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97ffe0711e
Introduced a global configuration flag 'cluster.threshold.enabled'. By default the flag is true. If the value is false, then a VM can be started in a cluster even if the cluster thresholds are crossed. However, for a new VM deployment the cluster threshold will always be honoured.
77 lines
3.5 KiB
Java
77 lines
3.5 KiB
Java
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain 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,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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package com.cloud.deploy;
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import java.util.List;
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import org.apache.cloudstack.framework.config.ConfigKey;
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import com.cloud.exception.InsufficientServerCapacityException;
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import com.cloud.vm.VirtualMachineProfile;
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/**
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*/
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public interface DeploymentClusterPlanner extends DeploymentPlanner {
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static final String ClusterCPUCapacityDisableThresholdCK = "cluster.cpu.allocated.capacity.disablethreshold";
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static final String ClusterMemoryCapacityDisableThresholdCK = "cluster.memory.allocated.capacity.disablethreshold";
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static final String ClusterThresholdEnabledCK = "cluster.threshold.enabled";
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static final ConfigKey<Float> ClusterCPUCapacityDisableThreshold =
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new ConfigKey<Float>(
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Float.class,
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ClusterCPUCapacityDisableThresholdCK,
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"Alert",
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"0.85",
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"Percentage (as a value between 0 and 1) of cpu utilization above which allocators will disable using the cluster for low cpu available. Keep the corresponding notification threshold lower than this to be notified beforehand.",
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true, ConfigKey.Scope.Cluster, null);
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static final ConfigKey<Float> ClusterMemoryCapacityDisableThreshold =
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new ConfigKey<Float>(
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Float.class,
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ClusterMemoryCapacityDisableThresholdCK,
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"Alert",
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"0.85",
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"Percentage (as a value between 0 and 1) of memory utilization above which allocators will disable using the cluster for low memory available. Keep the corresponding notification threshold lower than this to be notified beforehand.",
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true, ConfigKey.Scope.Cluster, null);
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static final ConfigKey<Boolean> ClusterThresholdEnabled =
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new ConfigKey<Boolean>(
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"Advanced",
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Boolean.class,
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ClusterThresholdEnabledCK,
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"true",
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"Enable/Disable cluster thresholds. If disabled, an instance can start in a cluster even though the threshold may be crossed.",
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false,
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ConfigKey.Scope.Zone);
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/**
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* This is called to determine list of possible clusters where a virtual
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* machine can be deployed.
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*
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* @param vm
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* virtual machine.
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* @param plan
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* deployment plan that tells you where it's being deployed to.
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* @param avoid
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* avoid these data centers, pods, clusters, or hosts.
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* @return DeployDestination for that virtual machine.
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*/
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List<Long> orderClusters(VirtualMachineProfile vm, DeploymentPlan plan, ExcludeList avoid) throws InsufficientServerCapacityException;
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PlannerResourceUsage getResourceUsage(VirtualMachineProfile vmProfile, DeploymentPlan plan, ExcludeList avoid) throws InsufficientServerCapacityException;
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}
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