223 lines
7.7 KiB
Puppet
223 lines
7.7 KiB
Puppet
#
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# Copyright (C) 2013 eNovance SAS <licensing@enovance.com>
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#
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# Author: Emilien Macchi <emilien.macchi@enovance.com>
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# Francois Charlier <francois.charlier@enovance.com>
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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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#
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# == Class: nova::cells
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#
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# Installs the Nova Cells
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#
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# CELL v1 IS DEPRECATED AND THIS WILL BE REMOVED.
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#
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# === Parameters:
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#
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# [*enabled*]
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# Use Nova Cells or not
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# Defaults to true
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#
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# [*manage_service*]
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# (optional) Whether to start/stop the service
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# Defaults to true
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#
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# [*ensure_package*]
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# Desired ensure state of packages.
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# Defaults to present
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#
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# [*instance_updated_at_threshold*]
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# Number of seconds after an instance was updated or deleted to continue to update cells
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# Defaults to '3600'
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#
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# [*max_hop_count*]
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# Maximum number of hops for cells routing
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# Defaults to '10'
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#
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# [*scheduler*]
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# Cells scheduler to use
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# Defaults to 'nova.cells.scheduler.CellsScheduler'
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#
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# [*instance_update_num_instances*]
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# Number of instances to update per periodic task run
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# Defaults to '1'
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#
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# [*cell_name*]
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# name of this cell
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# Defaults to 'nova'
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#
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# [*cell_parent_name*]
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# * If a child cell, this is the name of the 'parent' cell.
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# * If a parent cell, should be left to undef.
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#
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# [*capabilities*]
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# Key/Multi-value list with the capabilities of the cell
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# Defaults to 'hypervisor=xenserver;kvm,os=linux;windows'
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#
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# [*call_timeout*]
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# Seconds to wait for response from a call to a cell
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# Defaults to '60'
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#
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# [*reserve_percent*]
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# Percentage of cell capacity to hold in reserve. Affects both memory and disk utilization
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# Defaults to '10.0'
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#
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# [*cell_type*]
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# Type of cell: parent or child
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# Defaults to 'None'
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#
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# [*mute_child_interval*]
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# Number of seconds after which a lack of capability and
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# capacity updates signals the child cell is to be treated as a mute
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# Defaults to '300'
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#
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# [*bandwidth_update_interval*]
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# Seconds between bandwidth updates for cells
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# Defaults to '600'
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#
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# [*rpc_driver_queue_base*]
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# Base queue name to use when communicating between cells
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# Various topics by message type will be appended to this
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# Defaults to 'cells.intercell'
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#
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# [*scheduler_filter_classes*]
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# Filter classes the cells scheduler should use
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# Defaults to 'nova.cells.filters.all_filters'
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#
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# [*scheduler_weight_classes*]
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# Weigher classes the cells scheduler should use
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# Defaults to 'nova.cells.weights.all_weighers'
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#
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# [*scheduler_retries*]
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# How many retries when no cells are available
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# Defaults to '10'
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#
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# [*scheduler_retry_delay*]
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# How often to retry in seconds when no cells are available
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# Defaults to '2'
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#
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# [*db_check_interval*]
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# Seconds between getting fresh cell info from db
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# Defaults to '60'
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#
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# [*mute_weight_multiplier*]
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# Multiplier used to weigh mute children (The value should be negative)
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# Defaults to '-10.0'
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#
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# [*mute_weight_value*]
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# Weight value assigned to mute children (The value should be positive)
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# Defaults to '1000.0'
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#
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# [*ram_weight_multiplier*]
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# Multiplier used for weighing ram. Negative numbers mean to stack vs spread
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# Defaults to '10.0'
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#
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# [*weight_offset*]
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# It might be used by some cell scheduling code in the future
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# Defaults to '1.0'
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#
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# [*weight_scale*]
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# It might be used by some cell scheduling code in the future
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# Defaults to '1.0'
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#
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#### DEPRECATED PARAMETERS
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#
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# [*create_cells*]
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# Create cells with nova-manage
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# Defaults to 'True'
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#
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class nova::cells (
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$bandwidth_update_interval = '600',
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$call_timeout = '60',
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$capabilities = ['hypervisor=xenserver;kvm','os=linux;windows'],
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$cell_name = 'nova',
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$cell_type = undef,
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$cell_parent_name = undef,
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$db_check_interval = '60',
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$enabled = true,
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$ensure_package = 'present',
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$instance_updated_at_threshold = '3600',
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$instance_update_num_instances = '1',
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$manage_service = true,
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$max_hop_count = '10',
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$mute_child_interval = '300',
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$mute_weight_multiplier = '-10.0',
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$mute_weight_value = '1000.0',
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$ram_weight_multiplier = '10.0',
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$reserve_percent = '10.0',
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$rpc_driver_queue_base = 'cells.intercell',
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$scheduler_filter_classes = 'nova.cells.filters.all_filters',
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$scheduler = 'nova.cells.scheduler.CellsScheduler',
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$scheduler_retries = '10',
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$scheduler_retry_delay = '2',
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$scheduler_weight_classes = 'nova.cells.weights.all_weighers',
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$weight_offset = '1.0',
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$weight_scale = '1.0',
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## DEPRECATED PARAMETERS
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$create_cells = undef,
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) {
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include ::nova::deps
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include ::nova::params
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warning('nova::cells v1 is deprecated and will be removed in a future release')
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case $cell_type {
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'parent': {
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nova_config { 'DEFAULT/compute_api_class': value => 'nova.compute.cells_api.ComputeCellsAPI' }
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nova_config { 'cells/cell_type': value => 'api' }
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}
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'child': {
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nova_config { 'DEFAULT/quota_driver': value => 'nova.quota.NoopQuotaDriver' }
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nova_config { 'cells/cell_type': value => 'compute' }
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}
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default: { fail("Unsupported cell_type parameter value: '${cell_type}'. Should be 'parent' or 'child'.") }
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}
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nova_config {
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'cells/bandwidth_update_interval': value => $bandwidth_update_interval;
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'cells/call_timeout': value => $call_timeout;
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'cells/capabilities': value => join($capabilities, ',');
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'cells/db_check_interval': value => $db_check_interval;
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'cells/enable': value => $enabled;
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'cells/instance_updated_at_threshold': value => $instance_updated_at_threshold;
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'cells/instance_update_num_instances': value => $instance_update_num_instances;
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'cells/max_hop_count': value => $max_hop_count;
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'cells/mute_child_interval': value => $mute_child_interval;
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'cells/mute_weight_multiplier': value => $mute_weight_multiplier;
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'cells/mute_weight_value': value => $mute_weight_value;
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'cells/name': value => $cell_name;
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'cells/ram_weight_multiplier': value => $ram_weight_multiplier;
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'cells/reserve_percent': value => $reserve_percent;
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'cells/rpc_driver_queue_base': value => $rpc_driver_queue_base;
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'cells/scheduler_filter_classes': value => $scheduler_filter_classes;
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'cells/scheduler_retries': value => $scheduler_retries;
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'cells/scheduler_retry_delay': value => $scheduler_retry_delay;
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'cells/scheduler': value => $scheduler;
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'cells/scheduler_weight_classes': value => $scheduler_weight_classes;
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}
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nova::generic_service { 'cells':
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enabled => $enabled,
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manage_service => $manage_service,
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package_name => $::nova::params::cells_package_name,
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service_name => $::nova::params::cells_service_name,
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ensure_package => $ensure_package,
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}
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if $create_cells {
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warning('cells v1 is deprecated and nova::cells::create_cells has no effect')
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}
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}
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