt "$rdoc"/scylla/
install -m644 README-DPDK.md -Dt "$rdoc"/scylla
install -m644 NOTICE.txt -Dt "$rdoc"/scylla/
install -m644 ORIGIN -Dt "$rdoc"/scylla/
install -d -m755 -d "$rdoc"/scylla/licenses/
install -m644 licenses/* -Dt "$rdoc"/scylla/licenses/
install -m755 -d "$root"/var/lib/scylla/
install -m755 -d "$root"/var/lib/scylla/data
install -m755 -d "$root"/var/lib/scylla/commitlog
install -m755 -d "$root"/var/lib/scylla/hints
install -m755 -d "$root"/var/lib/scylla/coredump
install -m755 -d "$root"/var/lib/scylla-housekeeping
install -m755 -d "$rprefix"/lib/scylla/swagger-ui
cp -r swagger-ui/dist "$rprefix"/lib/scylla/swagger-ui
install -d -m755 -d "$rprefix"/lib/scylla/api
cp -r api/api-doc "$rprefix"/lib/scylla/api
cp -r tools/scyllatop "$rprefix"/lib/scylla/scyllatop
cp -r scylla-housekeeping "$rprefix"/lib/scylla/scylla-housekeeping
install -d "$rprefix"/sbin
cp -P dist/common/sbin/* "$rprefix"/sbin

if [[ "$ID" = fedora && "$VERSION_ID" -ge 27 ]]; then
    install -m755 scylla-gdb.py -Dt "$rprefix"/lib/scylla/
fi