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bacula_pool_handler.rb
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Sun, Nov 24, 5:01 PM

bacula_pool_handler.rb
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class BaculaPoolHandler
require 'net/scp'
attr_accessor :pool
# Initializes a BaculaPoolHandler instance.
#
# Sets `pool` attribute.
# Sets the temporal files that contain the client's configuration
#
# @param pool[Pool] the pool instance the bacula handler will act upon
def initialize(pool)
@pool = pool
end
# Deploys the pool's config to the bacula director by
#
# * uploading the configuration
# * reloadind the bacula director
#
# @return [Boolean] false if something went wrong
def deploy_config
send_config && reload_bacula
end
# Removes the pool's configuration from the bacula director by
#
# * removing the pool's configuration files
# * reloading the bacula director
#
# @return [Boolean] false if something went wrong
def undeploy_config
remove_config && reload_bacula
end
private
def pool_file
file = Tempfile.new(pool.name)
file.chmod(0666)
file.write pool.to_bacula_config_array.join("\n")
file.close
file
end
def send_config
file = pool_file
begin
Net::SCP.upload!(
ssh_settings[:host],
ssh_settings[:username],
file.path,
ssh_settings[:admin_path] + 'pools/' + pool.name + '.conf',
ssh: { keys: [ssh_settings[:key_file]] }
)
Rails.logger.warn("[BACULA_POOL_HANDLER]: OK SEND_CONFIG")
rescue
Rails.logger.warn("[BACULA_POOL_HANDLER]: ERROR SEND_CONFIG")
return false
end
true
end
def remove_config
begin
Net::SSH.start(ssh_settings[:host], ssh_settings[:username],
keys: ssh_settings[:key_file]) do |ssh|
ssh.exec!("rm #{ssh_settings[:admin_path]}pools/#{pool.name}.conf")
end
rescue
return false
end
true
end
def reload_bacula
command = "echo \"reload quit\" | #{bconsole}"
exec_with_timeout(command, 2)
end
def exec_with_timeout(command, sec)
begin
Timeout::timeout(sec) do
`#{command}`
end
Rails.logger.warn("[BACULA_POOL_HANDLER]: OK RELOAD BACULA")
rescue
Rails.logger.warn("[BACULA_POOL_HANDLER]: ERROR RELOAD BACULA")
return false
end
true
end
def bconsole
"bconsole -c #{Rails.root}/config/bconsole.conf"
end
def ssh_settings
@ssh_settings ||= YAML::load(File.open("#{Rails.root}/config/ssh.yml"))[Rails.env].
symbolize_keys
end
end

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