aboutsummaryrefslogtreecommitdiff
path: root/vendor/github.com/prometheus/procfs/proc_ns.go
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/github.com/prometheus/procfs/proc_ns.go')
-rw-r--r--vendor/github.com/prometheus/procfs/proc_ns.go68
1 files changed, 0 insertions, 68 deletions
diff --git a/vendor/github.com/prometheus/procfs/proc_ns.go b/vendor/github.com/prometheus/procfs/proc_ns.go
deleted file mode 100644
index d06c26e..0000000
--- a/vendor/github.com/prometheus/procfs/proc_ns.go
+++ /dev/null
@@ -1,68 +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 (
- "fmt"
- "os"
- "strconv"
- "strings"
-)
-
-// Namespace represents a single namespace of a process.
-type Namespace struct {
- Type string // Namespace type.
- Inode uint32 // Inode number of the namespace. If two processes are in the same namespace their inodes will match.
-}
-
-// Namespaces contains all of the namespaces that the process is contained in.
-type Namespaces map[string]Namespace
-
-// NewNamespaces reads from /proc/[pid/ns/* to get the namespaces of which the
-// process is a member.
-func (p Proc) NewNamespaces() (Namespaces, error) {
- d, err := os.Open(p.path("ns"))
- if err != nil {
- return nil, err
- }
- defer d.Close()
-
- names, err := d.Readdirnames(-1)
- if err != nil {
- return nil, fmt.Errorf("failed to read contents of ns dir: %v", err)
- }
-
- ns := make(Namespaces, len(names))
- for _, name := range names {
- target, err := os.Readlink(p.path("ns", name))
- if err != nil {
- return nil, err
- }
-
- fields := strings.SplitN(target, ":", 2)
- if len(fields) != 2 {
- return nil, fmt.Errorf("failed to parse namespace type and inode from '%v'", target)
- }
-
- typ := fields[0]
- inode, err := strconv.ParseUint(strings.Trim(fields[1], "[]"), 10, 32)
- if err != nil {
- return nil, fmt.Errorf("failed to parse inode from '%v': %v", fields[1], err)
- }
-
- ns[name] = Namespace{typ, uint32(inode)}
- }
-
- return ns, nil
-}