Fix issue #6531: [Bug]: GITHUB_TOKEN would missing when the runtime resume (#6533)

openhands/runtime/base.py

@@ -172,11 +172,14 @@ class Runtime(FileEditRuntimeMixin):
             # Note: we don't log the vars values, they're leaking info
             logger.debug('Added env vars to IPython')
 
-        # Add env vars to the Bash shell
+        # Add env vars to the Bash shell and .bashrc for persistence
         cmd = ''
+        bashrc_cmd = ''
         for key, value in env_vars.items():
             # Note: json.dumps gives us nice escaping for free
             cmd += f'export {key}={json.dumps(value)}; '
+            # Add to .bashrc if not already present
+            bashrc_cmd += f'grep -q "^export {key}=" ~/.bashrc || echo "export {key}={json.dumps(value)}" >> ~/.bashrc; '
         if not cmd:
             return
         cmd = cmd.strip()
@@ -190,6 +193,15 @@ class Runtime(FileEditRuntimeMixin):
                 f'Failed to add env vars [{env_vars.keys()}] to environment: {obs.content}'
             )
 
+        # Add to .bashrc for persistence
+        bashrc_cmd = bashrc_cmd.strip()
+        logger.debug(f'Adding env var to .bashrc: {env_vars.keys()}')
+        obs = self.run(CmdRunAction(bashrc_cmd))
+        if not isinstance(obs, CmdOutputObservation) or obs.exit_code != 0:
+            raise RuntimeError(
+                f'Failed to add env vars [{env_vars.keys()}] to .bashrc: {obs.content}'
+            )
+
     def on_event(self, event: Event) -> None:
         if isinstance(event, Action):
             asyncio.get_event_loop().run_until_complete(self._handle_action(event))

openhands/runtime/impl/docker/docker_runtime.py

@@ -401,6 +401,32 @@ class DockerRuntime(ActionExecutionClient):
 
         return hosts
 
+    def pause(self):
+        """Pause the runtime by stopping the container.
+        This is different from container.stop() as it ensures environment variables are properly preserved."""
+        if not self.container:
+            raise RuntimeError("Container not initialized")
+        
+        # First, ensure all environment variables are properly persisted in .bashrc
+        # This is already handled by add_env_vars in base.py
+        
+        # Stop the container
+        self.container.stop()
+        self.log('debug', f'Container {self.container_name} paused')
+
+    def resume(self):
+        """Resume the runtime by starting the container.
+        This is different from container.start() as it ensures environment variables are properly restored."""
+        if not self.container:
+            raise RuntimeError("Container not initialized")
+        
+        # Start the container
+        self.container.start()
+        self.log('debug', f'Container {self.container_name} resumed')
+        
+        # Wait for the container to be ready
+        self._wait_until_alive()
+
     @classmethod
     async def delete(cls, conversation_id: str):
         docker_client = cls._init_docker_client()

tests/runtime/test_env_vars.py

@@ -81,3 +81,35 @@ def test_env_vars_added_by_config(temp_dir, runtime_cls):
         and obs.content.strip().split('\r\n')[0].strip() == 'added_value'
     )
     _close_test_runtime(runtime)
+
+
+def test_docker_runtime_env_vars_persist_after_restart(temp_dir):
+    from openhands.runtime.impl.docker.docker_runtime import DockerRuntime
+
+    runtime = _load_runtime(temp_dir, DockerRuntime)
+
+    # Add a test environment variable
+    runtime.add_env_vars({'GITHUB_TOKEN': 'test_token'})
+
+    # Verify the variable is set in current session
+    obs = runtime.run_action(CmdRunAction(command='echo $GITHUB_TOKEN'))
+    assert obs.exit_code == 0
+    assert obs.content.strip().split('\r\n')[0].strip() == 'test_token'
+
+    # Verify the variable is added to .bashrc
+    obs = runtime.run_action(
+        CmdRunAction(command='grep "^export GITHUB_TOKEN=" ~/.bashrc')
+    )
+    assert obs.exit_code == 0
+    assert 'export GITHUB_TOKEN=' in obs.content
+
+    # Test pause/resume cycle
+    runtime.pause()
+    runtime.resume()
+
+    # Verify the variable persists after restart
+    obs = runtime.run_action(CmdRunAction(command='echo $GITHUB_TOKEN'))
+    assert obs.exit_code == 0
+    assert obs.content.strip().split('\r\n')[0].strip() == 'test_token'
+
+    _close_test_runtime(runtime)