@itentialopensource/adapter-zabbix/adapter.js

zabbix adapter

/* @copyright Itential, LLC 2019 */

/* eslint import/no-dynamic-require: warn */
/* eslint object-curly-newline: warn */
/* eslint no-underscore-dangle: warn  */
/* eslint camelcase: warn  */

// Set globals
/* global log */
// requestId counter is used for every jsonRPC call to uniquely match the request with the response
// ZabbixToken is used for authenticating with Zabbix JSONRPC endpoint. All requests need to have a token
let requestId = 1;
let zabbixToken = null;

/* Required libraries.  */
const path = require('path');

/* Fetch in the other needed components for the this Adaptor */
const AdapterBaseCl = require(path.join(__dirname, 'adapterBase.js'));
const rpcPayloads = require(path.join(__dirname, 'rpc_payloads/payloads.js'));

/**
 * This is the adapter/interface into Zabbix
 */

/* GENERAL ADAPTER FUNCTIONS */
class Zabbix extends AdapterBaseCl {
  /**
   * Zabbix Adapter
   * @constructor
   */
  /* Working on changing the way we do Emit methods due to size and time constrainsts
  constructor(prongid, properties) {
    // Instantiate the AdapterBase super class
    super(prongid, properties);

    const restFunctionNames = this.getWorkflowFunctions();

    // Dynamically bind emit functions
    for (let i = 0; i < restFunctionNames.length; i += 1) {
      // Bind function to have name fnNameEmit for fnName
      const version = restFunctionNames[i].match(/__v[0-9]+/);
      const baseFnName = restFunctionNames[i].replace(/__v[0-9]+/, '');
      const fnNameEmit = version ? `${baseFnName}Emit${version}` : `${baseFnName}Emit`;
      this[fnNameEmit] = function (...args) {
        // extract the callback
        const callback = args[args.length - 1];
        // slice the callback from args so we can insert our own
        const functionArgs = args.slice(0, args.length - 1);
        // create a random name for the listener
        const eventName = `${restFunctionNames[i]}:${Math.random().toString(36)}`;
        // tell the calling class to start listening
        callback({ event: eventName, status: 'received' });
        // store parent for use of this context later
        const parent = this;
        // store emission function
        const func = function (val, err) {
          parent.removeListener(eventName, func);
          parent.emit(eventName, val, err);
        };
        // Use apply to call the function in a specific context
        this[restFunctionNames[i]].apply(this, functionArgs.concat([func])); // eslint-disable-line prefer-spread
      };
    }

    // Uncomment if you have things to add to the constructor like using your own properties.
    // Otherwise the constructor in the adapterBase will be used.
    // Capture my own properties - they need to be defined in propertiesSchema.json
    // if (this.allProps && this.allProps.myownproperty) {
    //   mypropvariable = this.allProps.myownproperty;
    // }
  }
  */

  /**
   * @callback healthCallback
   * @param {Object} reqObj - the request to send into the healthcheck
   * @param {Callback} callback - The results of the call
   */
  healthCheck(reqObj, callback) {
    this.emit('OFFLINE', { id: this.id });

    this.postEntity(rpcPayloads.getVersion, (data, error) => {
      if (error) {
        this.emit('OFFLINE', { id: this.id });
        log.error('Unable to connect to Zabbix: ', error);
        zabbixToken = null; // Remove the token, Zabbix may be restarting now
        return callback(false);
      } // else
      // Connectivity good, get a token if local adapter authentication
      if (this.allProps.authentication.auth_method === 'no_authentication' && !zabbixToken) {
        const body = rpcPayloads.authenticate;
        body.params = {
          user: this.allProps.authentication.username,
          username: this.allProps.authentication.username,
          password: this.allProps.authentication.password
        };
        return this.postEntity(body, (authData, authError) => {
          if (authError) {
            this.emit('OFFLINE', { id: this.id });
            log.error('Unable to authenticate in Zabbix: Please check your credentials. Full error is following');
            log.error(authError);
            return callback(false);
          } // else
          // Authentication succeeded. Cache the token for future requests
          zabbixToken = authData.response;
          this.emit('ONLINE', { id: this.id });
          return callback(true);
        });
      }
      // Healthcheck successful with normal adapter authentication
      this.emit('ONLINE', { id: this.id });
      return callback(true);
    });
  }

  /**
   * @iapGetAdapterWorkflowFunctions
   */
  iapGetAdapterWorkflowFunctions(inIgnore) {
    let myIgnore = [
      'healthCheck',
      'iapGetAdapterWorkflowFunctions',
      'hasEntities',
      'getAuthorization'
    ];
    if (!inIgnore && Array.isArray(inIgnore)) {
      myIgnore = inIgnore;
    } else if (!inIgnore && typeof inIgnore === 'string') {
      myIgnore = [inIgnore];
    }

    // The generic adapter functions should already be ignored (e.g. healthCheck)
    // you can add specific methods that you do not want to be workflow functions to ignore like below
    // myIgnore.push('myMethodNotInWorkflow');

    return super.iapGetAdapterWorkflowFunctions(myIgnore);
  }

  /**
   * iapUpdateAdapterConfiguration is used to update any of the adapter configuration files. This
   * allows customers to make changes to adapter configuration without having to be on the
   * file system.
   *
   * @function iapUpdateAdapterConfiguration
   * @param {string} configFile - the name of the file being updated (required)
   * @param {Object} changes - an object containing all of the changes = formatted like the configuration file (required)
   * @param {string} entity - the entity to be changed, if an action, schema or mock data file (optional)
   * @param {string} type - the type of entity file to change, (action, schema, mock) (optional)
   * @param {string} action - the action to be changed, if an action, schema or mock data file (optional)
   * @param {boolean} replace - true to replace entire mock data, false to merge/append
   * @param {Callback} callback - The results of the call
   */
  iapUpdateAdapterConfiguration(configFile, changes, entity, type, action, replace, callback) {
    const meth = 'adapter-iapUpdateAdapterConfiguration';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    super.iapUpdateAdapterConfiguration(configFile, changes, entity, type, action, replace, callback);
  }

  /**
    * @summary Suspends adapter
    *
    * @function iapSuspendAdapter
    * @param {Callback} callback - callback function
    */
  iapSuspendAdapter(mode, callback) {
    const meth = 'adapter-iapSuspendAdapter';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    try {
      return super.iapSuspendAdapter(mode, callback);
    } catch (error) {
      log.error(`${origin}: ${error}`);
      return callback(null, error);
    }
  }

  /**
    * @summary Unsuspends adapter
    *
    * @function iapUnsuspendAdapter
    * @param {Callback} callback - callback function
    */
  iapUnsuspendAdapter(callback) {
    const meth = 'adapter-iapUnsuspendAdapter';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    try {
      return super.iapUnsuspendAdapter(callback);
    } catch (error) {
      log.error(`${origin}: ${error}`);
      return callback(null, error);
    }
  }

  /**
    * @summary Get the Adapter Queue
    *
    * @function iapGetAdapterQueue
    * @param {Callback} callback - callback function
    */
  iapGetAdapterQueue(callback) {
    const meth = 'adapter-iapGetAdapterQueue';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    return super.iapGetAdapterQueue(callback);
  }

  /* SCRIPT CALLS */
  /**
   * See if the API path provided is found in this adapter
   *
   * @function iapFindAdapterPath
   * @param {string} apiPath - the api path to check on
   * @param {Callback} callback - The results of the call
   */
  iapFindAdapterPath(apiPath, callback) {
    const meth = 'adapter-iapFindAdapterPath';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    super.iapFindAdapterPath(apiPath, callback);
  }

  /**
  * @summary Runs troubleshoot scripts for adapter
  *
  * @function iapTroubleshootAdapter
  * @param {Object} props - the connection, healthcheck and authentication properties
  *
  * @param {Callback} callback - The results of the call
  */
  iapTroubleshootAdapter(props, callback) {
    const meth = 'adapter-iapTroubleshootAdapter';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    try {
      return super.iapTroubleshootAdapter(props, this, callback);
    } catch (error) {
      log.error(`${origin}: ${error}`);
      return callback(null, error);
    }
  }

  /**
    * @summary runs healthcheck script for adapter
    *
    * @function iapRunAdapterHealthcheck
    * @param {Adapter} adapter - adapter instance to troubleshoot
    * @param {Callback} callback - callback function
    */
  iapRunAdapterHealthcheck(callback) {
    const meth = 'adapter-iapRunAdapterHealthcheck';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    try {
      return super.iapRunAdapterHealthcheck(this, callback);
    } catch (error) {
      log.error(`${origin}: ${error}`);
      return callback(null, error);
    }
  }

  /**
    * @summary runs connectivity check script for adapter
    *
    * @function iapRunAdapterConnectivity
    * @param {Callback} callback - callback function
    */
  iapRunAdapterConnectivity(callback) {
    const meth = 'adapter-iapRunAdapterConnectivity';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    try {
      return super.iapRunAdapterConnectivity(callback);
    } catch (error) {
      log.error(`${origin}: ${error}`);
      return callback(null, error);
    }
  }

  /**
    * @summary runs basicGet script for adapter
    *
    * @function iapRunAdapterBasicGet
    * @param {number} maxCalls - how many GET endpoints to test (optional)
    * @param {Callback} callback - callback function
    */
  iapRunAdapterBasicGet(maxCalls, callback) {
    const meth = 'adapter-iapRunAdapterBasicGet';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    try {
      return super.iapRunAdapterBasicGet(maxCalls, callback);
    } catch (error) {
      log.error(`${origin}: ${error}`);
      return callback(null, error);
    }
  }

  /**
   * @summary moves entites into Mongo DB
   *
   * @function iapMoveAdapterEntitiesToDB
   * @param {getCallback} callback - a callback function to return the result (Generics)
   *                                  or the error
   */
  iapMoveAdapterEntitiesToDB(callback) {
    const meth = 'adapter-iapMoveAdapterEntitiesToDB';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    try {
      return super.iapMoveAdapterEntitiesToDB(callback);
    } catch (err) {
      log.error(`${origin}: ${err}`);
      return callback(null, err);
    }
  }

  /**
   * @summary Deactivate adapter tasks
   *
   * @function iapDeactivateTasks
   *
   * @param {Array} tasks - List of tasks to deactivate
   * @param {Callback} callback
   */
  iapDeactivateTasks(tasks, callback) {
    const meth = 'adapter-iapDeactivateTasks';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    try {
      return super.iapDeactivateTasks(tasks, callback);
    } catch (err) {
      log.error(`${origin}: ${err}`);
      return callback(null, err);
    }
  }

  /**
   * @summary Activate adapter tasks that have previously been deactivated
   *
   * @function iapActivateTasks
   *
   * @param {Array} tasks - List of tasks to activate
   * @param {Callback} callback
   */
  iapActivateTasks(tasks, callback) {
    const meth = 'adapter-iapActivateTasks';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    try {
      return super.iapActivateTasks(tasks, callback);
    } catch (err) {
      log.error(`${origin}: ${err}`);
      return callback(null, err);
    }
  }

  /* CACHE CALLS */
  /**
   * @summary Populate the cache for the given entities
   *
   * @function iapPopulateEntityCache
   * @param {String/Array of Strings} entityType - the entity type(s) to populate
   * @param {Callback} callback - whether the cache was updated or not for each entity type
   *
   * @returns status of the populate
   */
  iapPopulateEntityCache(entityTypes, callback) {
    const meth = 'adapter-iapPopulateEntityCache';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    try {
      return super.iapPopulateEntityCache(entityTypes, callback);
    } catch (err) {
      log.error(`${origin}: ${err}`);
      return callback(null, err);
    }
  }

  /**
   * @summary Retrieves data from cache for specified entity type
   *
   * @function iapRetrieveEntitiesCache
   * @param {String} entityType - entity of which to retrieve
   * @param {Object} options - settings of which data to return and how to return it
   * @param {Callback} callback - the data if it was retrieved
   */
  iapRetrieveEntitiesCache(entityType, options, callback) {
    const meth = 'adapter-iapCheckEiapRetrieveEntitiesCachentityCached';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    try {
      return super.iapRetrieveEntitiesCache(entityType, options, callback);
    } catch (err) {
      log.error(`${origin}: ${err}`);
      return callback(null, err);
    }
  }

  /* BROKER CALLS */
  /**
   * @summary Determines if this adapter supports any in a list of entities
   *
   * @function hasEntities
   * @param {String} entityType - the entity type to check for
   * @param {Array} entityList - the list of entities we are looking for
   *
   * @param {Callback} callback - A map where the entity is the key and the
   *                              value is true or false
   */
  hasEntities(entityType, entityList, callback) {
    const meth = 'adapter-hasEntities';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    try {
      return super.hasEntities(entityType, entityList, callback);
    } catch (err) {
      log.error(`${origin}: ${err}`);
      return callback(null, err);
    }
  }

  /**
   * @summary Get Appliance that match the deviceName
   *
   * @function getDevice
   * @param {String} deviceName - the deviceName to find (required)
   *
   * @param {getCallback} callback - a callback function to return the result
   *                                 (appliance) or the error
   */
  getDevice(deviceName, callback) {
    const meth = 'adapter-getDevice';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    try {
      return super.getDevice(deviceName, callback);
    } catch (err) {
      log.error(`${origin}: ${err}`);
      return callback(null, err);
    }
  }

  /**
   * @summary Get Appliances that match the filter
   *
   * @function getDevicesFiltered
   * @param {Object} options - the data to use to filter the appliances (optional)
   *
   * @param {getCallback} callback - a callback function to return the result
   *                                 (appliances) or the error
   */
  getDevicesFiltered(options, callback) {
    const meth = 'adapter-getDevicesFiltered';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    try {
      return super.getDevicesFiltered(options, callback);
    } catch (err) {
      log.error(`${origin}: ${err}`);
      return callback(null, err);
    }
  }

  /**
   * @summary Gets the status for the provided appliance
   *
   * @function isAlive
   * @param {String} deviceName - the deviceName of the appliance. (required)
   *
   * @param {configCallback} callback - callback function to return the result
   *                                    (appliance isAlive) or the error
   */
  isAlive(deviceName, callback) {
    const meth = 'adapter-isAlive';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    try {
      return super.isAlive(deviceName, callback);
    } catch (err) {
      log.error(`${origin}: ${err}`);
      return callback(null, err);
    }
  }

  /**
   * @summary Gets a config for the provided Appliance
   *
   * @function getConfig
   * @param {String} deviceName - the deviceName of the appliance. (required)
   * @param {String} format - the desired format of the config. (optional)
   *
   * @param {configCallback} callback - callback function to return the result
   *                                    (appliance config) or the error
   */
  getConfig(deviceName, format, callback) {
    const meth = 'adapter-getConfig';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    try {
      return super.getConfig(deviceName, format, callback);
    } catch (err) {
      log.error(`${origin}: ${err}`);
      return callback(null, err);
    }
  }

  /**
   * @summary Gets the device count from the system
   *
   * @function iapGetDeviceCount
   *
   * @param {getCallback} callback - callback function to return the result
   *                                    (count) or the error
   */
  iapGetDeviceCount(callback) {
    const meth = 'adapter-iapGetDeviceCount';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    try {
      return super.iapGetDeviceCount(callback);
    } catch (err) {
      log.error(`${origin}: ${err}`);
      return callback(null, err);
    }
  }

  /* GENERIC ADAPTER REQUEST - allows extension of adapter without new calls being added */
  /**
   * Makes the requested generic call
   *
   * @function iapExpandedGenericAdapterRequest
   * @param {Object} metadata - metadata for the call (optional).
   *                 Can be a stringified Object.
   * @param {String} uriPath - the path of the api call - do not include the host, port, base path or version (optional)
   * @param {String} restMethod - the rest method (GET, POST, PUT, PATCH, DELETE) (optional)
   * @param {Object} pathVars - the parameters to be put within the url path (optional).
   *                 Can be a stringified Object.
   * @param {Object} queryData - the parameters to be put on the url (optional).
   *                 Can be a stringified Object.
   * @param {Object} requestBody - the body to add to the request (optional).
   *                 Can be a stringified Object.
   * @param {Object} addlHeaders - additional headers to be put on the call (optional).
   *                 Can be a stringified Object.
   * @param {getCallback} callback - a callback function to return the result (Generics)
   *                 or the error
   */
  iapExpandedGenericAdapterRequest(metadata, uriPath, restMethod, pathVars, queryData, requestBody, addlHeaders, callback) {
    const meth = 'adapter-iapExpandedGenericAdapterRequest';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    try {
      return super.iapExpandedGenericAdapterRequest(metadata, uriPath, restMethod, pathVars, queryData, requestBody, addlHeaders, callback);
    } catch (err) {
      log.error(`${origin}: ${err}`);
      return callback(null, err);
    }
  }

  /**
   * Makes the requested generic call
   *
   * @function genericAdapterRequest
   * @param {String} uriPath - the path of the api call - do not include the host, port, base path or version (required)
   * @param {String} restMethod - the rest method (GET, POST, PUT, PATCH, DELETE) (required)
   * @param {Object} queryData - the parameters to be put on the url (optional).
   *                 Can be a stringified Object.
   * @param {Object} requestBody - the body to add to the request (optional).
   *                 Can be a stringified Object.
   * @param {Object} addlHeaders - additional headers to be put on the call (optional).
   *                 Can be a stringified Object.
   * @param {getCallback} callback - a callback function to return the result (Generics)
   *                 or the error
   */
  genericAdapterRequest(uriPath, restMethod, queryData, requestBody, addlHeaders, callback) {
    const meth = 'adapter-genericAdapterRequest';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    try {
      return super.genericAdapterRequest(uriPath, restMethod, queryData, requestBody, addlHeaders, callback);
    } catch (err) {
      log.error(`${origin}: ${err}`);
      return callback(null, err);
    }
  }

  /**
   * Makes the requested generic call with no base path or version
   *
   * @function genericAdapterRequestNoBasePath
   * @param {String} uriPath - the path of the api call - do not include the host, port, base path or version (required)
   * @param {String} restMethod - the rest method (GET, POST, PUT, PATCH, DELETE) (required)
   * @param {Object} queryData - the parameters to be put on the url (optional).
   *                 Can be a stringified Object.
   * @param {Object} requestBody - the body to add to the request (optional).
   *                 Can be a stringified Object.
   * @param {Object} addlHeaders - additional headers to be put on the call (optional).
   *                 Can be a stringified Object.
   * @param {getCallback} callback - a callback function to return the result (Generics)
   *                 or the error
   */
  genericAdapterRequestNoBasePath(uriPath, restMethod, queryData, requestBody, addlHeaders, callback) {
    const meth = 'adapter-genericAdapterRequestNoBasePath';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    try {
      return super.genericAdapterRequestNoBasePath(uriPath, restMethod, queryData, requestBody, addlHeaders, callback);
    } catch (err) {
      log.error(`${origin}: ${err}`);
      return callback(null, err);
    }
  }

  /* INVENTORY CALLS */
  /**
   * @summary run the adapter lint script to return the results.
   *
   * @function iapRunAdapterLint
   * @param {Callback} callback - callback function
   */
  iapRunAdapterLint(callback) {
    const meth = 'adapter-iapRunAdapterLint';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    return super.iapRunAdapterLint(callback);
  }

  /**
   * @summary run the adapter test scripts (baseunit and unit) to return the results.
   *    can not run integration as there can be implications with that.
   *
   * @function iapRunAdapterTests
   * @param {Callback} callback - callback function
   */
  iapRunAdapterTests(callback) {
    const meth = 'adapter-iapRunAdapterTests';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    return super.iapRunAdapterTests(callback);
  }

  /**
   * @summary provide inventory information abbout the adapter
   *
   * @function iapGetAdapterInventory
   * @param {Callback} callback - callback function
   */
  iapGetAdapterInventory(callback) {
    const meth = 'adapter-iapGetAdapterInventory';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    return super.iapGetAdapterInventory(callback);
  }

  /**
   * @callback healthCallback
   * @param {Object} result - the result of the get request (contains an id and a status)
   */
  /**
   * @callback getCallback
   * @param {Object} result - the result of the get request (entity/ies)
   * @param {String} error - any error that occurred
   */
  /**
   * @callback createCallback
   * @param {Object} item - the newly created entity
   * @param {String} error - any error that occurred
   */
  /**
   * @callback updateCallback
   * @param {String} status - the status of the update action
   * @param {String} error - any error that occurred
   */
  /**
   * @callback deleteCallback
   * @param {String} status - the status of the delete action
   * @param {String} error - any error that occurred
   */

  /* START ACTION FUNCTIONS */
  /**
   * @summary generic Zabbix API call.
   * This method allows to create, read, update, and delete any resource in Zabbix via the default JSON_RPC endpoint
   *
   * @function postEntity
   * @param {Object} body - the body to be sent in with the request (optional)
   * @return {object} results - An object containing the response of the action
   *
   * @route {POST} /postEntity
   * @roles admin
   * @task true
   */
  postEntity(body, callback) {
    const meth = 'adapter-postEntity';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    if (this.suspended && this.suspendMode === 'error') {
      const errorObj = this.requestHandlerInst.formatErrorObject(this.id, meth, 'AD.600', [], null, null, null);
      log.error(`${origin}: ${errorObj.IAPerror.displayString}`);
      return callback(null, errorObj);
    }

    /* HERE IS WHERE YOU VALIDATE DATA */

    /* HERE IS WHERE YOU SET THE DATA TO PASS INTO REQUEST */
    // set up the request object - payload, uriPathVars, uriQuery, uriOptions, addlHeaders
    const reqObj = {
      payload: {
        ...body,
        id: requestId += 1
      }
    };

    try {
      // Make the call -
      // identifyRequest(entity, action, requestObj, returnDataFlag, callback)
      return this.requestHandlerInst.identifyRequest('genericZabbixEntity', 'postEntity', reqObj, true, (irReturnData, irReturnError) => {
        // if we received an error or their is no response on the results
        // return an error
        if (irReturnError) {
          /* HERE IS WHERE YOU CAN ALTER THE ERROR MESSAGE */
          return callback(null, irReturnError);
        }
        if (!Object.hasOwnProperty.call(irReturnData, 'response')) {
          const errorObj = this.requestHandlerInst.formatErrorObject(this.id, meth, 'Invalid Response', ['genericAdapterRequest'], null, null, null);
          log.error(`${origin}: ${errorObj.IAPerror.displayString}`);
          return callback(null, errorObj);
        }

        /* HERE IS WHERE YOU CAN ALTER THE RETURN DATA */
        // return the response
        return callback(irReturnData, null);
      });
    } catch (ex) {
      log.error(ex);
      return callback(null, ex);
    }
  }

  /**
   * @summary Get triggers for specified devices
   * The task allows to check active Triggers for multiple devices
   *
   * @function getTriggers
   * @param {array} deviceIds - array of device ids of the triggers to retrieve.
   * @return {object} results - An object containing the response of the action
   *
   * @route {POST} /getTriggers
   * @roles admin
   * @task true
   */
  getTriggers(deviceIds, callback) {
    const meth = 'adapter-getTriggers';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    if (this.suspended && this.suspendMode === 'error') {
      const errorObj = this.requestHandlerInst.formatErrorObject(this.id, meth, 'AD.600', [], null, null, null);
      log.error(`${origin}: ${errorObj.IAPerror.displayString}`);
      return callback(null, errorObj);
    }

    /* HERE IS WHERE YOU VALIDATE DATA */
    if (deviceIds === undefined || deviceIds === null || deviceIds === '') {
      const errorObj = this.requestHandlerInst.formatErrorObject(this.id, meth, 'Missing Data', ['deviceIds'], null, null, null);
      log.error(`${origin}: ${errorObj.IAPerror.displayString}`);
      return callback(null, errorObj);
    }

    /* HERE IS WHERE YOU SET THE DATA TO PASS INTO REQUEST */
    const body = {
      jsonrpc: '2.0',
      method: 'trigger.get',
      params: {
        sortorder: 'DESC',
        sortfield: 'priority',
        filter: {
          value: '1'
        },
        output: [
          'triggerid',
          'description',
          'lastchange'
        ]
      }
    };
    body.params.hostids = deviceIds;

    // set up the request object - payload, uriPathVars, uriQuery, uriOptions, addlHeaders
    const reqObj = {
      payload: {
        ...body,
        id: requestId += 1
      }
    };

    try {
      // Make the call -
      // identifyRequest(entity, action, requestObj, returnDataFlag, callback)
      return this.requestHandlerInst.identifyRequest('genericZabbixEntity', 'postEntity', reqObj, true, (irReturnData, irReturnError) => {
        // if we received an error or their is no response on the results
        // return an error
        if (irReturnError) {
          /* HERE IS WHERE YOU CAN ALTER THE ERROR MESSAGE */
          return callback(null, irReturnError);
        }
        if (!Object.hasOwnProperty.call(irReturnData, 'response')) {
          const errorObj = this.requestHandlerInst.formatErrorObject(this.id, meth, 'Invalid Response', ['genericAdapterRequest'], null, null, null);
          log.error(`${origin}: ${errorObj.IAPerror.displayString}`);
          return callback(null, errorObj);
        }

        /* HERE IS WHERE YOU CAN ALTER THE RETURN DATA */
        // return the response
        return callback(irReturnData, null);
      });
    } catch (ex) {
      log.error(ex);
      return callback(null, ex);
    }
  }

  /**
   * @summary Get item by id
   * This method allows to get item by id from zabbix
   *
   * @function getItem
   * @param {integer} itemId - the id of the item to retrieve.
   * @return {object} results - An object containing the response of the action
   *
   * @route {POST} /getItem
   * @roles admin
   * @task true
   */
  getItem(itemId, callback) {
    const meth = 'adapter-getItem';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    if (this.suspended && this.suspendMode === 'error') {
      const errorObj = this.requestHandlerInst.formatErrorObject(this.id, meth, 'AD.600', [], null, null, null);
      log.error(`${origin}: ${errorObj.IAPerror.displayString}`);
      return callback(null, errorObj);
    }

    /* HERE IS WHERE YOU VALIDATE DATA */
    if (itemId === undefined || itemId === null || itemId === '') {
      const errorObj = this.requestHandlerInst.formatErrorObject(this.id, meth, 'Missing Data', ['itemId'], null, null, null);
      log.error(`${origin}: ${errorObj.IAPerror.displayString}`);
      return callback(null, errorObj);
    }

    /* HERE IS WHERE YOU SET THE DATA TO PASS INTO REQUEST */
    const body = {
      jsonrpc: '2.0',
      method: 'item.get',
      params: {
        output: 'extend'
      }
    };
    body.params.itemids = itemId.toString();

    // set up the request object - payload, uriPathVars, uriQuery, uriOptions, addlHeaders
    const reqObj = {
      payload: {
        ...body,
        id: requestId += 1
      }
    };

    try {
      // Make the call -
      // identifyRequest(entity, action, requestObj, returnDataFlag, callback)
      return this.requestHandlerInst.identifyRequest('genericZabbixEntity', 'postEntity', reqObj, true, (irReturnData, irReturnError) => {
        // if we received an error or their is no response on the results
        // return an error
        if (irReturnError) {
          /* HERE IS WHERE YOU CAN ALTER THE ERROR MESSAGE */
          return callback(null, irReturnError);
        }
        if (!Object.hasOwnProperty.call(irReturnData, 'response')) {
          const errorObj = this.requestHandlerInst.formatErrorObject(this.id, meth, 'Invalid Response', ['genericAdapterRequest'], null, null, null);
          log.error(`${origin}: ${errorObj.IAPerror.displayString}`);
          return callback(null, errorObj);
        }

        /* HERE IS WHERE YOU CAN ALTER THE RETURN DATA */
        // return the response
        return callback(irReturnData, null);
      });
    } catch (ex) {
      log.error(ex);
      return callback(null, ex);
    }
  }

  /**
   * @summary Get History items by id and time range
   * This method allows to get history items by id and time range from zabbix
   *
   * @function getHistory
   * @param {integer} itemId - the id of the item to retrieve.
   * @param {string} time_from - (timestamp) Return only values that have been received after or at the given time.
   * @param {string} time_till - (timestamp) Return only values that have been received before or at the given time.
   * @return {object} results - An object containing the response of the action
   *
   * @route {POST} /getHistory
   * @roles admin
   * @task true
   */
  getHistory(itemId, time_from, time_till, callback) {
    const meth = 'adapter-getHistory';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    if (this.suspended && this.suspendMode === 'error') {
      const errorObj = this.requestHandlerInst.formatErrorObject(this.id, meth, 'AD.600', [], null, null, null);
      log.error(`${origin}: ${errorObj.IAPerror.displayString}`);
      return callback(null, errorObj);
    }

    /* HERE IS WHERE YOU VALIDATE DATA */
    if (itemId === undefined || itemId === null || itemId === '') {
      const errorObj = this.requestHandlerInst.formatErrorObject(this.id, meth, 'Missing Data', ['itemId'], null, null, null);
      log.error(`${origin}: ${errorObj.IAPerror.displayString}`);
      return callback(null, errorObj);
    }
    if (time_from === undefined || time_from === null || time_from === '') {
      const errorObj = this.requestHandlerInst.formatErrorObject(this.id, meth, 'Missing Data', ['time_from'], null, null, null);
      log.error(`${origin}: ${errorObj.IAPerror.displayString}`);
      return callback(null, errorObj);
    }
    if (time_till === undefined || time_till === null || time_till === '') {
      const errorObj = this.requestHandlerInst.formatErrorObject(this.id, meth, 'Missing Data', ['time_till'], null, null, null);
      log.error(`${origin}: ${errorObj.IAPerror.displayString}`);
      return callback(null, errorObj);
    }

    /* HERE IS WHERE YOU SET THE DATA TO PASS INTO REQUEST */
    const body = {
      jsonrpc: '2.0',
      method: 'history.get',
      params: {
        output: 'extend',
        sortorder: 'DESC',
        sortfield: 'clock',
        history: '3'
      }
    };
    body.params.itemids = itemId.toString();
    body.params.time_to = time_till;
    body.params.time_from = time_from;

    // set up the request object - payload, uriPathVars, uriQuery, uriOptions, addlHeaders
    const reqObj = {
      payload: {
        ...body,
        id: requestId += 1
      }
    };

    try {
      // Make the call -
      // identifyRequest(entity, action, requestObj, returnDataFlag, callback)
      return this.requestHandlerInst.identifyRequest('genericZabbixEntity', 'postEntity', reqObj, true, (irReturnData, irReturnError) => {
        // if we received an error or their is no response on the results
        // return an error
        if (irReturnError) {
          /* HERE IS WHERE YOU CAN ALTER THE ERROR MESSAGE */
          return callback(null, irReturnError);
        }
        if (!Object.hasOwnProperty.call(irReturnData, 'response')) {
          const errorObj = this.requestHandlerInst.formatErrorObject(this.id, meth, 'Invalid Response', ['genericAdapterRequest'], null, null, null);
          log.error(`${origin}: ${errorObj.IAPerror.displayString}`);
          return callback(null, errorObj);
        }

        /* HERE IS WHERE YOU CAN ALTER THE RETURN DATA */
        // return the response
        return callback(irReturnData, null);
      });
    } catch (ex) {
      log.error(ex);
      return callback(null, ex);
    }
  }

  /**
   * @summary Get Map item by id
   * This method allows to get map item by id from zabbix
   *
   * @function getMap
   * @param {integer} mapId - the id of the map to retrieve.
   * @return {object} results - An object containing the response of the action
   *
   * @route {POST} /getMap
   * @roles admin
   * @task true
   */
  getMap(mapId, callback) {
    const meth = 'adapter-getMap';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    if (this.suspended && this.suspendMode === 'error') {
      const errorObj = this.requestHandlerInst.formatErrorObject(this.id, meth, 'AD.600', [], null, null, null);
      log.error(`${origin}: ${errorObj.IAPerror.displayString}`);
      return callback(null, errorObj);
    }

    /* HERE IS WHERE YOU VALIDATE DATA */
    if (mapId === undefined || mapId === null || mapId === '') {
      const errorObj = this.requestHandlerInst.formatErrorObject(this.id, meth, 'Missing Data', ['mapId'], null, null, null);
      log.error(`${origin}: ${errorObj.IAPerror.displayString}`);
      return callback(null, errorObj);
    }

    /* HERE IS WHERE YOU SET THE DATA TO PASS INTO REQUEST */
    const body = {
      jsonrpc: '2.0',
      method: 'map.get',
      params: {
        selectLinks: 'extend',
        selectSelements: 'extend',
        output: 'extend'
      }
    };
    body.params.sysmapids = mapId.toString();

    // set up the request object - payload, uriPathVars, uriQuery, uriOptions, addlHeaders
    const reqObj = {
      payload: {
        ...body,
        id: requestId += 1
      }
    };

    try {
      // Make the call -
      // identifyRequest(entity, action, requestObj, returnDataFlag, callback)
      return this.requestHandlerInst.identifyRequest('genericZabbixEntity', 'postEntity', reqObj, true, (irReturnData, irReturnError) => {
        // if we received an error or their is no response on the results
        // return an error
        if (irReturnError) {
          /* HERE IS WHERE YOU CAN ALTER THE ERROR MESSAGE */
          return callback(null, irReturnError);
        }
        if (!Object.hasOwnProperty.call(irReturnData, 'response')) {
          const errorObj = this.requestHandlerInst.formatErrorObject(this.id, meth, 'Invalid Response', ['genericAdapterRequest'], null, null, null);
          log.error(`${origin}: ${errorObj.IAPerror.displayString}`);
          return callback(null, errorObj);
        }

        /* HERE IS WHERE YOU CAN ALTER THE RETURN DATA */
        // return the response
        return callback(irReturnData, null);
      });
    } catch (ex) {
      log.error(ex);
      return callback(null, ex);
    }
  }

  /**
   * @summary Get Host items
   * This method allows to get host items from zabbix
   *
   * @function getHost
   * @return {object} results - An object containing the response of the action
   *
   * @route {POST} /getHost
   * @roles admin
   * @task true
   */
  getHost(callback) {
    const meth = 'adapter-getHost';
    const origin = `${this.id}-${meth}`;
    log.trace(origin);

    if (this.suspended && this.suspendMode === 'error') {
      const errorObj = this.requestHandlerInst.formatErrorObject(this.id, meth, 'AD.600', [], null, null, null);
      log.error(`${origin}: ${errorObj.IAPerror.displayString}`);
      return callback(null, errorObj);
    }

    /* HERE IS WHERE YOU SET THE DATA TO PASS INTO REQUEST */
    const body = {
      jsonrpc: '2.0',
      method: 'host.get',
      params: {
        output: ['hostid', 'host'],
        selectInterfaces: ['interfaceid', 'ip']
      }
    };

    // set up the request object - payload, uriPathVars, uriQuery, uriOptions, addlHeaders
    const reqObj = {
      payload: {
        ...body,
        id: requestId += 1
      }
    };

    try {
      // Make the call -
      // identifyRequest(entity, action, requestObj, returnDataFlag, callback)
      return this.requestHandlerInst.identifyRequest('genericZabbixEntity', 'postEntity', reqObj, true, (irReturnData, irReturnError) => {
        // if we received an error or their is no response on the results
        // return an error
        if (irReturnError) {
          /* HERE IS WHERE YOU CAN ALTER THE ERROR MESSAGE */
          return callback(null, irReturnError);
        }
        if (!Object.hasOwnProperty.call(irReturnData, 'response')) {
          const errorObj = this.requestHandlerInst.formatErrorObject(this.id, meth, 'Invalid Response', ['genericAdapterRequest'], null, null, null);
          log.error(`${origin}: ${errorObj.IAPerror.displayString}`);
          return callback(null, errorObj);
        }

        /* HERE IS WHERE YOU CAN ALTER THE RETURN DATA */
        // return the response
        return callback(irReturnData, null);
      });
    } catch (ex) {
      log.error(ex);
      return callback(null, ex);
    }
  }
  /* END ACTION FUNCTIONS */
}

module.exports = Zabbix;