Do not scan versions released more than 1 year ago (#1614)

Signed-off-by: Sergio Castaño Arteaga <tegioz@icloud.com>

database/migrations/functions/packages/get_snapshots_to_scan.sql

@@ -24,6 +24,7 @@ returns setof json as $$
         join repository r using (repository_id)
         where containers_images is not null
         and r.scanner_disabled = false
+        and s.ts > (current_timestamp - '1 year'::interval)
         and (
             security_report is null
             or (security_report_created_at < (current_timestamp - '1 day'::interval) and s.version = p.latest_version)

database/tests/functions/packages/get_snapshots_to_scan.sql

@@ -12,6 +12,7 @@ select plan(2);
 \set package2ID '00000000-0000-0000-0000-000000000002'
 \set package3ID '00000000-0000-0000-0000-000000000003'
 \set package4ID '00000000-0000-0000-0000-000000000004'
+\set package5ID '00000000-0000-0000-0000-000000000005'
 
 -- No snapshots at this point
 select is(
@@ -166,6 +167,30 @@ insert into snapshot (
     '[{"image": "quay.io/org/pkg4:1.0.0"}]',
     '2020-06-16 11:20:33+02'
 );
+insert into package (
+    package_id,
+    name,
+    latest_version,
+    repository_id
+) values (
+    :'package5ID',
+    'package5',
+    '1.0.0',
+    :'repo1ID'
+);
+insert into snapshot (
+    package_id,
+    version,
+    containers_images,
+    ts,
+    created_at
+) values (
+    :'package5ID',
+    '1.0.0',
+    '[{"image": "quay.io/org/pkg5:1.0.0"}]',
+    '2010-06-16 11:20:33+02',
+    '2010-06-16 11:20:33+02'
+);
 
 -- Run some tests
 select is(