feat: [CI-18706]: Add support for the new native Java agent (#398)

* 97fdbf Merge branch 'main' into CI-18706

* 3afe7a Merge branch 'CI-18708' into CI-18706

* cf3796 Merge branch 'main' into CI-18708

* b40dc8 feat: [CI-18706]: Renamed flag

* b1e02e Merge branch 'CI-18708' into CI-18706

* ba448c feat: [CI-18708]: Renamed flag

* 387086 Merge branch 'CI-18708' into CI-18706

* 8ed4f6 Merge branch 'CI-18435-i' into CI-18708

* 8d2a1f Merge branch 'CI-18776' into CI-18435-i

* a44e68 Merge branch 'CI-17478-i' into CI-18776

* c22c54 Merge branch 'main' into CI-17478-i

* 5fe482 fix: [CI-18776]: Fix powershell ruby & python commands

* 054d43 feat: [CI-18706]: Add support for the new native Java agent

* e344b9 feat: [CI-18708]: Add support for the new native Python agent

* 92da63 feat: [CI-18435]: Don't specify wheel file if plugin file is present for python agent

* 97d9bb feat: [CI-17478]: Prevent running agent setup commands (PreCmd) if the shell is python

* d63cbd Revert "fix:[CI-18679]: Revert "feat+ci~14385+Enable test splitting even when int

Author: M-Tsur

pipeline/runtime/runtestsV2.go

@@ -52,6 +52,7 @@ const (
 	dotNetAgentV2Path       = "/dotnet/v2/"
 	dotNetConfigV2Dir       = "%s/ti/v2/dotnet/config"
 	javascriptRequireFile   = "ti-agent.cjs"
+	nativeJavaAgentV2Name   = "java-agent-trampoline.jar"
 	pythonAgentScript       = "harness_ti_plugin"
 )
 
@@ -617,6 +618,21 @@ fi
 				}
 			}
 
+			if javaFFVal, ok := envs["CI_ENABLE_RUNTESTV2_JAVA_V2_FF"]; ok && javaFFVal == trueValue {
+				javaAgentPathLinux := fmt.Sprintf("%s%slinux/%s", tmpFilePath, dotNetAgentV2Path, nativeJavaAgentV2Name)
+				javaAgentPathAlpine := fmt.Sprintf("%s%salpine/%s", tmpFilePath, dotNetAgentV2Path, nativeJavaAgentV2Name)
+
+				envs["JAVA_TOOL_OPTIONS"] = fmt.Sprintf("-javaagent:%s", javaAgentPathLinux)
+				envs["JAVA_TOOL_OPTIONS_ALPINE"] = fmt.Sprintf("-javaagent:%s", javaAgentPathAlpine)
+				envs["JAVA_TOOL_OPTIONS_LINUX"] = fmt.Sprintf("-javaagent:%s", javaAgentPathLinux)
+
+				if !isPsh {
+					preCmd += "\nif cat /etc/os-release | grep -iq alpine ; then export JAVA_TOOL_OPTIONS=$JAVA_TOOL_OPTIONS_ALPINE; fi;"
+				} else {
+					preCmd += "\nIf (Get-Content /etc/os-release | %{$_ -match 'alpine'}) { [System.Environment]::SetEnvironmentVariable('JAVA_TOOL_OPTIONS', [System.Environment]::GetEnvironmentVariable('JAVA_TOOL_OPTIONS_ALPINE')); }"
+				}
+			}
+
 			if pythonFFVal, ok := envs["CI_ENABLE_RUNTESTV2_PYTHON_V2_FF"]; ok && pythonFFVal == trueValue {
 				pythonAgentPathLinux := fmt.Sprintf("%s%slinux/%s", tmpFilePath, dotNetAgentV2Path, pythonAgentScript)
 				pythonAgentPathAlpine := fmt.Sprintf("%s%salpine/%s", tmpFilePath, dotNetAgentV2Path, pythonAgentScript)