gotosocial/vendor/github.com/prometheus/procfs/internal/fs/fs.go
Tsuribori 1ba3e14b36
[feature] Initial Prometheus metrics implementation (#2334)
* feat: Initial OTEL metrics

* docs: add metrics documentation

* fix: metrics endpoint conditional check

* feat: metrics endpoint basic auth

* fix: make metrics-auth-enabled default false

* fix: go fmt helpers.gen.go

* fix: add metric-related env vars to envparsing.sh

* fix: metrics docs

* fix: metrics related stuff in envparsing.sh

* fix: metrics docs

* chore: metrics docs wording

* fix: metrics stuff in envparsing?

* bump otel versions

---------

Co-authored-by: Tsuribori <user@acertaindebian>
Co-authored-by: Tsuribori <none@example.org>
Co-authored-by: tsmethurst <tobi.smethurst@protonmail.com>
2023-11-20 16:43:55 +01:00

55 lines
1.7 KiB
Go

// Copyright 2019 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 fs
import (
"fmt"
"os"
"path/filepath"
)
const (
// DefaultProcMountPoint is the common mount point of the proc filesystem.
DefaultProcMountPoint = "/proc"
// DefaultSysMountPoint is the common mount point of the sys filesystem.
DefaultSysMountPoint = "/sys"
// DefaultConfigfsMountPoint is the common mount point of the configfs.
DefaultConfigfsMountPoint = "/sys/kernel/config"
)
// FS represents a pseudo-filesystem, normally /proc or /sys, which provides an
// interface to kernel data structures.
type FS string
// NewFS returns a new FS mounted under the given mountPoint. It will error
// if the mount point can't be read.
func NewFS(mountPoint string) (FS, error) {
info, err := os.Stat(mountPoint)
if err != nil {
return "", fmt.Errorf("could not read %q: %w", mountPoint, err)
}
if !info.IsDir() {
return "", fmt.Errorf("mount point %q is not a directory", mountPoint)
}
return FS(mountPoint), nil
}
// Path appends the given path elements to the filesystem path, adding separators
// as necessary.
func (fs FS) Path(p ...string) string {
return filepath.Join(append([]string{string(fs)}, p...)...)
}