Reuse StreamPrinter implementation in imix/shell#1837
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KCarretto merged 1 commit intofeat/noninteractive-shell-e2efrom Feb 22, 2026
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Moved `StreamPrinter` from `imix/src/task.rs` to `imix/src/printer.rs` and updated it to distinguish between `Stdout` and `Stderr` using an `OutputKind` enum. Updated `imix/src/shell/repl.rs` to reuse `StreamPrinter` instead of the custom `ShellPrinter`. Refactored `imix/src/task.rs` to use the shared `StreamPrinter` and properly report stderr to `TaskError` field. Updated `imix/src/lib.rs` and `imix/src/main.rs` to include the new `printer` module. This change unifies output handling across the agent and improves maintainability. Co-authored-by: KCarretto <16250309+KCarretto@users.noreply.github.com>
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* Implement Agent Shell Logic and Synchronization (#1832) * Implement agent-side shell features and synchronization - Update `ShellTask` schema with execution timestamps. - Update `c2` and `portal` protocol buffers to support `ShellTask` and `ShellTaskOutput`. - Implement `ClaimTasks` and `ReportTaskOutput` logic for shell tasks in Go backend. - Implement `ShellManager` in Rust agent (`imix`) to manage `Eldritch` interpreters per shell. - Integrate `ShellManager` with `ImixAgent` and `portal` streams for input/output routing. - Ensure shell tasks are claimed and output is buffered/reported correctly. Co-authored-by: KCarretto <16250309+KCarretto@users.noreply.github.com> * Implement agent-side shell features and synchronization - Update `ShellTask` schema with execution timestamps. - Update `c2` and `portal` protocol buffers to support `ShellTask` and `ShellTaskOutput`. - Implement `ClaimTasks` and `ReportTaskOutput` logic for shell tasks in Go backend. - Implement `ShellManager` in Rust agent (`imix`) to manage `Eldritch` interpreters per shell. - Integrate `ShellManager` with `ImixAgent` and `portal` streams for input/output routing. - Ensure shell tasks are claimed and output is buffered/reported correctly. - Fixed `tavern/internal/http/shell/handler.go` by removing invalid `StreamId` initialization. Co-authored-by: KCarretto <16250309+KCarretto@users.noreply.github.com> * Fix ShellPayload compilation error in tavern - Removed invalid `StreamId` field initialization from `portalpb.ShellPayload` struct literal in `tavern/internal/http/shell/handler.go`. - This field was removed from the protobuf definition in a previous commit. Co-authored-by: KCarretto <16250309+KCarretto@users.noreply.github.com> * Fix Rust compilation errors in implants/imix and stdlib - Added missing `shell_task_output: None` to `ReportTaskOutputRequest` struct literals in `implants/imix/src/tests/agent_trait_tests.rs` and `implants/lib/eldritch/stdlib/eldritch-libagent/src/std/report_task_output_impl.rs` to match the updated protobuf definition. Co-authored-by: KCarretto <16250309+KCarretto@users.noreply.github.com> * Run cargo fmt to ensure consistent code style Co-authored-by: KCarretto <16250309+KCarretto@users.noreply.github.com> * Fix ShellPrinter output sequence ID handling - Updated `c2.proto` to include `sequence_id` and `stream_id` in `ShellTask`. - Updated `tavern` to populate these fields when claiming tasks. - Updated `imix` `ShellManager` to propagate `sequence_id` and `stream_id` from input tasks/motes to output motes. - Fixed an issue where output was being dropped in interactive sessions due to mismatched sequence IDs (output motes were using `seq_id: 0`). Co-authored-by: KCarretto <16250309+KCarretto@users.noreply.github.com> --------- Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com> Co-authored-by: KCarretto <16250309+KCarretto@users.noreply.github.com> * delete weird stuff * Separate aggregation of task and shell task outputs in imix agent (#1835) Updated `implants/imix/src/agent.rs` to aggregate `ReportTaskOutputRequest` messages based on their content type: - Standard task outputs (`output` field) are aggregated by `task_id`. - Shell task outputs (`shell_task_output` field) are aggregated by `shell_task_id`. This ensures that shell task outputs are correctly reported and not merged with standard task outputs (or dropped/overwritten if they share the default task context). Also added a new test `test_agent_output_aggregation` in `implants/imix/src/tests/agent_output_aggregation.rs` to verify this behavior. Fixed a missing field `shell_tasks` in `ClaimTasksResponse` construction in `implants/imix/src/tests/task_tests.rs`. Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com> Co-authored-by: KCarretto <16250309+KCarretto@users.noreply.github.com> * fix newline prints * Update shell manager to send shell task output with the result of interpret() (#1843) Refactored `implants/imix/src/shell/manager.rs` to: - Capture the result of `state.interpreter.interpret(&task.input)`. - Use helper functions `send_shell_output` and `send_shell_error` to send `ReportTaskOutputRequest` and `Mote` messages. - Send the `Debug` representation of the result (if not `Value::None`) as task output, consistent with REPL behavior. - Ensure correct `Arc` cloning to avoid borrow checker errors. - Handle interpretation errors by reporting them as task errors. This ensures that return values of shell commands (e.g. `process.list()`) are displayed to the user even if they are not explicitly printed. Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com> Co-authored-by: KCarretto <16250309+KCarretto@users.noreply.github.com> * Refactor imix/shell to reuse StreamPrinter implementation (#1837) Moved `StreamPrinter` from `imix/src/task.rs` to `imix/src/printer.rs` and updated it to distinguish between `Stdout` and `Stderr` using an `OutputKind` enum. Updated `imix/src/shell/repl.rs` to reuse `StreamPrinter` instead of the custom `ShellPrinter`. Refactored `imix/src/task.rs` to use the shared `StreamPrinter` and properly report stderr to `TaskError` field. Updated `imix/src/lib.rs` and `imix/src/main.rs` to include the new `printer` module. This change unifies output handling across the agent and improves maintainability. Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com> Co-authored-by: KCarretto <16250309+KCarretto@users.noreply.github.com> * Fix imix agent stream printing output separation (#1848) - Modified `StreamPrinter` in `implants/imix/src/printer.rs` to use separate channels for stdout and stderr. - Updated `implants/imix/src/task.rs` to instantiate `StreamPrinter` with two channels and consume them concurrently using `tokio::select!`. - Updated `implants/imix/src/shell/repl.rs` to consume both stdout and stderr streams in the REPL loop. - Verified that `eprint` output is correctly routed to the `TaskError` field via existing tests. Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com> Co-authored-by: KCarretto <16250309+KCarretto@users.noreply.github.com> * fixed a panic in eldritch * feat(imix): Implement panic resilience in ShellManager (#1850) * Fix imix shell manager async runtime panic (#1851) * Refactor imix shell manager to run interpreter in blocking task Fixes a panic "Cannot start a runtime from within a runtime" when the eldritch interpreter calls async agent functions (which use `block_on`) from within the imix shell manager's async runtime context. Refactored `ShellManager::handle_task` and `handle_portal_payload` to offload the synchronous `interpreter.interpret` call to `tokio::task::spawn_blocking`. Introduced `run_interpreter_task` helper to manage state transfer between async and blocking contexts. Co-authored-by: KCarretto <16250309+KCarretto@users.noreply.github.com> * Refactor imix shell manager to run interpreter in dedicated blocking thread Refactored `ShellManager` to execute the `eldritch` interpreter in a dedicated, long-running blocking thread (`tokio::task::spawn_blocking`) for each shell session. This solves a panic ("Cannot start a runtime from within a runtime") caused by the interpreter calling `block_on` from within an async runtime context. Introduced `InterpreterCommand` enum and `InterpreterHandle` to manage communication between the async manager and the blocking interpreter thread via `tokio::sync::mpsc` channels. This ensures tasks are processed sequentially and prevents state race conditions. Co-authored-by: KCarretto <16250309+KCarretto@users.noreply.github.com> --------- Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com> Co-authored-by: KCarretto <16250309+KCarretto@users.noreply.github.com> * some small fixes * small cleanup * Refactor shell_manager_tx in portals (#1854) * Refactor shell_manager_tx in portals to use mpsc::Sender directly This change simplifies the passing of `shell_manager_tx` to portal functions by removing the `Arc<Mutex<Option<...>>>` wrapper. The sender is now passed directly as `mpsc::Sender<ShellManagerMessage>`. - Updated `run_create_portal` in `implants/imix/src/portal/mod.rs` to accept `mpsc::Sender`. - Updated `run` and `handle_incoming_mote` in `implants/imix/src/portal/run.rs` to accept `mpsc::Sender` and remove unnecessary locking. - Updated `create_portal` in `implants/imix/src/agent.rs` to extract and clone the sender before spawning the portal task. - `handle_incoming_mote` now uses `try_send` to avoid blocking the portal loop on shell manager backpressure. Co-authored-by: KCarretto <16250309+KCarretto@users.noreply.github.com> * Refactor shell_manager_tx in ImixAgent to be a direct mpsc::Sender - Updated `ImixAgent` struct: `shell_manager_tx` is now `tokio::sync::mpsc::Sender<ShellManagerMessage>`. - Introduced `shell_manager_rx: Arc<Mutex<Option<...>>>` to handle the receiver side in `ImixAgent::new`. - Updated `start_shell_manager` to claim the receiver from `shell_manager_rx`. - Simplified usages of `shell_manager_tx` in `process_job_request` and `create_portal` (removed unnecessary locking/cloning). - This aligns with the requirement that `shell_manager_tx` should not be an Option and should be readily available. Co-authored-by: KCarretto <16250309+KCarretto@users.noreply.github.com> * Refactor shell_manager_tx in ImixAgent to be a direct mpsc::Sender - Updated `ImixAgent` struct: `shell_manager_tx` is now `tokio::sync::mpsc::Sender<ShellManagerMessage>`. - Updated `ImixAgent::new` to accept `shell_manager_tx` as an argument, implementing dependency injection. - Updated `start_shell_manager` to accept a `ShellManager` instance instead of creating the channel internally. - Refactored `run_agent` in `run.rs` to create the channel and `ShellManager` explicitly. - Updated all relevant tests to match the new API. - Simplified usages of `shell_manager_tx` in `process_job_request` and `create_portal` (removed unnecessary locking/cloning/unwrapping). Co-authored-by: KCarretto <16250309+KCarretto@users.noreply.github.com> --------- Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com> Co-authored-by: KCarretto <16250309+KCarretto@users.noreply.github.com> * minor cleanup * remove useless comments --------- Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com> Co-authored-by: KCarretto <16250309+KCarretto@users.noreply.github.com>
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Refactor imix/shell to reuse StreamPrinter implementation
Moved
StreamPrinterfromimix/src/task.rstoimix/src/printer.rsand updated it to distinguish betweenStdoutandStderrusing anOutputKindenum.Updated
imix/src/shell/repl.rsto reuseStreamPrinterinstead of the customShellPrinter.Refactored
imix/src/task.rsto use the sharedStreamPrinterand properly report stderr toTaskErrorfield.Updated
imix/src/lib.rsandimix/src/main.rsto include the newprintermodule.This change unifies output handling across the agent and improves maintainability.
PR created automatically by Jules for task 10663336750935921147 started by @KCarretto