Fixes on running job tracing

databricks_job_executor/streamlit_app/components/job_interface.py

@@ -5,6 +5,7 @@
 import streamlit as st
 from typing import Dict, Any
 from streamlit_app.utils.job_manager import get_job_manager
+from streamlit_app.utils.formatters import format_duration, format_timestamp, get_status_emoji
 
 
 class JobInterface:
@@ -96,11 +97,13 @@ def _execute_job(self, job_id: int, job_name: str):
             run_id = self.job_manager.run_job(job_id)
 
         if run_id:
-            # Store running job info
+            # Store running job info with start time in milliseconds for duration calculation
+            current_time_ms = int(time.time() * 1000)
             st.session_state.running_jobs[run_id] = {
                 'job_id': job_id,
                 'job_name': job_name,
                 'start_time': time.strftime('%Y-%m-%d %H:%M:%S'),
+                'start_time_ms': current_time_ms,
                 'status': 'PENDING',
                 'run_id': run_id
             }
@@ -138,9 +141,19 @@ def render_running_jobs(self):
                     st.metric("Start Time", job_info.get('start_time', 'N/A'))
 
                 with col3:
-                    duration = job_info.get('execution_duration', 'N/A')
-                    if duration and duration != 'N/A':
-                        duration = f"{duration // 1000}s"  # Convert ms to seconds
+                    # Calculate duration based on status
+                    if status in ['PENDING', 'RUNNING']:
+                        # For running jobs, calculate elapsed time
+                        start_time_ms = job_info.get('start_time_ms')
+                        if start_time_ms:
+                            elapsed_ms = int(time.time() * 1000) - start_time_ms
+                            duration = format_duration(elapsed_ms)
+                        else:
+                            duration = 'N/A'
+                    else:
+                        # For completed jobs, use execution_duration from API
+                        execution_duration = job_info.get('execution_duration')
+                        duration = format_duration(execution_duration)
                     st.metric("Duration", duration)
 
                 with col4:
@@ -188,6 +201,11 @@ def _update_running_jobs_status(self):
 
                 # Update job info
                 st.session_state.running_jobs[run_id]['status'] = status
+
+                # Update start_time_ms from API if not already set (for restored runs)
+                if status_info.get('start_time') and not st.session_state.running_jobs[run_id].get('start_time_ms'):
+                    st.session_state.running_jobs[run_id]['start_time_ms'] = status_info['start_time']
+
                 if status_info.get('execution_duration'):
                     st.session_state.running_jobs[run_id]['execution_duration'] = status_info['execution_duration']
 
@@ -231,6 +249,50 @@ def _show_job_logs(self, run_id: int):
         else:
             st.info("No logs available yet.")
 
+    def render_last_completed_job(self):
+        """Render section for viewing logs from the last completed job."""
+        if not self.job_manager:
+            return
+
+        job_id = st.session_state.get('databricks_job_id')
+        if not job_id:
+            return
+
+        st.markdown("📜 **Last Completed Job**")
+
+        # Get last completed run
+        last_run = self.job_manager.get_last_completed_run(job_id)
+
+        if not last_run:
+            st.info("No completed job runs found.")
+            return
+
+        run_id = last_run['run_id']
+        status = last_run.get('status', 'UNKNOWN')
+
+        # Get status emoji using utility
+        status_emoji = get_status_emoji(status)
+
+        with st.expander(f"{status_emoji} Run {run_id}: {last_run['job_name']} - {status}", expanded=False):
+            col1, col2, col3 = st.columns(3)
+
+            with col1:
+                st.metric("Status", status)
+
+            with col2:
+                # Format timestamp using utility
+                completed_at = format_timestamp(last_run.get('start_time_ms'))
+                st.metric("Completed At", completed_at)
+
+            with col3:
+                # Format duration using utility
+                duration = format_duration(last_run.get('execution_duration'))
+                st.metric("Duration", duration)
+
+            # Button to view logs
+            if st.button("📋 View Logs", key=f"last_logs_{run_id}"):
+                self._show_job_logs(run_id)
+
     def render(self):
         """Render the complete job interface."""
         self.update_connection()
@@ -246,4 +308,9 @@ def render(self):
         # Running jobs status
         if st.session_state.running_jobs:
             st.divider()
-            self.render_running_jobs()
+            self.render_running_jobs()
+
+        # Last completed job (for viewing logs after job finishes)
+        if st.session_state.get('databricks_job_id'):
+            st.divider()
+            self.render_last_completed_job()

databricks_job_executor/streamlit_app/components/ui/initializers.py

@@ -56,11 +56,46 @@ def initialize_job_state():
 
     if 'running_jobs' not in st.session_state:
         st.session_state.running_jobs = {}
+        # Restore active runs from Databricks on first load
+        _restore_active_runs()
 
     if 'job_logs' not in st.session_state:
         st.session_state.job_logs = {}
 
 
+def _restore_active_runs():
+    """Query Databricks for active runs of the configured job and restore them."""
+    from streamlit_app.utils.job_manager import get_job_manager
+    from streamlit_app.utils.formatters import format_timestamp
+
+    job_id = st.session_state.get('databricks_job_id')
+    if not job_id:
+        return
+
+    try:
+        job_manager = get_job_manager()
+        if not job_manager:
+            return
+
+        active_runs = job_manager.get_active_runs(job_id)
+
+        for run_info in active_runs:
+            run_id = run_info['run_id']
+            start_time_ms = run_info.get('start_time_ms')
+
+            st.session_state.running_jobs[run_id] = {
+                'job_id': run_info['job_id'],
+                'job_name': run_info['job_name'],
+                'start_time': format_timestamp(start_time_ms),
+                'start_time_ms': start_time_ms,
+                'status': run_info['status'],
+                'run_id': run_id
+            }
+    except Exception:
+        # Silently fail - don't block initialization
+        pass
+
+
 def initialize_environment_state(db_env: dict):
     """Initialize environment-related state."""
     st.session_state.databricks_env = db_env

databricks_job_executor/streamlit_app/utils/formatters.py

@@ -0,0 +1,73 @@
+"""
+Formatting utilities for display in the Databricks Job Executor UI.
+"""
+import time
+from typing import Optional
+
+
+def format_duration(duration_ms: Optional[int]) -> str:
+    """
+    Format duration in milliseconds to human-readable string.
+
+    Args:
+        duration_ms: Duration in milliseconds
+
+    Returns:
+        Human-readable duration string (e.g., "2m 30s")
+    """
+    if not duration_ms or duration_ms < 0:
+        return 'N/A'
+
+    total_seconds = duration_ms // 1000
+    hours = total_seconds // 3600
+    minutes = (total_seconds % 3600) // 60
+    seconds = total_seconds % 60
+
+    if hours > 0:
+        return f"{hours}h {minutes}m {seconds}s"
+    elif minutes > 0:
+        return f"{minutes}m {seconds}s"
+    else:
+        return f"{seconds}s"
+
+
+def format_timestamp(timestamp_ms: Optional[int]) -> str:
+    """
+    Format timestamp in milliseconds to human-readable datetime string.
+
+    Args:
+        timestamp_ms: Timestamp in milliseconds since epoch
+
+    Returns:
+        Formatted datetime string (e.g., "2026-01-12 10:30:45")
+    """
+    if not timestamp_ms:
+        return 'N/A'
+
+    return time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(timestamp_ms / 1000))
+
+
+def get_status_emoji(status: str) -> str:
+    """
+    Get emoji representation for job status.
+
+    Args:
+        status: Job status string
+
+    Returns:
+        Emoji string representing the status
+    """
+    status_upper = status.upper()
+
+    if status_upper == 'SUCCESS':
+        return '✅'
+    elif status_upper == 'FAILED':
+        return '❌'
+    elif status_upper in ['CANCELLED', 'CANCELED']:
+        return '⚠️'
+    elif status_upper == 'RUNNING':
+        return '🏃'
+    elif status_upper == 'PENDING':
+        return '⏳'
+    else:
+        return '🔘'

databricks_job_executor/streamlit_app/utils/job_manager.py

@@ -5,6 +5,7 @@
 import streamlit as st
 from typing import List, Dict, Any, Optional, Tuple
 from streamlit_app.utils.databricks_env import get_databricks_client, validate_connection
+from streamlit_app.utils.job_run_parser import extract_run_metadata, parse_run_state
 from streamlit_app.components.ui.handlers import (
     handle_api_error, handle_job_execution_error, handle_job_cancellation_error,
     show_logs_load_error
@@ -130,6 +131,70 @@ def run_job(self, job_id: int) -> Optional[int]:
             handle_api_error("job execution", str(e))
             return None
 
+    def get_active_runs(self, job_id: int) -> List[Dict[str, Any]]:
+        """
+        Get active (running or pending) runs for a specific job.
+
+        Args:
+            job_id: The job ID to check for active runs
+
+        Returns:
+            List of active run information dictionaries
+        """
+        if not self._ensure_client():
+            return []
+
+        try:
+            runs = list(self.client.jobs.list_runs(job_id=job_id, active_only=True))
+
+            active_runs = []
+            for run in runs:
+                if not hasattr(run, 'run_id') or not run.run_id:
+                    continue
+
+                # Use parser utility for consistent data extraction
+                run_data = extract_run_metadata(run, job_id)
+                active_runs.append(run_data)
+
+            return active_runs
+
+        except Exception:
+            # Silently fail - don't disrupt UI
+            return []
+
+    def get_last_completed_run(self, job_id: int) -> Optional[Dict[str, Any]]:
+        """
+        Get the last completed run for a specific job.
+
+        Args:
+            job_id: The job ID to check for completed runs
+
+        Returns:
+            Last completed run information or None if not found
+        """
+        if not self._ensure_client():
+            return None
+
+        try:
+            runs = list(self.client.jobs.list_runs(job_id=job_id, limit=10))
+
+            # Find the most recent terminated run
+            for run in runs:
+                if not hasattr(run, 'run_id') or not run.run_id:
+                    continue
+
+                # Use parser to extract state
+                state = parse_run_state(run)
+
+                # Only return terminated runs
+                if state['lifecycle_state'] == 'TERMINATED':
+                    return extract_run_metadata(run, job_id)
+
+            return None
+
+        except Exception:
+            return None
+
     def get_run_status(self, run_id: int) -> Optional[Dict[str, Any]]:
         """
         Get the status of a job run.
@@ -161,6 +226,7 @@ def get_run_status(self, run_id: int) -> Optional[Dict[str, Any]]:
                     'result_state': result_state,
                 },
                 'execution_duration': run_info.execution_duration if hasattr(run_info, 'execution_duration') else None,
+                'start_time': run_info.start_time if hasattr(run_info, 'start_time') else None,
                 'tasks': run_info.tasks if hasattr(run_info, 'tasks') else [],
             }