Author: eelco
Date: Fri Apr 1 18:09:57 2011
New Revision: 26664
URL: https://svn.nixos.org/websvn/nix/?rev=26664&sc=1
Log:
* Add a module for setting up a basic (single-node) OpenStack Compute
(Nova) cloud.
Added:
nixos/trunk/modules/virtualisation/nova.nix
Modified:
nixos/trunk/modules/module-list.nix
Modified: nixos/trunk/modules/module-list.nix
==============================================================================
--- nixos/trunk/modules/module-list.nix Fri Apr 1 18:08:53 2011 (r26663)
+++ nixos/trunk/modules/module-list.nix Fri Apr 1 18:09:57 2011 (r26664)
@@ -171,5 +171,6 @@
./tasks/swraid.nix
./tasks/tty-backgrounds.nix
./virtualisation/libvirtd.nix
+ ./virtualisation/nova.nix
./virtualisation/xen-dom0.nix
]
Added: nixos/trunk/modules/virtualisation/nova.nix
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ nixos/trunk/modules/virtualisation/nova.nix Fri Apr 1 18:09:57 2011
(r26664)
@@ -0,0 +1,131 @@
+# Module for Nova, a.k.a. OpenStack Compute.
+
+{ config, pkgs, ... }:
+
+with pkgs.lib;
+
+let
+
+ cfg = config.virtualisation.nova;
+
+ nova = pkgs.nova;
+
+in
+
+{
+
+ ###### interface
+
+ options = {
+
+ virtualisation.nova.enableSingleNode =
+ mkOption {
+ default = false;
+ description =
+ ''
+ This option enables Nova, also known as OpenStack Compute,
+ a cloud computing system, as a single-machine
+ installation. That is, all of Nova's components are
+ enabled on this machine, using SQLite as Nova's database.
+ This is useful for evaluating and experimenting with Nova.
+ However, for a real cloud computing environment, you'll
+ want to enable some of Nova's services on other machines,
+ and use a database such as MySQL.
+ '';
+ };
+
+ };
+
+
+ ###### implementation
+
+ config = mkIf cfg.enableSingleNode {
+
+ environment.systemPackages = [ nova ];
+
+ environment.etc =
+ [ # The Paste configuration file for nova-api.
+ { source = "${nova}/etc/nova/nova-api.conf";
+ target = "nova/nova-api.conf";
+ }
+ ];
+
+ # Nova requires libvirtd and RabbitMQ.
+ virtualisation.libvirtd.enable = true;
+ services.rabbitmq.enable = true;
+
+ # `qemu-nbd' required the `nbd' kernel module.
+ boot.kernelModules = [ "nbd" ];
+
+ # `nova-api' receives and executes external client requests from
+ # tools such as euca2ools. It listens on port 8773 (XML) and 8774
+ # (JSON).
+ jobs.nova_api =
+ { name = "nova-api";
+
+ description = "Nova API service";
+
+ startOn = "ip-up";
+
+ exec = "${nova}/bin/nova-api";
+ };
+
+ # `nova-objectstore' is a simple image server. Useful if you're
+ # not running the OpenStack Imaging Service (Swift). It serves
+ # images placed in /var/lib/nova/images/.
+ jobs.nova_objectstore =
+ { name = "nova-objectstore";
+
+ description = "Nova simple object store service";
+
+ startOn = "ip-up";
+
+ exec = "${nova}/bin/nova-objectstore --nodaemon";
+ };
+
+ # `nova-scheduler' schedules VM execution requests.
+ jobs.nova_scheduler =
+ { name = "nova-scheduler";
+
+ description = "Nova scheduler service";
+
+ startOn = "ip-up";
+
+ exec = "${nova}/bin/nova-scheduler --nodaemon --verbose";
+ };
+
+ # `nova-compute' starts and manages virtual machines.
+ jobs.nova_compute =
+ { name = "nova-compute";
+
+ description = "Nova compute service";
+
+ startOn = "ip-up";
+
+ path =
+ [ pkgs.sudo pkgs.vlan pkgs.nettools pkgs.iptables pkgs.qemu_kvm
+ pkgs.e2fsprogs pkgs.utillinux
+ ];
+
+ exec = "${nova}/bin/nova-compute --nodaemon --verbose";
+ };
+
+ # `nova-network' manages networks and allocates IP addresses.
+ jobs.nova_network =
+ { name = "nova-network";
+
+ description = "Nova network service";
+
+ startOn = "ip-up";
+
+ path =
+ [ pkgs.sudo pkgs.vlan pkgs.dnsmasq pkgs.nettools pkgs.iptables
+ pkgs.iproute pkgs.bridge_utils pkgs.radvd
+ ];
+
+ exec = "${nova}/bin/nova-network --nodaemon --verbose";
+ };
+
+ };
+
+}
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