WIP

service/lib/agama/storage/config_builder.rb

@@ -103,12 +103,12 @@ def unlimited_size
 
       def auto_size(outline, paths, snapshots)
         min_fallbacks = remove_paths(outline.min_size_fallback_for, paths)
-        min_size_fallbacks = min_fallbacks.map { |p| volume_builder.for(p).min_size }.sum
-        min = outline.base_min_size + min_size_fallbacks
+        min_size_fallbacks = min_fallbacks.map { |p| volume_builder.for(p).min_size }
+        min = min_size_fallbacks.reduce(outline.base_min_size, &:+)
 
         max_fallbacks = remove_paths(outline.max_size_fallback_for, paths)
-        max_size_fallbacks = max_fallbacks.map { |p| volume_builder.for(p).max_size }.sum
-        max = outline.base_max_size + max_size_fallbacks
+        max_size_fallbacks = max_fallbacks.map { |p| volume_builder.for(p).max_size }
+        max = max_size_fallbacks.reduce(outline.base_max_size, &:+)
 
         if outline.adjust_by_ram?
           min = size_with_ram(min)

service/lib/agama/storage/config_conversions/from_json.rb

@@ -19,6 +19,7 @@
 # To contact SUSE LLC about this file by physical or electronic mail, you may
 # find current contact information at www.suse.com.
 
+require "agama/config"
 require "agama/storage/config_builder"
 require "agama/storage/config_conversions/from_json_conversions/config"
 
@@ -28,11 +29,11 @@ module ConfigConversions
       # Config conversion from JSON hash according to schema.
       class FromJSON
         # @param config_json [Hash]
-        # @param product_config [Agama::Config]
-        def initialize(config_json, product_config:)
+        # @param product_config [Agama::Config, nil]
+        def initialize(config_json, product_config: nil)
           # TODO: Replace product_config param by a ProductDefinition.
           @config_json = config_json
-          @product_config = product_config
+          @product_config = product_config || Agama::Config.new
         end
 
         # Performs the conversion from Hash according to the JSON schema.