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https://github.com/drewkerrigan/nagios-http-json.git
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added ability to supply an alias for a key re: #10
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drewkerrigan
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32
README.md
32
README.md
@ -68,30 +68,30 @@ optional arguments:
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-B AUTH, --basic-auth AUTH
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Basic auth string "username:password"
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-p PATH, --path PATH Path.
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-D DATA, --data DATA The http payload to send as an POST.
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-D DATA, --data DATA The http payload to send as a POST
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-e [KEY_LIST [KEY_LIST ...]], --key_exists [KEY_LIST [KEY_LIST ...]]
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Checks existence of these keys to determine status. Multiple key values can
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be delimited with colon (key,value1:value2).
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Checks existence of these keys to determine status.
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-q [KEY_VALUE_LIST [KEY_VALUE_LIST ...]], --key_equals [KEY_VALUE_LIST [KEY_VALUE_LIST ...]]
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Checks equality of these keys and values (key,value
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key2,value2) to determine status.
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Checks equality of these keys and values
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(key[>alias],value key2,value2) to determine status.
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Multiple key values can be delimited with colon
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(key,value1:value2)
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-l [KEY_LTE_LIST [KEY_LTE_LIST ...]], --key_lte [KEY_LTE_LIST [KEY_LTE_LIST ...]]
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Checks that these keys and values (key,value
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Checks that these keys and values (key[>alias],value
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key2,value2) are less than or equal to the returned
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json value to determine status.
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-g [KEY_GTE_LIST [KEY_GTE_LIST ...]], --key_gte [KEY_GTE_LIST [KEY_GTE_LIST ...]]
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Checks that these keys and values (key,value
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Checks that these keys and values (key[>alias],value
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key2,value2) are greater than or equal to the returned
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json value to determine status.
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-m [METRIC_LIST [METRIC_LIST ...]], --key_metric [METRIC_LIST [METRIC_LIST ...]]
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Gathers the values of these keys
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(key,UnitOfMeasure,Min,Max,WarnRange,CriticalRange)
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for Nagios performance data. More information about
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Range format and units of measure for nagios can be
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found at https://nagios-
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plugins.org/doc/guidelines.html Additional formats for
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this parameter are: (key), (key,UnitOfMeasure),
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(key,UnitOfMeasure,Min,Max).
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Gathers the values of these keys (key[>alias],UnitOfMe
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asure,Min,Max,WarnRange,CriticalRange) for Nagios
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performance data. More information about Range format
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and units of measure for nagios can be found at
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nagios-plugins.org/doc/guidelines.html Additional
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formats for this parameter are: (key),
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(key,UnitOfMeasure), (key,UnitOfMeasure,Min,Max).
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-s, --ssl HTTPS mode.
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-t TIMEOUT, --timeout TIMEOUT
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Connection timeout (seconds)
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@ -179,7 +179,7 @@ define command{
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#### Sample Output
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```
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OK: Status OK.|'Containers'=1;0;1000 'Images'=11;0;0 'NEventsListener'=3;0;0 'NFd'=10;0;0 'NGoroutines'=14;0;0 'SwapLimit'=1;0;0
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OK: Status OK.|'Containers'=1;0;1000 'Images'=11;0;0 'NEventsListener'=3;0;0 'NFd'=10;0;0 'NGoroutines'=14;0;0 'SwapLimit'=1;0;0
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```
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### Docker Container Monitor Example Plugin
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@ -106,6 +106,17 @@ class JsonHelper:
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else:
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return (None, 'not_found')
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def _getKeyAlias(original_key):
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key = original_key
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alias = original_key
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if '>' in original_key:
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keys = original_key.split('>')
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if len(keys) == 2:
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key, alias = keys
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return key, alias
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class JsonRuleProcessor:
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"""Perform checks and gather values from a JSON dict given rules and metrics definitions"""
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def __init__(self, json_data, rules_args):
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@ -123,26 +134,30 @@ class JsonRuleProcessor:
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if self.rules.key_list != None:
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for k in self.rules.key_list:
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if (self.helper.exists(k) == False):
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reason += " Key %s did not exist." % k
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key, alias = _getKeyAlias(k)
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if (self.helper.exists(key) == False):
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reason += " Key %s did not exist." % alias
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if self.rules.key_value_list != None:
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for kv in self.rules.key_value_list:
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k, v = kv.split(',')
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if (self.helper.equals(k, v) == False):
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reason += " Value %s for key %s did not match." % (v, k)
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key, alias = _getKeyAlias(k)
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if (self.helper.equals(key, v) == False):
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reason += " Value for key %s did not match %s." % (alias, v)
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if self.rules.key_lte_list != None:
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for kv in self.rules.key_lte_list:
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k, v = kv.split(',')
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if (self.helper.lte(k, v) == False):
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reason += " Value %s was not less than or equal to value for key %s." % (v, k)
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key, alias = _getKeyAlias(k)
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if (self.helper.lte(key, v) == False):
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reason += " Value for key %s was not less than or equal to %s." % (alias, v)
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if self.rules.key_gte_list != None:
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for kv in self.rules.key_gte_list:
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k, v = kv.split(',')
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if (self.helper.gte(k, v) == False):
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reason += " Value %s was not greater than or equal to value for key %s." % (v, k)
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key, alias = _getKeyAlias(k)
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if (self.helper.gte(key, v) == False):
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reason += " Value for key %s was not greater than or equal to %s." % (v, alias)
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is_alive = (reason == '')
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@ -168,8 +183,10 @@ class JsonRuleProcessor:
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if len(vals) == 6:
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key,uom,minimum,maximum,warn_range,crit_range = vals
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key, alias = _getKeyAlias(key)
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if self.helper.exists(key):
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metrics += "'%s'=%s" % (key, self.helper.get(key))
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metrics += "'%s'=%s" % (alias, self.helper.get(key))
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if uom: metrics += uom
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metrics += ";%s" % minimum
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metrics += ";%s" % maximum
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@ -194,17 +211,17 @@ def parseArgs():
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parser.add_argument('-e', '--key_exists', dest='key_list', nargs='*',
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help='Checks existence of these keys to determine status.')
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parser.add_argument('-q', '--key_equals', dest='key_value_list', nargs='*',
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help='Checks equality of these keys and values (key,value key2,value2) to determine status.\
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help='Checks equality of these keys and values (key[>alias],value key2,value2) to determine status.\
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Multiple key values can be delimited with colon (key,value1:value2)')
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parser.add_argument('-l', '--key_lte', dest='key_lte_list', nargs='*',
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help='Checks that these keys and values (key,value key2,value2) are less than or equal to\
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help='Checks that these keys and values (key[>alias],value key2,value2) are less than or equal to\
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the returned json value to determine status.')
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parser.add_argument('-g', '--key_gte', dest='key_gte_list', nargs='*',
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help='Checks that these keys and values (key,value key2,value2) are greater than or equal to\
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help='Checks that these keys and values (key[>alias],value key2,value2) are greater than or equal to\
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the returned json value to determine status.')
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parser.add_argument('-m', '--key_metric', dest='metric_list', nargs='*',
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help='Gathers the values of these keys (key,UnitOfMeasure,Min,Max,WarnRange,CriticalRange) for Nagios performance data.\
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More information about Range format and units of measure for nagios can be found at https://nagios-plugins.org/doc/guidelines.html\
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help='Gathers the values of these keys (key[>alias],UnitOfMeasure,Min,Max,WarnRange,CriticalRange) for Nagios performance data.\
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More information about Range format and units of measure for nagios can be found at nagios-plugins.org/doc/guidelines.html\
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Additional formats for this parameter are: (key), (key,UnitOfMeasure), (key,UnitOfMeasure,Min,Max).')
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parser.add_argument('-s', '--ssl', action='store_true', help='HTTPS mode.')
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parser.add_argument('-t', '--timeout', type=int, help='Connection timeout (seconds)')
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