[OpenSIPS-Users] Restart_persistency .cache permissions

[Alex A]

Hi Everyone, 



I am running into an issue getting the restart_persistency working on CentOS Linux release 7.7.1908

Was hoping to get any pointers to further troubleshooting. 



As soon as I enable these 2 lines: 

restart_persistency_size = 512

modparam("drouting", "enable_restart_persistency", yes)




Opensips service fails to start.  Opensips is installed from nightly opensips repo:



[opensips-cli-nightly]

name=OpenSIPS CLI tool - Open Source SIP proxy/server for el7 - $basearch

baseurl=https://yum.opensips.org/cli/nightly/el/7/noarch




opensips -V

version: opensips 3.1.0 (x86_64/linux)

flags:
 STATS: On, DISABLE_NAGLE, USE_MCAST, SHM_MMAP, PKG_MALLOC, Q_MALLOC, 
F_MALLOC, HP_MALLOC, DBG_MALLOC, FAST_LOCK-ADAPTIVE_WAIT

ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535

poll method support: poll, epoll, sigio_rt, select.

git revision: be33f6864

main.c compiled on 01:43:57 Sep 26 2020 with gcc 4.8.5





Opensips daemon, runs as opensips user: 

cat /usr/lib/systemd/system/opensips.service



[Unit]

Description=OpenSIPS is a very fast and flexible SIP (RFC3261) server

Documentation=man:opensips

After=network.target mysqld.service postgresql.service rtpproxy.service



[Service]

Type=forking

User=opensips

Group=opensips

RuntimeDirectory=opensips

RuntimeDirectoryMode=775

Environment=P_MEMORY=32 S_MEMORY=32

EnvironmentFile=-/etc/sysconfig/opensips

PermissionsStartOnly=yes

PIDFile=%t/opensips/opensips.pid

ExecStart=/usr/sbin/opensips -P %t/opensips/opensips.pid -f /etc/opensips/opensips.cfg -m $S_MEMORY -M $P_MEMORY $OPTIONS

ExecStop=/usr/bin/pkill --pidfile %t/opensips/opensips.pid

Restart=always

TimeoutStopSec=30s

LimitNOFILE=262144



[Install]

WantedBy=multi-user.target






There is a permissions error that pops up when running "service opensips start":



Sep 29 08:33:48 testBox opensips: Sep 29 08:33:48 [7016] INFO:drouting:dr_init: dynamic routing - initializing

Sep 29 08:33:48 testBox opensips: Sep 29 08:33:48 [7016] INFO:core:init_rpm_mallocs: using 512 Mb of restart persistent shared memory

Sep 29 08:33:48 testBox opensips: Sep 29 08:33:48 [7016] ERROR:core:init_rpm_mallocs: could not create the restart 
persistency memory file .restart_persistency.cache (13: Permission 
denied)

Sep 29 08:33:48 testBox opensips: Sep 29 08:33:48 [7016] ERROR:core:rpm_init_mem: could not initialize restart persistent memory!

Sep 29 08:33:48 testBox opensips: Sep 29 08:33:48 [7016] ERROR:drouting:dr_init: could not initilize restart persistency memory!





The daemon start works in debug mode as a root and as opensips user (opensips -D);

 however fails start with startup scripts. 



The permissions on the /etc/opensips directory are as follows: 

opensips# ls -aXlt

total 1708

drwxrwxrwx   3 opensips opensips      4096 Sep 29 08:25 .                     (/etc/opensips directory)

drwxr-xr-x. 78 root     root          4096 Sep 28 21:48 ..                           (/etc/ directory) 

-rwxrwxrwx   1 opensips opensips     11673 Sep 28 20:51 opensips.cfg

drwxrwxrwx   4 opensips opensips      4096 Sep 26 16:40 tls

-rwxrwxrwx   1 opensips opensips      1674 Sep 25 19:45 dictionary.opensips

-rwxrwxrwx   1 opensips opensips       500 Sep  6 13:27 opensips-cli.cfg







It
 looks like the full permissions to opensips user are allowed on the 
home directory, however writing of this file still fails as systemV 
service 



Is there anything else that I can check? 









Any pointers would be greatly appreciated. 



Thank you.
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