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Merge pull request #147 from philk/parallel_doc

Add documentation for --concurrency switch
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tobami committed Jan 28, 2013
2 parents 5bf3504 + 9486a08 commit 6019f438eb7362d830d7e0117380c2763b3ae409
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@@ -223,6 +223,14 @@ deleted from the node, and verbose will also be true
Once a node has a config file, the command you will be using most often is `fix node:MYNODE`, which allows you to repeatedly tweak the recipes and attributes for a node and rerun the configuration.
+### Configuring nodes in parallel
+
+By default LittleChef configures nodes serially however it can also use Fabric's parallel SSH support to configure multiple nodes in parallel. All commands are supported (node, nodes_with_role, ssh, role, and recipe)
+
+* `fix --concurrency node:NODELIST`: will configure multiple nodes in parallel
+* `fix --concurrency node:NODELIST ssh:COMMAND`: will run an ssh command on multiple nodes in parallel
+* `fix --concurrency 5 node:NODELIST`: will configure multiple nodes in parallel but limit to 5 connections
+
### Consulting the inventory
* `fix list_nodes`: Lists all configured nodes, showing its associated recipes and roles

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