Add placement with mogan devstack plugin
If nova and placement aren't enabled with devstack, we will install placement with mogan. This is a workaround for standalone mode as placement service is now embeded in nova. Change-Id: I624fdf49170bcae1c7fa88cd34c1154654e02788
This commit is contained in:
Zhenguo Niu
parent
b58a2d26fc
commit
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242
devstack/placement
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242
devstack/placement
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#!/bin/bash
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#
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# Functions to control the configuration and operation of the **Placement** service
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# Dependencies:
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#
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# - ``functions`` file
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# - ``DEST``, ``DATA_DIR``, ``STACK_USER`` must be defined
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# - ``FILES``
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# ``stack.sh`` calls the entry points in this order:
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#
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# - install_placement
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# - cleanup_placement
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# - configure_placement
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# - init_placement
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# - start_placement
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# - stop_placement
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# Defaults
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# --------
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PLACEMENT_REPO=${PLACEMENT_REPO:-${GIT_BASE}/openstack/nova.git}
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PLACEMENT_BRANCH=${PLACEMENT_BRANCH:-master}
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PLACEMENT_DIR=$DEST/nova
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PLACEMENT_CONF_DIR=/etc/nova
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PLACEMENT_CONF=$PLACEMENT_CONF_DIR/nova.conf
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PLACEMENT_AUTH_STRATEGY=${PLACEMENT_AUTH_STRATEGY:-placement}
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PLACEMENT_BIN_DIR=$(get_python_exec_prefix)
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PLACEMENT_UWSGI=$PLACEMENT_BIN_DIR/nova-placement-api
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PLACEMENT_UWSGI_CONF=$PLACEMENT_CONF_DIR/placement-uwsgi.ini
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# The placement service can optionally use a separate database
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# connection. Set PLACEMENT_DB_ENABLED to True to use it.
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# NOTE(cdent): This functionality depends on some code that is not
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# yet merged in nova but is coming soon.
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PLACEMENT_DB_ENABLED=$(trueorfalse False PLACEMENT_DB_ENABLED)
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if is_service_enabled tls-proxy; then
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PLACEMENT_SERVICE_PROTOCOL="https"
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fi
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# Public facing bits
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PLACEMENT_SERVICE_PROTOCOL=${PLACEMENT_SERVICE_PROTOCOL:-$SERVICE_PROTOCOL}
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PLACEMENT_SERVICE_HOST=${PLACEMENT_SERVICE_HOST:-$SERVICE_HOST}
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# Functions
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# ---------
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# cleanup_placement() - 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_placement {
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sudo rm -f $(apache_site_config_for nova-placement-api)
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sudo rm -f $(apache_site_config_for placement-api)
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}
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# _config_placement_apache_wsgi() - Set WSGI config files
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function _config_placement_apache_wsgi {
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local placement_api_apache_conf
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local venv_path=""
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local nova_bin_dir=""
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nova_bin_dir=$(get_python_exec_prefix)
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placement_api_apache_conf=$(apache_site_config_for placement-api)
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sudo cp $FILES/apache-placement-api.template $placement_api_apache_conf
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sudo sed -e "
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s|%APACHE_NAME%|$APACHE_NAME|g;
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s|%PUBLICWSGI%|$nova_bin_dir/nova-placement-api|g;
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s|%SSLENGINE%|$placement_ssl|g;
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s|%SSLCERTFILE%|$placement_certfile|g;
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s|%SSLKEYFILE%|$placement_keyfile|g;
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s|%USER%|$STACK_USER|g;
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s|%VIRTUALENV%|$venv_path|g
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s|%APIWORKERS%|$API_WORKERS|g
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" -i $placement_api_apache_conf
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}
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# configure_placement() - Set config files, create data dirs, etc
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function configure_placement {
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sudo install -d -o $STACK_USER $PLACEMENT_CONF_DIR
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if [ "$PLACEMENT_DB_ENABLED" != False ]; then
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iniset $PLACEMENT_CONF placement_database connection `database_connection_url placement`
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else
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iniset $PLACEMENT_CONF api_database connection `database_connection_url nova_api`
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fi
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# Setup keystone_authtoken section
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iniset ${PLACEMENT_CONF} keystone_authtoken auth_uri ${KEYSTONE_SERVICE_URI}
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iniset ${PLACEMENT_CONF} keystone_authtoken project_domain_name ${SERVICE_DOMAIN_NAME}
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iniset ${PLACEMENT_CONF} keystone_authtoken project_name ${SERVICE_PROJECT_NAME}
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iniset ${PLACEMENT_CONF} keystone_authtoken user_domain_name ${SERVICE_DOMAIN_NAME}
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iniset ${PLACEMENT_CONF} keystone_authtoken username "placement"
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iniset ${PLACEMENT_CONF} keystone_authtoken password ${SERVICE_PASSWORD}
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iniset ${PLACEMENT_CONF} keystone_authtoken auth_url ${KEYSTONE_AUTH_URI}
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iniset ${PLACEMENT_CONF} keystone_authtoken auth_type "password"
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if [[ "$WSGI_MODE" == "uwsgi" ]]; then
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write_uwsgi_config "$PLACEMENT_UWSGI_CONF" "$PLACEMENT_UWSGI" "/placement"
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else
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_config_placement_apache_wsgi
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fi
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}
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# create_placement_accounts() - Set up required placement accounts
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# and service and endpoints.
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function create_placement_accounts {
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create_service_user "placement" "admin"
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local placement_api_url="$PLACEMENT_SERVICE_PROTOCOL://$PLACEMENT_SERVICE_HOST/placement"
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get_or_create_service "placement" "placement" "Placement Service"
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get_or_create_endpoint \
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"placement" \
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"$REGION_NAME" \
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"$placement_api_url"
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}
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# init_placement() - Create service user and endpoints
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# If PLACEMENT_DB_ENABLED is true, create the separate placement db
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# using, for now, the api_db migrations.
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function init_placement {
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if [ "$PLACEMENT_DB_ENABLED" != False ]; then
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recreate_database placement
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time_start "dbsync"
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$MOGAN_BIN_DIR/nova-manage --config-file $PLACEMENT_CONF placement sync
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time_stop "dbsync"
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else
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recreate_database $NOVA_API_DB
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time_start "dbsync"
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$MOGAN_BIN_DIR/nova-manage --config-file $PLACEMENT_CONF api_db sync
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time_stop "dbsync"
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fi
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create_placement_accounts
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}
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# install_placement() - Collect source and prepare
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function install_placement {
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git_clone ${PLACEMENT_REPO} ${PLACEMENT_DIR} ${PLACEMENT_BRANCH}
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setup_develop ${PLACEMENT_DIR}
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install_apache_wsgi
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}
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# devstack run_process will only run enabled services, so before placement
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# is started as a separated service, we call our own run process.
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function run_placement_process {
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local service=$1
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local command="$2"
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local group=$3
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local user=$4
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local name=$service
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time_start "run_process"
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if [[ "$USE_SYSTEMD" = "True" ]]; then
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_run_under_systemd "$name" "$command" "$group" "$user"
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elif [[ "$USE_SCREEN" = "True" ]]; then
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if [[ "$user" == "root" ]]; then
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command="sudo $command"
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fi
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screen_process "$name" "$command" "$group"
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else
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# Spawn directly without screen
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if [[ "$user" == "root" ]]; then
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command="sudo $command"
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fi
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_run_process "$name" "$command" "$group" &
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fi
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time_stop "run_process"
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}
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# stop_placement_process service
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function stop_placement_process {
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local service=$1
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SERVICE_DIR=${SERVICE_DIR:-${DEST}/status}
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if $SYSTEMCTL is-enabled devstack@$service.service; then
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$SYSTEMCTL stop devstack@$service.service
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$SYSTEMCTL disable devstack@$service.service
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fi
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if [[ -r $SERVICE_DIR/$SCREEN_NAME/$service.pid ]]; then
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pkill -g $(cat $SERVICE_DIR/$SCREEN_NAME/$service.pid)
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# oslo.service tends to stop actually shutting down
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# reliably in between releases because someone believes it
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# is dying too early due to some inflight work they
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# have. This is a tension. It happens often enough we're
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# going to just account for it in devstack and assume it
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# doesn't work.
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#
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# Set OSLO_SERVICE_WORKS=True to skip this block
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if [[ -z "$OSLO_SERVICE_WORKS" ]]; then
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# TODO(danms): Remove this double-kill when we have
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# this fixed in all services:
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# https://bugs.launchpad.net/oslo-incubator/+bug/1446583
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sleep 1
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# /bin/true because pkill on a non existent process returns an error
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pkill -g $(cat $SERVICE_DIR/$SCREEN_NAME/$service.pid) || /bin/true
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fi
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rm $SERVICE_DIR/$SCREEN_NAME/$service.pid
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fi
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if [[ "$USE_SCREEN" = "True" ]]; then
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# Clean up the screen window
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screen_stop_service $service
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fi
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}
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# start_placement_api() - Start the API processes ahead of other things
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function start_placement_api {
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if [[ "$WSGI_MODE" == "uwsgi" ]]; then
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run_placement_process "placement-api" "$PLACEMENT_BIN_DIR/uwsgi --ini $PLACEMENT_UWSGI_CONF"
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else
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enable_apache_site placement-api
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restart_apache_server
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tail_log placement-api /var/log/$APACHE_NAME/placement-api.log
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fi
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echo "Waiting for placement-api to start..."
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if ! wait_for_service $SERVICE_TIMEOUT $PLACEMENT_SERVICE_PROTOCOL://$PLACEMENT_SERVICE_HOST/placement; then
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die $LINENO "placement-api did not start"
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fi
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}
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function start_placement {
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start_placement_api
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}
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# stop_placement() - Disable the api service and stop it.
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function stop_placement {
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if [[ "$WSGI_MODE" == "uwsgi" ]]; then
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stop_placement_process "placement-api"
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remove_uwsgi_config "$PLACEMENT_UWSGI_CONF" "$PLACEMENT_UWSGI"
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else
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disable_apache_site placement-api
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restart_apache_server
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fi
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}
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# Tell emacs to use shell-script-mode
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## Local variables:
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## mode: shell-script
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## End:
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@ -11,6 +11,11 @@
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XTRACE=$(set +o | grep xtrace)
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set -o xtrace
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# TODO(zhenguo): Remove this when placement is started as a separate service
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if ! is_service_enabled placement; then
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source $MOGAN_DIR/devstack/placement
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fi
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# Defaults
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# --------
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@ -206,11 +211,12 @@ if is_service_enabled mogan; then
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if [[ "$IRONIC_USE_RESOURCE_CLASSES" == "False" ]]; then
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die "Ironic node resource class is required for Mogan"
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fi
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if ! is_service_enabled placement; then
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die "placement service is required for Mogan"
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fi
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install_mogan
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install_mogan_pythonclient
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# TODO(zhenguo): Remove this when placement is started as a separated service
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if ! is_service_enabled placement; then
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install_placement
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fi
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elif [[ "$1" == "stack" && "$2" == "post-config" ]]; then
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echo_summary "Configuring mogan"
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if is_service_enabled tempest; then
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@ -218,25 +224,41 @@ if is_service_enabled mogan; then
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fi
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configure_mogan
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create_mogan_accounts
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# TODO(zhenguo): Remove this when placement is started as a separated service
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if ! is_service_enabled placement; then
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configure_placement
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fi
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elif [[ "$1" == "stack" && "$2" == "extra" ]]; then
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echo_summary "Initializing mogan"
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init_mogan
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start_mogan
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echo_summary "Creating flavor"
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create_flavor
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# TODO(zhenguo): Remove this when placement is started as a separated service
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if ! is_service_enabled placement; then
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init_placement
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start_placement
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fi
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fi
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if [[ "$1" == "unstack" ]]; then
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echo_summary "Shutting down mogan"
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stop_mogan
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# TODO(zhenguo): Remove this when placement is started as a separated service
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if ! is_service_enabled placement; then
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stop_placement
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fi
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fi
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if [[ "$1" == "clean" ]]; then
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echo_summary "Cleaning mogan"
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# TODO(zhenguo): Remove this when placement is started as a separated service
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if ! is_service_enabled placement; then
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cleanup_placement
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fi
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fi
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fi
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# Restore xtrace
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$XTRACE
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@ -8,8 +8,6 @@ enable_service mogan mogan-api mogan-engine mogan-scheduler mogan-consoleauth mo
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# Set up default repos
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MOGAN_REPO=${MOGAN_REPO:-${GIT_BASE}/openstack/mogan.git}
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MOGAN_BRANCH=${MOGAN_BRANCH:-master}
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#MOGAN_DASHBOARD_REPO=${MOGAN_DASHBOARD_REPO:-${GIT_BASE}/openstack/mogan-dashboard.git}
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#MOGAN_DASHBOARD_BRANCH=${MOGAN_DASHBOARD_BRANCH:-${MOGAN_BRANCH}}
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MOGAN_PYTHONCLIENT_REPO=${MOGAN_PYTHONCLIENT_REPO:-${GIT_BASE}/openstack/python-moganclient.git}
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MOGAN_PYTHONCLIENT_BRANCH=${MOGAN_PYTHONCLIENT_BRANCH:-master}
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