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-rw-r--r--lib/puppet/parser/functions/tripleo_swift_devices.rb39
1 files changed, 39 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/tripleo_swift_devices.rb b/lib/puppet/parser/functions/tripleo_swift_devices.rb
new file mode 100644
index 0000000..b320d62
--- /dev/null
+++ b/lib/puppet/parser/functions/tripleo_swift_devices.rb
@@ -0,0 +1,39 @@
+# Build Swift devices list from the parts, e.g. for:
+# raw_disk_prefix = 'r1z1-'
+# swift_storage_node_ips = ['192.168.1.12', '192.168.1.13']
+# raw_disks = [':%PORT%/device1', ':%PORT%/device2']
+#
+# devices will be ['r1z1-192.168.1.12:%PORT%/device1',
+# 'r1z1-192.168.1.12:%PORT%/device2'
+# 'r1z1-192.168.1.13:%PORT%/device1'
+# 'r1z1-192.168.1.13:%PORT%/device2']
+module Puppet::Parser::Functions
+ newfunction(:tripleo_swift_devices, :arity =>3, :type => :rvalue,
+ :doc => ("Build list of swift devices the TripleO way:" +
+ "from a raw disk prefix, a list of swift storage" +
+ "node IPs, and a list of raw disks.")) do |args|
+
+ raw_disk_prefix = args[0]
+ swift_node_ips = args[1]
+ raw_disks = args[2]
+
+ unless raw_disk_prefix.is_a?(String)
+ raise Puppet::ParseError, "tripleo_swift_devices: Argument 'raw_disk_prefix' must be a string. The value given was: #{raw_disk_prefix}"
+ end
+ unless swift_node_ips.is_a?(Array)
+ raise Puppet::ParseError, "tripleo_swift_devices: Argument 'swift_node_ips' must be an array. The value given was: #{swift_node_ips}"
+ end
+ unless raw_disks.is_a?(Array)
+ raise Puppet::ParseError, "tripleo_swift_devices: Argument 'raw_disks' must be an array. The value given was: #{raw_disks}"
+ end
+
+ devices = []
+ for ip in swift_node_ips do
+ for disk in raw_disks do
+ devices << "#{raw_disk_prefix}#{ip}#{disk}"
+ end
+ end
+
+ return devices
+ end
+end