Self-Hosted nginx server - upgrading MivaVM from 5.33 to 5.34

[Mike521w]

I've been having trouble upgrading our self-hosted nginx/centOS7/FastCGI site from mivavm 5.33 to 5.34. I followed the same process that usually works for me when doing a vm update, but I'm getting the error "Configuration Error: Error loading configuration library: Unable to locate/load libmivaconfig.so: Please contact the server administrator: webmaster@localhost"

I also tried loading diagtool.mvc and a simple hello world mvc, and both give the same error. The libmivacofig.so file is copied from the 5.34 tar.gz file that I downloaded from Miva: https://www.miva.com/support/downloads

My upgrade process is:

1. get the CentOS 7 FastCGI file: https://www.miva.com/miva-software/e...os7_x64.tar.gz
2. unpack in cgi-bin
3. copy the new mivavm to cgi-bin (do not overwrite current file yet):
   • cp ./mivavm-v5.34/bin/mivavm_fastcgi-v5.34 ./mivavm-v5.34.vm
4. copy the 3x.so file to cgi-bin as the new libmivaconfig.so (do not overwrite current file yet):
   • cp ./mivavm-v5.34/lib/config/3x.so ./libmivaconfig.so-v5.34
5. make a copy of the current mivavm.conf file (we'll edit this copy so it reflects the new vm):
   • cp mivavm.conf mivavm.conf.v5.34
   • now edit mivavm.conf.v5.34 so all the references to 5.33 are changed to 5.34
6. copy permissions from current files/folders to new ones:
   • chmod -R --reference=mivavm-v5.33 mivavm-v5.34
   • chmod --reference=mivavm mivavm-v5.34.vm
   • chmod --reference=./libmivaconfig.so ./libmivaconfig.so-v5.34
   • chmod --reference=./mivavm.conf ./mivavm.conf.v5.34
7. backup all current files
8. replace current files with new ones:
   • mv mivavm.conf.v5.34 mivavm.conf
   • mv libmivaconfig.so-v5.34 libmivaconfig.so
   • mv mivavm-v5.34.vm mivavm
9. kill the current mivavm process and restart it:
   • sudo kill -9 $(pidof mivavm)
   • sudo /sbin/runuser -l content -c '/usr/bin/spawn-fcgi -p 8005 -n -- /var/www/sites/example.com/cgi-bin/mivavm &'

I opened a ticket with Miva and they pointed out that I needed to add a couple of newer libraries to the 5.34 mivavm.conf, which I did, but I still have the same configuration error when trying to switch.

FWIW, here is my old thread on getting this server set up a while ago, on engine 5.31 at the time: https://www.miva.com/forums/forum/on...iguration-file

Anyone have any idea what the trouble might be?

[ILoveHostasaurus]

Your kill should come before the mv commands, as the files may be in-use when you try to rename the new versions into place.

Is the mivavm binary and the libmivaconfig.so in the same directory? If not the same, MvCONFIG_LIBRARY must be set to define the location.

[Mike521w]

Thanks, actually yea, I found out the hard way about the kill command yesterday after posting this thread. I did some more testing and encountered the problem you mentioned - the mivavm file was in use and the copy failed.

Anyway, both mivavm and libmivaconfig.so are in the same folder (cgi-bin). Here's my mivavm.conf, I don't see anything mentioning MvCONFIG_LIBRARY:

mivaroot=/var/www/sites/example.com/html
stdmodedatadir=/var/www/sites/example.com/mivadata

openssl=/usr/lib64/libssl.so.1.0.2k
openssl_crypto=/usr/lib64/libcrypto.so.1.0.2k

cafile=/etc/ssl/certs/ca-bundle.crt

builtindir=/var/www/sites/example.com/cgi-bin/mivavm-v5.34/lib/builtins

securityoptions=15

<DATABASE-LIB METHOD="MivaSQL" LIBRARY="/var/www/sites/example.com/cgi-bin/mivavm-v5.34/lib/databases/mivasql.so">
<DATABASE-LIB METHOD="MySQL" LIBRARY="/var/www/sites/example.com/cgi-bin/mivavm-v5.34/lib/databases/mysql.so">

<SYSTEM-LIB CODE="GD" LIBRARY="/usr/lib64/libgd.so.2">
<SYSTEM-LIB CODE="BZ2" LIBRARY="/usr/lib64/libbz2.so.1">
<SYSTEM-LIB CODE="MYSQLCLIENT" LIBRARY="/usr/lib64/libmysqlclient.so.18">

globaltimeout=0

Also, here's how the mvc configuration is set up in our nginx sites-available config:

location ~ \.mvc$ {
  fastcgi_read_timeout 300;
  fastcgi_pass www.example.com:8005;
  fastcgi_param MvCONFIG_LIBRARY /var/www/sites/www.example.com/cgi-bin/libmivaconfig.so;
  include fastcgi_params;
}

[dcarver]

I would expect this setup to work if the binary and shared library are in the same directory. However, in 5.34 we did change how the MvCONFIG_LIBRARY variable worked. You need to set it before you spawn the FastCGI process now instead of when handling the incoming request (as seen with your fastcgi_param definition).

[Mike521w]

hmm, well just for testing, how would I go about setting MvCONFIG_LIBRARY manually beforehand? Maybe I'll give that a shot, and comment out this line in nginx config:

fastcgi_param MvCONFIG_LIBRARY /var/www/sites/www.example.com/cgi-bin/libmivaconfig.so;

[ILoveHostasaurus]

You could spawn a separate version of Empresa on a different port and have a unique web server config for a diagtool-holding directory, dev site, etc that points to the other running copy.

[dcarver]

You'd set it prior to running the FastCGI process.

export MvCONFIG_LIBRARY=/path/to/libmivaconfig.so
sudo /sbin/runuser -l content -c '/usr/bin/spawn-fcgi -p 8005 -n -- /var/www/sites/example.com/cgi-bin/mivavm &'

[Mike521w]

ok I set up a separate mivavm running on a dev site so I can test at will. I got mivavm 5.33 running perfectly there on a different port / process. Then I killed mivavm, commented out the nginx config line that referenced the mv config library, exported the variable and re-ran mivavm. Unfortunately the result is the same though..

Configuration Error: Error loading configuration library: Unable to locate/load libmivaconfig.so: Please contact the server administrator: webmaster@localhost

Here's the latest code:

nginx config:

fastcgi_read_timeout 300;
fastcgi_pass dev.example.com:8004;
#fastcgi_param MvCONFIG_LIBRARY /var/www/sites/dev.example.com/cgi-bin/libmivaconfig.so;
include fastcgi_params;

linux commands:

export MvCONFIG_LIBRARY=/var/www/sites/dev.example.com/cgi-bin/libmivaconfig.so
sudo /sbin/runuser -l content -c '/usr/bin/spawn-fcgi -p 8004 -n -- /var/www/sites/dev.example.com/cgi-bin/mivavm &'

[dcarver]

Looking at the the runuser man page, you may want to pass the -m flag which will preserve the environment variables. Otherwise you may need to run something like

sudo /sbin/runuser -l content -c '
MvCONFIG_LIBRARY=/var/www/sites/dev.example.com/cgi-bin/libmivaconfig.so /usr/bin/spawn-fcgi -p 8004 -n -- /var/www/sites/dev.example.com/cgi-bin/mivavm &'

You could test this by running the original export command and then running

sudo /sbin/runuser -l content -c 'echo $MvCONFIG_LIBRARY'

and see if that path is still output. You could try that test command with the -m flag too to see if that flag works as expected.

[Mike521w]

That did it, thank you!!

Running

sudo /sbin/runuser -l content -c 'echo $MvCONFIG_LIBRARY'

gave me blank output, so it looks like the variable was not being set. Adding -m to the runuser / spawn command gave me a message "runuser: ignore --preserve-environment, it's mutually exclusive to --login." and diagtool failed to load. Last, I tried your other suggestion, to define mvconfig library with the runuser / spawn command:

sudo /sbin/runuser -l content -c ' MvCONFIG_LIBRARY=/var/www/sites/dev.example.com/cgi-bin/libmivaconfig.so /usr/bin/spawn-fcgi -p 8004 -n -- /var/www/sites/dev.example.com/cgi-bin/mivavm &'

And that seems to have done it - diagtool.mvc is loading correctly and showing 5.34 as the engine. Thank you!