前提:
(1) コンソールから service-linked role 作成済
Role Name: AliyunServiceRoleForAutoScaling
Role Policy: AliyunServiceRolePolicyForAutoScaling
(2) ワークベンチから接続するため、セキュリティグループで下記エントリ追加
送信元 100.104.0.0/16 ポート 22
-- 1. Create a scaling group
aliyun ess CreateScalingGroup \
--MaxSize 2 \
--MinSize 1 \
--CompensateWithOnDemand false \
--DefaultCooldown 300 \
--DesiredCapacity 1 \
--GroupDeletionProtection false \
--GroupType ECS \
--HealthCheckType ECS \
--MultiAZPolicy PRIORITY \
--ScalingGroupName asg01 \
--VSwitchId vsw-111111111111111111111
aliyun ess DescribeScalingGroups
aliyun ess DeleteScalingGroup \
--ScalingGroupId asg-11111111111111111111
-- 2. Create a scaling configuration
aliyun ess CreateScalingConfiguration \
--ScalingGroupId asg-11111111111111111111 \
--CreditSpecification Standard \
--DeletionProtection false \
--ImageId aliyun_3_9_x64_20G_alibase_20231219.vhd \
--ImageOptions.LoginAsNonRoot false \
--InstanceType ecs.t5-lc2m1.nano \
--InternetChargeType PayByBandwidth \
--InternetMaxBandwidthIn 1 \
--InternetMaxBandwidthOut 0 \
--KeyPairName alibabakey01 \
--ScalingConfigurationName asc01 \
--SecurityGroupId sg-11111111111111111111 \
--SystemDisk.Category cloud_ssd \
--SystemDisk.Size 20
aliyun ess DescribeScalingConfigurations
aliyun ess EnableScalingGroup \
--ScalingGroupId asg-11111111111111111111 \
--ActiveScalingConfigurationId asc-11111111111111111111
-- 削除する場合
インスタンス最大数をゼロに更新
aliyun ess DisableScalingGroup \
--ScalingGroupId asg-11111111111111111111
aliyun ess DeactivateScalingConfiguration \
--ScalingConfigurationId asc-11111111111111111111
aliyun ess DeleteScalingConfiguration \
--ScalingConfigurationId asc-11111111111111111111
-- 3. Create scaling rules
aliyun ess CreateScalingRule \
--ScalingGroupId asg-11111111111111111111 \
--AdjustmentType QuantityChangeInCapacity \
--AdjustmentValue 1 \
--Cooldown 60 \
--ScalingRuleName asr01 \
--ScalingRuleType SimpleScalingRule
aliyun ess CreateScalingRule \
--ScalingGroupId asg-11111111111111111111 \
--AdjustmentType QuantityChangeInCapacity \
--AdjustmentValue=-1 \
--Cooldown 60 \
--ScalingRuleName asr02 \
--ScalingRuleType SimpleScalingRule
aliyun ess DescribeScalingRules
aliyun ess DeleteScalingRule \
--ScalingRuleId asr-11111111111111111111
aliyun ess DeleteScalingRule \
--ScalingRuleId asr-11111111111111111111
-- 4. Create event-triggered tasks
aliyun ess CreateAlarm \
--ScalingGroupId asg-11111111111111111111 \
--AlarmAction.1 ari:acs:ess:ap-northeast-1:1111111111111111:scalingrule/asr-11111111111111111111 \
--ComparisonOperator ">=" \
--Description alarm01 \
--Dimension.1.DimensionKey scaling_group \
--Dimension.1.DimensionValue asg-11111111111111111111 \
--Dimension.2.DimensionKey userId \
--Dimension.2.DimensionValue 1111111111111111 \
--Effective "* * * * * ?" \
--EvaluationCount 3 \
--Expression.1.ComparisonOperator ">=" \
--Expression.1.MetricName CpuUtilization \
--Expression.1.Period 60 \
--Expression.1.Statistics Average \
--Expression.1.Threshold 80.0 \
--ExpressionsLogicOperator "&&" \
--MetricName CpuUtilization \
--MetricType system \
--Name alarm01 \
--Period 60 \
--Statistics Average \
--Threshold 80.0
aliyun ess CreateAlarm \
--ScalingGroupId asg-11111111111111111111 \
--AlarmAction.1 ari:acs:ess:ap-northeast-1:1111111111111111:scalingrule/asr-11111111111111111111 \
--ComparisonOperator "<=" \
--Description alarm02 \
--Dimension.1.DimensionKey scaling_group \
--Dimension.1.DimensionValue asg-11111111111111111111 \
--Dimension.2.DimensionKey userId \
--Dimension.2.DimensionValue 1111111111111111 \
--Effective "* * * * * ?" \
--EvaluationCount 3 \
--Expression.1.ComparisonOperator "<=" \
--Expression.1.MetricName CpuUtilization \
--Expression.1.Period 60 \
--Expression.1.Statistics Average \
--Expression.1.Threshold 20.0 \
--ExpressionsLogicOperator "&&" \
--MetricName CpuUtilization \
--MetricType system \
--Name alarm02 \
--Period 60 \
--Statistics Average \
--Threshold 20.0
aliyun ess DescribeAlarms
aliyun ess DeleteAlarm \
--AlarmTaskId asg-11111111111111111111_11111111-1111-1111-1111-111111111111
aliyun ess DeleteAlarm \
--AlarmTaskId asg-11111111111111111111_11111111-1111-1111-1111-111111111111
-- 5. 動作確認
yes > /dev/null
