feat(dashmate): collect docker stats in the doctor command

packages/dashmate/src/doctor/analyse/analyseServiceContainersFactory.js

@@ -20,9 +20,12 @@ export default function analyseServiceContainersFactory(
     const servicesNotStarted = [];
     const servicesFailed = [];
     const servicesOOMKilled = [];
+    const servicesHighCpuUsage = [];
+    const servicesHighMemoryUsage = [];
 
     for (const service of services) {
       const dockerInspect = samples.getServiceInfo(service.name, 'dockerInspect');
+      const dockerStats = samples.getServiceInfo(service.name, 'dockerStats');
 
       if (!dockerInspect) {
         continue;
@@ -47,6 +50,34 @@ export default function analyseServiceContainersFactory(
           service,
         });
       }
+
+      const cpuSystemUsage = dockerStats?.cpuStats?.system_cpu_usage ?? 0;
+      const cpuServiceUsage = dockerStats?.cpuStats?.cpu_usage?.total_usage ?? 0;
+
+      if (cpuSystemUsage > 0) {
+        const cpuUsage = cpuServiceUsage / cpuSystemUsage;
+
+        if (cpuUsage > 0.8) {
+          servicesHighCpuUsage.push({
+            service,
+            cpuUsage,
+          });
+        }
+      }
+
+      const memoryLimit = dockerStats?.memoryStats?.limit ?? 0;
+      const memoryServiceUsage = dockerStats?.memoryStats?.usage ?? 0;
+
+      if (memoryLimit > 0) {
+        const memoryUsage = memoryServiceUsage / memoryLimit;
+
+        if (memoryUsage > 0.8) {
+          servicesHighMemoryUsage.push({
+            service,
+            memoryUsage,
+          });
+        }
+      }
     }
 
     const problems = [];
@@ -103,6 +134,34 @@ export default function analyseServiceContainersFactory(
       problems.push(problem);
     }
 
+    if (servicesHighCpuUsage.length > 0) {
+      for (const highCpuService of servicesHighCpuUsage) {
+        const description = `Service ${highCpuService.service.title} is consuming ${(highCpuService.cpuUsage * 100).toFixed(2)}% CPU.`;
+
+        const problem = new Problem(
+          description,
+          'Consider upgrading CPU or report in case of misbehaviour.',
+          SEVERITY.MEDIUM,
+        );
+
+        problems.push(problem);
+      }
+    }
+
+    if (servicesHighMemoryUsage.length > 0) {
+      for (const highMemoryService of servicesHighMemoryUsage) {
+        const description = `Service ${highMemoryService.service.title} is consuming ${(highMemoryService.memoryUsage * 100).toFixed(2)}% RAM.`;
+
+        const problem = new Problem(
+          description,
+          'Consider upgrading RAM or report in case of misbehaviour.',
+          SEVERITY.MEDIUM,
+        );
+
+        problems.push(problem);
+      }
+    }
+
     return problems;
   }
 

packages/dashmate/src/listr/tasks/doctor/collectSamplesTaskFactory.js

@@ -2,6 +2,7 @@ import fs from 'fs';
 import { Listr } from 'listr2';
 import path from 'path';
 import process from 'process';
+import si from 'systeminformation';
 import obfuscateConfig from '../../../config/obfuscateConfig.js';
 import { DASHMATE_VERSION } from '../../../constants.js';
 import Certificate from '../../../ssl/zerossl/Certificate.js';
@@ -312,20 +313,23 @@ export default function collectSamplesTaskFactory(
           },
         },
         {
-          title: 'Logs',
-          task: async (ctx, task) => {
+          title: 'Docker containers info',
+          task: async (ctx) => {
             const services = await getServiceList(config);
 
-            // eslint-disable-next-line no-param-reassign
-            task.output = `Pulling logs from ${services.map((e) => e.name)}`;
-
             await Promise.all(
               services.map(async (service) => {
                 const [inspect, logs] = (await Promise.allSettled([
                   dockerCompose.inspectService(config, service.name),
                   dockerCompose.logs(config, [service.name], { tail: 300000 }),
                 ])).map((e) => e.value || e.reason);
 
+                const containerId = inspect?.Id;
+                let dockerStats;
+                if (containerId) {
+                  dockerStats = await si.dockerContainerStats(containerId);
+                }
+
                 if (logs?.out) {
                   // Hide username & external ip from logs
                   logs.out = logs.out.replaceAll(
@@ -354,6 +358,7 @@ export default function collectSamplesTaskFactory(
                 ctx.samples.setServiceInfo(service.name, 'stdOut', logs?.out);
                 ctx.samples.setServiceInfo(service.name, 'stdErr', logs?.err);
                 ctx.samples.setServiceInfo(service.name, 'dockerInspect', inspect);
+                ctx.samples.setServiceInfo(service.name, 'dockerStats', dockerStats);
               }),
             );
           },