feat: add colors on mermaid graph

src/Terrabuild/Core/Build.fs

@@ -169,7 +169,7 @@ let run (options: ConfigOptions.Options) (cache: Cache.ICache) (api: Contracts.I
         let cacheEntryId = GraphDef.buildCacheKey node
 
         let projectDirectory =
-            match node.Project with
+            match node.ProjectDir with
             | FS.Directory projectDirectory -> projectDirectory
             | FS.File projectFile -> projectFile |> FS.parentDirectory |> Option.get
             | _ -> "."
@@ -200,7 +200,7 @@ let run (options: ConfigOptions.Options) (cache: Cache.ICache) (api: Contracts.I
             let successful = lastStatusCode = 0
             let endedAt = DateTime.UtcNow
             let summary =
-                { Cache.TargetSummary.Project = node.Project
+                { Cache.TargetSummary.Project = node.ProjectDir
                   Cache.TargetSummary.Target = node.Target
                   Cache.TargetSummary.Operations = [ stepLogs |> List.ofSeq ]
                   Cache.TargetSummary.Outputs = outputs
@@ -213,9 +213,9 @@ let run (options: ConfigOptions.Options) (cache: Cache.ICache) (api: Contracts.I
             notification.NodeUploading node
 
             // create an archive with new files
-            Log.Debug("{NodeId}: Building '{Project}/{Target}' with {Hash}", node.Id, node.Project, node.Target, node.TargetHash)
+            Log.Debug("{NodeId}: Building '{Project}/{Target}' with {Hash}", node.Id, node.ProjectDir, node.Target, node.TargetHash)
             let files = cacheEntry.Complete summary
-            api |> Option.iter (fun api -> api.AddArtifact node.Project node.Target node.ProjectHash node.TargetHash files successful)
+            api |> Option.iter (fun api -> api.AddArtifact node.ProjectDir node.Target node.ProjectHash node.TargetHash files successful)
 
             match lastStatusCode with
             | 0 -> TaskStatus.Success endedAt
@@ -237,7 +237,7 @@ let run (options: ConfigOptions.Options) (cache: Cache.ICache) (api: Contracts.I
                     notification.NodeDownloading node
                     match cache.TryGetSummary allowRemoteCache cacheEntryId with
                     | Some summary ->
-                        Log.Debug("{NodeId} restoring '{Project}/{Target}' from {Hash}", node.Id, node.Project, node.Target, node.TargetHash)
+                        Log.Debug("{NodeId} restoring '{Project}/{Target}' from {Hash}", node.Id, node.ProjectDir, node.Target, node.TargetHash)
                         match summary.Outputs with
                         | Some outputs ->
                             let files = IO.enumerateFiles outputs
@@ -253,7 +253,7 @@ let run (options: ConfigOptions.Options) (cache: Cache.ICache) (api: Contracts.I
                     let restorable = Restorable(callback, dependencies)
                     restorables.TryAdd(node.Id, restorable) |> ignore
                 else
-                    Log.Debug("{NodeId} skipping restore '{Project}/{Target}' from {Hash}", node.Id, node.Project, node.Target, node.TargetHash)
+                    Log.Debug("{NodeId} skipping restore '{Project}/{Target}' from {Hash}", node.Id, node.ProjectDir, node.Target, node.TargetHash)
                 if summary.IsSuccessful then TaskStatus.Success summary.EndedAt
                 else TaskStatus.Failure (summary.EndedAt, $"Restored node {node.Id} with a build in failure state")
             | _ ->
@@ -353,7 +353,7 @@ let run (options: ConfigOptions.Options) (cache: Cache.ICache) (api: Contracts.I
             | true, (request, status) ->
                 { NodeInfo.Request = request
                   NodeInfo.Status = status
-                  NodeInfo.Project = node.Project
+                  NodeInfo.Project = node.ProjectDir
                   NodeInfo.Target = node.Target
                   NodeInfo.ProjectHash = node.ProjectHash
                   NodeInfo.TargetHash = node.TargetHash } |> Some
@@ -401,7 +401,7 @@ let loadSummary (options: ConfigOptions.Options) (cache: Cache.ICache) (graph: G
 
                 { NodeInfo.Request = TaskRequest.Restore
                   NodeInfo.Status = status
-                  NodeInfo.Project = node.Project
+                  NodeInfo.Project = node.ProjectDir
                   NodeInfo.Target = node.Target
                   NodeInfo.ProjectHash = node.ProjectHash
                   NodeInfo.TargetHash = node.TargetHash } |> Some

src/Terrabuild/Core/Builder.fs

@@ -126,9 +126,10 @@ let build (options: ConfigOptions.Options) (configuration: Configuration.Workspa
 
                 let node =
                     { Node.Id = nodeId
-                      Node.Label = $"{targetName} {projectConfig.Name}"
+                      Node.Label = $"{targetName} {projectConfig.Directory}"
 
-                      Node.Project = projectConfig.Name
+                      Node.ProjectId = projectConfig.Id
+                      Node.ProjectDir = projectConfig.Directory
                       Node.Target = targetName
                       Node.ConfigurationTarget = target
                       Node.Operations = ops

src/Terrabuild/Core/Configuration.fs

@@ -39,7 +39,7 @@ type Target = {
 [<RequireQualifiedAccess>]
 type Project = {
     Id: string option
-    Name: string
+    Directory: string
     Hash: string
     Dependencies: string set
     Files: string set
@@ -569,7 +569,7 @@ let private finalizeProject projectDir evaluationContext (projectDef: LoadedProj
     let projectDependencies = projectDependencies.Keys |> Seq.map String.toLower |> Set.ofSeq
 
     { Project.Id = projectDef.Id
-      Project.Name = projectDir
+      Project.Directory = projectDir
       Project.Hash = projectHash
       Project.Dependencies = projectDependencies
       Project.Files = files
@@ -660,7 +660,7 @@ let read (options: ConfigOptions.Options) =
                             // build task & code & notify
                             let dependsOnProjects = 
                                 awaitedProjectSignals
-                                |> Seq.map (fun projectDependency -> projectDependency.Value.Name, projectDependency.Value)
+                                |> Seq.map (fun projectDependency -> projectDependency.Value.Directory, projectDependency.Value)
                                 |> Map.ofSeq
 
                             let project = finalizeProject projectDir evaluationContext loadedProject dependsOnProjects

src/Terrabuild/Core/GraphDef.fs

@@ -16,7 +16,8 @@ type Node = {
     Id: string
     Label: string
 
-    Project: string
+    ProjectId: string option
+    ProjectDir: string
     Target: string
     ConfigurationTarget: Configuration.Target
 

src/Terrabuild/Core/Mermaid.fs

@@ -1,12 +1,28 @@
 module Mermaid
 open GraphDef
+open System
 
 
 
 type GetStatus = Node -> string
 
 type GetOrigin = Node -> Build.TaskRequest option
 
+
+let scaleToPastel (value: int) : int =
+    // Map from [0, 255] to [160, 240]
+    160 + (value * (240 - 160) / 255)
+
+let pastelColorFromHash (md5hash: string) : string =
+    if md5hash.Length < 6 then
+        invalidArg "md5hash" "MD5 hash string must be at least 6 characters long"
+
+    let r = Convert.ToInt32(md5hash.Substring(0, 2), 16) |> scaleToPastel
+    let g = Convert.ToInt32(md5hash.Substring(2, 2), 16) |> scaleToPastel
+    let b = Convert.ToInt32(md5hash.Substring(4, 2), 16) |> scaleToPastel
+
+    $"#{r:X2}{g:X2}{b:X2}"
+
 let render (getStatus: GetStatus option) (getOrigin: GetOrigin option) (graph: Graph) =
     let mermaid = [
         "flowchart TD"
@@ -20,7 +36,11 @@ let render (getStatus: GetStatus option) (getOrigin: GetOrigin option) (graph: G
                 |> Option.map (fun getNodeStatus -> getNodeStatus node)
                 |> Option.defaultValue ""
 
-            $"{node.Id}(\"<b>{node.Target}</b> {status}\n{node.Project}\")"
+            let nodeTitle =
+                match node.ProjectId with
+                | None -> node.Target
+                | Some projectId -> $"{node.Target} {projectId}"
+            $"{node.Id}(\"<b>{nodeTitle}</b> {status}\n{node.ProjectDir}\")"
 
         for (KeyValue(_, node)) in graph.Nodes do
             for dependency in node.Dependencies do
@@ -35,6 +55,8 @@ let render (getStatus: GetStatus option) (getOrigin: GetOrigin option) (graph: G
             | Some Build.TaskRequest.Build -> $"class {node.Id} build"
             | Some Build.TaskRequest.Restore -> $"class {node.Id} restore"
             | _ -> $"class {node.Id} ignore"
+            let color = node.ProjectDir |> Hash.md5 |> pastelColorFromHash 
+            $"style {node.Id} fill:{color}"
     ]
 
     mermaid

src/Terrabuild/Core/Notification.fs

@@ -65,7 +65,7 @@ type BuildNotification() =
                 return! messageLoop ()
 
             | PrinterProtocol.NodeCompleted (node, status, success) ->
-                let label = $"{node.Label} {node.Project}"
+                let label = $"{node.Label} {node.ProjectDir}"
                 renderer.Complete node.TargetHash label success (status = Build.TaskRequest.Restore)
                 scheduleUpdate ()
                 return! messageLoop ()

tests/cluster-layers/results/terrabuild-debug.build-graph.json

@@ -3,7 +3,7 @@
     "a:build": {
       "id": "a:build",
       "label": "build A",
-      "project": "A",
+      "projectDir": "A",
       "target": "build",
       "configurationTarget": {
         "hash": "34215119A4D68DB3B1137C90704FFA326799B219AE86B2DE93A123F6FEDCF68B",
@@ -84,7 +84,7 @@
     "b:build": {
       "id": "b:build",
       "label": "build B",
-      "project": "B",
+      "projectDir": "B",
       "target": "build",
       "configurationTarget": {
         "hash": "34215119A4D68DB3B1137C90704FFA326799B219AE86B2DE93A123F6FEDCF68B",
@@ -165,7 +165,7 @@
     "c:build": {
       "id": "c:build",
       "label": "build C",
-      "project": "C",
+      "projectDir": "C",
       "target": "build",
       "configurationTarget": {
         "hash": "E970FB6D3CCDCEE5AB6C4BAAB40D38439BDA75E6635D1B81F9A9DF7AFA6286C4",
@@ -246,7 +246,7 @@
     "d:build": {
       "id": "d:build",
       "label": "build D",
-      "project": "D",
+      "projectDir": "D",
       "target": "build",
       "configurationTarget": {
         "hash": "F9B0B5708DFC227889BB22353D3EC4D1C1A57C07439470229E286568F031D11A",
@@ -307,7 +307,7 @@
     "e:build": {
       "id": "e:build",
       "label": "build E",
-      "project": "E",
+      "projectDir": "E",
       "target": "build",
       "configurationTarget": {
         "hash": "F9B0B5708DFC227889BB22353D3EC4D1C1A57C07439470229E286568F031D11A",
@@ -368,7 +368,7 @@
     "f:build": {
       "id": "f:build",
       "label": "build F",
-      "project": "F",
+      "projectDir": "F",
       "target": "build",
       "configurationTarget": {
         "hash": "8F9422FFE2A136EC80F0C31D42C172CA05826D7DAFBB18BBCE27B1719A82AE1E",
@@ -427,7 +427,7 @@
     "g:build": {
       "id": "g:build",
       "label": "build G",
-      "project": "G",
+      "projectDir": "G",
       "target": "build",
       "configurationTarget": {
         "hash": "8F9422FFE2A136EC80F0C31D42C172CA05826D7DAFBB18BBCE27B1719A82AE1E",

tests/cluster-layers/results/terrabuild-debug.build-graph.mermaid

@@ -17,16 +17,23 @@ F")
 g:build("<b>build</b> 
 G")
 class a:build ignore
+style a:build fill:#C7DDBE
 class b:build ignore
+style b:build fill:#D1BDE3
 c:build --> a:build
 c:build --> b:build
 class c:build ignore
+style c:build fill:#A4BEED
 d:build --> c:build
 class d:build ignore
+style d:build fill:#EDAAE8
 e:build --> c:build
 class e:build ignore
+style e:build fill:#B2B3D2
 f:build --> d:build
 f:build --> e:build
 class f:build ignore
+style f:build fill:#C8A1A7
 g:build --> c:build
-class g:build ignore
+class g:build ignore
+style g:build fill:#E5E0AC

tests/cluster-layers/results/terrabuild-debug.config.json

@@ -15,7 +15,7 @@
   },
   "projects": {
     "a": {
-      "name": "A",
+      "directory": "A",
       "hash": "CE24C7D4BBCA45AE8BB4AACDA925C35DD828536AFAF55FB15271EB0F1FA52EAA",
       "dependencies": [],
       "files": [
@@ -72,7 +72,7 @@
       "labels": []
     },
     "b": {
-      "name": "B",
+      "directory": "B",
       "hash": "C54887690548A58E1E6220C83D97E3239943F79A4C51A0DFC7087DE52F57577A",
       "dependencies": [],
       "files": [
@@ -129,7 +129,7 @@
       "labels": []
     },
     "c": {
-      "name": "C",
+      "directory": "C",
       "hash": "76C8F07B90D3785DD412BAF3BBCBD4B054084FA4B952DFE658A8073B15BA19C1",
       "dependencies": [
         "a",
@@ -184,7 +184,7 @@
       "labels": []
     },
     "d": {
-      "name": "D",
+      "directory": "D",
       "hash": "81597327F78177AB91ED77989DF8373BF7138BDE82CB6D59BA1C5BD9994BE255",
       "dependencies": [
         "c"
@@ -227,7 +227,7 @@
       "labels": []
     },
     "e": {
-      "name": "E",
+      "directory": "E",
       "hash": "D9ADE2A1821B9D2BBBB534435F6FF3CA40296AD7BFEED2094FD0460B9DCCB98C",
       "dependencies": [
         "c"
@@ -270,7 +270,7 @@
       "labels": []
     },
     "f": {
-      "name": "F",
+      "directory": "F",
       "hash": "84D7C7DEABFE38F3471D9D74526A46F2344BA0C7A641CFDA3C43E16DC10DCB3D",
       "dependencies": [
         "d",
@@ -309,7 +309,7 @@
       "labels": []
     },
     "g": {
-      "name": "G",
+      "directory": "G",
       "hash": "03ABE717383A7C29E355225594E80D4C9F531BE8F0C5DBAA9C3F7E43C8847761",
       "dependencies": [
         "c"

tests/multirefs/results/terrabuild-debug.build-graph.json

@@ -3,7 +3,7 @@
     "a:build": {
       "id": "a:build",
       "label": "build A",
-      "project": "A",
+      "projectDir": "A",
       "target": "build",
       "configurationTarget": {
         "hash": "8B56DAA76BB451252D58A9AFF5D2E5A77D0568D8681204549E53A422C9FBDBF0",
@@ -54,7 +54,7 @@
     "b:build": {
       "id": "b:build",
       "label": "build B",
-      "project": "B",
+      "projectDir": "B",
       "target": "build",
       "configurationTarget": {
         "hash": "8B56DAA76BB451252D58A9AFF5D2E5A77D0568D8681204549E53A422C9FBDBF0",
@@ -104,7 +104,7 @@
     "c:build": {
       "id": "c:build",
       "label": "build C",
-      "project": "C",
+      "projectDir": "C",
       "target": "build",
       "configurationTarget": {
         "hash": "8B56DAA76BB451252D58A9AFF5D2E5A77D0568D8681204549E53A422C9FBDBF0",

tests/multirefs/results/terrabuild-debug.build-graph.mermaid

@@ -11,6 +11,9 @@ C")
 a:build --> b:build
 a:build --> c:build
 class a:build ignore
+style a:build fill:#C7DDBE
 b:build --> c:build
 class b:build ignore
-class c:build ignore
+style b:build fill:#D1BDE3
+class c:build ignore
+style c:build fill:#A4BEED

tests/multirefs/results/terrabuild-debug.config.json

@@ -21,7 +21,7 @@
   },
   "projects": {
     "a": {
-      "name": "A",
+      "directory": "A",
       "hash": "A7A0CD9E85C9D7AA20838EBF01C91953701319318395EC276A797D66F9AB084D",
       "dependencies": [
         "b",
@@ -59,7 +59,7 @@
       "labels": []
     },
     "b": {
-      "name": "B",
+      "directory": "B",
       "hash": "93C4F757BAF84BE922E6F30EBA5A726573E0028C76082652B062DD5EE775EB39",
       "dependencies": [
         "c"
@@ -96,7 +96,7 @@
       "labels": []
     },
     "c": {
-      "name": "C",
+      "directory": "C",
       "hash": "D2FFA5DCF08258EA5851EDC06944F88D7C19865C3DF17E09693D7F640B4514FC",
       "dependencies": [],
       "files": [],