[Fleet UI] Set flag for traces in Agent policy's monitoring configu…

…ration (elastic#191139)

## Summary

This PR sets the `traces` boolean flag in an Agent policy's monitoring
configuration if `traces` was included in the `monitoring_enabled`
array.

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

@@ -118,6 +118,7 @@ export interface FullAgentPolicyMonitoring {
   enabled: boolean;
   metrics: boolean;
   logs: boolean;
+  traces: boolean;
 }
 
 export interface FullAgentPolicy {

x-pack/plugins/fleet/server/integration_tests/cloud_preconfiguration.test.ts

@@ -172,6 +172,7 @@ describe('Fleet cloud preconfiguration', () => {
                 enabled: false,
                 logs: false,
                 metrics: false,
+                traces: false,
               },
               protection: {
                 enabled: false,

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

@@ -221,6 +221,7 @@ describe('getFullAgentPolicy', () => {
           enabled: false,
           logs: false,
           metrics: false,
+          traces: false,
         },
       },
     });
@@ -257,6 +258,7 @@ describe('getFullAgentPolicy', () => {
           enabled: true,
           logs: true,
           metrics: false,
+          traces: false,
         },
       },
     });
@@ -293,12 +295,50 @@ describe('getFullAgentPolicy', () => {
           enabled: true,
           logs: false,
           metrics: true,
+          traces: false,
         },
       },
     });
   });
 
-  it('should return a policy with monitoring enabled but no logs/metrics if keep_monitoring_alive is true', async () => {
+  it('should return a policy with monitoring if monitoring is enabled for traces', async () => {
+    mockAgentPolicy({
+      namespace: 'default',
+      revision: 1,
+      monitoring_enabled: ['traces'],
+    });
+    const agentPolicy = await getFullAgentPolicy(savedObjectsClientMock.create(), 'agent-policy');
+
+    expect(agentPolicy).toMatchObject({
+      id: 'agent-policy',
+      outputs: {
+        default: {
+          type: 'elasticsearch',
+          hosts: ['http://127.0.0.1:9201'],
+        },
+      },
+      inputs: [],
+      revision: 1,
+      fleet: {
+        hosts: ['http://fleetserver:8220'],
+      },
+      agent: {
+        download: {
+          sourceURI: 'http://default-registry.co',
+        },
+        monitoring: {
+          namespace: 'default',
+          use_output: 'default',
+          enabled: true,
+          logs: false,
+          metrics: false,
+          traces: true,
+        },
+      },
+    });
+  });
+
+  it('should return a policy with monitoring enabled but no logs/metrics/traces if keep_monitoring_alive is true', async () => {
     mockAgentPolicy({
       keep_monitoring_alive: true,
     });
@@ -309,6 +349,7 @@ describe('getFullAgentPolicy', () => {
       enabled: true,
       logs: false,
       metrics: false,
+      traces: false,
     });
   });
 
@@ -325,6 +366,7 @@ describe('getFullAgentPolicy', () => {
       {
         logs: false,
         metrics: true,
+        traces: false,
       },
       'testnamespace'
     );
@@ -553,6 +595,7 @@ describe('getFullAgentPolicy', () => {
           enabled: true,
           logs: false,
           metrics: true,
+          traces: false,
         },
       },
     });
@@ -590,6 +633,7 @@ describe('getFullAgentPolicy', () => {
           enabled: true,
           logs: false,
           metrics: true,
+          traces: false,
         },
         features: {
           fqdn: {
@@ -743,6 +787,7 @@ describe('getFullAgentPolicy', () => {
           enabled: false,
           logs: false,
           metrics: false,
+          traces: false,
         },
       },
       fleet: {

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

@@ -140,19 +140,21 @@ export async function getFullAgentPolicy(
     enabled: false,
     logs: false,
     metrics: false,
+    traces: false,
   };
 
   let monitoring: FullAgentPolicyMonitoring = { ...defaultMonitoringConfig };
 
-  // If the agent policy has monitoring enabled for at least one of "logs" or "metrics", generate
-  // a monitoring config for the resulting compiled agent policy
+  // If the agent policy has monitoring enabled for at least one of "logs", "metrics", or "traces"
+  // generate a monitoring config for the resulting compiled agent policy
   if (agentPolicy.monitoring_enabled && agentPolicy.monitoring_enabled.length > 0) {
     monitoring = {
       namespace: agentPolicy.namespace,
       use_output: getOutputIdForAgentPolicy(monitoringOutput),
       enabled: true,
       logs: agentPolicy.monitoring_enabled.includes(dataTypes.Logs),
       metrics: agentPolicy.monitoring_enabled.includes(dataTypes.Metrics),
+      traces: agentPolicy.monitoring_enabled.includes(dataTypes.Traces),
     };
     // If the `keep_monitoring_alive` flag is set, enable monitoring but don't enable logs or metrics.
     // This allows cloud or other environments to keep the monitoring server alive without tearing it down.
@@ -161,6 +163,7 @@ export async function getFullAgentPolicy(
       enabled: true,
       logs: false,
       metrics: false,
+      traces: false,
     };
   }
 
@@ -249,6 +252,7 @@ export async function getFullAgentPolicy(
     {
       logs: agentPolicy.monitoring_enabled?.includes(dataTypes.Logs) ?? false,
       metrics: agentPolicy.monitoring_enabled?.includes(dataTypes.Metrics) ?? false,
+      traces: agentPolicy.monitoring_enabled?.includes(dataTypes.Traces) ?? false,
     },
     agentPolicy.namespace
   );