Fix service's installation path for CentOS 8

[BraulioV]

Related issue
wazuh/wazuh-packages#323

Description

Hi team,

This PR closes wazuh/wazuh-packages#323 by installing the services files in /usr/lib/systemd/system/. This allows using systemd to manage the service of the manager and the agent in CentOS 8.

Configuration options

Not needed.

Logs/Alerts example

• Agent:

[root@centos8 wazuh]# systemctl start wazuh-agent          
[root@centos8 wazuh]# systemctl status wazuh-agent      
● wazuh-agent.service - Wazuh agent
   Loaded: loaded (/usr/lib/systemd/system/wazuh-agent.service; enabled; vendor preset: disabled)
   Active: active (running) since Tue 2019-10-08 09:11:48 UTC; 2s ago
  Process: 12620 ExecStart=/usr/bin/env ${DIRECTORY}/bin/ossec-control start (code=exited, status=0/SUCCESS)
    Tasks: 22 (limit: 24014)
   Memory: 12.1M
   CGroup: /system.slice/wazuh-agent.service
           ├─12647 /var/ossec/bin/ossec-execd
           ├─12652 /var/ossec/bin/ossec-agentd
           ├─12659 /var/ossec/bin/ossec-syscheckd
           ├─12664 /var/ossec/bin/ossec-logcollector
           └─12674 /var/ossec/bin/wazuh-modulesd

• Manager

[root@centos8 vagrant]# systemctl status wazuh-manager
● wazuh-manager.service - Wazuh manager
   Loaded: loaded (/usr/lib/systemd/system/wazuh-manager.service; enabled; vendor preset: disabled)
   Active: active (running) since Tue 2019-10-08 09:21:26 UTC; 10s ago
  Process: 4948 ExecStart=/usr/bin/env ${DIRECTORY}/bin/ossec-control start (code=exited, status=0/SUCCESS)
    Tasks: 85 (limit: 24014)
   Memory: 47.5M
   CGroup: /system.slice/wazuh-manager.service
           ├─5013 /var/ossec/bin/ossec-authd
           ├─5022 /var/ossec/bin/wazuh-db
           ├─5039 /var/ossec/bin/ossec-execd
           ├─5047 /var/ossec/bin/ossec-analysisd
           ├─5054 /var/ossec/bin/ossec-syscheckd
           ├─5062 /var/ossec/bin/ossec-remoted
           ├─5087 /var/ossec/bin/ossec-logcollector
           ├─5092 /var/ossec/bin/ossec-monitord
           └─5098 /var/ossec/bin/wazuh-modulesd

Oct 08 09:21:24 centos8 env[4948]: Started wazuh-db...
Oct 08 09:21:24 centos8 env[4948]: Started ossec-execd...
Oct 08 09:21:24 centos8 env[4948]: Started ossec-analysisd...
Oct 08 09:21:24 centos8 env[4948]: Started ossec-syscheckd...
Oct 08 09:21:24 centos8 env[4948]: Started ossec-remoted...
Oct 08 09:21:24 centos8 env[4948]: Started ossec-logcollector...
Oct 08 09:21:24 centos8 env[4948]: Started ossec-monitord...
Oct 08 09:21:24 centos8 env[4948]: Started wazuh-modulesd...
Oct 08 09:21:26 centos8 env[4948]: Completed.
Oct 08 09:21:26 centos8 systemd[1]: Started Wazuh manager.

Tests

• Compilation without warnings in every supported platform
  • Linux
• Source installation
• Package installation
• Source upgrade
• Package upgrade
• Review logs syntax and correct language

[alberpilot]

LGTM!