Support environment variable VESPA_KEEP_FILE_REFERENCES_DAYS

1 files changed, 9 insertions, 1 deletions

diff --git a/config-proxy/src/main/java/com/yahoo/vespa/config/proxy/filedistribution/FileReferencesAndDownloadsMaintainer.java b/config-proxy/src/main/java/com/yahoo/vespa/config/proxy/filedistribution/FileReferencesAndDownloadsMaintainer.java
index 85d5a7e4af9..5d5775275c3 100644
--- a/config-proxy/src/main/java/com/yahoo/vespa/config/proxy/filedistribution/FileReferencesAndDownloadsMaintainer.java
+++ b/config-proxy/src/main/java/com/yahoo/vespa/config/proxy/filedistribution/FileReferencesAndDownloadsMaintainer.java
@@ -42,7 +42,7 @@ class FileReferencesAndDownloadsMaintainer implements Runnable {
     private final Duration durationToKeepFiles;
 
     FileReferencesAndDownloadsMaintainer() {
-        this(defaultFileReferencesDownloadDir, defaultUrlDownloadDir, defaultDurationToKeepFiles);
+        this(defaultFileReferencesDownloadDir, defaultUrlDownloadDir, keepFileReferencesDuration());
     }
 
     FileReferencesAndDownloadsMaintainer(File fileReferencesDownloadDir, File urlDownloadDir, Duration durationToKeepFiles) {
@@ -104,4 +104,12 @@ class FileReferencesAndDownloadsMaintainer implements Runnable {
         }
     }
 
+    private static Duration keepFileReferencesDuration() {
+        String env = System.getenv("VESPA_KEEP_FILE_REFERENCES_DAYS");
+        if (env != null && !env.isEmpty())
+            return Duration.ofDays(Integer.parseInt(env));
+        else
+            return defaultDurationToKeepFiles;
+    }
+
 }