Class: Capistrano::Elobuff::Ec2::Compute

Inherits:
Object
  • Object
show all
Defined in:
lib/capistrano/elobuff/ec2/compute.rb

Instance Method Summary collapse

Constructor Details

#initialize(application, access_key_id, secret_access_key) ⇒ Compute

Returns a new instance of Compute.



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# File 'lib/capistrano/elobuff/ec2/compute.rb', line 7

def initialize(application, access_key_id, secret_access_key)
  @application = application
  @access_key_id = access_key_id
  @secret_access_key = secret_access_key
end

Instance Method Details

#available_servers ⇒ Object 



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# File 'lib/capistrano/elobuff/ec2/compute.rb', line 25

def available_servers
  servers.select {|s| s.available? }
end

#available_servers_in_role(role) ⇒ Object 



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# File 'lib/capistrano/elobuff/ec2/compute.rb', line 37

def available_servers_in_role(role)
  available_servers.select {|s| s.roles.include? role }
end

#available_servers_in_zone(zone) ⇒ Object 



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# File 'lib/capistrano/elobuff/ec2/compute.rb', line 41

def available_servers_in_zone(zone)
  available_servers.select {|s| s.zone == zone }
end

#connection ⇒ Object 



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# File 'lib/capistrano/elobuff/ec2/compute.rb', line 13

def connection
  @connection ||= Fog::Compute.new provider: "AWS", aws_access_key_id: @access_key_id, aws_secret_access_key: @secret_access_key
end

#create_server(ami, type, security_groups, availability_zone, name, roles) ⇒ Object 



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# File 'lib/capistrano/elobuff/ec2/compute.rb', line 45

def create_server(ami, type, security_groups, availability_zone, name, roles)
  puts "Creating server"
  server = connection.servers.create(
    image_id: ami,
    flavor_id: type,
    groups: security_groups,
    availability_zone: availability_zone,
    tags: { "Name" => name, "#{@application}" => roles })
  server.wait_for { ready? }
  Server.new(server, @application)
end

#find_server(id) ⇒ Object 



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# File 'lib/capistrano/elobuff/ec2/compute.rb', line 21

def find_server(id)
  servers.select {|s| (s.id == id) || (s.name == id) || (s.address == id) }.first || die("Could not find server with id, name or address: #{id}")
end

#roles ⇒ Object 



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# File 'lib/capistrano/elobuff/ec2/compute.rb', line 29

def roles
  available_servers.map {|s| s.roles }.flatten.uniq
end

#servers ⇒ Object 



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# File 'lib/capistrano/elobuff/ec2/compute.rb', line 17

def servers
  @servers ||= connection.servers.select {|s| s.tags.keys.include? @application.to_s }.map {|s| Server.new s, @application }
end

#update_server_tags(server) ⇒ Object 



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# File 'lib/capistrano/elobuff/ec2/compute.rb', line 57

def update_server_tags(server)
  connection.create_tags server.id, server.tags
end

#zones ⇒ Object 



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# File 'lib/capistrano/elobuff/ec2/compute.rb', line 33

def zones
  available_servers.map {|s| s.zone }.flatten.uniq
end