BUG-6650: ep-ip/sgt, rename groupbasedpolicy-ise-adapter to sxp-ise-adapter
[groupbasedpolicy.git] / sxp-integration / sxp-ise-adapter / src / main / java / org / opendaylight / groupbasedpolicy / sxp_ise_adapter / impl / GbpIseConfigListenerImpl.java
diff --git a/sxp-integration/sxp-ise-adapter/src/main/java/org/opendaylight/groupbasedpolicy/sxp_ise_adapter/impl/GbpIseConfigListenerImpl.java b/sxp-integration/sxp-ise-adapter/src/main/java/org/opendaylight/groupbasedpolicy/sxp_ise_adapter/impl/GbpIseConfigListenerImpl.java
new file mode 100644 (file)
index 0000000..69c1f8d
--- /dev/null
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.groupbasedpolicy.sxp_ise_adapter.impl;
+
+import com.google.common.util.concurrent.CheckedFuture;
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.ThreadFactoryBuilder;
+import java.text.SimpleDateFormat;
+import java.util.Collection;
+import java.util.Date;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
+import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DateAndTime;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.groupbasedpolicy.gbp.sxp.ise.adapter.model.rev160630.GbpSxpIseAdapter;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.groupbasedpolicy.gbp.sxp.ise.adapter.model.rev160630.gbp.sxp.ise.adapter.IseSourceConfig;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.groupbasedpolicy.gbp.sxp.ise.adapter.model.rev160630.gbp.sxp.ise.adapter.IseHarvestStatus;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.groupbasedpolicy.gbp.sxp.ise.adapter.model.rev160630.gbp.sxp.ise.adapter.IseHarvestStatusBuilder;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Purpose: listen for harvest configuration and trigger harvesting
+ */
+public class GbpIseConfigListenerImpl implements GbpIseConfigListener {
+
+    private static final Logger LOG = LoggerFactory.getLogger(GbpIseConfigListenerImpl.class);
+
+    private static final String DATE_AND_TIME_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSSXXX";
+
+    private final DataBroker dataBroker;
+    private final GbpIseSgtHarvester gbpIseSgtHarvester;
+    private final ThreadPoolExecutor pool;
+
+    public GbpIseConfigListenerImpl(@Nonnull final DataBroker dataBroker, @Nonnull final GbpIseSgtHarvester gbpIseSgtHarvester) {
+        this.dataBroker = dataBroker;
+        this.gbpIseSgtHarvester = gbpIseSgtHarvester;
+        pool = new ThreadPoolExecutor(1, 1, 0, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<>(10),
+                new ThreadFactoryBuilder().setNameFormat("ise-sgt-harverster-%d").build()) {
+            @Override
+            protected void afterExecute(final Runnable r, final Throwable t) {
+                super.afterExecute(r, t);
+                if (t != null) {
+                    LOG.warn("ise harvest task failed", t);
+                }
+            }
+        };
+    }
+
+    @Override
+    public void onDataTreeChanged(@Nonnull final Collection<DataTreeModification<IseSourceConfig>> collection) {
+        for (DataTreeModification<IseSourceConfig> modification : collection) {
+            final IseSourceConfig iseSourceConfig = modification.getRootNode().getDataAfter();
+            if (iseSourceConfig != null) {
+                pool.submit(() -> {
+                    final ListenableFuture<Integer> harvestResult = gbpIseSgtHarvester.harvest(iseSourceConfig);
+                    Futures.addCallback(harvestResult, new FutureCallback<Integer>() {
+                        @Override
+                        public void onSuccess(@Nullable final Integer result) {
+                            LOG.debug("ise harvest finished, outcome: {}", result);
+                            storeOutcome(true, result.intValue(), null);
+                        }
+
+                        @Override
+                        public void onFailure(final Throwable t) {
+                            LOG.debug("ise harvest failed", t);
+                            storeOutcome(false, 0, t.getMessage());
+                        }
+                    });
+
+                    try {
+                        harvestResult.get(30, TimeUnit.SECONDS);
+                    } catch (InterruptedException | ExecutionException | TimeoutException e) {
+                        LOG.debug("failed to finish ise-sgt-harvest task properly on time", e);
+                    }
+                });
+            }
+        }
+    }
+
+    private CheckedFuture<Void, TransactionCommitFailedException> storeOutcome(final boolean succeeded, final int counter, final String reason) {
+        final WriteTransaction wTx = dataBroker.newWriteOnlyTransaction();
+        final InstanceIdentifier<IseHarvestStatus> harvestStatusPath = InstanceIdentifier.create(GbpSxpIseAdapter.class)
+                .child(IseHarvestStatus.class);
+        final IseHarvestStatus harvestStatus = new IseHarvestStatusBuilder()
+                .setReason(reason)
+                .setSuccess(succeeded)
+                .setTemplatesWritten(counter)
+                .setTimestamp(createDateTime(new Date()))
+                .build();
+        wTx.put(LogicalDatastoreType.OPERATIONAL, harvestStatusPath, harvestStatus, true);
+        return wTx.submit();
+    }
+
+    private static DateAndTime createDateTime(Date when) {
+        final SimpleDateFormat simpleDateFormat = new SimpleDateFormat(DATE_AND_TIME_FORMAT);
+        return new DateAndTime(simpleDateFormat.format(when));
+    }
+
+    @Override
+    public void close() throws Exception {
+        if (!pool.isTerminated()) {
+            pool.shutdown();
+            final boolean terminated = pool.awaitTermination(10, TimeUnit.SECONDS);
+            if (! terminated) {
+                pool.shutdownNow();
+            }
+        }
+    }
+}