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|
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
}
|
