mirror of https://github.com/containers/podman.git
116 lines
2.8 KiB
Go
116 lines
2.8 KiB
Go
package lpfilters
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import (
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"strconv"
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"strings"
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"github.com/containers/libpod/v2/libpod"
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"github.com/containers/libpod/v2/libpod/define"
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"github.com/containers/libpod/v2/pkg/util"
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"github.com/pkg/errors"
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)
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// GeneratePodFilterFunc takes a filter and filtervalue (key, value)
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// and generates a libpod function that can be used to filter
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// pods
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func GeneratePodFilterFunc(filter, filterValue string) (
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func(pod *libpod.Pod) bool, error) {
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switch filter {
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case "ctr-ids":
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return func(p *libpod.Pod) bool {
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ctrIds, err := p.AllContainersByID()
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if err != nil {
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return false
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}
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return util.StringInSlice(filterValue, ctrIds)
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}, nil
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case "ctr-names":
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return func(p *libpod.Pod) bool {
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ctrs, err := p.AllContainers()
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if err != nil {
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return false
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}
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for _, ctr := range ctrs {
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if filterValue == ctr.Name() {
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return true
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}
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}
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return false
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}, nil
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case "ctr-number":
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return func(p *libpod.Pod) bool {
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ctrIds, err := p.AllContainersByID()
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if err != nil {
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return false
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}
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fVint, err2 := strconv.Atoi(filterValue)
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if err2 != nil {
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return false
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}
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return len(ctrIds) == fVint
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}, nil
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case "ctr-status":
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if !util.StringInSlice(filterValue,
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[]string{"created", "restarting", "running", "paused",
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"exited", "unknown"}) {
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return nil, errors.Errorf("%s is not a valid status", filterValue)
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}
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return func(p *libpod.Pod) bool {
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ctrStatuses, err := p.Status()
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if err != nil {
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return false
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}
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for _, ctrStatus := range ctrStatuses {
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state := ctrStatus.String()
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if ctrStatus == define.ContainerStateConfigured {
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state = "created"
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}
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if state == filterValue {
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return true
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}
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}
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return false
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}, nil
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case "id":
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return func(p *libpod.Pod) bool {
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return strings.Contains(p.ID(), filterValue)
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}, nil
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case "name":
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return func(p *libpod.Pod) bool {
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return strings.Contains(p.Name(), filterValue)
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}, nil
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case "status":
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if !util.StringInSlice(filterValue, []string{"stopped", "running", "paused", "exited", "dead", "created"}) {
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return nil, errors.Errorf("%s is not a valid pod status", filterValue)
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}
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return func(p *libpod.Pod) bool {
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status, err := p.GetPodStatus()
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if err != nil {
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return false
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}
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if strings.ToLower(status) == filterValue {
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return true
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}
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return false
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}, nil
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case "label":
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var filterArray = strings.SplitN(filterValue, "=", 2)
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var filterKey = filterArray[0]
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if len(filterArray) > 1 {
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filterValue = filterArray[1]
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} else {
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filterValue = ""
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}
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return func(p *libpod.Pod) bool {
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for labelKey, labelValue := range p.Labels() {
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if labelKey == filterKey && ("" == filterValue || labelValue == filterValue) {
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return true
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}
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}
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return false
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}, nil
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}
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return nil, errors.Errorf("%s is an invalid filter", filter)
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}
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