Class: Kamal::Cli::Server

Inherits:
Base
  • Object
show all
Defined in:
lib/kamal/cli/server.rb

Instance Method Summary collapse

Methods inherited from Base

exit_on_failure?, #initialize

Constructor Details

This class inherits a constructor from Kamal::Cli::Base

Instance Method Details

#bootstrap ⇒ Object 



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# File 'lib/kamal/cli/server.rb', line 25

def bootstrap
  with_lock do
    missing = []

    on(KAMAL.hosts | KAMAL.accessory_hosts) do |host|
      unless execute(*KAMAL.docker.installed?, raise_on_non_zero_exit: false)
        if execute(*KAMAL.docker.superuser?, raise_on_non_zero_exit: false)
          info "Missing Docker on #{host}. Installing…"
          execute *KAMAL.docker.install
        else
          missing << host
        end
      end

      execute(*KAMAL.server.ensure_run_directory)
    end

    if missing.any?
      raise "Docker is not installed on #{missing.join(", ")} and can't be automatically installed without having root access and either `wget` or `curl`. Install Docker manually: https://docs.docker.com/engine/install/"
    end

    run_hook "docker-setup"
  end
end

#exec(cmd) ⇒ Object 



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# File 'lib/kamal/cli/server.rb', line 4

def exec(cmd)
  hosts = KAMAL.hosts | KAMAL.accessory_hosts

  case
  when options[:interactive]
    host = KAMAL.primary_host

    say "Running '#{cmd}' on #{host} interactively...", :magenta

    run_locally { exec KAMAL.server.run_over_ssh(cmd, host: host) }
  else
    say "Running '#{cmd}' on #{hosts.join(', ')}...", :magenta

    on(hosts) do |host|
      execute *KAMAL.auditor.record("Executed cmd '#{cmd}' on #{host}"), verbosity: :debug
      puts_by_host host, capture_with_info(cmd)
    end
  end
end