Add support for seriesOverrides

Reference: https://github.com/grafana/grafana/blob/master/public/app/plugins/panels/graph/seriesOverridesCtrl.js#L94

Change-Id: I22743f566b32aaa5527237dd023551a8f3a3dbc4

grafana_dashboards/schema/panel/graph.py

@@ -93,6 +93,26 @@ class Graph(Base):
             v.Required('value_type', default='cumulative'): v.All(value_types),
         }
 
+        series_override = {
+            v.Required('alias'): v.All(str, v.Length(min=1)),
+            v.Optional('bars'): v.All(bool),
+            v.Optional('lines'): v.All(bool),
+            v.Optional('fill'): v.All(int, v.Range(min=1, max=10)),
+            v.Optional('width'): v.All(int, v.Range(min=1, max=10)),
+            v.Optional('nullPointMode'): v.All(null_point_modes),
+            v.Optional('fillBelowTo'): v.All(str),
+            v.Optional('steppedLine'): v.All(bool),
+            v.Optional('points'): v.All(bool),
+            v.Optional('pointsradius'): v.All(int, v.Range(min=1, max=5)),
+            v.Optional('stack'): v.All(v.Any(bool, 'A', 'B', 'C', 'D')),
+            v.Optional('color'): v.All(str),
+            v.Optional('yaxis'): v.All(int, v.Range(min=1, max=2)),
+            v.Optional('zindex'): v.All(int, v.Range(min=-3, max=3)),
+            v.Optional('transform'): v.All(v.Any('negative-Y')),
+            v.Optional('legend'): v.All(bool),
+        }
+        series_overrides = [series_override]
+
         graph = {
             v.Required('bars', default=False): v.All(bool),
             v.Required('fill', default=1): v.All(int),
@@ -104,6 +124,8 @@ class Graph(Base):
             v.Required('pointradius', default=5): v.All(int),
             v.Required('points', default=False): v.All(bool),
             v.Optional('rightYAxisLabel'): v.All(str, v.Length(min=1)),
+            v.Optional('seriesOverrides'): v.All(series_overrides,
+                                                 v.Length(min=1)),
             v.Required('stack', default=False): v.All(bool),
             v.Required('steppedLine', default=False): v.All(bool),
             v.Required('targets', default=[]): v.All(list),

tests/schema/fixtures/dashboard-0013.json

@@ -0,0 +1,62 @@
+{
+    "dashboard": {
+        "new-dashboard": {
+            "rows": [
+                {
+                    "collapse": false,
+                    "editable": true,
+                    "height": "250px",
+                    "panels": [
+                        {
+                            "bars": false,
+                            "editable": true,
+                            "error": false,
+                            "fill": 1,
+                            "lines": true,
+                            "linewidth": 2,
+                            "percentage": false,
+                            "pointradius": 5,
+                            "points": false,
+                            "seriesOverrides": [
+                                {
+                                    "alias": "foo",
+                                    "bars": true,
+                                    "color": "#ff00ff",
+                                    "fill": 5,
+                                    "fillBelowTo": "something",
+                                    "legend": true,
+                                    "lines": true,
+                                    "nullPointMode": "null as zero",
+                                    "points": true,
+                                    "pointsradius": 3,
+                                    "stack": true,
+                                    "steppedLine": true,
+                                    "transform": "negative-Y",
+                                    "width": 5,
+                                    "yaxis": 2,
+                                    "zindex": 1
+                                },
+                                {
+                                    "alias": "bar",
+                                    "stack": "A"
+                                }
+                            ],
+                            "span": 12,
+                            "stack": false,
+                            "steppedLine": false,
+                            "targets": [],
+                            "title": "no title (click here)",
+                            "type": "graph",
+                            "x-axis": true,
+                            "y-axis": true
+                        }
+                    ],
+                    "showTitle": false,
+                    "title": "New row"
+                }
+            ],
+            "timezone": "utc",
+            "title": "New dashboard"
+        }
+    }
+}

tests/schema/fixtures/dashboard-0013.yaml

@@ -0,0 +1,27 @@
+dashboard:
+  title: New dashboard
+  rows:
+    - title: New row
+      height: 250px
+      panels:
+          - title: no title (click here)
+            type: graph
+            seriesOverrides:
+              - alias: foo
+                bars: True
+                lines: True
+                fill: 5
+                width: 5
+                nullPointMode: null as zero
+                fillBelowTo: something
+                steppedLine: True
+                points: True
+                pointsradius: 3
+                stack: True
+                color: '#ff00ff'
+                yaxis: 2
+                zindex: 1
+                transform: negative-Y
+                legend: True
+              - alias: bar
+                stack: A