Fixes #28 - added the user/creator information to environment of process running tool

CHANGELOG.md

@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+### Added
+- User information to environment of process running the tool [#28](https://github.com/ncsa/datawolf/issues/28)
+
+
 ### Changed
 - Kubernetes executor prints exception [#23](https://github.com/ncsa/datawolf/issues/23)
 

datawolf-core/src/main/java/edu/illinois/ncsa/datawolf/Executor.java

@@ -36,6 +36,8 @@
 public abstract class Executor {
     private static Logger       logger      = LoggerFactory.getLogger(Executor.class);
 
+    protected static String DATAWOLF_USER   = "DATAWOLF_USER";
+
     private StringBuilder       log         = new StringBuilder();
     private LogFile             logfile     = new LogFile();
     private int                 lastsave    = 0;

datawolf-executor-commandline/src/main/java/edu/illinois/ncsa/datawolf/executor/commandline/CommandLineExecutor.java

@@ -108,6 +108,12 @@ public void execute(File cwd) throws AbortException, FailedException {
                 env.putAll(impl.getEnv());
             }
 
+            // Add user to the environment in case a tool needs this information
+            if(execution.getCreator() != null) {
+                String user = execution.getCreator().getEmail();
+                env.put(DATAWOLF_USER, user);
+            }
+
             // find the app to execute
             command.add(findApp(impl.getExecutable().trim(), cwd));
 

datawolf-executor-kubernetes/src/main/java/edu/illinois/ncsa/datawolf/executor/kubernetes/KubernetesExecutor.java

@@ -285,8 +285,25 @@ public State submitRemoteJob(File cwd) throws AbortException, FailedException {
             container.args(command);
             // add any environment variables
             if (!impl.getEnv().isEmpty()) {
-                // TODO implement
-                //container.addEnvItem();
+                Map<String, String> environment = impl.getEnv();
+
+                for (Map.Entry<String, String> entry : environment.entrySet()) {
+                    String key = entry.getKey();
+                    String value = entry.getValue();
+                    V1EnvVar envVar = new V1EnvVar();
+                    envVar.setName(key);
+                    envVar.setValue(value);
+                    container.addEnvItem(envVar);
+                }
+            }
+
+            // Add user to the environment in case a tool needs this information
+            if(execution.getCreator() != null) {
+                String user = execution.getCreator().getEmail();
+                V1EnvVar envVar = new V1EnvVar();
+                envVar.setName(DATAWOLF_USER);
+                envVar.setValue(user);
+                container.addEnvItem(envVar);
             }
 
             // add resource limits