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alarming: make native nagios support to dhcpd-pools

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This commit makes integrating the command with nagios much easier.

$ dhcpd-pools -c dhcpd.conf -l dhcpd.leases --critical 80 --warning 75
CRITICAL: dhcpd-pools: Ranges; crit: 14 warn: 22 ok: 220 Shared nets; crit: 1 warn: 0 ok: 4

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
This commit is contained in:
Sami Kerola 2012-06-24 15:32:50 +02:00
parent 5a307703c9
commit 42dd80aeac
6 changed files with 161 additions and 2 deletions
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85
src/output.c
View file

@ -37,6 +37,7 @@
#include <arpa/inet.h>
#include <err.h>
#include <errno.h>
#include <langinfo.h>
#include <netinet/in.h>
#include <stdio.h>
@ -788,3 +789,87 @@ int output_csv(void)
}
return 0;
}
int output_alarming(void)
{
FILE *outfile;
struct range_t *range_p;
struct shared_network_t *shared_p;
int i;
float perc;
int rw = 0, rc = 0, ro = 0, sw = 0, sc = 0, so = 0;
int ret_val, ret;
range_p = ranges;
shared_p = shared_networks;
if (config.output_file[0]) {
outfile = fopen(config.output_file, "w+");
if (outfile == NULL) {
err(EXIT_FAILURE, "output_alarming: %s",
config.output_file);
}
} else {
outfile = stdout;
}
if (config.output_limit[1] & output_limit_bit_1) {
for (i = 0; i < num_ranges; i++) {
perc = (float)(100 * range_p->count) /
(range_p->last_ip - range_p->first_ip - 1);
if (config.critical < perc)
rc++;
else if (config.warning < perc)
rw++;
else
ro++;
range_p++;
}
}
if (config.output_limit[1] & output_limit_bit_2) {
for (i = 0; i < num_shared_networks; i++) {
perc = (float)(100 * shared_p->used) /
shared_p->available;
if (config.critical < perc)
sc++;
else if (config.warning < perc)
sw++;
else
so++;
shared_p++;
}
}
if (0 < rc || 0 < sc) {
ret_val = 2;
fprintf(outfile, "CRITICAL: %s: ",
program_invocation_short_name);
} else if (0 < rw || 0 < sw) {
ret_val = 1;
fprintf(outfile, "WARNING: %s: ",
program_invocation_short_name);
} else {
ret_val = 0;
fprintf(outfile, "OK: ");
}
if (config.output_limit[0] & output_limit_bit_1) {
fprintf(outfile, "Ranges; crit: %d warn: %d ok: %d ", rc, rw,
ro);
}
if (config.output_limit[0] & output_limit_bit_2) {
fprintf(outfile, "Shared nets; crit: %d warn: %d ok: %d", sc,
sw, so);
}
fprintf(outfile, "\n");
if (outfile == stdout) {
ret = fflush(stdout);
if (ret) {
warn("output_alarming: fflush");
}
} else {
ret = close_stream(outfile);
if (ret) {
warn("output_alarming: fclose");
}
}
return ret_val;
}