[SDTEST-1174] Add support for Go (#6)

Author: tonyredondo

README.md

@@ -1,7 +1,7 @@
 # <img height="25" src="logos/test_visibility_logo.png" /> Datadog Test Optimization GitLab Script
 
 Bash script that installs and configures [Datadog Test Optimization](https://docs.datadoghq.com/tests/) for GitLab.
-Supported languages are .NET, Java, Javascript, Python, and Ruby.
+Supported languages are .NET, Java, Javascript, Python, Ruby and Go.
 
 ## About Datadog Test Optimization
 
@@ -35,6 +35,7 @@ The script takes in the following environment variables:
 | JS_TRACER_VERSION              | The version of Datadog JS tracer to use. Defaults to the latest release.                                                                                                                                                                                                                            | false    |               |
 | PYTHON_TRACER_VERSION          | The version of Datadog Python tracer to use. Defaults to the latest release.                                                                                                                                                                                                                        | false    |               |
 | RUBY_TRACER_VERSION            | The version of datadog-ci gem to use. Defaults to the latest release.                                                                                                                                                                                                                               | false    |               |
+| GO_TRACER_VERSION              | The version of Orchestrion automatic compile-time instrumentation of Go code (https://github.com/datadog/orchestrion) to use. Defaults to the latest release.                                                                                                                                       | false    |               |
 | JAVA_INSTRUMENTED_BUILD_SYSTEM | If provided, only the specified build systems will be instrumented (allowed values are `gradle`,`maven`,`sbt`,`ant`,`all`). `all` is a special value that instruments every Java process. If this property is not provided, all known build systems will be instrumented (Gradle, Maven, SBT, Ant). | false    |               |
 
 ### Additional configuration

script.sh

@@ -58,15 +58,20 @@ if [ -n "$RUBY_TRACER_VERSION" ]; then
 	export DD_SET_TRACER_VERSION_RUBY=${RUBY_TRACER_VERSION}
 fi
 
+# $GO_TRACER_VERSION or $DD_SET_TRACER_VERSION_GO are optional
+if [ -n "$GO_TRACER_VERSION" ]; then
+	export DD_SET_TRACER_VERSION_GO=${GO_TRACER_VERSION}
+fi
+
 # $JAVA_INSTRUMENTED_BUILD_SYSTEM or $DD_INSTRUMENTATION_BUILD_SYSTEM_JAVA are optional
 if [ -n "$JAVA_INSTRUMENTED_BUILD_SYSTEM" ]; then
 	export DD_INSTRUMENTATION_BUILD_SYSTEM_JAVA=${JAVA_INSTRUMENTED_BUILD_SYSTEM}
 fi
 
 export DD_CIVISIBILITY_AUTO_INSTRUMENTATION_PROVIDER="gitlab"
 
-installation_script_url="https://install.datadoghq.com/scripts/install_test_visibility_v5.sh"
-installation_script_checksum="903f1146fe123a1f7c6accdc48411546eead172f2d577fb41876d29b537eb7d6"
+installation_script_url="https://install.datadoghq.com/scripts/install_test_visibility_v6.sh"
+installation_script_checksum="23c0bbba82ee72342dd3967c3147d1086debf6482e8fd729e226d051dd152cd4"
 script_filepath="install_test_visibility.sh"
 
 if command -v curl >/dev/null 2>&1; then
@@ -109,4 +114,7 @@ fi
 if [ ! -z "$DD_TRACER_VERSION_RUBY" ]; then
   echo "- __Ruby:__ $DD_TRACER_VERSION_RUBY"
 fi
+if [ ! -z "$DD_TRACER_VERSION_GO" ]; then
+  echo "- __Go:__ $DD_TRACER_VERSION_GO"
+fi
 echo "---"