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template.yaml
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template.yaml
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AWSTemplateFormatVersion: "2010-09-09"
Transform: 'AWS::Serverless-2016-10-31'
Parameters:
Environment:
Type: String
Default: dev
Description: Environment name
LogLevel:
Type: String
Default: INFO
RetentionInDays:
Type: Number
Default: 30
Description: CloudWatch Logs retention period for Lambda functions
DeliveryApiUrl:
Type: AWS::SSM::Parameter::Value<String>
Description: Delivery API Gateway URL
DeliveryApiArn:
Type: AWS::SSM::Parameter::Value<String>
Description: Delivery API Gateway ARN
EventBusArn:
Type: AWS::SSM::Parameter::Value<String>
Description: EventBridge Event Bus ARN
EventBusName:
Type: AWS::SSM::Parameter::Value<String>
Description: EventBridge Event Bus Name
PaymentApiUrl:
Type: AWS::SSM::Parameter::Value<String>
Description: Payment API Gateway URL
PaymentApiArn:
Type: AWS::SSM::Parameter::Value<String>
Description: Payment API Gateway ARN
ProductsApiUrl:
Type: AWS::SSM::Parameter::Value<String>
Description: Products API Gateway URL
ProductsApiArn:
Type: AWS::SSM::Parameter::Value<String>
Description: Products API Gateway ARN
Globals:
Function:
Runtime: python3.9
Architectures:
- arm64
Handler: main.handler
Timeout: 30
Tracing: Active
Environment:
Variables:
ENVIRONMENT: !Ref Environment
EVENT_BUS_NAME: !Ref EventBusName
TABLE_NAME: !Ref Table
POWERTOOLS_SERVICE_NAME: orders
POWERTOOLS_TRACE_DISABLED: "false"
LOG_LEVEL: !Ref LogLevel
Layers:
- !Sub "arn:aws:lambda:${AWS::Region}:580247275435:layer:LambdaInsightsExtension-Arm64:1"
Resources:
#########
# TABLE #
#########
Table:
Type: AWS::DynamoDB::Table
Properties:
AttributeDefinitions:
- AttributeName: orderId
AttributeType: S
- AttributeName: userId
AttributeType: S
- AttributeName: createdDate
AttributeType: S
BillingMode: PAY_PER_REQUEST
KeySchema:
- AttributeName: orderId
KeyType: HASH
GlobalSecondaryIndexes:
- IndexName: user
KeySchema:
- AttributeName: userId
KeyType: HASH
- AttributeName: createdDate
KeyType: RANGE
Projection:
ProjectionType: ALL
StreamSpecification:
StreamViewType: NEW_AND_OLD_IMAGES
TableParameter:
Type: AWS::SSM::Parameter
Properties:
Name: !Sub /ecommerce/${Environment}/orders/table/name
Type: String
Value: !Ref Table
#############
# FUNCTIONS #
#############
CreateOrderFunction:
Type: AWS::Serverless::Function
Properties:
CodeUri: src/create_order/
Environment:
Variables:
DELIVERY_API_URL: !Ref DeliveryApiUrl
PAYMENT_API_URL: !Ref PaymentApiUrl
PRODUCTS_API_URL: !Ref ProductsApiUrl
MemorySize: 768
Policies:
- arn:aws:iam::aws:policy/CloudWatchLambdaInsightsExecutionRolePolicy
- Version: "2012-10-17"
Statement:
- Effect: Allow
Action: dynamodb:PutItem
Resource: !GetAtt Table.Arn
- Version: "2012-10-17"
Statement:
- Effect: Allow
Action: execute-api:Invoke
# Retrieve the order details
Resource:
- !Sub "${DeliveryApiArn}/POST/*"
- !Sub "${PaymentApiArn}/POST/*"
- !Sub "${ProductsApiArn}/POST/*"
CreateOrderLogGroup:
Type: AWS::Logs::LogGroup
Properties:
LogGroupName: !Sub "/aws/lambda/${CreateOrderFunction}"
RetentionInDays: !Ref RetentionInDays
CreateOrderArnParameter:
Type: AWS::SSM::Parameter
Properties:
Name: !Sub /ecommerce/${Environment}/orders/create-order/arn
Type: String
Value: !GetAtt CreateOrderFunction.Arn
GetOrderFunction:
Type: AWS::Serverless::Function
Properties:
CodeUri: src/get_order/
MemorySize: 512
Events:
BackendApi:
Type: Api
Properties:
Path: /backend/{orderId}
Method: GET
RestApiId: !Ref Api
Policies:
- arn:aws:iam::aws:policy/CloudWatchLambdaInsightsExecutionRolePolicy
- Version: "2012-10-17"
Statement:
- Effect: Allow
Action: dynamodb:GetItem
Resource:
- !GetAtt Table.Arn
GetOrderLogGroup:
Type: AWS::Logs::LogGroup
Properties:
LogGroupName: !Sub "/aws/lambda/${GetOrderFunction}"
RetentionInDays: !Ref RetentionInDays
TableUpdateFunction:
Type: AWS::Serverless::Function
Properties:
Handler: main.handler
CodeUri: src/table_update/
MemorySize: 384
Events:
DynamoDB:
Type: DynamoDB
Properties:
Stream: !GetAtt Table.StreamArn
StartingPosition: TRIM_HORIZON
DestinationConfig:
OnFailure:
Destination: !GetAtt DeadLetterQueue.Outputs.QueueArn
Policies:
- arn:aws:iam::aws:policy/CloudWatchLambdaInsightsExecutionRolePolicy
- Version: "2012-10-17"
Statement:
- Effect: Allow
Action:
- events:PutEvents
Resource: !Ref EventBusArn
Condition:
StringEquals:
events:source: "ecommerce.orders"
- Effect: Allow
Action:
- sqs:SendMessage
Resource: !GetAtt DeadLetterQueue.Outputs.QueueArn
TableUpdateLogGroup:
Type: AWS::Logs::LogGroup
Properties:
LogGroupName: !Sub "/aws/lambda/${TableUpdateFunction}"
RetentionInDays: !Ref RetentionInDays
OnEventsFunction:
Type: AWS::Serverless::Function
Properties:
CodeUri: src/on_events/
Events:
DeliveryEvents:
Type: CloudWatchEvent
Properties:
EventBusName: !Ref EventBusName
Pattern:
source: [ecommerce.delivery]
detail-type:
- DeliveryCompleted
- DeliveryFailed
WarehouseEvents:
Type: CloudWatchEvent
Properties:
EventBusName: !Ref EventBusName
Pattern:
source: [ecommerce.warehouse]
detail-type:
- PackageCreated
- PackagingFailed
EventInvokeConfig:
# Put failed events on a DLQ
DestinationConfig:
OnFailure:
Type: SQS
Destination: !GetAtt DeadLetterQueue.Outputs.QueueArn
Policies:
- arn:aws:iam::aws:policy/CloudWatchLambdaInsightsExecutionRolePolicy
- Version: "2012-10-17"
Statement:
- Effect: Allow
Action:
- dynamodb:GetItem
- dynamodb:UpdateItem
Resource:
- !GetAtt Table.Arn
Condition:
# Scope down to only allow fetching/changing the status and products
ForAllValues:StringEquals:
dynamodb:Attributes:
- orderId
- products
- status
OnEventsLogGroup:
Type: AWS::Logs::LogGroup
Properties:
LogGroupName: !Sub "/aws/lambda/${OnEventsFunction}"
RetentionInDays: !Ref RetentionInDays
###############
# API GATEWAY #
###############
Api:
Type: AWS::Serverless::Api
Properties:
DefinitionBody:
Fn::Transform:
Name: "AWS::Include"
Parameters:
Location: "resources/openapi.yaml"
EndpointConfiguration: REGIONAL
StageName: prod
TracingEnabled: true
ApiUrlParameter:
Type: AWS::SSM::Parameter
Properties:
Name: !Sub /ecommerce/${Environment}/orders/api/url
Type: String
Value: !Sub "https://${Api}.execute-api.${AWS::Region}.amazonaws.com/prod"
ApiArnParameter:
Type: AWS::SSM::Parameter
Properties:
Name: !Sub /ecommerce/${Environment}/orders/api/arn
Type: String
Value: !Sub "arn:${AWS::Partition}:execute-api:${AWS::Region}:${AWS::AccountId}:${Api}/prod"
#####################
# DEAD LETTER QUEUE #
#####################
DeadLetterQueue:
Type: AWS::CloudFormation::Stack
Properties:
# The path starts with '../..' as this will be evaluated from the
# orders/build folder, not the orders folder.
TemplateURL: ../../shared/templates/dlq.yaml
Parameters:
AlarmAction: !Ref AlarmTopic
#############
# DASHBOARD #
#############
Dashboard:
Type: AWS::CloudWatch::Dashboard
Properties:
DashboardName: !Ref AWS::StackName
DashboardBody: !Sub |
{
"start": "-PT6H",
"periodOverride": "inherit",
"widgets": [
{
"type": "text",
"x": 0,
"y": 0,
"width": 20,
"height": 1,
"properties": {
"markdown": "\n# Key Metrics\n"
}
},
{
"type": "text",
"x": 20,
"y": 0,
"width": 4,
"height": 7,
"properties": {
"markdown": "\n## Useful links\n\n__CloudWatch Logs Insights queries__:\n\n* [Last 100 warning messages](https://${AWS::Region}.console.aws.amazon.com/cloudwatch/home?region=${AWS::Region}#logs-insights:queryDetail=~\\(end~0~start~-21600~timeType~'RELATIVE~unit~'seconds~editorString~'fields*20timestamp*2c*20level*2c*20message.orderId*20as*20orderId*2c*20message.message*20as*20message*0a*7c*20filter*20level*20*3d*3d*20*22WARNING*22*0a*7c*20sort*20*40timestamp*20desc*0a*7c*20limit*2020*0a~isLiveTail~false~queryId~'38d167e2-e680-4dc3-80fc-411dbd93a317~source~(~'*2faws*2flambda*2f${CreateOrderFunction}~'*2faws*2flambda*2f${GetOrderFunction}~'*2faws*2flambda*2f${OnEventsFunction}~'*2faws*2flambda*2f${TableUpdateFunction})\\))\n\n__Other links__:\n\n* [Repository](https://github.com/aws-samples/aws-serverless-ecommerce-platform/tree/main/orders)\n"
}
},
{
"type": "metric",
"x": 0,
"y": 1,
"width": 10,
"height": 3,
"properties": {
"metrics": [
["ecommerce.orders", "orderCreated", "environment", "${Environment}", "service", "orders", {"color": "#29b6f6", "label": "Orders Created"}],
["ecommerce.orders", "orderFulfilled", "environment", "${Environment}", "service", "orders", {"color": "#66bb6a", "label": "Orders Fulfilled"}],
["ecommerce.orders", "orderFailed", "environment", "${Environment}", "service", "orders", {"color": "#ef5350", "label": "Orders Failed"}]
],
"view": "singleValue",
"period": 86400,
"stacked": false,
"stat": "Sum",
"region": "${AWS::Region}",
"title": "Orders"
}
},
{
"type": "metric",
"x": 10,
"y": 1,
"width": 10,
"height": 3,
"properties": {
"metrics": [
[{"expression": "le1+le2+le3+le4+lt1+lt2+lt3+lt4", "label": "Lambda Errors", "color": "#66bb6a"}],
[{"expression": "ag1", "label": "API Gateway 5XX", "color": "#ef5350"}],
[{"expression": "db1+db2", "label": "DynamoDB Errors", "color": "#ffa726"}],
["AWS/Lambda", "Errors", "FunctionName", "${CreateOrderFunction}", {"id": "le1", "visible": false}],
["AWS/Lambda", "Errors", "FunctionName", "${GetOrderFunction}", {"id": "le2", "visible": false}],
["AWS/Lambda", "Errors", "FunctionName", "${OnEventsFunction}", {"id": "le3", "visible": false}],
["AWS/Lambda", "Errors", "FunctionName", "${TableUpdateFunction}", {"id": "le4", "visible": false}],
["AWS/Lambda", "Throttles", "FunctionName", "${CreateOrderFunction}", {"id": "lt1", "visible": false}],
["AWS/Lambda", "Throttles", "FunctionName", "${GetOrderFunction}", {"id": "lt2", "visible": false}],
["AWS/Lambda", "Throttles", "FunctionName", "${OnEventsFunction}", {"id": "lt3", "visible": false}],
["AWS/Lambda", "Throttles", "FunctionName", "${TableUpdateFunction}", {"id": "lt4", "visible": false}],
["AWS/ApiGateway", "5XXError", "ApiName", "${AWS::StackName}-api", {"id": "ag1", "visible": false}],
["AWS/DynamoDB", "UserErrors", "TableName", "${Table}", {"id": "db1", "visible": false}],
["AWS/DynamoDB", "SystemErrors", "TableName", "${Table}", {"id": "db2", "visible": false}]
],
"view": "singleValue",
"period": 86400,
"stacked": false,
"stat": "Sum",
"region": "${AWS::Region}",
"title": "Errors"
}
},
{
"type": "metric",
"x": 0,
"y": 4,
"width": 10,
"height": 3,
"properties": {
"metrics": [
["AWS/Lambda", "Duration", "FunctionName", "${CreateOrderFunction}", {"color": "#9ccc65", "label": "p50"}],
["...", {"stat": "p90", "color": "#ffee58", "label": "p90"}],
["...", {"stat": "p99", "color": "#ef5350", "label": "p99"}]
],
"view": "singleValue",
"period": 86400,
"stacked": false,
"stat": "p50",
"region": "${AWS::Region}",
"title": "CreateOrder Latency"
}
},
{
"type": "metric",
"x": 10,
"y": 4,
"width": 10,
"height": 3,
"properties": {
"metrics": [
["AWS/Lambda", "Duration", "FunctionName", "${GetOrderFunction}", {"color": "#9ccc65", "label": "p50"}],
["...", {"stat": "p90", "color": "#ffee58", "label": "p90"}],
["...", {"stat": "p99", "color": "#ef5350", "label": "p99"}]
],
"view": "singleValue",
"period": 86400,
"stacked": false,
"stat": "p50",
"region": "${AWS::Region}",
"title": "GetOrder Latency"
}
},
{
"type": "text",
"x": 0,
"y": 7,
"width": 24,
"height": 1,
"properties": {
"markdown": "\n# Traffic\n"
}
},
{
"type": "metric",
"x": 0,
"y": 8,
"width": 12,
"height": 6,
"properties": {
"metrics": [
["AWS/Lambda", "Invocations", "FunctionName", "${CreateOrderFunction}", {"color": "#29b6f6", "label": "CreateOrder"}],
["AWS/Lambda", "Invocations", "FunctionName", "${GetOrderFunction}", {"color": "#66bb6a", "label": "GetOrder"}],
["AWS/Lambda", "Invocations", "FunctionName", "${OnEventsFunction}", {"color": "#ec407a", "label": "OnEvents"}],
["AWS/Lambda", "Invocations", "FunctionName", "${TableUpdateFunction}", {"color": "#ffa726", "label": "TableUpdate"}]
],
"view": "timeSeries",
"period": 60,
"stacked": false,
"stat": "Sum",
"region": "${AWS::Region}",
"title": "Requests"
}
},
{
"type": "metric",
"x": 12,
"y": 8,
"width": 12,
"height": 6,
"properties": {
"metrics": [
["ecommerce.orders", "orderCreated", "environment", "${Environment}", "service", "orders", {"color": "#29b6f6", "label": "Orders Created"}],
["ecommerce.orders", "orderPackaged", "environment", "${Environment}", "service", "orders", {"color": "#ffa726", "label": "Orders Packaged"}],
["ecommerce.orders", "orderFulfilled", "environment", "${Environment}", "service", "orders", {"color": "#66bb6a", "label": "Orders Fulfilled"}],
["ecommerce.orders", "orderFailed", "environment", "${Environment}", "service", "orders", {"color": "#ef5350", "label": "Orders Failed"}]
],
"view": "timeSeries",
"period": 60,
"stacked": false,
"stat": "Sum",
"region": "${AWS::Region}",
"title": "Orders"
}
},
{
"type": "text",
"x": 0,
"y": 14,
"width": 24,
"height": 1,
"properties": {
"markdown": "\n# Latency and Duration\n"
}
},
{
"type": "metric",
"x": 0,
"y": 15,
"width": 8,
"height": 6,
"properties": {
"metrics": [
["AWS/Lambda", "Duration", "FunctionName", "${CreateOrderFunction}", {"color": "#9ccc65", "label": "p50"}],
["...", {"stat": "p90", "color": "#ffee58", "label": "p90"}],
["...", {"stat": "p99", "color": "#ef5350", "label": "p99"}]
],
"view": "timeSeries",
"period": 60,
"stacked": false,
"stat": "p50",
"region": "${AWS::Region}",
"title": "CreateOrder Duration"
}
},
{
"type": "metric",
"x": 8,
"y": 15,
"width": 8,
"height": 6,
"properties": {
"metrics": [
["AWS/Lambda", "Duration", "FunctionName", "${GetOrderFunction}", {"color": "#9ccc65", "label": "p50"}],
["...", {"stat": "p90", "color": "#ffee58", "label": "p90"}],
["...", {"stat": "p99", "color": "#ef5350", "label": "p99"}]
],
"view": "timeSeries",
"period": 60,
"stacked": false,
"stat": "p50",
"region": "${AWS::Region}",
"title": "GetOrder Duration"
}
},
{
"type": "metric",
"x": 16,
"y": 15,
"width": 8,
"height": 6,
"properties": {
"metrics": [
["AWS/ApiGateway", "Latency", "ApiName", "${AWS::StackName}-api", {"color": "#9ccc65", "label": "p50"}],
["...", {"stat": "p90", "color": "#ffee58", "label": "p90"}],
["...", {"stat": "p99", "color": "#ef5350", "label": "p99"}]
],
"view": "timeSeries",
"period": 60,
"stacked": false,
"stat": "p50",
"region": "${AWS::Region}",
"title": "API Latency"
}
},
{
"type": "metric",
"x": 0,
"y": 21,
"width": 12,
"height": 6,
"properties": {
"metrics": [
["AWS/DynamoDB", "SuccessfulRequestLatency", "TableName", "${Table}", "Operation", "GetItem", {"color": "#66bb6a", "label": "GetItem"}],
["AWS/DynamoDB", "SuccessfulRequestLatency", "TableName", "${Table}", "Operation", "PutItem", {"color": "#ffa726", "label": "PutItem"}],
["AWS/DynamoDB", "SuccessfulRequestLatency", "TableName", "${Table}", "Operation", "UpdateItem", {"color": "#29b6f6", "label": "UpdateItem"}],
["AWS/DynamoDB", "SuccessfulRequestLatency", "TableName", "${Table}", "Operation", "DeleteItem", {"color": "#ef5350", "label": "DeleteItem"}],
["AWS/DynamoDB", "SuccessfulRequestLatency", "TableName", "${Table}", "Operation", "Query", {"color": "#ec407a", "label": "Query"}]
],
"view": "timeSeries",
"period": 60,
"stacked": false,
"stat": "Average",
"region": "${AWS::Region}",
"title": "DynamoDB Latency"
}
},
{
"type": "metric",
"x": 12,
"y": 21,
"width": 12,
"height": 6,
"properties": {
"metrics": [
["AWS/Lambda", "Duration", "FunctionName", "${OnEventsFunction}", {"color": "#ec407a", "label": "OnEvents P90"}],
["AWS/Lambda", "Duration", "FunctionName", "${TableUpdateFunction}", {"color": "#ffa726", "label": "TableUpdate P90"}],
["AWS/Lambda", "IteratorAge", "FunctionName", "${TableUpdateFunction}", {"color": "#ff7043", "stat": "Average", "label": "TableUpdate Iterator Age"}]
],
"view": "timeSeries",
"period": 60,
"stacked": false,
"stat": "p90",
"region": "${AWS::Region}",
"title": "Asynchronous Durations"
}
},
{
"type": "text",
"x": 0,
"y": 22,
"width": 24,
"height": 1,
"properties": {
"markdown": "\n# Errors\n"
}
},
{
"type": "metric",
"x": 0,
"y": 23,
"width": 8,
"height": 6,
"properties": {
"metrics": [
["AWS/Lambda", "Errors", "FunctionName", "${CreateOrderFunction}", {"color": "#29b6f6", "label": "CreateOrder"}],
["AWS/Lambda", "Errors", "FunctionName", "${GetOrderFunction}", {"color": "#66bb6a", "label": "GetOrder"}],
["AWS/Lambda", "Errors", "FunctionName", "${OnEventsFunction}", {"color": "#ec407a", "label": "OnEvents"}],
["AWS/Lambda", "Errors", "FunctionName", "${TableUpdateFunction}", {"color": "#ffa726", "label": "TableUpdate"}]
],
"view": "timeSeries",
"period": 60,
"stacked": false,
"stat": "Sum",
"region": "${AWS::Region}",
"title": "Lambda Errors"
}
},
{
"type": "metric",
"x": 8,
"y": 23,
"width": 8,
"height": 6,
"properties": {
"metrics": [
["AWS/ApiGateway", "4XXError", "ApiName", "${AWS::StackName}-api", {"color": "#ffa726", "label": "4XX Errors"}],
["AWS/ApiGateway", "5XXError", "ApiName", "${AWS::StackName}-api", {"color": "#ef5350", "label": "5XX Errors"}]
],
"view": "timeSeries",
"period": 60,
"stacked": false,
"stat": "Sum",
"region": "${AWS::Region}",
"title": "API Errors"
}
},
{
"type": "metric",
"x": 16,
"y": 23,
"width": 8,
"height": 6,
"properties": {
"metrics": [
["AWS/DynamoDB", "UserErrors", "TableName", "${Table}", {"color": "#ffa726", "label": "User Errors"}],
["AWS/DynamoDB", "SystemErrors", "TableName", "${Table}", {"color": "#ef5350", "label": "System Errors"}]
],
"view": "timeSeries",
"period": 60,
"stacked": false,
"stat": "Sum",
"region": "${AWS::Region}",
"title": "DynamoDB Errors"
}
},
{
"type": "log",
"x": 0,
"y": 29,
"width": 24,
"height": 6,
"properties": {
"query": "SOURCE '/aws/lambda/${CreateOrderFunction}' | SOURCE '/aws/lambda/${GetOrderFunction}' | SOURCE '/aws/lambda/${OnEventsFunction}' | SOURCE '/aws/lambda/${TableUpdateFunction}' | fields timestamp, level, message.orderId, message.message as message as orderId \n| filter level == \"ERROR\"\n| sort @timestamp desc\n| limit 20\n",
"region": "eu-west-1",
"stacked": false,
"view": "table",
"title": "Last 20 errors"
}
}
]
}
##########
# ALARMS #
##########
AlarmTopic:
Type: AWS::SNS::Topic
Properties:
DisplayName: Orders Alarm
ApiGateway4XXErrorsAlarm:
Type: AWS::CloudWatch::Alarm
Properties:
AlarmActions:
- !Ref AlarmTopic
AlarmDescription: |
API Gateway 4XX Errors > 1%
ComparisonOperator: GreaterThanThreshold
DatapointsToAlarm: 1
EvaluationPeriods: 6
Metrics:
- Id: s1
Expression: m1/m2*100
- Id: m1
MetricStat:
Metric:
Dimensions:
- Name: ApiName
Value: !Sub "${AWS::StackName}-api"
MetricName: 4XXError
Namespace: AWS/ApiGateway
Period: 300
Stat: Sum
ReturnData: false
- Id: m2
MetricStat:
Metric:
Dimensions:
- Name: ApiName
Value: !Sub "${AWS::StackName}-api"
MetricName: Count
Namespace: AWS/ApiGateway
Period: 300
Stat: Sum
ReturnData: false
Threshold: 1
TreatMissingData: notBreaching
ApiGateway5XXErrorsAlarm:
Type: AWS::CloudWatch::Alarm
Properties:
AlarmActions:
- !Ref AlarmTopic
AlarmDescription: |
API Gateway 5XX Errors > 0
ComparisonOperator: GreaterThanThreshold
DatapointsToAlarm: 1
Dimensions:
- Name: ApiName
Value: !Sub "${AWS::StackName}-api"
EvaluationPeriods: 6
ExtendedStatistic: p99
MetricName: 5XXError
Namespace: AWS/ApiGateway
Period: 300
Threshold: 0
TreatMissingData: notBreaching
ApiGatewayP99LatencyAlarm:
Type: AWS::CloudWatch::Alarm
Properties:
AlarmActions:
- !Ref AlarmTopic
AlarmDescription: |
API p99 latency alarm >= 1s
ComparisonOperator: GreaterThanOrEqualToThreshold
DatapointsToAlarm: 1
Dimensions:
- Name: FunctionName
Value: !Sub "${AWS::StackName}-api"
EvaluationPeriods: 6
ExtendedStatistic: p99
MetricName: Latency
Namespace: AWS/ApiGateway
Period: 300
Threshold: 1000
TreatMissingData: notBreaching
DynamoDBErrorsAlarm:
Type: AWS::CloudWatch::Alarm
Properties:
AlarmActions:
- !Ref AlarmTopic
AlarmDescription: |
DynamoDB Errors > 0
ComparisonOperator: GreaterThanThreshold
DatapointsToAlarm: 1
EvaluationPeriods: 6
Metrics:
- Id: s1
Expression: m1+m2
- Id: m1
MetricStat:
Metric:
Dimensions:
- Name: TableName
Value: !Ref Table
MetricName: UserErrors
Namespace: AWS/DynamoDB
Period: 300
Stat: Sum
ReturnData: false
- Id: m2
MetricStat:
Metric:
Dimensions:
- Name: TableName
Value: !Ref Table
MetricName: SystemErrors
Namespace: AWS/DynamoDB
Period: 300
Stat: Sum
ReturnData: false
Threshold: 0
TreatMissingData: notBreaching
LambdaErrorsAlarm:
Type: AWS::CloudWatch::Alarm
Properties:
AlarmActions:
- !Ref AlarmTopic
AlarmDescription: |
Lambda Errors > 0
ComparisonOperator: GreaterThanThreshold
DatapointsToAlarm: 1
EvaluationPeriods: 6
Metrics:
- Id: s1
Expression: m1+m2+m3+m4
- Id: m1
MetricStat:
Metric:
Dimensions:
- Name: FunctionName
Value: !Ref CreateOrderFunction
MetricName: Errors
Namespace: AWS/Lambda
Period: 300
Stat: Sum
ReturnData: false
- Id: m2
MetricStat:
Metric:
Dimensions:
- Name: FunctionName
Value: !Ref GetOrderFunction
MetricName: Errors
Namespace: AWS/Lambda
Period: 300
Stat: Sum
ReturnData: false
- Id: m3
MetricStat:
Metric:
Dimensions:
- Name: FunctionName
Value: !Ref OnEventsFunction
MetricName: Errors
Namespace: AWS/Lambda
Period: 300
Stat: Sum
ReturnData: false
- Id: m4
MetricStat:
Metric:
Dimensions:
- Name: FunctionName
Value: !Ref TableUpdateFunction
MetricName: Errors
Namespace: AWS/Lambda
Period: 300
Stat: Sum
ReturnData: false
Threshold: 0
TreatMissingData: notBreaching
LambdaThrottlesAlarm:
Type: AWS::CloudWatch::Alarm
Properties:
AlarmActions:
- !Ref AlarmTopic
AlarmDescription: |
Lambda Throttles > 0
ComparisonOperator: GreaterThanThreshold
DatapointsToAlarm: 1
EvaluationPeriods: 6
Metrics:
- Id: s1
Expression: m1+m2+m3+m4
- Id: m1
MetricStat:
Metric:
Dimensions:
- Name: FunctionName
Value: !Ref CreateOrderFunction
MetricName: Throttles
Namespace: AWS/Lambda
Period: 300
Stat: Sum
ReturnData: false
- Id: m2
MetricStat:
Metric:
Dimensions:
- Name: FunctionName
Value: !Ref GetOrderFunction
MetricName: Throttles
Namespace: AWS/Lambda
Period: 300
Stat: Sum
ReturnData: false
- Id: m3
MetricStat:
Metric:
Dimensions:
- Name: FunctionName
Value: !Ref OnEventsFunction
MetricName: Throttles
Namespace: AWS/Lambda
Period: 300
Stat: Sum
ReturnData: false
- Id: m4
MetricStat:
Metric:
Dimensions:
- Name: FunctionName
Value: !Ref TableUpdateFunction
MetricName: Throttles
Namespace: AWS/Lambda
Period: 300
Stat: Sum
ReturnData: false
Threshold: 0
TreatMissingData: notBreaching
CreateOrderP99LatencyAlarm:
Type: AWS::CloudWatch::Alarm
Properties:
AlarmActions:
- !Ref AlarmTopic
AlarmDescription: |
CreateOrder p99 latency alarm >= 5s
ComparisonOperator: GreaterThanOrEqualToThreshold
DatapointsToAlarm: 1
Dimensions:
- Name: FunctionName
Value: !Ref CreateOrderFunction
EvaluationPeriods: 6
ExtendedStatistic: p99
MetricName: Duration
Namespace: AWS/Lambda
Period: 300
Threshold: 5000
TreatMissingData: notBreaching
GetOrderP99LatencyAlarm:
Type: AWS::CloudWatch::Alarm
Properties:
AlarmActions:
- !Ref AlarmTopic
AlarmDescription: |
GetOrder p99 latency alarm >= 1s
ComparisonOperator: GreaterThanOrEqualToThreshold
DatapointsToAlarm: 1
Dimensions:
- Name: FunctionName
Value: !Ref GetOrderFunction
EvaluationPeriods: 6
ExtendedStatistic: p99
MetricName: Duration
Namespace: AWS/Lambda
Period: 300
Threshold: 1000
TreatMissingData: notBreaching
OrderCreatedAnomalyDetector:
Type: AWS::CloudWatch::AnomalyDetector
Properties:
MetricName: orderCreated
Dimensions:
- Name: environment
Value: !Ref Environment
- Name: service
Value: orders
Namespace: ecommerce.orders
Stat: Sum
OrderCreatedAnomalyAlarm:
Type: AWS::CloudWatch::Alarm
Properties:
AlarmActions:
- !Ref AlarmTopic
AlarmDescription: |
Anomaly on the number of orders created
ComparisonOperator: LessThanLowerOrGreaterThanUpperThreshold
EvaluationPeriods: 6
Metrics:
- Expression: ANOMALY_DETECTION_BAND(m1, 2)
Id: ad1
- Id: m1
MetricStat:
Metric: