Delete images older than 1 year

README.md

@@ -5,12 +5,14 @@ For every repository:
 
 1. Images created less than 1 day ago are kept
 
-2. Images with no defined build date (cache?) are kept
+2. Images created more than 1 year ago are deleted
 
-3. Images with `org.opencontainers.image.version` label matching existing
+3. Images with no defined build date (cache?) are kept
+
+4. Images with `org.opencontainers.image.version` label matching existing
 tags/branches or open pull requests are kept
 
-4. Everything else is deleted
+5. Everything else is deleted
 
 ## REST API pagination race condition
 

cleanup.js

@@ -310,6 +310,9 @@ async function main() {
     const minAge = new Date();
     minAge.setDate(minAge.getDate() - 1);
 
+    const maxAge = new Date();
+    maxAge.setFullYear(minAge.getFullYear() - 1);
+
     const shouldDelete = async (version, config) => {
         const created = Date.parse(config?.created);
         if (isNaN(created)) {
@@ -322,6 +325,11 @@ async function main() {
             return false;
         }
 
+        if (created < maxAge) {
+            octokit.log.info(`Image ${version.displayImage} is too old`, created);
+            return true;
+        }
+
         const labels = config?.config?.Labels;
         const refName = labels ? labels['org.opencontainers.image.version'] : null;
         octokit.log.debug(`Version of ${version.displayImage}: ${refName}`);