Version 34 -= Heatwaves =-

What's new in this release (Aug 8th, 2024)

FIXES

Build

• Missing header npl_selinux.h in Makefile (noinst_HEADERS).

Libraries

• lib/container: docker API versions before v1.24 are deprecated, so 1.24 is set as the minimum version required.
• lib/sysfsparser: fix gcc warning: ‘crit_temp’ may be used uninitialized.
• lib/sysfsparser: better signature for function sysfsparser_getvalue.

Contrib (Icinga2)

• Fix Icinga2 config for check_clock by Lorenz Kästle.
  Previously the time reference value was evaluated only during the startup of Icinga 2 and therefore a fixed point in time.
  This change makes it a function which gets evaluated every time the check is executed.

ENHANCEMENTS

Plugin check_ifmount

• Add the cmdline switch -l|--list to list the mounted filesystems.
  Same output as the 'mount' command executed without options).

Plugin check_selinux

• New plugin check_selinux that checks if SELinux is enabled.

Package creation

• Add Linux Alpine 3.20 and drop version 3.17
• Add Fedora 40, drop Fedora 38

Documentation

• Fix typo
• Add a link to discussion #147
• Add a note on the Debian package nagios-plugins-contrib

Full Changelog: v33...v34

Version 33 -= Śmigus-Dyngus =-

What's new in this release (Apr 1st, 2024)

FIXES

Build

• configure: do not silently ignore missing libcurl and libvarlink.

Libraries

• lib/netinfo-private: don't enforce nl_pid.
  Thanks to Yuri Konotopov (nE0sIghT) for reporting and solving this problem in containerised environments.
• lib/netinfo-private: fix a Clang 17 warning.

Plugin check_users

• check_users: fix an issue related to the Y2038 Unix bug.
• check_cpufreq: wrong factor in check_cpufreq for -G.
  Thanks to Grischa Zengel (ggzengel) for the bug report.

Tests

• fix tests tslibxstrton_sizetollint and tslibpressure on 32-bit architectures.

ENHANCEMENTS / CHANGES

Package creation

• Add Fedora 39 and drop support for Fedora 36.
• Add Linux Alpine 3.18 and 3.19 and drop support for Linux Alpine 3.14-3.16.
• Add Rocky Linux distribution.
• Fix build of debian packages.

GitHub workflows

• Enable systemd library requirement in the GitHub workflow.
• Update Linux releases for tests execution in the GitHub workflows.

Full Changelog: v32...v33

Version 32 -= Gematria =-

What's new in this release (Jan 25th, 2024)

FIXES

Build

• configure: do not silently ignore missing libcurl and libvarlink.

Libraries

• lib/netinfo-private: don't enforce nl_pid.
  Thanks to Yuri Konotopov (nE0sIghT) for reporting and solving this problem in containerised environments.
• lib/netinfo-private: fix a Clang 17 warning.

Plugin check_users

• check_users: fix an issue related to the Y2038 Unix bug.
• check_cpufreq: wrong factor in check_cpufreq for -G.
  Thanks to Grischa Zengel (ggzengel) for the bug report.

ENHANCEMENTS / CHANGES

Package creation

• Add Fedora 39 and drop support for Fedora 36.
• Add Linux Alpine 3.18 and 3.19 and drop support for Linux Alpine 3.14-3.16.
• Add Rocky Linux distribution.
• Fix build of debian packages.

GitHub workflows

• Enable systemd library requirement in the GitHub workflow.
• Update Linux releases for tests execution in the GitHub workflows.

Version 31 -= Counter-intuitive =-

What's new in nagios-plugins-linux version 31

FIXES

Libraries

• lib/container_docker_memory: fix an issue reported by clang-analyzer.
• Make sure sysfs is mounted in the plugins that require it.

ENHANCEMENTS / CHANGES

Plugin check_filecount

• New plugin check_filecount that returns the number of files found in one or more directories.

Plugin check_memory

• check_memory: support new units kiB/MiB/GiB.
  Feature asked by mdicss.
  See the discussion #120.

contrib/icinga2/CheckCommands.conf

• Contribution from Lorenz RincewindsHat: add icinga2 command configurations.

Build

• configure: ensure libprocps is v4.0.0 or better if the experimental option --enable-libprocps is passed to configure.

Test framework

• Add some unit tests for lib/xstrton.
• New unit tests tslibfiles_{filecount,hiddenfile,size}.

Package creation

• Add Linux Alpine 3.16 and remove version 3.13.
• Do not package experimental plugins in the rpm nagios-plugins-linux-all.
• Add Fedora 36 and drop Fedora 33 support.
• CentOS 8 died a premature death at the end of 2021. Add packages for CentOS Stream 8 and 9.

GitHub workflows

• Build the Nagios Plugins Linux on the LTS Ubuntu versions only. The version 21 seems dead.
• Add build tests for all the supported oses.
• Update the os versions used in tests.
• CentOS 8 died a premature death at the end of 2021. Remove it from the list of test oses.
• Add CodeQL analysis

Version 30 -= Low Pressure =-

What's new in this release

FIXES

Plugin check_pressure

• Display values per second regardless of the delay, and ensure the delta of "some" is calculated correctly.
• Thanks to Christian Bryn (epleterte) for reporting and fixing a typo in the git clone command.

Package creation

• Fix Debian packages creation.

ENHANCEMENTS / CHANGES

Libraries

• lib/netinfo: fix a LGTM static analyzer alert.

Packages

Release updates:

• Add Debian 11 and drop Debian 8,
• Add Fedora 35 and drop Fedora 32,
• Add Linux Alpine 3.15 and drop version 3.12.

Version 29 -= High Temperatures =-

What's new in this release

FIXES

Plugin check_temperature

• Do not display thermal ranges if -t|--thermal_zone in not set at command-line.

ENHANCEMENTS

Plugin check_temperature

• Improve the output message by adding the thermal device when available;
• List also the devices that display a temperature of 0°C to be more consistent with the tool 'sensors';
• Improve the help message;
• New command-line option -l|--list for displyaing the all the thermal sensors reported by the kernel.

Package creation

• Update the list of supported platforms by adding Alpine 3.13 and 3.14 and Fedora 34;
• Several improvements to the Debian packaging (thanks to Vincent Olivert-Riera for the PR);
• Build Debian multi-packages instead of a single package providing all binary plugins.
  This will permit these plugins to cohexist with the Nagios native ones.

Test framework

• Switch to the latest stable OSes in GitHub workflow.

Documentation

• Update the documentation for linking against procps-ng newlib;
• Thanks to Christian Bryn (epleterte) for reporting and fixing a typo in the git clone command.

Version 28 -= Alpine Hike =-

What's new in this release

FIXES

A few Clang and GCC warnings have been fixed.

ENHANCEMENTS

Plugin check_pressure

New plugin check_pressure that reports the Linux Pressure Stall Information (PSI) exported by Linux kernels 4.20+ (in the /proc/pressure/ folder).

check_pressure --cpu      return the cpu pressure metrics
check_pressure --io       return the io (block layer/filesystems) pressure metrics
check_pressure --memory   return the memory pressure metrics

Build system

Here are some notable news:

• Integrate Nagios Plugins for Linux with GitHub Workflow tests;
• Add Linux Alpine and Ubuntu
  to the list of supported and automatically tested Linux distributions;
• Update the list of supported platforms by adding Alpine 3.12 and Fedora 33;
• Make the packages/docker-shell-helpers folder a git submodule.

Package creation

Create also the native package for Alpine 3.12.

Version 27 -= Polish Landscapes =-

What's new in this release

FIXES

• check_multipath: free memory allocated to the pattern buffer by the function regcomp;
• lib/meminfo_procps, lib/vminfo_procps: fix the libprocps-ng:newlib detection at build time (this is an experimental feature because a stable libprocps-ng newlib library has not been released yet).

ENHANCEMENTS

• check_network: highly improved by adding a bunch of new command-line options;
• check_network: support WireGuard interfaces;
• lib/netinfo (check_network): switch from getifaddrs glib call to linux rtnetlink to be able to address more network interface types;
• lib/netinfo-private: switch to ETHTOOL_GLINKSETTINGS when possible (requires Linux kernel 4.9+), revert to the obsolete ETHTOOL_GSET otherwise.

For more details, you can look at the file NEWS.

Version 26 -= Lockdown release =-

What's new in this release

Enhancements

• New (beta) plugin check_podman for checking some runtime metrics of podman running containers. This plugin requires the varlink library and its corresponding development package.
• Add Fedora 32 and CentOS 8 to the supported distributions (rpm package creation).

Fixes

• Fix build with musl by including limits.h when PATH_MAX is used.
• Fix build when '-fno-common' is added to CFLAGS (gcc 10)

For more details, you can look at the file NEWS in the root directory.

Version 25 -= Gentoo release =-

What's new in this release

Security Fixes

Fix two security issues reported by lgtm analyzer, an issue reported by the clang static analyser v8, and some issues reported by Codacy.

Fixes

• Fix compilation when libcurl headers are not installed.
• Fix warning message about obsolete AC_PROG_RANLIB macro usage.
• sysfsparser library: fix debug messages in sysfsparser_thermal_get_temperature().
• check_memory plugin: minor code cleanup and typo fixes.

Enhancements

• Add perfdata to mem_available and mem_used (feature asked by @sbraz).
• Add a build option to disable the linking of libcurl (necessary to build check_docker): --disable-libcurl (feature asked by @sbraz).
• Packages: add support for Fedora 30 and Debian 10 (Buster).

Changes

• Update the external jsmn library.
• Move some functions to the new library perfdata.
• Drop support for building Fedora 24-27 and Debian 6 (Squeeze) packages.

Test framework

New unit test for lib/perfdata.c.