mirror of https://github.com/containers/podman.git
42 lines
1.4 KiB
Go
42 lines
1.4 KiB
Go
// +build linux
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package libpod
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import (
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"strconv"
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"strings"
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"github.com/containers/psgo"
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)
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// GetContainerPidInformation returns process-related data of all processes in
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// the container. The output data can be controlled via the `descriptors`
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// argument which expects format descriptors and supports all AIXformat
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// descriptors of ps (1) plus some additional ones to for instance inspect the
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// set of effective capabilities. Eeach element in the returned string slice
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// is a tab-separated string.
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//
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// For more details, please refer to github.com/containers/psgo.
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func (c *Container) GetContainerPidInformation(descriptors []string) ([]string, error) {
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pid := strconv.Itoa(c.state.PID)
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// TODO: psgo returns a [][]string to give users the ability to apply
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// filters on the data. We need to change the API here and the
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// varlink API to return a [][]string if we want to make use of
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// filtering.
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psgoOutput, err := psgo.JoinNamespaceAndProcessInfo(pid, descriptors)
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if err != nil {
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return nil, err
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}
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res := []string{}
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for _, out := range psgoOutput {
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res = append(res, strings.Join(out, "\t"))
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}
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return res, nil
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}
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// GetContainerPidInformationDescriptors returns a string slice of all supported
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// format descriptors of GetContainerPidInformation.
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func GetContainerPidInformationDescriptors() ([]string, error) {
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return psgo.ListDescriptors(), nil
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}
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