client_management/lib/tasks/detect_sites.rake

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require 'net/ssh'
require 'pathname'
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require 'fileutils'
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namespace :create_site do
desc "Detect sites"
task :detect_sites,[:detect_name] => :environment do |task,args|
Multithread.where(:key=>'detect_sites').each{|thread| thread.destroy if (thread.status["status"] == "error" || thread.status["status"] == "finish")}
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Multithread.where(:key=>'detect_sites').destroy
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@thread = Multithread.where(:key=>'detect_sites').first
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@type = "exec_all"
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if @thread.nil?
begin
@thread = Multithread.create(:key=>'detect_sites',:status=>{"infos"=>[],"status"=>"detecting"})
if( args.detect_name.nil? rescue true)
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site_servers = SiteServer.all.where(:active=>true).to_a
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else
site_servers = SiteServer.where(:server_name=>args.detect_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
Net::SSH.start(@site_server.ip , @site_server.account , password: @site_server.password) do |ssh|
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
Net::SSH.start(@site_server.ip , @site_server.account , password: @site_server.password) do |ssh|
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certbot_path = exec_ssh_command_by_sudo_and_see_output(ssh,"bash -l -c 'which certbot certbot-auto'",false,true).strip.split("\n")[0]
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@site_server.has_certbot = certbot_path.present?
@site_server.save
if @site_server.has_certbot
update_thread_infos("Checking certbot renew 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
end
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nginx_include_dir = exec_command_by_user(ssh,'grep include /etc/nginx/nginx.conf | grep -v "\#\|include /etc/nginx/mime.types\|include /etc/nginx/conf.d/\*.conf\|/etc/nginx/sites-enabled/\*"')
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nginx_include_dir = nginx_include_dir.gsub(/include|;|\n/,'').strip
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domain_name = @site_server.domain_name#'serv.rulingcom.com'
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server_names = exec_command_by_user(ssh,"grep -H 'server_name' -r #{nginx_include_dir}")
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server_names_array = server_names.scan(/(.*):[ \t]*server_name[ \t]+(.*);/)
server_names_array = server_names_array.group_by{|v| v[0]}
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server_names_array.each do |nginx_file, server_name_with_file|
server_names_for_site = server_name_with_file.map{|v| v[1].split(/[ |\t]+/)}.flatten.uniq - ["localhost","127.0.0.1"]
server_name_list = []
server_names_for_site.each do |server_name_for_site|
if !server_name_for_site.include?(domain_name)
next if !`nslookup "#{server_name_for_site}"`.include?(@site_server.ip)
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end
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server_name_list << server_name_for_site
end
server_name = server_name_list.join(' ')
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nginx_file_content = exec_ssh_command_by_sudo_and_see_output(ssh,"cat #{nginx_file}",false,true)
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site_path = Pathname.new(exec_ssh_command_by_sudo(ssh,"echo `grep root #{nginx_file} | grep -v -e '#.*root'`").to_s.split("\n").first.to_s.strip.split("root").last.to_s.gsub(";","").strip).dirname.to_s
if site_path.present? && exec_ssh_command_by_sudo(ssh,"ls #{site_path}").split.length != 0 && exec_ssh_command_by_sudo(ssh,"ls #{site_path}/Gemfile").include?("No such file or directory")
SiteConstruct.where(:server_type => @site_server.server_name , :domain_name=>server_name).destroy
next
end
path = Pathname.new(site_path).dirname.to_s
site_name = Pathname.new(site_path).basename.to_s
server_type = @site_server.server_name
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port = exec_ssh_command_by_sudo_and_see_output(ssh,"grep 'listen' #{nginx_file} | grep -v -e '#.*listen'",false).flat_map{|s| s.split(/(\r\n|\n)/)}.map{|s| s.match(/listen\s+(\d+)/)[1] rescue nil}.select{|s| s.present?}.uniq
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db_name = exec_ssh_command_by_sudo(ssh,"echo `cat #{site_path}/config/mongoid.yml | grep 'database'`").split("database:").last.strip
db_name = site_name.gsub("-","_") if db_name.include?("No such file or directory")
unicorn_sock_path = exec_ssh_command_by_sudo(ssh,"echo `grep 'server unix' #{nginx_file} | grep -v -e '#.*server unix'`").strip.split("server unix").last.strip.split(":").last.strip rescue (site_path+"/tmp/unicorn.sock")
if Pathname.new(path).basename.to_s == "orbit_sites" || Pathname.new(path).basename.to_s == "housing_sites" || Pathname.new(path).basename.to_s == "dev_sites" || Pathname.new(path).dirname.to_s == "/home"
school_name = nil
site_type = "Gravity"
else
school_name = Pathname.new(path).basename.to_s
site_type = "School"
end
pid_infos = exec_ssh_command_by_sudo(ssh,"fuser #{unicorn_sock_path}").to_s.strip.gsub("\n","")
if pid_infos.length != 0 && !pid_infos.include?("not exist") && !pid_infos.include?("No such file or directory")
status = "finish"
else
bundle_show_info = exec_ssh_command_by_sudo(ssh,"bash -l -c 'cd #{site_path};bundle show'")
if bundle_show_info.include?("is not yet checked out") || bundle_show_info.include?("No such file or directory")
status = ""
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else
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status = "closed"
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end
end
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site_constructs = SiteConstruct.where(:server_type => server_type , :nginx_file=>nginx_file).to_a
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site_construct = site_constructs[0]
Array(site_constructs[1..-1]).each do |s|
s.destroy
end
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cert_ver_added_text = exec_command_by_user(ssh,"cat #{nginx_file}").scan(/[ \t]*location(?:(?!location.*{).)+{#add_by_site_module.*}/m)[0]
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update_thread_infos("Detect <a href='#{((port[0] == "443") ? "https" : "http")}://#{server_name}#{((port[0]=="80" || port[0]=="443") ? "" : (':'+port[0]))}'>#{server_name}</a>".html_safe) rescue nil
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if site_construct.nil?
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site_construct = SiteConstruct.create(:server_type=>server_type,:site_name=>site_name,:domain_name=>server_name,:nginx_file=>nginx_file,:db_name=>db_name,:port=>port,:path=>path,:site_type=>site_type,:school_name=>school_name,:user_id=>User.first.id,:status=>status,:cert_ver_added_text=>cert_ver_added_text)
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else
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site_construct.update(:server_type=>server_type,:site_name=>site_name,:domain_name=>server_name,:nginx_file=>nginx_file,:db_name=>db_name,:port=>port,:path=>path,:site_type=>site_type,:school_name=>school_name,:user_id=>User.first.id,:status=>status,:cert_ver_added_text=>cert_ver_added_text)
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end
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default_rails_env = 'development'
enable_rails_env = ['development','production']
rails_env = default_rails_env
cmd_output = exec_ssh_command_by_sudo_and_see_output(ssh,"ps -o args= -p `cat #{site_construct.path}/#{site_construct.site_name}/tmp/pids/unicorn.pid`",false) rescue []
enable_rails_env.each do |env|
if( cmd_output[0].include?(env) rescue false)
rails_env = env
break
elsif( cmd_output[0].include?("No such file or directory") rescue false)
site_construct.update(:status => "closed")
break
end
end
site_construct.update(:rails_env => rails_env)
crt_file_path = nginx_file_content.match(/(?<=!#|^)\s*ssl_certificate\s+(.*)/)[1].split(';').first rescue ''
private_key_path = nginx_file_content.match(/(?<=!#|^)\s*ssl_certificate_key\s+(.*)/)[1].split(';').first rescue ''
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site_cert = nil
if crt_file_path.present? || private_key_path.present?
site_cert = site_construct.site_cert
if site_cert.nil?
site_cert = SiteCert.where(:source_paths=>[crt_file_path,private_key_path]).first
site_cert = SiteCert.new if site_cert.nil?
end
if true #site_cert.source_paths.count == 0
site_cert["cert_file"] = File.basename(crt_file_path)
cert_file_store_path = site_cert.cert_file.file.file
crt_file_content = exec_ssh_command_by_sudo_and_see_output(ssh,"cat #{crt_file_path}",false).select{|s| s.present?}.join("\n").strip.split(/(\r\n|\n)/).select{|s| s.present?}.join("\n")
FileUtils.mkdir_p(File.dirname(cert_file_store_path)) unless Dir.exist?(File.dirname(cert_file_store_path))
File.open(site_cert.cert_file.file.file,'w+'){|f| f.write(crt_file_content)}
site_cert["private_key"] = File.basename(private_key_path)
private_key_store_path = site_cert.private_key.file.file
private_key_content = exec_ssh_command_by_sudo_and_see_output(ssh,"cat #{private_key_path}",false).select{|s| s.present?}.join("\n").strip.split(/(\r\n|\n)/).select{|s| s.present?}.join("\n")
FileUtils.mkdir_p(File.dirname(private_key_store_path)) unless Dir.exist?(File.dirname(private_key_path))
File.open(site_cert.private_key.file.file,'w+'){|f| f.write(private_key_content)}
site_cert.source_paths = [crt_file_path,private_key_path]
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site_cert.is_certbot = private_key_path.include?("letsencrypt")
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site_cert.save
site_construct.update(:site_cert=>site_cert)
end
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if nginx_file_content.match(/\s*return\s+30[12]\s+https:\/\/\$host\$request_uri\s*;/)
site_construct.update(:redirect_to_https => true)
else
site_construct.update(:redirect_to_https => false)
end
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end
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end
end
end
end
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SiteConstruct.where(:domain_name.in => [nil,'','localhost','127.0.0.1']).destroy
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@thread.update(:status=>@thread.status.merge({"status"=>"finish"}))
rescue => e
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puts [e,e.backtrace]
@thread.update(:status=>{"infos"=>@thread.status["infos"].push(e.to_s),"status"=>"error"})
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end
end
end
def exec_ssh_command_by_sudo(session,command)
output = session.exec!("echo '#{@password}' | sudo -S #{command}")
# output = session.exec!("echo '#{@password}' | sudo -S -s #{command}")
if output.include?("sudo:") && output.include?("command not found")
output = session.exec!(command)
end
return output
end
def update_thread_infos(info)
puts info
@thread.status["infos"] = @thread.status["infos"].push(info)
@thread.save!
return @thread.status["infos"]
end
end