Add network filter for podman ps and pod ps

Allow to filter on the network name or full id.
For pod ps it will filter on the infra container networks.

Signed-off-by: Paul Holzinger <paul.holzinger@web.de>

2 files changed, 43 insertions, 0 deletions

diff --git a/pkg/domain/filters/containers.go b/pkg/domain/filters/containers.go
index ce6c12b71..09ef6201a 100644
--- a/pkg/domain/filters/containers.go
+++ b/pkg/domain/filters/containers.go
@@ -7,6 +7,7 @@ import (
 
 	"github.com/containers/podman/v2/libpod"
 	"github.com/containers/podman/v2/libpod/define"
+	"github.com/containers/podman/v2/libpod/network"
 	"github.com/containers/podman/v2/pkg/timetype"
 	"github.com/containers/podman/v2/pkg/util"
 	"github.com/pkg/errors"
@@ -233,6 +234,24 @@ func GenerateContainerFilterFuncs(filter string, filterValues []string, r *libpo
 			}
 			return false
 		}, nil
+	case "network":
+		return func(c *libpod.Container) bool {
+			networks, _, err := c.Networks()
+			// if err or no networks, quick out
+			if err != nil || len(networks) == 0 {
+				return false
+			}
+			for _, net := range networks {
+				netID := network.GetNetworkID(net)
+				for _, val := range filterValues {
+					// match by network name or id
+					if val == net || val == netID {
+						return true
+					}
+				}
+			}
+			return false
+		}, nil
 	}
 	return nil, errors.Errorf("%s is an invalid filter", filter)
 }
diff --git a/pkg/domain/filters/pods.go b/pkg/domain/filters/pods.go
index 7e6b7f2cc..685c182ba 100644
--- a/pkg/domain/filters/pods.go
+++ b/pkg/domain/filters/pods.go
@@ -6,6 +6,7 @@ import (
 
 	"github.com/containers/podman/v2/libpod"
 	"github.com/containers/podman/v2/libpod/define"
+	"github.com/containers/podman/v2/libpod/network"
 	"github.com/containers/podman/v2/pkg/util"
 	"github.com/pkg/errors"
 )
@@ -134,6 +135,29 @@ func GeneratePodFilterFunc(filter string, filterValues []string) (
 			}
 			return true
 		}, nil
+	case "network":
+		return func(p *libpod.Pod) bool {
+			infra, err := p.InfraContainer()
+			// no infra, quick out
+			if err != nil {
+				return false
+			}
+			networks, _, err := infra.Networks()
+			// if err or no networks, quick out
+			if err != nil || len(networks) == 0 {
+				return false
+			}
+			for _, net := range networks {
+				netID := network.GetNetworkID(net)
+				for _, val := range filterValues {
+					// match by network name or id
+					if val == net || val == netID {
+						return true
+					}
+				}
+			}
+			return false
+		}, nil
 	}
 	return nil, errors.Errorf("%s is an invalid filter", filter)
 }