[RAC] [RBAC] working find route for alerts as data client (elastic#10…

…7982)

Addition of a find api to the alerts client to authorize requests using RBAC, updates alerts histograms to use new API on alerts page, updates new alerts aggs data table on alerts page, and updates alerts histogram on overview page.

x-pack/plugins/rule_registry/common/types.ts

@@ -7,6 +7,270 @@
 
 import { estypes } from '@elastic/elasticsearch';
 
+import * as t from 'io-ts';
+
+// note: these schemas are not exhaustive. See the `Sort` type of `@elastic/elasticsearch` if you need to enhance it.
+const fieldSchema = t.string;
+export const sortOrderSchema = t.union([t.literal('asc'), t.literal('desc'), t.literal('_doc')]);
+type SortOrderSchema = 'asc' | 'desc' | '_doc';
+const sortModeSchema = t.union([
+  t.literal('min'),
+  t.literal('max'),
+  t.literal('sum'),
+  t.literal('avg'),
+  t.literal('median'),
+]);
+const fieldSortSchema = t.exact(
+  t.partial({
+    missing: t.union([t.string, t.number, t.boolean]),
+    mode: sortModeSchema,
+    order: sortOrderSchema,
+    // nested and unmapped_type not implemented yet
+  })
+);
+const sortContainerSchema = t.record(t.string, t.union([sortOrderSchema, fieldSortSchema]));
+const sortCombinationsSchema = t.union([fieldSchema, sortContainerSchema]);
+export const sortSchema = t.union([sortCombinationsSchema, t.array(sortCombinationsSchema)]);
+
+export const minDocCount = t.number;
+
+interface BucketAggsSchemas {
+  filter?: {
+    term?: { [x: string]: string | boolean | number };
+  };
+  histogram?: {
+    field?: string;
+    interval?: number;
+    min_doc_count?: number;
+    extended_bounds?: {
+      min: number;
+      max: number;
+    };
+    hard_bounds?: {
+      min: number;
+      max: number;
+    };
+    missing?: number;
+    keyed?: boolean;
+    order?: {
+      _count: string;
+      _key: string;
+    };
+  };
+  nested?: {
+    path: string;
+  };
+  terms?: {
+    field?: string;
+    collect_mode?: string;
+    exclude?: string | string[];
+    include?: string | string[];
+    execution_hint?: string;
+    missing?: number | string;
+    min_doc_count?: number;
+    size?: number;
+    show_term_doc_count_error?: boolean;
+    order?:
+      | SortOrderSchema
+      | { [x: string]: SortOrderSchema }
+      | Array<{ [x: string]: SortOrderSchema }>;
+  };
+  aggs?: {
+    [x: string]: BucketAggsSchemas;
+  };
+}
+
+/**
+ * Schemas for the Bucket aggregations.
+ *
+ * Currently supported:
+ * - filter
+ * - histogram
+ * - nested
+ * - terms
+ *
+ * Not implemented:
+ * - adjacency_matrix
+ * - auto_date_histogram
+ * - children
+ * - composite
+ * - date_histogram
+ * - date_range
+ * - diversified_sampler
+ * - filters
+ * - geo_distance
+ * - geohash_grid
+ * - geotile_grid
+ * - global
+ * - ip_range
+ * - missing
+ * - multi_terms
+ * - parent
+ * - range
+ * - rare_terms
+ * - reverse_nested
+ * - sampler
+ * - significant_terms
+ * - significant_text
+ * - variable_width_histogram
+ */
+export const BucketAggsSchemas: t.Type<BucketAggsSchemas> = t.recursion('BucketAggsSchemas', () =>
+  t.exact(
+    t.partial({
+      filter: t.exact(
+        t.partial({
+          term: t.record(t.string, t.union([t.string, t.boolean, t.number])),
+        })
+      ),
+      date_histogram: t.exact(
+        t.partial({
+          field: t.string,
+          fixed_interval: t.string,
+          min_doc_count: t.number,
+          extended_bounds: t.type({
+            min: t.string,
+            max: t.string,
+          }),
+        })
+      ),
+      histogram: t.exact(
+        t.partial({
+          field: t.string,
+          interval: t.number,
+          min_doc_count: t.number,
+          extended_bounds: t.exact(
+            t.type({
+              min: t.number,
+              max: t.number,
+            })
+          ),
+          hard_bounds: t.exact(
+            t.type({
+              min: t.number,
+              max: t.number,
+            })
+          ),
+          missing: t.number,
+          keyed: t.boolean,
+          order: t.exact(
+            t.type({
+              _count: t.string,
+              _key: t.string,
+            })
+          ),
+        })
+      ),
+      nested: t.type({
+        path: t.string,
+      }),
+      terms: t.exact(
+        t.partial({
+          field: t.string,
+          collect_mode: t.string,
+          exclude: t.union([t.string, t.array(t.string)]),
+          include: t.union([t.string, t.array(t.string)]),
+          execution_hint: t.string,
+          missing: t.union([t.number, t.string]),
+          min_doc_count: t.number,
+          size: t.number,
+          show_term_doc_count_error: t.boolean,
+          order: t.union([
+            sortOrderSchema,
+            t.record(t.string, sortOrderSchema),
+            t.array(t.record(t.string, sortOrderSchema)),
+          ]),
+        })
+      ),
+      aggs: t.record(t.string, BucketAggsSchemas),
+    })
+  )
+);
+
+/**
+ * Schemas for the metrics Aggregations
+ *
+ * Currently supported:
+ * - avg
+ * - cardinality
+ * - min
+ * - max
+ * - sum
+ * - top_hits
+ * - weighted_avg
+ *
+ * Not implemented:
+ * - boxplot
+ * - extended_stats
+ * - geo_bounds
+ * - geo_centroid
+ * - geo_line
+ * - matrix_stats
+ * - median_absolute_deviation
+ * - percentile_ranks
+ * - percentiles
+ * - rate
+ * - scripted_metric
+ * - stats
+ * - string_stats
+ * - t_test
+ * - value_count
+ */
+export const metricsAggsSchemas = t.partial({
+  avg: t.partial({
+    field: t.string,
+    missing: t.union([t.string, t.number, t.boolean]),
+  }),
+  cardinality: t.partial({
+    field: t.string,
+    precision_threshold: t.number,
+    rehash: t.boolean,
+    missing: t.union([t.string, t.number, t.boolean]),
+  }),
+  min: t.partial({
+    field: t.string,
+    missing: t.union([t.string, t.number, t.boolean]),
+    format: t.string,
+  }),
+  max: t.partial({
+    field: t.string,
+    missing: t.union([t.string, t.number, t.boolean]),
+    format: t.string,
+  }),
+  sum: t.partial({
+    field: t.string,
+    missing: t.union([t.string, t.number, t.boolean]),
+  }),
+  top_hits: t.partial({
+    explain: t.boolean,
+    docvalue_fields: t.union([t.string, t.array(t.string)]),
+    stored_fields: t.union([t.string, t.array(t.string)]),
+    from: t.number,
+    size: t.number,
+    sort: sortSchema,
+    seq_no_primary_term: t.boolean,
+    version: t.boolean,
+    track_scores: t.boolean,
+    highlight: t.any,
+    _source: t.union([t.boolean, t.string, t.array(t.string)]),
+  }),
+  weighted_avg: t.partial({
+    format: t.string,
+    value_type: t.string,
+    value: t.partial({
+      field: t.string,
+      missing: t.number,
+    }),
+    weight: t.partial({
+      field: t.string,
+      missing: t.number,
+    }),
+  }),
+});
+
+export type PutIndexTemplateRequest = estypes.IndicesPutIndexTemplateRequest & {
+  body?: { composed_of?: string[] };
+};
+
 export interface ClusterPutComponentTemplateBody {
   template: {
     settings: {