From 85e8fbf7f33717ef6a0d6cf9e2143b52c874c2de Mon Sep 17 00:00:00 2001
From: Paul Holzinger <pholzing@redhat.com>
Date: Mon, 16 Aug 2021 16:11:26 +0200
Subject: Wire network interface into libpod

Make use of the new network interface in libpod.

This commit contains several breaking changes:
- podman network create only outputs the new network name and not file
  path.
- podman network ls shows the network driver instead of the cni version
  and plugins.
- podman network inspect outputs the new network struct and not the cni
  conflist.
- The bindings and libpod api endpoints have been changed to use the new
  network structure.

The container network status is stored in a new field in the state. The
status should be received with the new `c.getNetworkStatus`. This will
migrate the old status to the new format. Therefore old containers should
contine to work correctly in all cases even when network connect/
disconnect is used.

New features:
- podman network reload keeps the ip and mac for more than one network.
- podman container restore keeps the ip and mac for more than one
  network.
- The network create compat endpoint can now use more than one ipam
  config.

The man pages and the swagger doc are updated to reflect the latest
changes.

Signed-off-by: Paul Holzinger <pholzing@redhat.com>
---
 libpod/network/util/filters.go | 40 ++++++++++++++++++++++++++++++++--------
 1 file changed, 32 insertions(+), 8 deletions(-)

(limited to 'libpod/network/util')

diff --git a/libpod/network/util/filters.go b/libpod/network/util/filters.go
index 48e769196..c3c80b352 100644
--- a/libpod/network/util/filters.go
+++ b/libpod/network/util/filters.go
@@ -28,12 +28,6 @@ func createFilterFuncs(key string, filterValues []string) (types.FilterFunc, err
 			return util.StringMatchRegexSlice(net.Name, filterValues)
 		}, nil
 
-	case "label":
-		// matches all labels
-		return func(net types.Network) bool {
-			return util.MatchLabelFilters(filterValues, net.Labels)
-		}, nil
-
 	case "driver":
 		// matches network driver
 		return func(net types.Network) bool {
@@ -46,9 +40,39 @@ func createFilterFuncs(key string, filterValues []string) (types.FilterFunc, err
 			return util.StringMatchRegexSlice(net.ID, filterValues)
 		}, nil
 
-	// FIXME: What should we do with the old plugin filter
-	// TODO: add dangling, dns enabled, internal filter
+		// TODO: add dns enabled, internal filter
+	}
+	return createPruneFilterFuncs(key, filterValues)
+}
+
+func GenerateNetworkPruneFilters(filters map[string][]string) ([]types.FilterFunc, error) {
+	filterFuncs := make([]types.FilterFunc, 0, len(filters))
+	for key, filterValues := range filters {
+		filterFunc, err := createPruneFilterFuncs(key, filterValues)
+		if err != nil {
+			return nil, err
+		}
+		filterFuncs = append(filterFuncs, filterFunc)
+	}
+	return filterFuncs, nil
+}
+
+func createPruneFilterFuncs(key string, filterValues []string) (types.FilterFunc, error) {
+	switch strings.ToLower(key) {
+	case "label":
+		// matches all labels
+		return func(net types.Network) bool {
+			return util.MatchLabelFilters(filterValues, net.Labels)
+		}, nil
 
+	case "until":
+		until, err := util.ComputeUntilTimestamp(filterValues)
+		if err != nil {
+			return nil, err
+		}
+		return func(net types.Network) bool {
+			return net.Created.Before(until)
+		}, nil
 	default:
 		return nil, errors.Errorf("invalid filter %q", key)
 	}
-- 
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