Zabbix

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;

** without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

** See the GNU Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

package memcached

​

import (

    "golang.zabbix.com/sdk/errs"

    "golang.zabbix.com/sdk/metric"

    "golang.zabbix.com/sdk/plugin"

    "golang.zabbix.com/sdk/uri"

)

​

const (

    keyPing  = "memcached.ping"

    keyStats = "memcached.stats"

)

​

// https://github.com/memcached/memcached/blob/master/sasl_defs.c#L26

var (

    maxEntryLen = 252

    uriDefaults = &uri.Defaults{Scheme: "tcp", Port: "11211"}

)

​

// Common params: [URI|Session][,User][,Password]

var (

    paramURI = metric.NewConnParam("URI", "URI to connect or session name.").

            WithDefault(uriDefaults.Scheme + "://localhost:" + uriDefaults.Port).WithSession().

            WithValidator(uri.URIValidator{Defaults: uriDefaults, AllowedSchemes: []string{"tcp", "unix"}})

    paramUser     = metric.NewConnParam("User", "Memcached user.").WithDefault("")

    paramPassword = metric.NewConnParam("Password", "User's password.").WithDefault("")

)

​

var metrics = metric.MetricSet{

    keyPing: metric.New("Test if connection is alive or not.",

        []*metric.Param{paramURI, paramUser, paramPassword}, false),

​

    keyStats: metric.New(

        "Returns output of stats command.",

        []*metric.Param{

            paramURI, paramUser, paramPassword,

            metric.NewParam(

                "Type",

                "One of supported stat types: items, sizes, slabs and settings. "+

                    "Empty by default (returns general statistics).",

            ).WithDefault(statsTypeGeneral).

                WithValidator(metric.SetValidator{

                    Set: []string{

                        statsTypeGeneral,

                        statsTypeItems,

                        statsTypeSizes,

                        statsTypeSlabs,

                        statsTypeSettings,