Consolidate filter logic to pkg subdirectory

Per the conversation on pull/8724 I am consolidating filter logic
and helper functions under the pkg/domain/filters dir.

Signed-off-by: Baron Lenardson <lenardson.baron@gmail.com>

cmd/podman/system/prune.go

@@ -11,8 +11,8 @@ import (
 	"github.com/containers/podman/v2/cmd/podman/registry"
 	"github.com/containers/podman/v2/cmd/podman/utils"
 	"github.com/containers/podman/v2/cmd/podman/validate"
-	lpfilters "github.com/containers/podman/v2/libpod/filters"
 	"github.com/containers/podman/v2/pkg/domain/entities"
+	dfilters "github.com/containers/podman/v2/pkg/domain/filters"
 	"github.com/spf13/cobra"
 )
 
@@ -80,7 +80,7 @@ Are you sure you want to continue? [y/N] `, volumeString)
 		}
 	}
 
-	pruneOptions.Filters, err = lpfilters.ParseFilterArgumentsIntoFilters(filters)
+	pruneOptions.Filters, err = dfilters.ParseFilterArgumentsIntoFilters(filters)
 	if err != nil {
 		return err
 	}

libpod/filters/helpers.go

@@ -1,20 +0,0 @@
-package lpfilters
-
-import (
-	"net/url"
-	"strings"
-
-	"github.com/pkg/errors"
-)
-
-func ParseFilterArgumentsIntoFilters(filters []string) (url.Values, error) {
-	parsedFilters := make(url.Values)
-	for _, f := range filters {
-		t := strings.SplitN(f, "=", 2)
-		if len(t) < 2 {
-			return parsedFilters, errors.Errorf("filter input must be in the form of filter=value: %s is invalid", f)
-		}
-		parsedFilters.Add(t[0], t[1])
-	}
-	return parsedFilters, nil
-}

pkg/api/handlers/compat/containers_prune.go

@@ -4,9 +4,9 @@ import (
 	"net/http"
 
 	"github.com/containers/podman/v2/libpod"
-	lpfilters "github.com/containers/podman/v2/libpod/filters"
 	"github.com/containers/podman/v2/pkg/api/handlers/utils"
 	"github.com/containers/podman/v2/pkg/domain/entities"
+	"github.com/containers/podman/v2/pkg/domain/filters"
 	"github.com/docker/docker/api/types"
 	"github.com/gorilla/schema"
 	"github.com/pkg/errors"
@@ -29,7 +29,7 @@ func PruneContainers(w http.ResponseWriter, r *http.Request) {
 	}
 	filterFuncs := make([]libpod.ContainerFilter, 0, len(query.Filters))
 	for k, v := range query.Filters {
-		generatedFunc, err := lpfilters.GenerateContainerFilterFuncs(k, v, runtime)
+		generatedFunc, err := filters.GenerateContainerFilterFuncs(k, v, runtime)
 		if err != nil {
 			utils.InternalServerError(w, err)
 			return

pkg/api/handlers/utils/pods.go

@@ -4,8 +4,8 @@ import (
 	"net/http"
 
 	"github.com/containers/podman/v2/libpod"
-	lpfilters "github.com/containers/podman/v2/libpod/filters"
 	"github.com/containers/podman/v2/pkg/domain/entities"
+	dfilters "github.com/containers/podman/v2/pkg/domain/filters"
 	"github.com/gorilla/schema"
 )
 
@@ -31,7 +31,7 @@ func GetPods(w http.ResponseWriter, r *http.Request) ([]*entities.ListPodsReport
 
 	filters := make([]libpod.PodFilter, 0, len(query.Filters))
 	for k, v := range query.Filters {
-		f, err := lpfilters.GeneratePodFilterFunc(k, v)
+		f, err := dfilters.GeneratePodFilterFunc(k, v)
 		if err != nil {
 			return nil, err
 		}

pkg/domain/filters/containers.go

@@ -1,4 +1,4 @@
-package lpfilters
+package filters
 
 import (
 	"strconv"

pkg/domain/filters/pods.go

@@ -1,4 +1,4 @@
-package lpfilters
+package filters
 
 import (
 	"strconv"

pkg/domain/infra/abi/containers.go

@@ -16,12 +16,12 @@ import (
 	"github.com/containers/podman/v2/libpod"
 	"github.com/containers/podman/v2/libpod/define"
 	"github.com/containers/podman/v2/libpod/events"
-	lpfilters "github.com/containers/podman/v2/libpod/filters"
 	"github.com/containers/podman/v2/libpod/image"
 	"github.com/containers/podman/v2/libpod/logs"
 	"github.com/containers/podman/v2/pkg/cgroups"
 	"github.com/containers/podman/v2/pkg/checkpoint"
 	"github.com/containers/podman/v2/pkg/domain/entities"
+	dfilters "github.com/containers/podman/v2/pkg/domain/filters"
 	"github.com/containers/podman/v2/pkg/domain/infra/abi/terminal"
 	parallelctr "github.com/containers/podman/v2/pkg/parallel/ctr"
 	"github.com/containers/podman/v2/pkg/ps"
@@ -207,7 +207,7 @@ func (ic *ContainerEngine) ContainerStop(ctx context.Context, namesOrIds []strin
 func (ic *ContainerEngine) ContainerPrune(ctx context.Context, options entities.ContainerPruneOptions) (*entities.ContainerPruneReport, error) {
 	filterFuncs := make([]libpod.ContainerFilter, 0, len(options.Filters))
 	for k, v := range options.Filters {
-		generatedFunc, err := lpfilters.GenerateContainerFilterFuncs(k, v, ic.Libpod)
+		generatedFunc, err := dfilters.GenerateContainerFilterFuncs(k, v, ic.Libpod)
 		if err != nil {
 			return nil, err
 		}

pkg/domain/infra/abi/pods.go

@@ -5,8 +5,8 @@ import (
 
 	"github.com/containers/podman/v2/libpod"
 	"github.com/containers/podman/v2/libpod/define"
-	lpfilters "github.com/containers/podman/v2/libpod/filters"
 	"github.com/containers/podman/v2/pkg/domain/entities"
+	dfilters "github.com/containers/podman/v2/pkg/domain/filters"
 	"github.com/containers/podman/v2/pkg/signal"
 	"github.com/containers/podman/v2/pkg/specgen"
 	"github.com/containers/podman/v2/pkg/specgen/generate"
@@ -288,7 +288,7 @@ func (ic *ContainerEngine) PodPs(ctx context.Context, options entities.PodPSOpti
 
 	filters := make([]libpod.PodFilter, 0, len(options.Filters))
 	for k, v := range options.Filters {
-		f, err := lpfilters.GeneratePodFilterFunc(k, v)
+		f, err := dfilters.GeneratePodFilterFunc(k, v)
 		if err != nil {
 			return nil, err
 		}

pkg/ps/ps.go

@@ -11,8 +11,8 @@ import (
 
 	"github.com/containers/podman/v2/libpod"
 	"github.com/containers/podman/v2/libpod/define"
-	lpfilters "github.com/containers/podman/v2/libpod/filters"
 	"github.com/containers/podman/v2/pkg/domain/entities"
+	"github.com/containers/podman/v2/pkg/domain/filters"
 	psdefine "github.com/containers/podman/v2/pkg/ps/define"
 	"github.com/containers/storage"
 	"github.com/pkg/errors"
@@ -27,7 +27,7 @@ func GetContainerLists(runtime *libpod.Runtime, options entities.ContainerListOp
 	all := options.All || options.Last > 0
 	if len(options.Filters) > 0 {
 		for k, v := range options.Filters {
-			generatedFunc, err := lpfilters.GenerateContainerFilterFuncs(k, v, runtime)
+			generatedFunc, err := filters.GenerateContainerFilterFuncs(k, v, runtime)
 			if err != nil {
 				return nil, err
 			}
@@ -41,7 +41,7 @@ func GetContainerLists(runtime *libpod.Runtime, options entities.ContainerListOp
 		all = true
 	}
 	if !all {
-		runningOnly, err := lpfilters.GenerateContainerFilterFuncs("status", []string{define.ContainerStateRunning.String()}, runtime)
+		runningOnly, err := filters.GenerateContainerFilterFuncs("status", []string{define.ContainerStateRunning.String()}, runtime)
 		if err != nil {
 			return nil, err
 		}