From 99983e20bbd6af8b88ae11ba53110438d666046b Mon Sep 17 00:00:00 2001 From: Giuseppe Scrivano Date: Mon, 15 Apr 2019 14:16:34 +0200 Subject: networking: use firewall plugin drop the pkg/firewall module and start using the firewall CNI plugin. It requires an updated package for CNI plugins. Signed-off-by: Giuseppe Scrivano --- libpod/networking_linux.go | 27 --------------------------- libpod/runtime.go | 13 ------------- 2 files changed, 40 deletions(-) (limited to 'libpod') diff --git a/libpod/networking_linux.go b/libpod/networking_linux.go index bef3f7739..fd14b2f73 100644 --- a/libpod/networking_linux.go +++ b/libpod/networking_linux.go @@ -17,7 +17,6 @@ import ( cnitypes "github.com/containernetworking/cni/pkg/types/current" "github.com/containernetworking/plugins/pkg/ns" "github.com/containers/libpod/pkg/errorhandling" - "github.com/containers/libpod/pkg/firewall" "github.com/containers/libpod/pkg/netns" "github.com/containers/libpod/pkg/rootless" "github.com/cri-o/ocicni/pkg/ocicni" @@ -86,18 +85,6 @@ func (r *Runtime) configureNetNS(ctr *Container, ctrNS ns.NetNS) ([]*cnitypes.Re networkStatus = append(networkStatus, resultCurrent) } - // Add firewall rules to ensure the container has network access. - // Will not be necessary once CNI firewall plugin merges upstream. - // https://github.com/containernetworking/plugins/pull/75 - for _, netStatus := range networkStatus { - firewallConf := &firewall.FirewallNetConf{ - PrevResult: netStatus, - } - if err := r.firewallBackend.Add(firewallConf); err != nil { - return nil, errors.Wrapf(err, "error adding firewall rules for container %s", ctr.ID()) - } - } - return networkStatus, nil } @@ -390,26 +377,12 @@ func (r *Runtime) closeNetNS(ctr *Container) error { } // Tear down a network namespace, undoing all state associated with it. -// The CNI firewall rules will be removed, the namespace will be unmounted, -// and the file descriptor associated with it closed. func (r *Runtime) teardownNetNS(ctr *Container) error { if ctr.state.NetNS == nil { // The container has no network namespace, we're set return nil } - // Remove firewall rules we added on configuring the container. - // Will not be necessary once CNI firewall plugin merges upstream. - // https://github.com/containernetworking/plugins/pull/75 - for _, netStatus := range ctr.state.NetworkStatus { - firewallConf := &firewall.FirewallNetConf{ - PrevResult: netStatus, - } - if err := r.firewallBackend.Del(firewallConf); err != nil { - return errors.Wrapf(err, "error removing firewall rules for container %s", ctr.ID()) - } - } - logrus.Debugf("Tearing down network namespace at %s for container %s", ctr.state.NetNS.Path(), ctr.ID()) var requestedIP net.IP diff --git a/libpod/runtime.go b/libpod/runtime.go index 2fa8dd424..ffc4c0cbc 100644 --- a/libpod/runtime.go +++ b/libpod/runtime.go @@ -23,7 +23,6 @@ import ( "github.com/containers/libpod/libpod/events" "github.com/containers/libpod/libpod/image" "github.com/containers/libpod/libpod/lock" - "github.com/containers/libpod/pkg/firewall" sysreg "github.com/containers/libpod/pkg/registries" "github.com/containers/libpod/pkg/rootless" "github.com/containers/libpod/pkg/util" @@ -108,7 +107,6 @@ type Runtime struct { netPlugin ocicni.CNIPlugin conmonPath string imageRuntime *image.Runtime - firewallBackend firewall.FirewallBackend lockManager lock.Manager configuredFrom *runtimeConfiguredFrom @@ -1110,17 +1108,6 @@ func makeRuntime(ctx context.Context, runtime *Runtime) (err error) { runtime.netPlugin = netPlugin } - // Set up a firewall backend - backendType := "" - if rootless.IsRootless() { - backendType = "none" - } - fwBackend, err := firewall.GetBackend(backendType) - if err != nil { - return err - } - runtime.firewallBackend = fwBackend - // We now need to see if the system has restarted // We check for the presence of a file in our tmp directory to verify this // This check must be locked to prevent races -- cgit v1.2.3-54-g00ecf