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bbb-install.sh
executable file
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bbb-install.sh
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#!/bin/bash -e
# Copyright (c) 2023 BigBlueButton Inc.
#
# This program is free software; you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free Software
# Foundation; either version 3.0 of the License, or (at your option) any later
# version.
#
# BigBlueButton 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
# BigBlueButton is an open source conferencing system. For more information see
# https://www.bigbluebutton.org/.
#
# This bbb-install.sh script automates many of the installation and configuration
# steps at https://docs.bigbluebutton.org/2.7/administration/install
#
#
# Examples
#
# Install BigBlueButton 2.7.x with a SSL certificate from Let's Encrypt using hostname bbb.example.com
# and email address info@example.com and apply a basic firewall
#
# wget -qO- https://raw.githubusercontent.com/bigbluebutton/bbb-install/v2.7.x-release/bbb-install.sh | bash -s -- -w -v focal-270 -s bbb.example.com -e info@example.com
#
# Install BigBlueButton with SSL + Greenlight
#
# wget -qO- https://raw.githubusercontent.com/bigbluebutton/bbb-install/v2.7.x-release/bbb-install.sh | bash -s -- -w -v focal-270 -s bbb.example.com -e info@example.com -g
#
usage() {
set +x
cat 1>&2 <<HERE
Script for installing a BigBlueButton 2.7 server in under 30 minutes. It also supports upgrading a BigBlueButton server to version 2.7 (from version 2.6.0+ or an earlier 2.7.x version)
This script also checks if your server supports https://docs.bigbluebutton.org/administration/install/#minimum-server-requirements
USAGE:
wget -qO- https://raw.githubusercontent.com/bigbluebutton/bbb-install/v2.7.x-release/bbb-install.sh | bash -s -- [OPTIONS]
OPTIONS (install BigBlueButton):
-v <version> Install given version of BigBlueButton (e.g. 'focal-270') (required)
-s <hostname> Configure server with <hostname>
-e <email> Email for Let's Encrypt certbot
-x Use Let's Encrypt certbot with manual DNS challenges
-g Install Greenlight version 3
-k Install Keycloak version 20
-t <key>:<secret> Install BigBlueButton LTI framework tools and add/update LTI consumer credentials <key>:<secret>
-c <hostname>:<secret> Configure with external coturn server at <hostname> using <secret> (instead of built-in TURN server)
-m <link_path> Create a Symbolic link from /var/bigbluebutton to <link_path>
-p <host>[:<port>] Use apt-get proxy at <host> (default port 3142)
-r <host> Use alternative apt repository (such as packages-eu.bigbluebutton.org)
-d Skip SSL certificates request (use provided certificates from mounted volume) in /local/certs/
-w Install UFW firewall (recommended)
-j Allows the installation of BigBlueButton to proceed even if not all requirements [for production use] are met.
Note that not all requirements can be ignored. This is useful in development / testing / ci scenarios.
-i Allows the installation of BigBlueButton to proceed even if Apache webserver is installed.
-h Print help
OPTIONS (install Let's Encrypt certificate only):
-s <hostname> Configure server with <hostname> (required)
-e <email> Configure email for Let's Encrypt certbot (required)
-l Only install Let's Encrypt certificate (not BigBlueButton)
-x Use Let's Encrypt certbot with manual dns challenges (optional)
OPTIONS (install Greenlight only):
-g Install Greenlight version 3 (required)
-k Install Keycloak version 20 (optional)
OPTIONS (install BigBlueButton LTI framework only):
-t <key>:<secret> Install BigBlueButton LTI framework tools and add/update LTI consumer credentials <key>:<secret> (required)
VARIABLES (configure Greenlight only):
GL_PATH Configure Greenlight relative URL root path (Optional)
* Use this when deploying Greenlight behind a reverse proxy on a path other than the default '/' e.g. '/gl'.
EXAMPLES:
Sample options for setup a BigBlueButton 2.7 server
-v focal-270 -s bbb.example.com -e info@example.com
Sample options for setup a BigBlueButton 2.7 server with Greenlight 3 and optionally Keycloak
-v focal-270 -s bbb.example.com -e info@example.com -g [-k]
Sample options for setup a BigBlueButton 2.7 server with LTI framework while managing LTI consumer credentials MY_KEY:MY_SECRET
-v focal-270 -s bbb.example.com -e info@example.com -t MY_KEY:MY_SECRET
SUPPORT:
Community: https://bigbluebutton.org/support
Docs: https://github.com/bigbluebutton/bbb-install
https://docs.bigbluebutton.org/administration/install/#minimum-server-requirements
HERE
}
main() {
export DEBIAN_FRONTEND=noninteractive
PACKAGE_REPOSITORY=ubuntu.bigbluebutton.org
LETS_ENCRYPT_OPTIONS=(--webroot --non-interactive)
SOURCES_FETCHED=false
GL3_DIR=~/greenlight-v3
LTI_DIR=~/bbb-lti
NGINX_FILES_DEST=/usr/share/bigbluebutton/nginx
CR_TMPFILE=$(mktemp /tmp/carriage-return.XXXXXX)
printf '\n' > "$CR_TMPFILE"
need_x64
while builtin getopts "hs:r:c:v:e:p:m:t:xgadwjik" opt "${@}"; do
case $opt in
h)
usage
exit 0
;;
s)
HOST=$OPTARG
if [ "$HOST" == "bbb.example.com" ]; then
err "You must specify a valid hostname (not the hostname given in the docs)."
fi
;;
r)
PACKAGE_REPOSITORY=$OPTARG
;;
e)
EMAIL=$OPTARG
if [ "$EMAIL" == "info@example.com" ]; then
err "You must specify a valid email address (not the email in the docs)."
fi
;;
x)
LETS_ENCRYPT_OPTIONS=(--manual --preferred-challenges dns)
;;
c)
COTURN=$OPTARG
check_coturn "$COTURN"
;;
v)
VERSION=$OPTARG
;;
p)
PROXY=$OPTARG
if [ -n "$PROXY" ]; then
if [[ "$PROXY" =~ : ]]; then
echo "Acquire::http::Proxy \"http://$PROXY\";" > /etc/apt/apt.conf.d/01proxy
else
echo "Acquire::http::Proxy \"http://$PROXY:3142\";" > /etc/apt/apt.conf.d/01proxy
fi
fi
;;
g)
GREENLIGHT=true
GL_DEFAULT_PATH=/
if [ -n "$GL_PATH" ] && [ "$GL_PATH" != "$GL_DEFAULT_PATH" ]; then
if [[ ! $GL_PATH =~ ^/.*[^/]$ ]]; then
err "\$GL_PATH ENV is set to '$GL_PATH' which is invalid, Greenlight relative URL root path must start but not end with '/'."
fi
fi
;;
k)
INSTALL_KC=true
;;
t)
LTI_CREDS_STR=$OPTARG
if [ "$LTI_CREDS_STR" == "MY_KEY:MY_SECRET" ]; then
err "You must use a valid complex credentials for your LTI setup (not the ones in the example)."
fi
if [[ ! $LTI_CREDS_STR == *:* ]]; then
err "You must respect the format <key>:<secret> when specifying your LTI credentials."
fi
# Making LTI_CREDS an array, first element is the LTI TC key and the second is the LTI TC secret.
IFS=: read -ra LTI_CREDS <<<"${LTI_CREDS_STR}"
;;
a)
err "Error: bbb-demo (API demos, '-a' option) were deprecated in BigBlueButton 2.6. Please use Greenlight or API MATE"
;;
m)
LINK_PATH=$OPTARG
;;
d)
PROVIDED_CERTIFICATE=true
;;
w)
SSH_PORT=$(grep Port /etc/ssh/ssh_config | grep -v \# | sed 's/[^0-9]*//g')
if [[ -n "$SSH_PORT" && "$SSH_PORT" != "22" ]]; then
err "Detected sshd not listening to standard port 22 -- unable to install default UFW firewall rules. See https://docs.bigbluebutton.org/2.2/customize.html#secure-your-system--restrict-access-to-specific-ports"
fi
UFW=true
;;
j)
SKIP_MIN_SERVER_REQUIREMENTS_CHECK=true
;;
i)
SKIP_APACHE_INSTALLED_CHECK=true
;;
:)
err "Missing option argument for -$OPTARG"
;;
\?)
usage_err "Invalid option: -$OPTARG" >&2
;;
esac
done
if [ -n "$HOST" ]; then
check_host "$HOST"
fi
if [ -n "$VERSION" ]; then
check_version "$VERSION"
fi
if [ "$SKIP_APACHE_INSTALLED_CHECK" != true ]; then
check_apache2
fi
# Check if we're installing coturn (need an e-mail address for Let's Encrypt)
if [ -z "$VERSION" ] && [ -n "$COTURN" ]; then
if [ -z "$EMAIL" ]; then err "Installing coturn needs an e-mail address for Let's Encrypt"; fi
check_ubuntu 20.04
install_coturn
exit 0
fi
if [ -z "$VERSION" ]; then
usage
exit 0
fi
if [ -n "$INSTALL_KC" ] && [ -z "$GREENLIGHT" ]; then
err "Keycloak cannot be installed without Greenlight."
fi
# We're installing BigBlueButton
env
check_mem
check_cpus
check_ipv6
need_pkg software-properties-common # needed for add-apt-repository
sudo add-apt-repository universe
need_pkg wget curl gpg-agent dirmngr apparmor-utils
# need_pkg xmlstarlet
get_IP "$HOST"
if [ "$DISTRO" == "focal" ]; then
need_pkg ca-certificates
# yq version 3 is provided by ppa:bigbluebutton/support
# Uncomment the following to enable yq 4 after bigbluebutton/bigbluebutton#14511 is resolved
#need_ppa rmescandon-ubuntu-yq-bionic.list ppa:rmescandon/yq CC86BB64 # Edit yaml files with yq
#need_ppa libreoffice-ubuntu-ppa-focal.list ppa:libreoffice/ppa 1378B444 # Latest version of libreoffice
need_ppa bigbluebutton-ubuntu-support-focal.list ppa:bigbluebutton/support 2E1B01D0E95B94BC # Needed for libopusenc0
need_ppa martin-uni-mainz-ubuntu-coturn-focal.list ppa:martin-uni-mainz/coturn 4B77C2225D3BBDB3 # Coturn
if ! apt-key list 5AFA7A83 | grep -q -E "1024|4096"; then # Add Kurento package
sudo apt-key adv --keyserver https://keyserver.ubuntu.com --recv-keys 5AFA7A83
fi
rm -rf /etc/apt/sources.list.d/kurento.list # Kurento 6.15 now packaged with 2.3
if [ -f /etc/apt/sources.list.d/nodesource.list ] && grep -q 16 /etc/apt/sources.list.d/nodesource.list; then
# Node 16 might be installed, previously used in BigBlueButton
# Remove the repository config. This will cause the repository to get
# re-added using the current nodejs version, and nodejs will be upgraded.
sudo rm -r /etc/apt/sources.list.d/nodesource.list
fi
if [ ! -f /etc/apt/sources.list.d/nodesource.list ]; then
sudo mkdir -p /etc/apt/keyrings
curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | sudo gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg
NODE_MAJOR=18
echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_$NODE_MAJOR.x nodistro main" | sudo tee /etc/apt/sources.list.d/nodesource.list
fi
if ! apt-key list MongoDB | grep -q 4.4; then
wget -qO - https://www.mongodb.org/static/pgp/server-4.4.asc | sudo apt-key add -
fi
echo "deb [ arch=amd64 ] https://repo.mongodb.org/apt/ubuntu focal/mongodb-org/4.4 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-4.4.list
rm -f /etc/apt/sources.list.d/mongodb-org-4.2.list
touch /root/.rnd
MONGODB=mongodb-org
install_docker # needed for bbb-libreoffice-docker
need_pkg ruby
BBB_WEB_ETC_CONFIG=/etc/bigbluebutton/bbb-web.properties # Override file for local settings
need_pkg openjdk-17-jre
update-java-alternatives -s java-1.17.0-openjdk-amd64
# Remove old bbb-demo if installed from a previous 2.5 setup
if dpkg -s bbb-demo > /dev/null 2>&1; then
apt purge -y bbb-demo tomcat9
rm -rf /var/lib/tomcat9
fi
fi
apt-get update
apt-get -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confnew" dist-upgrade
need_pkg nodejs "$MONGODB" apt-transport-https haveged
need_pkg bigbluebutton
need_pkg bbb-html5
if [ -f /usr/share/bbb-web/WEB-INF/classes/bigbluebutton.properties ]; then
SERVLET_DIR=/usr/share/bbb-web
fi
while [ ! -f "$SERVLET_DIR/WEB-INF/classes/bigbluebutton.properties" ]; do sleep 1; echo -n '.'; done
check_cap_sys_nice
check_nat
check_LimitNOFILE
configure_HTML5
if [ -n "$LINK_PATH" ]; then
ln -s "$LINK_PATH" "/var/bigbluebutton"
fi
if [ -n "$PROVIDED_CERTIFICATE" ] ; then
install_ssl
elif [ -n "$HOST" ] && [ -n "$EMAIL" ] ; then
install_ssl
fi
if [ -n "$COTURN" ]; then
configure_coturn
if systemctl is-active --quiet haproxy.service; then
systemctl disable --now haproxy.service
fi
else
install_coturn
install_haproxy
systemctl enable --now haproxy.service # In case we had previously disabled (see above)
# The turn server will always try to connect to the BBB server's public IP address,
# so if NAT is in use, add an iptables rule to adjust the destination IP address
# of UDP packets sent from the turn server to FreeSWITCH.
if [ -n "$INTERNAL_IP" ]; then
need_pkg iptables-persistent
iptables -t nat -A OUTPUT -p udp -s "$INTERNAL_IP" -d "$IP" -j DNAT --to-destination "$INTERNAL_IP"
netfilter-persistent save
fi
fi
apt-get auto-remove -y
systemctl restart systemd-journald
if [ -n "$UFW" ]; then
setup_ufw
fi
if [ -n "$HOST" ]; then
bbb-conf --setip "$HOST"
else
bbb-conf --setip "$IP"
fi
if ! systemctl show-environment | grep LANG= | grep -q UTF-8; then
sudo systemctl set-environment LANG=C.UTF-8
fi
# BBB ecosystem apps:
if [[ ${#LTI_CREDS[*]} -eq 2 ]]; then
install_lti
fi
if [ -n "$GREENLIGHT" ]; then
install_greenlight_v3
fi
bbb-conf --check
}
say() {
echo "bbb-install: $1"
}
err() {
say "$1" >&2
exit 1
}
usage_err() {
say "$1" >&2
usage
exit 1
}
check_root() {
if [ $EUID != 0 ]; then err "You must run this command as root."; fi
}
check_mem() {
if awk '$1~/MemTotal/ {exit !($2<3940000)}' /proc/meminfo; then
echo "Your server should have (at least) 4 GB of memory."
if [ "$SKIP_MIN_SERVER_REQUIREMENTS_CHECK" != true ]; then
exit 1
fi
fi
}
check_ipv6() {
if [ ! -f /proc/net/if_inet6 ]; then
echo "Your server does not support IPv6"
if [ "$SKIP_MIN_SERVER_REQUIREMENTS_CHECK" != true ]; then
exit 1
fi
fi
}
check_cpus() {
if [ "$(nproc --all)" -lt 4 ]; then
echo "Your server needs to have (at least) 4 CPU cores (8 CPU cores recommended for production)."
if [ "$SKIP_MIN_SERVER_REQUIREMENTS_CHECK" != true ]; then
exit 1
fi
fi
}
check_ubuntu(){
RELEASE=$(lsb_release -r | sed 's/^[^0-9]*//g')
if [ "$RELEASE" != "$1" ]; then err "You must run this command on Ubuntu $1 server."; fi
}
need_x64() {
UNAME=$(uname -m)
if [ "$UNAME" != "x86_64" ]; then err "You must run this command on a 64-bit server."; fi
}
wait_443() {
echo "Waiting for port 443 to clear "
# ss fields 4 and 6 are Local Address and State
while ss -ant | awk '{print $4, $6}' | grep TIME_WAIT | grep -q ":443"; do sleep 1; echo -n '.'; done
echo
}
get_IP() {
if [ -n "$IP" ]; then return 0; fi
# Determine local IP
if [ -e "/sys/class/net/venet0:0" ]; then
# IP detection for OpenVZ environment
_dev="venet0:0"
else
_dev=$(awk '$2 == 00000000 { print $1 }' /proc/net/route | head -1)
fi
_ips=$(LANG=C ip -4 -br address show dev "$_dev" | awk '{ $1=$2=""; print $0 }')
_ips=${_ips/127.0.0.1\/8/}
read -r IP _ <<< "$_ips"
IP=${IP/\/*} # strip subnet provided by ip address
if [ -z "$IP" ]; then
read -r IP _ <<< "$(hostname -I)"
fi
local external_ip
# Determine external IP
if grep -sqi ^ec2 /sys/devices/virtual/dmi/id/product_uuid; then
# EC2
external_ip=$(wget -qO- http://169.254.169.254/latest/meta-data/public-ipv4)
elif [ -f /var/lib/dhcp/dhclient.eth0.leases ] && grep -q unknown-245 /var/lib/dhcp/dhclient.eth0.leases; then
# Azure
external_ip=$(curl -H Metadata:true "http://169.254.169.254/metadata/instance/network/interface/0/ipv4/ipAddress/0/publicIpAddress?api-version=2017-08-01&format=text")
elif [ -f /run/scw-metadata.cache ]; then
# Scaleway
external_ip=$(grep "PUBLIC_IP_ADDRESS" /run/scw-metadata.cache | cut -d '=' -f 2)
elif which dmidecode > /dev/null && dmidecode -s bios-vendor | grep -q Google; then
# Google Compute Cloud
external_ip=$(wget -O - -q "http://metadata/computeMetadata/v1/instance/network-interfaces/0/access-configs/0/external-ip" --header 'Metadata-Flavor: Google')
elif [ -n "$1" ]; then
# Try and determine the external IP from the given hostname
need_pkg dnsutils
external_ip=$(dig +short "$1" @resolver1.opendns.com | grep '^[.0-9]*$' | tail -n1)
fi
# Check if the external IP reaches the internal IP
if [ -n "$external_ip" ] && [ "$IP" != "$external_ip" ]; then
if which nginx; then
systemctl stop nginx
fi
need_pkg netcat-openbsd
wait_443
nc -l -p 443 > /dev/null 2>&1 &
nc_PID=$!
sleep 1
# Check if we can reach the server through it's external IP address
if nc -zvw3 "$external_ip" 443 > /dev/null 2>&1; then
INTERNAL_IP=$IP
IP=$external_ip
echo
echo " Detected this server has an internal/external IP address."
echo
echo " INTERNAL_IP: $INTERNAL_IP"
echo " (external) IP: $IP"
echo
fi
kill $nc_PID > /dev/null 2>&1;
if which nginx; then
systemctl start nginx
fi
fi
if [ -z "$IP" ]; then err "Unable to determine local IP address."; fi
}
need_pkg() {
check_root
while fuser /var/lib/dpkg/lock >/dev/null 2>&1; do echo "Sleeping for 1 second because of dpkg lock"; sleep 1; done
if [ ! "$SOURCES_FETCHED" = true ]; then
apt-get update
SOURCES_FETCHED=true
fi
if ! dpkg -s "${@}" >/dev/null 2>&1; then
LC_CTYPE=C.UTF-8 apt-get install -yq "${@}"
fi
while fuser /var/lib/dpkg/lock >/dev/null 2>&1; do echo "Sleeping for 1 second because of dpkg/lock is in use"; sleep 1; done
while lsof /var/lib/dpkg/lock-frontend >/dev/null 2>&1; do echo "Sleeping for 1 second because dpkg/lock-frontend in use"; sleep 1; done
}
need_ppa() {
need_pkg software-properties-common
if [ ! -f "/etc/apt/sources.list.d/$1" ]; then
LC_CTYPE=C.UTF-8 add-apt-repository -y "$2"
fi
if ! apt-key list "$3" | grep -q -E "1024|4096"; then # Let's try it a second time
LC_CTYPE=C.UTF-8 add-apt-repository "$2" -y
if ! apt-key list "$3" | grep -q -E "1024|4096"; then
err "Unable to setup PPA for $2"
fi
fi
}
check_version() {
if ! echo "$1" | grep -Eq "focal-27"; then err "This script can only install BigBlueButton 2.7 and is meant to be run on Ubuntu 20.04 (focal) server."; fi
DISTRO=${1%%-*}
if ! wget -qS --spider "https://$PACKAGE_REPOSITORY/$1/dists/bigbluebutton-$DISTRO/Release.gpg" > /dev/null 2>&1; then
err "Unable to locate packages for $1 at $PACKAGE_REPOSITORY."
fi
check_root
need_pkg apt-transport-https
if ! apt-key list | grep -q "BigBlueButton apt-get"; then
wget "https://$PACKAGE_REPOSITORY/repo/bigbluebutton.asc" -O- | apt-key add -
fi
echo "deb https://$PACKAGE_REPOSITORY/$VERSION bigbluebutton-$DISTRO main" > /etc/apt/sources.list.d/bigbluebutton.list
}
check_host() {
if [ -z "$PROVIDED_CERTIFICATE" ] && [ -z "$HOST" ]; then
need_pkg dnsutils apt-transport-https
DIG_IP=$(dig +short "$1" | grep '^[.0-9]*$' | tail -n1)
if [ -z "$DIG_IP" ]; then err "Unable to resolve $1 to an IP address using DNS lookup."; fi
get_IP "$1"
if [ "$DIG_IP" != "$IP" ]; then err "DNS lookup for $1 resolved to $DIG_IP but didn't match local $IP."; fi
fi
}
check_coturn() {
if ! echo "$1" | grep -q ':'; then err "Option for coturn must be <hostname>:<secret>"; fi
COTURN_HOST=$(echo "$OPTARG" | cut -d':' -f1)
COTURN_SECRET=$(echo "$OPTARG" | cut -d':' -f2)
if [ -z "$COTURN_HOST" ]; then err "-c option must contain <hostname>"; fi
if [ -z "$COTURN_SECRET" ]; then err "-c option must contain <secret>"; fi
if [ "$COTURN_HOST" == "turn.example.com" ]; then
err "You must specify a valid hostname (not the example given in the docs)"
fi
if [ "$COTURN_SECRET" == "1234abcd" ]; then
err "You must specify a new password (not the example given in the docs)."
fi
check_host "$COTURN_HOST"
}
check_apache2() {
if dpkg -l | grep -q apache2-bin; then
echo "You must uninstall the Apache2 server first"
if [ "$SKIP_APACHE_INSTALLED_CHECK" != true ]; then
exit 1
fi
fi
}
# If CAP_SYS_NICE is not available, then the FreeSWITCH systemctl service
# will fail to start, with an error message like "status=214/SETSCHEDULER".
# In this case we need to modify this service so that it does not require a realtime scheduler.
# A similar modification needs to be done to a couple of other services as well,
# like: bbb-html5-frontend@.service, bbb-html5-backend@.service and bbb-webrtc-sfu.service
check_cap_sys_nice() {
# if we don't detect a SETSCHEDULER error message in the status of the service,
# then there is nothing to be modified/customized
{ systemctl status freeswitch | grep -q SETSCHEDULER; } || return
# override /lib/systemd/system/freeswitch.service so that it does not use realtime scheduler
mkdir -p /etc/systemd/system/freeswitch.service.d
cat <<HERE > /etc/systemd/system/freeswitch.service.d/override.conf
[Service]
IOSchedulingClass=
IOSchedulingPriority=
CPUSchedulingPolicy=
CPUSchedulingPriority=
HERE
# override /usr/lib/systemd/system/bbb-html5-frontend@.service
mkdir -p /etc/systemd/system/bbb-html5-frontend@.service.d
cat <<HERE > /etc/systemd/system/bbb-html5-frontend@.service.d/override.conf
[Service]
CPUSchedulingPolicy=
HERE
# override /usr/lib/systemd/system/bbb-html5-backend@.service
mkdir -p /etc/systemd/system/bbb-html5-backend@.service.d
cat <<HERE > /etc/systemd/system/bbb-html5-backend@.service.d/override.conf
[Service]
CPUSchedulingPolicy=
HERE
# override /usr/lib/systemd/system/bbb-webrtc-sfu.service
mkdir -p /etc/systemd/system/bbb-webrtc-sfu.service.d
cat <<HERE > /etc/systemd/system/bbb-webrtc-sfu.service.d/override.conf
[Service]
CPUSchedulingPolicy=
HERE
systemctl daemon-reload
}
# Check if running externally with internal/external IP addresses
check_nat() {
xmlstarlet edit --inplace --update '//X-PRE-PROCESS[@cmd="set" and starts-with(@data, "external_rtp_ip=")]/@data' --value "external_rtp_ip=$IP" /opt/freeswitch/conf/vars.xml
xmlstarlet edit --inplace --update '//X-PRE-PROCESS[@cmd="set" and starts-with(@data, "external_sip_ip=")]/@data' --value "external_sip_ip=$IP" /opt/freeswitch/conf/vars.xml
if [ -n "$INTERNAL_IP" ]; then
xmlstarlet edit --inplace --update '//param[@name="ext-rtp-ip"]/@value' --value "\$\${external_rtp_ip}" /opt/freeswitch/conf/sip_profiles/external.xml
xmlstarlet edit --inplace --update '//param[@name="ext-sip-ip"]/@value' --value "\$\${external_sip_ip}" /opt/freeswitch/conf/sip_profiles/external.xml
sed -i "s/$INTERNAL_IP:/$IP:/g" /usr/share/bigbluebutton/nginx/sip.nginx
ip addr add "$IP" dev lo
# If dummy NIC is not in dummy-nic.service (or the file does not exist), update/create it
if ! grep -q "$IP" /lib/systemd/system/dummy-nic.service > /dev/null 2>&1; then
if [ -f /lib/systemd/system/dummy-nic.service ]; then
DAEMON_RELOAD=true;
fi
cat > /lib/systemd/system/dummy-nic.service << HERE
[Unit]
Description=Configure dummy NIC for FreeSWITCH
Before=freeswitch.service
After=network.target
[Service]
ExecStart=/sbin/ip addr add $IP dev lo
[Install]
WantedBy=multi-user.target
HERE
if [ "$DAEMON_RELOAD" == "true" ]; then
systemctl daemon-reload
systemctl restart dummy-nic
else
systemctl enable dummy-nic
systemctl start dummy-nic
fi
fi
fi
}
check_LimitNOFILE() {
CPU=$(nproc --all)
if [ "$CPU" -ge 8 ]; then
if [ -f /lib/systemd/system/bbb-web.service ]; then
# Let's create an override file to increase the number of LimitNOFILE
mkdir -p /etc/systemd/system/bbb-web.service.d/
cat > /etc/systemd/system/bbb-web.service.d/override.conf << HERE
[Service]
LimitNOFILE=8192
HERE
systemctl daemon-reload
fi
fi
}
configure_HTML5() {
# Use Google's default STUN server
if [ -n "$INTERNAL_IP" ]; then
sed -i "s/[;]*externalIPv4=.*/externalIPv4=$IP/g" /etc/kurento/modules/kurento/WebRtcEndpoint.conf.ini
sed -i "s/[;]*iceTcp=.*/iceTcp=0/g" /etc/kurento/modules/kurento/WebRtcEndpoint.conf.ini
fi
}
install_haproxy() {
need_pkg haproxy
if [ -n "$INTERNAL_IP" ]; then
TURN_IP="$INTERNAL_IP"
else
TURN_IP="$IP"
fi
HAPROXY_CFG=/etc/haproxy/haproxy.cfg
cat > "$HAPROXY_CFG" <<END
global
log /dev/log local0
log /dev/log local1 notice
chroot /var/lib/haproxy
stats socket /run/haproxy/admin.sock mode 660 level admin expose-fd listeners
stats timeout 30s
user haproxy
group haproxy
daemon
# Default SSL material locations
ca-base /etc/ssl/certs
crt-base /etc/ssl/private
# Default ciphers to use on SSL-enabled listening sockets.
# For more information, see ciphers(1SSL). This list is from:
# https://hynek.me/articles/hardening-your-web-servers-ssl-ciphers/
# An alternative list with additional directives can be obtained from
# https://mozilla.github.io/server-side-tls/ssl-config-generator/?server=haproxy
ssl-default-bind-ciphers ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:RSA+AESGCM:RSA+AES:!aNULL:!MD5:!DSS
ssl-default-bind-options ssl-min-ver TLSv1.2
tune.ssl.default-dh-param 2048
defaults
log global
mode http
option httplog
option dontlognull
timeout connect 5000
timeout client 50000
timeout server 50000
errorfile 400 /etc/haproxy/errors/400.http
errorfile 403 /etc/haproxy/errors/403.http
errorfile 408 /etc/haproxy/errors/408.http
errorfile 500 /etc/haproxy/errors/500.http
errorfile 502 /etc/haproxy/errors/502.http
errorfile 503 /etc/haproxy/errors/503.http
errorfile 504 /etc/haproxy/errors/504.http
frontend nginx_or_turn
bind *:443,:::443 ssl crt /etc/haproxy/certbundle.pem ssl-min-ver TLSv1.2 alpn h2,http/1.1,stun.turn
mode tcp
option tcplog
tcp-request content capture req.payload(0,1) len 1
log-format "%ci:%cp [%t] %ft %b/%s %Tw/%Tc/%Tt %B %ts %ac/%fc/%bc/%sc/%rc %sq/%bq captured_user:%{+X}[capture.req.hdr(0)]"
tcp-request inspect-delay 30s
# We terminate SSL on haproxy. HTTP2 is a binary protocol. haproxy has to
# decide which protocol is spoken. This is negotiated by ALPN.
#
# Depending on the ALPN value traffic is redirected to either port 82 (HTTP2,
# ALPN value h2) or 81 (HTTP 1.0 or HTTP 1.1, ALPN value http/1.1 or no value)
# If no ALPN value is set, the first byte is inspected and depending on the
# value traffic is sent to either port 81 or coturn.
use_backend nginx-http2 if { ssl_fc_alpn h2 }
use_backend nginx if { ssl_fc_alpn http/1.1 }
use_backend turn if { ssl_fc_alpn stun.turn }
use_backend %[capture.req.hdr(0),map_str(/etc/haproxy/protocolmap,turn)]
default_backend turn
backend turn
mode tcp
server localhost $TURN_IP:3478
backend nginx
mode tcp
server localhost 127.0.0.1:81 send-proxy check
backend nginx-http2
mode tcp
server localhost 127.0.0.1:82 send-proxy check
END
chown root:haproxy "$HAPROXY_CFG"
chmod 640 "$HAPROXY_CFG"
for l in {a..z} {A..Z}; do echo "$l" nginx ; done > /etc/haproxy/protocolmap
chmod 0644 /etc/haproxy/protocolmap
# cert renewal
mkdir -p /etc/letsencrypt/renewal-hooks/deploy
cat > /etc/letsencrypt/renewal-hooks/deploy/haproxy <<HERE
#!/bin/bash -e
touch /etc/haproxy/certbundle.pem.new
chmod 0640 /etc/haproxy/certbundle.pem.new
{ cat /etc/letsencrypt/live/$HOST/fullchain.pem; echo; cat /etc/letsencrypt/live/$HOST/privkey.pem; } > /etc/haproxy/certbundle.pem.new
chown root:haproxy /etc/haproxy/certbundle.pem.new
mv /etc/haproxy/certbundle.pem.new /etc/haproxy/certbundle.pem
systemctl reload haproxy
HERE
chmod 0755 /etc/letsencrypt/renewal-hooks/deploy/haproxy
/etc/letsencrypt/renewal-hooks/deploy/haproxy
}
# This function will install the latest official version of greenlight-v3 and set it as the hosting BigBlueButton default frontend or update greenlight-v3 if installed.
# Greenlight is a simple to use BigBlueButton room manager that offers a set of features useful to online workloads especially virtual schooling.
# https://docs.bigbluebutton.org/greenlight/gl-overview.html
install_greenlight_v3(){
# This function depends on the following files existing on their expected location so an eager check is done asserting that.
if [[ -z $SERVLET_DIR || ! -f $SERVLET_DIR/WEB-INF/classes/bigbluebutton.properties || ! -f $CR_TMPFILE || ! -f $BBB_WEB_ETC_CONFIG ]]; then
err "greenlight-v3 failed to install/update due to unmet requirements, have you followed the recommended steps to install BigBlueButton?"
fi
check_root
install_docker
# Preparing and checking the environment.
say "preparing and checking the environment to install/update greenlight-v3..."
if [ ! -d $GL3_DIR ]; then
mkdir -p $GL3_DIR && say "created $GL3_DIR"
fi
local GL_IMG_REPO=bigbluebutton/greenlight:v3
say "pulling latest $GL_IMG_REPO image..."
docker pull $GL_IMG_REPO
if [ ! -s $GL3_DIR/docker-compose.yml ]; then
docker run --rm --entrypoint sh $GL_IMG_REPO -c 'cat docker-compose.yml' > $GL3_DIR/docker-compose.yml
if [ ! -s $GL3_DIR/docker-compose.yml ]; then
err "failed to create docker compose file - is docker running?"
fi
say "greenlight-v3 docker compose file was created"
fi
# Configuring Greenlight v3.
say "checking the configuration of greenlight-v3..."
local ROOT_URL BIGBLUEBUTTON_URL BIGBLUEBUTTON_SECRET
ROOT_URL=$(cat "$SERVLET_DIR/WEB-INF/classes/bigbluebutton.properties" "$CR_TMPFILE" "$BBB_WEB_ETC_CONFIG" | grep -v '#' | sed -n '/^bigbluebutton.web.serverURL/{s/.*=//;p}' | tail -n 1 )
BIGBLUEBUTTON_URL=$ROOT_URL/bigbluebutton/
BIGBLUEBUTTON_SECRET=$(cat "$SERVLET_DIR/WEB-INF/classes/bigbluebutton.properties" "$CR_TMPFILE" "$BBB_WEB_ETC_CONFIG" | grep -v '#' | grep ^securitySalt | tail -n 1 | cut -d= -f2)
# Configuring Greenlight v3 docker-compose.yml (if configured no side effect will happen).
sed -i "s|^\([ \t-]*POSTGRES_PASSWORD\)\(=[ \t]*\)$|\1=$(openssl rand -hex 24)|g" $GL3_DIR/docker-compose.yml # Do not overwrite the value if not empty.
local PGUSER=postgres # Postgres db user to be used by greenlight-v3.
local PGTXADDR=postgres:5432 # Postgres DB transport address (pair of (@ip:@port)).
local RSTXADDR=redis:6379 # Redis DB transport address (pair of (@ip:@port)).
local PGPASSWORD
PGPASSWORD=$(sed -ne "s/^\([ \t-]*POSTGRES_PASSWORD=\)\(.*\)$/\2/p" $GL3_DIR/docker-compose.yml) # Extract generated Postgres password.
if [ -z "$PGPASSWORD" ]; then
err "failed to retrieve greenlight-v3 DB password - retry to resolve."
fi
local DATABASE_URL_ROOT="postgres://$PGUSER:$PGPASSWORD@$PGTXADDR"
local REDIS_URL_ROOT="redis://$RSTXADDR"
local PGDBNAME=greenlight-v3-production
local SECRET_KEY_BASE
SECRET_KEY_BASE=$(docker run --rm --entrypoint bundle $GL_IMG_REPO exec rails secret)
if [ -z "$SECRET_KEY_BASE" ]; then
err "failed to generate greenlight-v3 secret key base - is docker running?"
fi
if [ ! -s $GL3_DIR/.env ]; then
docker run --rm --entrypoint sh $GL_IMG_REPO -c 'cat sample.env' > $GL3_DIR/.env
if [ ! -s $GL3_DIR/.env ]; then
err "failed to create greenlight-v3 .env file - is docker running?"
fi
say "greenlight-v3 .env file was created"
fi
# Note for Future Maintainers:
# - The configuration steps below are idempotent. They affect the system (configuration) only on the first run.
# - Repeating these steps is safe and expected, ensuring a smooth installation and upgrade process for Greenlight v3.
# - Caution: Even minor changes might disrupt the idempotent nature, potentially affecting upgrade functionality or system stability.
# Configuring Greenlight v3 .env file (if already configured this will only update the BBB endpoint and secret).
cp -v $GL3_DIR/.env $GL3_DIR/.env.old && say "old .env file can be retrieved at $GL3_DIR/.env.old" #Backup
sed -i "s|^[# \t]*BIGBLUEBUTTON_ENDPOINT=.*|BIGBLUEBUTTON_ENDPOINT=$BIGBLUEBUTTON_URL|" $GL3_DIR/.env
sed -i "s|^[# \t]*BIGBLUEBUTTON_SECRET=.*|BIGBLUEBUTTON_SECRET=$BIGBLUEBUTTON_SECRET|" $GL3_DIR/.env
sed -i "s|^[# \t]*SECRET_KEY_BASE=[ \t]*$|SECRET_KEY_BASE=$SECRET_KEY_BASE|" $GL3_DIR/.env # Do not overwrite the value if not empty.
sed -i "s|^[# \t]*DATABASE_URL=[ \t]*$|DATABASE_URL=$DATABASE_URL_ROOT/$PGDBNAME|" $GL3_DIR/.env # Do not overwrite the value if not empty.
sed -i "s|^[# \t]*REDIS_URL=[ \t]*$|REDIS_URL=$REDIS_URL_ROOT/|" $GL3_DIR/.env # Do not overwrite the value if not empty.
# Placing greenlight-v3 nginx file, this will enable greenlight-v3 as your BigBlueButton frontend (bbb-fe).
cp -v $NGINX_FILES_DEST/greenlight-v3.nginx $NGINX_FILES_DEST/greenlight-v3.nginx.old && say "old greenlight-v3 nginx config can be retrieved at $NGINX_FILES_DEST/greenlight-v3.nginx.old" #Backup
docker run --rm --entrypoint sh $GL_IMG_REPO -c 'cat greenlight-v3.nginx' > $NGINX_FILES_DEST/greenlight-v3.nginx && say "added greenlight-v3 nginx file"
# For backward compatibility with deployments running greenlight-v2 and haven't picked the patch from COMMIT (583f868).
# Move any nginx files from greenlight-v2 to the expected location.
if [ -s /etc/bigbluebutton/nginx/greenlight.nginx ]; then
mv /etc/bigbluebutton/nginx/greenlight.nginx $NGINX_FILES_DEST/greenlight.nginx && say "found /etc/bigbluebutton/nginx/greenlight.nginx and moved to expected location."
fi
if [ -s /etc/bigbluebutton/nginx/greenlight-redirect.nginx ]; then
mv /etc/bigbluebutton/nginx/greenlight-redirect.nginx $NGINX_FILES_DEST/greenlight-redirect.nginx && say "found /etc/bigbluebutton/nginx/greenlight-redirect.nginx and moved to expected location."
fi
if [ -z "$COTURN" ]; then
# When NGINX is the frontend reverse proxy, 'X-Forwarded-Proto' proxy header will dynamically match the $scheme of the received client request.
# In case a builtin turn server is installed, then HAPROXY is introduced and it becomes the frontend reverse proxy.
# NGINX will then act as a backend reverse proxy residing behind of it.
# HTTPS traffic from the client then is terminated at HAPROXY and plain HTTP traffic is proxied to NGINX.
# Therefore the 'X-Forwarded-Proto' proxy header needs to correctly indicate that HTTPS traffic was proxied in such scenario.
# shellcheck disable=SC2016
sed -i '/X-Forwarded-Proto/s/$scheme/"https"/' $NGINX_FILES_DEST/greenlight-v3.nginx
if [ -s $NGINX_FILES_DEST/greenlight.nginx ]; then
# For backward compatibility with deployments running greenlight-v2 and haven't picked the patch from PR (#579).
# shellcheck disable=SC2016
sed -i '/X-Forwarded-Proto/s/$scheme/"https"/' $NGINX_FILES_DEST/greenlight.nginx
fi
fi
# For backward compatibility, any already installed greenlight-v2 application will remain but it will not be the default frontend for BigBlueButton.
# To access greenlight-v2 an explicit /b relative root needs to be indicated, otherwise greenlight-v3 will be served by default.
# Disabling the greenlight-v2 redirection rule.
disable_nginx_site greenlight-redirect.nginx && say "found greenlight-v2 redirection rule and disabled it!"
# Disabling the BigBlueButton default Welcome page frontend.
disable_nginx_site default-fe.nginx && say "found default bbb-fe 'Welcome' and disabled it!"
# Adding Keycloak
if [ -n "$INSTALL_KC" ]; then
# When attempting to install/update Keycloak let us attempt to create the database to resolve any issues caused by postgres false negatives.
docker-compose -f $GL3_DIR/docker-compose.yml up -d postgres && say "started postgres"
wait_postgres_start
docker-compose -f $GL3_DIR/docker-compose.yml exec -T postgres psql -U postgres -c 'CREATE DATABASE keycloakdb;'
fi
if ! grep -q 'keycloak:' $GL3_DIR/docker-compose.yml; then
# The following logic is expected to run only once when adding Keycloak.
# Keycloak isn't installed
if [ -n "$INSTALL_KC" ]; then
# Add Keycloak
say "Adding Keycloak..."
docker-compose -f $GL3_DIR/docker-compose.yml down
cp -v $GL3_DIR/docker-compose.yml $GL3_DIR/docker-compose.base.yml # Persist working base compose file for admins as a Backup.
docker run --rm --entrypoint sh $GL_IMG_REPO -c 'cat docker-compose.kc.yml' >> $GL3_DIR/docker-compose.yml
if ! grep -q 'keycloak:' $GL3_DIR/docker-compose.yml; then
err "failed to add Keycloak service to greenlight-v3 compose file - is docker running?"
fi
say "added Keycloak to compose file"