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Exclude non-persisted sessions from SO migration (elastic#96938)
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pgayvallet authored Apr 13, 2021
1 parent b9c4d24 commit bfd5b7b
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Showing 10 changed files with 254 additions and 65 deletions.
Original file line number Diff line number Diff line change
Expand Up @@ -425,6 +425,22 @@ describe('ElasticIndex', () => {
type: 'tsvb-validation-telemetry',
},
},
{
bool: {
must: [
{
match: {
type: 'search-session',
},
},
{
match: {
'search-session.persisted': false,
},
},
],
},
},
],
},
},
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57 changes: 40 additions & 17 deletions src/core/server/saved_objects/migrations/core/elastic_index.ts
Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,46 @@ export interface FullIndexInfo {
mappings: IndexMapping;
}

// When migrating from the outdated index we use a read query which excludes
// saved objects which are no longer used. These saved objects will still be
// kept in the outdated index for backup purposes, but won't be availble in
// the upgraded index.
export const excludeUnusedTypesQuery: estypes.QueryContainer = {
bool: {
must_not: [
// https://github.com/elastic/kibana/issues/91869
{
term: {
type: 'fleet-agent-events',
},
},
// https://github.com/elastic/kibana/issues/95617
{
term: {
type: 'tsvb-validation-telemetry',
},
},
// https://github.com/elastic/kibana/issues/96131
{
bool: {
must: [
{
match: {
type: 'search-session',
},
},
{
match: {
'search-session.persisted': false,
},
},
],
},
},
],
},
};

/**
* A slight enhancement to indices.get, that adds indexName, and validates that the
* index mappings are somewhat what we expect.
Expand Down Expand Up @@ -69,23 +109,6 @@ export function reader(
const scroll = scrollDuration;
let scrollId: string | undefined;

// When migrating from the outdated index we use a read query which excludes
// saved object types which are no longer used. These saved objects will
// still be kept in the outdated index for backup purposes, but won't be
// availble in the upgraded index.
const EXCLUDE_UNUSED_TYPES = [
'fleet-agent-events', // https://github.com/elastic/kibana/issues/91869
'tsvb-validation-telemetry', // https://github.com/elastic/kibana/issues/95617
];

const excludeUnusedTypesQuery = {
bool: {
must_not: EXCLUDE_UNUSED_TYPES.map((type) => ({
term: { type },
})),
},
};

const nextBatch = () =>
scrollId !== undefined
? client.scroll<SearchResponse<SavedObjectsRawDocSource>>({
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1 change: 1 addition & 0 deletions src/core/server/saved_objects/migrations/core/index.ts
Original file line number Diff line number Diff line change
Expand Up @@ -14,3 +14,4 @@ export type { LogFn, SavedObjectsMigrationLogger } from './migration_logger';
export type { MigrationResult, MigrationStatus } from './migration_coordinator';
export { createMigrationEsClient } from './migration_es_client';
export type { MigrationEsClient } from './migration_es_client';
export { excludeUnusedTypesQuery } from './elastic_index';
15 changes: 5 additions & 10 deletions src/core/server/saved_objects/migrationsv2/actions/index.ts
Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,6 @@ import { errors as EsErrors } from '@elastic/elasticsearch';
import type { ElasticsearchClientError, ResponseError } from '@elastic/elasticsearch/lib/errors';
import { pipe } from 'fp-ts/lib/pipeable';
import { flow } from 'fp-ts/lib/function';
import { QueryContainer } from '@elastic/eui/src/components/search_bar/query/ast_to_es_query_dsl';
import { ElasticsearchClient } from '../../../elasticsearch';
import { IndexMapping } from '../../mappings';
import { SavedObjectsRawDoc, SavedObjectsRawDocSource } from '../../serialization';
Expand Down Expand Up @@ -440,9 +439,9 @@ export const reindex = (
requireAlias: boolean,
/* When reindexing we use a source query to exclude saved objects types which
* are no longer used. These saved objects will still be kept in the outdated
* index for backup purposes, but won't be availble in the upgraded index.
* index for backup purposes, but won't be available in the upgraded index.
*/
unusedTypesToExclude: Option.Option<string[]>
unusedTypesQuery: Option.Option<estypes.QueryContainer>
): TaskEither.TaskEither<RetryableEsClientError, ReindexResponse> => () => {
return client
.reindex({
Expand All @@ -457,14 +456,10 @@ export const reindex = (
// Set reindex batch size
size: BATCH_SIZE,
// Exclude saved object types
query: Option.fold<string[], QueryContainer | undefined>(
query: Option.fold<estypes.QueryContainer, estypes.QueryContainer | undefined>(
() => undefined,
(types) => ({
bool: {
must_not: types.map((type) => ({ term: { type } })),
},
})
)(unusedTypesToExclude),
(query) => query
)(unusedTypesQuery),
},
dest: {
index: targetIndex,
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -416,14 +416,20 @@ describe('migration actions', () => {
]
`);
});
it('resolves right and excludes all unusedTypesToExclude documents', async () => {
it('resolves right and excludes all documents not matching the unusedTypesQuery', async () => {
const res = (await reindex(
client,
'existing_index_with_docs',
'reindex_target_excluded_docs',
Option.none,
false,
Option.some(['f_agent_event', 'another_unused_type'])
Option.of({
bool: {
must_not: ['f_agent_event', 'another_unused_type'].map((type) => ({
term: { type },
})),
},
})
)()) as Either.Right<ReindexResponse>;
const task = waitForReindexTask(client, res.right.taskId, '10s');
await expect(task()).resolves.toMatchInlineSnapshot(`
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Original file line number Diff line number Diff line change
Expand Up @@ -254,12 +254,40 @@ describe('migrationsStateActionMachine', () => {
},
},
},
"unusedTypesToExclude": Object {
"unusedTypesQuery": Object {
"_tag": "Some",
"value": Array [
"fleet-agent-events",
"tsvb-validation-telemetry",
],
"value": Object {
"bool": Object {
"must_not": Array [
Object {
"term": Object {
"type": "fleet-agent-events",
},
},
Object {
"term": Object {
"type": "tsvb-validation-telemetry",
},
},
Object {
"bool": Object {
"must": Array [
Object {
"match": Object {
"type": "search-session",
},
},
Object {
"match": Object {
"search-session.persisted": false,
},
},
],
},
},
],
},
},
},
"versionAlias": ".my-so-index_7.11.0",
"versionIndex": ".my-so-index_7.11.0_001",
Expand Down Expand Up @@ -322,12 +350,40 @@ describe('migrationsStateActionMachine', () => {
},
},
},
"unusedTypesToExclude": Object {
"unusedTypesQuery": Object {
"_tag": "Some",
"value": Array [
"fleet-agent-events",
"tsvb-validation-telemetry",
],
"value": Object {
"bool": Object {
"must_not": Array [
Object {
"term": Object {
"type": "fleet-agent-events",
},
},
Object {
"term": Object {
"type": "tsvb-validation-telemetry",
},
},
Object {
"bool": Object {
"must": Array [
Object {
"match": Object {
"type": "search-session",
},
},
Object {
"match": Object {
"search-session.persisted": false,
},
},
],
},
},
],
},
},
},
"versionAlias": ".my-so-index_7.11.0",
"versionIndex": ".my-so-index_7.11.0_001",
Expand Down Expand Up @@ -475,12 +531,40 @@ describe('migrationsStateActionMachine', () => {
},
},
},
"unusedTypesToExclude": Object {
"unusedTypesQuery": Object {
"_tag": "Some",
"value": Array [
"fleet-agent-events",
"tsvb-validation-telemetry",
],
"value": Object {
"bool": Object {
"must_not": Array [
Object {
"term": Object {
"type": "fleet-agent-events",
},
},
Object {
"term": Object {
"type": "tsvb-validation-telemetry",
},
},
Object {
"bool": Object {
"must": Array [
Object {
"match": Object {
"type": "search-session",
},
},
Object {
"match": Object {
"search-session.persisted": false,
},
},
],
},
},
],
},
},
},
"versionAlias": ".my-so-index_7.11.0",
"versionIndex": ".my-so-index_7.11.0_001",
Expand Down Expand Up @@ -538,12 +622,40 @@ describe('migrationsStateActionMachine', () => {
},
},
},
"unusedTypesToExclude": Object {
"unusedTypesQuery": Object {
"_tag": "Some",
"value": Array [
"fleet-agent-events",
"tsvb-validation-telemetry",
],
"value": Object {
"bool": Object {
"must_not": Array [
Object {
"term": Object {
"type": "fleet-agent-events",
},
},
Object {
"term": Object {
"type": "tsvb-validation-telemetry",
},
},
Object {
"bool": Object {
"must": Array [
Object {
"match": Object {
"type": "search-session",
},
},
Object {
"match": Object {
"search-session.persisted": false,
},
},
],
},
},
],
},
},
},
"versionAlias": ".my-so-index_7.11.0",
"versionIndex": ".my-so-index_7.11.0_001",
Expand Down
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