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template-app-redis-sentinel.j2
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template-app-redis-sentinel.j2
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{%- set name = name|default('Redis Sentinel') -%}
{%- set description = description|default('') -%}
{%- set release = release|default('trunk') -%}
{%- set seed = ['Allenta', 'Redis Sentinel']|join('/') -%}
{%- set master = 'redis_sentinel.stats["{$REDIS_SENTINEL.LOCATIONS}"]' -%}
{#-#########################################################################-#}
{#- MACROS -#}
{#-#########################################################################-#}
{%- macro trigger(definition) -%}
<uuid>{{ [seed, definition.id]|join('/')|zuuid }}</uuid>
<expression>{{ definition.expression|e }}</expression>
<name>{{ definition.name|e }}</name>
<priority>{{ definition.priority }}</priority>
{%- if 'recovery' in definition %}
<recovery_mode>RECOVERY_EXPRESSION</recovery_mode>
<recovery_expression>{{ definition.recovery|e }}</recovery_expression>
{%- endif %}
{%- endmacro -%}
{%- macro discovery_rule(rule, items, triggers) -%}
<discovery_rule>
<uuid>{{ [seed, rule.id]|join('/')|zuuid }}</uuid>
<name>{{ rule.name|e }}</name>
<type>ZABBIX_ACTIVE</type>
<key>{{ rule.key|e }}</key>
<delay>{$REDIS_SENTINEL.LLD_UPDATE_INTERVAL:"{{ rule.context }}"}</delay>
<lifetime>{$REDIS_SENTINEL.LLD_KEEP_LOST_RESOURCES_PERIOD:"{{ rule.context }}"}</lifetime>
{%- if rule.context != 'items' %}
<filter>
<conditions>
<condition>
{%- if version in ('6.0', '6.2', '6.4', '7.0') %}
<formulaid>A</formulaid>
{%- endif %}
<macro>{{ '{#' }}SUBJECT}</macro>
<operator>NOT_MATCHES_REGEX</operator>
<value>{$REDIS_SENTINEL.LLD_EXCLUDED_SUBJECTS:"{{ rule.context }}"}</value>
</condition>
</conditions>
</filter>
{%- endif %}
<item_prototypes>
{%- for item in items %}
<item_prototype>
<uuid>{{ [seed, item.id]|join('/')|zuuid }}</uuid>
<name>Redis Sentinel[{{ '{#' }}LOCATION}] - {{ item.name|e }}</name>
<type>{{ item.type }}</type>
<key>{{ item.key|e }}</key>
{%- if 'delay' in item and item.delay %}
<delay>{$REDIS_SENTINEL.ITEM_UPDATE_INTERVAL}</delay>
{%- elif version in ('6.0', '6.2', '6.4', '7.0') %}
<delay>0</delay>
{%- endif %}
{%- if 'history' in item and not item.history %}
<history>0</history>
{%- else %}
<history>{$REDIS_SENTINEL.ITEM_HISTORY_STORAGE_PERIOD}</history>
{%- endif %}
{%- if 'trends' in item and not item.trends %}
{%- if version in ('6.0', '6.2', '6.4', '7.0') %}
<trends>0</trends>
{%- endif %}
{%- else %}
<trends>{$REDIS_SENTINEL.ITEM_TREND_STORAGE_PERIOD}</trends>
{%- endif %}
<value_type>{{ item.value_type }}</value_type>
<units>{{ item.units|default('')|e }}</units>
<params>{{ item.params|default('')|e }}</params>
{%- if 'preprocessing' in item %}
<preprocessing>
{%- for step in item.preprocessing %}
<step>
<type>{{ step.type }}</type>
<parameters>
{%- for param in step.params|default([]) %}
<parameter>{{ param|e }}</parameter>
{%- endfor %}
</parameters>
<error_handler>{{ step.error_handler|default('ORIGINAL_ERROR') }}</error_handler>
</step>
{%- endfor %}
</preprocessing>
{%- endif %}
{%- if 'master_item_key' in item %}
<master_item>
<key>{{ item.master_item_key|e }}</key>
</master_item>
{%- endif %}
<tags>
<tag>
<tag>Application</tag>
<value>Redis Sentinel</value>
</tag>
</tags>
{%- if 'triggers' in item %}
<trigger_prototypes>
{%- for definition in item.triggers %}
<trigger_prototype>
{{ trigger(definition) }}
</trigger_prototype>
{%- endfor %}
</trigger_prototypes>
{%- endif %}
</item_prototype>
{%- endfor %}
</item_prototypes>
<trigger_prototypes>
{%- for definition in triggers %}
<trigger_prototype>
{{ trigger(definition) }}
</trigger_prototype>
{%- endfor %}
</trigger_prototypes>
</discovery_rule>
{%- endmacro -%}
{#-#########################################################################-#}
{#- MAIN -#}
{#-#########################################################################-#}
<?xml version="1.0" encoding="UTF-8"?>
<zabbix_export>
<version>{{ version }}</version>
{%- if version in ('6.0', '6.2') %}
<date>2018-10-30T08:22:30Z</date>
{%- endif %}
{%- if version != '6.0' %}
<template_groups>
<template_group>
{%- else %}
<groups>
<group>
{%- endif %}
<uuid>7df96b18c230490a9a0a9e2307226338</uuid>
<name>Templates</name>
{%- if version != '6.0' %}
</template_group>
</template_groups>
{%- else %}
</group>
</groups>
{%- endif %}
<templates>
<template>
<uuid>{{ [seed]|join('/')|zuuid }}</uuid>
<template>Template App {{ name|e }}</template>
<name>Template App {{ name|e }}</name>
{%- if description %}
<description>{{ description|e }}</description>
{%- endif %}
{%- if version not in ('6.0', '6.2') %}
<vendor>
<name>Allenta Consulting S.L.</name>
<version>{{ version }}-{{ release|e }}</version>
</vendor>
{%- endif %}
<groups>
<group>
<name>Templates</name>
</group>
</groups>
{#-##############################################################}
{#- ITEMS #}
{#-##############################################################}
<items>
{%- for item in [
{
'id': 'item-1',
'name': 'stats',
'key': master,
'history': false,
'trends': false,
'value_type': 'TEXT',
'triggers': [],
},
{
'id': 'item-2',
'name': '$1 processes',
'key': 'proc.num[redis-sentinel]',
'value_type': 'UNSIGNED',
'triggers': [
{
'id': 'trigger-1.1',
'name': 'Redis Sentinel is not running',
'expression':
'last(/Template App ' + name + '/proc.num[redis-sentinel])'
'<{$REDIS_SENTINEL.PROCESSES.MIN}',
'priority': 'DISASTER',
},
],
},
] %}
<item>
<uuid>{{ [seed, item.id]|join('/')|zuuid }}</uuid>
<name>Redis Sentinel - {{ item.name|e }}</name>
<type>ZABBIX_ACTIVE</type>
<key>{{ item.key|e }}</key>
<delay>{$REDIS_SENTINEL.ITEM_UPDATE_INTERVAL}</delay>
{%- if 'history' in item and not item.history %}
<history>0</history>
{%- else %}
<history>{$REDIS_SENTINEL.ITEM_HISTORY_STORAGE_PERIOD}</history>
{%- endif %}
{%- if 'trends' in item and not item.trends %}
{%- if version in ('6.0', '6.2', '6.4', '7.0') %}
<trends>0</trends>
{%- endif %}
{%- else %}
<trends>{$REDIS_SENTINEL.ITEM_TREND_STORAGE_PERIOD}</trends>
{%- endif %}
<value_type>{{ item.value_type }}</value_type>
<units>{{ item.units|default('')|e }}</units>
<tags>
<tag>
<tag>Application</tag>
<value>Redis Sentinel</value>
</tag>
</tags>
{%- if item.triggers %}
<triggers>
{%- for definition in item.triggers %}
<trigger>
{{ trigger(definition) }}
</trigger>
{%- endfor %}
</triggers>
{%- endif %}
{%- if item.name == 'stats' %}
<preprocessing>
<step>
<type>JAVASCRIPT</type>
<parameters>
<parameter>
var exclusions = '{$REDIS_SENTINEL.EXCLUDED_STATS}'.trim();
// This check is not just a simple optimization to avoid using never matching
// regexps like '^(?!)' when filtering is not needed. JavaScript based filtering
// effectively limits precision of numeric values and it could trigger rendering
// of values using scientific notation.
if (exclusions !== '') {
exclusions = new RegExp(exclusions);
var stats = JSON.parse(value);
Object.keys(stats).forEach(function(key) {
var name = key.replace(/^[^.]*[.]/, '');
if (exclusions.test(name)) {
delete stats[key];
}
});
return JSON.stringify(stats);
} else {
return value;
}
</parameter>
</parameters>
</step>
</preprocessing>
{%- endif %}
</item>
{%- endfor %}
</items>
{#-##############################################################}
{#- DISCOVERY RULES #}
{#-##############################################################}
<discovery_rules>
{#-##########################################################}
{#- ITEMS DISCOVERY #}
{#-##########################################################}
{{ discovery_rule(
{
'id': 'discovery-rule-1',
'name': 'Items discovery',
'key': 'redis_sentinel.discovery["{$REDIS_SENTINEL.LOCATIONS}","items"]',
'context': 'items',
},
[
{
'id': 'item-prototype-1.1',
'name': 'sentinel:sentinel_masters',
'type': 'DEPENDENT',
'key': 'redis_sentinel.info["{#LOCATION_ID}","sentinel:sentinel_masters"]',
'value_type': 'UNSIGNED',
'master_item_key': master,
'preprocessing': [
{
'type': 'JSONPATH',
'params': ['$[\'{#LOCATION_ID}.sentinel:sentinel_masters\']'],
'error_handler': 'DISCARD_VALUE',
},
],
},
{
'id': 'item-prototype-1.2',
'name': 'sentinel:sentinel_running_scripts',
'type': 'DEPENDENT',
'key': 'redis_sentinel.info["{#LOCATION_ID}","sentinel:sentinel_running_scripts"]',
'value_type': 'UNSIGNED',
'master_item_key': master,
'preprocessing': [
{
'type': 'JSONPATH',
'params': ['$[\'{#LOCATION_ID}.sentinel:sentinel_running_scripts\']'],
'error_handler': 'DISCARD_VALUE',
},
],
},
{
'id': 'item-prototype-1.3',
'name': 'sentinel:sentinel_scripts_queue_length',
'type': 'DEPENDENT',
'key': 'redis_sentinel.info["{#LOCATION_ID}","sentinel:sentinel_scripts_queue_length"]',
'value_type': 'UNSIGNED',
'master_item_key': master,
'preprocessing': [
{
'type': 'JSONPATH',
'params': ['$[\'{#LOCATION_ID}.sentinel:sentinel_scripts_queue_length\']'],
'error_handler': 'DISCARD_VALUE',
},
],
},
{
'id': 'item-prototype-1.4',
'name': 'server:uptime_in_seconds',
'type': 'DEPENDENT',
'key': 'redis_sentinel.info["{#LOCATION_ID}","server:uptime_in_seconds"]',
'value_type': 'UNSIGNED',
'units': 'uptime',
'master_item_key': master,
'preprocessing': [
{
'type': 'JSONPATH',
'params': ['$[\'{#LOCATION_ID}.server:uptime_in_seconds\']'],
'error_handler': 'DISCARD_VALUE',
},
],
'triggers': [
{
'id': 'trigger-prototype-1.4.1',
'name': 'Redis Sentinel[{#LOCATION}] has been restarted',
'expression':
'last(/Template App ' + name + '/redis_sentinel.info["{#LOCATION_ID}","server:uptime_in_seconds"])'
'<{$REDIS_SENTINEL.UPTIME.MIN:"{#LOCATION_ID}"}',
'priority': 'HIGH',
},
],
},
],
[]) }}
{#-##########################################################}
{#- MASTERS DISCOVERY #}
{#-##########################################################}
{{ discovery_rule(
{
'id': 'discovery-rule-2',
'name': 'Masters discovery',
'key': 'redis_sentinel.discovery["{$REDIS_SENTINEL.LOCATIONS}","masters"]',
'context': 'masters',
},
[
{
'id': 'item-prototype-2.1',
'name': 'masters:{#SUBJECT}:ckquorum',
'type': 'DEPENDENT',
'key': 'redis_sentinel.info["{#LOCATION_ID}","masters:{#SUBJECT_ID}:ckquorum"]',
'value_type': 'UNSIGNED',
'master_item_key': master,
'preprocessing': [
{
'type': 'JSONPATH',
'params': ['$[\'{#LOCATION_ID}.masters:{#SUBJECT_ID}:ckquorum\']'],
'error_handler': 'DISCARD_VALUE',
},
{
'type': 'BOOL_TO_DECIMAL',
},
],
'triggers': [
{
'id': 'trigger-prototype-2.1.1',
'name': 'Redis Sentinel[{#LOCATION}] {#SUBJECT} cannot reach quorum',
'expression':
'{$REDIS_SENTINEL.QUORUM.ENABLED:"{#LOCATION_ID}:{#SUBJECT_ID}"} and '
'last(/Template App ' + name + '/redis_sentinel.info["{#LOCATION_ID}","masters:{#SUBJECT_ID}:ckquorum"])'
'<>1',
'priority': 'HIGH',
},
],
},
{
'id': 'item-prototype-2.2',
'name': 'masters:{#SUBJECT}:sentinels',
'type': 'DEPENDENT',
'key': 'redis_sentinel.info["{#LOCATION_ID}","masters:{#SUBJECT_ID}:sentinels"]',
'value_type': 'UNSIGNED',
'master_item_key': master,
'preprocessing': [
{
'type': 'JSONPATH',
'params': ['$[\'{#LOCATION_ID}.masters:{#SUBJECT_ID}:sentinels\']'],
'error_handler': 'DISCARD_VALUE',
},
],
},
{
'id': 'item-prototype-2.3',
'name': 'masters:{#SUBJECT}:slaves',
'type': 'DEPENDENT',
'key': 'redis_sentinel.info["{#LOCATION_ID}","masters:{#SUBJECT_ID}:slaves"]',
'value_type': 'UNSIGNED',
'master_item_key': master,
'preprocessing': [
{
'type': 'JSONPATH',
'params': ['$[\'{#LOCATION_ID}.masters:{#SUBJECT_ID}:slaves\']'],
'error_handler': 'DISCARD_VALUE',
},
],
},
{
'id': 'item-prototype-2.4',
'name': 'masters:{#SUBJECT}:status',
'type': 'DEPENDENT',
'key': 'redis_sentinel.info["{#LOCATION_ID}","masters:{#SUBJECT_ID}:status"]',
'trends': false,
'value_type': 'TEXT',
'master_item_key': master,
'preprocessing': [
{
'type': 'JSONPATH',
'params': ['$[\'{#LOCATION_ID}.masters:{#SUBJECT_ID}:status\']'],
'error_handler': 'DISCARD_VALUE',
},
],
},
{
'id': 'item-prototype-2.5',
'name': 'masters:{#SUBJECT}:usable_sentinels',
'type': 'DEPENDENT',
'key': 'redis_sentinel.info["{#LOCATION_ID}","masters:{#SUBJECT_ID}:usable_sentinels"]',
'value_type': 'UNSIGNED',
'master_item_key': master,
'preprocessing': [
{
'type': 'JSONPATH',
'params': ['$[\'{#LOCATION_ID}.masters:{#SUBJECT_ID}:usable_sentinels\']'],
'error_handler': 'DISCARD_VALUE',
},
],
},
],
[
{
'id': 'trigger-prototype-2.1',
'name': 'Redis Sentinel[{#LOCATION}] {#SUBJECT} is not able to use all sentinels',
'expression':
'{$REDIS_SENTINEL.USABLE_SENTINELS.ENABLED:"{#LOCATION_ID}:{#SUBJECT_ID}"} and '
'last(/Template App ' + name + '/redis_sentinel.info["{#LOCATION_ID}","masters:{#SUBJECT_ID}:sentinels"])'
'<>last(/Template App ' + name + '/redis_sentinel.info["{#LOCATION_ID}","masters:{#SUBJECT_ID}:usable_sentinels"])',
'priority': 'HIGH',
},
]) }}
</discovery_rules>
{#-##############################################################}
{#- TAGS #}
{#-##############################################################}
<tags>
<tag>
<tag>Application</tag>
<value>Redis Sentinel</value>
</tag>
</tags>
{#-##############################################################}
{#- MACROS #}
{#-##############################################################}
<macros>
{%- for macro in [
('{$REDIS_SENTINEL.LOCATIONS}', ''),
('{$REDIS_SENTINEL.EXCLUDED_STATS}', ''),
('{$REDIS_SENTINEL.PROCESSES.MIN}', '1'),
('{$REDIS_SENTINEL.LLD_EXCLUDED_SUBJECTS}', '^(?!)'),
('{$REDIS_SENTINEL.LLD_KEEP_LOST_RESOURCES_PERIOD}', '30d'),
('{$REDIS_SENTINEL.LLD_UPDATE_INTERVAL}', '1h'),
('{$REDIS_SENTINEL.ITEM_HISTORY_STORAGE_PERIOD}', '30d'),
('{$REDIS_SENTINEL.ITEM_TREND_STORAGE_PERIOD}', '365d'),
('{$REDIS_SENTINEL.ITEM_UPDATE_INTERVAL}', '1m'),
('{$REDIS_SENTINEL.UPTIME.MIN}', '10m'),
('{$REDIS_SENTINEL.QUORUM.ENABLED}', '1'),
('{$REDIS_SENTINEL.USABLE_SENTINELS.ENABLED}', '1'),
] %}
<macro>
<macro>{{ macro[0]|e }}</macro>
<value>{{ macro[1]|e }}</value>
</macro>
{%- endfor %}
</macros>
</template>
</templates>
</zabbix_export>