RHEL4 - fence_scsi.pl: check if nodeid is zero

RHEL4 - fence_scsi.pl: check if nodeid is zero

[Ryan O'Hara]

Gitweb:        http://git.fedorahosted.org/git/cluster.git?p=cluster.git;a=commitdiff;h=3df1a7c5dd25d0579b6d82fb8375efb9f4ecf0eb
Commit:        3df1a7c5dd25d0579b6d82fb8375efb9f4ecf0eb
Parent:        3ac098920b654410883a31e762fdd150b6f21c14
Author:        rohara <rohara@spartan.(none)>
AuthorDate:    Thu Sep 4 16:35:42 2008 -0500
Committer:     rohara <rohara@spartan.(none)>
CommitterDate: Thu Sep 4 16:35:42 2008 -0500

fence_scsi.pl: check if nodeid is zero

If the nodeid we get from the XML query of cluster.conf is zero,
then either the node does not exist in the cluster of the nodeid
is not set. Each case is invalid, so report an error and exit.
---
 fence/agents/scsi/fence_scsi.pl |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/fence/agents/scsi/fence_scsi.pl b/fence/agents/scsi/fence_scsi.pl
index c2dea6f..e0da751 100755
--- a/fence/agents/scsi/fence_scsi.pl
+++ b/fence/agents/scsi/fence_scsi.pl
@@ -187,6 +187,10 @@ sub get_key
     my $cluster_id = get_cluster_id;
     my $node_id = get_node_id($node);
 
+    if ($node_id == 0) {
+	die "Unable to determine nodeid for $node.\n";
+    }
+
     my $key = sprintf "%x%.4x", $cluster_id, $node_id;
 
     return $key;