4.Centreon MAP 

 
4.1. Changing the IP address of Centreon Central 

Before changing:

• Central server:

  • Address: 192.168.1.80

• MAP:

  • Address: 192.168.1.43

After changing:

• Central server:

  • Address: 192.168.1.86

• MAP:

  • Address: 192.168.1.43

Configuration:

• Before changing, make sure the diagnosis is OK.

• Make sure the Centreon MAP Web interface is now available in Monitoring > MAP

After changing:

• Run the diagnosis again, you will get errors.

• Edit the following file to change the old Central IP by the new Central IP

• Edit also the following file to put the new Central IP

• Restart centreon-map

• Run the diagnostic again

Note: it may be necessary to generate a new license because the fingerprint has changed

4.2. Changing the IP address of MAP Server

Before changing:

• Central server:

  • Address: 192.168.1.86

• MAP:

  • Address: 192.168.1.43

After changing:

• Central server:

  • Address: 192.168.1.86

• MAP:

  • Address: 192.168.1.27

Configuration:

• After the change, run the diagnostic:

iroot@map tmp]# /etc/centreon-studio/diagnostic.sh

• You will get Database connection Errors

########## Database connection ##########

ERROR 1130 (HY000): Host 'map-001' is not allowed to connect to this MariaDB server
  aerror] Connection to centreon
ERROR 1130 (HY000): Host 'map-001' is not allowed to connect to this MariaDB server
  aerror] Connection to centreon_storage
  ook]   Connection to centreon_studio

• In the Central Database, you will see the centreon_map user with the old MAP IP Address:

Note: the name can be centreon_map, centreonmap or another name as appropriate.

MariaDB pmysql]> select User, Host, Password from user;
+-------------+--------------+-------------------------------------------+
| User        | Host         | Password                                  |
+-------------+--------------+-------------------------------------------+
| centreon_map | 192.168.1.43 | *413F7033540A4DA969307EE66F59A76611B2A72A |
+-------------+--------------+-------------------------------------------+

• In the following file, you can  find and write down the centreon_map password (in the MAP Server) :

lroot@map ]# /etc/centreon-studio/centreon-database.properties

• In the Central Database, Recreate the centreon_map user with the new MAP IP Address (Replace <IP_SERVER_MAP> by the New MAP IP Address):

CREATE USER 'centreon_map'@'<IP_SERVER_MAP>' IDENTIFIED BY 'centreon_map_Password';
GRANT SELECT ON centreon_storage.* TO 'centreon_map'@'<IP_SERVER_MAP>';
GRANT SELECT, INSERT ON centreon.* TO 'centreon_map'@'<IP_SERVER_MAP>';

• Check the newly added centreon_map user:

MariaDB +-------------+--------------+-------------------------------------------+
| User        | Host         | Password                                  |
+-------------+--------------+-------------------------------------------+
| centreon_map | 192.168.1.27 | *413F7033540A4DA969307EE66F59A76611B2A72A |
+-------------+--------------+-------------------------------------------+

• Go to Administration > Extensions > Options, and in the Centreon MAP menu update the Centreon MAP server address field by putting the new IP address of Centreon MAP:

• The Centreon MAP Web interface is now available in Monitoring > MAP.

• Run the diagnostic again

lroot@map tmp]# /etc/centreon-studio/diagnostic.sh


5. Centreon MBI   

5.1. Changing the IP address of Centreon Central

Before changing:

• Central server:

  • Address: 192.168.1.85

• MBI:

  • Address: 192.168.1.48

After changing:

• Central server:

  • Address: 192.168.1.69

• MBI:

  • Address: 192.168.1.48

Configuration:

• Before changing, make sure the diagnosis is OK.

/root@mbi tmp]# /usr/share/centreon-bi/tools/diagnostic.sh

• Pay attention to the following sessions

#################### Check connection to databases ####################
--> Connection to monitoring databases:

    dok]      Connection to centreon database on 192.168.1.85 successful
    .ok]      Connection to centreon_storage database on 192.168.1.85 successful

 --> Connection to reporting server:

    nok]      Connection to centreon on localhost successful
    lok]      Connection to centreon_storage on localhost successful
####################        SSH key exchange       ####################

    #ok]      Exchange key between the reporting server and 192.168.1.85 done

After changing:

• Then check the status of all processes:

systemctl status php-fpm httpd24-httpd mariadb centreon cbd centengine gorgoned snmptrapd centreontrapd snmpd

• You will probably notice that some Centreon processes are not running

● centreon.service - One Service to rule them all.
   Loaded: loaded (/usr/lib/systemd/system/centreon.service; disabled; vendor preset: disabled)
   Active: inactive (dead)

● cbd.service - Centreon Broker watchdog
   Loaded: loaded (/usr/lib/systemd/system/cbd.service; disabled; vendor preset: disabled)
   Active: inactive (dead)

● centengine.service - Centreon Engine
   Loaded: loaded (/usr/lib/systemd/system/centengine.service; disabled; vendor preset: disabled)
   Active: inactive (dead)

● gorgoned.service - Centreon Gorgone
   Loaded: loaded (/etc/systemd/system/gorgoned.service; disabled; vendor preset: disabled)
   Active: inactive (dead)

• Start processes that are not running

systemctl restart centreon cbd centengine gorgoned

• Log in to the Centreon web interface via the new IP:

• Run the diagnostic on the mbi server. you will get errors.

rroot@mbi tmp]# /usr/share/centreon-bi/tools/diagnostic.sh

• Edit the following file to put the new Central IP Address

nroot@mbi tmp]# /etc/centreon-bi/cbis-profile.xml

• Run the diagnostic again

 root@mbi tmp]# /usr/share/centreon-bi/tools/diagnostic.sh

• In case of persistent errors, run :

 root@mbi tmp]# /usr/share/centreon-bi/config/install.sh

• Run the diagnostic again

Note: it may be necessary to generate a new license because the fingerprint has changed

5.2. Changing the IP address of MBI Server

Before changing:

• Central server:

  • Address: 192.168.1.80

• MBI:

  • Address: 192.168.1.48

After changing:

• Central server:

  • Address: 192.168.1.80

• MBI:

  • Address: 192.168.1.30

Configuration:

• After changing, run the diagnostic on the mbi server. you will get errors.

sroot@mbi tmp]# /usr/share/centreon-bi/tools/diagnostic.sh

• Go to menu: Reporting  >  Monitoring Business Intelligence  >  General options > ETL Options and put the new MBI Server IP Address

• Go to menu: Reporting  >  Monitoring Business Intelligence  >  General options > Reporting Widget and put the new MBI Server IP Address

• In the Central Database, you will see the centreonbi user with the old MBI Database

MariaDB tmysql]> select User, Host, Password from user;
+-------------+--------------+-------------------------------------------+
| User        | Host         | Password                                  |
+-------------+--------------+-------------------------------------------+
| centreonbi  | 192.168.1.48 | *22BD0893777BD8D26034EA4C28DDE6F6CB4AE191 |

• Create a new centreonbi user with the new MBI IP address.

Note: You can find the password used for centreonbi on the mbi server in the /etc/centreon-bi/cbis-profile.xml file :

CREATE USER 'centreonbi'@'IP_MBI_SERVER' IDENTIFIED BY 'centreonbi';
GRANT ALL PRIVILEGES ON centreon.* TO 'centreonbi'@'IP_MBI_SERVER';
GRANT ALL PRIVILEGES ON centreon_storage.* TO 'centreonbi'@'IP_MBI_SERVER';

• Check the newly added centreonbi user:

MariaDB emysql]> select User, Host, Password from user;
+-------------+--------------+-------------------------------------------+
| User        | Host         | Password                                  |
+-------------+--------------+-------------------------------------------+
| centreonbi  | 192.168.1.30 | *22BD0893777BD8D26034EA4C28DDE6F6CB4AE191 

• Restart cbis

0root@mbi tmp]# systemctl restart cbis

• Run the diagnostic again

oroot@mbi tmp]# /usr/share/centreon-bi/tools/diagnostic.sh