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--- hardware:majak [2016/02/23 21:35]
admin
+++ hardware:majak [2016/02/28 01:45] (current)
admin
@@ Line 2: / Line 2: @@
 schema je jednoduche
-Client:
+  * Client:
-nagios zavola prikaz "echo "nejaky problem" | netcat 10.0.5.5:6555
+ nagios zavola prikaz "echo "nejaky problem" | netcat 10.0.5.5:6555
-Server s majakem:
+  * Server s majakem:
-inetd posloucha na portu 6555 a spousti skript /home/majak/bin/majak.sh, ktery zapise na /dev/ttyUSB0 prikazy "start_blink" nebo "stop_blink"
+   inetd posloucha na portu 6555 a spousti skript /home/majak/bin/majak.sh, ktery zapise na /dev/ttyUSB0 prikazy "start_blink" nebo "stop_blink"
-Overit funkcnost majaku na strane serveru muzete na dvou kontrolnich mistech
+====== Overit funkcnost majaku ======
+ na strane serveru muzete na dvou kontrolnich mistech
 . zapsat primo na /dev/ttyUSB0
    echo start_blink > /dev/ttyUSB0
@@ Line 38: / Line 39: @@
 </code>
-Na ''/dev/ttyUSB0'' je pripojene arduino s timto programem
+====== Konfigurace nagiosu ======
 <code>
+define command {
+        command_name    notify-by-majak
+        command_line    /usr/bin/printf "%b" "Neco je $SERVICESTATE$" | nc 10.0.5.5 6555
+        }
+</code>
+====== Konfigurace Inetd.conf ======
+<code>
+    stream  tcp     nowait  majak   /home/majak/bin/majak.sh noarg
+</code>
+====== Poslouchajici skript majak.sh =======
+Musite pridat uzivatele //majak// a napriklad na Debianu ho jeste dat do skupiny 'dialout', protoze jinak nema prava sahat na /dev/ttyUSB0.
+<code bash>
+#!/bin/sh
+if grep -q CRITICAL; then
+        cmd='start_blink'
+else
+        cmd='stop_blink'
+fi
+echo $cmd >/dev/ttyUSB0
+</code>
+Na ''/dev/ttyUSB0'' je pripojene arduino s timto programem
+<code c>
 /*
   Majacek - Nagios

hardware/majak.1456259728.txt.gz · Last modified: 2016/02/23 21:35 by admin