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Files
mysqld_exporter/collector/scraper.go
TJ Hoplock be5dc65671 chore!: adopt log/slog, drop go-kit/log (#875)
* chore!: adopt log/slog, drop go-kit/log

Requires: prometheus/common#697

This PR includes:
- linter updates to enable `sloglint` linter
- Go dep updates for prometheus/{client_golang,common,exporter-toolkit}
  libs
- refactorings to adopt log/slog in favor of go-kit/log

The bulk of this PR was automated by the following script which is being
used to aid in converting the various exporters/projects to use slog:

https://gist.github.com/tjhop/49f96fb7ebbe55b12deee0b0312d8434

Builds and passes tests locally with go workspaces and up-to-date main
branch of prometheus/common.

Signed-off-by: TJ Hoplock <t.hoplock@gmail.com>

* build(deps): bump prometheus/common to v0.60.0

Signed-off-by: TJ Hoplock <t.hoplock@gmail.com>

---------

Signed-off-by: TJ Hoplock <t.hoplock@gmail.com>
2024-10-10 18:04:21 +02:00

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1.3 KiB
Go

// Copyright 2018 The Prometheus Authors
// 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 collector
import (
"context"
"log/slog"
_ "github.com/go-sql-driver/mysql"
"github.com/prometheus/client_golang/prometheus"
)
// Scraper is minimal interface that let's you add new prometheus metrics to mysqld_exporter.
type Scraper interface {
// Name of the Scraper. Should be unique.
Name() string
// Help describes the role of the Scraper.
// Example: "Collect from SHOW ENGINE INNODB STATUS"
Help() string
// Version of MySQL from which scraper is available.
Version() float64
// Scrape collects data from database connection and sends it over channel as prometheus metric.
Scrape(ctx context.Context, instance *instance, ch chan<- prometheus.Metric, logger *slog.Logger) error
}