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Amazon Redshift output plugin for Fluentd
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README.md

Amazon Redshift output plugin for Fluentd

Overview

Amazon Redshift output plugin uploads event logs to an Amazon Redshift Cluster. Supportted data formats are csv, tsv and json. An S3 bucket and a Redshift Cluster are required to use this plugin.

Installation

gem install fluent-plugin-redshift

Configuration

Format:

<match my.tag>
    type redshift

    # s3 (for copying data to redshift)
    aws_key_id YOUR_AWS_KEY_ID
    aws_sec_key YOUR_AWS_SECRET_KEY
    s3_bucket YOUR_S3_BUCKET
    s3_endpoint YOUR_S3_BUCKET_END_POINT
    path YOUR_S3_PATH
    timestamp_key_format year=%Y/month=%m/day=%d/hour=%H/%Y%m%d-%H%M

    # redshift
    redshift_host YOUR_AMAZON_REDSHIFT_CLUSTER_END_POINT
    redshift_port YOUR_AMAZON_REDSHIFT_CLUSTER_PORT
    redshift_dbname YOUR_AMAZON_REDSHIFT_CLUSTER_DATABASE_NAME
    redshift_user YOUR_AMAZON_REDSHIFT_CLUSTER_USER_NAME
    redshift_password YOUR_AMAZON_REDSHIFT_CLUSTER_PASSWORD
    redshift_schemaname YOUR_AMAZON_REDSHIFT_CLUSTER_TARGET_SCHEMA_NAME
    redshift_tablename YOUR_AMAZON_REDSHIFT_CLUSTER_TARGET_TABLE_NAME
    make_auto_table 1 # 1 => make table auto 0 => no
    tag_table 1 # 1=> tag_name = table_name, 0 => no, use redshift_atablename
    file_type [tsv|csv|json|msgpack]
    varchar_length ALL_COLUMNS_VARCHAR_LENGTH


    # buffer
    buffer_type file
    buffer_path /var/log/fluent/redshift
    flush_interval 15m
    buffer_chunk_limit 1g
</match>

Example (watch and upload json formatted apache log):

<source>
    type tail
    path redshift_test.json
    pos_file redshift_test_json.pos
    tag redshift.json
    format /^(?<log>.*)$/
</source>

<match redshift.json>
    type redshift

    # s3 (for copying data to redshift)
    aws_key_id YOUR_AWS_KEY_ID
    aws_sec_key YOUR_AWS_SECRET_KEY
    s3_bucket hapyrus-example
    s3_endpoint s3.amazonaws.com
    path path/on/s3/apache_json_log/
    timestamp_key_format year=%Y/month=%m/day=%d/hour=%H/%Y%m%d-%H%M

    # redshift
    redshift_host xxx-yyy-zzz.xxxxxxxxxx.us-east-1.redshift.amazonaws.com
    redshift_port 5439
    redshift_dbname fluent-redshift-test
    redshift_user fluent
    redshift_password fluent-password
    redshift_tablename apache_log
    file_type json

    # buffer
    buffer_type file
    buffer_path /var/log/fluent/redshift
    flush_interval 15m
    buffer_chunk_limit 1g
<match>
  • type (required) : The value must be redshift.

  • aws_key_id (required) : AWS access key id to access s3 bucket.

  • aws_sec_key (required) : AWS securet key id to access s3 bucket.

  • s3_bucket (required) : s3 bucket name. S3 bucket must be same as the region of your Redshift cluster.

  • s3_endpoint : s3 endpoint.

  • path (required) : s3 path to input.

  • timestamp_key_format : The format of the object keys. It can include date-format directives.

    • Default parameter is "year=%Y/month=%m/day=%d/hour=%H/%Y%m%d-%H%M"
    • For example, the s3 path is as following with the above example configration.

    hapyrus-example/apache_json_log/year=2013/month=03/day=05/hour=12/20130305_1215_00.gz hapyrus-example/apache_json_log/year=2013/month=03/day=05/hour=12/20130305_1230_00.gz

  • redshift_host (required) : the end point(or hostname) of your Amazon Redshift cluster.

  • redshift_port (required) : port number.

  • redshift_dbname (required) : database name.

  • redshift_user (required) : user name.

  • redshift_password (required) : password for the user name.

  • redshift_tablename (required) : table name to store data.

  • redshift_schemaname : schema name to store data. By default, this option is not set and find table without schema as your own search_path.

  • make_auto_table (optional, integer) : whether make tables automatically. If you set 1, this makes tables automatically else if you set 0, doesn't make.

  • tag_table (optional, integer) : whether table_name equals tag_name. If you set 1, it shows tag_name equals table_name, else if you set 0, it's not.

  • file_type : file format of the source data. csv, tsv, msgpack or json are available.

  • delimiter : delimiter of the source data. This option will be ignored if file_type is specified.

  • buffer_type : buffer type.

  • buffer_path : path prefix of the files to buffer logs.

  • flush_interval : flush interval.

  • buffer_chunk_limit : limit buffer size to chunk.

  • utc : utc time zone. This parameter affects timestamp_key_format.

Logging examples

# examples by fluent-logger
require 'fluent-logger'
log = Fluent::Logger::FluentLogger.new(nil, :host => 'localhost', :port => 24224)

# file_type: csv
log.post('your.tag', :log => "12345,12345")

# file_type: tsv
log.post('your.tag', :log => "12345\t12345")

# file_type: json
require 'json'
log.post('your.tag', :log => { :user_id => 12345, :data_id => 12345 }.to_json)

# file_type: msgpack
log.post('your.tag', :user_id => 12345, :data_id => 12345)

License

Copyright (c) 2013 Hapyrus Inc

Apache License, Version 2.0

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