diff options
Diffstat (limited to 'v3po/v3po2vpp/src/main')
4 files changed, 108 insertions, 7 deletions
diff --git a/v3po/v3po2vpp/src/main/config/default-config.xml b/v3po/v3po2vpp/src/main/config/default-config.xml index be45a291b..19226d4fc 100644 --- a/v3po/v3po2vpp/src/main/config/default-config.xml +++ b/v3po/v3po2vpp/src/main/config/default-config.xml @@ -23,6 +23,9 @@ <capability>urn:honeycomb:params:xml:ns:yang:v3po2vpp?module=v3po2vpp&revision=2016-04-06</capability> <capability>urn:honeycomb:params:xml:ns:yang:data:api?module=data-api&revision=2016-04-11</capability> <capability>urn:honeycomb:params:xml:ns:yang:vpp:util?module=vpp-util&revision=2016-04-06</capability> + <capability> + urn:opendaylight:params:xml:ns:yang:controller:threadpool:impl:scheduled?module=threadpool-impl-scheduled&revision=2013-12-01 + </capability> </required-capabilities> <configuration> @@ -54,6 +57,13 @@ <type xmlns:prefix="urn:honeycomb:params:xml:ns:yang:vpp:util">prefix:naming-context</type> <name>bridge-domain-context</name> </bridge-domain-context-vpp-state> + <!-- Reuse netconf's scheduled executor for keepalives --> + <keepalive-executor> + <type xmlns:prefix="urn:opendaylight:params:xml:ns:yang:controller:threadpool"> + prefix:threadpool + </type> + <name>global-netconf-ssh-scheduled-executor</name> + </keepalive-executor> </module> <module> <type xmlns:prefix="urn:honeycomb:params:xml:ns:yang:v3po2vpp">prefix:interfaces-state-honeycomb-reader</type> diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppstate/VersionCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppstate/VersionCustomizer.java index ad181a701..8122fd245 100644 --- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppstate/VersionCustomizer.java +++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppstate/VersionCustomizer.java @@ -21,6 +21,7 @@ import io.fd.honeycomb.v3po.translate.read.ReadFailedException; import io.fd.honeycomb.v3po.translate.spi.read.ChildReaderCustomizer; import io.fd.honeycomb.v3po.translate.v3po.util.FutureJVppCustomizer; import io.fd.honeycomb.v3po.translate.v3po.util.TranslateUtils; +import java.util.concurrent.CompletionStage; import javax.annotation.Nonnull; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VppStateBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.Version; @@ -36,6 +37,11 @@ public final class VersionCustomizer extends FutureJVppCustomizer implements ChildReaderCustomizer<Version, VersionBuilder> { + /** + * Default timeout for executing version read + */ + private static final int DEFAULT_TIMEOUT_IN_SECONDS = 30; + public VersionCustomizer(@Nonnull final FutureJVpp futureJVpp) { super(futureJVpp); } @@ -54,13 +60,11 @@ public final class VersionCustomizer @Override public void readCurrentAttributes(@Nonnull InstanceIdentifier<Version> id, @Nonnull final VersionBuilder builder, @Nonnull final ReadContext context) throws ReadFailedException { + // Execute with timeout + final CompletionStage<ShowVersionReply> showVersionFuture = getFutureJVpp().showVersion(new ShowVersion()); + final ShowVersionReply reply = TranslateUtils.getReply(showVersionFuture.toCompletableFuture(), id, + DEFAULT_TIMEOUT_IN_SECONDS); - ShowVersionReply reply; - try { - reply = getFutureJVpp().showVersion(new ShowVersion()).toCompletableFuture().get(); - } catch (Exception e) { - throw new ReadFailedException(id, e); - } builder.setBranch(TranslateUtils.toString(reply.version)); builder.setName(TranslateUtils.toString(reply.program)); builder.setBuildDate(TranslateUtils.toString(reply.buildDate)); diff --git a/v3po/v3po2vpp/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/v3po2vpp/rev160406/VppStateHoneycombReaderModule.java b/v3po/v3po2vpp/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/v3po2vpp/rev160406/VppStateHoneycombReaderModule.java index 9a0165577..32e5dabc0 100644 --- a/v3po/v3po2vpp/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/v3po2vpp/rev160406/VppStateHoneycombReaderModule.java +++ b/v3po/v3po2vpp/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/v3po2vpp/rev160406/VppStateHoneycombReaderModule.java @@ -4,14 +4,26 @@ import io.fd.honeycomb.v3po.translate.impl.read.CompositeChildReader; import io.fd.honeycomb.v3po.translate.impl.read.CompositeListReader; import io.fd.honeycomb.v3po.translate.impl.read.CompositeRootReader; import io.fd.honeycomb.v3po.translate.read.ChildReader; +import io.fd.honeycomb.v3po.translate.util.KeepaliveReaderWrapper; import io.fd.honeycomb.v3po.translate.util.RWUtils; import io.fd.honeycomb.v3po.translate.util.read.CloseableReader; import io.fd.honeycomb.v3po.translate.util.read.ReflexiveChildReaderCustomizer; import io.fd.honeycomb.v3po.translate.util.read.ReflexiveRootReaderCustomizer; +import io.fd.honeycomb.v3po.translate.v3po.util.ReadTimeoutException; import io.fd.honeycomb.v3po.translate.v3po.vppstate.BridgeDomainCustomizer; import io.fd.honeycomb.v3po.translate.v3po.vppstate.VersionCustomizer; +import java.lang.management.ManagementFactory; import java.util.ArrayList; import java.util.List; +import javax.management.Attribute; +import javax.management.InstanceNotFoundException; +import javax.management.ObjectName; +import org.opendaylight.controller.config.api.ConflictingVersionException; +import org.opendaylight.controller.config.api.ValidationException; +import org.opendaylight.controller.config.util.ConfigRegistryJMXClient; +import org.opendaylight.controller.config.util.ConfigTransactionJMXClient; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.vpp.jvpp.cfg.rev160406.VppJvppImplModule; +import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.vpp.jvpp.cfg.rev160406.VppJvppImplModuleFactory; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VppState; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VppStateBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.BridgeDomains; @@ -22,8 +34,13 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.bridge.domains.BridgeDomainKey; import org.opendaylight.yangtools.yang.binding.ChildOf; import org.openvpp.jvpp.future.FutureJVpp; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; public class VppStateHoneycombReaderModule extends org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.v3po2vpp.rev160406.AbstractVppStateHoneycombReaderModule { + + private static final Logger LOG = LoggerFactory.getLogger(VppStateHoneycombReaderModule.class); + public VppStateHoneycombReaderModule(org.opendaylight.controller.config.api.ModuleIdentifier identifier, org.opendaylight.controller.config.api.DependencyResolver dependencyResolver) { super(identifier, dependencyResolver); } @@ -41,7 +58,13 @@ public class VppStateHoneycombReaderModule extends org.opendaylight.yang.gen.v1. public java.lang.AutoCloseable createInstance() { final FutureJVpp vppApi = getVppJvppDependency(); - final ChildReader<Version> versionReader = new CompositeChildReader<>(Version.class, new VersionCustomizer(vppApi)); + ChildReader<Version> versionReader = new CompositeChildReader<>(Version.class, new VersionCustomizer(vppApi)); + // Wrap with keepalive reader to detect connection issues + // TODO keepalive reader wrapper relies on VersionReaderCustomizer (to perform timeout on reads) + // Once readers+customizers are asynchronous, pull the timeout to keepalive executor so that keepalive wrapper + // is truly generic + versionReader = new KeepaliveReaderWrapper<>(versionReader, getKeepaliveExecutorDependency().getExecutor(), + ReadTimeoutException.class, 30, () -> reinitializeJVpp(reinitializationCounter)); final CompositeListReader<BridgeDomain, BridgeDomainKey, BridgeDomainBuilder> bridgeDomainReader = new CompositeListReader<>(BridgeDomain.class, new BridgeDomainCustomizer(vppApi, @@ -62,4 +85,56 @@ public class VppStateHoneycombReaderModule extends org.opendaylight.yang.gen.v1. RWUtils.emptyAugReaderList(), new ReflexiveRootReaderCustomizer<>(VppStateBuilder.class))); } + + private static long reinitializationCounter; + private static final long reinitializationLimit = 10; + + /** + * In case we detect connection issues with VPP, reinitialize JVpp + */ + private void reinitializeJVpp(final long currentAttempt) { + // FIXME https://jira.fd.io/browse/HONEYCOMB-78 This code correctly re-initializes all the components + // starting with jvpp, but jvpp reconnect fails. Test in a JVpp test and then from C + LOG.info("Reinitializing JVpp, attempt: {}", currentAttempt); + + final long nextAttempt = currentAttempt + 1; + if (nextAttempt - reinitializationCounter > reinitializationLimit) { + LOG.error("Too many JVpp reinitialization attempts. Unable to reinitialize JVpp in {} attempts. Giving up", + reinitializationLimit); + throw new IllegalStateException("Too many JVpp reinitialization attempts. Unable to reinitialize JVpp in " + + reinitializationLimit + " attempts. Giving up"); + } + + final ConfigRegistryJMXClient cfgRegistryClient = + ConfigRegistryJMXClient.createWithoutNotifications(ManagementFactory.getPlatformMBeanServer()); + + final ObjectName objectName = cfgRegistryClient.beginConfig(); + final ConfigTransactionJMXClient txClient = cfgRegistryClient.getConfigTransactionClient(objectName); + + final ObjectName jvppOn; + try { + final String attributeName = VppJvppImplModule.descriptionJmxAttribute.getAttributeName(); + final String factoryName = VppJvppImplModuleFactory.NAME; + jvppOn = txClient.lookupConfigBean(factoryName, "vpp-jvpp"); + + // Change configuration attribute of JVpp to trigger full reinitialization here using config subsystem + // TODO improve this when switching from karaf in planned minimal distribution + txClient.setAttribute(jvppOn, attributeName, new Attribute(attributeName, + Long.toString(nextAttempt))); + + txClient.validateConfig(); + cfgRegistryClient.commitConfig(txClient.getObjectName()); + LOG.info("JVpp reinitialized successfully"); + } catch (InstanceNotFoundException | ValidationException e) { + LOG.error("Unable to reinitialize JVpp. Honeycomb will not work properly from now on.", e); + throw new IllegalStateException("Unable to find jvpp instance in config subsystem. " + + "Unable to reinitialize JVpp", e); + } catch (ConflictingVersionException e) { + LOG.debug("Conflict changes occurred, retrying", e); + // Just retry until there's no conflicting change in progress + reinitializeJVpp(nextAttempt); + } + + reinitializationCounter = nextAttempt; + } } diff --git a/v3po/v3po2vpp/src/main/yang/v3po2vpp.yang b/v3po/v3po2vpp/src/main/yang/v3po2vpp.yang index f706ec60d..5ccac8e94 100644 --- a/v3po/v3po2vpp/src/main/yang/v3po2vpp.yang +++ b/v3po/v3po2vpp/src/main/yang/v3po2vpp.yang @@ -9,6 +9,7 @@ module v3po2vpp { import vpp-cfg-init { prefix init; revision-date "2016-04-07"; } import opendaylight-md-sal-binding { prefix md-sal-binding; revision-date 2013-10-28;} import vpp-util { prefix vpp-u; revision-date 2016-04-06; } + import threadpool {prefix th;} description "This module contains reads and writers for v3po yang model"; @@ -53,6 +54,17 @@ module v3po2vpp { } } } + + container keepalive-executor { + uses config:service-ref { + refine type { + mandatory true; + config:required-identity th:scheduled-threadpool; + } + } + + description "Used to schedule keepalives"; + } } } |