Contents

# frozen_string_literal: true

require 'json'
module Uricp::Strategy
  class RbdSnap
    include Uricp::Strategy::Common
    include Uricp::Strategy::CacheCommon

    def appropriate?
      without_active_cache do
        if from.scheme == 'rbd' &&
           options['rbd_snapshot'].nil? &&
           !rbd_snapshot_spec?(from) &&
           (rbd_cache_name.nil? ||
             !from.path.include?(rbd_cache_name))
          if snap_in_progress?
            debug "#{self.class.name}: detected snapshot in progress"
          else
            return proposal unless sequence_complete?
          end
        end
      end
      debug "#{self.class.name}: not appropriate"
      false
    end

    def command
      "rbd snap create --id #{rbd_id} '#{rbd_upload_snapshot(from)}';" \
      "rbd snap protect --id #{rbd_id} '#{rbd_upload_snapshot(from)}';" \
    end

    def proposal
      @proposed_options = options.dup
      @proposed_options['from_uri'] = rbd_uri(rbd_upload_snapshot(from))
      if options['rbd_cache_target']
        @proposed_options['to_uri'] = options['rbd_cache_target']
        @proposed_options['rbd_cache_target'] = to
      else
        @proposed_options['rbd_snapshot'] = rbd_upload_snapshot(from) unless to.scheme == 'rbd'
      end
      self
    end

    def rbd_upload_snapshot(uri)
      "#{rbd_image_spec(uri)}@#{rbd_snapshot_name}"
    end

    def snap_in_progress?
      return false if dry_run?
      snap_check(rbd_image_spec(from), rbd_snapshot_name)
    end
  end
end

Version data entries

8 entries across 8 versions & 1 rubygems

Version	Path
uricp-0.0.37	lib/uricp/strategy/rbd_snap.rb
uricp-0.0.36	lib/uricp/strategy/rbd_snap.rb
uricp-0.0.35	lib/uricp/strategy/rbd_snap.rb
uricp-0.0.34	lib/uricp/strategy/rbd_snap.rb
uricp-0.0.32	lib/uricp/strategy/rbd_snap.rb
uricp-0.0.31	lib/uricp/strategy/rbd_snap.rb
uricp-0.0.30	lib/uricp/strategy/rbd_snap.rb
uricp-0.0.29	lib/uricp/strategy/rbd_snap.rb