func appendDynamicSNSLambda(api *sparta.API, lambdaFunctions []*sparta.LambdaAWSInfo) []*sparta.LambdaAWSInfo {
snsTopicName := sparta.CloudFormationResourceName("SNSDynamicTopic")
lambdaFn := sparta.NewLambda(sparta.IAMRoleDefinition{}, echoDynamicSNSEvent, nil)
lambdaFn.Permissions = append(lambdaFn.Permissions, sparta.SNSPermission{
BasePermission: sparta.BasePermission{
SourceArn: gocf.Ref(snsTopicName),
},
})
lambdaFn.Decorator = func(serviceName string,
lambdaResourceName string,
lambdaResource gocf.LambdaFunction,
resourceMetadata map[string]interface{},
S3Bucket string,
S3Key string,
buildID string,
template *gocf.Template,
context map[string]interface{},
logger *logrus.Logger) error {
template.AddResource(snsTopicName, &gocf.SNSTopic{
DisplayName: gocf.String("Sparta Application SNS topic"),
})
return nil
}
return append(lambdaFunctions, lambdaFn)
}
func appendDynamicS3BucketLambda(api *sparta.API, lambdaFunctions []*sparta.LambdaAWSInfo) []*sparta.LambdaAWSInfo {
s3BucketResourceName := sparta.CloudFormationResourceName("S3DynamicBucket")
lambdaFn := sparta.NewLambda(sparta.IAMRoleDefinition{}, echoS3DynamicBucketEvent, nil)
lambdaFn.Permissions = append(lambdaFn.Permissions, sparta.S3Permission{
BasePermission: sparta.BasePermission{
SourceArn: gocf.Ref(s3BucketResourceName),
},
Events: []string{"s3:ObjectCreated:*", "s3:ObjectRemoved:*"},
})
lambdaFn.DependsOn = append(lambdaFn.DependsOn, s3BucketResourceName)
// Add permission s.t. the lambda function could read from the S3 bucket
lambdaFn.RoleDefinition.Privileges = append(lambdaFn.RoleDefinition.Privileges,
sparta.IAMRolePrivilege{
Actions: []string{"s3:GetObject", "s3:HeadObject"},
Resource: spartaCF.S3AllKeysArnForBucket(gocf.Ref(s3BucketResourceName)),
})
lambdaFn.Decorator = func(serviceName string,
lambdaResourceName string,
lambdaResource gocf.LambdaFunction,
resourceMetadata map[string]interface{},
S3Bucket string,
S3Key string,
buildID string,
template *gocf.Template,
context map[string]interface{},
logger *logrus.Logger) error {
cfResource := template.AddResource(s3BucketResourceName, &gocf.S3Bucket{
AccessControl: gocf.String("PublicRead"),
Tags: []gocf.ResourceTag{
gocf.ResourceTag{
Key: gocf.String("SpecialKey"),
Value: gocf.String("SpecialValue"),
},
},
})
cfResource.DeletionPolicy = "Delete"
return nil
}
return append(lambdaFunctions, lambdaFn)
}