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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
EventBusArn:
Type: AWS::SSM::Parameter::Value<String>
Description: EventBridge Event Bus ARN
EventBusName:
Type: AWS::SSM::Parameter::Value<String>
Description: EventBridge Event Bus Name
OrdersApiUrl:
Type: AWS::SSM::Parameter::Value<String>
Description: Orders API Gateway URL
OrdersApiArn:
Type: AWS::SSM::Parameter::Value<String>
Description: Orders 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: delivery
POWERTOOLS_TRACE_DISABLED: "false"
LOG_LEVEL: !Ref LogLevel
Layers:
- !Sub "arn:aws:lambda:${AWS::Region}:580247275435:layer:LambdaInsightsExtension-Arm64:1"
Resources:
#########
# TABLE #
#########
Table:
Type: AWS::DynamoDB::Table
Properties:
AttributeDefinitions:
- AttributeName: orderId
AttributeType: S
- AttributeName: isNew
AttributeType: S
BillingMode: PAY_PER_REQUEST
KeySchema:
- AttributeName: orderId
KeyType: HASH
GlobalSecondaryIndexes:
- IndexName: orderId-new
KeySchema:
- AttributeName: orderId
KeyType: HASH
- AttributeName: isNew
KeyType: RANGE
Projection:
ProjectionType: ALL
StreamSpecification:
StreamViewType: NEW_AND_OLD_IMAGES
TableParameter:
Type: AWS::SSM::Parameter
Properties:
Name: !Sub /ecommerce/${Environment}/delivery/table/name
Type: String
Value: !Ref Table
#############
# FUNCTIONS #
#############
OnPackageCreatedFunction:
Type: AWS::Serverless::Function
Properties:
CodeUri: src/on_package_created/
Events:
Warehouse:
Type: CloudWatchEvent
Properties:
EventBusName: !Ref EventBusName
Pattern:
source: [ecommerce.warehouse]
detail-type:
- PackageCreated
Environment:
Variables:
ORDERS_API_URL: !Sub "${OrdersApiUrl}/backend/"
EventInvokeConfig:
DestinationConfig:
OnFailure:
Type: SQS
Destination: !GetAtt DeadLetterQueue.Outputs.QueueArn
Policies:
- arn:aws:iam::aws:policy/CloudWatchLambdaInsightsExecutionRolePolicy
- DynamoDBCrudPolicy:
TableName: !Ref Table
# Orders API Gateway
- Version: "2012-10-17"
Statement:
- Effect: Allow
Action: execute-api:Invoke
# Retrieve the order details
Resource: !Sub "${OrdersApiArn}/GET/*"
OnPackageCreatedLogGroup:
Type: AWS::Logs::LogGroup
Properties:
LogGroupName: !Sub "/aws/lambda/${OnPackageCreatedFunction}"
RetentionInDays: !Ref RetentionInDays
TableUpdateFunction:
Type: AWS::Serverless::Function
Properties:
Handler: main.handler
CodeUri: src/table_update/
Events:
DynamoDB:
Type: DynamoDB
Properties:
Stream: !GetAtt Table.StreamArn
StartingPosition: TRIM_HORIZON
DestinationConfig:
OnFailure:
Destination: !GetAtt DeadLetterQueue.Outputs.QueueArn
Policies:
- arn:aws:iam::aws:policy/CloudWatchLambdaInsightsExecutionRolePolicy
- Version: "2012-10-17"
Statement:
- Effect: Allow
Action:
- events:PutEvents
Resource: !Ref EventBusArn
Condition:
StringEquals:
events:source: "ecommerce.delivery"
- Effect: Allow
Action:
- sqs:SendMessage
Resource: !GetAtt DeadLetterQueue.Outputs.QueueArn
TableUpdateLogGroup:
Type: AWS::Logs::LogGroup
Properties:
LogGroupName: !Sub "/aws/lambda/${TableUpdateFunction}"
RetentionInDays: !Ref RetentionInDays
#####################
# DEAD LETTER QUEUE #
#####################
DeadLetterQueue:
Type: AWS::CloudFormation::Stack
Properties:
# The path starts with '../..' as this will be evaluated from the
# delivery/build folder, not the delivery folder.
TemplateURL: ../../shared/templates/dlq.yaml
#############
# 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": "metric",
"x": 0,
"y": 1,
"width": 12,
"height": 3,
"properties": {
"metrics": [
["ecommerce.delivery", "deliveryCreated", "environment", "${Environment}", "service", "delivery", {"color": "#66bb6a", "label": "Delivery Created"}],
["ecommerce.delivery", "deliveryCompleted", "environment", "${Environment}", "service", "delivery", {"color": "#29b6f6", "label": "Delivery Completed"}],
["ecommerce.delivery", "deliveryFailed", "environment", "${Environment}", "service", "delivery", {"color": "#ef5350", "label": "Delivery Failed"}]
],
"view": "singleValue",
"period": 86400,
"stacked": false,
"stat": "Sum",
"region": "${AWS::Region}",
"title": "Deliveries"
}
},
{
"type": "metric",
"x": 12,
"y": 1,
"width": 12,
"height": 3,
"properties": {
"metrics": [
[{"expression": "le1+le2+lt1+lt2", "label": "Lambda Errors", "color": "#66bb6a"}],
[{"expression": "db1+db2", "label": "DynamoDB Errors", "color": "#ffa726"}],
["AWS/Lambda", "Errors", "FunctionName", "${OnPackageCreatedFunction}", {"id": "le1", "visible": false}],
["AWS/Lambda", "Errors", "FunctionName", "${TableUpdateFunction}", {"id": "le2", "visible": false}],
["AWS/Lambda", "Throttles", "FunctionName", "${OnPackageCreatedFunction}", {"id": "lt1", "visible": false}],
["AWS/Lambda", "Throttles", "FunctionName", "${TableUpdateFunction}", {"id": "lt2", "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": "${AWS::Region}",
"title": "Errors"
}
},
{
"type": "text",
"x": 0,
"y": 7,
"width": 24,
"height": 1,
"properties": {
"markdown": "\n# Traffic\n"
}
},
{
"type": "metric",
"x": 0,
"y": 8,
"width": 12,
"height": 6,
"properties": {
"metrics": [
["AWS/Lambda", "Invocations", "FunctionName", "${OnPackageCreatedFunction}", {"color": "#29b6f6", "label": "OnPackageCreated"}],
["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.delivery", "deliveryCreated", "environment", "${Environment}", "service", "delivery", {"color": "#66bb6a", "label": "Delivery Created"}],
["ecommerce.delivery", "deliveryCompleted", "environment", "${Environment}", "service", "delivery", {"color": "#29b6f6", "label": "Delivery Completed"}],
["ecommerce.delivery", "deliveryFailed", "environment", "${Environment}", "service", "delivery", {"color": "#ef5350", "label": "Delivery Failed"}]
],
"view": "timeSeries",
"period": 60,
"stacked": false,
"stat": "Sum",
"region": "${AWS::Region}",
"title": "Deliveries"
}
},
{
"type": "text",
"x": 0,
"y": 14,
"width": 24,
"height": 1,
"properties": {
"markdown": "\n# Latency and Duration\n"
}
},
{
"type": "metric",
"x": 0,
"y": 15,
"width": 10,
"height": 3,
"properties": {
"metrics": [
["AWS/Lambda", "Duration", "FunctionName", "${OnPackageCreatedFunction}", {"color": "#9ccc65", "label": "p50"}],
["...", {"stat": "p90", "color": "#ffee58", "label": "p90"}],
["...", {"stat": "p99", "color": "#ef5350", "label": "p99"}]
],
"view": "singleValue",
"period": 86400,
"stacked": false,
"stat": "p50",
"region": "${AWS::Region}",
"title": "OnPackageCreated Latency"
}
},
{
"type": "metric",
"x": 10,
"y": 15,
"width": 10,
"height": 3,
"properties": {
"metrics": [
["AWS/Lambda", "Duration", "FunctionName", "${TableUpdateFunction}", {"color": "#9ccc65", "label": "p50"}],
["...", {"stat": "p90", "color": "#ffee58", "label": "p90"}],
["...", {"stat": "p99", "color": "#ef5350", "label": "p99"}]
],
"view": "singleValue",
"period": 86400,
"stacked": false,
"stat": "p50",
"region": "${AWS::Region}",
"title": "TableUpdate Latency"
}
},
{
"type": "metric",
"x": 0,
"y": 21,
"width": 10,
"height": 6,
"properties": {
"metrics": [
["AWS/Lambda", "Duration", "FunctionName", "${OnPackageCreatedFunction}", {"color": "#9ccc65", "label": "p50"}],
["...", {"stat": "p90", "color": "#ffee58", "label": "p90"}],
["...", {"stat": "p99", "color": "#ef5350", "label": "p99"}]
],
"view": "timeSeries",
"period": 60,
"stacked": false,
"stat": "p50",
"region": "${AWS::Region}",
"title": "OnPackageCreated Duration"
}
},
{
"type": "metric",
"x": 10,
"y": 21,
"width": 10,
"height": 6,
"properties": {
"metrics": [
["AWS/Lambda", "Duration", "FunctionName", "${TableUpdateFunction}", {"color": "#9ccc65", "label": "p50"}],
["...", {"stat": "p90", "color": "#ffee58", "label": "p90"}],
["...", {"stat": "p99", "color": "#ef5350", "label": "p99"}]
],
"view": "timeSeries",
"period": 60,
"stacked": false,
"stat": "p50",
"region": "${AWS::Region}",
"title": "TableUpdate Duration"
}
},
{
"type": "metric",
"x": 0,
"y": 22,
"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": 22,
"width": 12,
"height": 6,
"properties": {
"metrics": [
["AWS/Lambda", "Duration", "FunctionName", "${OnPackageCreatedFunction}", {"color": "#ec407a", "label": "OnPackageCreated P90"}],
["AWS/Lambda", "Duration", "FunctionName", "${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": 23,
"width": 24,
"height": 1,
"properties": {
"markdown": "\n# Errors\n"
}
},
{
"type": "metric",
"x": 0,
"y": 24,
"width": 8,
"height": 6,
"properties": {
"metrics": [
["AWS/Lambda", "Errors", "FunctionName", "${OnPackageCreatedFunction}", {"color": "#29b6f6", "label": "OnPackageCreated"}],
["AWS/Lambda", "Errors", "FunctionName", "${TableUpdateFunction}", {"color": "#ffa726", "label": "TableUpdate"}]
],
"view": "timeSeries",
"period": 60,
"stacked": false,
"stat": "Sum",
"region": "${AWS::Region}",
"title": "Lambda Errors"
}
},
{
"type": "metric",
"x": 8,
"y": 24,
"width": 8,
"height": 6,
"properties": {
"metrics": [
["AWS/DynamoDB", "UserErrors", "TableName", "${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/${OnPackageCreatedFunction}' | SOURCE '/aws/lambda/${TableUpdateFunction}' | fields @message \n | filter @message like /ERROR/ \n | sort @timestamp desc\n| limit 20\n",
"region": "${AWS::Region}",
"stacked": false,
"view": "table",
"title": "Last 20 errors"
}
}
]
}