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  1. ZABBIX BUGS AND ISSUES
  2. ZBX-21660

1. Failed: cannot extract value from json by path "$[?(@.fsname=='/')].bytes.pfree.first()": no data matches the specified pat

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    • Incident report
    • Resolution: Won't fix
    • Trivial
    • None
    • None
    • Templates (T)
    • None
    • Ubuntu

    Description

      Steps to reproduce:

      1. Create Template for Linux disk space
      2. Create Discover Rule (mounted file system)
        preprocessing Json path - $[?(@.fsname=='/')].bytes.pfree.first()
        LLD Macro ({#FSNAME} - $.fsname) ( {#FSTYPE} - $.fstype)
        Filters ({#FSTYPE} matches @File systems for discovery
      1. Create Item prototype (Free Disk Space on {#FSNAME} (%))
        key: vfs.fs.size[ {#FSNAME},pfree|#FSNAME},pfree]
        no Preprocessing

        # Create a trigger prototype (   Low Disk Space less than 5%)

        # Add template to the host

        Result:
        Error
        Preprocessing failed for: [{"
        {#FSNAME}

        ":"/sys","{#FSTYPE}":"sysfs"},{"

        {#FSNAME}

        ":"/proc","{#FSTYPE}":"proc"},{"
        {#FSNAME}

      ":"...
      1. Failed: cannot extract value from json by path "$[?(@.fsname=='/')].bytes.pfree.first()": no data matches the specified path


       

      Data (zabbix_get -s 127.0.0.1 -k vfs.fs.get)

       

      [{"fsname":"/dev","fstype":"devtmpfs","bytes":
      {"total":1011806208,"free":1011806208,"used":0,"pfree":100.000000,"pused":0.000000}
      ,"inodes":{"total":247023,"free":246654,"used":369,"pfree":99.850621,"pused":0.149379}},{"fsname":"/run","fstype":"tmpfs","bytes":
      {"total":208801792,"free":208195584,"used":606208,"pfree":99.709673,"pused":0.290327}
      ,"inodes":{"total":254881,"free":254350,"used":531,"pfree":99.791667,"pused":0.208333}},{"fsname":"/","fstype":"ext4","bytes":
      {"total":20995383296,"free":15323693056,"used":4711186432,"pfree":76.485077,"pused":23.514923}
      ,"inodes":{"total":1310720,"free":1075174,"used":235546,"pfree":82.029266,"pused":17.970734}},{"fsname":"/dev/shm","fstype":"tmpfs","bytes":
      {"total":1043992576,"free":1043992576,"used":0,"pfree":100.000000,"pused":0.000000}
      ,"inodes":{"total":254881,"free":254880,"used":1,"pfree":99.999608,"pused":0.000392}},{"fsname":"/run/lock","fstype":"tmpfs","bytes":
      {"total":5242880,"free":5242880,"used":0,"pfree":100.000000,"pused":0.000000}
      ,"inodes":{"total":254881,"free":254877,"used":4,"pfree":99.998431,"pused":0.001569}},{"fsname":"/sys/fs/cgroup","fstype":"tmpfs","bytes":
      {"total":1043992576,"free":1043992576,"used":0,"pfree":100.000000,"pused":0.000000}
      ,"inodes":{"total":254881,"free":254860,"used":21,"pfree":99.991761,"pused":0.008239}},{"fsname":"/run/cgmanager/fs","fstype":"tmpfs","bytes":
      {"total":102400,"free":102400,"used":0,"pfree":100.000000,"pused":0.000000}
      ,"inodes":{"total":254881,"free":254880,"used":1,"pfree":99.999608,"pused":0.000392}},{"fsname":"/run/cgmanager/fs","fstype":"tmpfs","bytes":
      {"total":102400,"free":102400,"used":0,"pfree":100.000000,"pused":0.000000}
      ,"inodes":{"total":254881,"free":254880,"used":1,"pfree":99.999608,"pused":0.000392}},{"fsname":"/run/cgmanager/fs","fstype":"tmpfs","bytes":
      {"total":102400,"free":102400,"used":0,"pfree":100.000000,"pused":0.000000}
      ,"inodes":{"total":254881,"free":254880,"used":1,"pfree":99.999608,"pused":0.000392}},{"fsname":"/run/cgmanager/fs","fstype":"tmpfs","bytes":
      {"total":102400,"free":102400,"used":0,"pfree":100.000000,"pused":0.000000}
      ,"inodes":{"total":254881,"free":254880,"used":1,"pfree":99.999608,"pused":0.000392}},{"fsname":"/run/cgmanager/fs","fstype":"tmpfs","bytes":
      {"total":102400,"free":102400,"used":0,"pfree":100.000000,"pused":0.000000}
      ,"inodes":{"total":254881,"free":254880,"used":1,"pfree":99.999608,"pused":0.000392}},{"fsname":"/run/user/1000","fstype":"tmpfs","bytes":
      {"total":208797696,"free":208797696,"used":0,"pfree":100.000000,"pused":0.000000}
      ,"inodes":{"total":254881,"free":254870,"used":11,"pfree":99.995684,"pused":0.004316}}]
      

       

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            agavrilovs Aleksandrs Petrovs-Gavrilovs
            ahesh.lakmalww Ahesh Lakmal
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              Created:
              Updated:
              Resolved: