[ML] AIOps: Supports text fields in log rate analysis

x-pack/packages/ml/agg_utils/index.ts

@@ -19,6 +19,7 @@ export type {
 } from './src/fetch_histograms_for_fields';
 export { isMultiBucketAggregate } from './src/is_multi_bucket_aggregate';
 export { isSignificantTerm } from './src/type_guards';
+export { SIGNIFICANT_TERM_TYPE } from './src/types';
 export type {
   AggCardinality,
   SignificantTerm,
@@ -27,6 +28,7 @@ export type {
   SignificantTermGroupHistogram,
   SignificantTermHistogram,
   SignificantTermHistogramItem,
+  SignificantTermType,
   HistogramField,
   NumericColumnStats,
   NumericColumnStatsMap,

x-pack/packages/ml/agg_utils/src/type_guards.test.ts

@@ -14,6 +14,8 @@ describe('isSignificantTerm', () => {
     expect(isSignificantTerm({ fieldValue: '500' })).toBeFalsy();
     expect(
       isSignificantTerm({
+        key: 'response_code:500',
+        type: 'keyword',
         fieldName: 'response_code',
         fieldValue: '500',
         doc_count: 1819,

x-pack/packages/ml/agg_utils/src/type_guards.ts

@@ -19,6 +19,8 @@ import type { SignificantTerm } from './types';
  */
 export function isSignificantTerm(arg: unknown): arg is SignificantTerm {
   return isPopulatedObject(arg, [
+    'key',
+    'type',
     'fieldName',
     'fieldValue',
     'doc_count',

x-pack/packages/ml/agg_utils/src/types.ts

@@ -87,6 +87,24 @@ export interface HistogramField {
   type: KBN_FIELD_TYPES;
 }
 
+/**
+ * Enumeration of significant term types.
+ */
+export const SIGNIFICANT_TERM_TYPE = {
+  KEYWORD: 'keyword',
+  LOG_PATTERN: 'log_pattern',
+} as const;
+
+/**
+ * Type for significant term type keys.
+ */
+type SignificantTermTypeKeys = keyof typeof SIGNIFICANT_TERM_TYPE;
+
+/**
+ * Represents the type of significant term as determined by the SIGNIFICANT_TERM_TYPE enumeration.
+ */
+export type SignificantTermType = typeof SIGNIFICANT_TERM_TYPE[SignificantTermTypeKeys];
+
 /**
  * Represents significant term metadata for a field/value pair.
  * This interface is used as a custom type within Log Rate Analysis
@@ -97,6 +115,12 @@ export interface HistogramField {
  * @extends FieldValuePair
  */
 export interface SignificantTerm extends FieldValuePair {
+  /** The key associated with the significant term. */
+  key: string;
+
+  /** The type of the significant term. */
+  type: SignificantTermType;
+
   /** The document count for the significant term. */
   doc_count: number;
 
@@ -169,6 +193,12 @@ export interface SignificantTermGroupHistogram {
  * @interface
  */
 export interface SignificantTermGroupItem extends FieldValuePair {
+  /** The key associated with the significant term. */
+  key: string;
+
+  /** The type of the significant term. */
+  type: SignificantTermType;
+
   /** The document count associated with this item. */
   docCount: number;
 

x-pack/plugins/aiops/common/__mocks__/artificial_logs/final_significant_term_groups.ts

@@ -12,84 +12,100 @@ export const finalSignificantTermGroups: SignificantTermGroup[] = [
     docCount: 632,
     group: [
       {
-        docCount: 790,
-        duplicate: 2,
+        key: 'url:login.php',
+        type: 'keyword',
         fieldName: 'url',
         fieldValue: 'login.php',
+        docCount: 790,
+        duplicate: 2,
         pValue: 0.012783309213417932,
       },
       {
-        docCount: 632,
-        duplicate: 2,
+        key: 'user:Peter',
+        type: 'keyword',
         fieldName: 'user',
         fieldValue: 'Peter',
+        docCount: 632,
+        duplicate: 2,
         pValue: 0.012783309213417932,
       },
     ],
-    id: '1982924514',
+    id: '1937394803',
     pValue: 0.012783309213417932,
   },
   {
     docCount: 792,
     group: [
       {
-        docCount: 792,
-        duplicate: 2,
+        key: 'response_code:500',
+        type: 'keyword',
         fieldName: 'response_code',
         fieldValue: '500',
+        docCount: 792,
+        duplicate: 2,
         pValue: 0.012783309213417932,
       },
       {
-        docCount: 792,
-        duplicate: 2,
+        key: 'url:home.php',
+        type: 'keyword',
         fieldName: 'url',
         fieldValue: 'home.php',
+        docCount: 792,
+        duplicate: 2,
         pValue: 0.00974308761016614,
       },
     ],
-    id: '2052830342',
+    id: '2675980076',
     pValue: 0.00974308761016614,
   },
   {
     docCount: 790,
     group: [
       {
-        docCount: 792,
-        duplicate: 2,
+        key: 'response_code:500',
+        type: 'keyword',
         fieldName: 'response_code',
         fieldValue: '500',
+        docCount: 792,
+        duplicate: 2,
         pValue: 0.012783309213417932,
       },
       {
-        docCount: 790,
-        duplicate: 2,
+        key: 'url:login.php',
+        type: 'keyword',
         fieldName: 'url',
         fieldValue: 'login.php',
+        docCount: 790,
+        duplicate: 2,
         pValue: 0.012783309213417932,
       },
     ],
-    id: '3851735068',
+    id: '3819687732',
     pValue: 0.012783309213417932,
   },
   {
     docCount: 636,
     group: [
       {
-        docCount: 792,
-        duplicate: 2,
+        key: 'url:home.php',
+        type: 'keyword',
         fieldName: 'url',
         fieldValue: 'home.php',
+        docCount: 792,
+        duplicate: 2,
         pValue: 0.00974308761016614,
       },
       {
-        docCount: 636,
-        duplicate: 2,
+        key: 'user:Peter',
+        type: 'keyword',
         fieldName: 'user',
         fieldValue: 'Peter',
+        docCount: 636,
+        duplicate: 2,
         pValue: 0.00974308761016614,
       },
     ],
-    id: '92732022',
+    id: '2091742187',
     pValue: 0.00974308761016614,
   },
 ];

x-pack/plugins/aiops/common/__mocks__/artificial_logs/significant_term_groups.ts

@@ -12,12 +12,21 @@ export const significantTermGroups: SignificantTermGroup[] = [
     id: '2038579476',
     group: [
       {
+        key: 'response_code:500',
+        type: 'keyword',
         fieldName: 'response_code',
         fieldValue: '500',
         docCount: 1819,
         pValue: 2.9589053032077285e-12,
       },
-      { fieldName: 'url', fieldValue: 'home.php', docCount: 1744, pValue: 0.010770456205312423 },
+      {
+        key: 'url:home.php',
+        type: 'keyword',
+        fieldName: 'url',
+        fieldValue: 'home.php',
+        docCount: 1744,
+        pValue: 0.010770456205312423,
+      },
     ],
     docCount: 792,
     pValue: 0.010770456205312423,

x-pack/plugins/aiops/common/__mocks__/artificial_logs/significant_terms.ts

@@ -5,8 +5,12 @@
  * 2.0.
  */
 
-export const significantTerms = [
+import type { SignificantTerm } from '@kbn/ml-agg-utils';
+
+export const significantTerms: SignificantTerm[] = [
   {
+    key: 'user:Peter',
+    type: 'keyword',
     fieldName: 'user',
     fieldValue: 'Peter',
     doc_count: 1981,
@@ -18,6 +22,8 @@ export const significantTerms = [
     normalizedScore: 0.8328439168064725,
   },
   {
+    key: 'response_code:500',
+    type: 'keyword',
     fieldName: 'response_code',
     fieldValue: '500',
     doc_count: 1819,
@@ -29,6 +35,8 @@ export const significantTerms = [
     normalizedScore: 0.7809229492301661,
   },
   {
+    key: 'url:home.php',
+    type: 'keyword',
     fieldName: 'url',
     fieldValue: 'home.php',
     doc_count: 1744,
@@ -40,6 +48,8 @@ export const significantTerms = [
     normalizedScore: 0.12006631193078789,
   },
   {
+    key: 'url:login.php',
+    type: 'keyword',
     fieldName: 'url',
     fieldValue: 'login.php',
     doc_count: 1738,

x-pack/plugins/aiops/common/__mocks__/farequote/significant_term_groups.ts

@@ -12,12 +12,16 @@ export const significantTermGroups: SignificantTermGroup[] = [
     id: 'group-1',
     group: [
       {
+        key: 'custom_field.keyword:deviation',
+        type: 'keyword',
         fieldName: 'custom_field.keyword',
         fieldValue: 'deviation',
         docCount: 101,
         pValue: 0.01,
       },
       {
+        key: 'airline:UAL',
+        type: 'keyword',
         fieldName: 'airline',
         fieldValue: 'UAL',
         docCount: 101,
@@ -31,12 +35,16 @@ export const significantTermGroups: SignificantTermGroup[] = [
     id: 'group-2',
     group: [
       {
+        key: 'custom_field.keyword:deviation',
+        type: 'keyword',
         fieldName: 'custom_field.keyword',
         fieldValue: 'deviation',
         docCount: 49,
         pValue: 0.001,
       },
       {
+        key: 'airline:AAL',
+        type: 'keyword',
         fieldName: 'airline',
         fieldValue: 'AAL',
         docCount: 49,

x-pack/plugins/aiops/common/api/stream_reducer.test.ts

@@ -39,6 +39,8 @@ describe('streamReducer', () => {
       initialState,
       addSignificantTermsAction([
         {
+          key: 'the-field-name:the-field-value',
+          type: 'keyword',
           fieldName: 'the-field-name',
           fieldValue: 'the-field-value',
           doc_count: 10,

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

@@ -5,7 +5,7 @@
  * 2.0.
  */
 
-import type { SignificantTerm, FieldValuePair } from '@kbn/ml-agg-utils';
+import type { SignificantTerm, SignificantTermType, FieldValuePair } from '@kbn/ml-agg-utils';
 
 export interface SignificantTermDuplicateGroup {
   keys: Pick<SignificantTerm, keyof SignificantTerm>;
@@ -24,6 +24,8 @@ export interface ItemsetResult {
 }
 
 interface SimpleHierarchicalTreeNodeSet extends FieldValuePair {
+  key: string;
+  type: SignificantTermType;
   docCount: number;
   pValue: number | null;
 }

x-pack/plugins/aiops/public/application/utils/build_extended_base_filter_criteria.test.ts

@@ -12,6 +12,8 @@ import type { GroupTableItem } from '../../components/log_rate_analysis_results_
 import { buildExtendedBaseFilterCriteria } from './build_extended_base_filter_criteria';
 
 const selectedSignificantTermMock: SignificantTerm = {
+  key: 'meta.cloud.instance_id.keyword:1234',
+  type: 'keyword',
   doc_count: 53408,
   bg_count: 1154,
   fieldName: 'meta.cloud.instance_id.keyword',