client_management/lib/tasks/change_backup_setting.rake

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require 'net/ssh'
require 'pathname'
require 'json'
require 'base64'
namespace :exec_commands do
desc "Change Server Backup Setting Script"
task :change_backup_setting,[:site_server_id] => :environment do |task,args|
if args.site_server_id.present?
site_server = SiteServer.find(args.site_server_id)
else
raise StandardError.new('Please Specify Server ID!')
end
thread_key = "change_backup_setting_#{site_server.id}"
@thread = Multithread.where(:key=>thread_key).first
begin
if @thread.nil?
@thread = Multithread.create(:key=>thread_key,:status=>{"infos"=>[],"status"=>"execing"})
else
@thread.update(:status=>{"infos"=>[],"status"=>"execing"})
end
ip = site_server.ip
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server_port = site_server.port
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user = site_server.account
password = site_server.password
@password = password
begin
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Net::SSH.start(ip , user , { password: password, port: server_port}) do |ssh|
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end
rescue Net::SSH::HostKeyMismatch
system("ssh-keygen -f \"$HOME/.ssh/known_hosts\" -R #{ip}")
rescue Errno::ENOTTY
system("ssh-add \"$HOME/.ssh/id_rsa\"")
end
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Net::SSH.start(ip , user , { password: password, port: server_port}) do |ssh|
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@no_stdout = true
crontab_lines_str = exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' crontab -l", false, true)
if site_server.site_server_file_backups.count != 0
SiteServerFileBackup.init_class_variables(site_server)
rsnapshot_conf_default = SiteServerFileBackup::DefaultConf
rsnapshot_conf_exist = check_file_exist_for_ssh(ssh, rsnapshot_conf_default)
update_thread_infos_for_exec("Checking file backups config...")
if rsnapshot_conf_exist
rsnapshot_conf_contents = read_file_for_ssh(ssh, rsnapshot_conf_default)
else
rsnapshot_sample_conf = File.expand_path("../../../rsnapshot_sample.conf", __FILE__)
rsnapshot_conf_contents = File.read(rsnapshot_sample_conf)
write_file_for_ssh(ssh, rsnapshot_conf_default, rsnapshot_conf_contents)
end
site_server.site_server_file_backups.each do |file_backup|
rsnapshot_conf_path = file_backup.rsnapshot_conf_path
if check_file_exist_for_ssh(ssh, rsnapshot_conf_path)
tmp = read_file_for_ssh(ssh, rsnapshot_conf_path)
else
tmp = rsnapshot_conf_contents.clone
end
tmp = file_backup.gsub_rsnapshot_conf(tmp)
write_file_for_ssh(ssh, rsnapshot_conf_path, tmp)
mkdir_for_ssh(ssh, file_backup.path)
end
update_thread_infos_for_exec("Finish writing file backups config!")
end
site_server.site_server_db_backups do |db_backup|
mkdir_for_ssh(ssh, db_backup.path)
end
crontab_lines_str = SiteServerFileBackup.write_crontab_setting(site_server, crontab_lines_str)
crontab_lines_str = SiteServerDbBackup.write_crontab_setting(site_server, crontab_lines_str)
write_crontab_for_ssh(ssh, crontab_lines_str)
update_thread_infos_for_exec("Finish setting backups!")
end
site_server.site_server_file_backups.update_all(:need_rewrite=>false)
site_server.site_server_db_backups.update_all(:need_rewrite=>false)
site_server.update(:need_rewrite_backup_setting=>false)
@thread.update(:status=>@thread.status.merge({"status"=>"finish"}))
rescue => e
@thread.update(:status=>{"infos"=>@thread.status["infos"].push(e.message),"status"=>"error"})
@thread.update(:status=>{"infos"=>@thread.status["infos"].push(e.backtrace.join("\n")),"status"=>"error"})
end
end
def mkdir_for_ssh(ssh, dir)
exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' sh -c \"mkdir -p #{dir}\"", false)
end
def write_crontab_for_ssh(ssh, crontab_lines_str)
exec_ssh_command_by_sudo_and_see_output(ssh,"x='#{crontab_lines_str.gsub("\n", '\n').gsub("'","'\"'\"'")}'; sudo -p 'sudo password:' sh -c \"echo '$x'| crontab -\"", false)
end
def read_file_for_ssh(ssh, file_name)
exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' sh -c \"cat #{file_name}\"", false, true)
end
def write_file_for_ssh(ssh, file_name, contents)
exec_ssh_command_by_sudo_and_see_output(ssh,"x='#{contents.gsub("\n", '\n').gsub("'","'\"'\"'")}';sudo -p 'sudo password:' sh -c \"echo '$x' > #{file_name}\"", false)
end
def copy_file_for_ssh(ssh, src, dst)
exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' bash -l -c 'cp #{src} #{dst}'", 1)
end
def check_file_exist_for_ssh(ssh, file_name)
exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' bash -l -c 'if [ -e #{file_name} ]; then echo 1; else echo 0; fi'", false, true).include?('1')
end
end