libpod/container_top_linux.go


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// +build linux

package libpod

import (
	"strconv"
	"strings"

	"github.com/containers/psgo/ps"
)

// GetContainerPidInformation returns process-related data of all processes in
// the container.  The output data can be controlled via the `descriptors`
// argument which expects format descriptors and supports all AIXformat
// descriptors of ps (1) plus some additional ones to for instance inspect the
// set of effective capabilities.  Eeach element in the returned string slice
// is a tab-separated string.
//
// For more details, please refer to github.com/containers/psgo.
func (c *Container) GetContainerPidInformation(descriptors []string) ([]string, error) {
	pid := strconv.Itoa(c.state.PID)
	format := strings.Join(descriptors, ",")
	return ps.JoinNamespaceAndProcessInfo(pid, format)
}

// GetContainerPidInformationDescriptors returns a string slice of all supported
// format descriptors of GetContainerPidInformation.
func GetContainerPidInformationDescriptors() ([]string, error) {
	return ps.ListDescriptors(), nil
}