com.googlecode.jmxtrans.model.output.InfluxDbWriterFactory.java Source code

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Here is the source code for com.googlecode.jmxtrans.model.output.InfluxDbWriterFactory.java

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/**
 * The MIT License
 * Copyright (c) 2010 JmxTrans team
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.googlecode.jmxtrans.model.output;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.googlecode.jmxtrans.model.OutputWriterFactory;
import com.googlecode.jmxtrans.model.ResultAttribute;
import com.googlecode.jmxtrans.model.output.support.ResultTransformerOutputWriter;
import org.apache.commons.lang.StringUtils;
import org.influxdb.InfluxDB;
import org.influxdb.InfluxDBFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.EnumSet;
import java.util.List;

import static com.google.common.base.MoreObjects.firstNonNull;
import static com.google.common.collect.Sets.immutableEnumSet;
import static java.lang.Boolean.TRUE;

public class InfluxDbWriterFactory implements OutputWriterFactory {

    private static final Logger LOG = LoggerFactory.getLogger(InfluxDbWriterFactory.class);

    /**
     * The deault <a href=
     * "https://influxdb.com/docs/v0.9/concepts/key_concepts.html#retention-policy">
     * The retention policy</a> for each measuremen where no retentionPolicy
     * setting is provided in the json config
     */
    private static final String DEFAULT_RETENTION_POLICY = "default";

    private final String database;
    private final InfluxDB.ConsistencyLevel writeConsistency;

    private final String retentionPolicy;
    private final InfluxDB influxDB;
    private final ImmutableSet<ResultAttribute> resultAttributesToWriteAsTags;
    private final boolean booleanAsNumber;
    private final boolean createDatabase;

    /**
     * @param url
     *            - The url e.g http://localhost:8086 to InfluxDB
     * @param username
     *            - The username for InfluxDB
     * @param password
     *            - The password for InfluxDB
     * @param database
     *            - The name of the database (created if does not exist) on
     */
    @JsonCreator
    public InfluxDbWriterFactory(@JsonProperty("typeNames") ImmutableList<String> typeNames,
            @JsonProperty("booleanAsNumber") boolean booleanAsNumber, @JsonProperty("url") String url,
            @JsonProperty("username") String username, @JsonProperty("password") String password,
            @JsonProperty("database") String database, @JsonProperty("writeConsistency") String writeConsistency,
            @JsonProperty("retentionPolicy") String retentionPolicy,
            @JsonProperty("resultTags") List<String> resultTags,
            @JsonProperty("createDatabase") Boolean createDatabase) {
        this.booleanAsNumber = booleanAsNumber;
        this.database = database;
        this.createDatabase = firstNonNull(createDatabase, TRUE);

        this.writeConsistency = StringUtils.isNotBlank(writeConsistency)
                ? InfluxDB.ConsistencyLevel.valueOf(writeConsistency)
                : InfluxDB.ConsistencyLevel.ALL;

        this.retentionPolicy = StringUtils.isNotBlank(retentionPolicy) ? retentionPolicy : DEFAULT_RETENTION_POLICY;

        this.resultAttributesToWriteAsTags = initResultAttributesToWriteAsTags(resultTags);

        LOG.debug("Connecting to url: {} as: username: {}", url, username);

        influxDB = InfluxDBFactory.connect(url, username, password);
    }

    private ImmutableSet<ResultAttribute> initResultAttributesToWriteAsTags(List<String> resultTags) {
        EnumSet<ResultAttribute> resultAttributes = EnumSet.noneOf(ResultAttribute.class);
        if (resultTags != null) {
            for (String resultTag : resultTags) {
                resultAttributes.add(ResultAttribute.fromAttribute(resultTag));
            }
        } else {
            resultAttributes = EnumSet.allOf(ResultAttribute.class);
        }

        ImmutableSet<ResultAttribute> result = immutableEnumSet(resultAttributes);
        LOG.debug("Result Tags to write set to: {}", result);
        return result;
    }

    @Override
    public ResultTransformerOutputWriter<InfluxDbWriter> create() {
        return ResultTransformerOutputWriter.booleanToNumber(booleanAsNumber, new InfluxDbWriter(influxDB, database,
                writeConsistency, retentionPolicy, resultAttributesToWriteAsTags, createDatabase));
    }
}