Editing KeepAlived (section)

== Alertare Keepalived prin SMTP ==
Keepalived poate trimite alerte pe mail la migrarea unui IP de pe un nod pe altul:

* nano /etc/keepalived/keepalived.conf
===== ha01, ha02 si ha03 =====

<code class="mw-code mw-highlight plainlinks" style="display:block"><!--
--><span style="color:#f00">global_defs {
&nbsp;&nbsp;notification_email {
&nbsp;&nbsp;&nbsp;&nbsp;monitorizare@domeniu.ro
&nbsp;&nbsp;}
&nbsp;&nbsp;notification_email_from keepalived@domeniu.ro
&nbsp;&nbsp;smtp_server mail.domeniu.ro
&nbsp;&nbsp;smtp_connect_timeout 30
}</span>
vrrp_track_process track_apache {
&nbsp;&nbsp;process apache2
&nbsp;&nbsp;weight 10
}
vrrp_instance VIP {
&nbsp;&nbsp;state MASTER
&nbsp;&nbsp;interface ens18
&nbsp;&nbsp;virtual_router_id 66
&nbsp;&nbsp;priority 99
<span style="color:#f00">&nbsp;&nbsp;smtp_alert</span>
&nbsp;&nbsp;advert_int 1
&nbsp;&nbsp;unicast_src_ip 192.168.14.11
&nbsp;&nbsp;unicast_peer {
&nbsp;&nbsp;&nbsp;&nbsp;192.168.14.22
&nbsp;&nbsp;&nbsp;&nbsp;192.168.14.33
&nbsp;&nbsp;}
&nbsp;&nbsp;track_process {
&nbsp;&nbsp;&nbsp;&nbsp;track_apache
&nbsp;&nbsp;}
&nbsp;&nbsp;authentication {
&nbsp;&nbsp;&nbsp;&nbsp;auth_type PASS
&nbsp;&nbsp;&nbsp;&nbsp;auth_pass [pass1234]
&nbsp;&nbsp;}
&nbsp;&nbsp;virtual_ipaddress {
&nbsp;&nbsp;&nbsp;&nbsp;192.168.14.123/24
&nbsp;&nbsp;}
}
</code>
===== Legenda =====
'''notification_email''' = se va trece adresa de mail care va primi alertele de migrare IP<br>
'''notification_email_from''' = se va trece adresa de mail de la care se trimit alertele. Desi keepalived nu face autentificare in serverul de mail, adresa trebuie sa fie una valida<br>
'''smtp_server''' = fqdn-ul serverului de mail<br>
'''smtp_connect_timeout''' = perioada (secunde) ce va trece din momentul din care nodul pierde IP-ul pana va trimite alertarea pe mail