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iscsi: add hostname support in portal addresses

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Currently, the iSCSI plugin regex patterns only match IPv4 and IPv6
addresses, causing session parsing to fail when portals use hostnames
(like nas.example.com:3260).

This patch updates ISCSI_TARGET_RE and session parsing regex to accept
any non-whitespace characters before the port, allowing hostname-based
portals to work correctly.

Tested with IP and hostname-based portals on Proxmox VE 8.2, 8.3, and 8.4.1

Signed-off-by: Stelios Vailakakis <stelios@libvirt.dev>
Link: https://lore.proxmox.com/20250626022920.1323623-1-stelios@libvirt.dev
This commit is contained in:
Stelios Vailakakis
2025-06-26 02:29:20 +00:00
committed by Thomas Lamprecht
parent c33abdf062
commit 6bf171ec54
1 changed files with 2 additions and 2 deletions
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4
src/PVE/Storage/ISCSIPlugin.pm
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@ -33,7 +33,7 @@ my sub assert_iscsi_support {
}
# Example: 192.168.122.252:3260,1 iqn.2003-01.org.linux-iscsi.proxmox-nfs.x8664:sn.00567885ba8f
my $ISCSI_TARGET_RE = qr/^((?:$IPV4RE|\[$IPV6RE\]):\d+)\,\S+\s+(\S+)\s*$/;
my $ISCSI_TARGET_RE = qr/^(\S+:\d+)\,\S+\s+(\S+)\s*$/;
sub iscsi_session_list {
assert_iscsi_support();
@ -49,7 +49,7 @@ sub iscsi_session_list {
my $line = shift;
# example: tcp: [1] 192.168.122.252:3260,1 iqn.2003-01.org.linux-iscsi.proxmox-nfs.x8664:sn.00567885ba8f (non-flash)
if ($line =~
m/^tcp:\s+\[(\S+)\]\s+((?:$IPV4RE|\[$IPV6RE\]):\d+)\,\S+\s+(\S+)\s+\S+?\s*$/
m/^tcp:\s+\[(\S+)\]\s+(\S+:\d+)\,\S+\s+(\S+)\s+\S+?\s*$/
) {
my ($session_id, $portal, $target) = ($1, $2, $3);
# there can be several sessions per target (multipath)