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From "Jonathan Hurley (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-10816) Expose Customizable Parameters For SCRIPT Alerts
Date Wed, 29 Apr 2015 03:52:06 GMT
Jonathan Hurley created AMBARI-10816:
----------------------------------------

             Summary: Expose Customizable Parameters For SCRIPT Alerts
                 Key: AMBARI-10816
                 URL: https://issues.apache.org/jira/browse/AMBARI-10816
             Project: Ambari
          Issue Type: Task
          Components: ambari-agent, ambari-server
    Affects Versions: 2.0.0
            Reporter: Jonathan Hurley
            Assignee: Jonathan Hurley
            Priority: Critical
             Fix For: 2.1.0


Ambari SCRIPT alerts currently do not expose any configurable properties or thresholds. 

Example: Ability to customize "timeout=30" in the Hive Metastore Process alert

https://github.com/apache/ambari/blob/trunk/ambari-server/src/main/resources/common-services/HIVE/0.12.0.2.0/package/alerts/alert_hive_metastore.py

{code:title=Parameters Defined In Definition JSON}
      {
        "name": "ambari_agent_disk_usage",
        "label": "Ambari Agent Disk Usage",
        "description": "This host-level alert is triggered if the amount of disk space used
on a host goes above specific thresholds. The default values are 50% for WARNING and 80% for
CRITICAL.",
        "interval": 1,
        "scope": "HOST",
        "enabled": true,
        "source": {
          "type": "SCRIPT",
          "path": "alert_disk_space.py",
          "parameters": [
            {
            "name": "minimum.free.space",
            "display_name": "Minimum Free Space",
            "value": 5000000000,
            "type": "NUMERIC",
            "description": "The overall amount of free disk space left before an alert is
triggered.",
            "units": "bytes"
            },
            {
            "name": "percent.used.space.warning.threshold",
            "display_name": "Warning",
            "value": 0.5,
            "type": "PERCENT",
            "description": "The percent of disk space consumed before a warning is triggered.",
            "units": "%"
            },
            {
            "name": "percent.free.space.critical.threshold",
            "display_name": "Critical",
            "value": 0.8,
            "type": "PERCENT",
            "description": "The percent of disk space consumed before a critical alert is
triggered.",
            "units": "%"
            }
          ]
        }
      }
{code}

{code:title=Definition Returned From API}
      "AlertDefinition" : {
        "cluster_name" : "c1",
        "id" : 58,
        "label" : "Ambari Agent Disk Usage",
        "name" : "ambari_agent_disk_usage",
        "source" : {
          "parameters" : [
            {
              "display_name" : "Minimum Free Space",
              "description" : "The overall amount of free disk space left before an alert
is triggered.",
              "name" : "minimum.free.space",
              "value" : "5.0E9",
              "type" : "NUMERIC",
              "units" : "bytes"
            },
            {
              "display_name" : "Warning",
              "description" : "The percent of disk space consumed before a warning is triggered.",
              "name" : "percent.used.space.warning.threshold",
              "value" : "0.02",
              "type" : "PERCENT",
              "units" : "%"
            },
            {
              "display_name" : "Critical",
              "description" : "The percent of disk space consumed before a critical alert
is triggered.",
              "name" : "percent.free.space.critical.threshold",
              "value" : "0.01",
              "type" : "PERCENT",
              "units" : "%"
            }
          ],
          "path" : "alert_disk_space.py",
          "type" : "SCRIPT"
        }
      }
{code}



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