Browse code

move horizon logic to lib to clean up stack.sh

pre holiday refactor extrodinare, get the horizon code
over fully into lib/horizon so that all these fixes aren't
scattered through stack.sh

Change-Id: I7f26c5c6708d5693048eb7b1ce792122adbc7351

Sean Dague authored on 2012/11/20 06:00:01
Showing 3 changed files
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new file mode 100644
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@@ -0,0 +1,133 @@
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+# lib/horizon
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+# Functions to control the configuration and operation of the horizon service
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+# <do not include this template file in ``stack.sh``!>
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+
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+# Dependencies:
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+# ``functions`` file
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+# ``SERVICE_{TENANT_NAME|PASSWORD}`` must be defined
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+# <list other global vars that are assumed to be defined>
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+
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+# ``stack.sh`` calls the entry points in this order:
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+#
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+# install_horizon
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+# configure_horizon
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+# init_horizon
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+# start_horizon
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+# stop_horizon
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+# cleanup_horizon
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+
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+# Save trace setting
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+XTRACE=$(set +o | grep xtrace)
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+set +o xtrace
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+
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+
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+# Defaults
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+# --------
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+
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+# <define global variables here that belong to this project>
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+
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+# Set up default directories
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+HORIZON_DIR=$DEST/horizon
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+
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+# Allow overriding the default Apache user and group, default both to
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+# current user.
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+APACHE_USER=${APACHE_USER:-$USER}
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+APACHE_GROUP=${APACHE_GROUP:-$APACHE_USER}
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+
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+
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+# Entry Points
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+# ------------
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+
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+# cleanup_horizon() - Remove residual data files, anything left over from previous
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+# runs that a clean run would need to clean up
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+function cleanup_horizon() {
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+    # kill instances (nova)
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+    # delete image files (glance)
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+    # This function intentionally left blank
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+    :
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+}
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+
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+# configure_horizon() - Set config files, create data dirs, etc
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+function configure_horizon() {
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+    setup_develop $HORIZON_DIR
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+}
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+
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+# init_horizon() - Initialize databases, etc.
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+function init_horizon() {
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+    # Remove stale session database.
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+    rm -f $HORIZON_DIR/openstack_dashboard/local/dashboard_openstack.sqlite3
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+
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+    # ``local_settings.py`` is used to override horizon default settings.
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+    local_settings=$HORIZON_DIR/openstack_dashboard/local/local_settings.py
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+    cp $FILES/horizon_settings.py $local_settings
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+
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+    # Initialize the horizon database (it stores sessions and notices shown to
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+    # users).  The user system is external (keystone).
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+    cd $HORIZON_DIR
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+    python manage.py syncdb --noinput
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+    cd $TOP_DIR
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+
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+    # Create an empty directory that apache uses as docroot
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+    sudo mkdir -p $HORIZON_DIR/.blackhole
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+
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+
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+    if [[ "$os_PACKAGE" = "deb" ]]; then
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+        APACHE_NAME=apache2
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+        APACHE_CONF=sites-available/horizon
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+        # Clean up the old config name
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+        sudo rm -f /etc/apache2/sites-enabled/000-default
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+        # Be a good citizen and use the distro tools here
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+        sudo touch /etc/$APACHE_NAME/$APACHE_CONF
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+        sudo a2ensite horizon
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+    else
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+        # Install httpd, which is NOPRIME'd
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+        APACHE_NAME=httpd
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+        APACHE_CONF=conf.d/horizon.conf
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+        sudo sed '/^Listen/s/^.*$/Listen 0.0.0.0:80/' -i /etc/httpd/conf/httpd.conf
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+    fi
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+
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+    # Configure apache to run horizon
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+    sudo sh -c "sed -e \"
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+        s,%USER%,$APACHE_USER,g;
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+        s,%GROUP%,$APACHE_GROUP,g;
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+        s,%HORIZON_DIR%,$HORIZON_DIR,g;
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+        s,%APACHE_NAME%,$APACHE_NAME,g;
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+        s,%DEST%,$DEST,g;
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+    \" $FILES/apache-horizon.template >/etc/$APACHE_NAME/$APACHE_CONF"
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+
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+}
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+
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+# install_horizon() - Collect source and prepare
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+function install_horizon() {
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+    # Apache installation, because we mark it NOPRIME
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+    if [[ "$os_PACKAGE" = "deb" ]]; then
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+        # Install apache2, which is NOPRIME'd
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+        install_package apache2 libapache2-mod-wsgi
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+    else
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+        sudo rm -f /etc/httpd/conf.d/000-*
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+        install_package httpd mod_wsgi
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+    fi
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+
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+    # NOTE(sdague) quantal changed the name of the node binary
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+    if [[ "$os_PACKAGE" = "deb" ]]; then
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+        if [[ ! -e "/usr/bin/node" ]]; then
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+            install_package nodejs-legacy
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+        fi
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+    fi
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+
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+    git_clone $HORIZON_REPO $HORIZON_DIR $HORIZON_BRANCH $HORIZON_TAG
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+}
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+
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+# start_horizon() - Start running processes, including screen
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+function start_horizon() {
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+    restart_service $APACHE_NAME
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+    screen_it horizon "cd $HORIZON_DIR && sudo tail -f /var/log/$APACHE_NAME/horizon_error.log"
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+}
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+
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+# stop_horizon() - Stop running processes (non-screen)
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+function stop_horizon() {
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+    stop_service apache2
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+}
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+
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+# Restore xtrace
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+$XTRACE
... ...
@@ -306,6 +306,7 @@ SERVICE_TIMEOUT=${SERVICE_TIMEOUT:-60}
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 # ==================
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 # Get project function libraries
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+source $TOP_DIR/lib/horizon
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 source $TOP_DIR/lib/keystone
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 source $TOP_DIR/lib/glance
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 source $TOP_DIR/lib/nova
... ...
@@ -568,15 +569,6 @@ read_password ADMIN_PASSWORD "ENTER A PASSWORD TO USE FOR HORIZON AND KEYSTONE (
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 SERVICE_TENANT_NAME=${SERVICE_TENANT_NAME:-service}
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-# Horizon
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-# -------
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-
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-# Allow overriding the default Apache user and group, default both to
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-# current user.
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-APACHE_USER=${APACHE_USER:-$USER}
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-APACHE_GROUP=${APACHE_GROUP:-$APACHE_USER}
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-
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-
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 # Log files
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 # ---------
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... ...
@@ -756,16 +748,6 @@ if is_service_enabled $DATABASE_BACKENDS; then
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     install_database
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 fi
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-if is_service_enabled horizon; then
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-    if [[ "$os_PACKAGE" = "deb" ]]; then
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-        # Install apache2, which is NOPRIME'd
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-        install_package apache2 libapache2-mod-wsgi
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-    else
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-        sudo rm -f /etc/httpd/conf.d/000-*
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-        install_package httpd mod_wsgi
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-    fi
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-fi
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-
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 if is_service_enabled q-agt; then
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     if is_quantum_ovs_base_plugin "$Q_PLUGIN"; then
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         # Install deps
... ...
@@ -840,8 +822,8 @@ if is_service_enabled n-novnc; then
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     git_clone $NOVNC_REPO $NOVNC_DIR $NOVNC_BRANCH
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 fi
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 if is_service_enabled horizon; then
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-    # django powered web control panel for openstack
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-    git_clone $HORIZON_REPO $HORIZON_DIR $HORIZON_BRANCH $HORIZON_TAG
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+    # dashboard
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+    install_horizon
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 fi
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 if is_service_enabled quantum; then
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     git_clone $QUANTUM_CLIENT_REPO $QUANTUM_CLIENT_DIR $QUANTUM_CLIENT_BRANCH
... ...
@@ -899,7 +881,7 @@ if is_service_enabled nova; then
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     configure_nova
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 fi
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 if is_service_enabled horizon; then
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-    setup_develop $HORIZON_DIR
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+    configure_horizon
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 fi
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 if is_service_enabled quantum; then
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     setup_develop $QUANTUM_CLIENT_DIR
... ...
@@ -1035,48 +1017,8 @@ fi
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 if is_service_enabled horizon; then
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     echo_summary "Configuring and starting Horizon"
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-
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-    # Remove stale session database.
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-    rm -f $HORIZON_DIR/openstack_dashboard/local/dashboard_openstack.sqlite3
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-
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-    # ``local_settings.py`` is used to override horizon default settings.
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-    local_settings=$HORIZON_DIR/openstack_dashboard/local/local_settings.py
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-    cp $FILES/horizon_settings.py $local_settings
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-
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-    # Initialize the horizon database (it stores sessions and notices shown to
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-    # users).  The user system is external (keystone).
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-    cd $HORIZON_DIR
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-    python manage.py syncdb --noinput
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-    cd $TOP_DIR
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-
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-    # Create an empty directory that apache uses as docroot
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-    sudo mkdir -p $HORIZON_DIR/.blackhole
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-
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-    if [[ "$os_PACKAGE" = "deb" ]]; then
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-        APACHE_NAME=apache2
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-        APACHE_CONF=sites-available/horizon
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-        # Clean up the old config name
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-        sudo rm -f /etc/apache2/sites-enabled/000-default
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-        # Be a good citizen and use the distro tools here
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-        sudo touch /etc/$APACHE_NAME/$APACHE_CONF
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-        sudo a2ensite horizon
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-    else
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-        # Install httpd, which is NOPRIME'd
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-        APACHE_NAME=httpd
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-        APACHE_CONF=conf.d/horizon.conf
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-        sudo sed '/^Listen/s/^.*$/Listen 0.0.0.0:80/' -i /etc/httpd/conf/httpd.conf
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-    fi
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-
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-    # Configure apache to run horizon
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-    sudo sh -c "sed -e \"
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-        s,%USER%,$APACHE_USER,g;
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-        s,%GROUP%,$APACHE_GROUP,g;
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-        s,%HORIZON_DIR%,$HORIZON_DIR,g;
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-        s,%APACHE_NAME%,$APACHE_NAME,g;
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-        s,%DEST%,$DEST,g;
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-    \" $FILES/apache-horizon.template >/etc/$APACHE_NAME/$APACHE_CONF"
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-
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-    restart_service $APACHE_NAME
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+    init_horizon
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+    start_horizon
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 fi
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... ...
@@ -1958,7 +1900,7 @@ if is_service_enabled ceilometer; then
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     echo_summary "Starting Ceilometer"
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     start_ceilometer
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 fi
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-screen_it horizon "cd $HORIZON_DIR && sudo tail -f /var/log/$APACHE_NAME/horizon_error.log"
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+
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 screen_it swift "cd $SWIFT_DIR && $SWIFT_DIR/bin/swift-proxy-server ${SWIFT_CONFIG_DIR}/proxy-server.conf -v"
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 # Starting the nova-objectstore only if swift3 service is not enabled.
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@@ -26,6 +26,7 @@ DATA_DIR=${DATA_DIR:-${DEST}/data}
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 # Get project function libraries
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 source $TOP_DIR/lib/cinder
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+source $TOP_DIR/lib/horizon
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 # Determine what system we are running on.  This provides ``os_VENDOR``,
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 # ``os_RELEASE``, ``os_UPDATE``, ``os_PACKAGE``, ``os_CODENAME``
... ...
@@ -51,7 +52,7 @@ fi
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 # Apache has the WSGI processes
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 if is_service_enabled horizon; then
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-    stop_service apache2
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+    stop_horizon
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 fi
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 SCSI_PERSIST_DIR=$CINDER_STATE_PATH/volumes/*