devstack/lib/horizon

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# lib/horizon
# Functions to control the configuration and operation of the horizon service
# <do not include this template file in ``stack.sh``!>
# Dependencies:
# ``functions`` file
# ``apache`` file
# ``SERVICE_{TENANT_NAME|PASSWORD}`` must be defined
# <list other global vars that are assumed to be defined>
# ``stack.sh`` calls the entry points in this order:
#
# install_horizon
# configure_horizon
# init_horizon
# start_horizon
# stop_horizon
# cleanup_horizon
# Save trace setting
XTRACE=$(set +o | grep xtrace)
set +o xtrace
# Defaults
# --------
# <define global variables here that belong to this project>
# Set up default directories
HORIZON_DIR=$DEST/horizon
# local_settings.py is used to customize Dashboard settings.
# The example file in Horizon repo is used by default.
HORIZON_SETTINGS=${HORIZON_SETTINGS:-$HORIZON_DIR/openstack_dashboard/local/local_settings.py.example}
# Functions
# ---------
# utility method of setting python option
function _horizon_config_set() {
local file=$1
local section=$2
local option=$3
local value=$4
if grep -q "^$section" $file; then
line=$(sed -ne "/^$section/,/^}/ { /^ *'$option':/ p; }" $file)
if [ -n "$line" ]; then
sed -i -e "/^$section/,/^}/ s/^\( *'$option'\) *:.*$/\1: $value,/" $file
else
sed -i -e "/^$section/a\ '$option': $value," $file
fi
else
echo -e "\n\n$section = {\n '$option': $value,\n}" >> $file
fi
}
# Entry Points
# ------------
# cleanup_horizon() - Remove residual data files, anything left over from previous
# runs that a clean run would need to clean up
function cleanup_horizon() {
if [[ is_fedora && $DISTRO =~ (rhel6) ]]; then
# If ``/usr/bin/node`` points into ``$DEST``
# we installed it via ``install_nodejs``
if [[ $(readlink -f /usr/bin/node) =~ ($DEST) ]]; then
sudo rm /usr/bin/node
fi
fi
}
# configure_horizon() - Set config files, create data dirs, etc
function configure_horizon() {
setup_develop $HORIZON_DIR
}
# init_horizon() - Initialize databases, etc.
function init_horizon() {
# Remove stale session database.
rm -f $HORIZON_DIR/openstack_dashboard/local/dashboard_openstack.sqlite3
# ``local_settings.py`` is used to override horizon default settings.
local_settings=$HORIZON_DIR/openstack_dashboard/local/local_settings.py
cp $HORIZON_SETTINGS $local_settings
if is_service_enabled neutron; then
_horizon_config_set $local_settings OPENSTACK_NEUTRON_NETWORK enable_security_group $Q_USE_SECGROUP
fi
# enable loadbalancer dashboard in case service is enabled
if is_service_enabled q-lbaas; then
_horizon_config_set $local_settings OPENSTACK_NEUTRON_NETWORK enable_lb True
fi
# enable firewall dashboard in case service is enabled
if is_service_enabled q-fwaas; then
_horizon_config_set $local_settings OPENSTACK_NEUTRON_NETWORK enable_firewall True
fi
# enable VPN dashboard in case service is enabled
if is_service_enabled q-vpn; then
_horizon_config_set $local_settings OPENSTACK_NEUTRON_NETWORK enable_vpn True
fi
# Initialize the horizon database (it stores sessions and notices shown to
# users). The user system is external (keystone).
cd $HORIZON_DIR
python manage.py syncdb --noinput
cd $TOP_DIR
# Create an empty directory that apache uses as docroot
sudo mkdir -p $HORIZON_DIR/.blackhole
HORIZON_REQUIRE=''
local horizon_conf=/etc/$APACHE_NAME/$APACHE_CONF_DIR/horizon.conf
if is_ubuntu; then
# Clean up the old config name
sudo rm -f /etc/apache2/sites-enabled/000-default
# Be a good citizen and use the distro tools here
sudo touch $horizon_conf
sudo a2ensite horizon.conf
elif is_fedora; then
if [[ "$os_RELEASE" -ge "18" ]]; then
# fedora 18 has Require all denied in its httpd.conf
# and requires explicit Require all granted
HORIZON_REQUIRE='Require all granted'
fi
sudo sed '/^Listen/s/^.*$/Listen 0.0.0.0:80/' -i /etc/httpd/conf/httpd.conf
elif is_suse; then
: # nothing to do
else
exit_distro_not_supported "horizon apache configuration"
fi
# Remove old log files that could mess with how devstack detects whether Horizon
# has been successfully started (see start_horizon() and functions::screen_it())
sudo rm -f /var/log/$APACHE_NAME/horizon_*
# Configure apache to run horizon
sudo sh -c "sed -e \"
s,%USER%,$APACHE_USER,g;
s,%GROUP%,$APACHE_GROUP,g;
s,%HORIZON_DIR%,$HORIZON_DIR,g;
s,%APACHE_NAME%,$APACHE_NAME,g;
s,%DEST%,$DEST,g;
s,%HORIZON_REQUIRE%,$HORIZON_REQUIRE,g;
\" $FILES/apache-horizon.template >$horizon_conf"
}
# install_horizon() - Collect source and prepare
function install_horizon() {
# Apache installation, because we mark it NOPRIME
install_apache_wsgi
# NOTE(sdague) quantal changed the name of the node binary
if is_ubuntu; then
if [[ ! -e "/usr/bin/node" ]]; then
install_package nodejs-legacy
fi
elif is_fedora && [[ $DISTRO =~ (rhel6) || "$os_RELEASE" -ge "18" ]]; then
install_package nodejs
fi
git_clone $HORIZON_REPO $HORIZON_DIR $HORIZON_BRANCH $HORIZON_TAG
}
# start_horizon() - Start running processes, including screen
function start_horizon() {
restart_apache_server
screen_it horizon "cd $HORIZON_DIR && sudo tail -f /var/log/$APACHE_NAME/horizon_error.log"
}
# stop_horizon() - Stop running processes (non-screen)
function stop_horizon() {
stop_apache_server
}
# Restore xtrace
$XTRACE
# Local variables:
# mode: shell-script
# End: