[collectd] oracle plugin can't find tnsnames.ora

[Toni Moreno]

You can set  TSN_ADMIN =<path_where_tnsnames.ora> is located.

I how this can help you.




2014-07-02 21:18 GMT+02:00 Giovanni Torres <giovtorres at hotmail.com>:

> I successfully compiled the oracle plugin for collectd but I can't get it
> to work.
>
> I installed oracle-instantclient12.1-devel-12.1.0.1.0-1.x86_64 and
> oracle-instantclient12.1-basic-12.1.0.1.0-1.x86_64.  I set $ORACLE_HOME in
> /etc/profile.d and I set the LD_LIBRARY_PATH in /etc/ld.so.conf.d.
>
> Here is my oracle config in /etc/collectd.d/
>
> LoadPlugin oracle
>
> <Plugin oracle>
>
>   <Query "io_per_tablespace">
>     Statement "SELECT sum(vf.PHYBLKRD)*8192 AS PHY_BLK_R, \
>                       sum(vf.PHYBLKWRT)*8192 AS PHY_BLK_W, \
>                       'tablespace' AS i_prefix, \
>                       dt.tablespace_name \
>                    FROM ((dba_data_files dd JOIN v$filestat vf ON
> dd.file_id = vf.file# ) \
>                          JOIN dba_tablespaces dt ON dd.tablespace_name =
> dt.tablespace_name) \
>                    GROUP BY dt.tablespace_name"
>     <Result>
>       Type "io_octets"
>       InstancesFrom "i_prefix" "TABLESPACE_NAME"
>       ValuesFrom "PHY_BLK_R" "PHY_BLK_W"
>     </Result>
>   </Query>
>
>   <Database "DB1">
>     ConnectID "DEV"
>     Username "collectd"
>     Password "secret"
>     Query "io_per_tablespace"
>   </Database>
>
> </Plugin>
>
>
> This is the log entry from the oracle plugin:
>
> [2014-07-02 15:12:24] oracle plugin: o_read_database (db = DB1, query =
> (none)): OCILogon("DEV") failed: ORA-12154: TNS:could not resolve the
> connect identifier specified
>
>
> I have a tnsnames.ora in $ORACLE_HOME/network/admin but the daemon doesn't
> seem to be looking for it:
>
> strace -e access,open /usr/sbin/collectd -C /etc/collectd.conf -f
>
> open("/etc/collectd.d/oracle.conf", O_RDONLY) = 3
> open("/usr/lib64/collectd/oracle.so", O_RDONLY) = 6
> open("/usr/lib/oracle/12.1/client64/lib/libclntsh.so.12.1", O_RDONLY) = 6
> open("/usr/lib/oracle/12.1/client64/lib/libnnz12.so", O_RDONLY) = 6
> open("/usr/lib/oracle/12.1/client64/lib/libons.so", O_RDONLY) = 6
> open("/usr/lib/oracle/12.1/client64/lib/libclntshcore.so.12.1", O_RDONLY)
> = 6
> open("/usr/lib/oracle/12.1/client64/lib/libociei.so", O_RDONLY) = 5
> open("/usr/lib/oracle/12.1/client64/network/admin/oraaccess.xml",
> O_RDONLY) = -1 ENOENT (No such file or directory)
> access("/usr/lib/oracle/12.1/client64/network/admin/oraaccess.xml", F_OK)
> = -1 ENOENT (No such file or directory)
> access("/usr/lib/oracle/12.1/client64/network/admin/oraaccess.xml", F_OK)
> = -1 ENOENT (No such file or directory)
> open("/usr/lib/oracle/12.1/client64/network/admin/oraaccess.xml",
> O_RDONLY) = -1 ENOENT (No such file or directory)
> access("/usr/lib/oracle/12.1/client64/network/admin/sqlnet.ora", F_OK) = 0
> open("/usr/lib/oracle/12.1/client64/network/admin/sqlnet.ora", O_RDONLY) =
> 5
> access("/root/.sqlnet.ora", F_OK)       = -1 ENOENT (No such file or
> directory)
> open("/etc/orabasetab", O_RDONLY)       = -1 ENOENT (No such file or
> directory)
> open("/usr/lib/oracle/12.1/client64/install/orabasetab", O_RDONLY) = -1
> ENOENT (No such file or directory)
> access("/usr/lib/oracle/12.1/client64/network/admin/sqlnet.ora", F_OK) = 0
> open("/usr/lib/oracle/12.1/client64/network/admin/sqlnet.ora", O_RDONLY) =
> 6
> access("/usr/lib/oracle/12.1/client64/network/admin/intchg.ora", F_OK) =
> -1 ENOENT (No such file or directory)
> access("/etc/intchg.ora", F_OK)         = -1 ENOENT (No such file or
> directory)
> access("/usr/lib/oracle/12.1/client64/network/admin/intchg.ora", F_OK) =
> -1 ENOENT (No such file or directory)
> access("/usr/lib/oracle/12.1/client64/network/admin/tnsnav.ora", F_OK) =
> -1 ENOENT (No such file or directory)
> access("/etc/tnsnav.ora", F_OK)         = -1 ENOENT (No such file or
> directory)
> access("/usr/lib/oracle/12.1/client64/network/admin/tnsnav.ora", F_OK) =
> -1 ENOENT (No such file or directory)
>
>
> It doesn't appear to be looking for tnsnames.ora.  My $ORACLE_HOME is
> /usr/lib/oracle/12.1/client64.  This is the same ORACLE_HOME that was used
> when compiling the plugin, if that matters.
>
>
> Can someone point out what I may be doing wrong or what I have missed to
> get this to work?
>
>
> Thanks,
> Giovanni
>
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>



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Toni Moreno

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