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docker-riak

This repository contains a Dockerfile that will build Riak into a Ubuntu 16.04 Xenial image, starting a Riak server.

Building

To build the Docker image, run make (or make docker). The build can take some time, as it involves building both Erlang and Riak from source.

You can alter the resulting image with the following Makefile variables:

Variable Default Description
DOCKER docker The Docker executable. Can set to img or another CLI-compatible tool.
DOCKER_REGISTRY index.docker.io/kochava The registry to target.
DOCKER_IMAGE riak The image repository.
DOCKER_TAG latest The image tag.

Starting Riak

To start Riak, you can create a simple container with docker run:

# Create a network:
$ docker network create riak

# Start node riak-1:
$ docker run --detach --network riak --env RIAK_NODENAME=riak@riak-1. --name riak-1 kochava/riak

To then start a second node and join it to the cluster, you would do the following:

# Start node riak-2:
$ docker run --detach --network riak --env RIAK_NODENAME=riak@riak-2. --name riak-2 kochava/riak

# Join the cluster:
$ docker exec -it riak-2 riak-admin cluster join riak@riak-1.

# Check the cluster plan:
$ docker exec -it riak-2 riak-admin cluster plan

# Commit the cluster plan:
$ docker exec -it riak-2 riak-admin cluster commit

# Check riak-1's memberships:
$ docker exec -it riak-1 riak-admin status | grep ring_members
ring_members : ['riak@riak-1.','riak@riak-2.']

Configuration

riak.conf

The riak.conf can be modified in two ways:

  1. Mount a riak.conf as /usr/local/riak/etc/riak.conf.

  2. Set RIAK_ environment variables, which will be appended to the riak.conf in the container. If you've mounted a riak.conf into the container, avoid using RIAK_ variables, since this could modify the file that was mounted.

    The variables and the config key they correspond to are listed in a table below.

advanced.conf

If modifying advanced.conf, you must mount it into the container or build a derived image from it. There is currently no option to configure its options via environment variables.

Cluster Operations

Riak's bin dir is in the container's PATH. You can run riak-admin, riak, and other commands using docker exec. Note that running riak stop will stop Riak, but that runsv will start it afterward.

Stopping the Container

Because the container uses runsv, if you start it in interactive mode, a Ctrl-C will send an interrupt signal to runsv, which will diligently send it to Riak.

Instead, you need to either send a terminate signal to runsv or use docker stop $CONTAINER (which will send a terminate signal for you). You can also use docker exec $CONTAINER sv x, which will also instruct runsv to exit.

RIAK_* Environment Variables

The following environment variables, if set, will modify riak.conf by setting the associated riak.conf field to its value. Exercise caution when using this with bind-mounted riak.conf files, as it will append lines to the file.

Environment Variable riak.conf Field
RIAK_AF1_WORKER_POOL_SIZE af1_worker_pool_size
RIAK_AF2_WORKER_POOL_SIZE af2_worker_pool_size
RIAK_AF3_WORKER_POOL_SIZE af3_worker_pool_size
RIAK_AF4_WORKER_POOL_SIZE af4_worker_pool_size
RIAK_ANTI_ENTROPY anti_entropy
RIAK_BACKEND_PAUSE_MS backend_pause_ms
RIAK_BE_WORKER_POOL_SIZE be_worker_pool_size
RIAK_BITCASK_DATA_ROOT bitcask.data_root
RIAK_BITCASK_IO_MODE bitcask.io_mode
RIAK_CLUSTER_JOB_RIAK_KV_LIST_BUCKETS cluster.job.riak_kv.list_buckets
RIAK_CLUSTER_JOB_RIAK_KV_LIST_KEYS cluster.job.riak_kv.list_keys
RIAK_CLUSTER_JOB_RIAK_KV_MAP_REDUCE cluster.job.riak_kv.map_reduce
RIAK_CLUSTER_JOB_RIAK_KV_MAP_REDUCE_JS cluster.job.riak_kv.map_reduce_js
RIAK_CLUSTER_JOB_RIAK_KV_SECONDARY_INDEX cluster.job.riak_kv.secondary_index
RIAK_CLUSTER_JOB_RIAK_KV_STREAM_LIST_BUCKETS cluster.job.riak_kv.stream_list_buckets
RIAK_CLUSTER_JOB_RIAK_KV_STREAM_LIST_KEYS cluster.job.riak_kv.stream_list_keys
RIAK_CLUSTER_JOB_RIAK_KV_STREAM_SECONDARY_INDEX cluster.job.riak_kv.stream_secondary_index
RIAK_CLUSTER_JOB_YOKOZUNA_QUERY cluster.job.yokozuna.query
RIAK_CS_VERSION cs_version
RIAK_DISTRIBUTED_COOKIE distributed_cookie
RIAK_DTRACE dtrace
RIAK_ERLANG_ASYNC_THREADS erlang.async_threads
RIAK_ERLANG_ASYNC_THREADS_STACK_SIZE erlang.async_threads.stack_size
RIAK_ERLANG_CRASH_DUMP erlang.crash_dump
RIAK_ERLANG_DISTRIBUTION_BUFFER_SIZE erlang.distribution_buffer_size
RIAK_ERLANG_DISTRIBUTION_NET_TICKTIME erlang.distribution.net_ticktime
RIAK_ERLANG_DISTRIBUTION_PORT_RANGE_MAXIMUM erlang.distribution.port_range.maximum
RIAK_ERLANG_DISTRIBUTION_PORT_RANGE_MINIMUM erlang.distribution.port_range.minimum
RIAK_ERLANG_FULLSWEEP_AFTER erlang.fullsweep_after
RIAK_ERLANG_K erlang.K
RIAK_ERLANG_MAX_ETS_TABLES erlang.max_ets_tables
RIAK_ERLANG_MAX_PORTS erlang.max_ports
RIAK_ERLANG_PROCESS_LIMIT erlang.process_limit
RIAK_ERLANG_SCHEDULERS_COMPACTION_OF_LOAD erlang.schedulers.compaction_of_load
RIAK_ERLANG_SCHEDULERS_FORCE_WAKEUP_INTERVAL erlang.schedulers.force_wakeup_interval
RIAK_ERLANG_SCHEDULERS_ONLINE erlang.schedulers.online
RIAK_ERLANG_SCHEDULERS_TOTAL erlang.schedulers.total
RIAK_ERLANG_SCHEDULERS_UTILIZATION_BALANCING erlang.schedulers.utilization_balancing
RIAK_ERLANG_SMP erlang.smp
RIAK_ERLANG_W erlang.W
RIAK_LEVELDB_COMPRESSION leveldb.compression
RIAK_LEVELDB_COMPRESSION_ALGORITHM leveldb.compression.algorithm
RIAK_LEVELDB_MAXIMUM_MEMORY_PERCENT leveldb.maximum_memory.percent
RIAK_LEVELED_COMPACTION_LOW_HOUR leveled.compaction_low_hour
RIAK_LEVELED_COMPACTION_RUNS_PERDAY leveled.compaction_runs_perday
RIAK_LEVELED_COMPACTION_TOP_HOUR leveled.compaction_top_hour
RIAK_LEVELED_COMPRESSION_METHOD leveled.compression_method
RIAK_LEVELED_COMPRESSION_POINT leveled.compression_point
RIAK_LEVELED_DATA_ROOT leveled.data_root
RIAK_LEVELED_JOURNAL_OBJECTCOUNT leveled.journal_objectcount
RIAK_LEVELED_JOURNAL_SIZE leveled.journal_size
RIAK_LEVELED_LEDGER_PAGECACHELEVEL leveled.ledger_pagecachelevel
RIAK_LEVELED_LOG_LEVEL leveled.log_level
RIAK_LEVELED_MAX_RUN_LENGTH leveled.max_run_length
RIAK_LEVELED_SYNC_STRATEGY leveled.sync_strategy
RIAK_LISTENER_HTTPS_INTERNAL listener.https.internal
RIAK_LISTENER_HTTP_INTERNAL listener.http.internal
RIAK_LISTENER_PROTOBUF_INTERNAL listener.protobuf.internal
RIAK_LOG_CONSOLE log.console
RIAK_LOG_CONSOLE_FILE log.console.file
RIAK_LOG_CONSOLE_LEVEL log.console.level
RIAK_LOG_CRASH log.crash
RIAK_LOG_CRASH_FILE log.crash.file
RIAK_LOG_CRASH_MAXIMUM_MESSAGE_SIZE log.crash.maximum_message_size
RIAK_LOG_CRASH_ROTATION log.crash.rotation
RIAK_LOG_CRASH_ROTATION_KEEP log.crash.rotation.keep
RIAK_LOG_CRASH_SIZE log.crash.size
RIAK_LOG_ERROR_FILE log.error.file
RIAK_LOG_SYSLOG log.syslog
RIAK_MULTI_BACKEND_NAME_LEVELDB_COMPRESSION multi_backend.name.leveldb.compression
RIAK_MULTI_BACKEND_NAME_LEVELDB_COMPRESSION_ALGORITHM multi_backend.name.leveldb.compression.algorithm
RIAK_MULTI_BACKEND_NAME_LEVELED_JOURNAL_OBJECTCOUNT multi_backend.name.leveled.journal_objectcount
RIAK_MULTI_BACKEND_NAME_LEVELED_JOURNAL_SIZE multi_backend.name.leveled.journal_size
RIAK_MULTI_BACKEND_NAME_LEVELED_LEDGER_PAGECACHELEVEL multi_backend.name.leveled.ledger_pagecachelevel
RIAK_NODENAME nodename
RIAK_NODE_WORKER_POOL_SIZE node_worker_pool_size
RIAK_OBJECT_FORMAT object.format
RIAK_OBJECT_SIBLINGS_MAXIMUM object.siblings.maximum
RIAK_OBJECT_SIBLINGS_WARNING_THRESHOLD object.siblings.warning_threshold
RIAK_OBJECT_SIZE_MAXIMUM object.size.maximum
RIAK_OBJECT_SIZE_WARNING_THRESHOLD object.size.warning_threshold
RIAK_PARTICIPATE_IN_COVERAGE participate_in_coverage
RIAK_PLATFORM_BIN_DIR platform_bin_dir
RIAK_PLATFORM_DATA_DIR platform_data_dir
RIAK_PLATFORM_ETC_DIR platform_etc_dir
RIAK_PLATFORM_LIB_DIR platform_lib_dir
RIAK_PLATFORM_LOG_DIR platform_log_dir
RIAK_PROTOBUF_BACKLOG protobuf.backlog
RIAK_RIAK_CONTROL riak_control
RIAK_RIAK_CONTROL_AUTH_MODE riak_control.auth.mode
RIAK_RIAK_CONTROL_AUTH_USER_ADMIN_PASSWORD riak_control.auth.user.admin.password
RIAK_RING_SIZE ring_size
RIAK_SEARCH search
RIAK_SEARCH_QUEUE_BATCH_FLUSH_INTERVAL search.queue.batch.flush_interval
RIAK_SEARCH_QUEUE_BATCH_MAXIMUM search.queue.batch.maximum
RIAK_SEARCH_QUEUE_BATCH_MINIMUM search.queue.batch.minimum
RIAK_SEARCH_QUEUE_HIGH_WATERMARK search.queue.high_watermark
RIAK_SEARCH_QUEUE_HIGH_WATERMARK_PURGE_STRATEGY search.queue.high_watermark.purge_strategy
RIAK_SEARCH_SOLR_JMX_PORT search.solr.jmx_port
RIAK_SEARCH_SOLR_JVM_OPTIONS search.solr.jvm_options
RIAK_SEARCH_SOLR_PORT search.solr.port
RIAK_SEARCH_SOLR_START_TIMEOUT search.solr.start_timeout
RIAK_SSL_CACERTFILE ssl.cacertfile
RIAK_SSL_CERTFILE ssl.certfile
RIAK_SSL_KEYFILE ssl.keyfile
RIAK_STORAGE_BACKEND storage_backend
RIAK_STRONG_CONSISTENCY strong_consistency
RIAK_TICTACAAE_ACTIVE tictacaae_active
RIAK_TICTACAAE_DATAROOT tictacaae_dataroot
RIAK_TICTACAAE_PARALLELSTORE tictacaae_parallelstore
RIAK_TICTACAAE_REBUILDDELAY tictacaae_rebuilddelay
RIAK_TICTACAAE_REBUILDWAIT tictacaae_rebuildwait
RIAK_TICTACAAE_STOREHEADS tictacaae_storeheads
RIAK_TRANSFER_LIMIT transfer_limit
RIAK_WORKER_POOL_STRATEGY worker_pool_strategy

License

All files under this repository are licensed under the Apache License Version 2.0.

Exceptions are made for riak.conf and advanced.config, which are under the same license, but are copyright 2013 Basho Technologies, Inc.

Copyright 2019 Kochava, Inc.

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.

Default Branch

As of October 1, 2020, github.com uses the branch name ‘main’ when creating the initial default branch for all new repositories. In order to minimize any customizations in our github usage and to support consistent naming conventions, we have made the decision to rename the ‘master’ branch to be called ‘main’ in all Kochava’s github repos.

For local copies of the repo, the following steps will update to the new default branch:

git branch -m master main
git fetch origin
git branch -u origin/main main
git remote set-head origin -a

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