[Fleet] reduce info logging in Fleet tasks (elastic#241811)

## Summary

Since enabling elastic#235842, info
logging increased substantially in cloud, because the agent status
change task runs every minute.

Changing the task start and end messages to be on debug level.

### Checklist

Check the PR satisfies following conditions. 

Reviewers should verify this PR satisfies this list as well.

- [ ] Any text added follows [EUI's writing
guidelines](https://elastic.github.io/eui/#/guidelines/writing), uses
sentence case text and includes [i18n
support](https://github.com/elastic/kibana/blob/main/src/platform/packages/shared/kbn-i18n/README.md)
- [ ]
[Documentation](https://www.elastic.co/guide/en/kibana/master/development-documentation.html)
was added for features that require explanation or tutorials
- [ ] [Unit or functional
tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)
were updated or added to match the most common scenarios
- [ ] If a plugin configuration key changed, check if it needs to be
allowlisted in the cloud and added to the [docker
list](https://github.com/elastic/kibana/blob/main/src/dev/build/tasks/os_packages/docker_generator/resources/base/bin/kibana-docker)
- [ ] This was checked for breaking HTTP API changes, and any breaking
changes have been approved by the breaking-change committee. The
`release_note:breaking` label should be applied in these situations.
- [ ] [Flaky Test
Runner](https://ci-stats.kibana.dev/trigger_flaky_test_runner/1) was
used on any tests changed
- [ ] The PR description includes the appropriate Release Notes section,
and the correct `release_note:*` label is applied per the
[guidelines](https://www.elastic.co/guide/en/kibana/master/contributing.html#kibana-release-notes-process)
- [ ] Review the [backport
guidelines](https://docs.google.com/document/d/1VyN5k91e5OVumlc0Gb9RPa3h1ewuPE705nRtioPiTvY/edit?usp=sharing)
and apply applicable `backport:*` labels.

### Identify risks

Does this PR introduce any risks? For example, consider risks like hard
to test bugs, performance regression, potential of data loss.

Describe the risk, its severity, and mitigation for each identified
risk. Invite stakeholders and evaluate how to proceed before merging.

- [ ] [See some risk
examples](https://github.com/elastic/kibana/blob/main/RISK_MATRIX.mdx)
- [ ] ...

Author: juliaElastic

x-pack/platform/plugins/shared/fleet/server/tasks/agent_status_change_task.ts

@@ -27,7 +27,7 @@ import { SO_SEARCH_LIMIT } from '../constants';
 import { getAgentPolicySavedObjectType } from '../services/agent_policy';
 
 export const TYPE = 'fleet:agent-status-change-task';
-export const VERSION = '1.0.1';
+export const VERSION = '1.0.2';
 const TITLE = 'Fleet Agent Status Change Task';
 const SCOPE = ['fleet'];
 const DEFAULT_INTERVAL = '1m';
@@ -117,7 +117,7 @@ export class AgentStatusChangeTask {
   }
 
   private endRun(msg: string = '') {
-    this.logger.info(`[AgentStatusChangeTask] runTask ended${msg ? ': ' + msg : ''}`);
+    this.logger.debug(`[AgentStatusChangeTask] runTask ended${msg ? ': ' + msg : ''}`);
   }
 
   public runTask = async (
@@ -143,7 +143,7 @@ export class AgentStatusChangeTask {
       return getDeleteTaskRunResult();
     }
 
-    this.logger.info(`[runTask()] started`);
+    this.logger.debug(`[runTask()] started`);
 
     const [coreStart, _startDeps] = (await core.getStartServices()) as any;
     const esClient = coreStart.elasticsearch.client.asInternalUser;

x-pack/platform/plugins/shared/fleet/server/tasks/auto_install_content_packages_task.ts

@@ -31,7 +31,7 @@ import { getInstalledPackages } from '../services/epm/packages';
 import { getPrereleaseFromSettings } from '../services/epm/packages/get_prerelease_setting';
 
 export const TYPE = 'fleet:auto-install-content-packages-task';
-export const VERSION = '1.0.2';
+export const VERSION = '1.0.3';
 const TITLE = 'Fleet Auto Install Content Packages Task';
 const SCOPE = ['fleet'];
 const DEFAULT_INTERVAL = '10m';
@@ -123,7 +123,7 @@ export class AutoInstallContentPackagesTask {
   }
 
   private endRun(msg: string = '') {
-    this.logger.info(`[AutoInstallContentPackagesTask] runTask ended${msg ? ': ' + msg : ''}`);
+    this.logger.debug(`[AutoInstallContentPackagesTask] runTask ended${msg ? ': ' + msg : ''}`);
   }
 
   public runTask = async (taskInstance: ConcreteTaskInstance, core: CoreSetup) => {
@@ -145,7 +145,7 @@ export class AutoInstallContentPackagesTask {
       return getDeleteTaskRunResult();
     }
 
-    this.logger.info(`[runTask()] started`);
+    this.logger.debug(`[runTask()] started`);
 
     const [coreStart, _startDeps, { packageService }] = (await core.getStartServices()) as any;
     const packageClient = packageService.asInternalUser;

x-pack/platform/plugins/shared/fleet/server/tasks/delete_unenrolled_agents_task.ts

@@ -26,7 +26,7 @@ import { AGENTS_INDEX } from '../../common/constants';
 import { settingsService } from '../services';
 
 export const TYPE = 'fleet:delete-unenrolled-agents-task';
-export const VERSION = '1.0.0';
+export const VERSION = '1.0.1';
 const TITLE = 'Fleet Delete Unenrolled Agents Task';
 const SCOPE = ['fleet'];
 const INTERVAL = '1h';
@@ -102,7 +102,7 @@ export class DeleteUnenrolledAgentsTask {
   }
 
   private endRun(msg: string = '') {
-    this.logger.info(`[DeleteUnenrolledAgentsTask] runTask ended${msg ? ': ' + msg : ''}`);
+    this.logger.debug(`[DeleteUnenrolledAgentsTask] runTask ended${msg ? ': ' + msg : ''}`);
   }
 
   public async deleteUnenrolledAgents({
@@ -165,7 +165,7 @@ export class DeleteUnenrolledAgentsTask {
       return getDeleteTaskRunResult();
     }
 
-    this.logger.info(`[runTask()] started`);
+    this.logger.debug(`[runTask()] started`);
 
     const [coreStart] = await core.getStartServices();
     const esClient = coreStart.elasticsearch.client.asInternalUser;

x-pack/platform/plugins/shared/fleet/server/tasks/sync_integrations/sync_integrations_task.ts

@@ -32,7 +32,7 @@ import { getCustomAssets } from './custom_assets';
 import type { SyncIntegrationsData } from './model';
 
 export const TYPE = 'fleet:sync-integrations-task';
-export const VERSION = '1.0.5';
+export const VERSION = '1.0.6';
 const TITLE = 'Fleet Sync Integrations Task';
 const SCOPE = ['fleet'];
 const DEFAULT_INTERVAL = '5m';
@@ -115,7 +115,7 @@ export class SyncIntegrationsTask {
   }
 
   private endRun(msg: string = '') {
-    this.logger.info(`[SyncIntegrationsTask] runTask ended${msg ? ': ' + msg : ''}`);
+    this.logger.debug(`[SyncIntegrationsTask] runTask ended${msg ? ': ' + msg : ''}`);
   }
 
   public runTask = async (
@@ -135,7 +135,7 @@ export class SyncIntegrationsTask {
       return getDeleteTaskRunResult();
     }
 
-    this.logger.info(`[runTask()] started`);
+    this.logger.debug(`[runTask()] started`);
 
     if (!canEnableSyncIntegrations()) {
       this.logger.debug(`[SyncIntegrationsTask] Remote synced integration cannot be enabled.`);

x-pack/platform/plugins/shared/fleet/server/tasks/unenroll_inactive_agents_task.ts

@@ -29,7 +29,7 @@ import { agentPolicyService, auditLoggingService } from '../services';
 import type { AgentPolicy } from '../types';
 
 export const TYPE = 'fleet:unenroll-inactive-agents-task';
-export const VERSION = '1.0.1';
+export const VERSION = '1.0.2';
 const TITLE = 'Fleet Unenroll Inactive Agent Task';
 const SCOPE = ['fleet'];
 const INTERVAL = '10m';
@@ -118,7 +118,7 @@ export class UnenrollInactiveAgentsTask {
   }
 
   private endRun(msg: string = '') {
-    this.logger.info(`[UnenrollInactiveAgentsTask] runTask ended${msg ? ': ' + msg : ''}`);
+    this.logger.debug(`[UnenrollInactiveAgentsTask] runTask ended${msg ? ': ' + msg : ''}`);
   }
 
   public async unenrollInactiveAgents(
@@ -196,7 +196,7 @@ export class UnenrollInactiveAgentsTask {
       return getDeleteTaskRunResult();
     }
 
-    this.logger.info(`[runTask()] started`);
+    this.logger.debug(`[runTask()] started`);
 
     const [coreStart] = await core.getStartServices();
     const esClient = coreStart.elasticsearch.client.asInternalUser;