Module: Preconditions

Defined in:
lib/docker-sync/preconditions.rb

Class Method Summary collapse

Class Method Details

.check_all_preconditions ⇒ Object 



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# File 'lib/docker-sync/preconditions.rb', line 4

def self.check_all_preconditions
  docker_available
  docker_running
  fswatch_available
end

.docker_available ⇒ Object 



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# File 'lib/docker-sync/preconditions.rb', line 10

def self.docker_available
  if (find_executable0 'docker').nil?
    raise('Could not find docker binary in path. Please install it, e.g. using "brew install docker" or install docker-for-mac')
  end
end

.docker_running ⇒ Object 



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# File 'lib/docker-sync/preconditions.rb', line 16

def self.docker_running
  `docker ps`
  if $?.exitstatus > 0
    raise('No docker daemon seems to be running. Did you start your docker-for-mac / docker-machine?')
  end
end

.docker_sync_available ⇒ Object 



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# File 'lib/docker-sync/preconditions.rb', line 29

def self.docker_sync_available
  if (find_executable0 'docker-sync').nil?
    raise('No docker-sync available. Install it by "gem install docker-sync"')
  end
end

.fswatch_available ⇒ Object 



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# File 'lib/docker-sync/preconditions.rb', line 23

def self.fswatch_available
  if (find_executable0 'fswatch').nil?
    raise('No fswatch available. Install it by "brew install fswatch"')
  end
end

.rsync_available ⇒ Object 



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# File 'lib/docker-sync/preconditions.rb', line 35

def self.rsync_available
  if (find_executable0 'rsync').nil?
    raise('Could not find rsync binary in path. Please install it, e.g. using "brew install rsync"')
  end
end

.unison_available ⇒ Object 



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# File 'lib/docker-sync/preconditions.rb', line 41

def self.unison_available
  if (find_executable0 'unison').nil?
    raise('Could not find unison binary in path. Please install it, e.g. using "brew install unison"')
  end
end