Add optional cell annotations field to CellPresence

- Adds properties for a Diego cell rep to be able to provide
arbitrary metadata about the cell

ai-assisted=yes

Author: tcdowney

jobs/rep/spec

@@ -82,6 +82,9 @@ properties:
   diego.rep.optional_placement_tags:
     description: "Array of optional tags used for scheduling Tasks and LRPs"
     default: []
+  diego.rep.cell_annotations:
+    description: "Map of string key-value annotations to attach to the cell presence"
+    default: {}
 
   loggregator.v2_api_port:
     description: "Local metron agent gRPC port"

jobs/rep/templates/rep.json.erb

@@ -96,6 +96,7 @@
     max_concurrent_downloads: p("diego.executor.max_concurrent_downloads"),
     memory_mb: p("diego.executor.memory_capacity_mb").to_s,
     metrics_work_pool_size: p("diego.executor.metrics_work_pool_size"),
+    cell_annotations: p("diego.rep.cell_annotations"),
     optional_placement_tags: p("diego.rep.optional_placement_tags"),
     placement_tags: p("diego.rep.placement_tags"),
     polling_interval: "#{p("diego.rep.polling_interval_in_seconds")}s",

src/code.cloudfoundry.org/auctioneer/auctionrunnerdelegate/auctionrunnerdelegate_test.go

@@ -41,8 +41,8 @@ var _ = Describe("Auction Runner Delegate", func() {
 	Describe("fetching cell reps", func() {
 		Context("when the BSS succeeds", func() {
 			BeforeEach(func() {
-				cellPresence1 := models.NewCellPresence("cell-A", "cell-a.url", "", "zone-1", models.NewCellCapacity(123, 456, 789), []string{}, []string{}, []string{}, []string{}, []string{})
-				cellPresence2 := models.NewCellPresence("cell-B", "cell-b.url", "", "zone-1", models.NewCellCapacity(123, 456, 789), []string{}, []string{}, []string{}, []string{}, []string{})
+				cellPresence1 := models.NewCellPresence("cell-A", "cell-a.url", "", "zone-1", models.NewCellCapacity(123, 456, 789), []string{}, []string{}, []string{}, []string{}, []string{}, nil)
+				cellPresence2 := models.NewCellPresence("cell-B", "cell-b.url", "", "zone-1", models.NewCellCapacity(123, 456, 789), []string{}, []string{}, []string{}, []string{}, []string{}, nil)
 				cells := []*models.CellPresence{&cellPresence1, &cellPresence2}
 
 				bbsClient.CellsReturns(cells, nil)
@@ -76,6 +76,7 @@ var _ = Describe("Auction Runner Delegate", func() {
 						[]string{},
 						[]string{},
 						[]string{},
+						nil,
 					)
 					cells := []*models.CellPresence{&cellPresence}
 					bbsClient.CellsReturns(cells, nil)
@@ -126,6 +127,7 @@ var _ = Describe("Auction Runner Delegate", func() {
 						[]string{},
 						[]string{},
 						[]string{},
+						nil,
 					)
 					cells := []*models.CellPresence{&cellPresence}
 					bbsClient.CellsReturns(cells, nil)