Am 28.07.2016 um 14:49 schrieb Martin Pala:
Hello Martin
the send/expect statement is not allowed in the http protocol context
(it is part of "generic" protocol test only), but monit didn't throw
a syntax error in such case (fixed:
https://bitbucket.org/tildeslash/monit/commits/27210ed610ba/).
Ah. I didn't know that. Thank you.
Regarding the HEAD vs. GET method ... the http protocol test uses the
HEAD method unless the content test or content checksum is set as
part the http protocol - the the GET is used automatically, as the
content is required for these tests.
That makes a lot of sense. And it would solve my problems nicely.
So I just have to expect some content (even if nothing) and monit then
switches to "GET" and thus my test succeeds.
So I use the following statement to for http-replicator and it works:
if failed
port 8080
protocol http
with content = ''
then alert
Nice. Thank you. (I think a line or two in the manual would be
appropriate ;) )
> We can implement a new option for the http protocol, which will allow
> to override the http method (such as GET/POST), even if no content is
> required automatically.
I don't think this is actually necessary, given that you can test
for empty content as above ;)
However:
check host pbx with address 11.22.33.44
if failed
port 443
protocol https
request "/LOG0/FAULT/mod_cmd.xml?cmd=xml-alarms"
use http headers [Authorization: Basic blabla==]
with content != 'type="alarm"'
then alert
does not work. I get an 401:
monit[10931]: 'pbx' failed protocol test [HTTP] at
[11.22.33.44]:443/LOG0/FAULT/mod_cmd.xml?cmd=xml-alarms&xsl=alarm_log.xsl
[TCP/IP SSL] -- HTTP error: Server returned status 401
However, I doubt that this is the wrongdoing of monit, since an
apache server works well. I will get in touch with innovaphone and get
back to you, if I still need help.
Again, thank you.
Marcus
On 28 Jul 2016, at 13:07, Marcus Mülbüsch
<[email protected]> wrote:
Hello list,
when monit does connection testing it uses the method "HEAD", which
is fine for it causes less traffic.
However, some services don't send http-headers, so this method will
fail.
For example, when checking http-replicator
(https://sourceforge.net/projects/http-replicator/) with
if failed port 8080 protocol http then alert
http-relicator responds with a 503 and monit raises an alarm. Here
is its logfile:
HEAD / HTTP/1.1 connection: close host: localhost:8080 accept:
*/* user-agent: Monit/5.17.1
27 Jul 2016 16:54:51 DEBUG: HttpClient 1 received header:
HTTP/1.1 503 Service Unavailable date: Wed, 27 Jul 2016 14:54:51
GMT connection: close
I changed the method by sending a "GET", so http-replicator
responds with something (if running) and monit alerts only on true
failures:
# !!! use 'send "GET"...' else monit uses method "HEAD" which
http-replicator does not respond well to! if failed port 8080
protocol http send "GET / HTTP/1.1" then alert
Is there a better way to achieve this?
I now have the problem that I want to monitor the alarm-log of my
innovaphone telephone system which is readable via authenticated
https and responds with an xml file. So to access the alarm-log I
use a monit configuration of:
check host pbx with address 11.22.33.44 if failed port 443
protocol https request "/LOG0/FAULT/mod_cmd.xml?cmd=xml-alarms"
use http headers [Authorization: Basic blabla==] send "GET /
HTTP/1.1" with content != 'type="alarm"' then alert
However, that doesn't work as expected.
If I drop the "send" line, the telephony system responds with a 404
(there's no header in the xml).
If I use the send line it seems as monit does not evaluate the
content?
I artificially created an alarm and the system now responds with
https://11.22.33.44/LOG0/FAULT/mod_cmd.xml?cmd=xml-alarms
<alarms> <fault type="alarm" severity="1" active="true"
code="0x00010002" date="1469703580" time="28.07.2016-12:59:40"
xsl="fault_phone.xsl" handle="744"> <text>Registration down
(timeout)</text> <source>PHONE/SIG/REG2</source> <remote
addr="1.2.3.4" name="IP241-ab-cd-ef"/> </fault> </alarms>
However, monit (given the above configuration) does not raise an
alarm? Am I doing something wrong, or is monit at fault here?
Marcus
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