PostgreSQL

/*

** Zabbix

** Copyright 2001-2024 Zabbix SIA

**

** Licensed under the Apache License, Version 2.0 (the "License");

** you may not use this file except in compliance with the License.

** You may obtain a copy of the License at

**

**     http://www.apache.org/licenses/LICENSE-2.0

**

** Unless required by applicable law or agreed to in writing, software

** distributed under the License is distributed on an "AS IS" BASIS,

** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

** See the License for the specific language governing permissions and

** limitations under the License.

**/

​

package plugin

​

import (

    "context"

    "net/http"

    "time"

​

    "github.com/omeid/go-yarn"

    "golang.zabbix.com/sdk/metric"

    "golang.zabbix.com/sdk/plugin"

    "golang.zabbix.com/sdk/zbxerr"

)

​

const (

    Name       = "PostgreSQL"

    sqlExt     = ".sql"

    hkInterval = 10

)

​

// Plugin inherits plugin.Base and store plugin-specific data.

type Plugin struct {

    plugin.Base

    connMgr *ConnManager

    options PluginOptions

}

​

// Impl is the pointer to the plugin implementation.

var Impl Plugin

​

// Export implements the Exporter interface.

func (p *Plugin) Export(key string, rawParams []string, _ plugin.ContextProvider) (result any, err error) {

    params, extraParams, hc, err := metrics[key].EvalParams(rawParams, p.options.Sessions)

    if err != nil {

        return nil, err

    }

​

    err = metric.SetDefaults(params, hc, p.options.Default)

    if err != nil {

        return nil, err

    }

​

    connID, err := createConnID(params)

    if err != nil {

        return nil, err

    }

​