From ca65e0990485c55e20bcb24e0aa4f2ada7bf611b Mon Sep 17 00:00:00 2001
From: Thomas Lamprecht <t.lamprecht@proxmox.com>
Date: Wed, 27 Apr 2022 13:14:13 +0200
Subject: [PATCH] api: next-id: honor new datacenter.cfg upper/lower range
 option

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
---
 PVE/API2/Cluster.pm | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/PVE/API2/Cluster.pm b/PVE/API2/Cluster.pm
index 718a8eb9..1f4f4b08 100644
--- a/PVE/API2/Cluster.pm
+++ b/PVE/API2/Cluster.pm
@@ -737,11 +737,17 @@ __PACKAGE__->register_method({
 	    raise_param_exc({ vmid => "VM $vmid already exists" });
 	}
 
-	for (my $i = 100; $i < 10000; $i++) {
+	my $dc_conf = PVE::Cluster::cfs_read_file('datacenter.cfg');
+	my $next_id = $dc_conf->{'next-id'} // {};
+
+	my $lower = $next_id->{lower} // 100;
+	my $upper = $next_id->{upper} // (1000 * 1000); # note, lower than the schema-maximum
+
+	for (my $i = $lower; $i < $upper; $i++) {
 	    return $i if !defined($idlist->{$i});
 	}
 
-	die "unable to get any free VMID\n";
+	die "unable to get any free VMID in range [$lower, $upper]\n";
     }});
 
 1;