LWRP for Pools and RBD

providers/pool.rb

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+#
+# Cookbook Name:: ceph
+# Provider:: pool
+#
+# Author:: Hunter Nield <[email protected]>
+#
+# Copyright 2013, Hunter Nield
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+def whyrun_supported?
+  true
+end
+
+action :create do
+  converge_by("Creating pool '#{new_resource.name}'") do
+    execute "create pool" do
+      not_if "rados lspools | grep #{new_resource.name}"
+      command("rados mkpool #{new_resource.name}")
+    end
+    Chef::Log.info("Created` pool '#{new_resource.name}'")
+  end
+end
+
+action :delete do
+
+  converge_by("Deleting pool '#{new_resource.name}'") do
+    execute "delete pool" do
+      only_if "rados lspools | grep #{new_resource.name}"
+      if new_resource.force == true
+        command("rados rmpool #{new_resource.name} #{new_resource.name} --yes-i-really-really-mean-it")
+      else
+        command("rados rmpool #{new_resource.name}")
+      end
+      Chef::Log.info("Deleted pool '#{new_resource.name}'")
+    end
+  end
+end

providers/rbd_image.rb

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+#
+# Cookbook Name:: ceph
+# Provider:: rbd_image
+#
+# Author:: Hunter Nield <[email protected]>
+#
+# Copyright 2013, Hunter Nield
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+def whyrun_supported?
+  true
+end
+
+
+action :create do
+
+  converge_by("Creating block device '#{new_resource.name}' of #{new_resource.size}MB") do
+    if new_resource.pool
+      pool = "-p #{new_resource.pool}"
+    end
+
+    execute "create rbd image" do
+      not_if "rbd #{pool} ls | grep #{new_resource.name}"
+      command("rbd create #{pool} --size #{new_resource.size} #{new_resource.name}")
+    end
+    Chef::Log.info("Created block device '#{new_resource.name}' of #{new_resource.size}MB")
+  end
+
+end
+
+action :delete do
+
+  converge_by("Deleting block device '#{new_resource.name}'") do
+    if new_resource.pool
+      pool = "-p #{new_resource.pool}"
+    end
+
+    execute "create rbd image" do
+      only_if "rbd #{pool} ls | grep #{new_resource.name}"
+      command("rbd rm #{pool} #{new_resource.name}")
+    end
+    Chef::Log.info("Deleted block device '#{new_resource.name}'")
+  end
+
+end
+
+action :map do
+
+  converge_by("Mapping block device '#{new_resource.name}'") do
+    if new_resource.pool
+      pool = "-p #{new_resource.pool}"
+    end
+
+    execute "map rbd image" do
+      not_if "rbd #{pool} showmapped | grep #{new_resource.name}"
+      command("rbd map #{pool} #{new_resource.name}")
+    end
+    Chef::Log.info("Mapped block device '#{new_resource.name}'")
+  end
+
+end
+
+action :unmap do
+
+
+  converge_by("Unmapping block device '#{new_resource.name}' mounted at '#{new_resource.device}'") do
+    if new_resource.pool
+      pool = "-p #{new_resource.pool}"
+    end
+
+    execute "unmap rbd image" do
+      only_if "rbd #{pool} showmapped | grep #{new_resource.device}"
+      command("rbd unmap #{pool} #{new_resource.device}")
+    end
+    Chef::Log.info("Unmapped block device '#{new_resource.name}' mounted at '#{new_resource.device}'")
+  end
+end

resources/pool.rb

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+#
+# Author:: Hunter Nield (<[email protected]>)
+# Cookbook Name:: ceph
+# Resource:: pool
+#
+# Copyright 2013, Hunter NIeld
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+actions :create, :delete
+default_action :create
+
+attribute :name,	:kind_of => String,
+					:name_attribute => true
+attribute :force,	:kind_of => [ TrueClass, FalseClass ],
+					:default => false

resources/rbd_image.rb

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+#
+# Author:: Hunter Nield (<[email protected]>)
+# Cookbook Name:: ceph
+# Resource:: rbd_image
+#
+# Copyright 2013, Hunter NIeld
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+actions :create, :delete, :map, :unmap
+default_action :create
+
+attribute :name,      :kind_of => String,          :name_attribute => true
+attribute :pool,      :kind_of => String,          :default => nil
+attribute :size,      :kind_of => Fixnum,          :default => nil
+attribute :device,     :kind_of => String,          :default => nil