podmanv2 volumes

add volume commands: create, inspect, ls, prune, and rm

Signed-off-by: Brent Baude <bbaude@redhat.com>

1 files changed, 70 insertions, 0 deletions

diff --git a/pkg/domain/filters/volumes.go b/pkg/domain/filters/volumes.go
new file mode 100644
index 000000000..f97c3f570
--- /dev/null
+++ b/pkg/domain/filters/volumes.go
@@ -0,0 +1,70 @@
+package filters
+
+import (
+	"strings"
+
+	"github.com/containers/libpod/libpod"
+	"github.com/pkg/errors"
+)
+
+func GenerateVolumeFilters(filters map[string][]string) ([]libpod.VolumeFilter, error) {
+	var vf []libpod.VolumeFilter
+	for filter, v := range filters {
+		for _, val := range v {
+			switch filter {
+			case "name":
+				nameVal := val
+				vf = append(vf, func(v *libpod.Volume) bool {
+					return nameVal == v.Name()
+				})
+			case "driver":
+				driverVal := val
+				vf = append(vf, func(v *libpod.Volume) bool {
+					return v.Driver() == driverVal
+				})
+			case "scope":
+				scopeVal := val
+				vf = append(vf, func(v *libpod.Volume) bool {
+					return v.Scope() == scopeVal
+				})
+			case "label":
+				filterArray := strings.SplitN(val, "=", 2)
+				filterKey := filterArray[0]
+				var filterVal string
+				if len(filterArray) > 1 {
+					filterVal = filterArray[1]
+				} else {
+					filterVal = ""
+				}
+				vf = append(vf, func(v *libpod.Volume) bool {
+					for labelKey, labelValue := range v.Labels() {
+						if labelKey == filterKey && ("" == filterVal || labelValue == filterVal) {
+							return true
+						}
+					}
+					return false
+				})
+			case "opt":
+				filterArray := strings.SplitN(val, "=", 2)
+				filterKey := filterArray[0]
+				var filterVal string
+				if len(filterArray) > 1 {
+					filterVal = filterArray[1]
+				} else {
+					filterVal = ""
+				}
+				vf = append(vf, func(v *libpod.Volume) bool {
+					for labelKey, labelValue := range v.Options() {
+						if labelKey == filterKey && ("" == filterVal || labelValue == filterVal) {
+							return true
+						}
+					}
+					return false
+				})
+			default:
+				return nil, errors.Errorf("%q is in an invalid volume filter", filter)
+			}
+		}
+	}
+	return vf, nil
+}