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Last pushed: 9 days ago
Short Description
Dtk Arbiter is small process meant to be distributed on remote nodes.
Full Description

Dtk Arbiter

Description

Dtk Arbiter is ruby process which uses EventMachine for continus running. It can be run either in foreground or using the provided init scripts.

Dtk Arbiter is small process meant to be distributed on remote nodes to provide communication via STOMP. It aggregates and communicates with master nodes and it is easily extendable. It commes with parallel worker execution and strong SSH based message encryption. It has been developed to replace Mcollective functionality with its much simplfied and efficient design.

Requirements
  • Ruby 2.0.0+
  • Unix
Ruby

Make sure that Bundler gem is installed.

gem install bundler

Setup

Arbiter

After cloning project from github make sure you run following command

bundle install
Configuration

Arbiter will look for a configuration located at /etc/dtk/arbiter.cfg. Example of the config file: arbiter.cfg.example

####Development

Environment

Arbiter uses dotenv gem to setup environment in development mode. File named .env has not been commited due to obvious security implications. Following are environment variables needed to start Dtk Arbiter.

STOMP_HOST=
STOMP_PORT=
STOMP_USERNAME=
STOMP_PASSWORD=
INBOX_TOPIC=/topic/arbiter.dtk
OUTBOX_QUEUE=/queue/arbiter.reply

This would be template for .env file needed in Dtk Arbiter folder.

If available, it can also read the MCollective server configuration file (/etc/mcollective/server.cfg).

Run

From dtk-arbiter folder run command:

ruby start.rb [--development]

Docker

Arbiter can also be started as a docker container:

docker run --name dtk-arbiter \
           -v /usr/share/dtk:/host_volume \ 
           -v /var/run/docker.sock:/var/run/docker.sock \
           -e HOST_VOLUME=/usr/share/dtk/ \
           -td getdtk/dtk-arbiter

Full list of environment variables that can be passed to the arbiter container:

STOMP_USERNAME
STOMP_PASSWORD
STOMP_PORT
GIT_PORT
GIT_USERNAME
PBUILDERID
PRIVATE_KEY_NAME
LOG_LEVEL
DEVELOPMENT_MODE
Docker Pull Command
Owner
getdtk
Source Repository

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