#!/bin/bash
#
# Copyright 2020 VEXXHOST, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

CINDER_STATE_PATH=/var/lib/cinder

# configure_cinder() - Set config files, create data dirs, etc
function configure_cinder {
    sudo install -d -o $STACK_USER -m 755 $CINDER_CONF_DIR

    rm -f $CINDER_CONF

    configure_rootwrap cinder
    sudo sed -e "s:^filters_path=.*$:filters_path=/usr/local/etc/cinder/rootwrap.d:" -i $CINDER_CONF_DIR/rootwrap.conf
    cp -p "$CINDER_DIR/etc/cinder/resource_filters.json" "$CINDER_CONF_DIR/resource_filters.json"
    cp $CINDER_DIR/etc/cinder/api-paste.ini $CINDER_API_PASTE_INI

    kubernetes_ensure_resource secret/cinder-application-credential
    CINDER_APPLICATION_CREDENTIAL_SECRET=$(get_data_from_secret cinder-application-credential openstack secret)
    CINDER_APPLICATION_CREDENTIAL_ID=$(get_data_from_secret cinder-application-credential openstack id)
    iniset $CINDER_CONF keystone_authtoken auth_url $KEYSTONE_AUTH_URI_V3
    iniset $CINDER_CONF keystone_authtoken auth_type v3applicationcredential
    iniset $CINDER_CONF keystone_authtoken application_credential_id $CINDER_APPLICATION_CREDENTIAL_ID
    iniset $CINDER_CONF keystone_authtoken application_credential_secret $CINDER_APPLICATION_CREDENTIAL_SECRET

    iniset $CINDER_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL

    # NOTE(Alex): operator stuff
    kubernetes_ensure_resource secret/cinder-mysql
    CINDER_DATABASE_USER=$(get_data_from_secret cinder-mysql openstack USER)
    CINDER_DATABASE_PASSWORD=$(get_data_from_secret cinder-mysql openstack PASSWORD)
    CINDER_DATABASE_NAME=$(get_data_from_secret cinder-mysql openstack DATABASE)
    iniset $CINDER_CONF database connection "mysql+pymysql://$CINDER_DATABASE_USER:$CINDER_DATABASE_PASSWORD@cinder-mysql-master/$CINDER_DATABASE_NAME?charset=utf8"

    iniset $CINDER_CONF DEFAULT api_paste_config $CINDER_API_PASTE_INI
    iniset $CINDER_CONF DEFAULT rootwrap_config "$CINDER_CONF_DIR/rootwrap.conf"
    iniset $CINDER_CONF DEFAULT osapi_volume_extension cinder.api.contrib.standard_extensions
    iniset $CINDER_CONF DEFAULT osapi_volume_listen $CINDER_SERVICE_LISTEN_ADDRESS
    iniset $CINDER_CONF DEFAULT state_path $CINDER_STATE_PATH
    iniset $CINDER_CONF DEFAULT my_ip "$HOST_IP"
    iniset $CINDER_CONF key_manager backend cinder.keymgr.conf_key_mgr.ConfKeyManager
    iniset $CINDER_CONF key_manager fixed_key $(openssl rand -hex 16)

    configure_cinder_backend_ceph ceph
    iniset $CINDER_CONF ceph volume_clear $CINDER_VOLUME_CLEAR
    iniset $CINDER_CONF DEFAULT enabled_backends ceph
    iniset $CINDER_CONF DEFAULT default_volume_type ceph
    configure_cinder_image_volume_cache

    iniset $CINDER_CONF DEFAULT backup_swift_url "$SWIFT_SERVICE_PROTOCOL://$SERVICE_HOST:$SWIFT_DEFAULT_BIND_PORT/v1/AUTH_"
    iniset $CINDER_CONF oslo_messaging_notifications driver "messagingv2"

    # Get rabbitmq password
    kubernetes_ensure_resource secret/cinder-rabbitmq
    CINDER_RABBITMQ_PASSWORD=$(get_data_from_secret cinder-rabbitmq openstack password)
    CINDER_RABBITMQ_USERNAME=$(get_data_from_secret cinder-rabbitmq openstack username)
    iniset_k8s_rpc_backend cinder $CINDER_CONF DEFAULT "rabbit://$CINDER_RABBITMQ_USERNAME:$CINDER_RABBITMQ_PASSWORD@rabbitmq-cinder:5672/"

    if [[ -r $CINDER_PLUGINS/$CINDER_DRIVER ]]; then
        configure_cinder_driver
    fi

    iniset $CINDER_CONF DEFAULT osapi_volume_workers "$API_WORKERS"

    iniset $CINDER_CONF DEFAULT glance_api_servers "http://glance"

    # Set nova credentials (used for os-assisted-snapshots)

    iniset $CINDER_CONF nova auth_type password
    iniset $CINDER_CONF nova auth_url $KEYSTONE_SERVICE_URI
    iniset $CINDER_CONF nova username nova
    iniset $CINDER_CONF nova password $SERVICE_PASSWORD
    iniset $CINDER_CONF nova user_domain_name "$SERVICE_DOMAIN_NAME"
    iniset $CINDER_CONF nova project_name $SERVICE_PROJECT_NAME
    iniset $CINDER_CONF nova project_domain_name "$SERVICE_DOMAIN_NAME"

    iniset $CINDER_CONF nova region_name "$REGION_NAME"
    iniset $CINDER_CONF DEFAULT graceful_shutdown_timeout "$SERVICE_GRACEFUL_SHUTDOWN_TIMEOUT"

}
export -f configure_cinder


# init_cinder() - Initialize database and volume group
function init_cinder {
    echo noop
}

# install_cinder() - Collect source and prepare
function install_cinder {
    echo noop
}

# install_cinderclient() - Collect source and prepare
# NOTE(Alex): I am not sure this function is not overrided if the content is empty.
#             So I remove this function for now in this override lib file.
# function install_cinderclient {
#     echo noop
# }

function cleanup_cinder {
    echo noop
}

# start_cinder() - Start running processes
function start_cinder {

	kubernetes_rollout_restart daemonset/cinder-api
    kubernetes_rollout_restart daemonset/cinder-scheduler
    kubernetes_rollout_restart daemonset/cinder-volume

	kubernetes_rollout_status daemonset/cinder-api
	kubernetes_rollout_status daemonset/cinder-scheduler
	kubernetes_rollout_status daemonset/cinder-volume

	proxy_pass_to_kubernetes /volume cinder cinder-wsgi

    sleep 10
}

# stop_cinder() - Stop running processes
function stop_cinder {
    echo noop
}