datasource.js.map

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_ from 'lodash';\nimport showdown from './showdown.min.js';\nimport * as queryBuilder from './query_builder';\n\nexport class DataDogDatasource {\n\n  constructor (instanceSettings, backendSrv, templateSrv) {\n    this.type = instanceSettings.type;\n    this.url = instanceSettings.url;\n    this.name = instanceSettings.name;\n    this.api_key = instanceSettings.jsonData.api_key;\n    this.application_key = instanceSettings.jsonData.app_key;\n    this.supportMetrics = true;\n    this.backendSrv = backendSrv;\n    this.templateSrv = templateSrv;\n    this._cached_metrics = false;\n  }\n\n  // Function to check Datasource health\n  testDatasource() {\n    return this.invokeDataDogApiRequest('/downtime')\n    .then(() => {\n      return {\n        status: \"success\",\n        title: \"Success\",\n        message: \"Data source is working\"\n      };\n    })\n    .catch(error => {\n      var message = \"Connection error\";\n      if (error && error.message) {\n        message = error.message;\n      }\n\n      return {\n        status: \"error\",\n        title: \"Error\",\n        message: message\n      };\n    });\n  }\n\n  tagFindQuery() {\n    return this.getTagsFromCache()\n    .then(tags => {\n      return _.map(tags, (hosts, tag) => {\n        return {\n          text: tag,\n          value: tag,\n        };\n      });\n    });\n  }\n\n  metricFindQuery(query) {\n    if (query === 'tag') {\n      return this.tagFindQuery();\n    }\n\n    if (this._cached_metrics) {\n      return Promise.resolve(this._cached_metrics);\n    }\n\n    if (this.fetching) {\n      return this.fetching;\n    }\n\n    var d = new Date();\n    d.setDate(d.getDate() - 1);\n    var from = Math.floor(d.getTime() / 1000);\n\n    this.fetching = this.getMetrics(from).then(metrics => {\n      this._cached_metrics = _.map(metrics, metric => {\n        return {\n          text: metric,\n          value: metric,\n        };\n      });\n\n      return this._cached_metrics;\n    });\n\n    return this.fetching;\n  }\n\n  getTagKeys() {\n    return this.getTagsFromCache()\n    .then(tagsHosts => {\n      let tags = Object.keys(tagsHosts);\n      let kv = mapTagsToKVPairs(tags);\n      let grafanaTags = Object.keys(kv);\n\n      return grafanaTags.map(tag => {\n        return {\n          text: tag,\n          value: tag,\n        };\n      });\n    });\n  }\n\n  getTagValues(options) {\n    return this.getTagsFromCache()\n    .then(tagsHosts => {\n      let tags = Object.keys(tagsHosts);\n      let kv = mapTagsToKVPairs(tags);\n      let grafanaValues = kv[options.key];\n      return grafanaValues.map(val => {\n        return {\n          text: val,\n          value: val,\n        };\n      });\n    });\n  }\n\n  query(options) {\n    var from = Math.floor(options.range.from.valueOf() / 1000);\n    var to = Math.floor(options.range.to.valueOf() / 1000);\n\n    var targets = options.targets.filter(function (t) { return !t.hide; });\n\n    if (targets.length <= 0) {\n      return Promise.resolve({data: []});\n    }\n\n    // add global adhoc filters\n    let adhocFilters = this.templateSrv.getAdhocFilters(this.name);\n\n    var queries = _.map(targets, target => {\n      let query;\n      if (target.rawQuery) {\n        query = target.query;\n      } else {\n        query = queryBuilder.buildQuery(target, adhocFilters);\n      }\n      return query;\n    });\n\n    var queryString = queries.join(',');\n    queryString = this.templateSrv.replace(queryString, options.scopedVars, dataDogTagFormat);\n\n    var params = {\n      from: from,\n      to: to,\n      query: queryString,\n    };\n\n    return this.invokeDataDogApiRequest('/query', params)\n    .then(result => {\n      var dataResponse = _.map(result.series, (series, i) => {\n        var target = targets[i];\n        return {\n          'target': target.alias || series.expression,\n          'datapoints': _.map(series.pointlist, point => {\n            return [point[1], point[0]];\n          })\n        };\n      });\n\n      return {data: dataResponse};\n    });\n  }\n\n  annotationQuery(options) {\n    let timeFrom = Math.floor(options.range.from.valueOf() / 1000);\n    let timeTo = Math.floor(options.range.to.valueOf() / 1000);\n    let {priority, sources, tags} = options.annotation;\n\n    return this.getEventStream(timeFrom, timeTo, priority, sources, tags)\n    .then(eventStreams => {\n      let eventAnnotations = eventStreams.map(eventStream => {\n        let allEvents = eventStream.children;\n        let filteredEvents = _.filter(allEvents, event => {\n          return event.alert_type !== 'success';\n        });\n\n        return _.map(filteredEvents, event => {\n          let renderedText = eventStream.text;\n          if (isDataDogMarkdown(eventStream.text)) {\n            renderedText = convertDataDogMdToHtml(eventStream.text);\n          }\n\n          return {\n            annotation: options.annotation,\n            time: event.date_happened * 1000,\n            title: eventStream.title,\n            text: renderedText,\n            tags: eventStream.tags\n          };\n        });\n      });\n\n      return _.flatten(eventAnnotations);\n    });\n  }\n\n  getHosts() {\n    return this.searchEntities('hosts');\n  }\n\n  // entity should be 'hosts' or 'metrics'\n  // http://docs.datadoghq.com/api/?lang=console#search\n  searchEntities(entity) {\n    let params = {q: ''};\n    if (entity) {\n      params.q = `${entity}:`;\n    }\n\n    return this.invokeDataDogApiRequest('/search', params)\n    .then(result => {\n      if (result && result.results) {\n        return result.results[entity];\n      }\n    });\n  }\n\n  getMetrics(timeFrom) {\n    let params = {};\n\n    if (timeFrom) {\n      params.from = timeFrom;\n    }\n\n    return this.invokeDataDogApiRequest('/metrics', params)\n    .then(result => {\n      if (result.metrics) {\n        return result.metrics;\n      } else {\n        return [];\n      }\n    });\n  }\n\n  getTagsHosts() {\n    return this.invokeDataDogApiRequest('/tags/hosts')\n    .then(result => {\n      if (result && result.tags) {\n        return result.tags;\n      }\n    });\n  }\n\n  getTagsFromCache() {\n    let getTags;\n    if (this._cached_tags && this._cached_tags.length) {\n      getTags = Promise.resolve(this._cached_tags);\n    } else {\n      getTags = this.getTagsHosts().then(tags => {\n        this._cached_tags = tags;\n        return tags;\n      });\n    }\n\n    return getTags;\n  }\n\n  getEventStream(timeFrom, timeTo, priority, sources, tags) {\n    let params = {\n      start: timeFrom,\n      end: timeTo\n    };\n    if (priority) {\n      params.priority = priority;\n    }\n    if (sources) {\n      params.sources = sources;\n    }\n    if (tags) {\n      params.tags = tags;\n    }\n\n    return this.invokeDataDogApiRequest('/events', params)\n    .then(result => {\n      if (result.events) {\n        return result.events;\n      } else {\n        return [];\n      }\n    });\n  }\n\n  invokeDataDogApiRequest(url, params = {}) {\n    // Set auth params\n    params.api_key = this.api_key;\n    params.application_key = this.application_key;\n\n    return this.backendSrv.datasourceRequest({\n      method: 'GET',\n      url: this.url + url,\n      params: params\n    })\n    .then(response => {\n      if (response.data) {\n        return response.data;\n      } else {\n        throw {message: 'DataDog API request error'};\n      }\n    })\n    .catch(error => {\n      var message = 'DataDog API request error';\n      if (error.statusText) {\n        message = error.status + ' ' + error.statusText;\n        throw {message: message};\n      } else if (error.err.statusText) {\n        throw {message: error.err.statusText};\n      } else {\n        throw {message: message};\n      }\n    });\n  }\n}\n\n/*\n * Convert tags to key-value pairs\n * [region:east, region:nw] => {region: [east, nw]}\n */\nfunction mapTagsToKVPairs(tags) {\n  let kv_tags = _.filter(tags, tag => {\n    return (tag.indexOf(':') !== -1);\n  });\n\n  let kv_pairs = kv_tags.map(tag => {\n    return tag.split(':', 2); // Limit to 2\n  });\n\n  let kv_object = {};\n  kv_pairs.forEach(pair => {\n    let key = pair[0];\n    let val = pair[1];\n\n    if (kv_object[key]) {\n      kv_object[key].push(val);\n    } else {\n      kv_object[key] = [val];\n    }\n  });\n\n  return kv_object;\n}\n\n/*\n * Convert DataDog event text from markdown to pure HTML\n * http://docs.datadoghq.com/guides/markdown/\n */\nfunction convertDataDogMdToHtml(str) {\n  const MD_START = '%%%\\n';\n  const MD_END = '\\n%%%';\n\n  let md_start_index = str.indexOf(MD_START) + MD_START.length;\n  let md_end_index = str.indexOf(MD_END);\n  let md = str.substring(md_start_index, md_end_index);\n  md = removeImagesFromDataDogMarkdown(md);\n\n  let converter = new showdown.Converter();\n  return converter.makeHtml(md);\n}\n\nfunction isDataDogMarkdown(str) {\n  const MD_START = '%%%\\n';\n  return str.indexOf(MD_START) >= 0;\n}\n\nfunction removeImagesFromDataDogMarkdown(str) {\n  let dataDogImagePattern = /\\[{0,1}\\!\\[.*\\]\\(https{0,1}\\:\\/\\/p\\.datadoghq\\.com\\/snapshot.+\\)/g;\n  return str.replace(dataDogImagePattern, '');\n}\n\nfunction dataDogTagFormat(value) {\n  if (_.isArray(value)) {\n    return value.join(',');\n  }\n  return value;\n}\n"]}