Files
grafana-zabbix/src/datasource/zabbix/connectors/dbConnector.ts
Alexander Zobnin e3e896742b Build plugin with grafana toolkit (#1539)
* Use grafana toolkit template for building plugin

* Fix linter and type errors

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* Fix sass deprecation warning

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* Move plugin-specific ts config to root config file

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* Remove unused code

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* Rename datasource-zabbix to datasource (fix mage build)

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* CI: add Grafana compatibility check
2022-12-09 14:14:34 +03:00

89 lines
2.2 KiB
TypeScript

import _ from 'lodash';
import { getDataSourceSrv } from '@grafana/runtime';
export const DEFAULT_QUERY_LIMIT = 10000;
export const HISTORY_TO_TABLE_MAP = {
'0': 'history',
'1': 'history_str',
'2': 'history_log',
'3': 'history_uint',
'4': 'history_text',
};
export const TREND_TO_TABLE_MAP = {
'0': 'trends',
'3': 'trends_uint',
};
export const consolidateByFunc = {
avg: 'AVG',
min: 'MIN',
max: 'MAX',
sum: 'SUM',
count: 'COUNT',
};
export const consolidateByTrendColumns = {
avg: 'value_avg',
min: 'value_min',
max: 'value_max',
sum: 'num*value_avg', // sum of sums inside the one-hour trend period
};
/**
* Base class for external history database connectors. Subclasses should implement `getHistory()`, `getTrends()` and
* `testDataSource()` methods, which describe how to fetch data from source other than Zabbix API.
*/
export class DBConnector {
protected datasourceId: any;
private datasourceName: any;
protected datasourceTypeId: any;
// private datasourceTypeName: any;
constructor(options) {
this.datasourceId = options.datasourceId;
this.datasourceName = options.datasourceName;
this.datasourceTypeId = null;
// this.datasourceTypeName = null;
}
static loadDatasource(dsId, dsName) {
if (!dsName && dsId !== undefined) {
const ds = _.find(getDataSourceSrv().getList(), { id: dsId });
if (!ds) {
return Promise.reject(`Data Source with ID ${dsId} not found`);
}
dsName = ds.name;
}
if (dsName) {
return getDataSourceSrv().get(dsName);
} else {
return Promise.reject(`Data Source name should be specified`);
}
}
loadDBDataSource() {
return DBConnector.loadDatasource(this.datasourceId, this.datasourceName).then((ds) => {
this.datasourceTypeId = ds.meta.id;
// this.datasourceTypeName = ds.meta.name;
if (!this.datasourceName) {
this.datasourceName = ds.name;
}
if (!this.datasourceId) {
this.datasourceId = ds.id;
}
return ds;
});
}
}
export default {
DBConnector,
DEFAULT_QUERY_LIMIT,
HISTORY_TO_TABLE_MAP,
TREND_TO_TABLE_MAP,
consolidateByFunc,
consolidateByTrendColumns,
};