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Allow to collect ALB connection files #164

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Allow to collect ALB connection files #164

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09dd63b
add connection files to recognited files
pserranoa May 26, 2026
7573317
add test file
pserranoa May 27, 2026
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6 changes: 5 additions & 1 deletion pkg/s3.go
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Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,10 @@ var (
// source: https://docs.aws.amazon.com/elasticloadbalancing/latest/application/load-balancer-access-logs.html#access-log-file-format
// format: bucket[/prefix]/AWSLogs/aws-account-id/elasticloadbalancing/region/yyyy/mm/dd/aws-account-id_elasticloadbalancing_region_app.load-balancer-id_end-time_ip-address_random-string.log.gz
// example: my-bucket/AWSLogs/123456789012/elasticloadbalancing/us-east-1/2022/01/24/123456789012_elasticloadbalancing_us-east-1_app.my-loadbalancer.b13ea9d19f16d015_20220124T0000Z_0.0.0.0_2et2e1mx.log.gz
// AWS Application Load Balancers Connection Logs
// source: https://docs.aws.amazon.com/elasticloadbalancing/latest/application/load-balancer-connection-logs.html#connection-log-entry-format
// format: bucket[/prefix]/AWSLogs/aws-account-id/elasticloadbalancing/region/yyyy/mm/dd/conn_log_aws-account-id_elasticloadbalancing_region_app.load-balancer-id_end-time_ip-address_random-string.log.gz
// example: my-bucket/AWSLogs/123456789012/elasticloadbalancing/us-east-1/2022/01/24/conn_log_123456789012_elasticloadbalancing_us-east-1_app.my-loadbalancer_20220124T0000Z_0.0.0.0_2et2e1mx.log.gz
// AWS Network Load Balancers
// source: https://docs.aws.amazon.com/elasticloadbalancing/latest/network/load-balancer-access-logs.html#access-log-file-format
// format: bucket[/prefix]/AWSLogs/aws-account-id/elasticloadbalancing/region/yyyy/mm/dd/aws-account-id_elasticloadbalancing_region_net.load-balancer-id_end-time_random-string.log.gz
Expand Down Expand Up @@ -92,7 +96,7 @@ var (
// source: https://docs.aws.amazon.com/AmazonS3/latest/userguide/ServerLogs.html
// format: aws-account-id/region/bucket-name/year/month/day/timestamp-hash
// example: 123456789012/us-west-2/amzn-s3-demo-source-bucket/2023/03/01/2023-03-01-21-32-16-E568B2907131C0C0
defaultFilenameRegex = regexp.MustCompile(`AWSLogs\/(?P<account_id>\d+)\/(?P<type>[a-zA-Z0-9_\-]+)\/(?P<region>[\w-]+)\/(?P<year>\d+)\/(?P<month>\d+)\/(?P<day>\d+)\/(?:health_check_log_)?\d+\_(?:elasticloadbalancing|vpcflowlogs)_(?:\w+-\w+-(?:\w+-)?\d)_(?:(?P<lb_type>app|net)\.*?)?(?P<src>[a-zA-Z0-9\-]+)`)
defaultFilenameRegex = regexp.MustCompile(`AWSLogs\/(?:conn_log_)?(?P<account_id>\d+)\/(?P<type>[a-zA-Z0-9_\-]+)\/(?P<region>[\w-]+)\/(?P<year>\d+)\/(?P<month>\d+)\/(?P<day>\d+)\/(?:health_check_log_)?(?:conn_log_)?\d+\_(?:elasticloadbalancing|vpcflowlogs)_(?:\w+-\w+-(?:\w+-)?\d)_(?:(?P<lb_type>app|net)\.*?)?(?P<src>[a-zA-Z0-9\-]+)`)
defaultTimestampRegex = regexp.MustCompile(`(?P<timestamp>\d+-\d+-\d+T\d+:\d+:\d+(?:\.\d+Z)?)`)
cloudtrailFilenameRegex = regexp.MustCompile(`AWSLogs\/(?P<organization_id>o-[a-z0-9]{10,32})?\/?(?P<account_id>\d+)\/(?P<type>[a-zA-Z0-9_\-]+)\/(?P<region>[\w-]+)\/(?P<year>\d+)\/(?P<month>\d+)\/(?P<day>\d+)\/\d+\_(?:CloudTrail|CloudTrail-Digest)_(?:\w+-\w+-(?:\w+-)?\d)_(?:(?:app|nlb|net)\.*?)?.+_(?P<src>[a-zA-Z0-9\-]+)`)
cloudfrontFilenameRegex = regexp.MustCompile(`(?P<prefix>.*)\/(?P<src>[A-Z0-9]+)\.(?P<year>\d+)-(?P<month>\d+)-(?P<day>\d+)-(.+)`)
Expand Down
35 changes: 34 additions & 1 deletion pkg/s3_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,40 @@ func Test_getLabels(t *testing.T) {
wantErr bool
}{
{
name: "s3_alb",
name: "s3_alb_conn_test",
args: args{
record: events.S3EventRecord{
AWSRegion: "us-east-1",
S3: events.S3Entity{
Bucket: events.S3Bucket{
Name: "elb_conn_logs_test",
OwnerIdentity: events.S3UserIdentity{
PrincipalID: "test",
},
},
Object: events.S3Object{
Key: "AWSLogs/123456789012/elasticloadbalancing/us-east-1/2023/10/04/conn_log_123456789012_elasticloadbalancing_us-east-1_app.my-connect-alb_20231004T1700Z_0.0.0.0_abcdef12.log.gz",
},
},
},
},
want: map[string]string{
"account_id": "123456789012",
"bucket": "elb_conn_logs_test",
"bucket_owner": "test",
"bucket_region": "us-east-1",
"day": "04",
"key": "AWSLogs/123456789012/elasticloadbalancing/us-east-1/2023/10/04/conn_log_123456789012_elasticloadbalancing_us-east-1_app.my-connect-alb_20231004T1700Z_0.0.0.0_abcdef12.log.gz",
"month": "10",
"region": "us-east-1",
"lb_type": LbAlbType,
"src": "my-connect-alb",
"type": LbLogType,
"year": "2023",
},
wantErr: false,
},
{ name: "s3_alb",
args: args{
record: events.S3EventRecord{
AWSRegion: "us-east-1",
Expand Down