Podman stop --filter flag

Filter flag is added for podman stop and podman --remote stop. Filtering logic is implemented in
getContainersAndInputByContext(). Start filtering can be manipulated to use this logic as well to limit redundancy.

Signed-off-by: Karthik Elango <kelango@redhat.com>

3 files changed, 36 insertions, 15 deletions

diff --git a/pkg/domain/infra/abi/containers.go b/pkg/domain/infra/abi/containers.go
index 23a591604..04eb85504 100644
--- a/pkg/domain/infra/abi/containers.go
+++ b/pkg/domain/infra/abi/containers.go
@@ -37,12 +37,29 @@ import (
 )
 
 // getContainersAndInputByContext gets containers whether all, latest, or a slice of names/ids
-// is specified.  It also returns a list of the corresponding input name used to look up each container.
-func getContainersAndInputByContext(all, latest bool, names []string, runtime *libpod.Runtime) (ctrs []*libpod.Container, rawInput []string, err error) {
+// is specified.  It also returns a list of the corresponding input name used to lookup each container.
+func getContainersAndInputByContext(all, latest bool, names []string, filters map[string][]string, runtime *libpod.Runtime) (ctrs []*libpod.Container, rawInput []string, err error) {
 	var ctr *libpod.Container
 	ctrs = []*libpod.Container{}
+	filterFuncs := make([]libpod.ContainerFilter, 0, len(filters))
 
 	switch {
+	case len(filters) > 0:
+		for k, v := range filters {
+			generatedFunc, err := dfilters.GenerateContainerFilterFuncs(k, v, runtime)
+			if err != nil {
+				return nil, nil, err
+			}
+			filterFuncs = append(filterFuncs, generatedFunc)
+		}
+		ctrs, err = runtime.GetContainers(filterFuncs...)
+		if err != nil {
+			return nil, nil, err
+		}
+		rawInput = []string{}
+		for _, candidate := range ctrs {
+			rawInput = append(rawInput, candidate.ID())
+		}
 	case all:
 		ctrs, err = runtime.GetAllContainers()
 	case latest:
@@ -66,13 +83,13 @@ func getContainersAndInputByContext(all, latest bool, names []string, runtime *l
 			}
 		}
 	}
-	return
+	return ctrs, rawInput, err
 }
 
 // getContainersByContext gets containers whether all, latest, or a slice of names/ids
 // is specified.
 func getContainersByContext(all, latest bool, names []string, runtime *libpod.Runtime) (ctrs []*libpod.Container, err error) {
-	ctrs, _, err = getContainersAndInputByContext(all, latest, names, runtime)
+	ctrs, _, err = getContainersAndInputByContext(all, latest, names, nil, runtime)
 	return
 }
 
@@ -150,7 +167,7 @@ func (ic *ContainerEngine) ContainerUnpause(ctx context.Context, namesOrIds []st
 }
 func (ic *ContainerEngine) ContainerStop(ctx context.Context, namesOrIds []string, options entities.StopOptions) ([]*entities.StopReport, error) {
 	names := namesOrIds
-	ctrs, rawInputs, err := getContainersAndInputByContext(options.All, options.Latest, names, ic.Libpod)
+	ctrs, rawInputs, err := getContainersAndInputByContext(options.All, options.Latest, names, options.Filters, ic.Libpod)
 	if err != nil && !(options.Ignore && errors.Is(err, define.ErrNoSuchCtr)) {
 		return nil, err
 	}
@@ -228,7 +245,7 @@ func (ic *ContainerEngine) ContainerKill(ctx context.Context, namesOrIds []strin
 	if err != nil {
 		return nil, err
 	}
-	ctrs, rawInputs, err := getContainersAndInputByContext(options.All, options.Latest, namesOrIds, ic.Libpod)
+	ctrs, rawInputs, err := getContainersAndInputByContext(options.All, options.Latest, namesOrIds, nil, ic.Libpod)
 	if err != nil {
 		return nil, err
 	}
@@ -874,7 +891,7 @@ func (ic *ContainerEngine) ContainerStart(ctx context.Context, namesOrIds []stri
 			}
 		}
 	}
-	ctrs, rawInputs, err := getContainersAndInputByContext(all, options.Latest, containersNamesOrIds, ic.Libpod)
+	ctrs, rawInputs, err := getContainersAndInputByContext(all, options.Latest, containersNamesOrIds, options.Filters, ic.Libpod)
 	if err != nil {
 		return nil, err
 	}
diff --git a/pkg/domain/infra/tunnel/containers.go b/pkg/domain/infra/tunnel/containers.go
index 5568ccde8..fcabff7c4 100644
--- a/pkg/domain/infra/tunnel/containers.go
+++ b/pkg/domain/infra/tunnel/containers.go
@@ -91,8 +91,7 @@ func (ic *ContainerEngine) ContainerUnpause(ctx context.Context, namesOrIds []st
 }
 
 func (ic *ContainerEngine) ContainerStop(ctx context.Context, namesOrIds []string, opts entities.StopOptions) ([]*entities.StopReport, error) {
-	reports := []*entities.StopReport{}
-	ctrs, rawInputs, err := getContainersAndInputByContext(ic.ClientCtx, opts.All, opts.Ignore, namesOrIds)
+	ctrs, rawInputs, err := getContainersAndInputByContext(ic.ClientCtx, opts.All, opts.Ignore, namesOrIds, opts.Filters)
 	if err != nil {
 		return nil, err
 	}
@@ -104,6 +103,7 @@ func (ic *ContainerEngine) ContainerStop(ctx context.Context, namesOrIds []strin
 	if to := opts.Timeout; to != nil {
 		options.WithTimeout(*to)
 	}
+	reports := []*entities.StopReport{}
 	for _, c := range ctrs {
 		report := entities.StopReport{
 			Id:       c.ID,
@@ -134,7 +134,7 @@ func (ic *ContainerEngine) ContainerStop(ctx context.Context, namesOrIds []strin
 }
 
 func (ic *ContainerEngine) ContainerKill(ctx context.Context, namesOrIds []string, opts entities.KillOptions) ([]*entities.KillReport, error) {
-	ctrs, rawInputs, err := getContainersAndInputByContext(ic.ClientCtx, opts.All, false, namesOrIds)
+	ctrs, rawInputs, err := getContainersAndInputByContext(ic.ClientCtx, opts.All, false, namesOrIds, nil)
 	if err != nil {
 		return nil, err
 	}
diff --git a/pkg/domain/infra/tunnel/helpers.go b/pkg/domain/infra/tunnel/helpers.go
index 24b2b619d..9ff1641f0 100644
--- a/pkg/domain/infra/tunnel/helpers.go
+++ b/pkg/domain/infra/tunnel/helpers.go
@@ -15,25 +15,29 @@ import (
 // FIXME: the `ignore` parameter is very likely wrong here as it should rather
 //        be used on *errors* from operations such as remove.
 func getContainersByContext(contextWithConnection context.Context, all, ignore bool, namesOrIDs []string) ([]entities.ListContainer, error) {
-	ctrs, _, err := getContainersAndInputByContext(contextWithConnection, all, ignore, namesOrIDs)
+	ctrs, _, err := getContainersAndInputByContext(contextWithConnection, all, ignore, namesOrIDs, nil)
 	return ctrs, err
 }
 
-func getContainersAndInputByContext(contextWithConnection context.Context, all, ignore bool, namesOrIDs []string) ([]entities.ListContainer, []string, error) {
+func getContainersAndInputByContext(contextWithConnection context.Context, all, ignore bool, namesOrIDs []string, filters map[string][]string) ([]entities.ListContainer, []string, error) {
 	if all && len(namesOrIDs) > 0 {
 		return nil, nil, errors.New("cannot look up containers and all")
 	}
-	options := new(containers.ListOptions).WithAll(true).WithSync(true)
+	options := new(containers.ListOptions).WithAll(true).WithSync(true).WithFilters(filters)
 	allContainers, err := containers.List(contextWithConnection, options)
 	if err != nil {
 		return nil, nil, err
 	}
 	rawInputs := []string{}
-	if all {
+	switch {
+	case len(filters) > 0:
+		for i := range allContainers {
+			namesOrIDs = append(namesOrIDs, allContainers[i].ID)
+		}
+	case all:
 		for i := range allContainers {
 			rawInputs = append(rawInputs, allContainers[i].ID)
 		}
-
 		return allContainers, rawInputs, err
 	}