Prefer parent profile values over child profile values.

- Fixes: #1672

Signed-off-by: Jonathon Anderson <janderson@ciq.com>

CHANGELOG.md

@@ -21,6 +21,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Show each overlay only once, even when both site and distribution versions exist. #1675
 - Remove a redundant "Building image" log message after image exec. #1694
 - Don't populate NetDevs[].Type or NetDevs[].Netmask during upgrade. #1661
+- Prefer parent profile values over child profile values. #1672
 
 ## v4.6.0rc1, 2025-01-29
 

internal/pkg/node/mergo.go

@@ -8,57 +8,64 @@ import (
 	"dario.cat/mergo"
 	"github.com/mohae/deepcopy"
 
-	"github.com/warewulf/warewulf/internal/pkg/util"
 	"github.com/warewulf/warewulf/internal/pkg/wwlog"
 )
 
-// getNodeProfiles retrieves a list of profile IDs associated with a specific node ID.
-// It retrives nested profiles and ensures the list is cleaned of duplicates
-// and negations (denoted with a '~' prefix).
+// getNodeProfiles returns a deduplicated list of profile identifiers associated with the given node.
+// It expands nested profiles from the node's profile list and then cleans the result by removing
+// duplicate entries and any profiles prefixed with '~' (which denote negated profiles).
+//
+// If the specified node is not found in the configuration, the function returns an empty slice.
 //
 // Parameters:
-// - id: The identifier of the node whose profiles are to be retrieved.
+//
+//	id - the identifier of the node whose profiles are to be retrieved.
 //
 // Returns:
-// - A slice of profile IDs associated with the given node ID.
+//
+//	A slice of profile IDs associated with the given node, with nested profiles expanded and cleaned.
 func (config *NodesYaml) getNodeProfiles(id string) (profiles []string) {
-	if node, ok := config.Nodes[id]; ok {
-		for _, profileID := range node.Profiles {
-			profiles = cleanList(append(profiles, profileID))
-			if !strings.HasPrefix(profileID, "~") {
-				profiles = config.appendProfileProfiles(profiles, profileID)
-			}
-		}
-	}
-	return cleanList(profiles)
-}
+	visited := make(map[string]bool)
 
-// appendProfileProfiles recursively appends profile IDs associated with a given profile ID
-// to the provided list of profile IDs. It recursively processes nested profiles and ensures
-// the list is cleaned of duplicates and negations (denoted with a '~' prefix).
-//
-// Profiles are only added if they do not already exist in the list.
-//
-// Parameters:
-// - profiles: A slice of strings representing the current list of profiles by ID.
-// - id: The identifier of the profile whose associated profiles are to be appended.
-//
-// Returns:
-//   - A slice of strings containing the updated list of profile IDs.
-func (config *NodesYaml) appendProfileProfiles(profiles []string, id string) []string {
-	if profile, ok := config.NodeProfiles[id]; ok {
-		for _, subID := range profile.Profiles {
-			if !util.InSlice(profiles, subID) {
-				profiles = cleanList(append(profiles, subID))
-				if !strings.HasPrefix(subID, "~") {
-					profiles = config.appendProfileProfiles(profiles, subID)
-				}
-			}
-		}
+	if node, ok := config.Nodes[id]; ok {
+		profiles = cleanList(config.getProfilesProfiles(node.Profiles, visited))
 	}
 	return profiles
 }
 
+// getProfilesProfiles recursively expands a list of profile identifiers by processing their nested profiles.
+// For each profile ID in the input slice:
+//   - If the profile ID begins with '~', it is treated as a negation and appended directly to the output.
+//   - If the profile ID has already been processed (as tracked by the visited map), it is skipped to prevent duplication and infinite recursion.
+//   - Otherwise, the profile ID is marked as visited. If a corresponding profile exists in the configuration's NodeProfiles,
+//     its nested profiles are recursively processed and appended to the output before appending the profile ID itself.
+//
+// Parameters:
+//
+//	input   - A slice of profile IDs to be expanded.
+//	visited - A map tracking profile IDs that have already been processed to avoid duplicates and cycles.
+//
+// Returns:
+//
+//	A slice of profile IDs that includes the original and all recursively expanded nested profiles.
+func (config *NodesYaml) getProfilesProfiles(input []string, visited map[string]bool) (output []string) {
+	for _, id := range input {
+		if strings.HasPrefix(id, "~") {
+			output = append(output, id)
+			continue
+		} else if visited[id] {
+			continue
+		} else {
+			visited[id] = true
+			if profile, ok := config.NodeProfiles[id]; ok {
+				output = append(output, config.getProfilesProfiles(profile.Profiles, visited)...)
+			}
+			output = append(output, id)
+		}
+	}
+	return output
+}
+
 type Transformer struct{}
 
 func (t Transformer) Transformer(typ reflect.Type) func(dst, src reflect.Value) error {

internal/pkg/node/mergo_test.go

@@ -82,7 +82,7 @@ nodeprofiles:
     profiles:
     - p2`,
 			node:     "n1",
-			profiles: []string{"p1", "p2"},
+			profiles: []string{"p2", "p1"},
 		},
 		"double nested profile": {
 			nodesConf: `
@@ -98,7 +98,25 @@ nodeprofiles:
     profiles:
     - p3`,
 			node:     "n1",
-			profiles: []string{"p1", "p2", "p3"},
+			profiles: []string{"p3", "p2", "p1"},
+		},
+		"double negated profile": {
+			nodesConf: `
+nodes:
+  n1:
+    profiles:
+    - p1
+    - p2
+    - p3
+nodeprofiles:
+  p2:
+    profiles:
+    - ~p1
+  p3:
+    profiles:
+    - ~p1`,
+			node:     "n1",
+			profiles: []string{"p2", "p3"},
 		},
 		"negated nested profile": {
 			nodesConf: `
@@ -106,18 +124,22 @@ nodes:
   n1:
     profiles:
     - p1
+    - p4
 nodeprofiles:
   p1:
     profiles:
     - p2
   p2:
     profiles:
-    - "~p2"
-    - p3`,
+    - p3
+  p3: {}
+  p4:
+    profiles:
+    - ~p2`,
 			node:     "n1",
-			profiles: []string{"p1", "p3"},
+			profiles: []string{"p3", "p1", "p4"},
 		},
-		"cicular nested profile": {
+		"circular nested profile": {
 			nodesConf: `
 nodes:
   n1:
@@ -134,9 +156,9 @@ nodeprofiles:
     profiles:
     - p1`,
 			node:     "n1",
-			profiles: []string{"p1", "p2", "p3"},
+			profiles: []string{"p3", "p2", "p1"},
 		},
-		"cicular nested profile negation": {
+		"circular nested profile negation": {
 			nodesConf: `
 nodes:
   n1:
@@ -154,7 +176,7 @@ nodeprofiles:
     profiles:
     - p1`,
 			node:     "n1",
-			profiles: []string{"p2", "p3", "p1"},
+			profiles: []string{"p3", "p2"},
 		},
 		"repeated nested profile": {
 			nodesConf: `
@@ -175,7 +197,7 @@ nodeprofiles:
     profiles:
     - pa2`,
 			node:     "n1",
-			profiles: []string{"pa1", "pb1", "pb2", "pa2"},
+			profiles: []string{"pa1", "pb2", "pb1"},
 		},
 	}
 
@@ -281,6 +303,24 @@ nodeprofiles:
 			source: "SUPERSEDED",
 			value:  "n1 comment",
 		},
+		"nested profile comments": {
+			nodesConf: `
+nodes:
+  n1:
+    profiles:
+    - p2
+nodeprofiles:
+  p1:
+    comment: p1 comment
+  p2:
+    profiles:
+    - p1
+    comment: p2 comment`,
+			node:   "n1",
+			field:  "Comment",
+			source: "p2",
+			value:  "p2 comment",
+		},
 		"node kernel args": {
 			nodesConf: `
 nodes: