From 9b9465502af9642874105f2002e351c040cad6d5 Mon Sep 17 00:00:00 2001
From: Franziska Kunsmann <hi@kunsmann.eu>
Date: Sun, 2 May 2021 11:55:34 +0200
Subject: [PATCH] bundles/grafana: add postfix graph

---
 bundles/grafana/dashboard-rows/postfix.py | 128 ++++++++++++++++++++++
 bundles/grafana/items.py                  |   4 +
 2 files changed, 132 insertions(+)
 create mode 100644 bundles/grafana/dashboard-rows/postfix.py

diff --git a/bundles/grafana/dashboard-rows/postfix.py b/bundles/grafana/dashboard-rows/postfix.py
new file mode 100644
index 0000000..e1a186e
--- /dev/null
+++ b/bundles/grafana/dashboard-rows/postfix.py
@@ -0,0 +1,128 @@
+def dashboard_row_postfix(panel_id, node):
+    queries = []
+
+    for measurement in [
+        'active',
+        'corrupt',
+        'deferred',
+        'hold',
+        'incoming',
+    ]:
+        queries.append({
+            'groupBy': [
+                {'type': 'time', 'params': ['$__interval']},
+                {'type': 'fill', 'params': ['linear']},
+            ],
+            'orderByTime': "ASC",
+            'policy': "default",
+            'query': f"""from(bucket: "telegraf")
+    |> range(start: v.timeRangeStart, stop: v.timeRangeStop)
+    |> filter(fn: (r) =>
+        r["_measurement"] == "postfix_queue" and
+        r["_field"] == "count" and
+        r["status"] == "{measurement}" and
+        r["host"] == "{node.name}"
+    )
+    |> rename(columns: {{_field: "{measurement}"}})
+    |> aggregateWindow(every: v.windowPeriod, fn: mean, createEmpty: false)
+    |> yield(name: "{measurement}")""",
+            'resultFormat': 'time_series',
+            'select': [[
+                {'type': 'field', 'params': ['value']},
+                {'type': 'mean', 'params': []},
+            ]],
+            "tags": []
+        })
+
+    return {
+        'title': 'postfix',
+        'collapse': False,
+        'editable': False,
+        'height': '200px',
+        'panels': [
+            {
+                'aliasColors': {},
+                'bars': False,
+                'dashLength': 10,
+                'dashes': False,
+                'datasource': None,
+                'fieldConfig': {
+                    'defaults': {
+                        'displayName': '${__field.name}'
+                    },
+                    'overrides': []
+                },
+                'fill': 1,
+                'fillGradient': 0,
+                'hiddenSeries': False,
+                'id': next(panel_id),
+                'legend': {
+                    'alignAsTable': False,
+                    'avg': False,
+                    'current': False,
+                    'max': False,
+                    'min': False,
+                    'rightSide': False,
+                    'show': True,
+                    'total': False,
+                    'values': False
+                },
+                'lines': True,
+                'linewidth': 1,
+                'NonePointMode': 'None',
+                'options': {
+                    'alertThreshold': True
+                },
+                'percentage': False,
+                'pluginVersion': '7.5.5',
+                'pointradius': 2,
+                'points': False,
+                'renderer': 'flot',
+                'seriesOverrides': [],
+                'spaceLength': 10,
+                'span': 12,
+                'stack': True,
+                'steppedLine': False,
+                'targets': queries,
+                'thresholds': [],
+                'timeRegions': [],
+                'title': 'postfix queue',
+                'tooltip': {
+                    'shared': True,
+                    'sort': 0,
+                    'value_type': 'individual'
+                },
+                'type': 'graph',
+                'xaxis': {
+                    'buckets': None,
+                    'mode': 'time',
+                    'name': None,
+                    'show': True,
+                    'values': []
+                },
+                'yaxes': [
+                    {
+                        'format': 'short',
+                        'label': None,
+                        'logBase': 1,
+                        'max': None,
+                        'min': 0,
+                        'show': True,
+                        'decimals': 0,
+                    },
+                    {
+                        'format': 'short',
+                        'label': None,
+                        'logBase': 1,
+                        'max': None,
+                        'min': None,
+                        'show': False,
+                    }
+                ],
+                'yaxis': {
+                    'align': False,
+                    'alignLevel': None
+                }
+            },
+        ],
+    }
diff --git a/bundles/grafana/items.py b/bundles/grafana/items.py
index 26a93d9..7304e1c 100644
--- a/bundles/grafana/items.py
+++ b/bundles/grafana/items.py
@@ -94,6 +94,10 @@ for rnode in repo.nodes:
         dashboard['rows'].append(dashboard_row_nginx(panel_id, rnode))
         dashboard['tags'].add('nginx')
 
+    if rnode.has_bundle('postfix'):
+        dashboard['rows'].append(dashboard_row_postfix(panel_id, rnode))
+        dashboard['tags'].add('postfix')
+
     files[f'/var/lib/grafana/dashboards/{rnode.name}.json'] = {
         # use metadata_to_json, because this supports sets
         'content': metadata_to_json(dashboard),