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#!/usr/bin/env ruby
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#<%= @header = ''; ERB.new(File.read(File.expand_path("_header.erb",File.dirname(file))), nil, nil, "@header").result(binding); @header -%>
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# If copying this template by hand, replace the settings below including the angle brackets
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SETTINGS = {
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:url => "<%= @foreman_url %>", # e.g. https://foreman.example.com
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:puppetdir => "<%= @puppet_home %>", # e.g. /var/lib/puppet
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:facts => <%= @facts %>, # true/false to upload facts
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:timeout => 10,
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# if CA is specified, remote Foreman host will be verified
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:ssl_ca => "<%= @ssl_ca -%>", # e.g. /var/lib/puppet/ssl/certs/ca.pem
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# ssl_cert and key are required if require_ssl_puppetmasters is enabled in Foreman
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:ssl_cert => "<%= @ssl_cert -%>", # e.g. /var/lib/puppet/ssl/certs/FQDN.pem
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:ssl_key => "<%= @ssl_key -%>" # e.g. /var/lib/puppet/ssl/private_keys/FQDN.pem
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}
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# Script usually acts as an ENC for a single host, with the certname supplied as argument
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# if 'facts' is true, the YAML facts for the host are uploaded
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# ENC output is printed and cached
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#
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# If --push-facts is given as the only arg, it uploads facts for all hosts and then exits.
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# Useful in scenarios where the ENC isn't used.
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### Do not edit below this line
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def url
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SETTINGS[:url] || raise("Must provide URL - please edit file")
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end
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def puppetdir
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SETTINGS[:puppetdir] || raise("Must provide puppet base directory - please edit file")
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end
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def stat_file(certname)
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FileUtils.mkdir_p "#{puppetdir}/yaml/foreman/"
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"#{puppetdir}/yaml/foreman/#{certname}.yaml"
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end
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def tsecs
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SETTINGS[:timeout] || 3
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end
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require 'etc'
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require 'net/http'
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require 'net/https'
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require 'fileutils'
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require 'timeout'
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def upload_all_facts
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Dir["#{puppetdir}/yaml/facts/*.yaml"].each do |f|
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certname = File.basename(f, ".yaml")
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upload_facts(certname, f)
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end
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end
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def upload_facts(certname, filename)
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# Temp file keeping the last run time
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stat = stat_file(certname)
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last_run = File.exists?(stat) ? File.stat(stat).mtime.utc : Time.now - 365*24*60*60
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last_fact = File.stat(filename).mtime.utc
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if last_fact > last_run
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fact = File.read(filename)
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begin
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uri = URI.parse("#{url}/fact_values/create?format=yml")
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req = Net::HTTP::Post.new(uri.request_uri)
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req.set_form_data('facts' => fact)
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res = Net::HTTP.new(uri.host, uri.port)
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res.use_ssl = uri.scheme == 'https'
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if res.use_ssl?
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if SETTINGS[:ssl_ca] && !SETTINGS[:ssl_ca].empty?
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res.ca_file = SETTINGS[:ssl_ca]
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res.verify_mode = OpenSSL::SSL::VERIFY_PEER
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else
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res.verify_mode = OpenSSL::SSL::VERIFY_NONE
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end
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if SETTINGS[:ssl_cert] && !SETTINGS[:ssl_cert].empty? && SETTINGS[:ssl_key] && !SETTINGS[:ssl_key].empty?
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res.cert = OpenSSL::X509::Certificate.new(File.read(SETTINGS[:ssl_cert]))
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res.key = OpenSSL::PKey::RSA.new(File.read(SETTINGS[:ssl_key]), nil)
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end
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end
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res.start { |http| http.request(req) }
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rescue => e
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raise "Could not send facts to Foreman: #{e}"
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end
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end
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end
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def cache(certname, result)
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File.open(stat_file(certname), 'w') {|f| f.write(result) }
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end
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def read_cache(certname)
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File.read(stat_file(certname))
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rescue => e
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raise "Unable to read from Cache file: #{e}"
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end
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def enc(certname)
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foreman_url = "#{url}/node/#{certname}?format=yml"
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uri = URI.parse(foreman_url)
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req = Net::HTTP::Get.new(uri.request_uri)
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http = Net::HTTP.new(uri.host, uri.port)
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http.use_ssl = uri.scheme == 'https'
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if http.use_ssl?
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if SETTINGS[:ssl_ca]
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http.ca_file = SETTINGS[:ssl_ca]
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http.verify_mode = OpenSSL::SSL::VERIFY_PEER
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else
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http.verify_mode = OpenSSL::SSL::VERIFY_NONE
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end
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if SETTINGS[:ssl_cert] and SETTINGS[:ssl_key]
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http.cert = OpenSSL::X509::Certificate.new(File.read(SETTINGS[:ssl_cert]))
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http.key = OpenSSL::PKey::RSA.new(File.read(SETTINGS[:ssl_key]), nil)
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end
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end
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res = http.start { |http| http.request(req) }
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raise "Error retrieving node #{certname}: #{res.class}" unless res.code == "200"
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res.body
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end
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# Actual code starts here
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# Setuid to puppet if we can
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begin
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Process::GID.change_privilege(Etc.getgrnam('puppet').gid) unless Etc.getpwuid.name == 'puppet'
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Process::UID.change_privilege(Etc.getpwnam('puppet').uid) unless Etc.getpwuid.name == 'puppet'
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rescue
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$stderr.puts "cannot switch to user 'puppet', continuing as '#{Etc.getpwuid.name}'"
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end
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begin
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no_env = ARGV.delete("--no-environment")
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if ARGV.delete("--push-facts")
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# push all facts files to Foreman and don't act as an ENC
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upload_all_facts
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else
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certname = ARGV[0] || raise("Must provide certname as an argument")
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# send facts to Foreman - enable 'facts' setting to activate
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# if you use this option below, make sure that you don't send facts to foreman via the rake task or push facts alternatives.
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#
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if SETTINGS[:facts]
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upload_facts certname, "#{puppetdir}/yaml/facts/#{certname}.yaml"
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end
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#
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# query External node
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begin
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result = ""
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timeout(tsecs) do
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result = enc(certname)
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cache(certname, result)
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end
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rescue TimeoutError, SocketError, Errno::EHOSTUNREACH, Errno::ECONNREFUSED
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# Read from cache, we got some sort of an error.
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result = read_cache(certname)
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ensure
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require 'yaml'
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yaml = YAML.load(result)
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if no_env
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yaml.delete('environment')
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end
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# Always reset the result to back to clean yaml on our end
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puts yaml.to_yaml
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end
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end
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rescue => e
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warn e
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exit 1
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end
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