235 lines
11 KiB
Python
235 lines
11 KiB
Python
# Copyright 2016 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from fuelweb_test.helpers.decorators import log_snapshot_after_test
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from fuelweb_test import logger
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from proboscis import test
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from stacklight_tests.toolchain import api
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OKAY_STATUS = 0
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WARNING_STATUS = 1
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UNKNOWN_STATUS = 2
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CRITICAL_STATUS = 3
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DOWN_STATUS = 4
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WARNING_PERCENT = 91
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CRITICAL_PERCENT = 96
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RABBITMQ_DISK_WARNING_PERCENT = 99.99
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RABBITMQ_DISK_CRITICAL_PERCENT = 100
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RABBITMQ_MEMORY_WARNING_VALUE = 1.01
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RABBITMQ_MEMORY_CRITICAL_VALUE = 1.0001
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@test(groups=["plugins"])
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class TestToolchainAlarms(api.ToolchainApi):
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"""Class for testing built-in StackLight Collector alarms.
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"""
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def _check_filesystem_alarms(self, nailgun_node, filesystem, source,
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filename, node_role, alarm_type="node"):
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self.check_alarms(alarm_type, node_role, source,
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nailgun_node["hostname"], OKAY_STATUS)
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with self.fuel_web.get_ssh_for_nailgun_node(nailgun_node) as remote:
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self.remote_ops.fill_up_filesystem(
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remote, filesystem, WARNING_PERCENT, filename)
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logger.info("Checking {}-warning alarm".format(source))
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self.check_alarms(alarm_type, node_role, source,
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nailgun_node["hostname"], WARNING_STATUS)
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self.remote_ops.clean_filesystem(remote, filename)
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self.check_alarms(alarm_type, node_role,
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source, nailgun_node["hostname"], OKAY_STATUS)
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self.remote_ops.fill_up_filesystem(
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remote, filesystem, CRITICAL_PERCENT, filename)
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logger.info("Checking {}-critical alarm".format(source))
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self.check_alarms(alarm_type, node_role, source,
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nailgun_node["hostname"], CRITICAL_STATUS)
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self.remote_ops.clean_filesystem(remote, filename)
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self.check_alarms(alarm_type, node_role, source,
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nailgun_node["hostname"], OKAY_STATUS)
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def _check_rabbit_mq_disk_alarms(self, controller, status, percent):
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cmd = ("rabbitmqctl set_disk_free_limit $(df | grep /dev/dm-4 | "
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"awk '{{ printf(\"%.0f\\n\", 1024 * ((($3 + $4) * "
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"{percent} / 100) - $3))}}')")
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self.check_alarms("service", "rabbitmq", "disk",
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controller["hostname"], OKAY_STATUS)
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with self.fuel_web.get_ssh_for_nailgun_node(controller) as remote:
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default_value = remote.check_call(
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"rabbitmqctl environment | grep disk_free_limit | "
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"sed -r 's/}.+//' | sed 's|.*,||'")['stdout'][0].rstrip()
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remote.check_call(cmd.format(percent=percent))
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self.check_alarms("service", "rabbitmq", "disk",
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controller["hostname"], status)
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remote.check_call("rabbitmqctl set_disk_free_limit {}".format(
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default_value))
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self.check_alarms("service", "rabbitmq", "disk",
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controller["hostname"], OKAY_STATUS)
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def _check_rabbit_mq_memory_alarms(self, controller, status, value):
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cmd = "rabbitmqctl set_vm_memory_high_watermark absolute \"{memory}\""
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self.check_alarms("service", "rabbitmq", "memory",
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controller["hostname"], OKAY_STATUS)
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with self.fuel_web.get_ssh_for_nailgun_node(controller) as remote:
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default_value = remote.check_call(
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"rabbitmqctl environment | grep disk_free_limit | "
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"sed -r 's/}.+//' | sed 's|.*,||'")['stdout'][0].rstrip()
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mem_usage = self.get_rabbitmq_memory_usage()
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remote.check_call(cmd.format(memory=int(mem_usage * value)))
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self.check_alarms("service", "rabbitmq", "memory",
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controller["hostname"], status)
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self.set_rabbitmq_memory_watermark(controller, default_value)
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self.check_alarms("service", "rabbitmq", "memory",
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controller["hostname"], OKAY_STATUS)
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@test(depends_on_groups=["deploy_toolchain"],
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groups=["check_mysql_fs_alarms", "toolchain", "alarms"])
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@log_snapshot_after_test
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def check_mysql_fs_alarms(self):
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"""Check that mysql-fs-warning and mysql-fs-critical alarms work as
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expected.
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Scenario:
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1. Fill up /var/lib/mysql filesystem to 91 percent.
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2. Check the last value of the warning alarm in InfluxDB.
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3. Clean the filesystem.
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4. Fill up /var/lib/mysql filesystem to 96 percent.
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5. Check the last value of the critical alarm in InfluxDB.
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6. Clean the filesystem.
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Duration 10m
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"""
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self.env.revert_snapshot("deploy_toolchain")
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controller = self.fuel_web.get_nailgun_cluster_nodes_by_roles(
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self.helpers.cluster_id, ["controller"])[0]
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self._check_filesystem_alarms(
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controller, "/dev/mapper/mysql-root", "mysql-fs",
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"/var/lib/mysql/test/bigfile", "mysql-nodes")
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@test(depends_on_groups=["deploy_toolchain"],
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groups=["check_rabbitmq_disk_alarm", "toolchain", "alarms"])
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@log_snapshot_after_test
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def check_rabbitmq_disk_alarm(self):
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"""Check that rabbitmq-disk-limit-warning and
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rabbitmq-disk-limit-critical alarms work as expected.
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Scenario:
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1. Check the last value of the okay alarm in InfluxDB.
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2. Set RabbitMQ disk limit to 99.99 percent of available space.
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3. Check the last value of the warning alarm in InfluxDB.
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4. Set RabbitMQ disk limit to the default value.
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5. Check the last value of the okay alarm in InfluxDB.
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6. Set RabbitMQ disk limit to 100 percent of available space.
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7. Check the last value of the critical alarm in InfluxDB.
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8. Set RabbitMQ disk limit to the default value.
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9. Check the last value of the okay alarm in InfluxDB.
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Duration 10m
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"""
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self.env.revert_snapshot("deploy_toolchain")
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controller = self.fuel_web.get_nailgun_cluster_nodes_by_roles(
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self.helpers.cluster_id, ["controller"])[0]
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self._check_rabbit_mq_disk_alarms(controller, WARNING_STATUS,
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RABBITMQ_DISK_WARNING_PERCENT)
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self._check_rabbit_mq_disk_alarms(controller, CRITICAL_STATUS,
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RABBITMQ_DISK_CRITICAL_PERCENT)
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@test(depends_on_groups=["deploy_toolchain"],
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groups=["check_rabbitmq_memory_alarm", "toolchain",
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"alarms"])
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@log_snapshot_after_test
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def check_rabbitmq_memory_alarm(self):
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"""Check that rabbitmq-memory-limit-warning and
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rabbitmq-memory-limit-critical alarms work as expected.
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Scenario:
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1. Check the last value of the okay alarm in InfluxDB.
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2. Set RabbitMQ memory limit to 101 percent of currently
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used memory.
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3. Check the last value of the warning alarm in InfluxDB.
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4. Set RabbitMQ memory limit to the default value.
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5. Check the last value of the okay alarm in InfluxDB.
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6. Set RabbitMQ memory limit to 100.01 percent of currently
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used memory.
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7. Check the last value of the critical alarm in InfluxDB.
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8. Set RabbitMQ memory limit to the default value.
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9. Check the last value of the okay alarm in InfluxDB.
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Duration 10m
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"""
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self.env.revert_snapshot("deploy_toolchain")
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controller = self.fuel_web.get_nailgun_cluster_nodes_by_roles(
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self.helpers.cluster_id, ["controller"])[0]
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self._check_rabbit_mq_memory_alarms(controller, WARNING_STATUS,
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RABBITMQ_MEMORY_WARNING_VALUE)
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self._check_rabbit_mq_memory_alarms(controller, CRITICAL_STATUS,
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RABBITMQ_MEMORY_CRITICAL_VALUE)
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@test(depends_on_groups=["deploy_ha_toolchain"],
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groups=["check_rabbitmq_pacemaker_alarms", "toolchain", "alarms"])
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@log_snapshot_after_test
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def check_rabbitmq_pacemaker_alarms(self):
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"""Check that rabbitmq-pacemaker-* alarms work as expected.
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Scenario:
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1. Stop one slave RabbitMQ instance.
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2. Check that the status of the RabbitMQ cluster is warning.
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3. Stop the second slave RabbitMQ instance.
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4. Check that the status of the RabbitMQ cluster is critical.
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5. Stop the master RabbitMQ instance.
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6. Check that the status of the RabbitMQ cluster is down.
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7. Clear the RabbitMQ resource.
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8. Check that the status of the RabbitMQ cluster is okay.
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Duration 10m
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"""
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def ban_and_check_status(node, status, wait=None):
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with self.fuel_web.get_ssh_for_node(node.name) as remote:
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logger.info("Ban rabbitmq resource on {}".format(node.name))
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self.remote_ops.ban_resource(remote,
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'master_p_rabbitmq-server',
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wait=wait)
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self.check_alarms('service', 'rabbitmq-cluster', 'pacemaker',
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None, status)
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self.env.revert_snapshot("deploy_ha_toolchain")
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self.check_alarms('service', 'rabbitmq-cluster', 'pacemaker',
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None, OKAY_STATUS)
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controllers = self.fuel_web.get_nailgun_cluster_nodes_by_roles(
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self.helpers.cluster_id, ["controller"])
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controller = controllers[0]
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controller_node = self.fuel_web.get_devops_node_by_nailgun_node(
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controller)
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rabbitmq_master = self.fuel_web.get_rabbit_master_node(
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controller_node.name)
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rabbitmq_slaves = self.fuel_web.get_rabbit_slaves_node(
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controller_node.name)
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ban_and_check_status(rabbitmq_slaves[0], WARNING_STATUS, 120)
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ban_and_check_status(rabbitmq_slaves[1], CRITICAL_STATUS, 120)
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# Don't wait for the pcs operation to complete as it will fail since
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# the resource isn't running anywhere
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ban_and_check_status(rabbitmq_master, DOWN_STATUS)
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logger.info("Clear rabbitmq resource")
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with self.fuel_web.get_ssh_for_node(rabbitmq_master.name) as remote:
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self.remote_ops.clear_resource(remote,
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'master_p_rabbitmq-server',
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wait=240)
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self.check_alarms('service', 'rabbitmq-cluster', 'pacemaker',
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None, OKAY_STATUS)
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