Difference between revisions of "AWS::CloudWatch::Alarm"
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↑ https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/quickref-cloudwatch.html
↑ https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/quickref-sns.html
| (18 intermediate revisions by 2 users not shown) | |||
| Line 4: | Line 4: | ||
===Autoscaling=== | ===Autoscaling=== | ||
| + | <ref>https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/quickref-cloudwatch.html</ref> | ||
| + | |||
<pre> AppScaleUpPolicy: | <pre> AppScaleUpPolicy: | ||
Type: AWS::AutoScaling::ScalingPolicy | Type: AWS::AutoScaling::ScalingPolicy | ||
| Line 20: | Line 22: | ||
ScalingAdjustment: -1</pre> | ScalingAdjustment: -1</pre> | ||
| − | ===CPU alarm=== | + | === CPU alarm === |
| − | + | CPUAlarmHigh: | |
| − | Type: AWS::CloudWatch::Alarm | + | Type: [[AWS::CloudWatch::Alarm]] |
Properties: | Properties: | ||
AlarmDescription: Scale-up if CPU > 80% for 5 minutes | AlarmDescription: Scale-up if CPU > 80% for 5 minutes | ||
| Line 31: | Line 33: | ||
EvaluationPeriods: 2 | EvaluationPeriods: 2 | ||
Threshold: 80 | Threshold: 80 | ||
| − | AlarmActions: [!Ref AppScaleUpPolicy] | + | [[AlarmActions:]] [!Ref AppScaleUpPolicy] |
Dimensions: | Dimensions: | ||
- Name: AutoScalingGroupName | - Name: AutoScalingGroupName | ||
Value: !Ref DeployAppASG | Value: !Ref DeployAppASG | ||
| − | ComparisonOperator: GreaterThanThreshold | + | ComparisonOperator: GreaterThanThreshold |
| + | |||
| + | https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-cw-alarm.html | ||
| − | + | <pre> CPUAlarmLow: | |
Type: AWS::CloudWatch::Alarm | Type: AWS::CloudWatch::Alarm | ||
Properties: | Properties: | ||
| Line 53: | Line 57: | ||
ComparisonOperator: LessThanThreshold</pre> | ComparisonOperator: LessThanThreshold</pre> | ||
| + | == [[SNS]] == | ||
| + | <ref>https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/quickref-sns.html</ref> | ||
| + | |||
| + | MySNSTopic: | ||
| + | Type: [[AWS::SNS::Topic]] | ||
| + | Properties: | ||
| + | Subscription: | ||
| + | - Endpoint: "add valid email address" | ||
| + | Protocol: email | ||
== See also == | == See also == | ||
| + | * {{Type AWS}} | ||
* {{CloudWatch}} | * {{CloudWatch}} | ||
[[Category:AWS]] | [[Category:AWS]] | ||
Latest revision as of 10:46, 29 September 2021
https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-cw-alarm.html
Contents
Autoscaling[edit]
AppScaleUpPolicy:
Type: AWS::AutoScaling::ScalingPolicy
Properties:
AdjustmentType: ChangeInCapacity
AutoScalingGroupName: !Ref DeployAppASG
Cooldown: '60'
ScalingAdjustment: 1
AppScaleDownPolicy:
Type: AWS::AutoScaling::ScalingPolicy
Properties:
AdjustmentType: ChangeInCapacity
AutoScalingGroupName: !Ref DeployAppASG
Cooldown: '300'
ScalingAdjustment: -1
CPU alarm[edit]
CPUAlarmHigh: Type: AWS::CloudWatch::Alarm Properties: AlarmDescription: Scale-up if CPU > 80% for 5 minutes MetricName: CPUUtilization Namespace: AWS/EC2 Statistic: Average Period: 300 EvaluationPeriods: 2 Threshold: 80 AlarmActions: [!Ref AppScaleUpPolicy] Dimensions: - Name: AutoScalingGroupName Value: !Ref DeployAppASG ComparisonOperator: GreaterThanThreshold
https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-cw-alarm.html
CPUAlarmLow:
Type: AWS::CloudWatch::Alarm
Properties:
AlarmDescription: Scale-down if CPU < 60% for 5 minutes
MetricName: CPUUtilization
Namespace: AWS/EC2
Statistic: Average
Period: 300
EvaluationPeriods: 2
Threshold: 80
AlarmActions: [!Ref AppScaleDownPolicy]
Dimensions:
- Name: AutoScalingGroupName
Value: !Ref DeployAppASG
ComparisonOperator: LessThanThreshold
SNS[edit]
MySNSTopic: Type: AWS::SNS::Topic Properties: Subscription: - Endpoint: "add valid email address" Protocol: email
See also[edit]
Type:,AWS::CloudFormation::Stack,AWS::S3::Bucket,AWS::SNS::Topic,AWS::CloudWatch::Alarm,AWS::CloudWatch::AnomalyDetector,AWS::SNS::Topic- AWS monitoring: AWS CloudWatch: Logs, Logs Insights, Events, Alarms,
aws cloudwatch, aws logs, Amazon CloudWatch Lambda Insights, AWS CloudWatch Container Insights, CloudWatch Dashboard, AWS CloudWatch Automatic Dashboards, Amazon RDS Performance Insights, Amazon CloudWatch Metric Streams, Amazon CloudWatch Lambda Insights,CloudwatchLogsGroup, Amazon CloudWatch Anomaly Detection,cloudwatch kms key id, CloudWatch agent, Amazon CloudWatch Evidently, namespace, Synthetics, Synthetics Canaries, YACE, Prometheus cloudwatch exporter, Amazon CloudWatch Observability Access Manager, Amazon CloudWatch Live Tail
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