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Error when running zfs.py under zabbix-agent #12

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bmansvk opened this issue Feb 28, 2022 · 2 comments
Open

Error when running zfs.py under zabbix-agent #12

bmansvk opened this issue Feb 28, 2022 · 2 comments

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@bmansvk
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bmansvk commented Feb 28, 2022 •
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When I execute following from Zabbix server, I see following error:

$ zabbix_get -s 10.165.254.254 -k zfs
Traceback (most recent call last):
  File "/etc/zabbix/scripts/zfs.py", line 171, in <module>
    scrub, vdev_errors = pool_status()
  File "/etc/zabbix/scripts/zfs.py", line 70, in pool_status
    ], split=r'\s+')
  File "/etc/zabbix/scripts/zfs.py", line 17, in run
    stderr=DEVNULL
  File "/usr/lib64/python3.6/subprocess.py", line 356, in check_output
    **kwargs).stdout
  File "/usr/lib64/python3.6/subprocess.py", line 438, in run
    output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['/sbin/zpool', 'status', '-Pp']' returned non-zero exit status 1.

But running zfs.py under zabbix user on monitored server it runs OK:

$ /etc/zabbix/scripts/zfs.py
{
  "vdevs": {
    "/dev/disk/by-id/wwn-0x5000c500861366f7-part1": {
      "name": "/dev/disk/by-id/wwn-0x5000c500861366f7-part1",
      "size": 0,
      "alloc": 0,
      "free": 0,
      "frag": 0,
      "usage": 0,
      "online": 1,
      "errors": {
        "read": 0,
        "write": 0,
        "cksum": 0
      }
    },
    "/dev/disk/by-id/wwn-0x5000c50086127bab-part1": {
      "name": "/dev/disk/by-id/wwn-0x5000c50086127bab-part1",
      "size": 0,
      "alloc": 0,
      "free": 0,
      "frag": 0,
      "usage": 0,
      "online": 1,
      "errors": {
        "read": 0,
        "write": 0,
        "cksum": 0
      }
    },
    "/dev/disk/by-id/wwn-0x5000c50086129857-part1": {
      "name": "/dev/disk/by-id/wwn-0x5000c50086129857-part1",
      "size": 0,
      "alloc": 0,
      "free": 0,
      "frag": 0,
      "usage": 0,
      "online": 1,
      "errors": {
        "read": 0,
        "write": 0,
        "cksum": 0
      }
    },
    "/dev/disk/by-id/wwn-0x5000c500861374f3-part1": {
      "name": "/dev/disk/by-id/wwn-0x5000c500861374f3-part1",
      "size": 0,
      "alloc": 0,
      "free": 0,
      "frag": 0,
      "usage": 0,
      "online": 1,
      "errors": {
        "read": 0,
        "write": 0,
        "cksum": 0
      }

Output seems to be OK.

$ /sbin/zpool status -Pp
  pool: dpoolsas00
 state: ONLINE
  scan: scrub repaired 0B in 08:25:28 with 0 errors on Sat Feb 26 06:40:27 2022
config:

	NAME                                                                                                                           STATE     READ WRITE CKSUM
	dpoolsas00                                                                                                                     ONLINE       0     0     0
	  mirror-0                                                                                                                     ONLINE       0     0     0
	    /dev/disk/by-id/wwn-0x5000c500861366f7-part1                                                                               ONLINE       0     0     0
	    /dev/disk/by-id/wwn-0x5000c50086127bab-part1                                                                               ONLINE       0     0     0
	  mirror-1                                                                                                                     ONLINE       0     0     0
	    /dev/disk/by-id/wwn-0x5000c50086129857-part1                                                                               ONLINE       0     0     0
	    /dev/disk/by-id/wwn-0x5000c500861374f3-part1                                                                               ONLINE       0     0     0
	  mirror-4                                                                                                                     ONLINE       0     0     0
	    /dev/disk/by-id/wwn-0x5000c50086148e4f-part1                                                                               ONLINE       0     0     0
	    /dev/disk/by-id/wwn-0x5000c500c9ebd69b-part1                                                                               ONLINE       0     0     0
	special
	  mirror-3                                                                                                                     ONLINE       0     0     0
	    /dev/disk/by-id/nvme-nvme.8086-435643513534343530304c4634303041474e-494e54454c205353445045444d573430304734-00000001-part1  ONLINE       0     0     0
	    /dev/disk/by-id/nvme-nvme.8086-43564351353434353030583834303041474e-494e54454c205353445045444d573430304734-00000001-part1  ONLINE       0     0     0
	logs
	  mirror-2                                                                                                                     ONLINE       0     0     0
	    /dev/disk/by-id/wwn-nvme.8086-50484d42373432333031544432383043474e-494e54454c2053534450454431443238304741-00000001-part2   ONLINE       0     0     0
	    /dev/disk/by-id/wwn-nvme.8086-50484d42373433353030454832383043474e-494e54454c2053534450454431443238304741-00000001-part2   ONLINE       0     0     0
	cache
	  /dev/disk/by-id/wwn-nvme.8086-50484d42373432333031544432383043474e-494e54454c2053534450454431443238304741-00000001-part4     ONLINE       0     0     0
	  /dev/disk/by-id/wwn-nvme.8086-50484d42373433353030454832383043474e-494e54454c2053534450454431443238304741-00000001-part4     ONLINE       0     0     0

errors: No known data errors

  pool: dpoolsata00
 state: ONLINE
  scan: scrub repaired 0B in 03:12:22 with 0 errors on Sat Feb 26 01:27:29 2022
config:

	NAME                                              STATE     READ WRITE CKSUM
	dpoolsata00                                       ONLINE       0     0     0
	  mirror-0                                        ONLINE       0     0     0
	    /dev/disk/by-id/wwn-0x5000039fe6f3b566-part1  ONLINE       0     0     0
	    /dev/disk/by-id/wwn-0x5000039fe6f3b52d-part1  ONLINE       0     0     0

errors: No known data errors

  pool: dpoolsata01
 state: ONLINE
  scan: scrub repaired 0B in 00:43:45 with 0 errors on Fri Feb 25 22:58:59 2022
config:

	NAME                                              STATE     READ WRITE CKSUM
	dpoolsata01                                       ONLINE       0     0     0
	  raidz1-0                                        ONLINE       0     0     0
	    /dev/disk/by-id/wwn-0x50014ee2b5401324-part1  ONLINE       0     0     0
	    /dev/disk/by-id/wwn-0x50014ee2b53fc66a-part1  ONLINE       0     0     0
	    /dev/disk/by-id/wwn-0x50014ee26997baae-part1  ONLINE       0     0     0
	    /dev/disk/by-id/wwn-0x50014ee20a94f773-part1  ONLINE       0     0     0

errors: No known data errors

Do you have any indea what can be the issue? Running zfs-2.0.7 on RHEL8.
@syntaxerrormmm
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Running zfs-2.0.7 on RHEL8

I suspect it might have to do with SELinux, somehow.
/etc/zabbix is the worst place to put scripts in, the default place would be /usr/lib/zabbix/externalscripts.

@blind-oracle
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No idea. Well, you can move the script wherever you like and adjust the .conf file. And try disabling the SELinux (setenforce 0 or how it's done) and see if that helps.

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@syntaxerrormmm @blind-oracle @bmansvk