added explicit only mode for docker provider, updated dependencies

cmd/main.go

@@ -84,7 +84,7 @@ func main() {
 	if err != nil {
 		logrus.Warn(err)
 	}
-	cfg := config.GetConfig()
+	cfg := config.GetInstance()
 
 	switch args.Command {
 	case common.CommandListConfigs:

config.example.yml

@@ -30,7 +30,12 @@ providers:
   docker:
     # $DOCKER_HOST implies environment variable `DOCKER_HOST` or unix:///var/run/docker.sock by default
     local: $DOCKER_HOST
-
+    # explicit only mode
+    # only containers with explicit aliases will be proxied
+    # add "!" after provider name to enable explicit only mode
+    #
+    # local!: $DOCKER_HOST
+    #
     # add more docker providers if needed
     # for value format, see https://docs.docker.com/reference/cli/dockerd/
     #

go.mod

@@ -15,7 +15,6 @@ require (
 )
 
 require (
-	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
 	github.com/Microsoft/go-winio v0.6.2 // indirect
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
 	github.com/cloudflare/cloudflare-go v0.106.0 // indirect
@@ -30,8 +29,7 @@ require (
 	github.com/goccy/go-json v0.10.3 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
-	github.com/google/uuid v1.6.0 // indirect
+	github.com/kr/pretty v0.3.1 // indirect
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.22.0 // indirect
 	github.com/miekg/dns v1.1.62 // indirect
 	github.com/moby/docker-image-spec v1.3.1 // indirect
 	github.com/moby/term v0.5.0 // indirect
@@ -40,14 +38,13 @@ require (
 	github.com/opencontainers/image-spec v1.1.0 // indirect
 	github.com/ovh/go-ovh v1.6.0 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
+	github.com/rogpeppe/go-internal v1.12.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.55.0 // indirect
 	go.opentelemetry.io/otel v1.30.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.30.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.30.0 // indirect
 	go.opentelemetry.io/otel/metric v1.30.0 // indirect
 	go.opentelemetry.io/otel/sdk v1.30.0 // indirect
 	go.opentelemetry.io/otel/trace v1.30.0 // indirect
-	go.opentelemetry.io/proto/otlp v1.3.1 // indirect
 	golang.org/x/crypto v0.27.0 // indirect
 	golang.org/x/mod v0.21.0 // indirect
 	golang.org/x/oauth2 v0.23.0 // indirect
@@ -56,10 +53,6 @@ require (
 	golang.org/x/text v0.18.0 // indirect
 	golang.org/x/time v0.6.0 // indirect
 	golang.org/x/tools v0.25.0 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20240903143218-8af14fe29dc1 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 // indirect
-	google.golang.org/grpc v1.66.1 // indirect
-	google.golang.org/protobuf v1.34.2 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gotest.tools/v3 v3.5.1 // indirect
 )

go.sum

@@ -8,6 +8,7 @@ github.com/cloudflare/cloudflare-go v0.106.0 h1:q41gC5Wc1nfi0D1ZhSHokWcd9mGMbqC7
 github.com/cloudflare/cloudflare-go v0.106.0/go.mod h1:pfUQ4PIG4ISI0/Mmc21Bp86UnFU0ktmPf3iTgbSL+cM=
 github.com/containerd/log v0.1.0 h1:TCJt7ioM2cr/tfR8GPbGf9/VRAX8D2B4PjzCpfX540I=
 github.com/containerd/log v0.1.0/go.mod h1:VRRf09a7mHDIRezVKTRCrOq78v577GXq3bSa3EhrzVo=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -51,8 +52,8 @@ github.com/jarcoal/httpmock v1.3.0 h1:2RJ8GP0IIaWwcC9Fp2BmVi8Kog3v2Hn7VXM3fTd+nu
 github.com/jarcoal/httpmock v1.3.0/go.mod h1:3yb8rc4BI7TCBhFY8ng0gjuLKJNquuDNiPaZjnENuYg=
 github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
-github.com/kr/pretty v0.3.0 h1:WgNl7dwNpEZ6jJ9k1snq4pZsg7DOEN8hP9Xw0Tsjwk0=
+github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
-github.com/kr/pretty v0.3.0/go.mod h1:640gp4NfQd8pI5XOwp5fnNeVWj67G7CFk/SaSQn7NBk=
+github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/maxatome/go-testdeep v1.12.0 h1:Ql7Go8Tg0C1D/uMMX59LAoYK7LffeJQ6X2T04nTH68g=
@@ -71,14 +72,16 @@ github.com/opencontainers/image-spec v1.1.0 h1:8SG7/vwALn54lVB/0yZ/MMwhFrPYtpEHQ
 github.com/opencontainers/image-spec v1.1.0/go.mod h1:W4s4sFTMaBeK1BQLXbG4AdM2szdn85PY75RI83NrTrM=
 github.com/ovh/go-ovh v1.6.0 h1:ixLOwxQdzYDx296sXcgS35TOPEahJkpjMGtzPadCjQI=
 github.com/ovh/go-ovh v1.6.0/go.mod h1:cTVDnl94z4tl8pP1uZ/8jlVxntjSIf09bNcQ5TJSC7c=
+github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/puzpuzpuz/xsync/v3 v3.4.0 h1:DuVBAdXuGFHv8adVXjWWZ63pJq+NRXOWVXlKDBZ+mJ4=
 github.com/puzpuzpuz/xsync/v3 v3.4.0/go.mod h1:VjzYrABPabuM4KyBh1Ftq6u8nhwY5tBPKP9jpmh0nnA=
-github.com/rogpeppe/go-internal v1.8.1 h1:geMPLpDpQOgVyCg5z5GoRwLHepNdb71NXb67XFkP+Eg=
+github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
-github.com/rogpeppe/go-internal v1.8.1/go.mod h1:JeRgkft04UBgHMgCIwADu4Pn6Mtm5d4nPKWu0nJ5d+o=
+github.com/rogpeppe/go-internal v1.12.0 h1:exVL4IDcn6na9z1rAb56Vxr+CgyK3nn3O+epU5NdKM8=
+github.com/rogpeppe/go-internal v1.12.0/go.mod h1:E+RYuTGaKKdloAfM02xzb0FW3Paa99yedzYV+kq4uf4=
 github.com/santhosh-tekuri/jsonschema v1.2.4 h1:hNhW8e7t+H1vgY+1QeEQpveR6D4+OwKPXCfD2aieJis=
 github.com/santhosh-tekuri/jsonschema v1.2.4/go.mod h1:TEAUOeZSmIxTTuHatJzrvARHiuO9LYd+cIxzgEHCQI4=
 github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
@@ -130,7 +133,6 @@ golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210616094352-59db8d763f22/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.25.0 h1:r+8e+loiHxRqhXVl6ML1nO3l1+oFoWbnlu2Ehimmi34=
 golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=

internal/api/handler.go

@@ -42,7 +42,7 @@ func NewHandler(cfg *config.Config) http.Handler {
 func checkHost(f http.HandlerFunc) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		if r.Host != common.APIHTTPAddr {
-			Logger.Warnf("invalid request to API server with host: %s, expected: %s", r.Host, common.APIHTTPAddr)
+			Logger.Warnf("invalid request to API server with host: %s, expect %s", r.Host, common.APIHTTPAddr)
 			w.WriteHeader(http.StatusNotFound)
 			w.Write([]byte("invalid request"))
 			return

internal/config/config.go

@@ -33,7 +33,7 @@ type Config struct {
 
 var instance *Config
 
-func GetConfig() *Config {
+func GetInstance() *Config {
 	return instance
 }
 

internal/docker/container.go

@@ -16,6 +16,7 @@ type Container struct {
 
 func FromDocker(c *types.Container, dockerHost string) (res Container) {
 	res.Container = c
+	isExplicit := c.Labels[LabelAliases] != ""
 	res.ProxyProperties = &ProxyProperties{
 		DockerHost:         dockerHost,
 		ContainerName:      res.getName(),
@@ -25,6 +26,7 @@ func FromDocker(c *types.Container, dockerHost string) (res Container) {
 		NetworkMode:        c.HostConfig.NetworkMode,
 		Aliases:            res.getAliases(),
 		IsExcluded:         U.ParseBool(res.getDeleteLabel(LabelExclude)),
+		IsExplicit:         isExplicit,
 		IdleTimeout:        res.getDeleteLabel(LabelIdleTimeout),
 		WakeTimeout:        res.getDeleteLabel(LabelWakeTimeout),
 		StopMethod:         res.getDeleteLabel(LabelStopMethod),

internal/docker/proxy_properties.go

@@ -13,6 +13,7 @@ type ProxyProperties struct {
 
 	Aliases     []string `yaml:"-" json:"aliases"`
 	IsExcluded  bool     `yaml:"-" json:"is_excluded"`
+	IsExplicit  bool     `yaml:"-" json:"is_explicit"`
 	IdleTimeout string   `yaml:"-" json:"idle_timeout"`
 	WakeTimeout string   `yaml:"-" json:"wake_timeout"`
 	StopMethod  string   `yaml:"-" json:"stop_method"`

internal/models/config.go

@@ -3,6 +3,7 @@ package model
 type Config struct {
 	Providers       ProxyProviders `yaml:",flow" json:"providers"`
 	AutoCert        AutoCertConfig `yaml:",flow" json:"autocert"`
+	ExplicitOnly    bool           `yaml:"explicit_only" json:"explicit_only"`
 	MatchDomains    []string       `yaml:"match_domains" json:"match_domains"`
 	TimeoutShutdown int            `yaml:"timeout_shutdown" json:"timeout_shutdown"`
 	RedirectToHTTPS bool           `yaml:"redirect_to_https" json:"redirect_to_https"`

internal/proxy/provider/docker.go

@@ -16,17 +16,18 @@ import (
 
 type DockerProvider struct {
 	dockerHost, hostname string
+	ExplicitOnly         bool
 }
 
 var AliasRefRegex = regexp.MustCompile(`#\d+`)
 var AliasRefRegexOld = regexp.MustCompile(`\$\d+`)
 
-func DockerProviderImpl(dockerHost string) (ProviderImpl, E.NestedError) {
+func DockerProviderImpl(dockerHost string, explicitOnly bool) (ProviderImpl, E.NestedError) {
 	hostname, err := D.ParseDockerHostname(dockerHost)
 	if err.HasError() {
 		return nil, err
 	}
-	return &DockerProvider{dockerHost: dockerHost, hostname: hostname}, nil
+	return &DockerProvider{dockerHost, hostname, explicitOnly}, nil
 }
 
 func (p *DockerProvider) String() string {
@@ -122,11 +123,12 @@ func (p *DockerProvider) OnEvent(event W.Event, routes R.Routes) (res EventResul
 
 // Returns a list of proxy entries for a container.
 // Always non-nil
-func (p *DockerProvider) entriesFromContainerLabels(container D.Container) (M.RawEntries, E.NestedError) {
+func (p *DockerProvider) entriesFromContainerLabels(container D.Container) (entries M.RawEntries, _ E.NestedError) {
-	entries := M.NewProxyEntries()
+	entries = M.NewProxyEntries()
 
-	if container.IsExcluded {
+	if container.IsExcluded ||
-		return entries, nil
+		!container.IsExplicit && p.ExplicitOnly {
+		return
 	}
 
 	// init entries map for all aliases

internal/proxy/provider/provider.go

@@ -56,6 +56,9 @@ func newProvider(name string, t ProviderType) *Provider {
 
 func NewFileProvider(filename string) (p *Provider, err E.NestedError) {
 	name := path.Base(filename)
+	if name == "" {
+		return nil, E.Invalid("file name", "empty")
+	}
 	p = newProvider(name, ProviderTypeFile)
 	p.ProviderImpl, err = FileProviderImpl(filename)
 	if err != nil {
@@ -66,8 +69,17 @@ func NewFileProvider(filename string) (p *Provider, err E.NestedError) {
 }
 
 func NewDockerProvider(name string, dockerHost string) (p *Provider, err E.NestedError) {
+	if name == "" {
+		return nil, E.Invalid("provider name", "empty")
+	}
+	explicitOnly := false
+	if name[len(name)-1] == '!' {
+		explicitOnly = true
+		name = name[:len(name)-1]
+	}
+
 	p = newProvider(name, ProviderTypeDocker)
-	p.ProviderImpl, err = DockerProviderImpl(dockerHost)
+	p.ProviderImpl, err = DockerProviderImpl(dockerHost, explicitOnly)
 	if err != nil {
 		return nil, err
 	}