Add server subnet discovery store, API, and agent policy push.

server/internal/db/subnet_discoveries_test.go

@@ -0,0 +1,33 @@
+package db
+
+import (
+	"encoding/json"
+	"testing"
+)
+
+func TestUpsertSubnetDiscoveryDedupesPorts(t *testing.T) {
+	database, err := New(t.TempDir())
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer database.Close()
+	portsA, _ := json.Marshal([]int{22})
+	portsB, _ := json.Marshal([]int{22, 80})
+	if _, err := database.UpsertSubnetDiscovery(SubnetDiscoveryRow{IP: "10.1.1.5", OpenPorts: portsA, SubnetPrefix: "10.1.1", Status: SubnetDiscoveryUninfected}); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := database.UpsertSubnetDiscovery(SubnetDiscoveryRow{IP: "10.1.1.5", OpenPorts: portsB, SubnetPrefix: "10.1.1", Status: SubnetDiscoveryUninfected}); err != nil {
+		t.Fatal(err)
+	}
+	row, err := database.GetSubnetDiscovery("10.1.1.5")
+	if err != nil {
+		t.Fatal(err)
+	}
+	var ports []int
+	if err := json.Unmarshal(row.OpenPorts, &ports); err != nil {
+		t.Fatal(err)
+	}
+	if len(ports) != 2 {
+		t.Fatalf("ports=%v", ports)
+	}
+}