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https://issues.apache.org/jira/browse/AMBARI-18705?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aravindan Vijayan updated AMBARI-18705:
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Attachment: AMBARI-17105.patch
> All host metrics not being collected by AMS if user does not have permissions
> to read mount point.
> --------------------------------------------------------------------------------------------------
>
> Key: AMBARI-18705
> URL: https://issues.apache.org/jira/browse/AMBARI-18705
> Project: Ambari
> Issue Type: Bug
> Components: ambari-metrics
> Affects Versions: 2.4.2
> Reporter: Aravindan Vijayan
> Assignee: Aravindan Vijayan
> Priority: Critical
> Fix For: 2.4.2
>
>
> PROBLEM
> Host metrics are not being collected by AMS in certain environments with
> restrictive disks.
> This is because the metrics monitor process which collects the host metrics
> has insufficient permissions to read a mountpoint. It fails rather than
> sending other metrics.
> {code}
> Traceback (most recent call last):
> File "/usr/lib64/python2.7/threading.py", line 811, in __bootstrap_inner
> self.run()
> File "/usr/lib64/python2.7/threading.py", line 1083, in run
> self.function(*self.args, **self.kwargs)
> File
> "/usr/lib/python2.6/site-packages/resource_monitoring/core/metric_collector.py",
> line 45, in process_event
> self.process_host_collection_event(event)
> File
> "/usr/lib/python2.6/site-packages/resource_monitoring/core/metric_collector.py",
> line 76, in process_host_collection_event
> metrics.update(self.host_info.get_combined_disk_usage())
> File
> "/usr/lib/python2.6/site-packages/resource_monitoring/core/host_info.py",
> line 188, in get_combined_disk_usage
> usage = psutil.disk_usage(part.mountpoint)
> File
> "/usr/lib/python2.6/site-packages/resource_monitoring/psutil/build/lib.linux-x86_64-2.7/psutil/__init__.py",
> line 1690, in disk_usage
> return _psplatform.disk_usage(path)
> File
> "/usr/lib/python2.6/site-packages/resource_monitoring/psutil/build/lib.linux-x86_64-2.7/psutil/_psposix.py",
> line 121, in disk_usage
> st = os.statvfs(path)
> OSError: [Errno 13] Permission denied: '/abc/def/mountpoint'
> {code}
> {code}
> [root@ctr-e45-1475874954070-13451-01-000004 ~]# ls -lrt /abc/def/mountpoint
> total 4
> drwx--x--- 4 nobody 3004 36 Oct 26 07:20 filecache
> drwxr-s--- 5 nobody 3004 4096 Oct 26 07:21
> container_e45_1475874954070_13451_01_000004
> {code}
> FIX
> In AMS monitor, tolerate this failure and send other host metrics.
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