I have had to use this method in the past to access global variables.
···
-----Original Message-----
From: checkmk-en [mailto:checkmk-en-bounces@lists.mathias-kettner.de] On Behalf Of Lincoln Yellick
Sent: 06 November 2017 15:05
To: ‘Evy Bongers’; ‘checkmk-en@lists.mathias-kettner.de’
Subject: Re: [Check_mk (english)] Getting current hostname that check is running against
Thank you for the reply.
Yeah it seems like I’ll have to come up with a clever way to do this check. The g_hostname just comes back as unknown.
Is there a way to use the oid() function from the check_info in another function? That way I could just use that oid() function to get the hostname.
Thanks,
Lincoln Hach Yellick
Managed Service Technician
Blue Net, Inc.
1301 Corporate Center Drive, Suite 112
Eagan, MN 55121
P: 651-203-8817 S: 651-203-8850
lyellick@bluenetinc.com
-----Original Message-----
From: Evy Bongers [mailto:lists+check-mk@evybongers.nl]
Sent: Sunday, November 5, 2017 12:09 PM
To: Lincoln Yellick lyellick@bluenetinc.com; ‘checkmk-en@lists.mathias-kettner.de’ checkmk-en@lists.mathias-kettner.de
Subject: Re: [Check_mk (english)] Getting current hostname that check is running against
I don’t think there’s a documented list of global variables.
To find out which variables are available in the global scope, you can use the globals()[1,2] function.
To reference the variable, you can use if like any other variable, for
example:
print ( g_hostname )
svc_long_output += “Check ran on host %s” % g_hostname
Regards,
Evy
[1] https://docs.python.org/2/library/functions.html#globals
[2] https://docs.python.org/3/library/functions.html#globals
On 03/11/17 22:01, Lincoln Yellick wrote:
Thank you Evy!
How would one reference a global variable in their custom check and where is a list of these? We would love to know.
Lincoln Hach Yellick
Managed Service Technician
Blue Net, Inc.
1301 Corporate Center Drive, Suite 112 Eagan, MN 55121
P: 651-203-8817 S: 651-203-8850
lyellick@bluenetinc.com
-----Original Message-----
From: Evy Bongers [mailto:lists+check-mk@evybongers.nl]
Sent: Friday, November 3, 2017 3:52 PM
To: Lincoln Yellick lyellick@bluenetinc.com;
‘checkmk-en@lists.mathias-kettner.de’
checkmk-en@lists.mathias-kettner.de
Subject: Re: [Check_mk (english)] Getting current hostname that check
is running against
If I remember correctly, there’s a global variable g_hostname that you can use for this.
Regards,
Evy
On 03/11/17 19:36, Lincoln Yellick wrote:
Hello,
I am writing a custom check to show the status of phones in a cloud
PBX and need a way to be able to pass the current hostname that a
check is running against.
Here is the code I wrote to accomplish this:
Ideally I would like the function generate_sip_oids() to use the
hostname that this is running against. At the current state it really
just checks against one host when it should be any.
try:
import subprocess
import re
except ImportError:
pass
def generate_sip_oids():
collection = []
command = "snmpget -v 2c -c [key] [hostname] .1.3.6.1.4.1.22736.10.4.1"
number_of_sip_phones_cmd =
subprocess.check_output(command.split(),
shell=False)
number_of_sip_phones = re.search("(?<=INTEGER: ).*",
number_of_sip_phones_cmd)
for i in range(int(number_of_sip_phones.group(0))):
oid_string = ".1.3.6.1.4.1.22736.10.4.3." + str(i+1)
sip_oid = (oid_string, ["1", "2", "3", "4", "5", "6"])
collection.append(sip_oid)
return collection
def inventory_dev_digium_register_status(info):
return [("%s" % line[0][1], None) for line in info]
def check_dev_digium_register_status(item, _no_params, info):
# item is the current item being passed from the inventory
function
# info is the master array being passed
# looping through each item in info
for line in info:
# checking if the ext number is equal to the ext item
if line[0][1] == item:
# variables
user = str(line[0][2])
ext = str(line[0][1])
ip = str(line[0][4])
status = str(line[0][5])
if status == "unreachable":
return 2, "Down - User: {0}, Ext.: {1}, IP:
{2}".format(user, ext, ip)
elif status == "registered":
return 0, "Is Ok - User: {0}, Ext.: {1}, IP:
{2}".format(user, ext, ip)
else:
return 3, "State Unknown"
check_info[“dev_digium_register_status”] = {
"check_function": check_dev_digium_register_status,
"inventory_function": inventory_dev_digium_register_status,
"service_description": "Digium Phone: Ext. %s", # index title
"snmp_info": generate_sip_oids(),
"snmp_scan_function": lambda oid:
oid(“.1.3.6.1.4.1.22736.10.1.1”) is not None }
cid:image002.png@01D27D56.7156D060
Lincoln Hach Yellick
Managed Service Technician
--------------------------------------------
Blue Net, Inc.
1301 Corporate Center Drive, Suite 112 Eagan, MN 55121
*P:*651-203-8817 *S: *651-203-8850
lyellick@bluenetinc.com mailto:lyellick@bluenetinc.com
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