# frozen_string_literal: true
desc “SSH connection with server. If many servers are defined, you can pass a hostname part as argument: cap ssh” task :ssh, :hostname do |_task, args|
server = roles(:app).select do |s| args[:hostname].nil? || (!args[:hostname].nil? && s.hostname.include?(args[:hostname])) end on server do |host| run_locally do run_in host, "" end end
end
desc “Opens a remote Rails console” task :c do
on roles(:app) do |host| run_locally do run_in host, "cd #{current_path} && RAILS_ENV=#{fetch(:stage)} bundle exec rails c" end end
end
desc “Opens a remote Database console” task :dbconsole do
on roles(:app) do |host| run_locally do run_in host, "cd #{current_path} && RAILS_ENV=#{fetch(:stage)} bundle exec rails dbconsole --include-password" end end
end
desc “Tails the environment log or the log passed as argument: cap log_tail” task :log_tail, :file do |_task, args|
on roles(:app) do file = args[:file] || "*" execute "tail -f #{current_path}/log/#{file} | grep -vE \"(^\s*$|asset|Render)\"" end
end
desc “Search for a pattern in logs” task :log_pattern, :pattern do |_task, args|
on roles(:app) do execute "cat #{current_path}/log/* | grep -A 10 -B 5 '#{args[:pattern]}'" end
end
desc “Runs a command in server: cap production x[‘free -m’]” task :x, :command do |_task, args|
on roles(:app) do |host| run_locally do run_in host, args[:command] end end
end
desc “Executes a rake task in server. i.e.: cap staging rake” task :rake, :remote_task do |_task, args|
on roles(:app) do within release_path do with rails_env: fetch(:stage) do execute :rake, args[:remote_task].to_s end end end
end
desc “Uploads a file to /tmp folder. i.e.: cap staging upload” task :upload, :file_path do |_task, args|
on roles(:app) do |host| run_locally do upload_scp host, args[:file_path] end end
end
desc “Downloads a file. i.e.: cap staging download” task :download, :file_path do |_task, args|
on roles(:app) do |host| run_locally do download_scp host, args[:file_path] end end
end
def run_in(host, remote_cmd)
cmd = %w[ssh] opts = fetch(:ssh_options) cmd << "-oProxyCommand='#{opts[:proxy].command_line_template}'" if opts cmd << "#{host.user}@#{host.hostname}" cmd << "-p #{host.port || "22"}" cmd << "-tt '#{remote_cmd}'" command = cmd.join(" ") Rails.logger.info command exec command
end
def upload_scp(host, file_path)
cmd = %w[scp] opts = fetch(:ssh_options) cmd << "-r -o StrictHostKeyChecking=no" cmd << "-oProxyCommand='#{opts[:proxy].command_line_template}'" if opts cmd << file_path cmd << "#{host.user}@#{host.hostname}:/tmp" command = cmd.join(" ") Rails.logger.info command exec command
end
def download_scp(host, file_path)
cmd = %w[scp] opts = fetch(:ssh_options) cmd << "-oProxyCommand='#{opts[:proxy].command_line_template}'" if opts cmd << "#{host.user}@#{host.hostname}:#{file_path}" cmd << "." command = cmd.join(" ") Rails.logger.info command exec command
end