client_management/lib/tasks/install_certbot.rake

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require 'net/ssh'
require 'pathname'
require 'fileutils'
namespace :create_site do
desc "Install certbot"
task :install_certbot,[:server_name] => :environment do |task,args|
#Multithread.where(:key=>'detect_sites').destroy
Multithread.where(:key=>'install_certbot').each{|thread| thread.destroy if (thread.status["status"] == "error" || thread.status["status"] == "finish")}
Multithread.where(:key=>'install_certbot').destroy
@thread = Multithread.where(:key=>'install_certbot').first
@type = "exec_all"
if @thread.nil?
begin
@thread = Multithread.create(:key=>'install_certbot',:status=>{"infos"=>[],"status"=>"running"})
if( args.server_name.nil? rescue true)
site_servers = SiteServer.all.where(:active=>true).to_a
else
site_servers = SiteServer.where(:server_name=>args.server_name).to_a
end
site_servers.each do |site_server|
@site_server = site_server
update_thread_infos("<span style='color: skyblue;'>"+@site_server.server_name+"</span>")
@password = @site_server.password
begin
begin
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Net::SSH.start(@site_server.ip , @site_server.account , { password: @site_server.password, port: @site_server.port}) do |ssh|
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end
rescue Net::SSH::HostKeyMismatch
system("ssh-keygen -f \"$HOME/.ssh/known_hosts\" -R #{@site_server.ip}")
rescue Errno::ENOTTY
system("ssh-add \"$HOME/.ssh/id_rsa\"")
rescue => e
update_thread_infos(e.to_s)
next
end
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Net::SSH.start(@site_server.ip , @site_server.account , { password: @site_server.password, port: @site_server.port}) do |ssh|
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certbot_path = exec_ssh_command_by_sudo_and_see_output(ssh,"bash -l -c 'which certbot'",false,true).strip
snap_path = exec_ssh_command_by_sudo_and_see_output(ssh,"bash -l -c 'which snap'",false,true).strip
already_apt_update = false
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if certbot_path.blank?
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update_thread_infos("checking kernel version")
kernel_version = exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' uname -r",false,true).strip.to_f rescue 0.0
update_thread_infos("kernel_version: #{kernel_version}")
if kernel_version < 4.4
update_thread_infos("Downloading certbot by using python3(since kernel < 4.4)...")
exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' add-apt-repository ppa:deadsnakes/ppa -y",false)
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update_thread_infos("execing apt update...")
exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' apt-get -y -o DPkg::options::='--force-confdef' -o DPkg::options::='--force-confold' update",true,false)
already_apt_update = true
update_thread_infos("Installing python3.6 python3.6-venv libaugeas0 ...")
exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' apt-get install python3.6 python3.6-venv libaugeas0 -y",false)
exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' rm -rf /opt/certbot/",false)
update_thread_infos("generating venv for certbot ...")
exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' python3.6 -m venv /opt/certbot/",false)
exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' /opt/certbot/bin/pip install --trusted-host pypi.python.org --upgrade pip",false)
update_thread_infos("Installing certbot on python3.6 ...")
exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' /opt/certbot/bin/pip install --trusted-host pypi.python.org certbot certbot-nginx",true)
exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' rm -f /usr/bin/certbot",true)
exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' ln -s /opt/certbot/bin/certbot /usr/bin/certbot",true)
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exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' certbot register --email bohung@rulingcom.com --agree-tos -n",false,false)
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update_thread_infos("Finish install certbot!")
certbot_path = "/usr/bin/certbot"
else
if snap_path.blank?
unless already_apt_update
update_thread_infos("execing apt update...")
exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' apt-get -y -o DPkg::options::='--force-confdef' -o DPkg::options::='--force-confold' update",true,false)
end
update_thread_infos("Installing snap...")
exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' apt install snapd -y",true,false)
snap_path = exec_ssh_command_by_sudo_and_see_output(ssh,"bash -l -c 'which snap'",false,true).strip
end
if snap_path.present?
update_thread_infos("Installing snap core...")
exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' bash -l -c 'snap install core && snap refresh core'",true,false)
update_thread_infos("Installing certbot with snap...")
exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' snap install --classic certbot",true,false)
exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' ln -s /snap/bin/certbot /usr/bin/certbot",false,false)
exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' certbot register --email bohung@rulingcom.com --agree-tos -n",false,false)
update_thread_infos("Finish install certbot!")
certbot_path = "/usr/bin/certbot"
else
update_thread_infos("There was some error when installing snap!")
end
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end
end
if certbot_path.present?
@site_server.has_certbot = true
@site_server.save
update_thread_infos("Setting certbot renew to cronjob...")
crontab_lines = exec_ssh_command_by_sudo_and_see_output(ssh,"sudo -p 'sudo password:' crontab -l",false,false)
certbot_renew_command = crontab_lines.select{|l| l.include?("certbot") && l.include?("renew")}[0]
unless certbot_renew_command
update_thread_infos("Add certbot renew cronjob!")
certbot_renew_command = "30 2 * * 1 #{certbot_path} renew --no-self-upgrade --post-hook 'sudo service nginx restart' > /var/log/le-renew.log"
update_thread_infos(certbot_renew_command)
exec_ssh_command_by_sudo_and_see_output(ssh,"CRON=\"#{certbot_renew_command}\" && (sudo -p 'sudo password:' crontab -l; echo \"\$CRON\" ) | sudo -p 'sudo password:' crontab -",false)
end
update_thread_infos("Finish setting renew cronjob!")
end
end
end
end
@thread.update(:status=>@thread.status.merge({"status"=>"finish"}))
rescue => e
puts [e,e.backtrace]
@thread.update(:status=>{"infos"=>@thread.status["infos"].push(e.to_s),"status"=>"error"})
end
end
end
end