gitorious/nagios-http-json
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merging + adding -f for Json Field Separator

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Drew Kerrigan 2015-04-24 11:38:27 -04:00
commit d1ba09f44c
2 changed files with 25 additions and 11 deletions
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13
README.md
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@ -47,13 +47,13 @@ More info about options in Usage.
Executing `./check_http_json.py -h` will yield the following details:
```
usage: check_http_json.py [-h] -H HOST [-p PATH]
usage: check_http_json.py [-h] -H HOST [-B AUTH] [-p PATH]
[-e [KEY_LIST [KEY_LIST ...]]]
[-q [KEY_VALUE_LIST [KEY_VALUE_LIST ...]]]
[-l [KEY_LTE_LIST [KEY_LTE_LIST ...]]]
[-g [KEY_GTE_LIST [KEY_GTE_LIST ...]]]
[-m [METRIC_LIST [METRIC_LIST ...]]] [-d]
[-s SEPARATOR]
[-m [METRIC_LIST [METRIC_LIST ...]]] [-s]
[-f SEPARATOR] [-d]
Nagios plugin which checks json values from a given endpoint against argument
specified rules and determines the status and performance data for that
@ -62,6 +62,8 @@ service
optional arguments:
-h, --help show this help message and exit
-H HOST, --host HOST Host.
-B AUTH, --basic-auth AUTH
Basic auth string "username:password"
-p PATH, --path PATH Path.
-e [KEY_LIST [KEY_LIST ...]], --key_exists [KEY_LIST [KEY_LIST ...]]
Checks existence of these keys to determine status.
@ -85,9 +87,10 @@ optional arguments:
plugins.org/doc/guidelines.html Additional formats for
this parameter are: (key), (key,UnitOfMeasure),
(key,UnitOfMeasure,Min,Max).
-d, --debug Debug mode.
-s SEPARATOR, --separator SEPARATOR
-s, --ssl HTTPS mode.
-f SEPARATOR, --field_separator SEPARATOR
Json Field separator, defaults to "."
-d, --debug Debug mode.
```
More info about Nagios Range format and Units of Measure can be found at [https://nagios-plugins.org/doc/guidelines.html](https://nagios-plugins.org/doc/guidelines.html).

19
check_http_json.py
View File

@ -7,10 +7,12 @@ Generic Nagios plugin which checks json values from a given endpoint against arg
and determines the status and performance data for that service.
"""
import httplib, urllib, urllib2
import httplib, urllib, urllib2, base64
import json
import argparse
from pprint import pprint
from urllib2 import HTTPError
from urllib2 import URLError
class NagiosHelper:
@ -45,8 +47,8 @@ class JsonHelper:
self.separator = separator
def equals(self, key, value): return self.exists(key) and str(self.get(key)) == value
def lte(self, key, value): return self.exists(key) and str(self.get(key)) <= value
def gte(self, key, value): return self.exists(key) and str(self.get(key)) >= value
def lte(self, key, value): return self.exists(key) and float(self.get(key)) <= float(value)
def gte(self, key, value): return self.exists(key) and float(self.get(key)) >= float(value)
def exists(self, key): return (self.get(key) != (None, 'not_found'))
def get(self, key, temp_data=''):
"""Can navigate nested json keys with a dot format (Element.Key.NestedKey). Returns (None, 'not_found') if not found"""
@ -144,6 +146,7 @@ def parseArgs():
and determines the status and performance data for that service')
parser.add_argument('-H', '--host', dest='host', required=True, help='Host.')
parser.add_argument('-B', '--basic-auth', dest='auth', required=False, help='Basic auth string "username:password"')
parser.add_argument('-p', '--path', dest='path', help='Path.')
parser.add_argument('-e', '--key_exists', dest='key_list', nargs='*',
help='Checks existence of these keys to determine status.')
@ -159,8 +162,9 @@ def parseArgs():
help='Gathers the values of these keys (key,UnitOfMeasure,Min,Max,WarnRange,CriticalRange) for Nagios performance data.\
More information about Range format and units of measure for nagios can be found at https://nagios-plugins.org/doc/guidelines.html\
Additional formats for this parameter are: (key), (key,UnitOfMeasure), (key,UnitOfMeasure,Min,Max).')
parser.add_argument('-s', '--ssl', action='store_true', help='HTTPS mode.')
parser.add_argument('-f', '--field_separator', dest='separator', help='Json Field separator, defaults to "."')
parser.add_argument('-d', '--debug', action='store_true', help='Debug mode.')
parser.add_argument('-s', '--separator', dest='separator', help='Json Field separator, defaults to "."')
return parser.parse_args()
@ -176,13 +180,20 @@ if __name__ == "__main__":
args = parseArgs()
nagios = NagiosHelper()
if args.ssl:
url = "https://%s" % args.host
else:
url = "http://%s" % args.host
if args.path: url += "/%s" % args.path
debugPrint(args.debug, "url:%s" % url)
# Attempt to reach the endpoint
try:
req = urllib2.Request(url)
if args.auth:
base64str = base64.encodestring(args.auth).replace('\n', '')
req.add_header('Authorization', 'Basic %s' % base64str)
response = urllib2.urlopen(req)
except HTTPError as e:
nagios.unknown("HTTPError[%s], url:%s" % (str(e.code), url))