From 8c12c6939aab9106db14ec2d11d983bc5b29fb2c Mon Sep 17 00:00:00 2001 From: Niall Sheridan Date: Sun, 7 Jul 2019 21:33:44 +0100 Subject: Switch to modules --- vendor/github.com/prometheus/procfs/proc.go | 238 ---------------------------- 1 file changed, 238 deletions(-) delete mode 100644 vendor/github.com/prometheus/procfs/proc.go (limited to 'vendor/github.com/prometheus/procfs/proc.go') diff --git a/vendor/github.com/prometheus/procfs/proc.go b/vendor/github.com/prometheus/procfs/proc.go deleted file mode 100644 index 7cf5b8a..0000000 --- a/vendor/github.com/prometheus/procfs/proc.go +++ /dev/null @@ -1,238 +0,0 @@ -// 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 procfs - -import ( - "bytes" - "fmt" - "io/ioutil" - "os" - "strconv" - "strings" -) - -// Proc provides information about a running process. -type Proc struct { - // The process ID. - PID int - - fs FS -} - -// Procs represents a list of Proc structs. -type Procs []Proc - -func (p Procs) Len() int { return len(p) } -func (p Procs) Swap(i, j int) { p[i], p[j] = p[j], p[i] } -func (p Procs) Less(i, j int) bool { return p[i].PID < p[j].PID } - -// Self returns a process for the current process read via /proc/self. -func Self() (Proc, error) { - fs, err := NewFS(DefaultMountPoint) - if err != nil { - return Proc{}, err - } - return fs.Self() -} - -// NewProc returns a process for the given pid under /proc. -func NewProc(pid int) (Proc, error) { - fs, err := NewFS(DefaultMountPoint) - if err != nil { - return Proc{}, err - } - return fs.NewProc(pid) -} - -// AllProcs returns a list of all currently available processes under /proc. -func AllProcs() (Procs, error) { - fs, err := NewFS(DefaultMountPoint) - if err != nil { - return Procs{}, err - } - return fs.AllProcs() -} - -// Self returns a process for the current process. -func (fs FS) Self() (Proc, error) { - p, err := os.Readlink(fs.Path("self")) - if err != nil { - return Proc{}, err - } - pid, err := strconv.Atoi(strings.Replace(p, string(fs), "", -1)) - if err != nil { - return Proc{}, err - } - return fs.NewProc(pid) -} - -// NewProc returns a process for the given pid. -func (fs FS) NewProc(pid int) (Proc, error) { - if _, err := os.Stat(fs.Path(strconv.Itoa(pid))); err != nil { - return Proc{}, err - } - return Proc{PID: pid, fs: fs}, nil -} - -// AllProcs returns a list of all currently available processes. -func (fs FS) AllProcs() (Procs, error) { - d, err := os.Open(fs.Path()) - if err != nil { - return Procs{}, err - } - defer d.Close() - - names, err := d.Readdirnames(-1) - if err != nil { - return Procs{}, fmt.Errorf("could not read %s: %s", d.Name(), err) - } - - p := Procs{} - for _, n := range names { - pid, err := strconv.ParseInt(n, 10, 64) - if err != nil { - continue - } - p = append(p, Proc{PID: int(pid), fs: fs}) - } - - return p, nil -} - -// CmdLine returns the command line of a process. -func (p Proc) CmdLine() ([]string, error) { - f, err := os.Open(p.path("cmdline")) - if err != nil { - return nil, err - } - defer f.Close() - - data, err := ioutil.ReadAll(f) - if err != nil { - return nil, err - } - - if len(data) < 1 { - return []string{}, nil - } - - return strings.Split(string(bytes.TrimRight(data, string("\x00"))), string(byte(0))), nil -} - -// Comm returns the command name of a process. -func (p Proc) Comm() (string, error) { - f, err := os.Open(p.path("comm")) - if err != nil { - return "", err - } - defer f.Close() - - data, err := ioutil.ReadAll(f) - if err != nil { - return "", err - } - - return strings.TrimSpace(string(data)), nil -} - -// Executable returns the absolute path of the executable command of a process. -func (p Proc) Executable() (string, error) { - exe, err := os.Readlink(p.path("exe")) - if os.IsNotExist(err) { - return "", nil - } - - return exe, err -} - -// FileDescriptors returns the currently open file descriptors of a process. -func (p Proc) FileDescriptors() ([]uintptr, error) { - names, err := p.fileDescriptors() - if err != nil { - return nil, err - } - - fds := make([]uintptr, len(names)) - for i, n := range names { - fd, err := strconv.ParseInt(n, 10, 32) - if err != nil { - return nil, fmt.Errorf("could not parse fd %s: %s", n, err) - } - fds[i] = uintptr(fd) - } - - return fds, nil -} - -// FileDescriptorTargets returns the targets of all file descriptors of a process. -// If a file descriptor is not a symlink to a file (like a socket), that value will be the empty string. -func (p Proc) FileDescriptorTargets() ([]string, error) { - names, err := p.fileDescriptors() - if err != nil { - return nil, err - } - - targets := make([]string, len(names)) - - for i, name := range names { - target, err := os.Readlink(p.path("fd", name)) - if err == nil { - targets[i] = target - } - } - - return targets, nil -} - -// FileDescriptorsLen returns the number of currently open file descriptors of -// a process. -func (p Proc) FileDescriptorsLen() (int, error) { - fds, err := p.fileDescriptors() - if err != nil { - return 0, err - } - - return len(fds), nil -} - -// MountStats retrieves statistics and configuration for mount points in a -// process's namespace. -func (p Proc) MountStats() ([]*Mount, error) { - f, err := os.Open(p.path("mountstats")) - if err != nil { - return nil, err - } - defer f.Close() - - return parseMountStats(f) -} - -func (p Proc) fileDescriptors() ([]string, error) { - d, err := os.Open(p.path("fd")) - if err != nil { - return nil, err - } - defer d.Close() - - names, err := d.Readdirnames(-1) - if err != nil { - return nil, fmt.Errorf("could not read %s: %s", d.Name(), err) - } - - return names, nil -} - -func (p Proc) path(pa ...string) string { - return p.fs.Path(append([]string{strconv.Itoa(p.PID)}, pa...)...) -} -- cgit v1.2.3