nginx_configure.rb
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#
# Author:: Earth U (<sysadmin @ chromedia.com>)
# Cookbook Name:: cfe-nginx-php-fpm
# Recipe:: nginx_configure
#
# Copyright 2016, Chromedia Far East, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Create necessary directories
inc_dir = node['cfe-nginx-php-fpm']['nginx']['inc_dir']
priv_dir = node['cfe-nginx-php-fpm']['nginx']['priv_dir']
[ inc_dir, priv_dir ].each do |ndir|
directory ndir do
recursive true
end
end
# The restrictions file containing default rules for virtual servers.
path_rest = "#{inc_dir}/inc_restrictions"
restfa = node['cfe-nginx-php-fpm']['nginx']['restriction_file']
template path_rest do
action :create_if_missing
mode 0644
variables(
:log_robots => restfa['log_robots'],
:log_hidden => restfa['log_hidden'],
:log_static => restfa['log_static'],
:static_types => restfa['static_types']
)
end
# Generate config files for each virtual server.
catch_all_def_false = node['cfe-nginx-php-fpm']['nginx']['sites'].length > 1
node['cfe-nginx-php-fpm']['nginx']['sites'].each do |site|
if site.is_a?(Array)
site_sname = site[0]
site = site[1]
else
site_sname = site[:server_name]
end
# Assign default values to attributes
site_index = site[:index] || nil
site_aliases = site[:aliases] || []
site_doc_root = site[:doc_root] || nil
site_alo = site[:access_log_options] || nil
site_ssl = site[:ssl] || nil
site_auth = site[:auth] || nil
site_ins = site[:init_statements] || []
site_ss1 = site[:server_statements_1] || []
site_ss2 = site[:server_statements_2] || []
temp_catch_all = site.has_key?(:catch_all) ? site[:catch_all] : true
site_catch_all = catch_all_def_false ? false : temp_catch_all
site_types = ( site[:types] || [] ).uniq { |e| e[:type] }
site_aheads = site[:add_headers] || {
'X-Frame-Options' => 'SAMEORIGIN',
'X-Content-Type-Options' => 'nosniff',
'X-XSS-Protection' => '"1; mode=block"',
'X-Permitted-Cross-Domain-Policies' => 'none'
}
# If TLS/SSL is enabled, configure it:
if site_ssl
if site_ssl[:letsencrypt]
le_base_dir = site_ssl[:le_base_dir] || '/etc/letsencrypt/live'
le_sub_dir = site_ssl[:le_sub_dir] || site_sname
path_crt = "#{le_base_dir}/#{le_sub_dir}/fullchain.pem"
path_key = "#{le_base_dir}/#{le_sub_dir}/privkey.pem"
else
path_crt = "#{priv_dir}/#{site_sname}.crt"
path_key = "#{priv_dir}/#{site_sname}.key"
if site_ssl[:cert].nil?
Chef::Log.error('Missing SSL certificate')
raise 'Missing SSL certificate'
end
if site_ssl[:key].nil?
Chef::Log.error('Missing SSL key file')
raise 'Missing SSL key file'
end
file path_crt do
mode 0644
content site_ssl[:cert]
sensitive true
action :create_if_missing
end
file path_key do
mode 0644
content site_ssl[:key]
sensitive true
action :create_if_missing
end
end
# Configure a high modulus DH param
path_dhparam = "#{priv_dir}/#{site_sname}.dhparam"
dh_modulus = site_ssl[:dh_modulus] || 4096
execute "openssl dhparam -out #{path_dhparam} #{dh_modulus}" do
not_if { ::File.exist?(path_dhparam) }
end
else
path_crt = ''
path_key = ''
path_dhparam = ''
end
# If basic auth is enabled, create htpasswd file
if site_auth
path_pass = "#{priv_dir}/#{site_sname}.htpasswd"
site_auth[:users].each do |auser, apass|
execute "Generate #{path_pass}" do
command "printf \"#{auser}:"\
"$( openssl passwd -apr1 '#{apass}' )"\
"\\n\" >> #{path_pass}"
action :run
sensitive true
not_if { ::File.exist?(path_pass) }
end
end
else
path_pass = ''
end
site_includes = [path_rest]
upstreams = []
# upstreams element:
# {
# :name => 'string',
# :servers => [
# '127.0.0.1:9000',
# '/var/run/php-fpm.sock'
# ]
# }
# Create necessary include files for each type of this site
site_types.each do |stype|
stype_subp = stype[:subpath] ? stype[:subpath].gsub(/^\/+|\/+$|\s/, '') : ''
stype_subp = stype_subp.length > 0 ? "#{stype_subp}/" : stype_subp
stype_ads = stype[:add_statements] || []
stype_ups = stype[:upstream_name] ||
"#{stype[:type]}_#{site_sname.gsub('.', '_')}"
upstreams.push( {
:name => stype_ups,
:servers => stype[:upstream_servers] || []
} )
case stype[:type]
# BASIC PHP SITE
when 'basic'
stype_intererror = stype.has_key?(:fastcgi_intercept_errors) ?
stype[:fastcgi_intercept_errors] : false
template "#{inc_dir}/inc_type_basic_#{site_sname}" do
source 'inc_type_basic.erb'
mode 0644
action :create_if_missing
variables(
:index => site_index,
:subpath => stype_subp,
:upstream_name => stype_ups,
:add_statements => stype_ads,
:fastcgi_intercept_errors => stype_intererror
)
end
site_includes.push("#{inc_dir}/inc_type_basic_#{site_sname}")
# STANDARD WORDPRESS SITE
when 'wordpress'
stype_intererror = stype.has_key?(:fastcgi_intercept_errors) ?
stype[:fastcgi_intercept_errors] : false
template "#{inc_dir}/inc_type_wordpress_#{site_sname}" do
source 'inc_type_wordpress.erb'
mode 0644
action :create_if_missing
variables(
:index => site_index,
:subpath => stype_subp,
:upstream_name => stype_ups,
:add_statements => stype_ads,
:loginpage_statements => stype[:loginpage_statements] || [],
:fastcgi_intercept_errors => stype_intererror
)
end
site_includes.push("#{inc_dir}/inc_type_wordpress_#{site_sname}")
# REVERSE PROXY WEBSERVER
when 'webserver'
template "#{inc_dir}/inc_type_webserver_#{site_sname}" do
source 'inc_type_webserver.erb'
mode 0644
action :create_if_missing
variables(
:subpath => stype_subp,
:upstream_name => stype_ups,
:add_statements => stype_ads
)
end
site_ins.push("map $http_upgrade $connection_upgrade {\n"\
" default upgrade;\n"\
" '' close;\n"\
"}")
site_includes.push("#{inc_dir}/inc_type_webserver_#{site_sname}")
else
Chef::Log.error("Unknown site type: #{stype[:type]}")
raise 'Unknown site type'
end
end
# Create the main config file for this site
template "#{node['nginx']['dir']}/sites-available/#{site_sname}" do
source 'nginx_site.conf.erb'
action :create_if_missing
mode 0644
notifies :restart, 'service[nginx]', :delayed
variables(
:server_name => site_sname,
:aliases => site_aliases,
:doc_root => site_doc_root,
:index => site_index,
:ssl => site_ssl,
:auth => site_auth,
:access_log_options => site_alo,
:catch_all => site_catch_all,
:path_crt => path_crt,
:path_key => path_key,
:path_pass => path_pass,
:path_dhparam => path_dhparam,
:upstreams => upstreams,
:includes => site_includes,
:init_statements => site_ins,
:add_headers => site_aheads,
:server_statements_1 => site_ss1,
:server_statements_2 => site_ss2,
:log_dir => node['nginx']['log_dir']
)
end
nginx_site site_sname do
enable true
end
end