[SR-Users] driver error: Can't connect to MySQL server with kamailio 5.3.x and mysql-config-groups

Mon Oct 28 15:01:07 CET 2019

Hello Daniel,

i have a good news and bad news.

First the good one:

I tried the master and it works for me now with DBURL.

kamailio -v
version: kamailio 5.4.0-dev1 (x86_64/linux)
flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE,
USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC,
TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT,
USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST,
HAVE_RESOLV_RES
ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE 1024,
BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: unknown
compiled on 13:04:06 Oct 28 2019 with gcc 4.8.5
[root at sipedge1 ~]# grep DBURL /etc/kamailio/kamailio-local.cfg
#!define DBURL "mysql://[kamailio]/kamailio"

[root at sipedge1 ~]# grep '\[' /etc/kamailio/modules.cfg
modparam("sqlops", "sqlcon", "cb=>mysql://[kamailio]/kamailio")

The bad news: SPEC File seems broken for the dependency on CENTOS 7.7
Self generated RPMS got  /usr/bin/python23 as dependecy. This file not
exits.

 rpm -qp kamailio-5.3.0-14.el7.centos.x86_64.rpm --requires
/bin/sh
/bin/sh
/bin/sh
/bin/sh
/usr/bin/python23
config(kamailio) = 5.3.0-14.el7.centos.4com
libc.so.6()(64bit)
libc.so.6(GLIBC_2.14)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libc.so.6(GLIBC_2.3)(64bit)
libc.so.6(GLIBC_2.3.2)(64bit)
libc.so.6(GLIBC_2.3.4)(64bit)
libc.so.6(GLIBC_2.7)(64bit)
libdl.so.2()(64bit)
libdl.so.2(GLIBC_2.2.5)(64bit)
libm.so.6()(64bit)
libm.so.6(GLIBC_2.2.5)(64bit)
libprint.so.1()(64bit)
libresolv.so.2()(64bit)
libresolv.so.2(GLIBC_2.2.5)(64bit)
libsrdb1.so.1()(64bit)
libsrdb2.so.1()(64bit)
libsrutils.so.1()(64bit)
libtrie.so.1()(64bit)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PartialHardlinkSets) <= 4.0.4-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rtld(GNU_HASH)
rpmlib(PayloadIsXz) <= 5.2-1

Am Fr., 25. Okt. 2019 um 12:58 Uhr schrieb Daniel-Constantin Mierla <
miconda at gmail.com>:

> Hello,
>
> can you try with the patch from next commit:
>
>   -
> https://github.com/kamailio/kamailio/commit/2aa614d49f4917faec62534a51fcf8ddfc5fb870
>
> If all ok, then I will backport.
>
> Cheers,
> Daniel
> On 25.10.19 12:50, Karsten Horsmann wrote:
>
> Hi Henning,
>
> changing a parser without understanding the parser is dangerous. IMHO the
> [groupname] will be given to the mysql-libs.
> I am not so deep inside kamailio c-code to full understand that case.
>
> Am Mi., 23. Okt. 2019 um 18:29 Uhr schrieb Henning Westerholt <
> hw at skalatan.de>:
>
>> Hello,
>>
>>
>>
>> just an idea – maybe the easiest way would be to introduce another
>> character for the groups, e.g. ‘{ }’ or similar. The overlapping between
>> IPv6 and groups was not intended, the group support is probably older as
>> IPv6 in Kamailio. 😉
>>
>>
>>
>> Cheers,
>>
>>
>>
>> Henning
>>
>>
>>
>> --
>>
>> Henning Westerholt - https://skalatan.de/blog/
>>
>> Kamailio services - https://skalatan.de/services
>>
>>
>>
>> *From:* sr-users <sr-users-bounces at lists.kamailio.org> *On Behalf Of *Karsten
>> Horsmann
>> *Sent:* Wednesday, October 23, 2019 6:17 PM
>> *To:* Daniel-Constantin Mierla <miconda at gmail.com>
>> *Cc:* Kamailio (SER) - Users Mailing List <sr-users at lists.kamailio.org>
>> *Subject:* Re: [SR-Users] driver error: Can't connect to MySQL server
>> with kamailio 5.3.x and mysql-config-groups
>>
>>
>>
>> Hi Daniel,
>>
>>
>>
>> you mean this commit (see below). Maybe  Alexey Vasilyev can told us
>> something to that change?
>>
>>
>>
>> How can i use mysql-groups in the [] notation? Like:
>>
>> #!define DBURL "mysql://[kamailio]/kamailio"
>>
>> https://kamailio.org/docs/modules/5.3.x/modules/db_mysql.html#idm140
>>
>>
>>
>> AFAIK this change splits [ and ] to ipv6 Host and sets ST_HOST6 and
>>
>>
>>
>> commit a7588f382605991bef4499de8c89b10a9468c8cf
>> Author: Alexey Vasilyev <alexei.vasilyev at gmail.com>
>> Date:   Wed Sep 4 13:47:23 2019 +0300
>>
>>     db_mysql: database URL supports IPv6 address as hostname
>>
>>     - changed parsing of db_url to accept IPv6 address for hostname
>>
>>
>>
>> Any help would be appreciated.
>>
>>
>>
>> Cheers Karsten
>>
>>
>>
>>
>>
>> Am Mi., 23. Okt. 2019 um 08:10 Uhr schrieb Daniel-Constantin Mierla <
>> miconda at gmail.com>:
>>
>> Hello,
>>
>> it could be that a patch to support ipv6 in the db url is conflicting
>> with the syntax for the group name, because both seem to use [ ] . Iirc,
>> such a commit was not long time ago. I will have to look at the code for
>> mysql conf group to see what exactly it expects, not sure I got time for it
>> today, though, maybe others can check quicker.
>>
>> Cheers,
>> Daniel
>>
>> On 22.10.19 16:38, Karsten Horsmann wrote:
>>
>> Hi Daniel,
>>
>>
>>
>> i create an Logfile with debug=3 on startup here:
>> https://gist.github.com/khorsmann/91642daaa3715c59624cd5272bc3398a#file-logfile-txt-L4345
>>
>>
>>
>>
>>  0(29174) DEBUG: db_mysql [km_my_con.c:108]: db_mysql_new_connection():
>> opening connection: mysql://xxxx:xxxx@kamailio/kamailio
>>
>> I dont know where kamailio though that there is an "hostname" kamailio
>> that holds the mysqldb/kamailio.
>>
>>
>>
>> I want to use groups in the future - cos i auto-generate mysql-passwords
>> with / for example and that is possible in groups, but i dunno how in
>> normal defines.
>>
>>
>>
>> Cheers
>>
>> Karsten
>>
>>
>>
>> Am Di., 22. Okt. 2019 um 15:40 Uhr schrieb Daniel-Constantin Mierla <
>> miconda at gmail.com>:
>>
>> Hello,
>>
>> if you set debug=3, do you see any other log message that can give hints
>> about the error?
>>
>> I do not recall any change in using mysql conf groups, but there were
>> some changes in supporting usernames with domains and few other updates
>> that could have affected indirectly this part.
>>
>> Cheers,
>> Daniel
>>
>> On 22.10.19 15:20, Karsten Horsmann wrote:
>>
>> Hi List,
>>
>>
>>
>> me again - i also updated the test-system to latest CentOS 7.7.1908 to be
>> sure that the rpm building source and my target system are on the same
>> versions.
>>
>>
>>
>>  lsb_release -a
>> LSB Version:    :core-4.1-amd64:core-4.1-noarch
>> Distributor ID: CentOS
>> Description:    CentOS Linux release 7.7.1908 (Core)
>> Release:        7.7.1908
>> Codename:       Core
>>
>>
>>
>> Am Di., 22. Okt. 2019 um 14:58 Uhr schrieb Karsten Horsmann <
>> khorsmann at gmail.com>:
>>
>> Hi List,
>>
>>
>>
>> i updated one of my testing kamailios from 5.2.x to latest 5.3.x.
>>
>> After restarting the process, i got an mysql error that the server
>> "kamailio" is not found.
>>
>>
>>
>> I use the config-feature of my.cnf config-group names within the
>> kamailio.cfg
>> I can start my kamailio 5.3.x installation with "normal
>> username:password at host" definitions for DBURL.
>>
>>
>>
>> Did anyone have the same issue?
>>
>>  0(19625) ERROR: db_mysql [km_my_con.c:139]: db_mysql_new_connection():
>> driver error: Can't connect to MySQL server on 'kamailio' (4)
>>  0(19625) ERROR: <core> [db.c:319]: db_do_init2(): could not add
>> connection to the pool
>>  0(19625) ERROR: dialplan [dp_db.c:179]: dp_connect_db(): unable to
>> connect to the database
>>  0(19625) ERROR: dialplan [dialplan.c:191]: mod_init(): could not
>> initialize data
>>  0(19625) ERROR: <core> [core/sr_module.c:850]: init_mod(): Error while
>> initializing module dialplan (/usr/lib64/kamailio/modules/dialplan.so)
>> ERROR: error while initializing modules
>>
>>
>> from my kamailio.cfg i defined the DBURL like this:
>>
>>
>> # Use /etc/my.cnf.d/kamailio.cnf to store credentials
>> # within a mysql-db-group
>> #!define DBURL "mysql://[kamailio]/kamailio"
>>
>> and special modules can use it like this (or via DBURL)
>> modparam("sqlops", "sqlcon", "cb=>mysql://[kamailio]/kamailio")
>>
>> cat /etc/my.cnf.d/kamailio.cnf
>>
>>
>> # MySQL configuration group for kamailio
>> [kamailio]
>> user=kamailio
>> password="kamailiorw"
>> host=172.20.100.22
>>
>>
>> rpm -qa | grep kam
>> kamailio-dialplan-5.3.0-13.1.x86_64
>> kamailio-websocket-5.3.0-13.1.x86_64
>> kamailio-jansson-5.3.0-13.1.x86_64
>> kamailio-mysql-5.3.0-13.1.x86_64
>> kamailio-tls-5.3.0-13.1.x86_64
>> kamailio-ims-5.3.0-13.1.x86_64
>> kamailio-statsd-5.3.0-13.1.x86_64
>> kamailio-5.3.0-13.1.x86_64
>> kamailio-redis-5.3.0-13.1.x86_64
>>
>>
>>
>>  cat /etc/redhat-release
>> CentOS Linux release 7.6.1810 (Core)
>>
>>
>>
>> --
>>
>> Cheers
>> *Karsten Horsmann*
>>
>>
>>
>>
>> --
>>
>> Mit freundlichen Grüßen
>> *Karsten Horsmann*
>>
>>
>>
>> _______________________________________________
>>
>> Kamailio (SER) - Users Mailing List
>>
>> sr-users at lists.kamailio.org
>>
>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
>> --
>>
>> Daniel-Constantin Mierla -- www.asipto.com
>>
>> www.twitter.com/miconda -- www.linkedin.com/in/miconda
>>
>> Kamailio Advanced Training, Oct 21-23, 2019, Berlin, Germany -- https://asipto.com/u/kat
>>
>>
>>
>>
>> --
>>
>> Mit freundlichen Grüßen
>> *Karsten Horsmann*
>>
>> --
>>
>> Daniel-Constantin Mierla -- www.asipto.com
>>
>> www.twitter.com/miconda -- www.linkedin.com/in/miconda
>>
>> Kamailio Advanced Training, Oct 21-23, 2019, Berlin, Germany -- https://asipto.com/u/kat
>>
>>
>>
>>
>> --
>>
>> Mit freundlichen Grüßen
>> *Karsten Horsmann*
>>
>
>
> --
> Mit freundlichen Grüßen
> *Karsten Horsmann*
>
> --
> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda
> Kamailio Advanced Training, Oct 21-23, 2019, Berlin, Germany -- https://asipto.com/u/kat
>
>

-- 
Mit freundlichen Grüßen
*Karsten Horsmann*
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