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Clarify exec modes and drop tailored versions

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This commit is contained in:
David Heinemeier Hansson
2023-02-03 16:07:25 +01:00
parent a3d998508b
commit 3c1053fedd
4 changed files with 56 additions and 57 deletions
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65
lib/mrsk/cli/app.rb
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@@ -47,49 +47,40 @@ class Mrsk::Cli::App < Mrsk::Cli::Base
end
desc "exec [CMD]", "Execute a custom command on servers"
option :method, aliases: "-m", default: "exec", desc: "Execution method: [exec] perform inside app container / [run] perform in new container / [ssh] perform over ssh"
option :interactive, aliases: "-i", type: :boolean, default: false, desc: "Execute command over ssh for an interactive shell (use for console/bash)"
option :reuse, type: :boolean, default: false, desc: "Reuse currently running container instead of starting a new one"
def exec(cmd)
runner = \
case options[:method]
when "exec" then "exec"
when "run" then "run_exec"
when "ssh" then "exec_over_ssh"
else raise "Unknown method: #{options[:method]}"
end.inquiry
if runner.exec_over_ssh?
run_locally do
info "Launching command on #{MRSK.primary_host}"
exec MRSK.app.exec_over_ssh(cmd, host: MRSK.primary_host)
case
when options[:interactive] && options[:reuse]
say "Get current version of running container...", :magenta unless options[:version]
using_version(options[:version] || current_running_version) do |version|
say "Launching interactive command with version #{version} via SSH from existing container on #{MRSK.primary_host}...", :magenta
run_locally { exec MRSK.app.execute_in_existing_container_over_ssh(cmd, host: MRSK.primary_host) }
end
when options[:interactive]
say "Get most recent version available as an image...", :magenta unless options[:version]
using_version(options[:version] || most_recent_version_available) do |version|
say "Launching interactive command with version #{version} via SSH from new container on #{MRSK.primary_host}...", :magenta
run_locally { exec MRSK.app.execute_in_new_container_over_ssh(cmd, host: MRSK.primary_host) }
end
when options[:reuse]
say "Get current version of running container...", :magenta unless options[:version]
using_version(options[:version] || current_running_version) do |version|
say "Launching command with version #{version} from existing container on #{MRSK.primary_host}", :magenta
on(MRSK.hosts) { |host| puts_by_host host, capture_with_info(*MRSK.app.execute_in_existing_container(cmd)) }
end
else
on(MRSK.hosts) { |host| puts_by_host host, capture_with_info(*MRSK.app.send(runner, cmd)) }
say "Get most recent version available as an image...", :magenta unless options[:version]
using_version(options[:version] || most_recent_version_available) do |version|
say "Launching command with version #{version} from new container on #{MRSK.primary_host}", :magenta
on(MRSK.hosts) { |host| puts_by_host host, capture_with_info(*MRSK.app.execute_in_new_container(cmd)) }
end
end
end
desc "console", "Start Rails Console on primary host (or specific host set by --hosts)"
def console
say "Get most recent version available as an image...", :magenta unless options[:version]
using_version(options[:version] || most_recent_version_available) do |version|
say "Launching Rails console of version #{version} on #{MRSK.primary_host}...", :magenta
run_locally { exec MRSK.app.console(host: MRSK.primary_host) }
end
end
desc "bash", "Start a bash session on primary host (or specific host set by --hosts)"
def bash
say "Get most recent version available as an image...", :magenta unless options[:version]
using_version(options[:version] || most_recent_version_available) do |version|
say "Launching bash session of version #{version} on #{MRSK.primary_host}...", :magenta
run_locally { exec MRSK.app.bash(host: MRSK.primary_host) }
end
end
desc "runner [EXPRESSION]", "Execute Rails runner with given expression"
def runner(expression)
on(MRSK.hosts) { |host| puts_by_host host, capture_with_info(*MRSK.app.exec("bin/rails", "runner", "'#{expression}'")) }
end
desc "containers", "List all the app containers currently on servers"
def containers
on(MRSK.hosts) { |host| puts_by_host host, capture_with_info(*MRSK.app.list_containers) }