Logtail more than 10 lines

bin/broadside

@@ -110,6 +110,11 @@ command :deploy do |d|
     subcmd.arg_name 'INSTANCE'
     subcmd.flag [:n, :instance], type: Fixnum
 
+    subcmd.desc 'Number of lines to tail'
+    subcmd.default_value 10
+    subcmd.arg_name 'TAIL_LINES'
+    subcmd.flag [:l, :lines], type: Fixnum
+
     add_shared_deploy_configs(subcmd)
   end
 

lib/broadside/configuration/deploy_config.rb

@@ -22,6 +22,7 @@ class DeployConfig < ConfigStruct
         :env_vars,
         :command,
         :instance,
+        :lines,
         :predeploy_commands,
         :service_config,
         :task_definition_config
@@ -51,6 +52,7 @@ def initialize
         @instance = 0
         @service_config = nil
         @task_definition_config = nil
+        @lines = 10
       end
 
       # Validates format of deploy targets

lib/broadside/deploy.rb

@@ -15,6 +15,7 @@ def initialize(opts)
       @deploy_config.rollback = opts[:rollback] || @deploy_config.rollback
       @deploy_config.instance = opts[:instance] || @deploy_config.instance
       @deploy_config.command = opts[:command]   || @deploy_config.command
+      @deploy_config.lines = opts[:lines]       || @deploy_config.lines
     end
 
     def short

lib/broadside/deploy/ecs_deploy.rb

@@ -136,7 +136,7 @@ def logtail
         ip = get_running_instance_ip
         debug "Tailing logs for running container at ip #{ip}..."
         search_pattern = Shellwords.shellescape(family)
-        cmd = "docker logs -f --tail=10 `docker ps -n 1 --quiet --filter name=#{search_pattern}`"
+        cmd = "docker logs -f --tail=#{@deploy_config.lines} `docker ps -n 1 --quiet --filter name=#{search_pattern}`"
         tail_cmd = gen_ssh_cmd(ip) + " '#{cmd}'"
         exec tail_cmd
       end