Files
docker-cli/components/cli/vendor/github.com/prometheus/procfs/fs.go
Mathieu Champlon 802dab1037 Bump moby to d37f5c6bdf788a6cb82c07fb707e31a240eff5f9
Also bringing:
. golang.org/x/net 5561cd9b4330353950f399814f427425c0a26fd2
. github.com/docker/distribution 83389a148052d74ac602f5f1d62f86ff2f3c4aa5
. github.com/docker/swarmkit bd69f6e8e301645afd344913fa1ede53a0a111fb
. github.com/docker/go-metrics d466d4f6fd960e01820085bd7e1a24426ee7ef18
. github.com/prometheus/client_golang 52437c81da6b127a9925d17eb3a382a2e5fd395e
. github.com/beorn7/perks 4c0e84591b9aa9e6dcfdf3e020114cd81f89d5f9
. github.com/prometheus/client_model fa8ad6fec33561be4280a8f0514318c79d7f6cb6
. github.com/prometheus/common ebdfc6da46522d58825777cf1f90490a5b1ef1d8
. github.com/prometheus/procfs abf152e5f3e97f2fafac028d2cc06c1feb87ffa5
. github.com/matttproud/golang_protobuf_extensions v1.0.0

Signed-off-by: Mathieu Champlon <mathieu.champlon@docker.com>
Upstream-commit: 5d54584f03
Component: cli
2018-05-18 11:44:14 +02:00

34 lines
855 B
Go

package procfs
import (
"fmt"
"os"
"path"
)
// FS represents the pseudo-filesystem proc, which provides an interface to
// kernel data structures.
type FS string
// DefaultMountPoint is the common mount point of the proc filesystem.
const DefaultMountPoint = "/proc"
// 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 %s: %s", mountPoint, err)
}
if !info.IsDir() {
return "", fmt.Errorf("mount point %s is not a directory", mountPoint)
}
return FS(mountPoint), nil
}
// Path returns the path of the given subsystem relative to the procfs root.
func (fs FS) Path(p ...string) string {
return path.Join(append([]string{string(fs)}, p...)...)
}