From 1ba3e14b36c8f00475bdd41cd4a487ef7636836e Mon Sep 17 00:00:00 2001
From: Tsuribori <30933799+Tsuribori@users.noreply.github.com>
Date: Mon, 20 Nov 2023 17:43:55 +0200
Subject: [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>
---
 .../github.com/prometheus/procfs/internal/fs/fs.go | 55 ++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 vendor/github.com/prometheus/procfs/internal/fs/fs.go

(limited to 'vendor/github.com/prometheus/procfs/internal/fs/fs.go')

diff --git a/vendor/github.com/prometheus/procfs/internal/fs/fs.go b/vendor/github.com/prometheus/procfs/internal/fs/fs.go
new file mode 100644
index 000000000..3c18c7610
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/internal/fs/fs.go
@@ -0,0 +1,55 @@
+// 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...)...)
+}
-- 
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