online schema change: remove per-shard prompting

plugins/online_schema_change/lib/topology.rb

@@ -12,8 +12,6 @@ def alter_table_shards(database, table, alter, dry_run=true, shard_pool=nil, ski
 
       ui = PreflightShardUI.new(my_shards)
       ui.run! do |shard,stage|
-        force_confirm_each_shard(shard) if stage == :all
-
         # If we're past preflight, we want to not prompt the confirmation.
         force = stage == :all
         shard.alter_table(database, table, alter, dry_run, force, skip_rename, arbitrary_options)
@@ -30,7 +28,6 @@ def drop_old_alter_table_shards(database, table, shard_pool = nil)
 
       ui = PreflightShardUI.new(my_shards)
       ui.run! do |shard,_|
-        force_confirm_each_shard(shard) if stage == :all
         shard.drop_old_alter_table(database, table)
       end
     end
@@ -41,18 +38,10 @@ def rename_table_shards(database, orig_table, copy_table, shard_pool=nil)
 
       ui = PreflightShardUI.new(my_shards)
       ui.run! do |shard,stage|
-        force_confirm_each_shard(shard) if stage == :all
-
         # If we're past preflight, we want to not prompt the confirmation.
         force = stage == :all
         shard.rename_table(database, orig_table, copy_table, force)
       end
     end
-
-    def force_confirm_each_shard(shard)
-      while !agree("Continue on to #{shard.pool.to_s}? Not agreeing will leave the shard pool in an inconsistent state. (YES/no)")
-        output "It is non-sensical to stop now :( Please say yes, or Ctrl-C if you really mean it."
-      end
-    end
   end
 end