Module: EventStore::HTTP::Controls::Hostname::Resolution::HostsFile

Defined in:
lib/event_store/http/controls/hostname/resolution.rb

Class Method Summary collapse

Class Method Details

.get ⇒ Object 



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# File 'lib/event_store/http/controls/hostname/resolution.rb', line 17

def self.get
  tempfile = Tempfile.new 'hosts'
  tempfile.write text
  tempfile.close

  at_exit { tempfile.unlink }

  tempfile.path
end

.text ⇒ Object 



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# File 'lib/event_store/http/controls/hostname/resolution.rb', line 27

def self.text
  leader_ip_address, *follower_ip_addresses = Controls::Cluster::CurrentMembers.get

  ERB.new(<<~ERB, 0, '>').result binding
  <%= IPAddress::Available.example %> <%= Hostname::Available.example %>\n
  <%= IPAddress::Available.example %> <%= Hostname::Available::Other.example %>\n
  <%= IPAddress::Unavailable.example %> <%= Hostname::Unavailable.example %>\n

  <% (1..Controls::Cluster::Size.example).each do |member_index| %>
  <%= IPAddress::Cluster::Available.example member_index %> <%= Hostname::Cluster::Available.example %>\n
  <%= IPAddress::Cluster::Available.example member_index %> <%= Hostname::Cluster::Available::Member.example member_index %>\n
  <% end %>

  <% (1..Controls::Cluster::Size.example).each do |member_index| %>
  <%= IPAddress::Cluster::Unavailable.example member_index %> <%= Hostname::Cluster::Unavailable.example %>\n
  <%= IPAddress::Cluster::Unavailable.example member_index %> <%= Hostname::Cluster::Unavailable::Member.example member_index %>\n
  <% end %>

  <% (1..Controls::Cluster::Size.example).each do |member_index| %>
  <%= IPAddress::Cluster::PartiallyAvailable.example member_index %> <%= Hostname::Cluster::PartiallyAvailable.example %>\n
  <%= IPAddress::Cluster::PartiallyAvailable.example member_index %> <%= Hostname::Cluster::PartiallyAvailable::Member.example member_index %>\n
  <% end %>

  <%= leader_ip_address %> <%= Hostname::Cluster::Leader.example %>\n
  <% follower_ip_addresses.each do |follower_ip_address| %>
  <%= follower_ip_address %> <%= Hostname::Cluster::Followers.example %>\n
  <% end %>
  ERB
end