Introduce automatic module names into all libraries being built. (#781)

* Introduce automatic module names into all libraries being built.

* Centralise manifest config of automatic module name into root build.gradle file.

* Adding empty new lines

all/build.gradle

@@ -1,4 +1,5 @@
 description = "OpenTelemetry All"
+ext.moduleName = "io.opentelemetry.all"
 
 def subprojects = [
         project(':opentelemetry-api'),

api/build.gradle

@@ -1,4 +1,5 @@
 description = 'OpenTelemetry API'
+ext.moduleName = "io.opentelemetry.api"
 
 dependencies {
     api project(':opentelemetry-context-prop')

build.gradle

@@ -186,6 +186,14 @@ subprojects {
             source = sourceSets*.allJava
             include '**/*.java'
         }
+
+        jar {
+            inputs.property("moduleName", moduleName)
+
+            manifest {
+                attributes('Automatic-Module-Name': moduleName)
+            }
+        }
     }
 
     signing {
@@ -225,4 +233,4 @@ subprojects {
 wrapper {
     distributionType = Wrapper.DistributionType.ALL
     gradleVersion = '6.0.1'
-}
+}

context_prop/build.gradle

@@ -1,4 +1,5 @@
 description = 'OpenTelemetry Context Propagation'
+ext.moduleName = "io.opentelemetry.context.propagation"
 
 dependencies {
     api libraries.grpc_context

contrib/runtime_metrics/build.gradle

@@ -1,4 +1,5 @@
 description = 'OpenTelemetry Contrib Runtime Metrics'
+ext.moduleName = "io.opentelemetry.contrib.metrics.runtime"
 
 dependencies {
     implementation project(':opentelemetry-api')

contrib/trace_utils/build.gradle

@@ -1,4 +1,5 @@
 description = 'OpenTelemetry Contrib Trace Utils'
+ext.moduleName = "io.opentelemetry.contrib.trace"
 
 dependencies {
     api project(':opentelemetry-api')

exporters/inmemory/build.gradle

@@ -1,4 +1,5 @@
 description = 'OpenTelemetry InMemory Export'
+ext.moduleName = "io.opentelemetry.exporters.inmemory"
 
 dependencies {
     api project(':opentelemetry-sdk')

exporters/jaeger/build.gradle

@@ -1,8 +1,8 @@
 description = 'OpenTelemetry - Jaeger Exporter'
+ext.moduleName = "io.opentelemetry.exporters.jaeger"
 
 apply plugin: 'com.google.protobuf'
 
-
 buildscript {
     repositories {
         maven { url "https://plugins.gradle.org/m2/" }

exporters/logging/build.gradle

@@ -1,4 +1,5 @@
 description = 'OpenTelemetry - Logging Exporter'
+ext.moduleName = "io.opentelemetry.exporters.logging"
 
 buildscript {
     repositories {

exporters/otprotocol/build.gradle

@@ -1,4 +1,5 @@
 description = 'OpenTelemetry Protocol Exporter'
+ext.moduleName = "io.opentelemetry.exporters.otprotocol"
 
 dependencies {
     api project(':opentelemetry-proto'),

opentracing_shim/build.gradle

@@ -1,4 +1,5 @@
 description = 'OpenTelemetry OpenTracing Bridge'
+ext.moduleName = "io.opentelemetry.opentracingshim"
 
 def protobufVersion = '3.7.1'
 

proto/build.gradle

@@ -1,4 +1,5 @@
 description = 'OpenTelemetry Proto'
+ext.moduleName = 'io.opentelemetry.proto'
 
 apply plugin: 'com.google.protobuf'
 

sdk/build.gradle

@@ -1,4 +1,5 @@
 description = 'OpenTelemetry SDK'
+ext.moduleName = "io.opentelemetry.sdk"
 
 dependencies {
     api project(':opentelemetry-api')

sdk_contrib/async_processor/build.gradle

@@ -1,4 +1,5 @@
 description = 'OpenTelemetry SDK Contrib'
+ext.moduleName = "io.opentelemetry.sdk.contrib.trace.export"
 
 dependencies {
     api project(':opentelemetry-api'),

sdk_contrib/aws_v1_support/build.gradle

@@ -1,4 +1,5 @@
 description = 'OpenTelemetry SDK AWS SDK v1.x Support'
+ext.moduleName = "io.opentelemetry.sdk.contrib.trace.aws"
 
 sourceCompatibility = 1.8
 targetCompatibility = 1.8

sdk_contrib/testbed/build.gradle

@@ -1,4 +1,5 @@
 description = 'OpenTelemetry SDK Testbed'
+ext.moduleName = 'io.opentelemetry.sdk.contrib.trace.testbed'
 
 dependencies {
     api project(':opentelemetry-api')