Elastix4.0 High Availability without ElastixHA module
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Explained one of many way for setup High Availability on Elastix 4.0 without "Elastix High Availability Module"
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Elastix4.0 High Availability without ElastixHA module
- 1. How to Make Elastix 4.0 High Availability without “Elastix HA module”
- 2. Why ? ● Need 24/7 Service ● Elastix High Availability Module is not Free
- 3. What To Do Elastix1 192.168.6.1 elastix2 192.168.6.2 Floating IP 192.168.6.3LAN / WAN Master Master BOOM
- 5. ● Prerequisite ● Install the Elastix 4.0 ● Preconfigure ● Install the Cluster Software ● Configure the Cluster Software ● Start the Cluster ● Add the Floating IP ● Database Setup ● Scripting ● Reference Content
- 6. ● Physical Server or VM ● Elastix 4.0 image ● Internet Connection ● Basic Linux Knowledge ● Basic MariaDB/MySQL Knowledge ● Basic Programming Prerequisite
- 7. ● Prepare both of servers (power, cabling, etc.) ● Boot the Elastix 4.0 image ● Do installation progress like usual (CentOS 7) ● Verify the Elastix 4.0 installation was installed properly Install the Elastix 4.0
- 8. ● Hostname Setup ● Create and Activate SSH Key ● Time Sync Preconfigure
- 9. ● Type command below # yum install y pacemaker pcs psmisc policycoreutilspython Install the Cluster Software
- 10. ● Start & enable pcs daemon # systemctl start pcsd.service # systemctl enable pcsd.service ● Change password for ‘hacluster’ user use same password on either servers # passwd hacluster or # echo admin | passwd stdin hacluster Configure the Cluster Daemon Setup
- 11. ● Setup each server to authentivate as the hacluster user # pcs cluster auth <elastix1> <elastix2> ● Generate and sync the corosync config # pcs cluster setup name <clustername> <elastix1> <elastix2> Configure the Cluster Corosync Setup
- 12. ● Start the cluster # pcs cluster start all or # systemctl start corosync.service # systemctl start pacemaker.service ● Verify the cluster member # pcs status corosync Start the Cluster Corosync Setup
- 13. ● Add Floating IP # pcs resource create ClusterIP ocf:heartbeat:IPaddr2 ip=192.168.6.163 cidr_netmask=32 op monitor interval=30s ● Verify # pcs status Add the Floating IP Corosync Setup
- 14. ● Edit & add db file conf /etc/my.cnf with code below ● at elastix1 [mysqld] serverid = 1 logbin = mysqlbin binlog_do_db = asterisk ● at elastix2 [mysqld] serverid = 2 logbin = mysqlbin binlog_do_db = asterisk ● Restart the db # systemctl restart mariadb ● Create user & grant access MariaDB [(none)]> grant replication slave on *.* to replica@'%' identified by 'password'; MariaDB [(none)]> flush privileges; Database Setup Config Setting
- 15. ● Master status ● at elastix1 MariaDB [(none)]> show master status; +++++ | File | Position | Binlog_Do_DB | Binlog_Ignore_DB | +++++ | mysqlbin.000001 | 456 | asterisk | | +++++ 1 row in set (0.00 sec) ● at elastix2 MariaDB [(none)]> show master status; +++++ | File | Position | Binlog_Do_DB | Binlog_Ignore_DB | +++++ | mysqlbin.000002 | 465 | asterisk | | +++++ 1 row in set (0.00 sec) ● Restart the db # systemctl restart mariadb Database Setup Set master
- 16. ● Set db Master ● at elastix1 MariaDB [(none)]> change master to master_host='192.168.6.162', master_user='replica', master_password='password', master_log_file='mysqlbin.000002', master_log_pos=465; ● at elastix2 MariaDB [(none)]> change master to master_host='192.168.6.161', master_user='replica', master_password='password', master_log_file='mysqlbin.000001', master_log_pos=456; ● Start replication MariaDB [(none)]> start slave; ● Slave status MariaDB [(none)]> show slave statusG Database Setup Set master Please note the host IP, master log file and master log pos
- 18. Scripting script force db update (logic) inisialisasi; execute “asterisk rx channel request hangup all” #for flush hangup call opendbconnection; x = "SELECT extension, password, name, voicemail, ringtimer, noanswer, recording, outboundcid, user, dial, devicetype FROM users, devices WHERE extension=id” while (ext = $x > fetcharrow()) { user = $ext > {‘extension’} execute “asterisk command”; } closedbconnection; Just Logic The real script is yours