Keep intervalls: Allow 0

without this change, people were forced to keep at least a monthly,
yearly, weekly... backup. This is not a borg requirement. We need to
allow 0 so people can keep backups for a shorter time period.

REFERENCE.md

@@ -61,39 +61,39 @@ Default value: ``true``
 
 ##### `keep_yearly`
 
-Data type: `Integer[1]`
+Data type: `Integer[0]`
 
 For how many years should we keep our backups?
 
 Default value: `3`
 
 ##### `keep_monthly`
 
-Data type: `Integer[1]`
+Data type: `Integer[0]`
 
 For how many months should we keep our backups?
 
 Default value: `24`
 
 ##### `keep_weekly`
 
-Data type: `Integer[1]`
+Data type: `Integer[0]`
 
 For how many weeks should we keep our backups?
 
 Default value: `36`
 
 ##### `keep_daily`
 
-Data type: `Integer[1]`
+Data type: `Integer[0]`
 
 For how many days should we keep our backups?
 
 Default value: `60`
 
 ##### `keep_within`
 
-Data type: `Integer[1]`
+Data type: `Integer[0]`
 
 For how many days should we keep all backups we have?
 

manifests/init.pp

@@ -96,11 +96,11 @@
   Boolean $create_prometheus_metrics                       = true,
   Boolean $use_upstream_reporter                           = false,
   Boolean $update_borg_restore_db_after_backuprun          = true,
-  Integer[1] $keep_yearly                                  = 3,
-  Integer[1] $keep_monthly                                 = 24,
-  Integer[1] $keep_weekly                                  = 36,
-  Integer[1] $keep_daily                                   = 60,
-  Integer[1] $keep_within                                  = 30,
+  Integer[0] $keep_yearly                                  = 3,
+  Integer[0] $keep_monthly                                 = 24,
+  Integer[0] $keep_weekly                                  = 36,
+  Integer[0] $keep_daily                                   = 60,
+  Integer[0] $keep_within                                  = 30,
   Array[Stdlib::Absolutepath] $excludes                    = ['/tmp', '/sys', '/dev', '/proc', '/run', '/media', '/var/lib/nfs/rpc_pipefs'],
   Array[Stdlib::Absolutepath] $includes                    = ['/', '/boot', '/boot/efi', '/boot/EFI', '/var/log'],
   String[1] $backupdestdir                                 = 'borg',