fixed container being excluded in host network_mode

.gitignore

@@ -16,3 +16,5 @@ go.work.sum
 !src/**/
 
 todo.md
+
+.*.swp

0001-fixed-nil-dereferencing.patch

@@ -1,39 +0,0 @@
-From 6728bc39d2d7ded19c1ca288691ec787c02ff666 Mon Sep 17 00:00:00 2001
-From: yusing <yusing@6uo.me>
-Date: Mon, 23 Sep 2024 07:19:47 +0800
-Subject: [PATCH] fixed nil dereferencing
-
----
- frontend             | 2 +-
- src/error/builder.go | 6 ++++--
- 2 files changed, 5 insertions(+), 3 deletions(-)
-
-diff --git a/frontend b/frontend
-index d0e5963..441fd70 160000
---- a/frontend
-+++ b/frontend
-@@ -1 +1 @@
--Subproject commit d0e59630d6e0beb1c22d2f242f556464a5056c1f
-+Subproject commit 441fd708dbed89c59bf72a742431a78ff2f02bc3
-diff --git a/src/error/builder.go b/src/error/builder.go
-index 38a1bf2..16d2816 100644
---- a/src/error/builder.go
-+++ b/src/error/builder.go
-@@ -60,10 +60,12 @@ func (b Builder) Build() NestedError {
- }
- 
- func (b Builder) To(ptr *NestedError) {
--	if *ptr == nil {
-+	if ptr == nil {
-+		return
-+	} else if *ptr == nil {
- 		*ptr = b.Build()
- 	} else {
--		**ptr = *b.Build()
-+		(*ptr).With(b.Build())
- 	}
- }
- 
--- 
-2.46.1
-

src/docker/container.go

@@ -15,6 +15,8 @@ type ProxyProperties struct {
 	ImageName          string      `yaml:"-" json:"image_name"`
 	PublicPortMapping  PortMapping `yaml:"-" json:"public_port_mapping"`  // non-zero publicPort:types.Port
 	PrivatePortMapping PortMapping `yaml:"-" json:"private_port_mapping"` // privatePort:types.Port
+	NetworkMode        string      `yaml:"-" json:"network_mode"`
+
 	Aliases     []string `yaml:"-" json:"aliases"`
 	IsExcluded  bool     `yaml:"-" json:"is_excluded"`
 	IdleTimeout string   `yaml:"-" json:"idle_timeout"`
@@ -40,6 +42,7 @@ func FromDocker(c *types.Container, dockerHost string) (res Container) {
 		ImageName:          res.getImageName(),
 		PublicPortMapping:  res.getPublicPortMapping(),
 		PrivatePortMapping: res.getPrivatePortMapping(),
+		NetworkMode:        c.HostConfig.NetworkMode,
 		Aliases:            res.getAliases(),
 		IsExcluded:         U.ParseBool(res.getDeleteLabel(LabelExclude)),
 		IdleTimeout:        res.getDeleteLabel(LabelIdleTimeout),

src/models/raw_entry.go

@@ -54,7 +54,7 @@ func (e *RawEntry) FillMissingFields() bool {
 		}
 	}
 
-	if e.PublicPortMapping != nil {
+	if e.PublicPortMapping != nil && e.NetworkMode != "host" {
 		if _, ok := e.PublicPortMapping[e.Port]; !ok { // port is not exposed, but specified
 			// try to fallback to first public port
 			if len(e.PublicPortMapping) == 0 {

src/proxy/provider/docker_provider_test.go

@@ -288,3 +288,24 @@ func TestExcludeNonExposedPort(t *testing.T) {
 	_, ok := entries.Load("redis")
 	ExpectFalse(t, ok)
 }
+
+func TestNotExcludeNonExposedPortHostNetwork(t *testing.T) {
+	var p DockerProvider
+	cont := &types.Container{
+		Image: "redis",
+		Names: []string{"redis"},
+		Ports: []types.Port{
+			{Type: "tcp", PrivatePort: 6379, PublicPort: 0}, // not exposed
+		},
+		Labels: map[string]string{
+			"proxy.redis.port": "6379:6379", // should be excluded even specified
+		},
+	}
+	cont.HostConfig.NetworkMode = "host"
+
+	entries, err := p.entriesFromContainerLabels(D.FromDocker(cont, ""))
+	ExpectNoError(t, err.Error())
+
+	_, ok := entries.Load("redis")
+	ExpectTrue(t, ok)
+}