Configurable SSH port

lib/kamal/commands/base.rb

@@ -18,7 +18,7 @@ def run_over_ssh(*command, host:)
         elsif config.ssh.proxy && config.ssh.proxy.is_a?(Net::SSH::Proxy::Command)
           cmd << " -o ProxyCommand='#{config.ssh.proxy.command_line_template}'"
         end
-        cmd << " -t #{config.ssh.user}@#{host} '#{command.join(" ")}'"
+        cmd << " -t #{config.ssh.user}@#{host} -p #{config.ssh.port} '#{command.join(" ")}'"
       end
     end
 

lib/kamal/configuration/ssh.rb

@@ -9,6 +9,10 @@ def user
     config.fetch("user", "root")
   end
 
+  def port
+    config.fetch("port", 22)
+  end
+
   def proxy
     if (proxy = config["proxy"])
       Net::SSH::Proxy::Jump.new(proxy.include?("@") ? proxy : "root@#{proxy}")
@@ -18,7 +22,7 @@ def proxy
   end
 
   def options
-    { user: user, proxy: proxy, logger: logger, keepalive: true, keepalive_interval: 30 }.compact
+    { user: user, port: port, proxy: proxy, logger: logger, keepalive: true, keepalive_interval: 30 }.compact
   end
 
   def to_h

test/cli/accessory_test.rb

@@ -97,7 +97,7 @@ class CliAccessoryTest < CliTestCase
 
   test "logs with follow" do
     SSHKit::Backend::Abstract.any_instance.stubs(:exec)
-      .with("ssh -t root@1.1.1.3 'docker logs app-mysql --timestamps --tail 10 --follow 2>&1'")
+      .with("ssh -t root@1.1.1.3 -p 22 'docker logs app-mysql --timestamps --tail 10 --follow 2>&1'")
 
     assert_match "docker logs app-mysql --timestamps --tail 10 --follow 2>&1", run_command("logs", "mysql", "--follow")
   end

test/cli/app_test.rb

@@ -172,7 +172,7 @@ class CliAppTest < CliTestCase
 
   test "exec interactive" do
     SSHKit::Backend::Abstract.any_instance.expects(:exec)
-      .with("ssh -t root@1.1.1.1 'docker run -it --rm --env-file .kamal/env/roles/app-web.env dhh/app:latest ruby -v'")
+      .with("ssh -t root@1.1.1.1 -p 22 'docker run -it --rm --env-file .kamal/env/roles/app-web.env dhh/app:latest ruby -v'")
     run_command("exec", "-i", "ruby -v").tap do |output|
       assert_match "Get most recent version available as an image...", output
       assert_match "Launching interactive command with version latest via SSH from new container on 1.1.1.1...", output
@@ -181,7 +181,7 @@ class CliAppTest < CliTestCase
 
   test "exec interactive with reuse" do
     SSHKit::Backend::Abstract.any_instance.expects(:exec)
-      .with("ssh -t root@1.1.1.1 'docker exec -it app-web-999 ruby -v'")
+      .with("ssh -t root@1.1.1.1 -p 22 'docker exec -it app-web-999 ruby -v'")
     run_command("exec", "-i", "--reuse", "ruby -v").tap do |output|
       assert_match "Get current version of running container...", output
       assert_match "Running docker ps --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --latest --format \"{{.Names}}\" | while read line; do echo ${line#app-web-}; done on 1.1.1.1", output
@@ -210,7 +210,7 @@ class CliAppTest < CliTestCase
 
   test "logs with follow" do
     SSHKit::Backend::Abstract.any_instance.stubs(:exec)
-      .with("ssh -t root@1.1.1.1 'docker ps --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --latest | xargs docker logs --timestamps --tail 10 --follow 2>&1'")
+      .with("ssh -t root@1.1.1.1 -p 22 'docker ps --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --latest | xargs docker logs --timestamps --tail 10 --follow 2>&1'")
 
     assert_match "docker ps --quiet --filter label=service=app --filter label=role=web --filter status=running --filter status=restarting --latest | xargs docker logs --timestamps --tail 10 --follow 2>&1", run_command("logs", "--follow")
   end

test/cli/traefik_test.rb

@@ -64,7 +64,7 @@ class CliTraefikTest < CliTestCase
 
   test "logs with follow" do
     SSHKit::Backend::Abstract.any_instance.stubs(:exec)
-      .with("ssh -t root@1.1.1.1 'docker logs traefik --timestamps --tail 10 --follow 2>&1'")
+      .with("ssh -t root@1.1.1.1 -p 22 'docker logs traefik --timestamps --tail 10 --follow 2>&1'")
 
     assert_match "docker logs traefik --timestamps --tail 10 --follow", run_command("logs", "--follow")
   end

test/commands/accessory_test.rb

@@ -128,7 +128,7 @@ class CommandsAccessoryTest < ActiveSupport::TestCase
 
   test "follow logs" do
     assert_equal \
-      "ssh -t root@1.1.1.5 'docker logs app-mysql --timestamps --tail 10 --follow 2>&1'",
+      "ssh -t root@1.1.1.5 -p 22 'docker logs app-mysql --timestamps --tail 10 --follow 2>&1'",
       new_command(:mysql).follow_logs
   end
 

test/commands/app_test.rb

@@ -190,32 +190,37 @@ class CommandsAppTest < ActiveSupport::TestCase
   end
 
   test "run over ssh" do
-    assert_equal "ssh -t root@1.1.1.1 'ls'", new_command.run_over_ssh("ls", host: "1.1.1.1")
+    assert_equal "ssh -t root@1.1.1.1 -p 22 'ls'", new_command.run_over_ssh("ls", host: "1.1.1.1")
   end
 
   test "run over ssh with custom user" do
     @config[:ssh] = { "user" => "app" }
-    assert_equal "ssh -t app@1.1.1.1 'ls'", new_command.run_over_ssh("ls", host: "1.1.1.1")
+    assert_equal "ssh -t app@1.1.1.1 -p 22 'ls'", new_command.run_over_ssh("ls", host: "1.1.1.1")
+  end
+
+  test "run over ssh with custom port" do
+    @config[:ssh] = { "port" => "2222" }
+    assert_equal "ssh -t root@1.1.1.1 -p 2222 'ls'", new_command.run_over_ssh("ls", host: "1.1.1.1")
   end
 
   test "run over ssh with proxy" do
     @config[:ssh] = { "proxy" => "2.2.2.2" }
-    assert_equal "ssh -J root@2.2.2.2 -t root@1.1.1.1 'ls'", new_command.run_over_ssh("ls", host: "1.1.1.1")
+    assert_equal "ssh -J root@2.2.2.2 -t root@1.1.1.1 -p 22 'ls'", new_command.run_over_ssh("ls", host: "1.1.1.1")
   end
 
   test "run over ssh with proxy user" do
     @config[:ssh] = { "proxy" => "app@2.2.2.2" }
-    assert_equal "ssh -J app@2.2.2.2 -t root@1.1.1.1 'ls'", new_command.run_over_ssh("ls", host: "1.1.1.1")
+    assert_equal "ssh -J app@2.2.2.2 -t root@1.1.1.1 -p 22 'ls'", new_command.run_over_ssh("ls", host: "1.1.1.1")
   end
 
   test "run over ssh with custom user with proxy" do
     @config[:ssh] = { "user" => "app", "proxy" => "2.2.2.2" }
-    assert_equal "ssh -J root@2.2.2.2 -t app@1.1.1.1 'ls'", new_command.run_over_ssh("ls", host: "1.1.1.1")
+    assert_equal "ssh -J root@2.2.2.2 -t app@1.1.1.1 -p 22 'ls'", new_command.run_over_ssh("ls", host: "1.1.1.1")
   end
 
   test "run over ssh with proxy_command" do
     @config[:ssh] = { "proxy_command" => "ssh -W %h:%p user@proxy-server" }
-    assert_equal "ssh -o ProxyCommand='ssh -W %h:%p user@proxy-server' -t root@1.1.1.1 'ls'", new_command.run_over_ssh("ls", host: "1.1.1.1")
+    assert_equal "ssh -o ProxyCommand='ssh -W %h:%p user@proxy-server' -t root@1.1.1.1 -p 22 'ls'", new_command.run_over_ssh("ls", host: "1.1.1.1")
   end
 
   test "current_running_container_id" do

test/commands/traefik_test.rb

@@ -167,13 +167,13 @@ class CommandsTraefikTest < ActiveSupport::TestCase
 
   test "traefik follow logs" do
     assert_equal \
-      "ssh -t root@1.1.1.1 'docker logs traefik --timestamps --tail 10 --follow 2>&1'",
+      "ssh -t root@1.1.1.1 -p 22 'docker logs traefik --timestamps --tail 10 --follow 2>&1'",
       new_command.follow_logs(host: @config[:servers].first)
   end
 
   test "traefik follow logs with grep hello!" do
     assert_equal \
-      "ssh -t root@1.1.1.1 'docker logs traefik --timestamps --tail 10 --follow 2>&1 | grep \"hello!\"'",
+      "ssh -t root@1.1.1.1 -p 22 'docker logs traefik --timestamps --tail 10 --follow 2>&1 | grep \"hello!\"'",
       new_command.follow_logs(host: @config[:servers].first, grep: 'hello!')
   end
 

test/configuration/ssh_test.rb

@@ -22,6 +22,9 @@ class ConfigurationSshTest < ActiveSupport::TestCase
 
     config = Kamal::Configuration.new(@deploy.tap { |c| c.merge!(ssh: { "log_level" => "debug" }) })
     assert_equal 0, config.ssh.options[:logger].level
+
+    config = Kamal::Configuration.new(@deploy.tap { |c| c.merge!(ssh: { "port" => 2222 }) })
+    assert_equal 2222, config.ssh.options[:port]
   end
 
   test "ssh options with proxy host" do

test/configuration_test.rb

@@ -227,7 +227,7 @@ class ConfigurationTest < ActiveSupport::TestCase
         :repository=>"dhh/app",
         :absolute_image=>"dhh/app:missing",
         :service_with_version=>"app-missing",
-        :ssh_options=>{ :user=>"root", log_level: :fatal, keepalive: true, keepalive_interval: 30 },
+        :ssh_options=>{ :user=>"root", port: 22, log_level: :fatal, keepalive: true, keepalive_interval: 30 },
         :sshkit=>{},
         :volume_args=>["--volume", "/local/path:/container/path"],
         :builder=>{},

test/integration/main_test.rb

@@ -54,7 +54,7 @@ class MainTest < IntegrationTest
     assert_equal "registry:4443/app:#{version}", config[:absolute_image]
     assert_equal "app-#{version}", config[:service_with_version]
     assert_equal [], config[:volume_args]
-    assert_equal({ user: "root", keepalive: true, keepalive_interval: 30, log_level: :fatal }, config[:ssh_options])
+    assert_equal({ user: "root", port: 22, keepalive: true, keepalive_interval: 30, log_level: :fatal }, config[:ssh_options])
     assert_equal({ "multiarch" => false, "args" => { "COMMIT_SHA" => version } }, config[:builder])
     assert_equal [ "--log-opt", "max-size=\"10m\"" ], config[:logging]
     assert_equal({ "path" => "/up", "port" => 3000, "max_attempts" => 7, "exposed_port" => 3999, "cord"=>"/tmp/kamal-cord", "log_lines" => 50, "cmd"=>"wget -qO- http://localhost > /dev/null || exit 1" }, config[:healthcheck])