src/pobsync_backend/templates/pobsync_backend/logs.html

@@ -29,6 +29,22 @@
           {% endfor %}
         </select>
       </div>
+      <div class="field">
+        <label for="window">Time window</label>
+        <select id="window" name="window">
+          {% for value, label in time_windows.items %}
+            <option value="{{ value }}" {% if selected_window == value %}selected{% endif %}>{{ label }}</option>
+          {% endfor %}
+        </select>
+      </div>
+      <div class="field">
+        <label for="host">Host contains</label>
+        <input id="host" name="host" value="{{ host_filter }}" placeholder="web-01.example.test">
+      </div>
+      <div class="field">
+        <label for="run">Run</label>
+        <input id="run" name="run" value="{{ run_filter }}" inputmode="numeric" placeholder="12">
+      </div>
       <div class="field">
         <label for="q">Message contains</label>
         <input id="q" name="q" value="{{ query }}">

src/pobsync_backend/tests/test_views.py

@@ -150,21 +150,41 @@ class ViewTests(TestCase):
         completed = subprocess.CompletedProcess(
             args=["journalctl"],
             returncode=0,
-            stdout="2026-05-19 pobsync-worker.service failed backup\n2026-05-19 pobsync-web.service started\n",
+            stdout=(
+                "2026-05-19 pobsync-worker.service web-01 failed backup run 12\n"
+                "2026-05-19 pobsync-worker.service web-02 failed backup run 12\n"
+                "2026-05-19 pobsync-web.service web-01 started run 12\n"
+            ),
             stderr="",
         )
 
         with patch("pobsync_backend.views.shutil.which", return_value="/usr/bin/journalctl"), patch(
             "pobsync_backend.views.subprocess.run", return_value=completed
         ) as run:
-            response = self.client.get(reverse("logs"), {"unit": "pobsync-worker.service", "priority": "0..3", "q": "failed"})
+            response = self.client.get(
+                reverse("logs"),
+                {
+                    "unit": "pobsync-worker.service",
+                    "priority": "0..3",
+                    "window": "6h",
+                    "host": "web-01",
+                    "run": "12",
+                    "q": "failed",
+                },
+            )
 
         self.assertEqual(response.status_code, 200)
         self.assertContains(response, "Logs")
-        self.assertContains(response, "failed backup")
+        self.assertContains(response, "web-01 failed backup run 12")
+        self.assertNotContains(response, "web-02 failed backup run 12")
         self.assertNotContains(response, "started")
-        self.assertIn("-u", run.call_args.args[0])
-        self.assertIn("pobsync-worker.service", run.call_args.args[0])
+        command = run.call_args.args[0]
+        self.assertIn("-u", command)
+        self.assertIn("pobsync-worker.service", command)
+        self.assertIn("-p", command)
+        self.assertIn("0..3", command)
+        self.assertIn("--since", command)
+        self.assertIn("6 hours ago", command)
 
     def test_ssh_credentials_view_creates_key(self) -> None:
         self.client.force_login(self.staff_user)

src/pobsync_backend/views.py

@@ -703,8 +703,26 @@ def _log_context(request) -> dict[str, object]:
         "6": "Info",
         "7": "Debug",
     }
+    time_windows = {
+        "1h": "Last hour",
+        "6h": "Last 6 hours",
+        "24h": "Last 24 hours",
+        "7d": "Last 7 days",
+        "": "All available",
+    }
+    since_values = {
+        "1h": "1 hour ago",
+        "6h": "6 hours ago",
+        "24h": "24 hours ago",
+        "7d": "7 days ago",
+    }
     selected_unit = request.GET.get("unit", "")
     priority = request.GET.get("priority", "0..4")
+    time_window = request.GET.get("window", "24h")
+    if time_window not in time_windows:
+        time_window = "24h"
+    host_filter = request.GET.get("host", "").strip()
+    run_filter = request.GET.get("run", "").strip()
     query = request.GET.get("q", "").strip()
     lines = []
     error = ""
@@ -713,6 +731,8 @@ def _log_context(request) -> dict[str, object]:
         error = "journalctl is not available in this runtime."
     else:
         command = ["journalctl", "--no-pager", "-n", "300", "-o", "short-iso"]
+        if time_window:
+            command.extend(["--since", since_values[time_window]])
         if selected_unit in units:
             command.extend(["-u", selected_unit])
         else:
@@ -725,16 +745,38 @@ def _log_context(request) -> dict[str, object]:
             error = result.stderr.strip() or "Could not read journal logs."
         else:
             lines = result.stdout.splitlines()
-            if query:
-                lowered_query = query.lower()
-                lines = [line for line in lines if lowered_query in line.lower()]
+            lines = _filter_log_lines(lines, query=query, host=host_filter, run_id=run_filter)
 
     return {
         "units": units,
         "priorities": priorities,
+        "time_windows": time_windows,
         "selected_unit": selected_unit,
         "selected_priority": priority,
+        "selected_window": time_window,
+        "host_filter": host_filter,
+        "run_filter": run_filter,
         "query": query,
         "lines": lines,
         "error": error,
     }
+
+
+def _filter_log_lines(lines: list[str], *, query: str, host: str, run_id: str) -> list[str]:
+    filters = []
+    if query:
+        filters.append(lambda line: query.lower() in line.lower())
+    if host:
+        filters.append(lambda line: host.lower() in line.lower())
+    if run_id:
+        run_tokens = (
+            f"run {run_id}",
+            f"run={run_id}",
+            f"run_id={run_id}",
+            f"run-{run_id}",
+            f"#{run_id}",
+        )
+        filters.append(lambda line: any(token in line.lower() for token in run_tokens))
+    if not filters:
+        return lines
+    return [line for line in lines if all(matches(line) for matches in filters)]