No release in over a year
Aws::Sqs background tasks for tomo
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 Dependencies

Runtime

~> 1.0
 Project Readme

tomo-plugin-aws_sqs

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This is a tomo plugin that provides tasks for managing aws_sqs via systemd, based on the recommendations in the aws_sqs documentation. This plugin assumes that you are also using the tomo rbenv and env plugins, and that you are using a systemd-based Linux distribution like Ubuntu 18 LTS.


  • Installation
  • Settings
  • Tasks
  • Support
  • License
  • Code of conduct
  • Contribution guide

Installation

Run:

$ gem install tomo-plugin-aws_sqs

Or add it to your Gemfile:

gem "tomo-plugin-aws_sqs"

Then add the following to .tomo/config.rb:

plugin "aws_sqs"

setup do
  # ...
  run "aws_sqs:setup_systemd"
end

deploy do
  # ...
  # Place this task at *after* core:symlink_current
  run "aws_sqs:restart"
end

enable-linger

This plugin installs aws_sqs as a user-level service using systemctl --user. This allows aws_sqs to be installed, started, stopped, and restarted without a root user or sudo. However, when provisioning the host you must make sure to run the following command as root to allow the aws_sqs process to continue running even after the tomo deploy user disconnects:

# run as root
$ loginctl enable-linger <DEPLOY_USER>

Settings

Name Purpose
aws_sqs_systemd_service Name of the systemd unit that will be used to manage good*job
Default: "aws_sqs*%{application}.service"
aws_sqs_systemd_service_path Location where the systemd unit will be installed
Default: ".config/systemd/user/%{aws_sqs_systemd_service}"
aws_sqs_systemd_command Command to run
Default: "bundle exec aws_sqs_active_job --queue default"
aws_sqs_systemd_service_template_path Local path to the ERB template that will be used to create the systemd unit
Default: service.erb

Tasks

aws_sqs:setup_systemd

Configures systemd to manage aws_sqs. This means that aws_sqs will automatically be restarted if it crashes, or if the host is rebooted. This task essentially does two things:

  1. Installs a aws_sqs.service systemd unit
  2. Enables it using systemctl --user enable

Note that these units will be installed and run for the deploy user. You can use :aws_sqs_systemd_service_template_path to provide your own template and customize how aws_sqs and systemd are configured.

aws_sqs:setup_systemd is intended for use as a setup task. It must be run before aws_sqs can be started during a deploy.

aws_sqs:restart

Gracefully restarts the aws_sqs service via systemd, or starts it if it isn't running already. Equivalent to:

systemctl --user restart aws_sqs.service

aws_sqs:start

Starts the aws_sqs service via systemd, if it isn't running already. Equivalent to:

systemctl --user start aws_sqs.service

aws_sqs:stop

Stops the aws_sqs service via systemd. Equivalent to:

systemctl --user stop aws_sqs.service

aws_sqs:status

Prints the status of the aws_sqs systemd service. Equivalent to:

systemctl --user status aws_sqs.service

aws_sqs:log

Uses journalctl (part of systemd) to view the log output of the aws_sqs service. This task is intended for use as a run task and accepts command-line arguments. The arguments are passed through to the journalctl command. For example:

$ tomo run -- aws_sqs:log -f

Will run this remote script:

journalctl -q --user-unit=aws_sqs.service -f

Support

If you want to report a bug, or have ideas, feedback or questions about the gem, let me know via GitHub issues and I will do my best to provide a helpful answer. Happy hacking!

License

The gem is available as open source under the terms of the MIT License.

Most of the code is taken from https://github.com/mattbrictson/tomo-plugin-sidekiq

Code of conduct

Everyone interacting in this project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.

Contribution guide

Pull requests are welcome! Thanks @mattbrictson for Tomo 🙏