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#
# Author:: Joe Williams (<joe@joetify.com>)
# Copyright:: Copyright 2009-2016, Joe Williams
# License:: Apache License, Version 2.0
#
# 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.
#
require "chef/log"
require "chef/provider"
class Chef
class Provider
class Mdadm < Chef::Provider
provides :mdadm
def load_current_resource
@current_resource = Chef::Resource::Mdadm.new(new_resource.name)
current_resource.raid_device(new_resource.raid_device)
logger.trace("#{new_resource} checking for software raid device #{current_resource.raid_device}")
device_not_found = 4
mdadm = shell_out!("mdadm --detail --test #{new_resource.raid_device}", returns: [0, device_not_found])
exists = (mdadm.status == 0)
current_resource.exists(exists)
end
def action_create
unless current_resource.exists
converge_by("create RAID device #{new_resource.raid_device}") do
command = "yes | mdadm --create #{new_resource.raid_device} --level #{new_resource.level}"
command << " --chunk=#{new_resource.chunk}" unless new_resource.level == 1
command << " --metadata=#{new_resource.metadata}"
command << " --bitmap=#{new_resource.bitmap}" if new_resource.bitmap
command << " --layout=#{new_resource.layout}" if new_resource.layout
command << " --raid-devices #{new_resource.devices.length} #{new_resource.devices.join(" ")}"
logger.trace("#{new_resource} mdadm command: #{command}")
shell_out!(command)
logger.info("#{new_resource} created raid device (#{new_resource.raid_device})")
end
else
logger.trace("#{new_resource} raid device already exists, skipping create (#{new_resource.raid_device})")
end
end
def action_assemble
unless current_resource.exists
converge_by("assemble RAID device #{new_resource.raid_device}") do
command = "yes | mdadm --assemble #{new_resource.raid_device} #{new_resource.devices.join(" ")}"
logger.trace("#{new_resource} mdadm command: #{command}")
shell_out!(command)
logger.info("#{new_resource} assembled raid device (#{new_resource.raid_device})")
end
else
logger.trace("#{new_resource} raid device already exists, skipping assemble (#{new_resource.raid_device})")
end
end
def action_stop
if current_resource.exists
converge_by("stop RAID device #{new_resource.raid_device}") do
command = "yes | mdadm --stop #{new_resource.raid_device}"
logger.trace("#{new_resource} mdadm command: #{command}")
shell_out!(command)
logger.info("#{new_resource} stopped raid device (#{new_resource.raid_device})")
end
else
logger.trace("#{new_resource} raid device doesn't exist (#{new_resource.raid_device}) - not stopping")
end
end
end
end
end
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