capture exit code (#37)

* capture exit code

more attempts at getting timeout test failure reason
bump version

* update page title

frontend/src/TaskDetail.js

@@ -37,7 +37,7 @@ export default class TaskDetail extends React.Component {
     API.get(`/api/tasks/${this.props.params.id}/`, (payload, error) => {
       let execution = null;
       if (payload) {
-        document.title = `YAWN - Task ${payload.name}`;
+        document.title = `YAWN - Task: ${payload.name}`;
         // keep the currently selected execution, or get the latest
         execution = this.state.execution || payload.executions.length;
 

frontend/src/UserDetail.js

@@ -20,7 +20,7 @@ export default class UserDetail extends React.Component {
     } else {
       API.get(`/api/users/${this.props.params.id}/`, (payload, error) => {
         if (payload) {
-          document.title = `YAWN - User ${payload.username}`;
+          document.title = `YAWN - User: ${payload.username}`;
         }
         this.setState({user: payload, error});
       });

frontend/src/WorkerDetail.js

@@ -15,7 +15,7 @@ export default class WorkerDetail extends React.Component {
       this.setState({worker: payload, error});
 
       if (payload) {  // only get if worker returns... not strictly necessary
-        document.title = `YAWN - Worker ${payload.name}`;
+        document.title = `YAWN - Worker: ${payload.name}`;
         API.get(`/api/executions/?worker=${this.props.params.id}`, (payload, error) => {
           this.setState({executions: payload, error});
         });

frontend/src/WorkerList.js

@@ -21,7 +21,7 @@ export default class WorkerList extends React.Component {
     if (this.state.workers === null) {
       return (
         <tr>
-          <td colSpan="3">Loading...</td>
+          <td colSpan="4">Loading...</td>
         </tr>
       )
     } else {

frontend/src/WorkflowDetail.js

@@ -25,7 +25,7 @@ export default class WorkflowDetail extends React.Component {
   loadWorkflow(version) {
     API.get(`/api/workflows/${version}/`, (payload, error) => {
       if (payload) {
-        document.title = `YAWN - Workflow ${payload.name}`;
+        document.title = `YAWN - Workflow: ${payload.name}`;
       }
       this.setState({workflow: payload, error});
     });

frontend/src/tests/__snapshots__/WorkerList.test.js.snap

@@ -33,7 +33,7 @@ exports[`WorkerList failure 1`] = `
     <tbody>
       <tr>
         <td
-          colSpan="3"
+          colSpan="4"
         >
           Loading...
         </td>
@@ -70,7 +70,7 @@ exports[`WorkerList loading 1`] = `
     <tbody>
       <tr>
         <td
-          colSpan="3"
+          colSpan="4"
         >
           Loading...
         </td>

setup.py

@@ -22,7 +22,7 @@
     # Versions should comply with PEP440.  For a discussion on single-sourcing
     # the version across setup.py and the project code, see
     # https://packaging.python.org/en/latest/single_source_version.html
-    version='0.2.1',
+    version='0.2.2',
 
     description='Yet Another Workflow Engine, a subprocess-based DAG execution system',
     long_description=long_description,

yawn/task/models.py

@@ -181,5 +181,6 @@ def mark_finished(self, exit_code=None, lost=False):
                 self.task.run.update_status()
 
         self.stop_timestamp = functions.Now()
+        self.exit_code = exit_code
         # need to be careful not to overwrite stdout/stderr
-        self.save(update_fields=['status', 'stop_timestamp'])
+        self.save(update_fields=['status', 'stop_timestamp', 'exit_code'])

yawn/worker/executor.py

@@ -25,7 +25,7 @@ def __init__(self, execution_id):
 
     def __str__(self):
         return 'Result(id={}, stdout={}, stderr={}, returncode={})'.format(
-            self.execution_id, bool(self.stdout), bool(self.stderr), self.returncode)
+            self.execution_id, self.stdout, self.stderr, self.returncode)
 
 
 class Execution:
@@ -39,7 +39,7 @@ def __init__(self, process, execution_id, timeout):
 
     def __str__(self):
         return 'Result(id={}, stdout={}, stderr={}, returncode={})'.format(
-            self.id, bool(self.process.stdout), bool(self.process.stderr), self.process.returncode)
+            self.id, self.process.stdout, self.process.stderr, self.process.returncode)
 
 
 class Manager:
@@ -71,8 +71,6 @@ def start_subprocess(self, execution_id: int, command: str, environment: dict, t
             # all variables must be strings, be explicit so it fail in our code
             process_environment[key] = str(value)
 
-        logger.info('Starting execution #%s', execution_id)
-
         process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
                                    preexec_fn=os.setpgrp, env=process_environment, shell=True)
 
@@ -155,14 +153,13 @@ def read_output(self, timeout=0.1) -> typing.List[Result]:
                 continue  # we'll check again later
 
             # we may not have read everything available, so only cleanup after all pipes are closed
-            open_pipes = {execution.process.stdout.raw, execution.process.stderr.raw
-                          } & set(self.pipes.keys())
+            open_pipes = (
+                {execution.process.stdout.raw, execution.process.stderr.raw}
+                & set(self.pipes.keys())
+            )
             if not open_pipes:
                 result = all_results.setdefault(execution.id, Result(execution.id))
                 result.returncode = execution.process.returncode
-                run_time = time.monotonic() - execution.start_time
-                logger.info('Execution #%s exited with code %s after %s seconds',
-                            execution.id, result.returncode, run_time)
                 del self.running[execution.id]
 
         return list(all_results.values())

yawn/worker/main.py

@@ -24,7 +24,7 @@ class State(enum.Enum):
 
 
 class Main:
-    results = None  # type: typing.List[Result]
+    results = None  # type: typing.Deque[Result]
     executor = None
     state = State.stopped
     worker = None