Class: RecordStore::CLI

Inherits:
Thor
  • Object
show all
Defined in:
lib/record_store/cli.rb

Constant Summary collapse

FORMATS = 
%w[file directory]
SKIP_CHECKS = 
'SKIP_DEPLOY_VALIDATIONS'

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ CLI

Returns a new instance of CLI.



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# File 'lib/record_store/cli.rb', line 8

def initialize(*args)
  super
  RecordStore.config_path = options.fetch('config', "#{Dir.pwd}/config.yml")
end

Class Method Details

.exit_on_failure? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/record_store/cli.rb', line 14

def exit_on_failure?
  true
end

Instance Method Details

#apply ⇒ Object 



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# File 'lib/record_store/cli.rb', line 125

def apply
  zones = Zone.modified

  if zones.empty?
    puts "No changes to sync"
    exit
  end

  invalid_zones = zones.select(&:invalid?)
  unless invalid_zones.empty?
    error_message = invalid_zones
      .map { |z| "Attempted to apply invalid zone: #{z.name}: #{z.errors.full_messages.join(',')}" }
      .join("\n")

    abort(error_message)
  end

  zones.each do |zone|
    changesets = zone.build_changesets
    changesets.each(&:apply)
  end

  puts "All zone changes deployed"
end

#assert_empty_diff ⇒ Object 



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# File 'lib/record_store/cli.rb', line 216

def assert_empty_diff
  zones = Zone.modified.map(&:name)

  unless zones.empty?
    abort("The following zones have diverged: #{zones.join(', ')}")
  end
end

#diff(*zones) ⇒ Object 



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# File 'lib/record_store/cli.rb', line 67

def diff(*zones)
  puts "Diffing #{zones.any? ? zones.count : Zone.defined.count} zone(s)"

  all = options.fetch('all')

  Zone.each do |name, zone|
    next unless zones.empty? || zones.include?(name)

    changesets = zone.build_changesets(all: all)

    if !options.fetch('verbose') && changesets.all?(&:empty?)
      print_and_flush('.')
      next
    else
      puts "\n"
      puts "Zone: #{name}"
    end

    changesets.each do |changeset|
      next if !options.fetch('verbose') && changeset.changes.empty?

      puts '-' * 20
      puts "Provider: #{changeset.provider}"

      if changeset.additions.any?
        puts "Add:"
        changeset.additions.map(&:record).each do |record|
          puts " - #{record}"
        end
      end

      if changeset.removals.any?
        puts "Remove:"
        changeset.removals.map(&:record).each do |record|
          puts " - #{record}"
        end
      end

      if changeset.updates.any?
        puts "Update:"
        changeset.updates.map(&:record).each do |record|
          puts " - #{record}"
        end
      end

      next unless options.fetch('verbose')

      puts "Unchanged:"
      changeset.unchanged.each do |record|
        puts " - #{record}"
      end
    end
    puts '=' * 20
  end
  puts "\n"
end

#download ⇒ Object 



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# File 'lib/record_store/cli.rb', line 154

def download
  name = options.fetch('name')
  abort('Please omit the period at the end of the zone') if name.ends_with?('.')
  abort('Zone with this name already exists in zones/') if File.exist?("#{RecordStore.zones_path}/#{name}.yml")

  provider = options.fetch('provider', Provider.provider_for(name))
  if provider.nil?
    puts "Could not find valid provider from #{name} SOA record"
    provider = ask("Please enter the provider in which #{name} exists")
  else
    puts "Identified #{provider} as the DNS provider"
  end

  puts "Downloading records for #{name}"
  Zone.download(name, provider)
  puts "Records have been downloaded & can be found in zones/#{name}.yml"
end

#freeze ⇒ Object 



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# File 'lib/record_store/cli.rb', line 29

def freeze
  Zone.each do |_, zone|
    zone.providers.each do |provider|
      provider.freeze_zone(zone.unrooted_name) if provider.freezable?
    end
  end
end

#info ⇒ Object 



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# File 'lib/record_store/cli.rb', line 39

def info
  Zone.each do |name, zone|
    puts "\n"
    puts "Zone: #{name}"
    puts "Providers:"
    zone.config.providers.each { |p| puts "- #{p}" }
    if (delegation = zone.fetch_authority)
      puts "Authoritative nameservers:"
      delegation.each { |d| puts "- #{d}" }
    else
      $stderr.puts "ERROR: Unable to determine delegation (#{name})"
    end
  end
end

#list ⇒ Object 



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# File 'lib/record_store/cli.rb', line 56

def list
  Zone.each do |name, zone|
    puts "Zone: #{name}"
    records = options.fetch('all') ? zone.all : zone.records
    records.each(&:log!)
  end
end

#reformat ⇒ Object 



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# File 'lib/record_store/cli.rb', line 174

def reformat
  name = options['name']
  zones = name ? [Zone.find(name)] : Zone.all

  zones.each do |zone|
    puts "Writing #{zone.name}"
    zone.write
  end
end

#secrets ⇒ Object 



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# File 'lib/record_store/cli.rb', line 198

def secrets
  environment = if ENV['PRODUCTION']
    'production'
  elsif ENV['CI']
    'ci'
  else
    'dev'
  end

  secrets = %x(ejson decrypt #{RecordStore.secrets_path.sub(/\.json\z/, ".#{environment}.ejson")})
  if $CHILD_STATUS.success?
    File.write(RecordStore.secrets_path, secrets)
  else
    abort(secrets)
  end
end

#sort ⇒ Object 



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# File 'lib/record_store/cli.rb', line 186

def sort
  name = options.fetch('name')
  abort("Please omit the period at the end of the zone") if name.ends_with?('.')

  yaml = YAML.load_file("#{RecordStore.zones_path}/#{name}.yml")
  yaml.fetch(name).fetch('records').sort_by! do |r|
    [r.fetch('fqdn'), r.fetch('type'), r['nsdname'] || r['address']]
  end
  File.write("#{RecordStore.zones_path}/#{name}.yml", yaml.deep_stringify_keys.to_yaml.gsub("---\n", ''))
end

#thaw ⇒ Object 



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# File 'lib/record_store/cli.rb', line 20

def thaw
  Zone.each do |_, zone|
    zone.providers.each do |provider|
      provider.thaw_zone(zone.unrooted_name) if provider.thawable?
    end
  end
end

#validate_authority(*zones) ⇒ Object 



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# File 'lib/record_store/cli.rb', line 226

def validate_authority(*zones)
  verbose = options.fetch('verbose')

  Zone.each do |name, zone|
    next unless zones.empty? || zones.include?(name)

    authority = zone.fetch_authority

    delegation = Hash.new { |h, k| h[k] = [] }
    authority.each do |ns|
      delegation[Provider.provider_for(ns)] << ns
    end

    delegated = delegation.keys.sort
    configured = zone.config.providers.sort

    ok = configured & delegated
    missing = configured - delegated
    unconfigured = delegated - configured

    next if !verbose && missing.empty? && unconfigured.empty?

    puts "\n"
    puts "Zone: #{name}"

    if verbose
      ok.each do |provider|
        puts "- #{provider}:"
        delegation[provider].each do |ns|
          puts "  - #{ns.nsdname}"
        end
      end
    end

    missing.each do |provider|
      puts "- #{provider}: authoritative nameservers not found for configured provider"
    end

    unconfigured.each do |provider|
      if provider
        puts "- #{provider}: unexpected authoritative nameservers found"
      else
        puts "- Unknown: unknown authoritative nameservers found"
      end

      delegation[provider].each do |ns|
        puts "  - #{ns.nsdname}"
      end
    end
  end
end

#validate_change_size ⇒ Object 



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# File 'lib/record_store/cli.rb', line 308

def validate_change_size
  zones = Zone.modified

  unless zones.empty?
    removals = zones.select do |zone|
      zone.changeset.removals.size > MAXIMUM_REMOVALS
    end

    unless removals.empty?
      error = +"As a safety measure, you cannot remove more than #{MAXIMUM_REMOVALS} "
      error << 'records at a time per zone. '
      error << "(zones failing this: #{removals.map(&:name).join(', ')})"
      abort(error)
    end
  end
end

#validate_initial_state ⇒ Object 



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# File 'lib/record_store/cli.rb', line 327

def validate_initial_state
  assert_empty_diff
  puts "Deploy will cause no changes, no need to validate initial state"
rescue SystemExit
  if File.exist?(File.expand_path(SKIP_CHECKS, Dir.pwd))
    puts "Found '#{SKIP_CHECKS}', skipping predeploy validations"
  else
    puts "Checkout git SHA #{ENV['LAST_DEPLOYED_SHA']}"
    %x(git checkout #{ENV['LAST_DEPLOYED_SHA']})
    abort("Checkout of old commit failed") unless $CHILD_STATUS.success?

    %x(record-store secrets)
    abort("Decrypt secrets failed") unless $CHILD_STATUS.success?

    %x(record-store assert_empty_diff)
    abort("Dyn status has diverged!") unless $CHILD_STATUS.success?

    puts "Checkout git SHA #{ENV['REVISION']}"
    %x(git checkout #{ENV['REVISION']})
    abort("Checkout of new commit failed") unless $CHILD_STATUS.success?

    %x(record-store secrets)
    abort("Decrypt secrets failed") unless $CHILD_STATUS.success?
  end
end

#validate_records ⇒ Object 



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# File 'lib/record_store/cli.rb', line 279

def validate_records
  invalid_zones = []
  Zone.all.reject(&:valid?).each do |zone|
    invalid_zones << zone.unrooted_name

    puts "#{zone.unrooted_name} definition is not valid:"
    puts zone.errors.full_messages.map { |msg| " - #{msg}" }

    invalid_records = zone.records.reject(&:valid?)
    puts '  Invalid records' unless invalid_records.empty?

    invalid_records.each do |record|
      puts "    #{record}"
      record.errors.messages.each do |field, errors|
        errors.each do |msg|
          puts "      - #{field}: #{msg}"
        end
      end
    end
  end

  if invalid_zones.present?
    abort("The following zones were invalid: #{invalid_zones.join(', ')}")
  else
    puts "All zones have valid definitions."
  end
end