lausser / check_printer_health

check_nwc_health is a plugin (monitoring-plugin, not nagios-plugin, see also http://is.gd/PP1330) which checks the health of snmp-enabled printers
GNU Affero General Public License v3.0
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Ricoh Printer alerts "energy saving mode" and "warm up" with warning #5

Closed renepaul77 closed 2 months ago

renepaul77 commented 2 months ago

Hello Gerhard,

We have noticed that the “warm-up” and “energy saving mode” jams are displayed as warnings on Ricoh printers.

Plugin Version: check_printer_health $Revision: 1.2.0.1

check output: I am a RICOH MP C307 1.23 / RICOH Network Printer C model / RICOH Network Scanner C model / RICOH Network Facsimile C model WARNING - Alert: Energiesparmodus {10033} checking displays checking channels checking covers Vordere Abdeckung is coverClosed Rechte Abdeckung is coverClosed ADF-Abdeckung is coverClosed checking alerts Alert: Energiesparmodus {10033}

An email with the same subject and the snmpwalk is already on its way

codeautopilot[bot] commented 2 months ago

Potential solution

The plan to solve the bug involves modifying the alert checking logic in the PrinterSubsystem.pm file to ensure that "energy saving mode" and "warm-up" states are treated as informational messages rather than warnings. This change will prevent these states from being incorrectly flagged as warnings, which is the root cause of the issue reported by the user.

What is causing this bug?

The bug is caused by the overly broad condition in the alert checking logic within the PrinterSubsystem.pm file. The current logic adds a warning for any alert description that does not contain the word "Sleep". This condition does not account for "energy saving mode" or "warm-up" states, leading to these states being incorrectly flagged as warnings.

Code

The necessary changes involve modifying the check method in the PrinterSubsystem.pm file to refine the condition that determines whether an alert should be treated as a warning.

Modified Code

package CheckPrinterHealth::PRINTERMIB::Component::PrinterSubsystem::Alert;
our @ISA = qw(Monitoring::GLPlugin::SNMP::TableItem);
use strict;

sub finish {
  my ($self) = @_;
  $self->{prtAlertDescription} =
      $self->accentfree($self->{prtAlertDescription});
  # empty prtAlertDescription seems to be traps
  $self->{prtAlertAge} = $self->ago_sysuptime($self->{prtAlertTime});
  $self->{prtAlertTimeHuman} = scalar localtime(time - $self->{prtAlertAge});
}

sub check {
  my ($self) = @_;
  $self->add_info(sprintf 'Alert: %s', $self->{prtAlertDescription});
  if ($self->{prtAlertDescription} !~ /Sleep|Energiesparmodus|Warm-up/i) {
    $self->add_warning();
  }
}

Explanation

How to replicate the bug

To replicate the bug, follow these steps:

  1. Set up a Ricoh printer and ensure it is connected to the network.
  2. Use the check_printer_health plugin version 1.2.0.1 to monitor the printer.
  3. Put the printer into "energy saving mode" or "warm-up" state.
  4. Observe the plugin output, which will incorrectly display these states as warnings.

Task

User input/request

Ticket title: Ricoh Printer alerts "energy saving mode" and "warm up" with warning

Ticket Description: Hello Gerhard,

We have noticed that the “warm-up” and “energy saving mode” jams are displayed as warnings on Ricoh printers.

Plugin Version: check_printer_health $Revision: 1.2.0.1

check output:

I am a RICOH MP C307 1.23 / RICOH Network Printer C model / RICOH Network Scanner C model / RICOH Network Facsimile C model
WARNING - Alert: Energiesparmodus {10033}
checking displays
checking channels
checking covers
Vordere Abdeckung is coverClosed
Rechte Abdeckung is coverClosed
ADF-Abdeckung is coverClosed
checking alerts
Alert: Energiesparmodus {10033}

An email with the same subject and the snmpwalk is already on its way

File-level reports

ChangeLog

The ChangeLog file provides a historical record of changes made to the plugin. It includes version numbers, dates, and brief descriptions of the changes. The file does not contain any code but is crucial for documenting modifications and ensuring traceability.

Proposed ChangeLog Entry

* 2024-08-15 1.2.0.2
  handle 'energy saving mode' and 'warm-up' states for Ricoh printers as informational messages instead of warnings

PrinterSubsystem.pm

The file PrinterSubsystem.pm is part of the CheckPrinterHealth plugin, specifically dealing with SNMP monitoring of printer components. The primary function of this file is to gather and process SNMP data related to various printer subsystems such as displays, covers, channels, alerts, inputs, outputs, supplies, markers, and media paths.

The identified issue is due to the overly broad condition in the alert checking logic. By refining the condition to exclude "energy saving mode" and "warm-up" states, we can ensure these states are treated as informational messages rather than warnings. This change should resolve the user's reported issue with Ricoh printers.

Next Steps

  1. Implement the proposed code modification.
  2. Test the changes with Ricoh printers to ensure the "energy saving mode" and "warm-up" states are no longer reported as warnings.
  3. Update the ChangeLog file to document the changes made.

Click here to create a Pull Request with the proposed solution

Files used for this task:

Changes on ChangeLog # ChangeLog Analysis and Report ## Analysis The `ChangeLog` file provides a historical record of changes made to the plugin. It includes version numbers, dates, and brief descriptions of the changes. The file does not contain any code but is crucial for documenting modifications and ensuring traceability. ## Relevant Information The current issue involves Ricoh printers displaying "energy saving mode" and "warm-up" states as warnings. The task for this file is to add an entry describing the changes made to handle these states appropriately. ## Proposed ChangeLog Entry To address the issue, we need to modify the alert checking logic in the `PrinterSubsystem.pm` file. Once those changes are made, we should add an entry to the `ChangeLog` to document this update. ### Suggested ChangeLog Entry ``` * 2024-08-15 1.2.0.2 handle 'energy saving mode' and 'warm-up' states for Ricoh printers as informational messages instead of warnings ``` ## Conclusion The `ChangeLog` file itself does not contain any code that could be the cause of the bug. However, it is essential to update this file after modifying the alert checking logic in the `PrinterSubsystem.pm` file to document the changes made. This ensures that future developers and maintainers are aware of the modifications and the reasons behind them.
Changes on plugins-scripts/CheckPrinterHealth/PRINTERMIB/Component/PrinterSubsystem.pm # Analysis Report for `PrinterSubsystem.pm` ## Overview The file `PrinterSubsystem.pm` is part of the `CheckPrinterHealth` plugin, specifically dealing with SNMP monitoring of printer components. The primary function of this file is to gather and process SNMP data related to various printer subsystems such as displays, covers, channels, alerts, inputs, outputs, supplies, markers, and media paths. ## Identified Issue The user has reported that Ricoh printers are displaying "energy saving mode" and "warm-up" states as warnings. These states should not be treated as warnings but rather as informational messages. ## Relevant Code Sections The relevant part of the code that handles alerts is within the `CheckPrinterHealth::PRINTERMIB::Component::PrinterSubsystem::Alert` package. Specifically, the `check` method is responsible for adding warnings based on the alert descriptions. ### Current Alert Handling Logic ```perl package CheckPrinterHealth::PRINTERMIB::Component::PrinterSubsystem::Alert; our @ISA = qw(Monitoring::GLPlugin::SNMP::TableItem); use strict; sub finish { my ($self) = @_; $self->{prtAlertDescription} = $self->accentfree($self->{prtAlertDescription}); # empty prtAlertDescription seems to be traps $self->{prtAlertAge} = $self->ago_sysuptime($self->{prtAlertTime}); $self->{prtAlertTimeHuman} = scalar localtime(time - $self->{prtAlertAge}); } sub check { my ($self) = @_; $self->add_info(sprintf 'Alert: %s', $self->{prtAlertDescription}); if ($self->{prtAlertDescription} !~ /Sleep/) { $self->add_warning(); } } ``` ### Problematic Logic The current logic adds a warning for any alert description that does not contain the word "Sleep". This is too broad and does not account for "energy saving mode" or "warm-up" states. ## Proposed Solution Modify the `check` method to exclude "energy saving mode" and "warm-up" states from being treated as warnings. These states should be treated as informational messages. ### Modified Code ```perl sub check { my ($self) = @_; $self->add_info(sprintf 'Alert: %s', $self->{prtAlertDescription}); if ($self->{prtAlertDescription} !~ /Sleep|Energiesparmodus|Warm-up/i) { $self->add_warning(); } } ``` ### Explanation - The regular expression in the `if` condition is updated to include "Energiesparmodus" (German for "energy saving mode") and "Warm-up". - The `i` modifier is added to make the match case-insensitive. ## Conclusion The identified issue is due to the overly broad condition in the alert checking logic. By refining the condition to exclude "energy saving mode" and "warm-up" states, we can ensure these states are treated as informational messages rather than warnings. This change should resolve the user's reported issue with Ricoh printers. ## Next Steps 1. Implement the proposed code modification. 2. Test the changes with Ricoh printers to ensure the "energy saving mode" and "warm-up" states are no longer reported as warnings. 3. Update the `ChangeLog` file to document the changes made.
renepaul77 commented 2 months ago

This has fixed the problem