openhim-core/lib/model/metrics.js

The OpenHIM core application that provides logging and routing of http requests

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.MetricModel = exports.METRIC_TYPE_DAY = exports.METRIC_TYPE_HOUR = exports.METRIC_TYPE_MINUTE = undefined;

var _mongoose = require('mongoose');

var _config = require('../config');

const METRIC_TYPE_MINUTE = exports.METRIC_TYPE_MINUTE = 'm';
const METRIC_TYPE_HOUR = exports.METRIC_TYPE_HOUR = 'h';
const METRIC_TYPE_DAY = exports.METRIC_TYPE_DAY = 'd';

const MetricsSchema = new _mongoose.Schema({
  startTime: {
    type: Date,
    required: true
  },
  type: {
    type: String,
    enum: [METRIC_TYPE_MINUTE, METRIC_TYPE_HOUR, METRIC_TYPE_DAY],
    required: true
  },
  channelID: {
    type: _mongoose.Schema.Types.ObjectId,
    required: true
  },
  requests: {
    type: Number,
    default: 0
  },
  // Sum of response time for all requests
  responseTime: {
    type: Number,
    default: 0
  },
  minResponseTime: {
    type: Number,
    default: 0
  },
  maxResponseTime: {
    type: Number,
    default: 0
  },
  failed: {
    type: Number,
    default: 0
  },
  successful: {
    type: Number,
    default: 0
  },
  processing: {
    type: Number,
    default: 0
  },
  completed: {
    type: Number,
    default: 0
  },
  completedWithErrors: {
    type: Number,
    default: 0
  }
});

// Expire minute buckets after an hour
MetricsSchema.index('startTime', {
  expires: '1h',
  partialFilterExpression: {
    type: METRIC_TYPE_MINUTE
  }
});

// Index for aggregation match stage
MetricsSchema.index({
  startTime: 1,
  channelID: 1,
  type: 1
});

const MetricModel = exports.MetricModel = _config.connectionAPI.model('Metric', MetricsSchema);
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