AddTransformations and AddTransformation methods for table panel

grafonnet/grafana.libsonnet

@@ -27,4 +27,5 @@
   gaugePanel:: import 'gauge_panel.libsonnet',
   barGaugePanel:: import 'bar_gauge_panel.libsonnet',
   statPanel:: import 'stat_panel.libsonnet',
+  transformation:: import 'transformation.libsonnet',
 }

grafonnet/table_panel.libsonnet

@@ -24,6 +24,8 @@
    * @method addColumn(field, style) Adds a column
    * @method hideColumn(field) Hides a column
    * @method addLink(link) Adds a link
+   * @method addTransformation(transformation) Adds a transformation object
+   * @method addTransformations(transformations) Adds an array of transformations
    */
   new(
     title,
@@ -81,5 +83,9 @@
     addLink(link):: self {
       links+: [link],
     },
+    addTransformation(transformation):: self {
+      transformations+: [transformation],
+    },
+    addTransformations(transformations):: std.foldl(function(p, t) p.addTransformation(t), transformations, self),
   },
 }

grafonnet/transformation.libsonnet

@@ -0,0 +1,12 @@
+{
+  /**
+   * @name transformation.new
+   */
+  new(
+    id='',
+    options={}
+  ):: {
+    id: id,
+    options: options,
+  },
+}

tests/table_panel/test.jsonnet

@@ -1,5 +1,6 @@
 local grafana = import 'grafonnet/grafana.libsonnet';
 local tablePanel = grafana.tablePanel;
+local transformation = grafana.transformation;
 
 {
   basic: tablePanel.new(
@@ -46,6 +47,45 @@ local tablePanel = grafana.tablePanel;
       tablePanel.new('with batch targets', span=12)
       .addTargets([{ a: 'foo' }, { b: 'foo' }]),
     ],
+  transformations:
+    [
+      tablePanel.new('with transformations', span=12)
+      .addTransformation(transformation.new('seriesToColumns', options={
+        byField: 'instance',
+      }))
+      .addTransformation(transformation.new('filterFieldsByName', options={
+        include: {
+          names: [
+            'instance',
+          ],
+        },
+      })),
+      tablePanel.new('with batch transformations', span=12)
+      .addTransformations([
+        transformation.new('filterFieldsByName', options={
+          include: {
+            names: [
+              'instance',
+              'nodename',
+              'Value #D',
+              'Value #B',
+              'Value #C',
+              'Value #E',
+              'Value #F',
+              'Value #G',
+              'Value #H',
+              'Value #I',
+              'Value #J',
+              'Value #K',
+              'Value #L',
+            ],
+          },
+        }),
+        transformation.new('seriesToColumns', options={
+          byField: 'instance',
+        }),
+      ]),
+    ],
   hideColumns: tablePanel.new(
     'test',
     span=12,

tests/table_panel/test_compiled.json

@@ -124,5 +124,79 @@
          "title": "with batch targets",
          "type": "table"
       }
+   ],
+   "transformations": [
+      {
+         "columns": [ ],
+         "datasource": null,
+         "links": [ ],
+         "span": 12,
+         "styles": [ ],
+         "targets": [ ],
+         "timeFrom": null,
+         "timeShift": null,
+         "title": "with transformations",
+         "transformations": [
+            {
+               "id": "seriesToColumns",
+               "options": {
+                  "byField": "instance"
+               }
+            },
+            {
+               "id": "filterFieldsByName",
+               "options": {
+                  "include": {
+                     "names": [
+                        "instance"
+                     ]
+                  }
+               }
+            }
+         ],
+         "type": "table"
+      },
+      {
+         "columns": [ ],
+         "datasource": null,
+         "links": [ ],
+         "span": 12,
+         "styles": [ ],
+         "targets": [ ],
+         "timeFrom": null,
+         "timeShift": null,
+         "title": "with batch transformations",
+         "transformations": [
+            {
+               "id": "filterFieldsByName",
+               "options": {
+                  "include": {
+                     "names": [
+                        "instance",
+                        "nodename",
+                        "Value #D",
+                        "Value #B",
+                        "Value #C",
+                        "Value #E",
+                        "Value #F",
+                        "Value #G",
+                        "Value #H",
+                        "Value #I",
+                        "Value #J",
+                        "Value #K",
+                        "Value #L"
+                     ]
+                  }
+               }
+            },
+            {
+               "id": "seriesToColumns",
+               "options": {
+                  "byField": "instance"
+               }
+            }
+         ],
+         "type": "table"
+      }
    ]
 }

tests/transformation/test.jsonnet

@@ -0,0 +1,11 @@
+local grafana = import 'grafonnet/grafana.libsonnet';
+local transformation = grafana.transformation;
+
+{
+  basic: transformation.new(),
+  advanced: transformation.new(
+    'seriesToColumns', options={
+      byField: 'instance',
+    }
+  ),
+}

tests/transformation/test_compiled.json

@@ -0,0 +1,12 @@
+{
+   "advanced": {
+      "id": "seriesToColumns",
+      "options": {
+         "byField": "instance"
+      }
+   },
+   "basic": {
+      "id": "",
+      "options": { }
+   }
+}