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esh_zfs/recipes/autobackup.rb

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+#
+# Cookbook:: esh_zfs
+# Recipe:: default
+#
+# Copyright:: 2022, https://easyself.host
+#
+# 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.
+
+apt_package 'python3-pip'
+
+execute 'pip install zfs-autobackup' do
+  command 'pip install zfs-autobackup'
+  not_if 'pip show zfs-autobackup > /dev/null'
+  action :run
+end
+
+execute 'init zfs autobackup group name' do
+  command <<~EOT
+    zfs set autobackup:local=true #{node['esh']['zfs']['autobackup']['src']}
+    zfs set autobackup:local=false #{node['esh']['zfs']['autobackup']['src']}/default_images
+  EOT
+  not_if <<~EOT
+    zfs get -H -t filesystem,volume autobackup:local #{node['esh']['zfs']['autobackup']['src']} | grep -q true
+  EOT
+  action :run
+end

esh_zfs/recipes/default.rb

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+#
+# Cookbook:: esh_zfs
+# Recipe:: default
+#
+# Copyright:: 2022, https://easyself.host
+#
+# 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.

esh_zfs/recipes/package.rb

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+#
+# Cookbook:: esh_zfs
+# Recipe:: default
+#
+# Copyright:: 2022, https://easyself.host
+#
+# 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.
+
+apt_package 'zfsutils-linux' do
+  action :install
+end

esh_zfs/recipes/pool.rb

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+#
+# Cookbook:: esh_zfs
+# Recipe:: default
+#
+# Copyright:: 2022, https://easyself.host
+#
+# 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.
+
+node['esh']['zfs']['pools'].each do |pool, params|
+  execute "zpool create #{pool}" do
+    command <<~EOT
+    zpool create \
+      -m #{params['mount_point']} \
+      -o ashift=#{params['ashift']} \
+      -o autotrim=#{params['autotrim']} \
+      -o feature@lz4_compress=#{params['lz4_compress']} \
+      -O compression=#{params['compression']} \
+      -O dedup=#{params['dedup']} \
+      #{pool} \
+      #{params['target']}
+    EOT
+    action :run
+    not_if "zpool list #{pool}"
+  end
+end

esh_zfs/recipes/scrub.rb

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+#
+# Cookbook:: esh_zfs
+# Recipe:: default
+#
+# Copyright:: 2022, https://easyself.host
+#
+# 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.
+
+template '/usr/local/bin/zfs-scrub' do
+  owner 'root'
+  group 'root'
+  mode '0500'
+  variables hc_url: node['esh']['zfs']['scrub']['hc_url'],
+    pools: node['esh']['zfs']['pools']
+  action :create
+end
+
+systemd_unit 'zfs-scrub.service' do
+  content <<~EOU
+  [Unit]
+  Description=zfs scrub pools
+
+  [Service]
+  Nice=19
+  IOSchedulingClass=idle
+  KillSignal=SIGINT
+  ExecStart=/usr/local/bin/zfs-scrub
+
+  [Install]
+  WantedBy=multi-user.target
+  EOU
+  action [:create, :enable]
+end
+
+systemd_unit 'zfs-scrub.timer' do
+  content <<~EOU
+  [Unit]
+  Description=Monthly zpool scrub
+
+  [Timer]
+  OnCalendar=monthly
+  RandomizedDelaySec=86400
+  Persistent=true
+
+  [Install]
+  WantedBy=multi-user.target
+  EOU
+  action [:create, :enable, :start]
+end