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authorDaniel J Walsh <dwalsh@redhat.com>2018-01-10 15:58:18 -0500
committerAtomic Bot <atomic-devel@projectatomic.io>2018-01-11 12:39:06 +0000
commitdd0d35deb098b63f8c5be7ef9d8d63c16760221b (patch)
tree695d44a49d636e45e4121c9aecfb3d8c0e1cca06 /vendor/github.com/prometheus/procfs/proc.go
parente6be800ec633342aef656e0a2ed0bdc4519796d9 (diff)
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Add support for shm-size.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com> Closes: #206 Approved by: TomSweeneyRedHat
Diffstat (limited to 'vendor/github.com/prometheus/procfs/proc.go')
-rw-r--r--vendor/github.com/prometheus/procfs/proc.go224
1 files changed, 0 insertions, 224 deletions
diff --git a/vendor/github.com/prometheus/procfs/proc.go b/vendor/github.com/prometheus/procfs/proc.go
deleted file mode 100644
index 8717e1fe0..000000000
--- a/vendor/github.com/prometheus/procfs/proc.go
+++ /dev/null
@@ -1,224 +0,0 @@
-package procfs
-
-import (
- "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(data[:len(data)-1]), 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...)...)
-}