#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=5

# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --source_id="go" --dest_dir="$install_dir/go"
ynh_setup_source  --source_id="lxd" --dest_dir="$install_dir/lxd"

#=================================================
# SPECIFIC SETUP
#=================================================
# BUILD FROM SOURCES
#=================================================
ynh_script_progression --message="Building lxd from sources..." --weight=60

pushd "$install_dir/lxd"
	(
		export PATH="$install_dir/go/bin:$PATH"
		export GOPATH="$install_dir/lxd/vendor/"
		export HOME=${HOME:-"/root/"}

		ynh_exec_warn_less make deps
		export CGO_CFLAGS="-I${GOPATH}/raft/include/ -I${GOPATH}/dqlite/include/"
		export CGO_LDFLAGS="-L${GOPATH}/raft/.libs -L${GOPATH}/dqlite/.libs/"
		export LD_LIBRARY_PATH="${GOPATH}/raft/.libs/:${GOPATH}/dqlite/.libs/"
		export CGO_LDFLAGS_ALLOW="(-Wl,-wrap,pthread_create)|(-Wl,-z,now)"

		ynh_exec_warn_less make

		mkdir -p /usr/local/lib/$app
		mkdir -p /var/log/$app
		cp -a ${GOPATH}/{raft,dqlite}/.libs/lib*.so* /usr/local/lib/$app/
		cp ${GOPATH}/bin/{fuidshift,lxc,lxc-to-lxd,lxd,lxd-agent,lxd-benchmark,lxd-migrate,lxd-user} /usr/local/bin
		cp $install_dir/lxd/scripts/bash/lxd-client /etc/bash_completion.d/
	)
popd

ynh_secure_remove --file="$install_dir/go"
ynh_secure_remove --file="$install_dir/lxd"

#=================================================
# SYSTEM CONFIGURATION
#=================================================
ynh_script_progression --message="Adding system configurations related to $app..." --weight=1

# Create a dedicated systemd config
ynh_add_systemd_socket_config

ynh_add_systemd_config
yunohost service add "$app" --log="/var/log/$app/$app.log"

_ynh_add_dnsmasq

_ynh_add_ld_so

_ynh_set_subuid_subgid

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..."

# Start a systemd service
ynh_systemd_action --service_name="$app" --action="start" --log_path="/var/log/$app/$app.log"

#=================================================
# END OF SCRIPT
#=================================================

ynh_script_progression --message="Installation of $app completed" --last