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Max Pierson-Liénard

2020-Feb-11 12:58 UTC

[Nut-upsuser] NOTIFYCMD not running

>  When you run that command, does "some text" appear in the system
log?When I run Documents/scripts/ups-log.py manually I do see the expected text
echo'ed to the command line.  It actually appends to a Google Sheet, not
the internal log files.

When I would expect to see it triggered by NOTIFYCMD, I don't see any text
printed and nothing shows up at the google sheets.  If the permission was
being denied, would that be logged somewhere?



On Tue, Feb 11, 2020 at 4:00 AM <nut-upsuser-request at
alioth-lists.debian.net>
wrote:
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> Today's Topics:
>
>    1. NOTIFYCMD not running (Max Pierson-Liénard)
>    2. Re: NOTIFYCMD not running (Roger Price)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 11 Feb 2020 02:11:45 -0800
> From: Max Pierson-Liénard <maxpierson at gmail.com>
> To: nut-upsuser at alioth-lists.debian.net
> Subject: [Nut-upsuser] NOTIFYCMD not running
> Message-ID:
>         <
> CAK31S7ZNLsCkZbTtPW6hMMDyXRc9S34Prgmi0qcDnd34nzjmjQ at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hi, I'm setting up NUT on a raspberry pi 4, following the guide here:
> https://melgrubb.com/2016/12/11/rphs-v2-ups/
> OS version: Raspian Buster
> NUT version: 2.7.4.8
> Installed via: apt package install
> Device: Legrand Keor Multiplug connected via USB
>
> The problem I am experiencing is that *NOTIFYCMD* never runs.  I can
> connect to the device via *upsc*, and I receive WALL messages when I
> connect and disconnect the power.  I have the following in *upsmon.conf*:
>
> *MONITOR ROUTERUPS at localhost 1 upsmon <mypassword> master*
> *NOTIFYCMD /home/pi/Documents/scripts/ups-log.py*
>
>
>
>
>
>
> *NOTIFYFLAG ONLINE       SYSLOG+WALL+EXECNOTIFYFLAG ONBATT
> SYSLOG+WALL+EXECNOTIFYFLAG LOWBATT      SYSLOG+WALL+EXECNOTIFYFLAG FSD
>  SYSLOG+WALL+EXECNOTIFYFLAG SHUTDOWN     SYSLOG+WALL+EXECNOTIFYFLAG
> REPLBATT     SYSLOG+WALL+EXECNOTIFYFLAG NOPARENT     SYSLOG+WALL*
>
> I am able to run that command,
> */home/pi/Documents/scripts/ups-log.py "some text"*
> without any issues, and it doesn't require root privileges.  The owner
is
> nut and the permissions are 755:
> -rwxr-xr-x 1 nut nut 2927 Feb  9 22:26 ups-log.py
>
> Contents of my /etc/nut/ folder:
>
>
>
>
>
>
> *-rw-r----- 1 nut nut  1544 Feb  3 07:40 nut.conf-rw-r----- 1 nut nut  5588
> Feb  3 07:38 ups.conf-rw-r----- 1 nut nut  4578 Jun  1  2018
> upsd.conf-rw-r----- 1 nut nut  2283 Feb  3 13:27 upsd.users-rw-r----- 1 nut
> nut 15434 Feb 10 23:22 upsmon.conf-rw-r----- 1 nut nut 15308 Feb  3 15:45
> upsmon.conf.save-rw-r----- 1 nut nut  3887 Jun  1  2018 upssched.conf*
>
> Contents of my syslog via tail:
>
>
>
>
>
>
>
>
>
> *Feb 11 11:59:52 raspberrypi kernel: [ 6355.200755] usb 1-1.4: New USB
> device strings: Mfr=1, Product=2, SerialNumber=0Feb 11 11:59:52 raspberrypi
> kernel: [ 6355.200768] usb 1-1.4: Product: USB to SerialFeb 11 11:59:52
> raspberrypi kernel: [ 6355.200780] usb 1-1.4: Manufacturer: INNO TECHFeb 11
> 11:59:52 raspberrypi kernel: [ 6355.214192] hid-generic
> 0003:0665:5161.0002: hiddev96,hidraw0: USB HID v1.00 Device [INNO TECH USB
> to Serial] on usb-0000:01:00.0-1.4/input0Feb 11 11:59:52 raspberrypi
> mtp-probe: checking bus 1, device 5:
>
>
"/sys/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.4"Feb
> 11 11:59:52 raspberrypi mtp-probe: bus: 1, device: 5 was not an MTP
> deviceFeb 11 11:59:52 raspberrypi mtp-probe: checking bus 1, device 5:
>
>
"/sys/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.4"Feb
> 11 11:59:52 raspberrypi mtp-probe: bus: 1, device: 5 was not an MTP
> deviceFeb 11 11:59:57 raspberrypi upsmon[14209]: UPS ROUTERUPS at localhost
> on
> batteryFeb 11 12:00:22 raspberrypi upsmon[14209]: UPS ROUTERUPS at
localhost
> on line power*
>
> That's as much information as I can think of, it seems like it has to
be a
> permissions thing but it's not spitting out any kind of error that
would
> help troubleshoot.
>
> Thank you for the time!
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> ------------------------------
>
> Message: 2
> Date: Tue, 11 Feb 2020 12:55:52 +0100 (CET)
> From: Roger Price <roger at rogerprice.org>
> To: nut-upsuser Mailing List <nut-upsuser at lists.alioth.debian.org>
> Subject: Re: [Nut-upsuser] NOTIFYCMD not running
> Message-ID: <alpine.LSU.2.20.2002111252310.5507 at titan>
> Content-Type: text/plain; charset="utf-8";
Format="flowed"
>
> On Tue, 11 Feb 2020, Max Pierson-Liénard wrote:
>
> > The problem I am experiencing is that NOTIFYCMD never runs.  I can
> connect to
> > the device via upsc, and I receive WALL messages when I connect and
> disconnect
> > the power.  I have the following in upsmon.conf:
> >
> > MONITOR ROUTERUPS at localhost 1 upsmon <mypassword> master
> > NOTIFYCMD /home/pi/Documents/scripts/ups-log.py
> > NOTIFYFLAG ONLINE       SYSLOG+WALL+EXEC
> > NOTIFYFLAG ONBATT       SYSLOG+WALL+EXEC
> > ...
> > I am able to run that command,
> > /home/pi/Documents/scripts/ups-log.py "some text"
> > without any issues, and it doesn't require root privileges.  The
owner
> is nut
> > and the permissions are 755:
>
> When you run that command, does "some text" appear in the system
log?
>
> Roger
>
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Roger Price

2020-Feb-11 16:18 UTC

head link

[Nut-upsuser] NOTIFYCMD not running

On Tue, 11 Feb 2020, Max Pierson-Liénard wrote:
> >  When you run that command, does "some text" appear in the
system log?  
> When I run Documents/scripts/ups-log.py manually I do see the expected text
echo'ed to the command line.  It actually appends to a Google
> Sheet, not the internal log files.
> 
> When I would expect to see it triggered by NOTIFYCMD, I don't see any
text printed and nothing shows up at the google sheets.  If the
> permission was being denied, would that be logged somewhere?   
Suggestion: in the ups-log.py script, open a local debug logging file with 
handle "fd_log" in mode "append".  Record every call of
ups-log.py in "fd_log",
whether valid or not.  Does "some text" appear in "fd_log"? 
For the other calls
of ups-log.py, does anything appear in "fd_log"?

Roger

For example:

# Function open_log_file opens a file for logging
# The file owner will be uid, with group gid, e.g. upsd:daemon
# Returns file handle
def open_log_file (logfile, uid, gid) :
   try :
     fd_log = open(logfile, 'a')   # Opened for current user, re-open if
user change
     os.chmod(logfile, 0o664)
     os.chown(logfile, uid, gid)
     return fd_log
   except :
     Your favourite error handling ...

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