open-telemetry · tigrannajaryan · Jun 10, 2020 · Jun 5, 2020 · Jun 9, 2020 · Jun 10, 2020
diff --git a/docs/design.md b/docs/design.md
@@ -45,7 +45,7 @@ Receivers typically listen on a network port and receive telemetry data. Usually
 ```yaml
 receivers:
   opencensus:
-    endpoint: "localhost:55678"
+    endpoint: "0.0.0.0:55678"
 
 service:
   pipelines:
@@ -78,7 +78,7 @@ exporters:
   opencensus/1:
     endpoint: "example.com:14250"
   opencensus/2:
-    endpoint: "localhost:14250"
+    endpoint: "0.0.0.0:14250"
 ```
 
 Usually an exporter gets the data from one pipeline, however it is possible to configure multiple pipelines to send data to the same exporter, e.g.:
@@ -88,7 +88,7 @@ exporters:
   jaeger:
     protocols:
       grpc:
-        endpoint: "localhost:14250"
+        endpoint: "0.0.0.0:14250"
 
 service:
   pipelines:

diff --git a/docs/service-extensions.md b/docs/service-extensions.md
@@ -52,11 +52,11 @@ extensions:
   health_check:
     port: 13133
   pprof:
-    endpoint: "localhost:1777"
+    endpoint: "0.0.0.0:1777"
     block_profile_fraction: 0
     mutex_profile_fraction: 0
   zpages:
-   endpoint: "localhost:55679"
+   endpoint: "0.0.0.0:55679"
 
 # The service lists extensions not directly related to data pipelines, but used
 # by the service.

diff --git a/examples/demo/README.md b/examples/demo/README.md
@@ -23,9 +23,9 @@ docker-compose up -d
 
 The demo exposes the following backends:
 
-- Jaeger at http://localhost:16686
-- Zipkin at http://localhost:9411
-- Prometheus at http://localhost:9090 
+- Jaeger at http://0.0.0.0:16686
+- Zipkin at http://0.0.0.0:9411
+- Prometheus at http://0.0.0.0:9090 
 
 Notes:
 

diff --git a/exporter/README.md b/exporter/README.md
@@ -110,7 +110,7 @@ Example:
 ```yaml
 exporters:
   opencensus:
-    endpoint: localhost:14250
+    endpoint: 0.0.0.0:14250
     reconnection_delay: 60s
     secure: false
 ```
@@ -147,7 +147,7 @@ Example:
 ```yaml
 exporters:
   otlp:
-    endpoint: localhost:14250
+    endpoint: 0.0.0.0:14250
     reconnection_delay: 60s
     secure: false
 ```

diff --git a/extension/README.md b/extension/README.md
@@ -51,9 +51,8 @@ investigate issues with the service.
 
 The following settings are required:
 
-- `endpoint` (default = localhost:1777): The endpoint in which the pprof will
-be listening to. Use localhost:<port> to make it available only locally, or
-":<port>" to make it available on all network interfaces.
+- `endpoint` (default = 0.0.0.0:1777): The endpoint in which the pprof will
+be listening to.
 - `block_profile_fraction` (default = 0): Fraction of blocking events that
 are profiled. A value <= 0 disables profiling. See
 https://golang.org/pkg/runtime/#SetBlockProfileRate for details.
@@ -83,9 +82,8 @@ All core exporters and receivers provide some zPage instrumentation.
 
 The following settings are required:
 
-- `endpoint` (default = localhost:55679): Specifies the HTTP endpoint that serves
-zPages. Use localhost:<port> to make it available only locally, or ":<port>" to
-make it available on all network interfaces.
+- `endpoint` (default = 0.0.0.0:55679): Specifies the HTTP endpoint that serves
+zPages.
 
 Example:
 ```yaml

diff --git a/extension/pprofextension/config.go b/extension/pprofextension/config.go
@@ -24,8 +24,6 @@ type Config struct {
 	configmodels.ExtensionSettings `mapstructure:",squash"`
 
 	// Endpoint is the address and port in which the pprof will be listening to.
-	// Use localhost:<port> to make it available only locally, or ":<port>" to
-	// make it available on all network interfaces.
 	Endpoint string `mapstructure:"endpoint"`
 
 	// Fraction of blocking events that are profiled. A value <= 0 disables

diff --git a/extension/pprofextension/factory.go b/extension/pprofextension/factory.go
@@ -44,7 +44,7 @@ func (f *Factory) CreateDefaultConfig() configmodels.Extension {
 			TypeVal: typeStr,
 			NameVal: typeStr,
 		},
-		Endpoint: "localhost:1777",
+		Endpoint: "0.0.0.0:1777",
 	}
 }
 

diff --git a/extension/pprofextension/factory_test.go b/extension/pprofextension/factory_test.go
@@ -42,7 +42,7 @@ func TestFactory_CreateDefaultConfig(t *testing.T) {
 			NameVal: typeStr,
 			TypeVal: typeStr,
 		},
-		Endpoint: "localhost:1777",
+		Endpoint: "0.0.0.0:1777",
 	},
 		cfg)
 

diff --git a/extension/zpagesextension/config.go b/extension/zpagesextension/config.go
@@ -23,7 +23,5 @@ type Config struct {
 	configmodels.ExtensionSettings `mapstructure:",squash"`
 
 	// Endpoint is the address and port in which the zPages will be listening to.
-	// Use localhost:<port> to make it available only locally, or ":<port>" to
-	// make it available on all network interfaces.
 	Endpoint string `mapstructure:"endpoint"`
 }
diff --git a/extension/zpagesextension/factory.go b/extension/zpagesextension/factory.go
@@ -44,7 +44,7 @@ func (f *Factory) CreateDefaultConfig() configmodels.Extension {
 			TypeVal: typeStr,
 			NameVal: typeStr,
 		},
-		Endpoint: "localhost:55679",
+		Endpoint: "0.0.0.0:55679",
 	}
 }
 

diff --git a/extension/zpagesextension/factory_test.go b/extension/zpagesextension/factory_test.go
@@ -42,7 +42,7 @@ func TestFactory_CreateDefaultConfig(t *testing.T) {
 			NameVal: typeStr,
 			TypeVal: typeStr,
 		},
-		Endpoint: "localhost:55679",
+		Endpoint: "0.0.0.0:55679",
 	},
 		cfg)
 

diff --git a/receiver/README.md b/receiver/README.md
@@ -40,7 +40,7 @@ receivers:
   # <receiver type>/<name>:
   examplereceiver/settings:
     # <setting two>: <value two>
-    endpoint: localhost:9211
+    endpoint: 0.0.0.0:9211
 ```
 
 A receiver instance is referenced by its full name in other parts of the config,
@@ -95,7 +95,7 @@ receivers:
         tls_credentials:
           key_file: /key.pem # path to private key
           cert_file: /cert.pem # path to certificate
-        endpoint: "localhost:9876"
+        endpoint: "0.0.0.0:9876"
 ```
 
 ### Remote Sampling
@@ -181,7 +181,7 @@ specifying a list of allowed CORS origins in the `cors_allowed_origins` field:
 ```yaml
 receivers:
   opencensus:
-    endpoint: "localhost:55678"
+    endpoint: "0.0.0.0:55678"
     cors_allowed_origins:
     - http://test.com
     # Origins can have wildcards with *, use * by itself to match any origin.
@@ -235,7 +235,7 @@ specifying a list of allowed CORS origins in the `cors_allowed_origins` field:
 ```yaml
 receivers:
   otlp:
-    endpoint: "localhost:55680"
+    endpoint: "0.0.0.0:55680"
     cors_allowed_origins:
     - http://test.com
     # Origins can have wildcards with *, use * by itself to match any origin.
@@ -336,12 +336,12 @@ receivers:
           - job_name: 'opencensus_service'
             scrape_interval: 5s
             static_configs:
-              - targets: ['localhost:8889']
+              - targets: ['0.0.0.0:8889']
 
           - job_name: 'jdbc_apps'
             scrape_interval: 3s
             static_configs:
-              - targets: ['localhost:9777']
+              - targets: ['0.0.0.0:9777']
 ```
 
 ### Include Filter
@@ -359,8 +359,8 @@ of the metrics from the targets will be dropped.
 receivers:
     prometheus:
       include_filter: {
-        "localhost:9777" : [http/server/server_latency, custom_metric1],
-        "localhost:9778" : [http/client/roundtrip_latency],
+        "0.0.0.0:9777" : [http/server/server_latency, custom_metric1],
+        "0.0.0.0:9778" : [http/client/roundtrip_latency],
       }
       config:
         scrape_configs:

diff --git a/receiver/jaegerreceiver/factory.go b/receiver/jaegerreceiver/factory.go
@@ -45,11 +45,11 @@ const (
 	protoThriftCompact  = "thrift_compact"
 
 	// Default endpoints to bind to.
-	defaultGRPCBindEndpoint = "localhost:14250"
-	defaultHTTPBindEndpoint = "localhost:14268"
+	defaultGRPCBindEndpoint = "0.0.0.0:14250"
+	defaultHTTPBindEndpoint = "0.0.0.0:14268"
 
-	defaultThriftCompactBindEndpoint   = "localhost:6831"
-	defaultThriftBinaryBindEndpoint    = "localhost:6832"
+	defaultThriftCompactBindEndpoint   = "0.0.0.0:6831"
+	defaultThriftBinaryBindEndpoint    = "0.0.0.0:6832"
 	defaultAgentRemoteSamplingHTTPPort = 5778
 )
 

diff --git a/receiver/opencensusreceiver/config_test.go b/receiver/opencensusreceiver/config_test.go
@@ -60,7 +60,7 @@ func TestLoadConfig(t *testing.T) {
 			ReceiverSettings: configmodels.ReceiverSettings{
 				TypeVal:  typeStr,
 				NameVal:  "opencensus/keepalive",
-				Endpoint: "localhost:55678",
+				Endpoint: "0.0.0.0:55678",
 			},
 			TLSCredentials: nil,
 			Transport:      "tcp",
@@ -85,7 +85,7 @@ func TestLoadConfig(t *testing.T) {
 			ReceiverSettings: configmodels.ReceiverSettings{
 				TypeVal:  typeStr,
 				NameVal:  "opencensus/msg-size-conc-connect-max-idle",
-				Endpoint: "localhost:55678",
+				Endpoint: "0.0.0.0:55678",
 			},
 
 			Transport:            "tcp",
@@ -106,7 +106,7 @@ func TestLoadConfig(t *testing.T) {
 			ReceiverSettings: configmodels.ReceiverSettings{
 				TypeVal:  typeStr,
 				NameVal:  "opencensus/tlscredentials",
-				Endpoint: "localhost:55678",
+				Endpoint: "0.0.0.0:55678",
 			},
 			TLSCredentials: &configtls.TLSSetting{
 				CertFile: "test.crt",
@@ -121,7 +121,7 @@ func TestLoadConfig(t *testing.T) {
 			ReceiverSettings: configmodels.ReceiverSettings{
 				TypeVal:  typeStr,
 				NameVal:  "opencensus/cors",
-				Endpoint: "localhost:55678",
+				Endpoint: "0.0.0.0:55678",
 			},
 			Transport:   "tcp",
 			CorsOrigins: []string{"https://*.test.com", "https://test.com"},

diff --git a/receiver/opencensusreceiver/factory.go b/receiver/opencensusreceiver/factory.go
@@ -49,7 +49,7 @@ func (f *Factory) CreateDefaultConfig() configmodels.Receiver {
 		ReceiverSettings: configmodels.ReceiverSettings{
 			TypeVal:  typeStr,
 			NameVal:  typeStr,
-			Endpoint: "localhost:55678",
+			Endpoint: "0.0.0.0:55678",
 		},
 		Transport: "tcp",
 	}

diff --git a/receiver/otlpreceiver/config_test.go b/receiver/otlpreceiver/config_test.go
@@ -49,7 +49,7 @@ func TestLoadConfig(t *testing.T) {
 			ReceiverSettings: configmodels.ReceiverSettings{
 				TypeVal:  typeStr,
 				NameVal:  "otlp/customname",
-				Endpoint: "0.0.0.0:9090",
+				Endpoint: "localhost:9090",
 			},
 			Transport: "tcp",
 		})
@@ -60,7 +60,7 @@ func TestLoadConfig(t *testing.T) {
 			ReceiverSettings: configmodels.ReceiverSettings{
 				TypeVal:  typeStr,
 				NameVal:  "otlp/keepalive",
-				Endpoint: "localhost:55680",
+				Endpoint: "0.0.0.0:55680",
 			},
 			TLSCredentials: nil,
 			Transport:      "tcp",
@@ -85,7 +85,7 @@ func TestLoadConfig(t *testing.T) {
 			ReceiverSettings: configmodels.ReceiverSettings{
 				TypeVal:  typeStr,
 				NameVal:  "otlp/msg-size-conc-connect-max-idle",
-				Endpoint: "localhost:55680",
+				Endpoint: "0.0.0.0:55680",
 			},
 			Transport:            "tcp",
 			MaxRecvMsgSizeMiB:    32,
@@ -105,7 +105,7 @@ func TestLoadConfig(t *testing.T) {
 			ReceiverSettings: configmodels.ReceiverSettings{
 				TypeVal:  typeStr,
 				NameVal:  "otlp/tlscredentials",
-				Endpoint: "localhost:55680",
+				Endpoint: "0.0.0.0:55680",
 			},
 			TLSCredentials: &configtls.TLSSetting{
 				CertFile: "test.crt",
@@ -120,7 +120,7 @@ func TestLoadConfig(t *testing.T) {
 			ReceiverSettings: configmodels.ReceiverSettings{
 				TypeVal:  typeStr,
 				NameVal:  "otlp/cors",
-				Endpoint: "localhost:55680",
+				Endpoint: "0.0.0.0:55680",
 			},
 			Transport:   "tcp",
 			CorsOrigins: []string{"https://*.test.com", "https://test.com"},

diff --git a/receiver/otlpreceiver/factory.go b/receiver/otlpreceiver/factory.go
@@ -47,7 +47,7 @@ func (f *Factory) CreateDefaultConfig() configmodels.Receiver {
 		ReceiverSettings: configmodels.ReceiverSettings{
 			TypeVal:  typeStr,
 			NameVal:  typeStr,
-			Endpoint: "localhost:55680",
+			Endpoint: "0.0.0.0:55680",
 		},
 		Transport: "tcp",
 	}

diff --git a/receiver/otlpreceiver/testdata/config.yaml b/receiver/otlpreceiver/testdata/config.yaml
@@ -7,8 +7,8 @@ receivers:
   # This configuration is of type 'otlp' and has the name 'customname' with a full name of 'otlp/customname'
   # ('<type>/<name>'. To reference this configuration in a pipeline, use the full name `otlp/customname`.
   otlp/customname:
-    # The receiver will listen on endpoint: "0.0.0.0:9090".
-    endpoint: 0.0.0.0:9090
+    # The receiver will listen on endpoint: "localhost:9090".
+    endpoint: localhost:9090
   # The following entry configures all of the keep alive settings. These settings are used to configure the receiver.
   otlp/keepalive:
     keepalive:

diff --git a/receiver/prometheusreceiver/factory.go b/receiver/prometheusreceiver/factory.go
@@ -97,7 +97,7 @@ func (f *Factory) CreateDefaultConfig() configmodels.Receiver {
 		ReceiverSettings: configmodels.ReceiverSettings{
 			TypeVal:  typeStr,
 			NameVal:  typeStr,
-			Endpoint: "localhost:9090",
+			Endpoint: "0.0.0.0:9090",
 		},
 	}
 }

diff --git a/receiver/vmmetricsreceiver/example_config.yaml b/receiver/vmmetricsreceiver/example_config.yaml
@@ -10,4 +10,4 @@ zpages:
 exporters:
   prometheus:
     namespace: "vmmetrics_test"
-    address: "localhost:8888"
+    address: "0.0.0.0:8888"
diff --git a/receiver/zipkinreceiver/factory.go b/receiver/zipkinreceiver/factory.go
@@ -31,7 +31,7 @@ const (
 	// The value of "type" key in configuration.
 	typeStr = "zipkin"
 
-	defaultBindEndpoint = "localhost:9411"
+	defaultBindEndpoint = "0.0.0.0:9411"
 )
 
 // Factory is the factory for Zipkin receiver.