Added ZFS state metrics

proxmox/model_test.go

@@ -1,6 +1,9 @@
 package proxmox
 
-import "testing"
+import (
+	"encoding/json"
+	"testing"
+)
 
 func TestPveClusterStatusGetClusterModeNumeric(t *testing.T) {
 	tests := []struct {
@@ -52,3 +55,60 @@ func TestPveSubscriptionGetStatusNumeric(t *testing.T) {
 		})
 	}
 }
+
+func TestPveZfsPoolStatusUnmarshal(t *testing.T) {
+	payload := []byte(`{
+		"errors": "No known data errors",
+		"state": "ONLINE",
+		"leaf": 0,
+		"name": "hdd",
+		"children": [
+			{
+				"name": "hdd",
+				"state": "ONLINE",
+				"read": 0,
+				"write": 0,
+				"cksum": 0,
+				"children": [
+					{
+						"name": "/dev/disk/by-id/disk-1-part1",
+						"state": "ONLINE",
+						"leaf": 1,
+						"read": 0,
+						"write": 0,
+						"cksum": 0
+					}
+				]
+			},
+			{
+				"name": "cache",
+				"leaf": 0
+			}
+		]
+	}`)
+
+	var status PveZfsPoolStatus
+	if err := json.Unmarshal(payload, &status); err != nil {
+		t.Fatalf("unable to unmarshal ZFS pool status: %v", err)
+	}
+
+	if status.Name != "hdd" || status.State != "ONLINE" || status.Errors != "No known data errors" {
+		t.Fatalf("unexpected pool status: %+v", status)
+	}
+	if len(status.Children) != 2 || len(status.Children[0].Children) != 1 {
+		t.Fatalf("unexpected ZFS topology: %+v", status.Children)
+	}
+
+	leaf := status.Children[0].Children[0]
+	if leaf.Leaf != 1 || leaf.Read == nil || leaf.Write == nil || leaf.Checksum == nil {
+		t.Fatal("leaf component is missing its type or error counters")
+	}
+	if *leaf.Read != 0 || *leaf.Write != 0 || *leaf.Checksum != 0 {
+		t.Fatalf("unexpected leaf error counters: read=%d write=%d checksum=%d", *leaf.Read, *leaf.Write, *leaf.Checksum)
+	}
+
+	cache := status.Children[1]
+	if cache.Read != nil || cache.Write != nil || cache.Checksum != nil {
+		t.Fatal("missing cache counters must stay absent instead of becoming zero metrics")
+	}
+}