Simpler API for Grizzly resources (grafana#635)

* Simpler API for Grizzly resources

* lint, and add necessary resource.libsonnet

grizzly/check.libsonnet

@@ -0,0 +1,7 @@
+local resource = import 'resource.libsonnet';
+{
+  new(type, name, check)::
+    resource.new('SyntheticMonitoringCheck', name)
+    + resource.addMetadata('type', type)
+    + resource.withSpec(check),
+}

grizzly/grafana.libsonnet

@@ -1,3 +1,4 @@
+local resource = import 'resource.libsonnet';
 local util = import 'util.libsonnet';
 
 {
@@ -18,4 +19,24 @@ local util = import 'util.libsonnet';
       }
     for key in std.objectFields(mixins)
   },
+
+  dashboard: {
+    new(name, dashboard_json)::
+      resource.new('Dashboard', name)
+      + resource.withSpec(dashboard_json),
+  },
+
+  folder: {
+    new(name, title)::
+      resource.new('DashboardFolder', name)
+      + resource.withSpec({
+        title: title,
+      }),
+  },
+
+  datasource: {
+    new(name, datasource_json)::
+      resource.new('Datasource', name)
+      + resource.withSpec(datasource_json),
+  },
 }

grizzly/grizzly.libsonnet

@@ -15,4 +15,12 @@ local prometheus = import 'prometheus.libsonnet';
                 + prometheus.fromMapsFiltered(main.prometheusRules, mixinRules)
                 + prometheus.fromMixins(main.mixins),
   },
+
+  resource: (import 'resource.libsonnet'),
+  dashboard: grafana.dashboard,
+  folder: grafana.folder,
+  datasource: grafana.datasource,
+  rule_group: prometheus.rule_group,
+  synthetic_monitoring_check: (import 'check.libsonnet'),
+
 }

grizzly/prometheus.libsonnet

@@ -2,6 +2,8 @@ local util = import 'util.libsonnet';
 local kind = 'PrometheusRuleGroup';
 local recordingRules = 'prometheusRules';
 local alertRules = 'prometheusAlerts';
+local resource = import 'resource.libsonnet';
+
 {
   getMixinRuleNames(mixins)::
     local flatMixins = [mixins[key] for key in std.objectFieldsAll(mixins)];
@@ -27,4 +29,11 @@ local alertRules = 'prometheusAlerts';
       )
     for key in std.objectFields(mixins)
   },
+
+  rule_group: {
+    new(namespace, name, group)::
+      resource.new('PrometheusRuleGroup', name)
+      + resource.addMetadata('namespace', namespace)
+      + resource.withSpec(group),
+  },
 }

grizzly/resource.libsonnet

@@ -0,0 +1,22 @@
+{
+  defaultApiVersion:: 'grizzly.grafana.com/v1alpha1',
+  new(kind, name):: {
+    apiVersion: $.defaultApiVersion,
+    kind: kind,
+    metadata: {
+      name: name,
+    },
+  },
+  withApiVersion(apiVersion):: {
+    defaultApiVersion:: apiVersion,
+    apiVersion: apiVersion,
+  },
+  addMetadata(name, value):: {
+    metadata+: {
+      [name]: value,
+    },
+  },
+  withSpec(spec):: {
+    spec: spec,
+  },
+}