Migrating device-monitoring into device-registry microservice

src/device-registry/bin/jobs/device-status-check-job.js

@@ -0,0 +1,216 @@
+const constants = require("@config/constants");
+const log4js = require("log4js");
+const logger = log4js.getLogger(
+  `${constants.ENVIRONMENT} -- /bin/jobs/device-status-check-job`
+);
+const cron = require("node-cron");
+const moment = require("moment-timezone");
+const axios = require("axios");
+const { logText, logObject } = require("@utils/log");
+const DeviceModel = require("@models/Device");
+const DeviceStatusModel = require("@models/DeviceStatus");
+
+const TIMEZONE = moment.tz.guess();
+const MAX_ONLINE_ACCEPTABLE_DURATION = 3600; // 1 hour
+const DUE_FOR_MAINTENANCE_DURATION = 86400 * 7; // 7 days
+const BATCH_SIZE = 100; // Process devices in batches for better memory management
+
+const processDeviceBatch = async (devices) => {
+  const metrics = {
+    online: { count: 0, devices: [] },
+    offline: { count: 0, devices: [] },
+    power: { solar: 0, mains: 0, alternator: 0 },
+    maintenance: { due: 0, overdue: 0, unspecified: 0 },
+  };
+
+  const currentDateTime = new Date();
+
+  await Promise.all(
+    devices.map(async (device) => {
+      try {
+        if (!device.device_number) return;
+
+        const response = await axios.get(
+          `${process.env.RECENT_FEEDS_URL}?channel=${device.device_number}`,
+          {
+            httpsAgent: new https.Agent({ rejectUnauthorized: false }),
+            timeout: 5000, // Add timeout to prevent hanging requests
+          }
+        );
+
+        const deviceStatus = {
+          device_id: device._id,
+          name: device.name,
+          latitude: device.latitude,
+          longitude: device.longitude,
+        };
+
+        if (response.status === 200) {
+          const result = response.data;
+          const lastFeedDateTime = new Date(result.created_at);
+          const timeDifference = (currentDateTime - lastFeedDateTime) / 1000;
+
+          deviceStatus.elapsed_time = timeDifference;
+
+          if (timeDifference <= MAX_ONLINE_ACCEPTABLE_DURATION) {
+            metrics.online.devices.push(deviceStatus);
+            metrics.online.count++;
+          } else {
+            metrics.offline.devices.push(deviceStatus);
+            metrics.offline.count++;
+          }
+
+          // Update power metrics
+          const powerType = (
+            device.powerType ||
+            device.power ||
+            ""
+          ).toLowerCase();
+          if (powerType === "solar") metrics.power.solar++;
+          else if (powerType === "mains") metrics.power.mains++;
+          else if (["alternator", "battery"].includes(powerType))
+            metrics.power.alternator++;
+
+          // Update maintenance metrics
+          if (device.nextMaintenance) {
+            const maintenanceDuration =
+              (currentDateTime - new Date(device.nextMaintenance)) / 1000;
+            if (
+              maintenanceDuration <= 0 &&
+              Math.abs(maintenanceDuration) <= DUE_FOR_MAINTENANCE_DURATION
+            ) {
+              metrics.maintenance.due++;
+            } else if (maintenanceDuration > 0) {
+              metrics.maintenance.overdue++;
+            }
+          } else {
+            metrics.maintenance.unspecified++;
+          }
+        } else {
+          metrics.offline.devices.push({ ...deviceStatus, elapsed_time: -1 });
+          metrics.offline.count++;
+        }
+      } catch (error) {
+        logger.error(
+          `Error processing device ${device.name}: ${error.message}`
+        );
+      }
+    })
+  );
+
+  return metrics;
+};
+
+const computeDeviceChannelStatus = async (tenant) => {
+  try {
+    const startTime = Date.now();
+    logText("Starting device status check...");
+
+    // Get active devices count first
+    const totalActiveDevices = await DeviceModel(tenant).countDocuments({
+      $and: [
+        {
+          $or: [
+            { isActive: true },
+            {
+              $and: [
+                { mobility: { $exists: true } },
+                { powerType: { $exists: true } },
+              ],
+            },
+          ],
+        },
+        { network: "airqo" },
+      ],
+    });
+
+    // Process devices in batches
+    let processedCount = 0;
+    const finalMetrics = {
+      online: { count: 0, devices: [] },
+      offline: { count: 0, devices: [] },
+      power: { solar: 0, mains: 0, alternator: 0 },
+      maintenance: { due: 0, overdue: 0, unspecified: 0 },
+    };
+
+    while (processedCount < totalActiveDevices) {
+      const devices = await DeviceModel(tenant)
+        .find({
+          $and: [
+            {
+              $or: [
+                { isActive: true },
+                {
+                  $and: [
+                    { mobility: { $exists: true } },
+                    { powerType: { $exists: true } },
+                  ],
+                },
+              ],
+            },
+            { network: "airqo" },
+          ],
+        })
+        .skip(processedCount)
+        .limit(BATCH_SIZE)
+        .lean();
+
+      const batchMetrics = await processDeviceBatch(devices);
+
+      // Merge batch metrics with final metrics
+      Object.keys(finalMetrics).forEach((key) => {
+        if (Array.isArray(finalMetrics[key].devices)) {
+          finalMetrics[key].devices.push(...batchMetrics[key].devices);
+          finalMetrics[key].count += batchMetrics[key].count;
+        } else {
+          Object.keys(finalMetrics[key]).forEach((subKey) => {
+            finalMetrics[key][subKey] += batchMetrics[key][subKey];
+          });
+        }
+      });
+
+      processedCount += devices.length;
+      logText(`Processed ${processedCount}/${totalActiveDevices} devices`);
+    }
+
+    // Save status record
+    const deviceStatusRecord = new DeviceStatusModel({
+      created_at: new Date(),
+      total_active_device_count: totalActiveDevices,
+      metrics: {
+        online: {
+          count: finalMetrics.online.count,
+          devices: finalMetrics.online.devices,
+        },
+        offline: {
+          count: finalMetrics.offline.count,
+          devices: finalMetrics.offline.devices,
+        },
+      },
+      power_metrics: finalMetrics.power,
+      maintenance_metrics: finalMetrics.maintenance,
+    });
+
+    await deviceStatusRecord.save();
+
+    const duration = (Date.now() - startTime) / 1000;
+    logger.info(`Device status check completed in ${duration}s`);
+    logObject("Final metrics", finalMetrics);
+  } catch (error) {
+    logger.error(`Error in device status check: ${error.message}`);
+    logger.error(`Stack trace: ${error.stack}`);
+  }
+};
+
+// Run the job for 'airqo' tenant
+const runDeviceStatusCheck = async () => {
+  await computeDeviceChannelStatus("airqo");
+};
+
+// Schedule the job (every 2 hours)
+cron.schedule("0 */2 * * *", runDeviceStatusCheck, {
+  scheduled: true,
+  timezone: TIMEZONE,
+});
+
+module.exports = { computeDeviceChannelStatus, runDeviceStatusCheck };

src/device-registry/bin/jobs/device-status-hourly-check-job.js

@@ -0,0 +1,176 @@
+const constants = require("@config/constants");
+const log4js = require("log4js");
+const logger = log4js.getLogger(
+  `${constants.ENVIRONMENT} -- /bin/jobs/device-status-hourly-check-job`
+);
+const cron = require("node-cron");
+const moment = require("moment-timezone");
+const math = require("mathjs");
+const DeviceModel = require("@models/Device");
+const DeviceStatusModel = require("@models/DeviceStatus");
+const createFeedUtil = require("@utils/create-feed");
+
+const TIMEZONE = moment.tz.guess();
+const BATCH_SIZE = 50;
+const OFFLINE_THRESHOLD_HOURS = 24;
+
+const convertSecondsToReadableFormat = (secondsToConvert) => {
+  const days = Math.floor(secondsToConvert / (24 * 3600));
+  secondsToConvert %= 24 * 3600;
+  const hours = Math.floor(secondsToConvert / 3600);
+  secondsToConvert %= 3600;
+  const minutes = Math.floor(secondsToConvert / 60);
+  const seconds = Math.floor(secondsToConvert % 60);
+
+  return `${days} days ${hours} hours ${minutes} minutes ${seconds} seconds`;
+};
+
+const getDeviceLastFeed = async (channelID) => {
+  try {
+    const api_key = await createFeedUtil.getAPIKey(channelID);
+    const request = { channel: channelID, api_key };
+    const thingspeakData = await createFeedUtil.fetchThingspeakData(request);
+    const { status, data } = createFeedUtil.handleThingspeakResponse(
+      thingspeakData
+    );
+
+    if (status === 200) {
+      return data;
+    }
+    return null;
+  } catch (error) {
+    logger.error(
+      `Error getting last feed for channel ${channelID}: ${error.message}`
+    );
+    return null;
+  }
+};
+
+const processDeviceBatch = async (devices) => {
+  const metrics = {
+    online: { count: 0, devices: [] },
+    offline: { count: 0, devices: [] },
+  };
+
+  await Promise.all(
+    devices.map(async (device) => {
+      try {
+        if (!device.channelID) return;
+
+        const lastFeed = await getDeviceLastFeed(device.channelID);
+
+        if (lastFeed) {
+          const currentDateTime = new Date();
+          const lastFeedDateTime = new Date(lastFeed.created_at);
+
+          const timeDifferenceHours =
+            (currentDateTime - lastFeedDateTime) / 3600000;
+          const timeDifferenceSeconds =
+            (currentDateTime - lastFeedDateTime) / 1000;
+
+          const deviceMetric = {
+            device_id: device._id,
+            name: device.name,
+            channelID: device.channelID,
+            elapsed_time: timeDifferenceHours,
+            elapsed_time_readable: convertSecondsToReadableFormat(
+              timeDifferenceSeconds
+            ),
+            latitude: device.latitude,
+            longitude: device.longitude,
+          };
+
+          if (timeDifferenceHours > OFFLINE_THRESHOLD_HOURS) {
+            metrics.offline.devices.push(deviceMetric);
+            metrics.offline.count++;
+          } else {
+            metrics.online.devices.push(deviceMetric);
+            metrics.online.count++;
+          }
+        }
+      } catch (error) {
+        logger.error(
+          `Error processing device ${device.name}: ${error.message}`
+        );
+      }
+    })
+  );
+
+  return metrics;
+};
+
+const deviceStatusHourlyCheck = async () => {
+  try {
+    const startTime = Date.now();
+    logger.info("Starting hourly device status check...");
+
+    const totalActiveDevices = await DeviceModel("airqo").countDocuments({
+      locationID: { $ne: "" },
+      isActive: true,
+    });
+
+    let processedCount = 0;
+    const finalMetrics = {
+      online: { count: 0, devices: [] },
+      offline: { count: 0, devices: [] },
+    };
+
+    while (processedCount < totalActiveDevices) {
+      const devices = await DeviceModel("airqo")
+        .find({
+          locationID: { $ne: "" },
+          isActive: true,
+        })
+        .skip(processedCount)
+        .limit(BATCH_SIZE)
+        .lean();
+
+      const batchMetrics = await processDeviceBatch(devices);
+
+      ["online", "offline"].forEach((status) => {
+        finalMetrics[status].devices.push(...batchMetrics[status].devices);
+        finalMetrics[status].count += batchMetrics[status].count;
+      });
+
+      processedCount += devices.length;
+      logger.info(`Processed ${processedCount}/${totalActiveDevices} devices`);
+    }
+
+    const total = finalMetrics.online.count + finalMetrics.offline.count;
+    finalMetrics.online.percentage = math.floor(
+      (finalMetrics.online.count / total) * 100
+    );
+    finalMetrics.offline.percentage = math.floor(
+      (finalMetrics.offline.count / total) * 100
+    );
+
+    const deviceStatusRecord = new DeviceStatusModel({
+      created_at: new Date(),
+      total_active_device_count: total,
+      metrics: finalMetrics,
+      check_type: "hourly",
+    });
+
+    await deviceStatusRecord.save();
+
+    const duration = (Date.now() - startTime) / 1000;
+    logger.info(`
+      Device Status Check Complete (${duration}s)
+      Total Devices: ${total}
+      Online Devices: ${finalMetrics.online.count} (${finalMetrics.online.percentage}%)
+      Offline Devices: ${finalMetrics.offline.count} (${finalMetrics.offline.percentage}%)
+    `);
+  } catch (error) {
+    logger.error(`Error in device status hourly check: ${error.message}`);
+    logger.error(`Stack trace: ${error.stack}`);
+  }
+};
+
+logger.info("Device status hourly check job is now running.....");
+
+cron.schedule("0 * * * *", deviceStatusHourlyCheck, {
+  scheduled: true,
+  timezone: TIMEZONE,
+});
+
+module.exports = { deviceStatusHourlyCheck };