120 lines
4.6 KiB
Ruby
120 lines
4.6 KiB
Ruby
require "mrsk/cli/base"
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class Mrsk::Cli::App < Mrsk::Cli::Base
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desc "boot", "Boot app on servers (or start them if they've already been booted)"
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def boot
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MRSK.config.roles.each do |role|
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on(role.hosts) do |host|
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begin
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execute *MRSK.app.run(role: role.name)
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rescue SSHKit::Command::Failed => e
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if e.message =~ /already in use/
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error "Container with same version already deployed on #{host}, starting that instead"
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execute *MRSK.app.start, host: host
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else
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raise
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end
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end
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end
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end
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end
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desc "start", "Start existing app on servers (use --version=<git-hash> to designate specific version)"
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option :version, desc: "Defaults to the most recent git-hash in local repository"
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def start
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if (version = options[:version]).present?
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on(MRSK.config.hosts) { execute *MRSK.app.start(version: version) }
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else
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on(MRSK.config.hosts) { execute *MRSK.app.start, raise_on_non_zero_exit: false }
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end
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end
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desc "stop", "Stop app on servers"
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def stop
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on(MRSK.config.hosts) { execute *MRSK.app.stop, raise_on_non_zero_exit: false }
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end
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desc "details", "Display details about app containers"
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def details
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on(MRSK.config.hosts) { |host| puts "App Host: #{host}\n" + capture(*MRSK.app.info, verbosity: Logger::INFO) + "\n\n" }
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end
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desc "exec [CMD]", "Execute a custom task on servers passed in as CMD='bin/rake some:task'"
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option :once, type: :boolean, default: false, desc: "Only perform command on primary host"
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option :run, type: :boolean, default: false, desc: "Start a new container to run the command rather than reusing existing"
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def exec(cmd)
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runner = options[:run] ? :run_exec : :exec
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if options[:once]
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on(MRSK.config.primary_host) { puts capture(*MRSK.app.send(runner, cmd), verbosity: Logger::INFO) }
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else
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on(MRSK.config.hosts) { |host| puts "App Host: #{host}\n" + capture(*MRSK.app.send(runner, cmd), verbosity: Logger::INFO) + "\n\n" }
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end
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end
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desc "console", "Start Rails Console on primary host"
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option :host, desc: "Start console on a different host"
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def console
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host = options[:host] || MRSK.config.primary_host
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run_locally do
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puts "Launching Rails console on #{host}..."
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exec MRSK.app.console(host: host)
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end
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end
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desc "runner [EXPRESSION]", "Execute Rails runner with given expression"
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option :once, type: :boolean, default: false, desc: "Only perform runner on primary host"
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def runner(expression)
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if options[:once]
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on(MRSK.config.primary_host) { puts capture(*MRSK.app.exec("bin/rails", "runner", "'#{expression}'"), verbosity: Logger::INFO) }
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else
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on(MRSK.config.hosts) { |host| puts "App Host: #{host}\n" + capture(*MRSK.app.exec("bin/rails", "runner", "'#{expression}'"), verbosity: Logger::INFO) + "\n\n" }
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end
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end
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desc "containers", "List all the app containers currently on servers"
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def containers
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on(MRSK.config.hosts) { |host| puts "App Host: #{host}\n" + capture(*MRSK.app.list_containers, verbosity: Logger::INFO) + "\n\n" }
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end
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desc "current", "Return the current running container ID"
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def current
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on(MRSK.config.hosts) { |host| puts "App Host: #{host}\n" + capture(*MRSK.app.current_container_id, verbosity: Logger::INFO) + "\n\n" }
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end
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desc "logs", "Show last 100 log lines from app on servers"
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option :since, aliases: "-s", desc: "Show logs since timestamp (e.g. 2013-01-02T13:23:37Z) or relative (e.g. 42m for 42 minutes)"
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option :lines, type: :numeric, aliases: "-n", desc: "Number of log lines to pull from each server"
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option :grep, aliases: "-g", desc: "Show lines with grep match only (use this to fetch specific requests by id)"
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def logs
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# FIXME: Catch when app containers aren't running
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since = options[:since]
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lines = options[:lines]
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grep = options[:grep]
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on(MRSK.config.hosts) do |host|
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begin
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puts "App Host: #{host}\n" + capture(*MRSK.app.logs(since: since, lines: lines, grep: grep), verbosity: Logger::INFO) + "\n\n"
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rescue SSHKit::Command::Failed
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puts "App Host: #{host}\nNothing found\n\n"
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end
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end
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end
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desc "remove", "Remove app containers and images from servers"
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option :only, default: "", desc: "Use 'containers' or 'images'"
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def remove
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case options[:only]
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when "containers"
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on(MRSK.config.hosts) { execute *MRSK.app.remove_containers }
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when "images"
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on(MRSK.config.hosts) { execute *MRSK.app.remove_images }
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else
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on(MRSK.config.hosts) { execute *MRSK.app.remove_containers }
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on(MRSK.config.hosts) { execute *MRSK.app.remove_images }
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end
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end
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end
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