# lib/horizon # Functions to control the configuration and operation of the horizon service # # Dependencies: # ``functions`` file # ``SERVICE_{TENANT_NAME|PASSWORD}`` must 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=$(set +o | grep xtrace) set +o xtrace # Defaults # -------- # # Set up default directories HORIZON_DIR=$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} # Allow overriding the default Apache user and group, default to # current user and his default group. APACHE_USER=${APACHE_USER:-$USER} APACHE_GROUP=${APACHE_GROUP:-$(id -gn $APACHE_USER)} # 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\n '$option': $value,\n" $file fi else echo -e "\n\n$section = {\n '$option': $value,\n}" >> $file fi } # Basic install of upstream nodejs for platforms that want it function install_nodejs() { if [[ $(which node) ]]; then echo "You already appear to have nodejs, skipping install" return fi # There are several node deployment scripts; one may be more # appropriate at some future point, but for now direct download is # the simplest way. The version barely matters for lesscss which # doesn't use anything fancy. local ver=0.10.1 local nodejs=node-v${ver}-linux-x64 local tar=$nodejs.tar.gz local nodejs_url=http://nodejs.org/dist/v${ver}/${tar} curl -Ss ${nodejs_url} | tar -C ${DEST} -xz if [ $? -ne 0 ]; then echo "*** Download of nodejs failed" return 1 fi # /usr/bin so it gets found in the PATH available to horizon sudo ln -s $DEST/$nodejs/bin/node /usr/bin/node } # 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 the /usr/bin/node link looks like it's pointing into $DEST, # then 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 # enable loadbalancer dashboard in case service is enabled if is_service_enabled q-lbaas; then _horizon_config_set $local_settings OPENSTACK_QUANTUM_NETWORK enable_lb 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 $HORIZON_DIR/.blackhole HORIZON_REQUIRE='' if is_ubuntu; then APACHE_NAME=apache2 APACHE_CONF=sites-available/horizon # Clean up the old config name sudo rm -f /etc/apache2/sites-enabled/000-default # Be a good citizen and use the distro tools here sudo touch /etc/$APACHE_NAME/$APACHE_CONF sudo a2ensite horizon # WSGI isn't enabled by default, enable it sudo a2enmod wsgi elif is_fedora; then APACHE_NAME=httpd APACHE_CONF=conf.d/horizon.conf if [[ "$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/^.*$/Listen 0.0.0.0:80/' -i /etc/httpd/conf/httpd.conf elif is_suse; then APACHE_NAME=apache2 APACHE_CONF=vhosts.d/horizon.conf # WSGI isn't enabled by default, enable it sudo a2enmod wsgi else exit_distro_not_supported "apache configuration" fi # Configure apache to run horizon sudo sh -c "sed -e \" s,%USER%,$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; \" $FILES/apache-horizon.template >/etc/$APACHE_NAME/$APACHE_CONF" } # install_horizon() - Collect source and prepare function install_horizon() { # Apache installation, because we mark it NOPRIME if is_ubuntu; then # Install apache2, which is NOPRIME'd install_package apache2 libapache2-mod-wsgi elif is_fedora; then sudo rm -f /etc/httpd/conf.d/000-* install_package httpd mod_wsgi elif is_suse; then install_package apache2 apache2-mod_wsgi else exit_distro_not_supported "apache installation" fi if [[ is_fedora && $DISTRO =~ (rhel6) ]]; then # RHEL6 currently has no native way to get nodejs, so we do a # basic install here (see cleanup_horizon too). # TODO: does nova have a better way that we can limit # requirement of site-wide nodejs install? install_nodejs fi # NOTE(sdague) quantal changed the name of the node binary if is_ubuntu; then if [[ ! -e "/usr/bin/node" ]]; then install_package nodejs-legacy fi elif is_fedora && [[ "$os_RELEASE" -ge "18" ]]; then # fedora 18 and higher gets nodejs 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_service $APACHE_NAME 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() { if is_ubuntu; then stop_service apache2 elif is_fedora; then stop_service httpd elif is_suse; then stop_service apache2 else exit_distro_not_supported "apache configuration" fi } # Restore xtrace $XTRACE # Local variables: # mode: shell-script # End: