fix: fixed volume referencing to support source output

Signed-off-by: Ben Meier <[email protected]>

internal/command/default.provisioners.yaml

@@ -1 +1,13 @@
-[]
+- uri: template://default-provisioners/volume
+  type: volume
+  class: default
+  state: |
+    name: {{ if .State.name }}{{ .State.name }}{{ else }}{{ uuidv4 }}{{ end }}
+  outputs: |
+    source: {{ .State.name }}
+  volumes: |
+    {{ .State.name }}:
+      name: {{ .State.name }}
+      driver: local
+      labels:
+        dev.score.compose.res.uid: {{ .Uid }}

internal/command/generate.go

@@ -190,6 +190,11 @@ arguments.
 			}
 		}
 
+		sd.State = *currentState
+		if err := sd.Persist(); err != nil {
+			return fmt.Errorf("failed to persist updated state directory: %w", err)
+		}
+
 		raw, _ := yaml.Marshal(superProject)
 
 		v, _ := cmd.Flags().GetString("output")

internal/compose/convert.go

@@ -94,12 +94,9 @@ func ConvertSpec(spec *score.Workload, resources map[string]project.OutputLookup
 					return nil, fmt.Errorf("containers.%s.volumes[%d].path: can't mount named volume with sub path '%s': not supported", containerName, idx, *vol.Path)
 				}
 
-				// TODO: deprecate this - volume should be linked directly
 				resolvedVolumeSource, err := ctx.Substitute(vol.Source)
 				if err != nil {
 					return nil, fmt.Errorf("containers.%s.volumes[%d].source: %w", containerName, idx, err)
-				} else if resolvedVolumeSource != vol.Source {
-					slog.Warn(fmt.Sprintf("containers.%s.volumes[%d].source: interpolation will be deprecated in the future", containerName, idx))
 				}
 
 				if res, ok := spec.Resources[resolvedVolumeSource]; !ok {
@@ -108,6 +105,12 @@ func ConvertSpec(spec *score.Workload, resources map[string]project.OutputLookup
 					return nil, fmt.Errorf("containers.%s.volumes[%d].source: resource '%s' is not a volume", containerName, idx, resolvedVolumeSource)
 				}
 
+				if v, err := resources[resolvedVolumeSource]("source"); err != nil {
+					slog.Warn(fmt.Sprintf("containers.%s.volumes[%d].source: failed to find 'source' key in volume resource '%s': %v", containerName, idx, resolvedVolumeSource, err))
+				} else if sv, ok := v.(string); ok {
+					resolvedVolumeSource = sv
+				}
+
 				volumes[idx] = compose.ServiceVolumeConfig{
 					Type:     "volume",
 					Source:   resolvedVolumeSource,