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panel/app/models/deploy_distributed_press.rb

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# frozen_string_literal: true
require 'distributed_press/v1/client/site'
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require 'njalla/v1'
# Soportar Distributed Press APIv1
#
# Usa tokens de publicación efímeros para todas las acciones.
#
# Al ser creado, genera el sitio en la instancia de Distributed Press
# configurada y almacena el ID.
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#
# Al ser publicado, envía los archivos en un tarball y actualiza la
# información.
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class DeployDistributedPress < Deploy
store :values, accessors: %i[hostname remote_site_id remote_info], coder: JSON
before_create :create_remote_site!, :create_njalla_records!
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before_destroy :delete_remote_site!, :delete_njalla_records!
DEPENDENCIES = %i[deploy_local]
# Actualiza la información y luego envía los cambios
#
# @param :output [Bool]
# @return [Bool]
def deploy
status = false
log = []
time_start
create_remote_site! if remote_site_id.blank?
create_njalla_records!
save
if remote_site_id.blank?
raise DeployJob::DeployException, 'El sitio no se creó en Distributed Press'
end
if create_njalla_records? && remote_info[:njalla].blank?
raise DeployJob::DeployException, 'No se pudieron crear los registros necesarios en Njalla'
end
site_client.tap do |c|
stdout = Thread.new(publisher.logger_out) do |io|
until io.eof?
line = io.gets
puts line if output
log << line
end
end
status = c.publish(publishing_site, deploy_local.destination)
if status
self.remote_info[:distributed_press] = c.show(publishing_site).to_h
save
end
publisher.logger.close
stdout.join
end
time_stop
create_stat! status, log.join
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status
end
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def limit; end
def size
deploy_local.size
end
def destination; end
# Devuelve las URLs de todos los protocolos
def urls
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protocol_urls + gateway_urls
end
private
def gateway_urls
remote_info.dig(:distributed_press, :links).values.map do |protocol|
[ protocol[:link], protocol[:gateway] ]
end.flatten.compact.select do |link|
link.include? '://'
end
end
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def protocol_urls
remote_info.dig(:distributed_press, :protocols).select do |_, enabled|
enabled
end.map do |protocol, _|
"#{protocol}://#{site.hostname}"
end
end
# El cliente de la API
#
# TODO: cuando soportemos más, tiene que haber una relación entre
# DeployDistributedPress y DistributedPressPublisher.
#
# @return [DistributedPressPublisher]
def publisher
@publisher ||= DistributedPressPublisher.last
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end
# El cliente para actualizar el sitio
#
# @return [DistributedPress::V1::Client::Site]
def site_client
DistributedPress::V1::Client::Site.new(publisher.client)
end
# Genera el esquema de datos para poder publicar el sitio
#
# @return [DistributedPress::V1::Schemas::PublishingSite]
def publishing_site
DistributedPress::V1::Schemas::PublishingSite.new.call(id: remote_site_id)
end
# Genera el esquema de datos para crear el sitio
#
# @return [DistributedPressPublisher::V1::Schemas::NewSite]
def create_site
DistributedPress::V1::Schemas::NewSite.new.call(domain: hostname, protocols: { http: true, ipfs: true, hyper: true })
end
# Crea el sitio en la instancia con el hostname especificado
#
# @return [nil]
def create_remote_site!
created_site = site_client.create(create_site)
self.remote_site_id = created_site[:id]
self.remote_info ||= {}
self.remote_info[:distributed_press] = created_site.to_h
nil
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rescue DistributedPress::V1::Error => e
ExceptionNotifier.notify_exception(e, data: { site: site.name })
nil
end
# Crea los registros en Njalla
#
# XXX: Esto depende de nuestro DNS actual, cuando lo migremos hay
# que eliminarlo.
#
# @return [nil]
def create_njalla_records!
return unless create_njalla_records?
self.remote_info ||= {}
self.remote_info[:njalla] ||= {}
self.remote_info[:njalla][:a] ||= njalla.add_record(name: site.name, type: 'CNAME', content: "#{Site.domain}.").to_h
self.remote_info[:njalla][:cname] ||= njalla.add_record(name: "www.#{site.name}", type: 'CNAME', content: "#{Site.domain}.").to_h
self.remote_info[:njalla][:ns] ||= njalla.add_record(name: "_dnslink.#{site.name}", type: 'NS', content: "#{publisher.hostname}.").to_h
nil
rescue HTTParty::Error => e
ExceptionNotifier.notify_exception(e, data: { site: site.name })
self.remote_info.delete :njalla
ensure
nil
end
# Registra lo que sucedió
#
# @param status [Bool]
# @param log [String]
# @return [nil]
def create_stat!(status, log)
build_stats.create action: publisher.to_s,log: log, seconds: time_spent_in_seconds, bytes: size, status: status
nil
end
def delete_remote_site!
site_client.delete(publishing_site)
nil
rescue DistributedPress::V1::Error => e
ExceptionNotifier.notify_exception(e, data: { site: site.name })
nil
end
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def delete_njalla_records!
return unless create_njalla_records?
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%w[a ns cname].each do |type|
next if (id = remote_info.dig('njalla', type, 'id')).blank?
njalla.remove_record(id: id.to_i)
end
end
# Actualizar registros en Njalla
#
# @return [Njalla::V1::Domain]
def njalla
@njalla ||=
begin
client = Njalla::V1::Client.new(token: Rails.application.credentials.njalla)
Njalla::V1::Domain.new(domain: Site.domain, client: client)
end
end
# Detecta si tenemos que crear registros en Njalla
def create_njalla_records?
!site.name.end_with?('.')
end
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end