diff options
Diffstat (limited to 'libpod')
| -rw-r--r-- | libpod/image/image.go | 6 | ||||
| -rw-r--r-- | libpod/image/image_test.go | 2 | ||||
| -rw-r--r-- | libpod/podfilters/pods.go | 115 |
3 files changed, 119 insertions, 4 deletions
diff --git a/libpod/image/image.go b/libpod/image/image.go index 5f914ed79..80cc6f15a 100644 --- a/libpod/image/image.go +++ b/libpod/image/image.go @@ -512,8 +512,8 @@ func getImageDigest(ctx context.Context, src types.ImageReference, sc *types.Sys return "@" + imageDigest.Hex(), nil } -// normalizedTag returns the canonical version of tag for use in Image.Names() -func normalizedTag(tag string) (reference.Named, error) { +// NormalizedTag returns the canonical version of tag for use in Image.Names() +func NormalizedTag(tag string) (reference.Named, error) { decomposedTag, err := decompose(tag) if err != nil { return nil, err @@ -541,7 +541,7 @@ func (i *Image) TagImage(tag string) error { if err := i.reloadImage(); err != nil { return err } - ref, err := normalizedTag(tag) + ref, err := NormalizedTag(tag) if err != nil { return err } diff --git a/libpod/image/image_test.go b/libpod/image/image_test.go index 19f7eee1e..3cd368cdc 100644 --- a/libpod/image/image_test.go +++ b/libpod/image/image_test.go @@ -292,7 +292,7 @@ func TestNormalizedTag(t *testing.T) { {"ns/busybox:latest", "localhost/ns/busybox:latest"}, // Unqualified with a dot-less namespace {"docker.io/busybox:latest", "docker.io/library/busybox:latest"}, // docker.io without /library/ } { - res, err := normalizedTag(c.input) + res, err := NormalizedTag(c.input) if c.expected == "" { assert.Error(t, err, c.input) } else { diff --git a/libpod/podfilters/pods.go b/libpod/podfilters/pods.go new file mode 100644 index 000000000..54fa85edc --- /dev/null +++ b/libpod/podfilters/pods.go @@ -0,0 +1,115 @@ +package podfilters + +import ( + "strconv" + "strings" + + "github.com/containers/libpod/libpod" + "github.com/containers/libpod/libpod/define" + "github.com/containers/libpod/pkg/util" + "github.com/pkg/errors" +) + +// GeneratePodFilterFunc takes a filter and filtervalue (key, value) +// and generates a libpod function that can be used to filter +// pods +func GeneratePodFilterFunc(filter, filterValue string) ( + func(pod *libpod.Pod) bool, error) { + switch filter { + case "ctr-ids": + return func(p *libpod.Pod) bool { + ctrIds, err := p.AllContainersByID() + if err != nil { + return false + } + return util.StringInSlice(filterValue, ctrIds) + }, nil + case "ctr-names": + return func(p *libpod.Pod) bool { + ctrs, err := p.AllContainers() + if err != nil { + return false + } + for _, ctr := range ctrs { + if filterValue == ctr.Name() { + return true + } + } + return false + }, nil + case "ctr-number": + return func(p *libpod.Pod) bool { + ctrIds, err := p.AllContainersByID() + if err != nil { + return false + } + + fVint, err2 := strconv.Atoi(filterValue) + if err2 != nil { + return false + } + return len(ctrIds) == fVint + }, nil + case "ctr-status": + if !util.StringInSlice(filterValue, + []string{"created", "restarting", "running", "paused", + "exited", "unknown"}) { + return nil, errors.Errorf("%s is not a valid status", filterValue) + } + return func(p *libpod.Pod) bool { + ctr_statuses, err := p.Status() + if err != nil { + return false + } + for _, ctr_status := range ctr_statuses { + state := ctr_status.String() + if ctr_status == define.ContainerStateConfigured { + state = "created" + } + if state == filterValue { + return true + } + } + return false + }, nil + case "id": + return func(p *libpod.Pod) bool { + return strings.Contains(p.ID(), filterValue) + }, nil + case "name": + return func(p *libpod.Pod) bool { + return strings.Contains(p.Name(), filterValue) + }, nil + case "status": + if !util.StringInSlice(filterValue, []string{"stopped", "running", "paused", "exited", "dead", "created"}) { + return nil, errors.Errorf("%s is not a valid pod status", filterValue) + } + return func(p *libpod.Pod) bool { + status, err := p.GetPodStatus() + if err != nil { + return false + } + if strings.ToLower(status) == filterValue { + return true + } + return false + }, nil + case "label": + var filterArray = strings.SplitN(filterValue, "=", 2) + var filterKey = filterArray[0] + if len(filterArray) > 1 { + filterValue = filterArray[1] + } else { + filterValue = "" + } + return func(p *libpod.Pod) bool { + for labelKey, labelValue := range p.Labels() { + if labelKey == filterKey && ("" == filterValue || labelValue == filterValue) { + return true + } + } + return false + }, nil + } + return nil, errors.Errorf("%s is an invalid filter", filter) +} |