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  1. ZABBIX BUGS AND ISSUES
  2. ZBX-21337

"Cannot read data from SSH server" happens when SSH agent script includes |(pipe)

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Details

    • Problem report
    • Status: READY TO DEVELOP
    • Trivial
    • Resolution: Unresolved
    • 6.0.6
    • Proxy (P), Server (S)
    • None
    • "Server&Client: CentOS 8 with libssh-0.8.5-2.el8.x86_64"
      or
      "Server&Client: Ubuntu 20.04 with libssh2-1:amd64 1.8.0-2.1build1
      amd64 SSH2 client-side library"
    • Team A
    • Sprint 90 (Jul 2022), Sprint 91 (Aug 2022)
    • 1

    Description

      Steps to reproduce:
      Set Items like below, wait several minutes.

      If "Executed script" has pipe(ex. ps aux |grep zabbix), below error happens.
      No pipe(ex. ps aux), no errors.

          2437:20220714:154615.536 item "linux_test:ssh.run[test]" became not supported: Cannot read data from SSH server
        2434:20220714:154740.596 item "linux_test:ssh.run[test]" became supported
        2435:20220714:155139.757 item "linux_test:ssh.run[test]" became not supported: Cannot read data from SSH server
        2435:20220714:155539.932 item "linux_test:ssh.run[test]" became supported
        2437:20220714:155739.995 item "linux_test:ssh.run[test]" became not supported: Cannot read data from SSH server
        2434:20220714:155940.076 item "linux_test:ssh.run[test]" became supported
        

      Expected:
      No error "SSH agent" script with |(pipe)

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          People

            wiper Andris Zeila
            yIn Syusei YIn
            Votes:
            1 Vote for this issue
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            6 Start watching this issue

            Dates

              Created:
              Updated: