Files
kamal/lib/mrsk/configuration.rb
David Heinemeier Hansson f7f61f697f First
2023-01-07 15:32:25 +01:00

56 lines
1.4 KiB
Ruby

class Mrsk::Configuration
attr_accessor :service, :image, :servers, :env, :ssh_user
def self.load_file(file)
if file.exist?
new **YAML.load_file(file).symbolize_keys!
else
raise "Configuration file not found in #{file}"
end
end
def initialize(service:, image:, servers:, env: {}, ssh_user: "root")
@service, @image, @servers, @env, @ssh_user = service, image, servers, env, ssh_user
end
def servers
ENV["SERVERS"] || @servers
end
def version
@version ||= ENV["VERSION"] || `git rev-parse HEAD`.strip
end
def image_with_version
"#{image}:#{version}"
end
def service_with_version
"#{service}-#{version}"
end
def envs
parameterize "-e", \
{ "RAILS_MASTER_KEY" => master_key }.merge(env)
end
def labels
parameterize "--label", \
"service" => service,
"traefik.http.routers.#{service}.rule" => "'PathPrefix(`/`)'",
"traefik.http.services.#{service}.loadbalancer.healthcheck.path" => "/up",
"traefik.http.services.#{service}.loadbalancer.healthcheck.interval" => "1s",
"traefik.http.middlewares.#{service}.retry.attempts" => "3",
"traefik.http.middlewares.#{service}.retry.initialinterval" => "500ms"
end
private
def parameterize(param, hash)
hash.collect { |k, v| "#{param} #{k}=#{v}" }.join(" ")
end
def master_key
ENV["RAILS_MASTER_KEY"] || File.read(Rails.root.join("config/master.key"))
end
end