实例地址恒以主网卡为准,修复多网卡覆写随机

internal/oci/instance_test.go

@@ -5,9 +5,51 @@ import (
 	"strings"
 	"testing"
 
+	"github.com/oracle/oci-go-sdk/v65/common"
 	"github.com/oracle/oci-go-sdk/v65/core"
 )
 
+func TestApplyVnicAddrs(t *testing.T) {
+	primary := core.Vnic{
+		IsPrimary: common.Bool(true),
+		SubnetId:  common.String("sub-a"),
+		PrivateIp: common.String("10.0.0.2"),
+		PublicIp:  common.String("1.1.1.1"),
+	}
+	secondary := core.Vnic{
+		IsPrimary: common.Bool(false),
+		SubnetId:  common.String("sub-b"),
+		PrivateIp: common.String("10.0.0.9"),
+	}
+	secondary2 := core.Vnic{
+		SubnetId:  common.String("sub-c"),
+		PrivateIp: common.String("10.0.0.7"),
+	}
+	tests := []struct {
+		name        string
+		order       []core.Vnic
+		wantPrivate string
+		wantSubnet  string
+	}{
+		{name: "主卡先到不被次卡覆盖", order: []core.Vnic{primary, secondary}, wantPrivate: "10.0.0.2", wantSubnet: "sub-a"},
+		{name: "次卡先兜底主卡后覆盖", order: []core.Vnic{secondary, primary}, wantPrivate: "10.0.0.2", wantSubnet: "sub-a"},
+		{name: "无主卡时先到者保留", order: []core.Vnic{secondary, secondary2}, wantPrivate: "10.0.0.9", wantSubnet: "sub-b"},
+		{name: "仅次卡也能兜底", order: []core.Vnic{secondary2}, wantPrivate: "10.0.0.7", wantSubnet: "sub-c"},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			inst := &Instance{}
+			seen := make(map[*Instance]bool)
+			for _, v := range tt.order {
+				applyVnicAddrs(inst, v, seen)
+			}
+			if inst.PrivateIP != tt.wantPrivate || inst.SubnetID != tt.wantSubnet {
+				t.Errorf("got (%q, %q), want (%q, %q)", inst.PrivateIP, inst.SubnetID, tt.wantPrivate, tt.wantSubnet)
+			}
+		})
+	}
+}
+
 func TestShellSingleQuote(t *testing.T) {
 	tests := []struct {
 		name string