[SOLVED] Just FYI: current update seams to break NUT dependancies
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@rzr: Sorry, first and foremost I totally forgot to say thank you very much. I really appreciate you work and effort for this "non-core" issue.
You're welcome !
Keep in mind using/enabling ci repo can be dangerous but for this nut update the risk is low.Is there maybe anything particular you are interested in for me to test?
Nothing specific, the regular use case but feel free to share to community your experience with your hardware:
https://networkupstools.org/ddl/APC/Smart-UPS_750.html
Then others can compare with other devices supported by N.U.T. :
https://networkupstools.org/ddl/
This makes me think, I have scavenged an APC BE400 but it looks like an offline device, unsure I will make anything useful soon.
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Good point.
Quick install procedure for anyone interested. I use a USB connected APC Smart-UPS 750 (SMT750RMI2U) on a completely patched test "XCP-ng 8.3" server.
To install packages run:
yum install nutMost important, check that your USV device is properly connected and found using
lsusbit should show something like:
... Bus 002 Device 002: ID 051d:0003 American Power Conversion UPS ...Grab details then by:
lsusb -s 002:002 -vwhich should give you something like
[12:53 xcp-test ~]# lsusb -s 002:002 -v Bus 002 Device 002: ID 051d:0003 American Power Conversion UPS Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x051d American Power Conversion idProduct 0x0003 UPS bcdDevice 1.06 iManufacturer 1 American Power Conversion iProduct 2 Smart-UPS 750 FW:UPS 15.1 / ID=18 iSerial 3 SERIALXXXXXXXX bNumConfigurations 1 ... Remote Wakeup EnabledBased upon this data you can add this information to your ups.conf
nano /etc/ups/ups.conf[apc] driver = "usbhid-ups" port = "auto" vendorid = "051D" productid = "0003" product = "Smart-UPS 750 FW:UPS 15.1 / ID=18" serial = "SERIALXXXXXXXX" vendor = "American Power Conversion" bus = "002"Now add users in
nano /etc/ups/upsd.users. "upsmon" is for slave connected devices.[admin] password = PWXXXXXX actions = SET FSD instcmds = ALL upsmon master [upsmon] password = SLAVEPW upsmon slaveNow add/enable via
nano /etc/ups/upsd.confthe required lines. If you want other servers to listen, you need to listen to a non-localhost IP of course.LISTEN 127.0.0.1 3493Now enable in
nano /etc/ups/upsmon.confthe relevant line:MONITOR apc@localhost 1 admin PWXXXXXX masterNow restart services:
upsdrvctl start systemctl start nut-server.service systemctl start nut-monitor.serviceand you should be able to see the USV data by calling:
upsc apc@localhostIt should show:
battery.charge: 100 battery.charge.low: 10 battery.charge.warning: 50 battery.runtime: 3900 battery.runtime.low: 120 battery.type: PbAc battery.voltage: 27.3 battery.voltage.nominal: 24.0 device.mfr: American Power Conversion device.model: Smart-UPS 750 device.serial: SERIALXXXXX device.type: ups driver.name: usbhid-ups driver.parameter.bus: 002 driver.parameter.pollfreq: 30 driver.parameter.pollinterval: 2 driver.parameter.port: auto driver.parameter.product: Smart-UPS 750 FW:UPS 15.1 / ID=18 driver.parameter.productid: 0003 driver.parameter.serial: SERIALXXXXX driver.parameter.synchronous: auto driver.parameter.vendor: American Power Conversion driver.parameter.vendorid: 051D driver.version: 2.8.0 driver.version.data: APC HID 0.98 driver.version.internal: 0.47 driver.version.usb: libusb-0.1 (or compat) ups.beeper.status: enabled ups.delay.shutdown: 20 ups.firmware: UPS 15.1 / ID=18 ups.mfr: American Power Conversion ups.mfr.date: 2015/08/14 ups.model: Smart-UPS 750 ups.productid: 0003 ups.serial: SERIALXXXXX ups.status: OL ups.timer.reboot: -1 ups.timer.shutdown: -1 ups.vendorid: 051dHINT#1: I experienced that the bus id of the usb device sometimes changes after reboot. Watch out if you restart the server and adapt your ups.conf accordingly!!!
HINT#2: You need to open firewall port 3493 if you want to access it from a monitor!
HINT#3: To automatically run NUT as a service follow these steps https://xcp-ng.org/forum/post/108926
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@rzr Just for curiosity.
As far as I understand you assess the risk as low for the nut package - and only for that - to use ci-repo. I am fine with that for my personal servers. In terms of staying as close to the stable version in order to avoid potential future upgrade issues, is there a chance to say something about:
- Would you consider to integrate this into "stable" branch?
- What would be the next steps on our side to support this?
- How long would does that roughly take?
Thank again!
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@rzr Just for curiosity.
As far as I understand you assess the risk as low for the nut package - and only for that - to use ci-repo. I am fine with that for my personal servers.
- Would you consider to integrate this into "stable" branch?
yes it's the plan, we usually test packages in ci repos for a couple of weeks and once we're happy of the packages set it goes to testing repo, then users can officially test it (and based on feedback (or absence of feedback) then everything lands in update repo after a week or more (it depends on risk or hurry)..
- What would be the next steps on our side to support this?
I think nothing should be done your side you did your job before the testing window, early feedback is always appreciated (as long people know what they are doing
)But If I were you, just to be safe i would keep trace of packages i have installed from ci or testing repo, in case anything is not going as expected, you can still reinstall those packages from update channel.
- How long would does that roughly take?
It depends usually a couple of weeks, but this next batch might be a bit longer because there is a long waited feature planned.
Check the future announcement in the forum.
Thank again!
thank you for the detailed howto, if there is traction for this feature maybe it worth documenting officially, I'll ask product managers.
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@rzr Great. Thank you!
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R rzr referenced this topic on
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Package landed in testing repo please check the related announcement:
https://xcp-ng.org/forum/topic/9964/xcp-ng-8-3-updates-announcements-and-testing/432
Then please confirm the issue is gone by editing post topic with "[SOLVED]" prefix
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Just for the record, I get the same snmp errors with OpenIPMI instead of nut.
# yum update --disablerepo=* --enablerepo=xcp-ng-base,xcp-ng-updates Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile Excluding mirror: updates.xcp-ng.org * xcp-ng-base: mirrors.xcp-ng.org Excluding mirror: updates.xcp-ng.org * xcp-ng-updates: mirrors.xcp-ng.org Resolving Dependencies --> Running transaction check ---> Package net-snmp.x86_64 1:5.7.2-52.1.xcpng8.3 will be updated ---> Package net-snmp.x86_64 1:5.9.3-8.1.xcpng8.3 will be an update ---> Package net-snmp-agent-libs.x86_64 1:5.7.2-52.1.xcpng8.3 will be updated ---> Package net-snmp-agent-libs.x86_64 1:5.9.3-8.1.xcpng8.3 will be an update ---> Package net-snmp-libs.x86_64 1:5.7.2-52.1.xcpng8.3 will be updated --> Processing Dependency: libnetsnmp.so.31()(64bit) for package: OpenIPMI-2.0.23-2.el7.x86_64 ---> Package net-snmp-libs.x86_64 1:5.9.3-8.1.xcpng8.3 will be an update --> Finished Dependency Resolution Error: Package: OpenIPMI-2.0.23-2.el7.x86_64 (@xcp-ng-base) Requires: libnetsnmp.so.31()(64bit) Removing: 1:net-snmp-libs-5.7.2-52.1.xcpng8.3.x86_64 (@xcp-ng-updates) libnetsnmp.so.31()(64bit) Updated By: 1:net-snmp-libs-5.9.3-8.1.xcpng8.3.x86_64 (xcp-ng-updates) ~libnetsnmp.so.40()(64bit) Available: 1:net-snmp-libs-5.7.2-33.el7_5.2.x86_64 (xcp-ng-base) libnetsnmp.so.31()(64bit) Available: 1:net-snmp-libs-5.7.2-51.1.xcpng8.3.x86_64 (xcp-ng-base) libnetsnmp.so.31()(64bit) Available: 1:net-snmp-libs-5.7.2-51.2.xcpng8.3.x86_64 (xcp-ng-base) libnetsnmp.so.31()(64bit) Available: 1:net-snmp-libs-5.7.2-51.3.xcpng8.3.x86_64 (xcp-ng-base) libnetsnmp.so.31()(64bit) -
yum update --disablerepo=* --enablerepo=xcp-ng-base,xcp-ng-updates
It's currently in testing and will move to updates if everything (not only nut) is ok:
yum install --disablerepo=* \ --enablerepo=xcp-ng-base,xcp-ng-updates,xcp-ng-testing nut -
Hi, I just wanted to comment that the provided packages work for all my server. Thank you!
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@FritzGerald Thank you for taking the time to write up the install procedure. I was able to follow it on my end and it seems to be working. What commands do you use to set the three services to start up automatically at boot up? Right now if I reboot and run upsc apc@localhost it throws an error until I manually do:
upsdrvctl start systemctl start nut-server.service systemctl start nut-monitor.service -
@Kajetan321 Hi, sorry. I am away from office and I can't tell you that off the top of my head right now. I get back to you during the week.
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Hi @kajetan321, it has been a little while when setting this up. And I have to admit, that I am not sure weather the upcoming instructions are complete. So please take it as an indication:
#################################
Add Service for ups-driver
#################################nano /etc/systemd/system/ups-driver.service[Unit] Description=NUT UPS Driver After=network-online.target Wants=network-online.target Before=nut-server.service [Service] Type=oneshot ExecStart=/usr/sbin/upsdrvctl start ExecStop=/usr/sbin/upsdrvctl stop RemainAfterExit=yes [Install] WantedBy=multi-user.target###################################
Add Requirement for nut-server
#################################mkdir -p /etc/systemd/system/nut-server.service.d nano /etc/systemd/system/nut-server.service.d/ups-driver.conf[Unit] Requires=ups-driver.service After=ups-driver.service###################################
Add Requirement for nut monitor
#################################mkdir -p /etc/systemd/system/nut-monitor.service.d nano /etc/systemd/system/nut-monitor.service.d/nut-server.conf[Unit] Requires=nut-server.service After=nut-server.service###################################
Enable services
###################################systemctl daemon-reload systemctl enable ups-driver.service systemctl enable nut-server.service systemctl enable nut-monitor.service systemctl start nut-monitor.service###################################
Anaylze tools
###################################systemctl list-dependencies nut-monitor.service systemd-analyze critical-chain nut-monitor.service systemctl show nut-monitor.service -p Requires -p Wants -p After systemctl show nut-server.service -p Requires -p Wants -p AfterPlease let me know if it works, since I then would update my documentation above
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@FritzGerald Understood. Thanks for posting. I will get back to this as soon as I have some time.
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@FritzGerald I followed the procedure outline above. I did not see any errors when following the procedure however when I rebooted and then ran "upsc apc@localhost" I got "Error: Connection failure: Cannot assign requested address"
When I run "sudo systemctl status nut-server" I get " Active: inactive (dead)"
Running
upsdrvctl start systemctl start nut-server.service systemctl start nut-monitor.servicefixes the issue. It looks like nut-server still does not start automatically at boot. How would I troubleshoot this further? I'm not a Linux system admin
Gemini suggested rebooting and running "journalctl -u nut-server.service -b 0" which resulted in "-- No entries --"
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I looked into my server and I think I forget some points.
First and foremost I have to say, modifying the systemd files can make you system unbootable! It should not happen, but there is chance since we are also modifying some "natively shipped files". So an update can break your working configuration again and that is not the fault of XCP-NG!!!
That said I assume that after a reboot (prior to any of any input of yours) if you enter:
systemctl status ups-driver.service nut-server.service nut-monitor.serviceyou will see that "ups-driver.service" is loaded and active, but the 2 other services are not. If thats the case I think I can help you since it is related to a dependency problem during boot up. Please do the following:
Remove "nut-driver.target" dependency from "nut-server.service" by calling
nano /lib/systemd/system/nut-server.serviceand remove nut-driver.target from routine. I prefer to duplicate and comment the to be modified rows to keep the original code. It then should look like this. DO NOT COPY AND PASTE, read, compare and modify carefully!
[Unit] Description=Network UPS Tools - power devices information server #After=local-fs.target network.target nut-driver.target After=local-fs.target network.target # We don't Require drivers to be successfully started! This would be # a change of behavior compared to init SysV, and could prevent from # accessing successfully started, at least to audit a system. #Wants=nut-driver.target Wants= # The `upsd` is a networked service (even if bound to a `localhost`) # so it requires that the OS has some notion of networking already. # Extending the unit does not require *this* file to be edited, you # can instead drop in an additional piece of configuration, e.g. add # a `/etc/systemd/system/nut-server.service.d/network.conf` with: # [Unit] # Requires=network-online.target # After=network-online.target Requires=network.target Before=nut-monitor.service PartOf=nut.target [Service] EnvironmentFile=-/etc/ups/nut.conf SyslogIdentifier=%N # Note: foreground mode by default skips writing a PID file (and # needs Type=simple); can use "-FF" here to create one anyway: ExecStart=/usr/sbin/upsd -F ExecReload=/usr/sbin/upsd -c reload -P $MAINPID [Install] WantedBy=nut.targetAfterwards enable nut.target:
systemctl enable nut.targetThen call:
systemctl daemon-reload systemctl start nut.target systemctl start nut-monitor.serviceNow it should work even after reboot
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P poddingue marked this topic as a question
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@FritzGerald Thank you for the follow up. It looks to me like none of the three services are running after a reboot.
Executing
systemctl status ups-driver.service nut-server.service nut-monitor.serviceResults in:
● ups-driver.service - NUT UPS Driver Loaded: loaded (/etc/systemd/system/ups-driver.service; disabled; vendor preset: disabled) Active: inactive (dead) ● nut-server.service - Network UPS Tools - power devices information server Loaded: loaded (/usr/lib/systemd/system/nut-server.service; enabled; vendor preset: disabled) Drop-In: /etc/systemd/system/nut-server.service.d └─ups-driver.conf Active: inactive (dead) ● nut-monitor.service - Network UPS Tools - power device monitor and shutdown controller Loaded: loaded (/usr/lib/systemd/system/nut-monitor.service; enabled; vendor preset: disabled) Drop-In: /etc/systemd/system/nut-monitor.service.d └─nut-server.conf Active: inactive (dead) -
@Kajetan321
I think you forgotsystemctl enable --now ups-driver.service -
Thanks! Running
systemctl enable --now ups-driver.servicegot ups-driver.service going, then following the instructions you provided earlier got the rest of the two services running, even after a reboot.
I'm now able to run upsc apc@localhost and get the correct output listing all the properties of the UPS even after a reboot.
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O olivierlambert has marked this topic as solved
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@Kajetan321 Thank you for the feedback. I will update the sections above to ease installation for others
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So, for everyone who wants to install NUT as a service follow these steps. Modifying the systemd files can make you system unbootable! It should not happen, but there is chance since we are also modifying some "natively shipped files". So an update can break your working configuration again and that is not the fault of XCP-NG!!!
As prerequisite it requires the installation and testing of this step-by-step guide https://xcp-ng.org/forum/post/104253. Make sure everything runs before proceeding to the following steps! Now:
#################################
Remove "nut-driver.target" dependency
#################################
Remove "nut-driver.target" dependency from "nut-server.service" by callingnano /lib/systemd/system/nut-server.serviceand remove nut-driver.target from routine. I prefer to duplicate and comment to keep the modified rows in the original code. It then should look like this. DO NOT COPY AND PASTE, read, compare and modify carefully!
[Unit] Description=Network UPS Tools - power devices information server #After=local-fs.target network.target nut-driver.target After=local-fs.target network.target # We don't Require drivers to be successfully started! This would be # a change of behavior compared to init SysV, and could prevent from # accessing successfully started, at least to audit a system. #Wants=nut-driver.target Wants= # The `upsd` is a networked service (even if bound to a `localhost`) # so it requires that the OS has some notion of networking already. # Extending the unit does not require *this* file to be edited, you # can instead drop in an additional piece of configuration, e.g. add # a `/etc/systemd/system/nut-server.service.d/network.conf` with: # [Unit] # Requires=network-online.target # After=network-online.target Requires=network.target Before=nut-monitor.service PartOf=nut.target [Service] EnvironmentFile=-/etc/ups/nut.conf SyslogIdentifier=%N # Note: foreground mode by default skips writing a PID file (and # needs Type=simple); can use "-FF" here to create one anyway: ExecStart=/usr/sbin/upsd -F ExecReload=/usr/sbin/upsd -c reload -P $MAINPID [Install] WantedBy=nut.target#################################
Add Service for ups-driver
#################################nano /etc/systemd/system/ups-driver.service[Unit] Description=NUT UPS Driver After=network-online.target Wants=network-online.target Before=nut-server.service [Service] Type=oneshot ExecStart=/usr/sbin/upsdrvctl start ExecStop=/usr/sbin/upsdrvctl stop RemainAfterExit=yes [Install] WantedBy=multi-user.target###################################
Add Requirement for nut-server
#################################mkdir -p /etc/systemd/system/nut-server.service.d nano /etc/systemd/system/nut-server.service.d/ups-driver.conf[Unit] Requires=ups-driver.service After=ups-driver.service###################################
Add Requirement for nut monitor
#################################mkdir -p /etc/systemd/system/nut-monitor.service.d nano /etc/systemd/system/nut-monitor.service.d/nut-server.conf[Unit] Requires=nut-server.service After=nut-server.service###################################
Enable services
###################################systemctl daemon-reload systemctl enable ups-driver.service systemctl enable nut.target systemctl enable nut-server.service systemctl enable nut-monitor.service systemctl start nut-monitor.service###################################
Analyze & debugging commands
###################################systemctl list-dependencies nut-monitor.service systemd-analyze critical-chain nut-monitor.service systemctl show nut-monitor.service -p Requires -p Wants -p After systemctl show nut-server.service -p Requires -p Wants -p After
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