add cpuArchitecture filter to nodeResources collector

examples/preflight/node-resources.yaml

@@ -16,39 +16,68 @@ spec:
           - pass:
               message: This cluster has enough nodes.
     - nodeResources:
-        checkName: Must have 3 nodes with at least 6 cores
+        checkName: Must have 3 nodes with at least 6 cores each
         filters:
           cpuCapacity: "6"
         outcomes:
           - fail:
-              when: "< 3"
+              when: "count() < 3"
               message: This application requires at least 3 nodes with 6 cores each
           - pass:
-              message: This cluster has enough nodes with enough codes
+              message: This cluster has enough nodes with enough cores
     - nodeResources:
-        checkName: Must have 1 node with 16 GB (available) memory and 5 cores (on a single node)
+        checkName: Must have 1 node with 16 GB (available) memory and 10 cores (on a single node)
         filters:
           allocatableMemory: 16Gi
-          cpuCapacity: "5"
+          cpuCapacity: "10"
         outcomes:
           - fail:
               when: "< 1"
               message: This application requires at least 1 node with 16GB available memory
           - pass:
               message: This cluster has a node with enough memory.
     - nodeResources:
-        checkName: There must be at least 3 nodes in the cluster
+        checkName: Must have 1 node with 16 GB (available) memory and 4 cores of amd64 arch (on a single node)
+        filters:
+          allocatableMemory: 16Gi
+          cpuArchitecture: amd64
+          cpuCapacity: "4"
         outcomes:
           - fail:
-              when: "count() < 3"
-              message: This application requires at least 3 nodes in the cluster
+              when: "< 1"
+              message: This application requires at least 1 node with amd64 arch and 16GB available memory
+          - pass:
+              message: This cluster has a node with the correct architecture and enough memory.
+    - nodeResources:
+        checkName: Must have 1 manager node with 16 GB (available) memory and 4 cores of amd64 arch
+        filters:
+          selector:
+            matchLabel:
+              node-role.kubernetes.io/master: ""
+          allocatableMemory: 16Gi
+          cpuArchitecture: amd64
+          cpuCapacity: "6"
+        outcomes:
+          - fail:
+              when: "< 1"
+              message: This application requires at least 1 manager node with amd64 arch, 16GB available memory, and the label `node-role.kubernetes.io/master=""`
           - pass:
-              message: This cluster haas sufficient nodes
+              message: This cluster has a node with the correct architecture and enough memory.
     - nodeResources:
         checkName: There must be a total of at least 32Gi of memory on all nodes
         outcomes:
           - fail:
               when: "sum(memoryCapacity) < 32Gi"
               message: This application requires that 32Gi or more memory be available to the cluster
           - pass:
-              message: This cluster haas sufficient memory
+              message: This cluster has sufficient memory
+    - nodeResources:
+        checkName: There must be a total of at least 32Gi of memory on amd64 nodes
+        filters:
+          cpuArchitecture: amd64
+        outcomes:
+          - fail:
+              when: "sum(memoryCapacity) < 32Gi"
+              message: This application requires that 32Gi or more memory on amd64 nodes be available to the cluster
+          - pass:
+              message: This cluster has sufficient memory

pkg/analyze/node_resources.go

@@ -351,6 +351,14 @@ func nodeMatchesFilters(node corev1.Node, filters *troubleshootv1beta2.NodeResou
 		}
 	}
 
+	if filters.Architecture != "" {
+		parsed := filters.Architecture
+
+		if !strings.EqualFold(node.Status.NodeInfo.Architecture, parsed) {
+			return false, nil
+		}
+	}
+
 	if filters.CPUCapacity != "" {
 		parsed, err := resource.ParseQuantity(filters.CPUCapacity)
 		if err != nil {

pkg/analyze/node_resources_test.go

@@ -392,6 +392,9 @@ func Test_nodeMatchesFilters(t *testing.T) {
 			},
 		},
 		Status: corev1.NodeStatus{
+			NodeInfo: corev1.NodeSystemInfo{
+				Architecture: "amd64",
+			},
 			Capacity: corev1.ResourceList{
 				"attachable-volumes-aws-ebs": resource.MustParse("25"),
 				"cpu":                        resource.MustParse("2"),
@@ -438,6 +441,22 @@ func Test_nodeMatchesFilters(t *testing.T) {
 			},
 			expectResult: false,
 		},
+		{
+			name: "true when cpu arch is amd64",
+			node: node,
+			filters: &troubleshootv1beta2.NodeResourceFilters{
+				Architecture: "amd64",
+			},
+			expectResult: true,
+		},
+		{
+			name: "false when cpu arch is not amd64",
+			node: node,
+			filters: &troubleshootv1beta2.NodeResourceFilters{
+				Architecture: "armhf",
+			},
+			expectResult: false,
+		},
 		{
 			name: "true when allocatable memory is available",
 			node: node,
@@ -709,6 +728,43 @@ func Test_analyzeNodeResources(t *testing.T) {
 				IconURI: "https://troubleshoot.sh/images/analyzer-icons/node-resources.svg?w=16&h=18",
 			},
 		},
+		{
+			name: "at least 8 cores on amd64", // filter for a node with enough amd64 cores
+			analyzer: &troubleshootv1beta2.NodeResources{
+				AnalyzeMeta: troubleshootv1beta2.AnalyzeMeta{
+					CheckName: "amd64-exists",
+				},
+				Outcomes: []*troubleshootv1beta2.Outcome{
+					{
+						Fail: &troubleshootv1beta2.SingleOutcome{
+							When:    "max(cpuCapacity) < 8",
+							Message: "There isn't a node with 8 or more cores on amd64 arch",
+							URI:     "",
+						},
+					},
+					{
+						Pass: &troubleshootv1beta2.SingleOutcome{
+							When:    "max(cpuCapacity) >= 8",
+							Message: "There is a node with at least 8 cores on amd64 arch",
+							URI:     "",
+						},
+					},
+				},
+				Filters: &troubleshootv1beta2.NodeResourceFilters{
+					Architecture: "amd64",
+				},
+			},
+			want: &AnalyzeResult{
+				IsPass:  true,
+				IsFail:  false,
+				IsWarn:  false,
+				Title:   "amd64-exists",
+				Message: "There is a node with at least 8 cores on amd64 arch",
+				URI:     "",
+				IconKey: "kubernetes_node_resources",
+				IconURI: "https://troubleshoot.sh/images/analyzer-icons/node-resources.svg?w=16&h=18",
+			},
+		},
 		{
 			name: "unfiltered CPU totals",
 			analyzer: &troubleshootv1beta2.NodeResources{

pkg/apis/troubleshoot/v1beta2/analyzer_shared.go

@@ -118,6 +118,7 @@ type NodeResources struct {
 }
 
 type NodeResourceFilters struct {
+	Architecture                string                 `json:"architecture,omitempty" yaml:"cpuArchitecture,omitempty"`
 	CPUCapacity                 string                 `json:"cpuCapacity,omitempty" yaml:"cpuCapacity,omitempty"`
 	CPUAllocatable              string                 `json:"cpuAllocatable,omitempty" yaml:"cpuAllocatable,omitempty"`
 	MemoryCapacity              string                 `json:"memoryCapacity,omitempty" yaml:"memoryCapacity,omitempty"`