BugFix#18543 maxSize and segment max cache size is not pass (right now is using the default value)

[rgomezborder]

Related issue in RedMine

• Associated Redmine task

Description

• Updating and improving harddisk_services method.
• Passing druid_historical hd_service maxsize variable to coobook-druid.

Details

• harddisk_services method handles 4 differents services. Before of this PR this was the result of it.

"hd_services_current": {
  "kafka": 0.0,
  "zookeeper": 0.0,
  "riak": 0.0,
  "druid_historical": 0.0
},

Now we retrieve the total size of the root device in bytes by converting the disk size from kilobytes to bytes. Then, for each service in node['redborder']['manager']['hd_services'], it calculates the number of bytes to allocate by multiplying the total disk size by service_count, which now represents the percentage of disk space allocated to that service.

This allocation is then stored in the hd_services hash, with each service's name as the key and its allocated size in bytes as the value.

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