Package: nagios-plugins
Version: 1.4-6
Severity: normal
Tags: patch
Dear Maintainer,
The check_swap plugin gives an incorrect warning about the swap usage on
swapless systems:
SWAP UNKNOWN: -2147483548% free (0 MB out of 0 MB)
Fixing this requires a simple patch, which is attached.
Please apply.
Regards,
Allard Hoeve
-- System Information:
Debian Release: 3.1
APT prefers testing
APT policy: (500, 'testing')
Architecture: i386 (i686)
Kernel: Linux 2.6.10-ac10-byte
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
Versions of packages nagios-plugins depends on:
ii dnsutils 1:9.2.4-1 Clients provided with BIND
ii fping 2.4b2-to-ipv6-10 sends ICMP ECHO_REQUEST packets to
ii host 20000331-9 utility for querying DNS servers
ii iputils-ping 3:20020927-2 Tools to test the reachability of
ii libc6 2.3.2.ds1-22 GNU C Library: Shared libraries an
ii libldap2 2.1.30-8 OpenLDAP libraries
ii libmysqlclient12 4.0.24-10 mysql database client library
ii libnet-snmp-perl 5.0.1-1 Script SNMP connections
ii libpq3 7.4.7-6sarge1 PostgreSQL C client library
ii libssl0.9.7 0.9.7e-3 SSL shared libraries
ii ntp 1:4.2.0a+stable-2sarge1 Network Time Protocol: network uti
ii ntp-simple 1:4.2.0a+stable-2sarge1 Network Time Protocol: daemon for
ii ntpdate 1:4.2.0a+stable-2sarge1 The ntpdate client for setting sys
ii procps 1:3.2.1-2 The /proc file system utilities
ii qstat 2.8-1 Command-line tool for querying qua
ii radiusclient1 0.3.2-8 /bin/login replacement which uses
ii smbclient 3.0.14a-3sarge1 a LanManager-like simple client fo
ii snmp 5.1.2-6.1 NET SNMP (Simple Network Managemen
-- no debconf information
diff -urb nagios-plugins-1.4/plugins/check_swap.c nagios-plugins-1.4.new/plugins/check_swap.c
--- nagios-plugins-1.4/plugins/check_swap.c 2005-01-19 22:14:47.000000000 +0100
+++ nagios-plugins-1.4.new/plugins/check_swap.c 2005-09-16 12:14:18.762122808 +0200
@@ -311,6 +311,7 @@
# endif /* HAVE_SWAP */
#endif /* HAVE_PROC_MEMINFO */
+ if (total_swap <= 0) {
percent_used = 100 * ((double) used_swap) / ((double) total_swap);
result = max_state (result, check_swap (percent_used, free_swap));
/* broken into two steps because of funkiness with builtin asprintf */
@@ -323,6 +324,14 @@
TRUE, (long) max (crit_size/1024, crit_percent/100.0*total_swap),
TRUE, 0,
TRUE, (long) total_swap));
+ }
+ else
+ {
+ result = STATE_OK;
+ asprintf (&status, "no swap installed");
+ asprintf (&perf, "(N/A)");
+ }
+
printf ("SWAP %s:%s |%s\n", state_text (result), status, perf);
return result;
}
