Class: ForemanWreckingball::VmwareHypervisorImporter

Inherits:
Object
  • Object
show all
Defined in:
app/services/foreman_wreckingball/vmware_hypervisor_importer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ VmwareHypervisorImporter

Returns a new instance of VmwareHypervisorImporter.



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# File 'app/services/foreman_wreckingball/vmware_hypervisor_importer.rb', line 7

def initialize(options = {})
  @compute_resource = options.fetch(:compute_resource)
  @hypervisors = {}
  @counters = {}
end

Instance Attribute Details

#compute_resource ⇒ Object

Returns the value of attribute compute_resource.



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# File 'app/services/foreman_wreckingball/vmware_hypervisor_importer.rb', line 5

def compute_resource
  @compute_resource
end

#counters ⇒ Object

Returns the value of attribute counters.



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# File 'app/services/foreman_wreckingball/vmware_hypervisor_importer.rb', line 5

def counters
  @counters
end

Instance Method Details

#create_host_for_hypervisor(name) ⇒ Object 



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# File 'app/services/foreman_wreckingball/vmware_hypervisor_importer.rb', line 97

def create_host_for_hypervisor(name)
  host = ::Host::Managed.new(:name => name, :organization => organization,
                             :location => location, :managed => false, :enabled => false)
  host.save!
  host
end

#delete_removed_hypervisors(cluster) ⇒ Object 



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# File 'app/services/foreman_wreckingball/vmware_hypervisor_importer.rb', line 104

def delete_removed_hypervisors(cluster)
  hypervisor_names = hypervisors(cluster).map(&:name)
  hypervisor_uuids = hypervisors(cluster).map(&:uuid)
  delete_query = ::ForemanWreckingball::VmwareHypervisorFacet.joins(:host).where(vmware_cluster: cluster).where.not('hosts.name': hypervisor_names).where.not(uuid: hypervisor_uuids)
  counters[:deleted] = if ActiveRecord::Base.connection.adapter_name.downcase.starts_with?('mysql')
                         ::ForemanWreckingball::VmwareHypervisorFacet.where(:id => delete_query.pluck(:id)).delete_all
                       else
                         delete_query.delete_all
                       end
end

#find_host_for_hypervisor(hypervisor) ⇒ Object 



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# File 'app/services/foreman_wreckingball/vmware_hypervisor_importer.rb', line 81

def find_host_for_hypervisor(hypervisor)
  name = ::ForemanWreckingball::VmwareHypervisorFacet.sanitize_name(hypervisor.name)
  hostname = ::ForemanWreckingball::VmwareHypervisorFacet.sanitize_name([hypervisor.hostname, hypervisor.domainname].join('.'))
  hostname = nil if hostname.blank?
  katello_name = katello_hypervisor_hostname(hostname || name)
  katello_uuid = katello_hypervisor_hostname(hypervisor.uuid)

  host = ::ForemanWreckingball::VmwareHypervisorFacet.find_by(:uuid => hypervisor.uuid).try(:host)
  host ||= ::Host.find_by(:name => hostname) if hostname
  host ||= ::Host.find_by(:name => name)
  host ||= ::Host.find_by(:name => katello_name) if katello_name
  host ||= ::Host.find_by(:name => katello_uuid) if katello_uuid
  host ||= create_host_for_hypervisor(hostname || name)
  host
end

#hypervisors(cluster) ⇒ Object 



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# File 'app/services/foreman_wreckingball/vmware_hypervisor_importer.rb', line 77

def hypervisors(cluster)
  @hypervisors[cluster.name.to_sym] ||= compute_resource.hypervisors(:cluster_id => cluster.name)
end

#import! ⇒ Object 



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# File 'app/services/foreman_wreckingball/vmware_hypervisor_importer.rb', line 13

def import!
  logger.info "Can not determine organization for compute resource #{compute_resource}." if SETTINGS[:organizations_enabled]
  compute_resource.refresh_cache
  compute_resource.vmware_clusters.each do |cluster|
    import_hypervisors(cluster)
    delete_removed_hypervisors(cluster)
  end
  logger.info("Import hypervisors for '#{compute_resource}' completed. Added: #{counters[:added] || 0}, Updated: #{counters[:updated] || 0}, Deleted: #{counters[:deleted] || 0} hypervisors") # rubocop:disable Metrics/LineLength
end

#import_hypervisor(cluster, hypervisor) ⇒ Object 



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# File 'app/services/foreman_wreckingball/vmware_hypervisor_importer.rb', line 29

def import_hypervisor(cluster, hypervisor)
  host = find_host_for_hypervisor(hypervisor)

  counter = host.vmware_hypervisor_facet ? :updated : :added

  ipaddress6 = hypervisor.ipaddress6
  ipaddress6 = nil if begin
                         IPAddr.new('fe80::/10').include?(ipaddress6)
                       rescue StandardError
                         false
                       end

  hostname = hypervisor.hostname
  domainname = hypervisor.domainname

  unless hostname.present? && domainname.present?
    logger.info "Trying to guess host- and domainname for #{hypervisor.name}."
    hostname, domainname = hypervisor.name.split('.', 2)
  end

  unless hostname.present? && domainname.present?
    logger.error "Could not guess host- and domainname for #{hypervisor.name}. Skipping."
    return false
  end

  result = host.update(
    :name => hostname,
    :domain => ::Domain.where(:name => domainname).first_or_create,
    :model => ::Model.where(:name => hypervisor.model.strip).first_or_create,
    :ip => hypervisor.ipaddress,
    :ip6 => ipaddress6,
    :vmware_hypervisor_facet_attributes => {
      :vmware_cluster => cluster,
      :cpu_cores => hypervisor.cpu_cores,
      :cpu_sockets => hypervisor.cpu_sockets,
      :cpu_threads => hypervisor.cpu_threads,
      :memory => hypervisor.memory,
      :uuid => hypervisor.uuid,
      :feature_capabilities => hypervisor.feature_capabilities
    }
  )
  if result
    increment_counter(counter)
  else
    logger.error "Failed to save host #{host}. Reason: #{host.errors.full_messages.to_sentence}"
  end
end

#import_hypervisors(cluster) ⇒ Object 



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# File 'app/services/foreman_wreckingball/vmware_hypervisor_importer.rb', line 23

def import_hypervisors(cluster)
  hypervisors(cluster).each do |hypervisor|
    import_hypervisor(cluster, hypervisor)
  end
end

#katello_hypervisor_hostname(hostname) ⇒ Object 



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# File 'app/services/foreman_wreckingball/vmware_hypervisor_importer.rb', line 125

def katello_hypervisor_hostname(hostname)
  return unless organization
  "virt-who-#{hostname}-#{organization.id}"
end

#location ⇒ Object 



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# File 'app/services/foreman_wreckingball/vmware_hypervisor_importer.rb', line 120

def location
  return unless SETTINGS[:locations_enabled]
  compute_resource.locations.first
end

#organization ⇒ Object 



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# File 'app/services/foreman_wreckingball/vmware_hypervisor_importer.rb', line 115

def organization
  return unless SETTINGS[:organizations_enabled]
  compute_resource.organizations.first
end