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Posted to issues@ambari.apache.org by "Yusaku Sako (JIRA)" <ji...@apache.org> on 2017/03/20 21:44:41 UTC

[jira] [Updated] (AMBARI-19746) Ambari HDFS Metric alerts turns to UNKNOWN status with error "argument of type 'NoneType' is not iterable"

     [ https://issues.apache.org/jira/browse/AMBARI-19746?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yusaku Sako updated AMBARI-19746:
---------------------------------
    Reporter: Kishor Ramakrishnan  (was: Dmytro Sen)

> Ambari HDFS Metric alerts turns to UNKNOWN status with error "argument of type 'NoneType' is not iterable"
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-19746
>                 URL: https://issues.apache.org/jira/browse/AMBARI-19746
>             Project: Ambari
>          Issue Type: Bug
>          Components: alerts
>    Affects Versions: 2.5.0
>            Reporter: Kishor Ramakrishnan
>            Assignee: Dmytro Sen
>            Priority: Blocker
>             Fix For: 2.5.0
>
>         Attachments: AMBARI-19746_2.patch, AMBARI-19746.patch
>
>
> Build used : 	ambari-2.5.0.0-724
> Test is updating the alert definition minimumValue to "0.0".
> Payload used to update the minimumValue
> {code:java}
> /{
> 	"AlertDefinition": {
> 		"cluster_name": "cl1",
> 		"id": 81,
> 		"name": "increase_nn_heap_usage_daily",
> 		"label": "NameNode Heap Usage (Daily)",
> 		"component_name": "NAMENODE",
> 		"description": "This service-level alert is triggered if the NameNode heap usage deviation has grown beyond the specified threshold within a day period.",
> 		"enabled": true,
> 		"ignore_host": false,
> 		"interval": 1,
> 		"scope": "ANY",
> 		"service_name": "HDFS",
> 		"source": {
> 			"parameters": [{
> 				"name": "mergeHaMetrics",
> 				"display_name": "Whether active and stanby NameNodes metrics should be merged",
> 				"value": "false",
> 				"description": "Whether active and stanby NameNodes metrics should be merged.",
> 				"type": "STRING",
> 				"visibility": "HIDDEN"
> 			}, {
> 				"name": "interval",
> 				"display_name": "Time interval in minutes",
> 				"value": "1440.0",
> 				"description": "Time interval in minutes.",
> 				"type": "NUMERIC",
> 				"visibility": "HIDDEN"
> 			}, {
> 				"name": "appId",
> 				"display_name": "AMS application id",
> 				"value": "NAMENODE",
> 				"description": "The application id used to retrieve the metric.",
> 				"type": "STRING",
> 				"visibility": "HIDDEN"
> 			}, {
> 				"name": "metricName",
> 				"display_name": "Metric Name",
> 				"value": "jvm.JvmMetrics.MemHeapUsedM",
> 				"description": "The metric to monitor.",
> 				"type": "STRING",
> 				"visibility": "HIDDEN"
> 			}, {
> 				"name": "metric.deviation.warning.threshold",
> 				"display_name": "Growth Rate",
> 				"value": "20.0",
> 				"description": "The percentage of NameNode heap usage growth.",
> 				"type": "PERCENT"
> 			}, {
> 				"name": "metric.deviation.critical.threshold",
> 				"display_name": "Growth Rate",
> 				"value": "50.0",
> 				"description": "The percentage of NameNode heap usage growth.",
> 				"type": "PERCENT"
> 			}, {
> 				"name": "metric.units",
> 				"display_name": "Metric Units",
> 				"value": "MB",
> 				"description": "The units that the metric data points are reported in.",
> 				"type": "STRING",
> 				"visibility": "HIDDEN"
> 			}, {
> 				"name": "minimumValue",
> 				"display_name": "Minimum Heap",
> 				"value": "0.0",
> 				"description": "The minimum heap increase in a day.",
> 				"type": "NUMERIC"
> 			}],
> 			"path": "HDFS/2.1.0.2.0/package/alerts/alert_metrics_deviation.py",
> 			"type": "SCRIPT"
> 		}
> 	}
> }
> {code}
> Alert response :
> {code:java}
> 03:14:20 AM 01-25-2017 AmbariItems FINE - API call response:{
>   "href" : "http://172.27.9.139:8080/api/v1/clusters/cl1/alerts/119",
>   "Alert" : {
>     "cluster_name" : "cl1",
>     "component_name" : "NAMENODE",
>     "definition_id" : 81,
>     "definition_name" : "increase_nn_heap_usage_daily",
>     "firmness" : "HARD",
>     "host_name" : "ctr-e126-1485243696039-2656-01-000006.hwx.site",
>     "id" : 119,
>     "instance" : null,
>     "label" : "NameNode Heap Usage (Daily)",
>     "latest_timestamp" : 1485314039820,
>     "maintenance_state" : "OFF",
>     "occurrences" : 13,
>     "original_timestamp" : 1485313319818,
>     "repeat_tolerance" : 1,
>     "repeat_tolerance_remaining" : 0,
>     "scope" : "ANY",
>     "service_name" : "HDFS",
>     "state" : "UNKNOWN",
>     "text" : "argument of type 'NoneType' is not iterable"
>   }
> }
> {code}
> Note : Test used to pass consistently.



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