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Switch to host naming

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Servers concept will encompass custom cmd and labels. Host is just the IP address.
This commit is contained in:
David Heinemeier Hansson
2023-01-10 14:15:16 +01:00
parent 5ca6f32ee7
commit 78a5d08d3f
6 changed files with 25 additions and 42 deletions
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42
lib/tasks/mrsk/app.rake
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@@ -14,12 +14,12 @@ namespace :mrsk do
desc "Pull app image from the registry onto servers"
task :pull do
on(MRSK_CONFIG.servers) { execute *app.pull }
on(MRSK_CONFIG.hosts) { execute *app.pull }
end
desc "Run app on servers (or start them if they've already been run)"
task :run do
on(MRSK_CONFIG.servers) do |host|
on(MRSK_CONFIG.hosts) do |host|
begin
execute *app.run
rescue SSHKit::Command::Failed => e
@@ -33,32 +33,14 @@ namespace :mrsk do
end
end
desc "Run app on servers (or start them if they've already been run)"
task :run do
MRSK_CONFIG.roles.each do |role|
on(MRSK_CONFIG.servers(role: role)) do |host|
begin
execute *app.run(role: role)
rescue SSHKit::Command::Failed => e
if e.message =~ /already in use/
puts "Container with same version already deployed on #{host}, starting that instead"
execute *app.start, host: host
else
raise
end
end
end
end
end
desc "Start existing app on servers"
task :start do
on(MRSK_CONFIG.servers) { execute *app.start, raise_on_non_zero_exit: false }
on(MRSK_CONFIG.hosts) { execute *app.start, raise_on_non_zero_exit: false }
end
desc "Stop app on servers"
task :stop do
on(MRSK_CONFIG.servers) { execute *app.stop, raise_on_non_zero_exit: false }
on(MRSK_CONFIG.hosts) { execute *app.stop, raise_on_non_zero_exit: false }
end
desc "Start app on servers (use VERSION=<git-hash> to designate which version)"
@@ -66,46 +48,46 @@ namespace :mrsk do
desc "Display information about app containers"
task :info do
on(MRSK_CONFIG.servers) { |host| puts "App Host: #{host}\n" + capture(*app.info) + "\n\n" }
on(MRSK_CONFIG.hosts) { |host| puts "App Host: #{host}\n" + capture(*app.info) + "\n\n" }
end
desc "Execute a custom task on servers passed in as CMD='bin/rake some:task'"
task :exec do
on(MRSK_CONFIG.servers) { |host| puts "App Host: #{host}\n" + capture(*app.exec(ENV["CMD"])) + "\n\n" }
on(MRSK_CONFIG.hosts) { |host| puts "App Host: #{host}\n" + capture(*app.exec(ENV["CMD"])) + "\n\n" }
end
namespace :exec do
desc "Execute Rails command on servers, like CMD='runner \"puts %(Hello World)\""
task :rails do
on(MRSK_CONFIG.servers) { |host| puts "App Host: #{host}\n" + capture(*app.exec("bin/rails", ENV["CMD"])) + "\n\n" }
on(MRSK_CONFIG.hosts) { |host| puts "App Host: #{host}\n" + capture(*app.exec("bin/rails", ENV["CMD"])) + "\n\n" }
end
desc "Execute a custom task on the first defined server"
task :once do
on(MRSK_CONFIG.servers.first) { |host| puts capture(*app.exec(ENV["CMD"])) }
on(MRSK_CONFIG.hosts.first) { |host| puts capture(*app.exec(ENV["CMD"])) }
end
namespace :once do
desc "Execute Rails command on the first defined server, like CMD='runner \"puts %(Hello World)\""
task :rails do
on(MRSK_CONFIG.servers.first) { puts capture(*app.exec("bin/rails", ENV["CMD"])) }
on(MRSK_CONFIG.hosts.first) { puts capture(*app.exec("bin/rails", ENV["CMD"])) }
end
end
end
desc "List all the app containers currently on servers"
task :containers do
on(MRSK_CONFIG.servers) { |host| puts "App Host: #{host}\n" + capture(*app.list_containers) + "\n\n" }
on(MRSK_CONFIG.hosts) { |host| puts "App Host: #{host}\n" + capture(*app.list_containers) + "\n\n" }
end
desc "Tail logs from app containers"
task :logs do
on(MRSK_CONFIG.servers) { execute *app.logs }
on(MRSK_CONFIG.hosts) { execute *app.logs }
end
desc "Remove app containers and images from servers"
task remove: %i[ stop ] do
on(MRSK_CONFIG.servers) do
on(MRSK_CONFIG.hosts) do
execute *app.remove_containers
execute *app.remove_images
end