#    Copyright 2016 Mirantis, 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.

from fuelweb_test.helpers.decorators import log_snapshot_after_test
from fuelweb_test import logger
from proboscis import asserts
from proboscis import test

from stacklight_tests.helpers import helpers
from stacklight_tests.influxdb_grafana import (
    plugin_settings as influxdb_settings)
from stacklight_tests import settings
from stacklight_tests.toolchain import api


@test(groups=["plugins"])
class TestToolchainDedicatedEnvironment(api.ToolchainApi):
    """Class for testing that the LMA Toolchain plugins can be installed in an
    dedicated environment.
    """

    @test(depends_on_groups=['prepare_slaves_5'],
          groups=["deploy_standalone_backends", "deploy",
                  "toolchain", "dedicated_environment"])
    @log_snapshot_after_test
    def deploy_standalone_backends(self):
        """Deploy a cluster with the Elasticsearch and InfluxDB backends.

        Scenario:
            1. Create the cluster
            2. Add 3 nodes with the elasticsearch_kibana, influxdb_grafana and
            database roles
            3. Deploy the cluster
            4. Check that backends are running

        Duration 60m
        Snapshot deploy_standalone_backends
        """
        self.check_run("deploy_standalone_backends")

        self.env.revert_snapshot("ready_with_5_slaves")

        # Grafana requires a MySQL server to run
        asserts.assert_is_not_none(
            settings.DETACH_DATABASE_PLUGIN_PATH,
            "DETACH_DATABASE_PLUGIN_PATH variable should be set"
        )

        # Relax the restrictions on the controller role to deploy an
        # environment without OpenStack nodes.
        with self.helpers.env.d_env.get_admin_remote() as remote:
            remote.upload(
                helpers.get_fixture("scripts/update_controller_role.sh"),
                "/tmp")
            remote.check_call(
                "bash -x /tmp/update_controller_role.sh",
                verbose=True)

        # NOTE: in this test case, we don't deploy the LMA Infrastructure
        # Alerting plugin because there is no support for the remote mode on
        # the collector side
        roles = ["elasticsearch_kibana", "influxdb_grafana",
                 "standalone-database"]
        self.disable_plugin(self.LMA_INFRASTRUCTURE_ALERTING)

        self.prepare_plugins()
        self.helpers.prepare_plugin(settings.DETACH_DATABASE_PLUGIN_PATH)

        self.helpers.create_cluster(name='deploy_standalone_backends')

        self.activate_plugins()
        self.helpers.activate_plugin(
            helpers.get_plugin_name(settings.DETACH_DATABASE_PLUGIN_PATH),
            helpers.get_plugin_version(settings.DETACH_DATABASE_PLUGIN_PATH))

        # Don't run OSTF tests because they don't pass with the detach-database
        # plugin
        self.helpers.deploy_cluster({
            'slave-03': roles,
            'slave-04': roles,
            'slave-05': roles
        }, check_services=False)

        self.check_plugins_online()

        self.env.make_snapshot("deploy_standalone_backends",
                               is_make=True)

    @test(depends_on=[deploy_standalone_backends],
          groups=["deploy_env_using_standalone_backends", "deploy",
                  "toolchain", "dedicated_environment"])
    @log_snapshot_after_test
    def deploy_env_using_standalone_backends(self):
        """Deploy an OpenStack cluster using the Elasticsearch and InfluxDB
        backends previously deployed in another environment.

        Scenario:
            1. Create the cluster
            2. Add 1 node with the controller role
            3. Add 1 node with the compute and cinder role
            4. Deploy the cluster
            5. Check that the services are running

        Duration 60m
        Snapshot deploy_env_using_standalone_backends
        """
        self.check_run("deploy_env_using_standalone_backends")

        self.env.revert_snapshot("deploy_standalone_backends")

        logger.info("Existing cluster id: {}".format(self.helpers.cluster_id))

        # Get the IP addresses for the existing environment
        elasticsearch_ip = self.ELASTICSEARCH_KIBANA.get_elasticsearch_vip()
        logger.info("Elasticsearch VIP: {}".format(elasticsearch_ip))
        influxdb_ip = self.INFLUXDB_GRAFANA.get_influxdb_vip()
        logger.info("InfluxDB VIP: {}".format(influxdb_ip))

        self.helpers.create_cluster(
            name="deploy_env_using_standalone_backends"
        )
        logger.info("New cluster id: {}".format(self.helpers.cluster_id))

        self.LMA_COLLECTOR.activate_plugin(options={
            "environment_label/value": "deploy_env_using_standalone_backends",
            "elasticsearch_mode/value": "remote",
            "elasticsearch_address/value": elasticsearch_ip,
            "influxdb_mode/value": "remote",
            "influxdb_address/value": influxdb_ip,
            "influxdb_database/value": "lma",
            "influxdb_user/value": influxdb_settings.influxdb_user,
            "influxdb_password/value": influxdb_settings.influxdb_pass,
            "alerting_mode/value": "local"
        })
        self.disable_plugin(self.ELASTICSEARCH_KIBANA)
        self.disable_plugin(self.INFLUXDB_GRAFANA)
        self.disable_plugin(self.LMA_INFRASTRUCTURE_ALERTING)

        self.helpers.deploy_cluster({
            "slave-01": ["controller"],
            "slave-02": ["compute", "cinder"],
        })

        self.check_plugins_online()

        self.env.make_snapshot("deploy_env_using_standalone_backends",
                               is_make=True)