Module: Foreman::Controller::DiscoveredExtensions

Extended by:
ActiveSupport::Concern
Included in:
Api::V2::DiscoveredHostsController, DiscoveredHostsController
Defined in:
app/controllers/concerns/foreman/controller/discovered_extensions.rb

Instance Method Summary collapse

Instance Method Details

#find_discovery_rule(host) ⇒ Object

return auto provision rule or false when not present



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# File 'app/controllers/concerns/foreman/controller/discovered_extensions.rb', line 5

def find_discovery_rule host
  Rails.logger.debug "Finding auto discovery rule for host #{host.name} (#{host.id})"
  # for each discovery rule ordered by priority
  DiscoveryRule.where(:enabled => true).order(:priority).each do |rule|
    max = rule.max_count
    usage = rule.hosts.size
    Rails.logger.debug "Found rule #{rule.name} (#{rule.id}) [#{usage}/#{max}]"
    # if the rule has free slots
    if max == 0 || usage < max
      # try to match the search
      begin
        if Host::Discovered.where(:id => host.id).search_for(rule.search).size > 0
          Rails.logger.info "Match found for host #{host.name} (#{host.id}) rule #{rule.name} (#{rule.id})"
          return rule
        end
      rescue ScopedSearch::QueryNotSupported => e
        Rails.logger.warn "Invalid query for rule #{rule.name} (#{rule.id}): #{e.message}"
      end
    else
      Rails.logger.info "Skipping drained rule #{rule.name} (#{rule.id}) with max set to #{rule.max_count}"
    end
  end
  return false
end

#perform_auto_provision(original_host, rule) ⇒ Object

trigger the provisioning



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# File 'app/controllers/concerns/foreman/controller/discovered_extensions.rb', line 31

def perform_auto_provision original_host, rule
  Host.transaction do
    host = ::ForemanDiscovery::HostConverter.to_managed(original_host)
    host.hostgroup_id = rule.hostgroup_id
    host.comment = "Auto-discovered and provisioned via rule '#{rule.name}'"
    host.discovery_rule = rule
    # render hostname only when all other fields are set
    original_name = host.name
    host.name = host.render_template(rule.hostname) unless rule.hostname.empty?
    # fallback to the original if template did not expand
    host.name = original_name if host.name.empty?
    # save! does not work here
    host.save
  end
end