/*
* Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership. Crate licenses
* this file to you 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.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial agreement.
*/
package io.crate.metadata.sys;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import io.crate.analyze.WhereClause;
import io.crate.metadata.*;
import io.crate.planner.RowGranularity;
import io.crate.types.*;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.cluster.node.DiscoveryNodes;
import org.elasticsearch.common.inject.Inject;
import java.util.*;
public class SysNodesTableInfo extends SysTableInfo {
public static final TableIdent IDENT = new TableIdent(SCHEMA, "nodes");
private static final String[] PARTITIONS = new String[]{IDENT.name()};
private static final ImmutableList<ColumnIdent> primaryKey = ImmutableList.of(
new ColumnIdent("id"));
public static final Map<ColumnIdent, ReferenceInfo> INFOS = new LinkedHashMap<>();
private static final LinkedHashSet<ReferenceInfo> columns = new LinkedHashSet<>();
static {
DataType objectArrayType = new ArrayType(DataTypes.OBJECT);
register("id", DataTypes.STRING, null);
register("name", DataTypes.STRING, null);
register("hostname", DataTypes.STRING, null);
register("port", DataTypes.OBJECT, null);
register("port", DataTypes.INTEGER, ImmutableList.of("http"));
register("port", DataTypes.INTEGER, ImmutableList.of("transport"));
register("load", DataTypes.OBJECT, null);
register("load", DataTypes.DOUBLE, ImmutableList.of("1"));
register("load", DataTypes.DOUBLE, ImmutableList.of("5"));
register("load", DataTypes.DOUBLE, ImmutableList.of("15"));
register("mem", DataTypes.OBJECT, null);
register("mem", DataTypes.LONG, ImmutableList.of("free"));
register("mem", DataTypes.LONG, ImmutableList.of("used"));
register("mem", DataTypes.SHORT, ImmutableList.of("free_percent"));
register("mem", DataTypes.SHORT, ImmutableList.of("used_percent"));
register("heap", DataTypes.OBJECT, null);
register("heap", DataTypes.LONG, ImmutableList.of("free"));
register("heap", DataTypes.LONG, ImmutableList.of("used"));
register("heap", DataTypes.LONG, ImmutableList.of("max"));
register("version", DataTypes.OBJECT, null);
register("version", StringType.INSTANCE, ImmutableList.of("number"));
register("version", StringType.INSTANCE, ImmutableList.of("build_hash"));
register("version", DataTypes.BOOLEAN, ImmutableList.of("build_snapshot"));
register("thread_pools", objectArrayType, null);
register("thread_pools", StringType.INSTANCE, ImmutableList.of("name"));
register("thread_pools", IntegerType.INSTANCE, ImmutableList.of("active"));
register("thread_pools", LongType.INSTANCE, ImmutableList.of("rejected"));
register("thread_pools", IntegerType.INSTANCE, ImmutableList.of("largest"));
register("thread_pools", LongType.INSTANCE, ImmutableList.of("completed"));
register("thread_pools", IntegerType.INSTANCE, ImmutableList.of("threads"));
register("thread_pools", IntegerType.INSTANCE, ImmutableList.of("queue"));
register("network", DataTypes.OBJECT, null);
register("network", DataTypes.OBJECT, ImmutableList.of("tcp"));
register("network", DataTypes.OBJECT, ImmutableList.of("tcp", "connections"));
register("network", DataTypes.LONG, ImmutableList.of("tcp", "connections", "initiated"));
register("network", DataTypes.LONG, ImmutableList.of("tcp", "connections", "accepted"));
register("network", DataTypes.LONG, ImmutableList.of("tcp", "connections", "curr_established"));
register("network", DataTypes.LONG, ImmutableList.of("tcp", "connections", "dropped"));
register("network", DataTypes.LONG, ImmutableList.of("tcp", "connections", "embryonic_dropped"));
register("network", DataTypes.OBJECT, ImmutableList.of("tcp", "packets"));
register("network", DataTypes.LONG, ImmutableList.of("tcp", "packets", "sent"));
register("network", DataTypes.LONG, ImmutableList.of("tcp", "packets", "received"));
register("network", DataTypes.LONG, ImmutableList.of("tcp", "packets", "retransmitted"));
register("network", DataTypes.LONG, ImmutableList.of("tcp", "packets", "errors_received"));
register("network", DataTypes.LONG, ImmutableList.of("tcp", "packets", "rst_sent"));
register("os", DataTypes.OBJECT, null);
register("os", DataTypes.LONG, ImmutableList.of("uptime"));
register("os", DataTypes.TIMESTAMP, ImmutableList.of("timestamp"));
register("os", DataTypes.OBJECT, ImmutableList.of("cpu"));
register("os", DataTypes.SHORT, ImmutableList.of("cpu", "system"));
register("os", DataTypes.SHORT, ImmutableList.of("cpu", "user"));
register("os", DataTypes.SHORT, ImmutableList.of("cpu", "idle"));
register("os", DataTypes.SHORT, ImmutableList.of("cpu", "used"));
register("os", DataTypes.SHORT, ImmutableList.of("cpu", "stolen"));
register("process", DataTypes.OBJECT, null);
register("process", DataTypes.LONG, ImmutableList.of("open_file_descriptors"));
register("process", DataTypes.LONG, ImmutableList.of("max_open_file_descriptors"));
register("fs", DataTypes.OBJECT, null);
register("fs", DataTypes.OBJECT, ImmutableList.of("total"));
register("fs", DataTypes.LONG, ImmutableList.of("total", "size"));
register("fs", DataTypes.LONG, ImmutableList.of("total", "used"));
register("fs", DataTypes.LONG, ImmutableList.of("total", "available"));
register("fs", DataTypes.LONG, ImmutableList.of("total", "reads"));
register("fs", DataTypes.LONG, ImmutableList.of("total", "bytes_read"));
register("fs", DataTypes.LONG, ImmutableList.of("total", "writes"));
register("fs", DataTypes.LONG, ImmutableList.of("total", "bytes_written"));
register("fs", objectArrayType, ImmutableList.of("disks"));
register("fs", DataTypes.STRING, ImmutableList.of("disks", "dev"));
register("fs", DataTypes.LONG, ImmutableList.of("disks", "size"));
register("fs", DataTypes.LONG, ImmutableList.of("disks", "used"));
register("fs", DataTypes.LONG, ImmutableList.of("disks", "available"));
register("fs", DataTypes.LONG, ImmutableList.of("disks", "reads"));
register("fs", DataTypes.LONG, ImmutableList.of("disks", "bytes_read"));
register("fs", DataTypes.LONG, ImmutableList.of("disks", "writes"));
register("fs", DataTypes.LONG, ImmutableList.of("disks", "bytes_written"));
register("fs", objectArrayType, ImmutableList.of("data"));
register("fs", DataTypes.STRING, ImmutableList.of("data", "dev"));
register("fs", DataTypes.STRING, ImmutableList.of("data", "path"));
}
@Inject
public SysNodesTableInfo(ClusterService service, SysSchemaInfo sysSchemaInfo) {
super(service, sysSchemaInfo);
}
private static ReferenceInfo register(String column, DataType type, List<String> path) {
ReferenceInfo info = new ReferenceInfo(new ReferenceIdent(IDENT, column, path), RowGranularity.NODE, type);
if (info.ident().isColumn()) {
columns.add(info);
}
INFOS.put(info.ident().columnIdent(), info);
return info;
}
@Override
public ReferenceInfo getReferenceInfo(ColumnIdent columnIdent) {
return INFOS.get(columnIdent);
}
@Override
public Collection<ReferenceInfo> columns() {
return columns;
}
@Override
public RowGranularity rowGranularity() {
return RowGranularity.NODE;
}
@Override
public TableIdent ident() {
return IDENT;
}
@Override
public Routing getRouting(WhereClause whereClause) {
DiscoveryNodes nodes = clusterService.state().nodes();
ImmutableMap.Builder<String, Map<String, Set<Integer>>> builder = ImmutableMap.builder();
for (DiscoveryNode node : nodes) {
builder.put(node.id(), ImmutableMap.<String, Set<Integer>>of());
}
return new Routing(builder.build());
}
@Override
public List<ColumnIdent> primaryKey() {
return primaryKey;
}
@Override
public String[] concreteIndices() {
return PARTITIONS;
}
@Override
public Iterator<ReferenceInfo> iterator() {
return INFOS.values().iterator();
}
}