├── .github └── workflows │ ├── build-release-latest.yml │ └── build-release-stable.yml ├── .gitignore ├── LICENSE ├── README.md ├── agents └── plugins │ └── yum ├── build ├── Dockerfile ├── build-entrypoint.sh └── build-modify-extension.py └── lib └── python3 ├── cmk └── base │ └── cee │ └── plugins │ └── bakery │ └── yum.py └── cmk_addons └── plugins └── yum ├── agent_based └── yum.py ├── checkman └── yum └── rulesets ├── yum_cee.py └── yum_check_parameters.py /.github/workflows/build-release-latest.yml: -------------------------------------------------------------------------------- 1 | name: build-release-latest 2 | on: 3 | push: 4 | tags-ignore: 'v*' 5 | branches: '*' 6 | 7 | jobs: 8 | build-package: 9 | runs-on: ubuntu-latest 10 | steps: 11 | - uses: actions/checkout@v4 12 | # build container image for package creation 13 | - run: /usr/bin/docker build -t ${{ github.job }} -f build/Dockerfile . 14 | # actually build .mkp file 15 | - run: /usr/bin/docker run --volume $PWD:/source ${{ github.job }} 16 | # upload results 17 | - uses: actions/upload-artifact@v4 18 | with: 19 | path: ./*.mkp 20 | retention-days: 1 21 | 22 | github-release: 23 | runs-on: ubuntu-latest 24 | needs: build-package 25 | steps: 26 | - uses: actions/download-artifact@v4 27 | - run: cd artifact && md5sum *.mkp > md5sums.txt 28 | - run: cd artifact && sha256sum *.mkp > sha256sums.txt 29 | - uses: marvinpinto/action-automatic-releases@latest 30 | with: 31 | repo_token: "${{ secrets.GITHUB_TOKEN }}" 32 | automatic_release_tag: "latest" 33 | prerelease: true 34 | files: | 35 | artifact/* -------------------------------------------------------------------------------- /.github/workflows/build-release-stable.yml: -------------------------------------------------------------------------------- 1 | name: build-release-stable 2 | on: 3 | push: 4 | tags: 'v*' 5 | 6 | jobs: 7 | build-package: 8 | runs-on: ubuntu-latest 9 | steps: 10 | - uses: actions/checkout@v4 11 | # build container image for package creation 12 | - run: /usr/bin/docker build -t ${{ github.job }} -f build/Dockerfile . 13 | # actually build .mkp file 14 | - run: /usr/bin/docker run --volume $PWD:/source ${{ github.job }} 15 | # upload results 16 | - uses: actions/upload-artifact@v4 17 | with: 18 | path: ./*.mkp 19 | retention-days: 1 20 | 21 | github-release: 22 | runs-on: ubuntu-latest 23 | needs: build-package 24 | steps: 25 | - uses: actions/download-artifact@v4 26 | - run: cd artifact && md5sum *.mkp > md5sums.txt 27 | - run: cd artifact && sha256sum *.mkp > sha256sums.txt 28 | - uses: marvinpinto/action-automatic-releases@latest 29 | with: 30 | repo_token: "${{ secrets.GITHUB_TOKEN }}" 31 | prerelease: false 32 | draft: true 33 | files: | 34 | artifact/* -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | .gitignore 2 | .idea -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 2, June 1991 3 | 4 | Copyright (C) 1989, 1991 Free Software Foundation, Inc., 5 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 6 | Everyone is permitted to copy and distribute verbatim copies 7 | of this license document, but changing it is not allowed. 8 | 9 | Preamble 10 | 11 | The licenses for most software are designed to take away your 12 | freedom to share and change it. By contrast, the GNU General Public 13 | License is intended to guarantee your freedom to share and change free 14 | software--to make sure the software is free for all its users. This 15 | General Public License applies to most of the Free Software 16 | Foundation's software and to any other program whose authors commit to 17 | using it. (Some other Free Software Foundation software is covered by 18 | the GNU Lesser General Public License instead.) You can apply it to 19 | your programs, too. 20 | 21 | When we speak of free software, we are referring to freedom, not 22 | price. Our General Public Licenses are designed to make sure that you 23 | have the freedom to distribute copies of free software (and charge for 24 | this service if you wish), that you receive source code or can get it 25 | if you want it, that you can change the software or use pieces of it 26 | in new free programs; and that you know you can do these things. 27 | 28 | To protect your rights, we need to make restrictions that forbid 29 | anyone to deny you these rights or to ask you to surrender the rights. 30 | These restrictions translate to certain responsibilities for you if you 31 | distribute copies of the software, or if you modify it. 32 | 33 | For example, if you distribute copies of such a program, whether 34 | gratis or for a fee, you must give the recipients all the rights that 35 | you have. You must make sure that they, too, receive or can get the 36 | source code. And you must show them these terms so they know their 37 | rights. 38 | 39 | We protect your rights with two steps: (1) copyright the software, and 40 | (2) offer you this license which gives you legal permission to copy, 41 | distribute and/or modify the software. 42 | 43 | Also, for each author's protection and ours, we want to make certain 44 | that everyone understands that there is no warranty for this free 45 | software. If the software is modified by someone else and passed on, we 46 | want its recipients to know that what they have is not the original, so 47 | that any problems introduced by others will not reflect on the original 48 | authors' reputations. 49 | 50 | Finally, any free program is threatened constantly by software 51 | patents. We wish to avoid the danger that redistributors of a free 52 | program will individually obtain patent licenses, in effect making the 53 | program proprietary. To prevent this, we have made it clear that any 54 | patent must be licensed for everyone's free use or not licensed at all. 55 | 56 | The precise terms and conditions for copying, distribution and 57 | modification follow. 58 | 59 | GNU GENERAL PUBLIC LICENSE 60 | TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 61 | 62 | 0. This License applies to any program or other work which contains 63 | a notice placed by the copyright holder saying it may be distributed 64 | under the terms of this General Public License. The "Program", below, 65 | refers to any such program or work, and a "work based on the Program" 66 | means either the Program or any derivative work under copyright law: 67 | that is to say, a work containing the Program or a portion of it, 68 | either verbatim or with modifications and/or translated into another 69 | language. (Hereinafter, translation is included without limitation in 70 | the term "modification".) Each licensee is addressed as "you". 71 | 72 | Activities other than copying, distribution and modification are not 73 | covered by this License; they are outside its scope. The act of 74 | running the Program is not restricted, and the output from the Program 75 | is covered only if its contents constitute a work based on the 76 | Program (independent of having been made by running the Program). 77 | Whether that is true depends on what the Program does. 78 | 79 | 1. You may copy and distribute verbatim copies of the Program's 80 | source code as you receive it, in any medium, provided that you 81 | conspicuously and appropriately publish on each copy an appropriate 82 | copyright notice and disclaimer of warranty; keep intact all the 83 | notices that refer to this License and to the absence of any warranty; 84 | and give any other recipients of the Program a copy of this License 85 | along with the Program. 86 | 87 | You may charge a fee for the physical act of transferring a copy, and 88 | you may at your option offer warranty protection in exchange for a fee. 89 | 90 | 2. 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You may copy and distribute the Program (or a work based on it, 135 | under Section 2) in object code or executable form under the terms of 136 | Sections 1 and 2 above provided that you also do one of the following: 137 | 138 | a) Accompany it with the complete corresponding machine-readable 139 | source code, which must be distributed under the terms of Sections 140 | 1 and 2 above on a medium customarily used for software interchange; or, 141 | 142 | b) Accompany it with a written offer, valid for at least three 143 | years, to give any third party, for a charge no more than your 144 | cost of physically performing source distribution, a complete 145 | machine-readable copy of the corresponding source code, to be 146 | distributed under the terms of Sections 1 and 2 above on a medium 147 | customarily used for software interchange; or, 148 | 149 | c) Accompany it with the information you received as to the offer 150 | to distribute corresponding source code. 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Many people have made 220 | generous contributions to the wide range of software distributed 221 | through that system in reliance on consistent application of that 222 | system; it is up to the author/donor to decide if he or she is willing 223 | to distribute software through any other system and a licensee cannot 224 | impose that choice. 225 | 226 | This section is intended to make thoroughly clear what is believed to 227 | be a consequence of the rest of this License. 228 | 229 | 8. If the distribution and/or use of the Program is restricted in 230 | certain countries either by patents or by copyrighted interfaces, the 231 | original copyright holder who places the Program under this License 232 | may add an explicit geographical distribution limitation excluding 233 | those countries, so that distribution is permitted only in or among 234 | countries not thus excluded. In such case, this License incorporates 235 | the limitation as if written in the body of this License. 236 | 237 | 9. The Free Software Foundation may publish revised and/or new versions 238 | of the General Public License from time to time. Such new versions will 239 | be similar in spirit to the present version, but may differ in detail to 240 | address new problems or concerns. 241 | 242 | Each version is given a distinguishing version number. If the Program 243 | specifies a version number of this License which applies to it and "any 244 | later version", you have the option of following the terms and conditions 245 | either of that version or of any later version published by the Free 246 | Software Foundation. If the Program does not specify a version number of 247 | this License, you may choose any version ever published by the Free Software 248 | Foundation. 249 | 250 | 10. If you wish to incorporate parts of the Program into other free 251 | programs whose distribution conditions are different, write to the author 252 | to ask for permission. For software which is copyrighted by the Free 253 | Software Foundation, write to the Free Software Foundation; we sometimes 254 | make exceptions for this. Our decision will be guided by the two goals 255 | of preserving the free status of all derivatives of our free software and 256 | of promoting the sharing and reuse of software generally. 257 | 258 | NO WARRANTY 259 | 260 | 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY 261 | FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN 262 | OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES 263 | PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED 264 | OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 265 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS 266 | TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE 267 | PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, 268 | REPAIR OR CORRECTION. 269 | 270 | 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 271 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR 272 | REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, 273 | INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING 274 | OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED 275 | TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY 276 | YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER 277 | PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE 278 | POSSIBILITY OF SUCH DAMAGES. 279 | 280 | END OF TERMS AND CONDITIONS 281 | 282 | How to Apply These Terms to Your New Programs 283 | 284 | If you develop a new program, and you want it to be of the greatest 285 | possible use to the public, the best way to achieve this is to make it 286 | free software which everyone can redistribute and change under these terms. 287 | 288 | To do so, attach the following notices to the program. It is safest 289 | to attach them to the start of each source file to most effectively 290 | convey the exclusion of warranty; and each file should have at least 291 | the "copyright" line and a pointer to where the full notice is found. 292 | 293 | {description} 294 | Copyright (C) {year} {fullname} 295 | 296 | This program is free software; you can redistribute it and/or modify 297 | it under the terms of the GNU General Public License as published by 298 | the Free Software Foundation; either version 2 of the License, or 299 | (at your option) any later version. 300 | 301 | This program is distributed in the hope that it will be useful, 302 | but WITHOUT ANY WARRANTY; without even the implied warranty of 303 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 304 | GNU General Public License for more details. 305 | 306 | You should have received a copy of the GNU General Public License along 307 | with this program; if not, write to the Free Software Foundation, Inc., 308 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 309 | 310 | Also add information on how to contact you by electronic and paper mail. 311 | 312 | If the program is interactive, make it output a short notice like this 313 | when it starts in an interactive mode: 314 | 315 | Gnomovision version 69, Copyright (C) year name of author 316 | Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 317 | This is free software, and you are welcome to redistribute it 318 | under certain conditions; type `show c' for details. 319 | 320 | The hypothetical commands `show w' and `show c' should show the appropriate 321 | parts of the General Public License. Of course, the commands you use may 322 | be called something other than `show w' and `show c'; they could even be 323 | mouse-clicks or menu items--whatever suits your program. 324 | 325 | You should also get your employer (if you work as a programmer) or your 326 | school, if any, to sign a "copyright disclaimer" for the program, if 327 | necessary. Here is a sample; alter the names: 328 | 329 | Yoyodyne, Inc., hereby disclaims all copyright interest in the program 330 | `Gnomovision' (which makes passes at compilers) written by James Hacker. 331 | 332 | {signature of Ty Coon}, 1 April 1989 333 | Ty Coon, President of Vice 334 | 335 | This General Public License does not permit incorporating your program into 336 | proprietary programs. If your program is a subroutine library, you may 337 | consider it more useful to permit linking proprietary applications with the 338 | library. If this is what you want to do, use the GNU Lesser General 339 | Public License instead of this License. 340 | 341 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # checkmk-agent-plugin-yum 2 | 3 | Checks for updates on RPM-based distributions via yum. 4 | 5 | Inspired by https://github.com/lgbff/lgb_check_mk_plugins/tree/master/aptng. 6 | 7 | See [https://docs.checkmk.com/latest/de/mkps.html#H1:Installation,%20Update%20and%20Removal](https://docs.checkmk.com/latest/de/mkps.html#H1:Installation,%20Update%20and%20Removal) for details on Check_MK package management. 8 | 9 | Now built by GitHub Actions. -------------------------------------------------------------------------------- /agents/plugins/yum: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | # Set the version to be captured in newer versions of CheckMK Inventory 3 | CMK_VERSION="0.0.0" 4 | 5 | if [ -z $MK_VARDIR ]; then 6 | echo "ERROR: Unable to load ENV variables" 7 | exit 2 8 | fi 9 | 10 | BOOT_REQUIRED=no 11 | UPDATES=0 12 | SECURITY_UPDATES=0 13 | CACHE_RESULT_CHECK=$MK_VARDIR/cache/yum_result.cache 14 | CACHE_YUM_UPDATE=$MK_VARDIR/cache/yum_update.cache 15 | CACHE_PREV_UPTIME=$MK_VARDIR/cache/yum_uptime.cache 16 | LAST_UPDATE_TIMESTAMP=-1 17 | 18 | # Check which major version we are running so we can run appropriate commands 19 | if [ -f "/etc/os-release" ]; then 20 | MAJOR_VERSION=$(grep -oP '(?<=^VERSION_ID=").*(?=")' /etc/os-release | cut -d '.' -f 1) 21 | else 22 | MAJOR_VERSION=0 23 | fi 24 | 25 | # get current yum state - use cache directory contents as fingerprint 26 | YUM_CURRENT="$(ls -lR /var/cache/{yum,dnf}/ 2>/dev/null)" 27 | 28 | # check if cached listing of /var/cache/yum already exists - create empty one otherwise 29 | if [ ! -e $CACHE_YUM_UPDATE ] 30 | then 31 | touch $CACHE_YUM_UPDATE 32 | elif [ ! -f $CACHE_YUM_UPDATE ] || [ -L $CACHE_YUM_UPDATE ] 33 | then 34 | # something is wrong here... 35 | echo "ERROR: invalid cache file" 36 | exit 2 37 | else 38 | # get cached information 39 | YUM_CACHED=$(cat "$CACHE_YUM_UPDATE") 40 | fi 41 | 42 | # check if cached check result already exists and is nothing but a file 43 | if [ ! -e $CACHE_RESULT_CHECK ] 44 | then 45 | touch $CACHE_RESULT_CHECK 46 | elif [ ! -f $CACHE_RESULT_CHECK ] || [ -L $CACHE_RESULT_CHECK ] 47 | then 48 | # something is wrong here... 49 | echo "ERROR: invalid cache file" 50 | exit 2 51 | fi 52 | 53 | # check if system has rebooted - if so, remove cached check file to avoid wrong "reboot required"-state 54 | RUNNING_SECS=$(cat /proc/uptime | cut -d" " -f1 | cut -d"." -f1) 55 | 56 | # check if cache file with previously seen uptime is existing - create one otherwise 57 | if [ ! -e $CACHE_PREV_UPTIME ] 58 | then 59 | echo 0 > $CACHE_PREV_UPTIME 60 | PREV_UPTIME=0 61 | elif [ ! -f $CACHE_PREV_UPTIME ] || [ -L $CACHE_PREV_UPTIME ] 62 | then 63 | # something is wrong here... 64 | echo "ERROR: invalid cache file" 65 | exit 2 66 | else 67 | # get cached information 68 | PREV_UPTIME=$(cat "$CACHE_PREV_UPTIME") 69 | # save current uptime 70 | echo $RUNNING_SECS > $CACHE_PREV_UPTIME 71 | fi 72 | 73 | # check if current uptime is lower than cached last seen uptime to detect reboot 74 | if (( RUNNING_SECS < PREV_UPTIME )) 75 | then 76 | # remove pre-reboot cache which requires reboot 77 | rm -f $CACHE_RESULT_CHECK 78 | # create empty check cache 79 | touch $CACHE_RESULT_CHECK 80 | fi 81 | 82 | echo "<<>>" 83 | 84 | # compare current and cached yum information 85 | # Update cached data if YUM fingerprint has changed OR machine has recently rebooted. 86 | if [ "$YUM_CURRENT" != "$YUM_CACHED" ] || [ ! -s $CACHE_RESULT_CHECK ] 87 | then 88 | count=0 89 | while [ -n "$(pgrep -f "python (/usr|)/bin/(yum|dnf)")" ]; do 90 | if [ $count -eq 3 ]; then 91 | echo "ERROR: Tried to run yum for 30 secs but another yum instance was running" 92 | exit 2 93 | else 94 | ((count++)) 95 | sleep 10 96 | fi 97 | done 98 | LATEST_KERNEL=$(yum -q -C --noplugins --debuglevel 0 list installed | egrep "^(vz)?kernel(|-(uek|ml|lt))\." | grep "\." | tail -n1 | awk '{print $2};') 99 | RUNNING_KERNEL=$(cat /proc/version | awk '{print $3}' | sed 's/.x86_64//g') 100 | if [[ "$RUNNING_KERNEL" == "$LATEST_KERNEL"* ]] 101 | then 102 | BOOT_REQUIRED="no" 103 | else 104 | BOOT_REQUIRED="yes" 105 | fi 106 | UPDATES=$(waitmax 25 /usr/bin/yum -C --noplugins --quiet list updates | grep "\." | cut -d' ' -f1 | wc -l || echo "-1") 107 | # check if --security is available 108 | # Updated the timeout for the initial security list validation because it takes longer than 10 seconds on many machines 109 | waitmax 25 /usr/bin/yum -C --noplugins --quiet --security list updates > /dev/null 2>&1 110 | if [ $? -eq 0 ] 111 | then 112 | SECURITY_UPDATES=$(waitmax 25 /usr/bin/yum -C --noplugins --quiet --security list updates | grep "\." | cut -d' ' -f1 | wc -l || echo "-1") 113 | else 114 | # --security not supported with this yum version 115 | # maybe the yum-plugin-security package is needed (RH 6) 116 | SECURITY_UPDATES="-2" 117 | fi 118 | 119 | # Check last time of installed Updates from yum history 120 | # Added "list all" to the history command as in situations where 20 or more RPM installs have been completed (non updates 121 | # yum commands) have been run, the script will incorrectly report that the server has never updated 122 | # Yum only lists 20 of the last actions when using only the "history" command. 123 | 124 | # Switch command based on which Major version we are running 125 | if [ "$MAJOR_VERSION" -ge 8 ]; then 126 | 127 | LAST_UPDATE_TIMESTAMP=$(/usr/bin/yum -C --quiet --noplugins history list | awk '{if(NR>2)print}' | grep ' U \|Upgrade\|Update' | cut -d '|' -f3 | head -n 1 | date -f - +"%s" || echo "-1") 128 | else 129 | LAST_UPDATE_TIMESTAMP=$(/usr/bin/yum -C --quiet --noplugins history list all| awk '{if(NR>2)print}' | grep ' U \|Upgrade\|Update' | cut -d '|' -f3 | head -n 1 | date -f - +"%s" || echo "-1") 130 | fi 131 | # Add check in case this is a brand new built machine that has had 132 | # up to date pacakges installed during build. In this case, neither 133 | # command above will have yielded a value and LAST_UPDATE_TIMESTAMP 134 | # will be empty 135 | 136 | if [ "$LAST_UPDATE_TIMESTAMP" == "" ]; then LAST_UPDATE_TIMESTAMP=-1; fi 137 | 138 | 139 | echo $BOOT_REQUIRED 140 | echo $UPDATES 141 | echo $SECURITY_UPDATES 142 | echo $LAST_UPDATE_TIMESTAMP 143 | 144 | # cache check yum 145 | # check if cached check already exists and is nothing but a file 146 | if [ -f $CACHE_YUM_UPDATE ] || [ ! -L $CACHE_YUM_UPDATE ]; then 147 | echo "$YUM_CURRENT" > $CACHE_YUM_UPDATE 148 | else 149 | # something is wrong here... 150 | echo "ERROR: invalid check cache file" 151 | exit 2 152 | fi 153 | # cache check results 154 | # check if cached check result already exists and is nothing but a file 155 | if [ -f $CACHE_RESULT_CHECK ] || [ ! -L $CACHE_RESULT_CHECK ] 156 | then 157 | echo $BOOT_REQUIRED > $CACHE_RESULT_CHECK 158 | echo $UPDATES >> $CACHE_RESULT_CHECK 159 | echo $SECURITY_UPDATES >> $CACHE_RESULT_CHECK 160 | echo $LAST_UPDATE_TIMESTAMP >> $CACHE_RESULT_CHECK 161 | else 162 | # something is wrong here... 163 | echo "ERROR: invalid check result cache file" 164 | exit 2 165 | fi 166 | else 167 | # use cache file 168 | cat $CACHE_RESULT_CHECK 169 | fi 170 | -------------------------------------------------------------------------------- /build/Dockerfile: -------------------------------------------------------------------------------- 1 | FROM checkmk/check-mk-raw:2.3.0-latest 2 | LABEL maintainer=henri@nagstamon.de 3 | 4 | ARG DEBIAN_FRONTEND=noninteractive 5 | 6 | # python3 and git needed for build-modify-extension.py 7 | RUN apt -y update && \ 8 | apt -y install git \ 9 | python3 \ 10 | python3-git 11 | 12 | # scripts used need to be executable 13 | COPY build/build-entrypoint.sh build/build-modify-extension.py / 14 | RUN chmod +x /build-entrypoint.sh /build-modify-extension.py 15 | 16 | # run after original docker-entrypoint.sh 17 | CMD /build-entrypoint.sh 18 | -------------------------------------------------------------------------------- /build/build-entrypoint.sh: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env bash 2 | # CLI steps done like described in https://docs.checkmk.com/latest/en/mkps.html 3 | 4 | set -e 5 | 6 | SOURCE=/source 7 | CMK=/omd/sites/cmk 8 | 9 | cd $CMK/local 10 | 11 | # copy lib 12 | cp -R $SOURCE/lib/* ./lib/ 13 | 14 | cd share/check_mk 15 | # copy non-lib 16 | cp -R $SOURCE/agents . 17 | # No longer needed as all in lib 18 | # cp -R $SOURCE/checkman . 19 | # cp -R $SOURCE/web . 20 | 21 | # needed for package config file creation 22 | # has to be done by site user 23 | su - cmk -c "/omd/sites/cmk/bin/mkp template yum" 24 | 25 | # otherwise /source is not accepted 26 | git config --global --add safe.directory $SOURCE 27 | 28 | # modify extension config file with correct version number, author etc. 29 | /build-modify-extension.py $SOURCE $CMK/tmp/check_mk/yum.manifest.temp 30 | 31 | # avoid error: 32 | # Error removing file /omd/sites/cmk/local/lib/python3/cmk/base/cee/plugins/bakery/yum.py: [Errno 13] Permission denied: '/omd/sites/cmk/local/lib/python3/cmk/base/cee/plugins/bakery/yum.py' 33 | chmod go+rw $CMK/local/lib/python3/cmk/base/cee/plugins/bakery 34 | chmod go+rw $CMK/local/lib/python3/cmk_addons/plugins/yum/agent_based 35 | chmod go+rw $CMK/local/lib/python3/cmk_addons/plugins/yum/checkman 36 | chmod go+rw $CMK/local/lib/python3/cmk_addons/plugins/yum/rulesets 37 | 38 | # also to be done by site user is packaging the mkp file 39 | su - cmk -c "/omd/sites/cmk/bin/mkp package $CMK/tmp/check_mk/yum.manifest.temp" 40 | 41 | # copy created extension package back into volume 42 | cp $CMK/var/check_mk/packages_local/*.mkp $SOURCE 43 | 44 | # let runner user access the created mkp file which is owned by root now 45 | chmod go+r $SOURCE/*.mkp 46 | -------------------------------------------------------------------------------- /build/build-modify-extension.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python3 2 | # 3 | # modify extension configuration 4 | 5 | # Include "os" to check for correct copy of the yum agent before changing lines in it below 6 | import os 7 | 8 | from pathlib import Path 9 | from pprint import pformat 10 | from sys import argv, \ 11 | exit 12 | 13 | from git import (Commit, 14 | Repo, 15 | TagReference) 16 | version="0.0.0" 17 | # only do stuff if git repo path and config file path are given 18 | if len(argv) > 2: 19 | git_repo_path = argv[1] 20 | package_file_path = argv[2] 21 | if Path(package_file_path).exists() and Path(package_file_path).is_file(): 22 | # get version information from git repo 23 | repo = Repo(path=git_repo_path, search_parent_directories=True) 24 | 25 | print(repo.head.commit) 26 | 27 | # if no tag is latest take repo head 28 | version_repo = next((tag for tag in repo.tags if tag.commit == repo.head.commit), repo.head.commit) 29 | if type(version_repo) == Commit: 30 | # first 8 characters of commit added to '0.0.' to get a SemVer version number 31 | version = f'0.0.{int(version_repo.hexsha[0:8], 16)}' 32 | elif type(version_repo) == TagReference: 33 | # Tag 34 | version = version_repo.name 35 | if version.startswith('v'): 36 | version = version.split('v')[1] 37 | 38 | # open package config file 39 | with open(package_file_path, 'r') as package_file: 40 | package_config = eval(package_file.read()) 41 | 42 | # modify package config 43 | package_config['author'] = 'Henri Wahl' 44 | package_config['description'] = 'Checks for updates on RPM-based distributions via yum.' 45 | package_config['download_url'] = 'https://github.com/HenriWahl/checkmk-agent-plugin-yum/releases' 46 | package_config['title'] = 'YUM Update Check' 47 | package_config['version'] = version 48 | package_config['version.min_required'] = '2.0.0' 49 | 50 | # write package config file 51 | bla = pformat(package_config, indent=4) 52 | with open(package_file_path, 'w') as package_file: 53 | # nicely format config file with pformat 54 | package_file.write(pformat(package_config, indent=4)) 55 | else: 56 | print(f'Package configuration file path {package_file_path} does not exist. :-(') 57 | exit(1) 58 | 59 | # New code to update version number inside the yum script itself 60 | yum_agent_path = "/omd/sites/cmk/local/share/check_mk/agents/plugins/yum" 61 | if os.path.exists(yum_agent_path): 62 | with open(yum_agent_path, "r+") as file: 63 | content = file.read().replace('CMK_VERSION="0.0.0"', f'CMK_VERSION="{version}"') 64 | file.seek(0) 65 | file.write(content) 66 | file.truncate() 67 | else: 68 | print(f"File not found: {yum_agent_path}") 69 | # End of new code 70 | 71 | else: 72 | print('Git repository or package configuration file path is missing at all. :-(') 73 | exit(1) 74 | -------------------------------------------------------------------------------- /lib/python3/cmk/base/cee/plugins/bakery/yum.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python3 2 | # -*- encoding: utf-8; py-indent-offset: 4 -*- 3 | 4 | from pathlib import Path 5 | from typing import Any 6 | 7 | from cmk.base.cee.plugins.bakery.bakery_api.v1 import FileGenerator, OS, Plugin, register 8 | 9 | 10 | def get_yum_files(conf: Any) -> FileGenerator: 11 | # if conf.get('deploy', 'nointerval') == 'nointerval': 12 | # return 13 | if conf.get('interval') is not None: 14 | interval=conf.get('interval') 15 | elif conf.get('deploy', 'interval')[1] is not None: 16 | interval=conf.get('deploy', 'interval')[1] 17 | 18 | yield Plugin(base_os=OS.LINUX, 19 | source=Path('yum'), 20 | interval=int(interval) 21 | ) 22 | 23 | register.bakery_plugin( 24 | name='yum', 25 | files_function=get_yum_files, 26 | ) 27 | -------------------------------------------------------------------------------- /lib/python3/cmk_addons/plugins/yum/agent_based/yum.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python3 2 | # 3 | # Check_MK YUM Plugin - Check for upgradeable packages. 4 | # 5 | # Copyright 2015, Henri Wahl 6 | # Copyright 2018, Moritz Schlarb 7 | # Copyright 2021, Marco Lenhardt 8 | # Copyright 2021, Henrik Gießel 9 | # Copyright 2023, Timo Klecker 10 | # Based on: 11 | # 12 | # Check_MK APT-NG Plugin - Check for upgradeable packages. 13 | # 14 | # Copyright 2012, Stefan Schlesinger 15 | # Copyright 2015, Karsten Schoeke 16 | # 17 | # This program is free software: you can redistribute it and/or modify 18 | # it under the terms of the GNU General Public License as published by 19 | # the Free Software Foundation, either version 3 of the License, or 20 | # (at your option) any later version. 21 | # 22 | # This program is distributed in the hope that it will be useful, 23 | # but WITHOUT ANY WARRANTY; without even the implied warranty of 24 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 25 | # GNU General Public License for more details. 26 | # 27 | # You should have received a copy of the GNU General Public License 28 | # along with this program. If not, see 29 | # 30 | # 31 | # Example Agent Output: 32 | # 33 | # <<>> 34 | # yes 35 | # 32 36 | # 4 37 | # 1626252300 38 | 39 | # Import the ability to manipulate and handle times in python 40 | from time import time 41 | 42 | # Import the ability to set certain types of variable/object 43 | from typing import Dict, List, NamedTuple, Optional 44 | 45 | # Import CheckMK specific libraries 46 | from cmk.gui.i18n import _ 47 | #from cmk.agent_based.v2.type_defs import ( 48 | # StringTable, 49 | #) 50 | from cmk.agent_based.v2 import ( 51 | # register, 52 | CheckResult, 53 | CheckPlugin, 54 | Service, 55 | State, 56 | Metric, 57 | render, 58 | AgentSection, 59 | Result, 60 | ) 61 | 62 | 63 | 64 | 65 | 66 | # Set some default values for the plugin 67 | class Section(NamedTuple): 68 | reboot_required: Optional[bool] 69 | packages: int = -1 70 | security_packages: int = -1 71 | last_update_timestamp: int = -1 72 | error_message: Optional[str] = None 73 | 74 | #### Define the section that processes the output received from the 75 | #### agent within the 76 | # <<>> section. This is called because we register the "yum" 77 | # agent section using the API "register" namespace 78 | def yum_parse(string_table: List[List[str]]) -> Section: 79 | # If no results are determined to have been parsed from the agent 80 | # <<>> section, flag it 81 | if string_table[0][0] == 'ERROR:': 82 | return Section(error_message=" ".join(string_table[0][1:])) 83 | 84 | # Assess the validity of the "reboot_required" section - default to 85 | # "None" if there is an error 86 | reboot_required = None 87 | try: 88 | if string_table[0][0] in ('yes', 'no'): 89 | reboot_required = string_table[0][0] == 'yes' 90 | except KeyError: 91 | pass 92 | 93 | packages = None 94 | security_packages = None 95 | last_update_timestamp = None 96 | try: 97 | packages = int(string_table[1][0]) 98 | security_packages = int(string_table[2][0]) 99 | last_update_timestamp = int(string_table[3][0]) 100 | except KeyError: 101 | pass 102 | 103 | # Return the processesed values if there has not been an error 104 | return Section( 105 | reboot_required, 106 | packages, 107 | security_packages, 108 | last_update_timestamp) 109 | 110 | #### Register the agent section we want to be referring to 111 | agent_section_yum=AgentSection( 112 | # Using the apiv1 "register" namespace we register the "yum" agent 113 | # section and it's subsequent processing within this python script 114 | # by defining the "parse_funtcion" as "yum_parse" 115 | name="yum", 116 | parse_function=yum_parse, 117 | ) 118 | 119 | #### Define what we do when discovery is run 120 | def discovery_yum(section: Section): 121 | yield Service() 122 | 123 | 124 | #### Define the check function that is called by the registered 125 | #### register.check_plugin section 126 | def check_yum(params: Dict[str, int], section: Section): 127 | # Handle error message from agent which is set if the agent output 128 | # is not a correct format 129 | if section.error_message: 130 | yield Result(state=State.UNKNOWN, summary=section.error_message) 131 | return 132 | # Check the status returned from the agent script 133 | # Added additional checks to cover off a broader range of 134 | # possibilities and ensure that a value is returned (for 135 | # the perf-o-meter) even when no updates are available 136 | 137 | #### Check the status of "packages" (which is the "total updates 138 | #### available") 139 | # First check if there was an error returned (-1) where the yum 140 | # command failed 141 | if section.packages < 0: 142 | yield Result(state=State.UNKNOWN, summary='No package information available') 143 | # Then check if there are "no updates of which none are security 144 | # updates" but DO return a metric value of zero instead of not 145 | # having a metric value at all 146 | elif section.packages == 0 and section.security_packages == 0: 147 | yield Result(state=State.OK, summary='All packages are up to date') 148 | yield Metric(name="normal_updates", value=section.packages) 149 | # If there are "any" updates available report the number of updates 150 | elif section.packages > 0: 151 | yield Result(state=State(params.get("normal", 0)), summary=f"{section.packages} updates available") 152 | yield Metric(name="normal_updates", value=section.packages) 153 | # If there are no updates available, but we haven't been able to 154 | # check security updates, still return a metric value of zero 155 | elif section.packages == 0: 156 | yield Result(state=State.OK, summary=f"{section.packages} updates available") 157 | yield Metric(name="normal_updates", value=section.packages) 158 | 159 | # Check the status of the returned number of updates that are security updates including 160 | # error condition and if there are no updates or the security updates check is not possible 161 | # First check if ANY updates were flagged as security updates and report the metric 162 | if section.security_packages > 0: 163 | yield Result(state=State(params.get("security", 0)), summary=f"{section.security_packages} security updates available") 164 | yield Metric(name="security_updates", value=section.security_packages) 165 | # If there are no updates available, report this 166 | elif section.security_packages == 0: 167 | yield Result(state=State.OK, summary=f"{section.security_packages} security updates available") 168 | yield Metric(name="security_updates", value=section.security_packages) 169 | # If the agent reported that security update was not available, 170 | # return this with a report of 0 updates 171 | elif section.security_packages == -2: 172 | yield Result(state=State.OK, summary='Security update check not available') 173 | yield Metric(name="security_updates", value=0) 174 | # If the security update check failed with an error, 175 | # report this AND a value of zero 176 | elif section.security_packages == -1: 177 | yield Metric(name="security_updates", value=0) 178 | yield Result(state=State.OK, summary='Security update failed') 179 | 180 | 181 | #### Interpret the timestamp that is returned for when the host was 182 | #### last updated 183 | # If the timestamp is less than zero, report that there is no 184 | # valid time stamp 185 | if section.last_update_timestamp < 0: 186 | yield Result( 187 | state=State(params.get("last_update_state", 0)), 188 | summary=f"{section.last_update_timestamp} Time of last update could not be found") 189 | yield Metric(name="last_update_timestamp", value=section.last_update_timestamp) 190 | # If not a value less than 0, assess the timestamp by first 191 | # grabbing all the relevant parameters 192 | elif section.last_update_timestamp > 0: 193 | # Get the default or WATO config state from within CheckMK api 194 | level = params.get("last_update_state", 0) 195 | # Get the threshold for the time we are allowed to be out by 196 | # from default or WATO 197 | last_update_time_diff = params.get("last_update_time_diff", (60*24*60*60)) 198 | # Get current time so we can assess the age of OUR timestamp 199 | current_timestamp = int(time()) 200 | # Delta the supplied timestamp and compare it to the target 201 | # from the default or WATO. If the last update delta is less 202 | # than the configured threshold, report OK 203 | if current_timestamp - section.last_update_timestamp < last_update_time_diff: 204 | yield Result( 205 | state=State.OK, 206 | summary=f"Last Update was run at {render.datetime(section.last_update_timestamp)}") 207 | # If the last update delta is outside of the configured 208 | # threshold but the number of configured packages is 0 then 209 | # still report all is OK, is there is nothing we could possibly 210 | # have updated 211 | elif current_timestamp - section.last_update_timestamp > last_update_time_diff and section.packages == 0: 212 | yield Result( 213 | state=State.OK, 214 | summary=f"Last Update was too long ago at {render.datetime(section.last_update_timestamp)} but there are no pending updates") 215 | # Otherwise, report the level that is configured in default or 216 | # WATO for being outside of the required delta time 217 | else: 218 | yield Result( 219 | state=State(level), 220 | summary=f"Last Update was too long ago at {render.datetime(section.last_update_timestamp)} and there are pending updates") 221 | 222 | #### Assess the "reboot_required" parameters 223 | if section.reboot_required: 224 | # fallback for < 2.0.6 225 | # If the reported value has been anything other than yes or no 226 | # then the value will be "None" as defined in the yum_parse 227 | # section if it is then report an error 228 | if params is None: 229 | level = 2 230 | else: 231 | level = params["reboot_req"] 232 | yield Result(state=State(level), summary="reboot required") 233 | 234 | 235 | #### Use the API v1 "register" namspace to assign the various 236 | #### processing sections of this python file to handle that various 237 | #### data, 238 | # set default parameters and the general details of the service. 239 | check_plugin_yum=CheckPlugin( 240 | # Set the unique name of the plugin 241 | name='yum', 242 | # Set the service name that is created on a host 243 | service_name=_('YUM Updates'), 244 | # Set what should be called when discovery is run - in this case, 245 | # call "discovery_yum" that simply creates a new service 246 | discovery_function=discovery_yum, 247 | # Set what the "check" function is - in this case, to check the 248 | # output from the agent once it has been processed by 249 | # "yum_parse" we will run "check_yum" 250 | check_function=check_yum, 251 | # Specify which agent section we need to read 252 | sections=["yum"], 253 | # specify which ruleset to grab parameters from 254 | check_ruleset_name="yum", 255 | # Set the default parameters (which match the ones defined in the 256 | # WATO ruleset in yum_check_parameters.py) 257 | check_default_parameters={ 258 | "reboot_req": 2, 259 | "normal": 1, 260 | "security": 2, 261 | "last_update_state": 0, 262 | "last_update_time_diff": (60*24*60*60), 263 | }, 264 | ) 265 | -------------------------------------------------------------------------------- /lib/python3/cmk_addons/plugins/yum/checkman/yum: -------------------------------------------------------------------------------- 1 | title: Check for updates via yum 2 | agents: linux 3 | author: Henri Wahl , based on work of Karsten Scgoeke , Stefan Schlesinger 4 | catalog: generic 5 | license: GPL 6 | distribution: check_mk 7 | description: 8 | This check checks for available updates via {yum} on RedHat and 9 | this derivates. You need to install the plugin {yum} 10 | into the {plugins} directory of your agent. 11 | 12 | The check gets critical if kernel updates require a reboot. 13 | This state can be overriden via a WATO rule. 14 | It gets warning state if there are any updates available. 15 | 16 | inventory: 17 | One service will be created for each system where the {yum} 18 | plugin produces a non-empty output. 19 | 20 | -------------------------------------------------------------------------------- /lib/python3/cmk_addons/plugins/yum/rulesets/yum_cee.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python3 2 | # -*- encoding: utf-8; py-indent-offset: 4 -*- 3 | from collections.abc import Mapping 4 | 5 | from cmk.rulesets.v1.form_specs import ( 6 | DictElement, 7 | Dictionary, 8 | # DefaultValue, 9 | # SingleChoice, 10 | # SingleChoiceElement, 11 | # Integer, 12 | # InputHint, 13 | CascadingSingleChoice, 14 | CascadingSingleChoiceElement, 15 | FixedValue, 16 | TimeSpan, 17 | TimeMagnitude, 18 | # SimpleLevels, 19 | ) 20 | from cmk.rulesets.v1.rule_specs import AgentConfig, Topic, Title, Help 21 | 22 | def _migrateInt(value: object) -> Mapping[str, object]: 23 | if value is not None: 24 | if 'interval' in value: 25 | match value["interval"]: 26 | case _ if value["interval"] >= 0: 27 | return {'deploy': ('interval', float(value["interval"]))} 28 | case None: 29 | return {'deploy': ('interval', 77.0)} 30 | else: 31 | return value 32 | else: 33 | return {'deploy': 'nointerval'} 34 | 35 | 36 | def _parameter_form_yum_bakery() -> Dictionary: 37 | return Dictionary( 38 | migrate=_migrateInt, 39 | title=Title('Deploy the Yum plugin'), 40 | help_text=Help('This will deploy the agent plugin Yum. This will activate the ' 41 | 'check Yum on redHat based hosts and monitor pending normal and security updates.' 42 | ), 43 | elements={ 44 | "deploy": DictElement( 45 | required=True, 46 | parameter_form=CascadingSingleChoice( 47 | title=Title('Deployment options for the Yum plugin.'), 48 | #prefill=DefaultValue("interval"), 49 | help_text=Help('Determines how the the Yum plugin will run on a deployed agent or disables it on an deployed agent'), 50 | elements=[ 51 | CascadingSingleChoiceElement( 52 | name="interval", 53 | title=Title("Deploy the Yum plugin"), 54 | parameter_form=TimeSpan( 55 | title=Title('Interval that the plugin runs at on the client'), 56 | help_text=Help('Determines how often that the Yum plugin will run on a deployed agent.'), 57 | displayed_magnitudes=[TimeMagnitude.SECOND, TimeMagnitude.MINUTE, TimeMagnitude.HOUR, TimeMagnitude.DAY], 58 | #prefill=DefaultValue(129600.0), 59 | ), 60 | ), 61 | CascadingSingleChoiceElement( 62 | name="nointerval", 63 | title=Title("Do not deploy the Yum plugin"), 64 | parameter_form=FixedValue(value=None), 65 | ) 66 | ] 67 | ), 68 | ), 69 | }, 70 | ) 71 | 72 | 73 | rule_spec_yum_bakery = AgentConfig( 74 | title=Title('YUM plugin'), 75 | name='yum', 76 | parameter_form=_parameter_form_yum_bakery, 77 | topic=Topic.APPLICATIONS, 78 | help_text=Help('This will deploy the agent plugin Yum ' 79 | 'for checking patch status.'), 80 | ) 81 | -------------------------------------------------------------------------------- /lib/python3/cmk_addons/plugins/yum/rulesets/yum_check_parameters.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python3 2 | # -*- encoding: utf-8; py-indent-offset: 4 -*- 3 | # 4 | # 2021 Henrik Gießel 5 | # 2018 Moritz Schlarb 6 | # 2015 Henri Wahl 7 | # 2013 Karsten Schoeke karsten.schoeke@geobasis-bb.de 8 | 9 | from cmk.gui.i18n import _ 10 | from cmk.gui.valuespec import ( 11 | Dictionary, 12 | MonitoringState, 13 | Age, 14 | ) 15 | 16 | from cmk.gui.plugins.wato.utils import ( 17 | rulespec_registry, 18 | CheckParameterRulespecWithoutItem, 19 | RulespecGroupCheckParametersOperatingSystem, 20 | ) 21 | 22 | 23 | def _parameter_valuespec_yum(): 24 | return Dictionary( 25 | elements=[ 26 | ( 27 | "reboot_req", 28 | MonitoringState( 29 | title=_("State when a reboot is required"), 30 | default_value=2, 31 | ) 32 | ), 33 | ( 34 | "normal", 35 | MonitoringState( 36 | title=_("State when normal updates are available"), 37 | default_value=1, 38 | ) 39 | ), 40 | ( 41 | "security", 42 | MonitoringState( 43 | title=_("State when security updates are available"), 44 | default_value=2, 45 | ) 46 | ), 47 | ( 48 | "last_update_time_diff", 49 | Age( 50 | title=_("Max Time since last last run update (Default 60 Days)"), 51 | default_value=(60*24*60*60), 52 | ) 53 | ), 54 | ( 55 | "last_update_state", 56 | MonitoringState( 57 | title=_("Change State based on last run update (default OK)"), 58 | default_value=0, 59 | ) 60 | ), 61 | ], 62 | ) 63 | 64 | 65 | rulespec_registry.register( 66 | CheckParameterRulespecWithoutItem( 67 | check_group_name="yum", 68 | group=RulespecGroupCheckParametersOperatingSystem, 69 | parameter_valuespec=_parameter_valuespec_yum, 70 | title=lambda: _("YUM Update check"), 71 | )) 72 | --------------------------------------------------------------------------------