WIP: containers dashboard - loki logs

roles/alpina/templates/services/monitoring/grafana_config/dashboards/containers.dashboard.py

@@ -1,11 +1,23 @@
 from grafanalib.core import (
     Dashboard, TimeSeries,
     Target, GridPos,
-    Templating, Template, REFRESH_ON_TIME_RANGE_CHANGE
+    Templating, Template, REFRESH_ON_TIME_RANGE_CHANGE, Logs
 )
 from grafanalib.formatunits import BYTES_IEC, SECONDS, BYTES_SEC_IEC
 
 prom_datasource='prometheus'
+loki_datasource='loki'
+
+# TODO: this is (clown emoji), normal Target gave me errors in grafana
+class LokiTarget(object):
+    def to_json_data(self):
+        return {
+            'datasource': loki_datasource,
+            'expr': '{compose_project=~"$compose_project", container_name=~"$container_name"} |= `$logs_query`',
+            'legendFormat': '{{ container_name }}',
+            'refId': 'A',
+            'queryType': 'range',
+        }
 
 dashboard = Dashboard(
     title='Containers',
@@ -34,6 +46,12 @@ dashboard = Dashboard(
             refresh=REFRESH_ON_TIME_RANGE_CHANGE,
 
         ),
+        Template(
+            name='logs_query',
+            label='Log Search',
+            query='',
+            type='textbox',
+        ),
     ]),
     timezone='browser',
     panels=[
@@ -91,5 +109,23 @@ dashboard = Dashboard(
                 ),
             ],
         ),
+        Logs(
+            title='',
+            gridPos=GridPos(h=8, w=12, x=12, y=8),
+            showLabels=True,
+            showCommonLabels=True,
+            wrapLogMessages=True,
+            prettifyLogMessage=True,
+            dedupStrategy='numbers',
+            targets=[
+                LokiTarget(),
+                # Target(
+                #     datasource=loki_datasource,
+                #     expr='{compose_project=~"$compose_project", container_name=~"$container_name"} |= `$logs_query`',
+                #     legendFormat='{{ container_name }}',
+                #     refId='A',
+                # ),
+            ],
+        ),
     ],
 ).auto_panel_ids()