[Fleet] Expose agent logging level in agent policy settings

x-pack/plugins/fleet/common/constants/agent_policy.ts

@@ -37,3 +37,10 @@ export const LICENSE_FOR_SCHEDULE_UPGRADE = 'platinum';
 export const DEFAULT_MAX_AGENT_POLICIES_WITH_INACTIVITY_TIMEOUT = 750;
 
 export const AGENTLESS_POLICY_ID = 'agentless'; // the policy id defined here: https://github.com/elastic/project-controller/blob/main/internal/project/security/security_kibana_config.go#L86
+
+export const agentLoggingLevels = {
+  Info: 'info',
+  Debug: 'debug',
+  Warning: 'warning',
+  Error: 'error',
+} as const;

x-pack/plugins/fleet/common/settings/agent_policy_settings.ts

@@ -8,6 +8,8 @@
 import { i18n } from '@kbn/i18n';
 import { z } from 'zod';
 
+import { agentLoggingLevels } from '../constants';
+
 import type { SettingsConfig } from './types';
 
 export const zodStringWithDurationValidation = z
@@ -126,4 +128,18 @@ export const AGENT_POLICY_ADVANCED_SETTINGS: SettingsConfig[] = [
       })
       .default({}),
   },
+  {
+    name: 'agent.logging.level',
+    hidden: true,
+    title: i18n.translate('xpack.fleet.settings.agentPolicyAdvanced.agentLoggingLevel', {
+      defaultMessage: 'Agent Logging Level',
+    }),
+    description: i18n.translate('xpack.fleet.settings.agentPolicyAdvanced.goMaxProcsDescription', {
+      defaultMessage: 'Set the Agent log level. The default log level is "info".',
+    }),
+    api_field: {
+      name: 'agent_logging_level',
+    },
+    schema: z.nativeEnum(agentLoggingLevels),
+  },
 ];

x-pack/plugins/fleet/common/types/models/agent_policy.ts

@@ -7,14 +7,17 @@
 
 import type { SecurityRoleDescriptor } from '@elastic/elasticsearch/lib/api/typesWithBodyKey';
 
-import type { agentPolicyStatuses } from '../../constants';
+import type { agentPolicyStatuses, agentLoggingLevels } from '../../constants';
 import type { MonitoringType, PolicySecretReference, ValueOf } from '..';
 
 import type { PackagePolicy, PackagePolicyPackage } from './package_policy';
 import type { Output } from './output';
 
 export type AgentPolicyStatus = typeof agentPolicyStatuses;
 
+type AgentLoggingLevelKeys = keyof typeof agentLoggingLevels;
+export type AgentLoggingLevel = typeof agentLoggingLevels[AgentLoggingLevelKeys];
+
 // adding a property here? If it should be cloned when duplicating a policy, add it to `agentPolicyService.copy`
 // x-pack/plugins/fleet/server/services/agent_policy.ts#L571
 export interface NewAgentPolicy {
@@ -121,6 +124,9 @@ export interface FullAgentPolicy {
       uninstall_token_hash: string;
       signing_key: string;
     };
+    logging?: {
+      level: AgentLoggingLevel;
+    };
   };
   secret_references?: PolicySecretReference[];
   signed?: {

x-pack/plugins/fleet/public/applications/fleet/components/form_settings/index.tsx

@@ -7,7 +7,7 @@
 
 import { ZodFirstPartyTypeKind } from 'zod';
 import React from 'react';
-import { EuiFieldNumber, EuiFieldText } from '@elastic/eui';
+import { EuiFieldNumber, EuiFieldText, EuiSelect } from '@elastic/eui';
 
 import type { SettingsConfig } from '../../../../../common/settings/types';
 
@@ -61,6 +61,27 @@ settingComponentRegistry.set(ZodFirstPartyTypeKind.ZodString, (settingsConfig) =
   );
 });
 
+settingComponentRegistry.set(ZodFirstPartyTypeKind.ZodNativeEnum, (settingsConfig) => {
+  return (
+    <SettingsFieldWrapper
+      settingsConfig={settingsConfig}
+      typeName={ZodFirstPartyTypeKind.ZodString}
+      renderItem={({ fieldKey, fieldValue, handleChange, coercedSchema }: any) => (
+        <EuiSelect
+          data-test-subj={fieldKey}
+          value={fieldValue}
+          fullWidth
+          onChange={handleChange}
+          options={Object.keys(coercedSchema.enum).map((level) => ({
+            text: level,
+            value: coercedSchema.enum[level],
+          }))}
+        />
+      )}
+    />
+  );
+});
+
 export function ConfiguredSettings({
   configuredSettings,
 }: {

x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/components/agent_policy_advanced_fields/index.tsx

@@ -63,15 +63,13 @@ interface Props {
   agentPolicy: Partial<NewAgentPolicy | AgentPolicy>;
   updateAgentPolicy: (u: Partial<NewAgentPolicy | AgentPolicy>) => void;
   validation: ValidationResults;
-  isEditing?: boolean;
   disabled?: boolean;
 }
 
 export const AgentPolicyAdvancedOptionsContent: React.FunctionComponent<Props> = ({
   agentPolicy,
   updateAgentPolicy,
   validation,
-  isEditing = false,
   disabled = false,
 }) => {
   const { docLinks } = useStartServices();
@@ -401,7 +399,6 @@ export const AgentPolicyAdvancedOptionsContent: React.FunctionComponent<Props> =
           }}
         />
       </EuiDescribedFormGroup>
-
       {AgentTamperProtectionSection}
 
       <EuiDescribedFormGroup

x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/components/agent_policy_create_inline.tsx

@@ -188,7 +188,6 @@ export const AgentPolicyCreateInlineForm: React.FunctionComponent<Props> = ({
             agentPolicy={newAgentPolicy}
             updateAgentPolicy={updateNewAgentPolicy}
             validation={validation}
-            isEditing={false}
           />
         </StyledEuiAccordion>
       </>

x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/components/agent_policy_form.tsx

@@ -141,7 +141,6 @@ export const AgentPolicyForm: React.FunctionComponent<Props> = ({
                 agentPolicy={agentPolicy}
                 updateAgentPolicy={updateAgentPolicy}
                 validation={validation}
-                isEditing={isEditing}
               />
 
               {advancedPolicySettings ? (
@@ -168,7 +167,6 @@ export const AgentPolicyForm: React.FunctionComponent<Props> = ({
               agentPolicy={agentPolicy}
               updateAgentPolicy={updateAgentPolicy}
               validation={validation}
-              isEditing={isEditing}
               disabled={disabled}
             />
             {advancedPolicySettings ? (

x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/components/agent_policy_integration.tsx

@@ -35,8 +35,6 @@ interface Props {
   withSysMonitoring: boolean;
   updateSysMonitoring: (newValue: boolean) => void;
   validation: ValidationResults;
-  isEditing?: boolean;
-  onDelete?: () => void;
 }
 
 export const AgentPolicyIntegrationForm: React.FunctionComponent<Props> = ({
@@ -45,8 +43,6 @@ export const AgentPolicyIntegrationForm: React.FunctionComponent<Props> = ({
   withSysMonitoring,
   updateSysMonitoring,
   validation,
-  isEditing = false,
-  onDelete = () => {},
 }) => {
   return (
     <EuiForm>
@@ -101,7 +97,6 @@ export const AgentPolicyIntegrationForm: React.FunctionComponent<Props> = ({
             agentPolicy={agentPolicy}
             updateAgentPolicy={updateAgentPolicy}
             validation={validation}
-            isEditing={isEditing}
           />
         </StyledEuiAccordion>
       </>

x-pack/plugins/fleet/public/types/index.ts

@@ -10,6 +10,7 @@ export type {
   AgentMetadata,
   AgentPolicy,
   NewAgentPolicy,
+  AgentLoggingLevel,
   SimplifiedAgentStatus,
   EnrollmentAPIKey,
   PackagePolicy,

x-pack/plugins/fleet/server/services/agent_policies/full_agent_policy.test.ts

@@ -719,6 +719,7 @@ describe('getFullAgentPolicy', () => {
     mockAgentPolicy({
       advanced_settings: {
         agent_limits_go_max_procs: 2,
+        agent_logging_level: 'debug',
       },
     });
     const agentPolicy = await getFullAgentPolicy(savedObjectsClientMock.create(), 'agent-policy');
@@ -727,6 +728,7 @@ describe('getFullAgentPolicy', () => {
       id: 'agent-policy',
       agent: {
         limits: { go_max_procs: 2 },
+        logging: { level: 'debug' },
       },
     });
   });