Remove deprecated field ContainerState.NetworkStatusOld

This field drags in a dependency on CNI and thereby blocks us from disabling CNI
support via a build tag

[NO NEW TESTS NEEDED]

Signed-off-by: Dan Čermák <dcermak@suse.com>

go.mod

@@ -9,7 +9,6 @@ require (
 	github.com/buger/goterm v1.0.4
 	github.com/checkpoint-restore/checkpointctl v1.1.0
 	github.com/checkpoint-restore/go-criu/v7 v7.0.0
-	github.com/containernetworking/cni v1.1.2
 	github.com/containernetworking/plugins v1.4.0
 	github.com/containers/buildah v1.33.2-0.20231121195905-d1a1c53c8e1c
 	github.com/containers/common v0.57.1-0.20231206135104-b647eb3a5eea
@@ -97,6 +96,7 @@ require (
 	github.com/containerd/log v0.1.0 // indirect
 	github.com/containerd/stargz-snapshotter/estargz v0.15.1 // indirect
 	github.com/containerd/typeurl/v2 v2.1.1 // indirect
+	github.com/containernetworking/cni v1.1.2 // indirect
 	github.com/containers/libtrust v0.0.0-20230121012942-c1716e8a8d01 // indirect
 	github.com/containers/luksy v0.0.0-20231030195837-b5a7f79da98b // indirect
 	github.com/coreos/go-oidc/v3 v3.7.0 // indirect

libpod/container.go

@@ -13,8 +13,6 @@ import (
 	"strings"
 	"time"
 
-	types040 "github.com/containernetworking/cni/pkg/types/040"
-	"github.com/containers/common/libnetwork/cni"
 	"github.com/containers/common/libnetwork/types"
 	"github.com/containers/common/pkg/config"
 	"github.com/containers/common/pkg/secrets"
@@ -176,13 +174,6 @@ type ContainerState struct {
 	LegacyExecSessions map[string]*legacyExecSession `json:"execSessions,omitempty"`
 	// NetNS is the path or name of the NetNS
 	NetNS string `json:"netns,omitempty"`
-	// NetworkStatusOld contains the configuration results for all networks
-	// the pod is attached to. Only populated if we created a network
-	// namespace for the container, and the network namespace is currently
-	// active.
-	// These are DEPRECATED and will be removed in a future release.
-	// This field is only used for backwarts compatibility.
-	NetworkStatusOld []*types040.Result `json:"networkResults,omitempty"`
 	// NetworkStatus contains the network Status for all networks
 	// the container is attached to. Only populated if we created a network
 	// namespace for the container, and the network namespace is currently
@@ -1374,39 +1365,10 @@ func (c *Container) GetNetworkStatus() (map[string]types.StatusBlock, error) {
 	return c.getNetworkStatus(), nil
 }
 
-// getNetworkStatus get the current network status from the state. If the container
-// still uses the old network status it is converted to the new format. This function
+// getNetworkStatus get the current network status from the state. This function
 // should be used instead of reading c.state.NetworkStatus directly.
 func (c *Container) getNetworkStatus() map[string]types.StatusBlock {
-	if c.state.NetworkStatus != nil {
-		return c.state.NetworkStatus
-	}
-	if c.state.NetworkStatusOld != nil {
-		networks, err := c.networks()
-		if err != nil {
-			return nil
-		}
-		if len(networks) != len(c.state.NetworkStatusOld) {
-			return nil
-		}
-		result := make(map[string]types.StatusBlock, len(c.state.NetworkStatusOld))
-		i := 0
-		// Note: NetworkStatusOld does not contain the network names so we get them extra
-		// We cannot guarantee the same order but after a state refresh it should work
-		for netName := range networks {
-			status, err := cni.CNIResultToStatus(c.state.NetworkStatusOld[i])
-			if err != nil {
-				return nil
-			}
-			result[netName] = status
-			i++
-		}
-		c.state.NetworkStatus = result
-		_ = c.save()
-
-		return result
-	}
-	return nil
+	return c.state.NetworkStatus
 }
 
 func (c *Container) NamespaceMode(ns spec.LinuxNamespaceType, ctrSpec *spec.Spec) string {

libpod/container_internal.go

@@ -643,7 +643,6 @@ func resetContainerState(state *ContainerState) {
 	state.StartupHCFailureCount = 0
 	state.NetNS = ""
 	state.NetworkStatus = nil
-	state.NetworkStatusOld = nil
 }
 
 // Refresh refreshes the container's state after a restart.
@@ -694,7 +693,6 @@ func (c *Container) refresh() error {
 	c.lock = lock
 
 	c.state.NetworkStatus = nil
-	c.state.NetworkStatusOld = nil
 
 	// Rewrite the config if necessary.
 	// Podman 4.0 uses a new port format in the config.

libpod/container_internal_linux.go

@@ -176,7 +176,6 @@ func (c *Container) cleanupNetwork() error {
 
 	c.state.NetNS = ""
 	c.state.NetworkStatus = nil
-	c.state.NetworkStatusOld = nil
 
 	if c.valid {
 		return c.save()