Support launching rax performance nodes

And recommend them.

Change-Id: I2a45ef250378604aba72b74b170cec127b18d1be

doc/source/running-your-own.rst

@@ -223,8 +223,8 @@ to use ``: |``::
     contents
     here
 
-Launch a node - be sure to pass --ram 10240 to get a flavor with at least 10G+
-or RAM, as gerrit is configured for 8G of heap.
+Launch a node - be sure to pass --flavor "10G" to get a flavor with at
+least 10G+ of RAM, as gerrit is configured for 8G of heap.
 
 Follow the :file:`doc/source/gerrit.rst` for instructions on getting gerrit
 configured once installed.
@@ -354,10 +354,10 @@ gets their own puppet cert. The openstack/site.pp has a legacy setting for
 
 #. Remove the certname override - upstream are dropping this gradually.
 
-#. Launch a node, passing in --image and --ram to get a node that you
+#. Launch a node, passing in --image and --flavor to get a node that you
    want :). e.g::
 
-     launch-node.py centos6-1.slave.openstack.org --image $IMAGE --ram 1024 \
+     launch-node.py centos6-1.slave.openstack.org --image $IMAGE --flavor "1G" \
        mydns
 
 #. Go into the Jenkins config and press 'test connection' on the gearman config

launch/README

@@ -16,9 +16,10 @@ to a group.)
 To launch a node in the OpenStack CI account (production servers)::
 
   . ~root/ci-launch/openstackci-rs-nova.sh
+  export FLAVOR="8 GB Performance"
   export FQDN=servername.openstack.org
   sudo puppet cert generate $FQDN
-  ./launch-node.py $FQDN
+  ./launch-node.py $FQDN --flavor "$FLAVOR"
 
 To launch a node in the OpenStack Jenkins account (slave nodes)::
 
@@ -27,9 +28,9 @@ To launch a node in the OpenStack Jenkins account (slave nodes)::
   nova image-list
   export IMAGE='Ubuntu 12.04 LTS (Precise Pangolin)'
   nova flavor-list
-  export RAM=8192
+  export FLAVOR="8 GB Performance"
   sudo puppet cert generate $FQDN
-  ./launch-node.py $FQDN --image "$IMAGE" --ram $RAM --salt
+  ./launch-node.py $FQDN --image "$IMAGE" --flavor "$FLAVOR" --salt
 
 The --salt option tells the script to automatically configure and enroll
 the server as a minion on the salt master.

launch/launch-node.py

@@ -176,8 +176,8 @@ def build_server(
 def main():
     parser = argparse.ArgumentParser()
     parser.add_argument("name", help="server name")
-    parser.add_argument("--ram", dest="ram", default=1024, type=int,
-                        help="minimum amount of ram")
+    parser.add_argument("--flavor", dest="flavor", default='1GB',
+                        help="name (or substring) of flavor")
     parser.add_argument("--image", dest="image",
                         default="Ubuntu 12.04 LTS (Precise Pangolin)",
                         help="image name")
@@ -204,8 +204,7 @@ def main():
                                        cert)):
         raise Exception("Please specify the name of a signed puppet cert.")
 
-    flavors = [f for f in client.flavors.list() if f.ram >= options.ram]
-    flavors.sort(lambda a, b: cmp(a.ram, b.ram))
+    flavors = [f for f in client.flavors.list() if options.flavor in f.name]
     flavor = flavors[0]
     print "Found flavor", flavor