50 lines
1.5 KiB
Go
50 lines
1.5 KiB
Go
// Copyright 2018 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package procfs
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import (
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"github.com/prometheus/procfs/internal/fs"
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)
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// FS represents the pseudo-filesystem sys, which provides an interface to
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// kernel data structures.
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type FS struct {
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proc fs.FS
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isReal bool
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}
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// DefaultMountPoint is the common mount point of the proc filesystem.
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const DefaultMountPoint = fs.DefaultProcMountPoint
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// NewDefaultFS returns a new proc FS mounted under the default proc mountPoint.
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// It will error if the mount point directory can't be read or is a file.
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func NewDefaultFS() (FS, error) {
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return NewFS(DefaultMountPoint)
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}
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// NewFS returns a new proc FS mounted under the given proc mountPoint. It will error
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// if the mount point directory can't be read or is a file.
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func NewFS(mountPoint string) (FS, error) {
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fs, err := fs.NewFS(mountPoint)
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if err != nil {
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return FS{}, err
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}
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isReal, err := isRealProc(mountPoint)
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if err != nil {
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return FS{}, err
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}
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return FS{fs, isReal}, nil
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}
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