1 files changed, 109 insertions, 0 deletions
diff --git a/framework/src/onos/cli/src/main/java/org/onosproject/cli/net/PartitionsListCommand.java b/framework/src/onos/cli/src/main/java/org/onosproject/cli/net/PartitionsListCommand.java
new file mode 100644
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+++ b/framework/src/onos/cli/src/main/java/org/onosproject/cli/net/PartitionsListCommand.java
@@ -0,0 +1,109 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.cli.net;
+
+import java.util.List;
+
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.store.service.PartitionInfo;
+import org.onosproject.store.service.StorageAdminService;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+
+/**
+ * Command to list the database partitions in the system.
+ */
+@Command(scope = "onos", name = "partitions",
+        description = "Lists information about partitions in the system")
+public class PartitionsListCommand extends AbstractShellCommand {
+
+    private static final String FMT = "%-20s %8s %25s %s";
+
+    /**
+     * Displays partition info as text.
+     *
+     * @param partitionInfo partition descriptions
+     */
+    private void displayPartitions(List<PartitionInfo> partitionInfo) {
+        print("----------------------------------------------------------");
+        print(FMT, "Name", "Term", "Members", "");
+        print("----------------------------------------------------------");
+
+        for (PartitionInfo info : partitionInfo) {
+            boolean first = true;
+            for (String member : info.members()) {
+                if (first) {
+                    print(FMT, info.name(), info.term(), member,
+                            member.equals(info.leader()) ? "*" : "");
+                    first = false;
+                } else {
+                    print(FMT, "", "", member,
+                            member.equals(info.leader()) ? "*" : "");
+                }
+            }
+            if (!first) {
+                print("----------------------------------------------------------");
+            }
+        }
+    }
+
+    /**
+     * Converts partition info into a JSON object.
+     *
+     * @param partitionInfo partition descriptions
+     */
+    private JsonNode json(List<PartitionInfo> partitionInfo) {
+        ObjectMapper mapper = new ObjectMapper();
+        ArrayNode partitions = mapper.createArrayNode();
+
+        // Create a JSON node for each partition
+        partitionInfo.stream()
+            .forEach(info -> {
+                ObjectNode partition = mapper.createObjectNode();
+
+                // Add each member to the "members" array for this partition
+                ArrayNode members = partition.putArray("members");
+                info.members()
+                        .stream()
+                        .forEach(members::add);
+
+                // Complete the partition attributes and add it to the array
+                partition.put("name", info.name())
+                         .put("term", info.term())
+                         .put("leader", info.leader());
+                partitions.add(partition);
+
+            });
+
+        return partitions;
+    }
+
+    @Override
+    protected void execute() {
+        StorageAdminService storageAdminService = get(StorageAdminService.class);
+        List<PartitionInfo> partitionInfo = storageAdminService.getPartitionInfo();
+
+        if (outputJson()) {
+            print("%s", json(partitionInfo));
+        } else {
+            displayPartitions(partitionInfo);
+        }
+    }
+}