fixed container being excluded in host network_mode

.gitignore

@@ -15,4 +15,6 @@ go.work.sum
 
 !src/**/
 
-todo.md
+todo.md
+
+.*.swp

src/docker/container.go

@@ -15,14 +15,16 @@ 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
-	Aliases            []string    `yaml:"-" json:"aliases"`
-	IsExcluded         bool        `yaml:"-" json:"is_excluded"`
-	IdleTimeout        string      `yaml:"-" json:"idle_timeout"`
-	WakeTimeout        string      `yaml:"-" json:"wake_timeout"`
-	StopMethod         string      `yaml:"-" json:"stop_method"`
-	StopTimeout        string      `yaml:"-" json:"stop_timeout"` // stop_method = "stop" only
-	StopSignal         string      `yaml:"-" json:"stop_signal"`  // stop_method = "stop" | "kill" only
-	Running            bool        `yaml:"-" json:"running"`
+	NetworkMode        string      `yaml:"-" json:"network_mode"`
+
+	Aliases     []string `yaml:"-" json:"aliases"`
+	IsExcluded  bool     `yaml:"-" json:"is_excluded"`
+	IdleTimeout string   `yaml:"-" json:"idle_timeout"`
+	WakeTimeout string   `yaml:"-" json:"wake_timeout"`
+	StopMethod  string   `yaml:"-" json:"stop_method"`
+	StopTimeout string   `yaml:"-" json:"stop_timeout"` // stop_method = "stop" only
+	StopSignal  string   `yaml:"-" json:"stop_signal"`  // stop_method = "stop" | "kill" only
+	Running     bool     `yaml:"-" json:"running"`
 }
 
 type Container struct {
@@ -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)
+}