diff options
Diffstat (limited to 'acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/write/VppAclCustomizer.java')
| -rw-r--r-- | acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/write/VppAclCustomizer.java | 73 |
1 files changed, 71 insertions, 2 deletions
diff --git a/acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/write/VppAclCustomizer.java b/acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/write/VppAclCustomizer.java index ee6a9aeed..70fdbdea2 100644 --- a/acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/write/VppAclCustomizer.java +++ b/acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/write/VppAclCustomizer.java @@ -16,6 +16,13 @@ package io.fd.hc2vpp.acl.write; +import static com.google.common.base.Preconditions.checkState; +import static io.fd.hc2vpp.acl.write.VppAclCustomizer.AclReferenceCheck.checkAclReferenced; +import static java.lang.String.format; +import static java.util.Collections.emptyList; +import static java.util.Optional.ofNullable; + +import com.google.common.base.Optional; import io.fd.hc2vpp.acl.util.AclContextManager; import io.fd.hc2vpp.acl.util.FutureJVppAclCustomizer; import io.fd.hc2vpp.acl.util.acl.AclDataExtractor; @@ -26,9 +33,24 @@ import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer; import io.fd.honeycomb.translate.write.WriteContext; import io.fd.honeycomb.translate.write.WriteFailedException; import io.fd.vpp.jvpp.acl.future.FutureJVppAclFacade; +import java.util.Collections; +import java.util.List; +import java.util.stream.Collectors; import javax.annotation.Nonnull; +import javax.annotation.Nullable; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.AclBase; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.Acl; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160708.access.lists.AclKey; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.acl.rev161214.InterfaceAclAttributes; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.acl.rev161214.VppAclInterfaceAugmentation; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.acl.rev161214.VppAclsBaseAttributes; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.acl.rev161214.VppMacipAclsBaseAttributes; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.acl.rev161214._interface.acl.attributes.acl.Egress; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.acl.rev161214._interface.acl.attributes.acl.Ingress; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.VppAcl; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.VppMacipAcl; import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; public class VppAclCustomizer extends FutureJVppAclCustomizer @@ -91,10 +113,14 @@ public class VppAclCustomizer extends FutureJVppAclCustomizer @Override public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<Acl> id, @Nonnull final Acl dataBefore, @Nonnull final WriteContext writeContext) throws WriteFailedException { - // According to VPP team, acl references should be removed before trying to remove ACL - // For mac-ip, reference should be removed during removal of mac-ip, so no need to check in hc validateAcl(dataBefore); + final List<Interface> references = checkAclReferenced(writeContext, dataBefore); + // references must be check, to not leave dead references in configuration + checkState(references.isEmpty(), + "%s cannot be removed, it is referenced in following interfaces %s", dataBefore, + references); + final MappingContext mappingContext = writeContext.getMappingContext(); if (isStandardAcl(dataBefore)) { @@ -107,4 +133,47 @@ public class VppAclCustomizer extends FutureJVppAclCustomizer new IllegalArgumentException("Unsupported acl option")); } } + + static final class AclReferenceCheck { + + static List<Interface> checkAclReferenced(@Nonnull final WriteContext writeContext, + @Nonnull final Acl acl) { + final Optional<Interfaces> readAfter = writeContext.readAfter(InstanceIdentifier.create(Interfaces.class)); + if (!readAfter.isPresent() || readAfter.get().getInterface() == null) { + return Collections.emptyList(); + } + + final List<Interface> interfaces = readAfter.get().getInterface(); + final Class<? extends AclBase> aclType = acl.getAclType(); + final String aclName = acl.getAclName(); + + if (aclType.equals(VppAcl.class)) { + return interfaces.stream() + .filter(iface -> ofNullable(iface.getAugmentation(VppAclInterfaceAugmentation.class)) + .map(InterfaceAclAttributes::getAcl) + .filter(references -> + checkVppAcls(references.getIngress(), aclName) || + checkVppAcls(references.getEgress(), aclName)).isPresent() + ).collect(Collectors.toList()); + } else if (aclType.equals(VppMacipAcl.class)) { + return interfaces.stream() + .filter(iface -> ofNullable(iface.getAugmentation(VppAclInterfaceAugmentation.class)) + .map(InterfaceAclAttributes::getAcl) + .map(aclAttr -> aclAttr.getIngress()) + .map(VppMacipAclsBaseAttributes::getVppMacipAcl) + .filter(vppMacipAcl -> vppMacipAcl.getName().equals(aclName)) + .isPresent()) + .collect(Collectors.toList()); + } else { + throw new IllegalArgumentException(format("Acl type %s not supported", aclType)); + } + } + + static boolean checkVppAcls(@Nullable final VppAclsBaseAttributes attrs, @Nonnull final String name) { + return ofNullable(attrs).map(VppAclsBaseAttributes::getVppAcls) + .orElse(emptyList()) + .stream().anyMatch(acl -> acl.getName().equals(name)); + + } + } } |