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app.rb
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# --
# Author:: Tyler Cloke ([email protected])
# Author:: Stephen Delano ([email protected])
# Author:: Seth Chisamore ([email protected])
# Author:: Lamont Granquist ([email protected])
# Copyright:: Copyright (c) 2010-2017 Chef Software, Inc.
# License:: Apache License, Version 2.0
#
# 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.
#
require 'sinatra'
require 'sinatra/config_file'
require 'sinatra/cors'
require 'sinatra/param'
require 'json'
require 'pp'
require 'logger'
require 'statsd'
require 'trashed'
require 'trashed/reporter'
require 'chef/version'
require 'platform_dsl'
require 'dist'
require 'mixlib/versioning'
require 'mixlib/install'
require 'chef/cache'
require 'chef/version_resolver'
class Omnitruck < Sinatra::Base
register Sinatra::ConfigFile
register Sinatra::Cors
helpers Sinatra::Param
config_file ENV['OMNITRUCK_YAML'] || './config/config.yml'
class InvalidChannelName < StandardError; end
configure do
# CORS support
set :allow_origin, "*"
set :allow_methods, "GET"
set :allow_headers, "content-type,if-modified-since"
set :raise_errors, false
set :show_exceptions, false
enable :logging
set :logging, nil
logger = Logger.new STDOUT
logger.level = Logger::INFO
logger.datetime_format = '%a %d-%m-%Y %H%M '
set :logging, logger
reporter = Trashed::Reporter.new
reporter.logger = logger
reporter.statsd = Statsd.new('localhost', 8125)
use Trashed::Rack, reporter
end
configure :development, :test do
set :raise_errors, true # needed to get accurate backtraces out of rspec
end
#########################################################################
# BEGIN LEGACY REDIRECTS
#
# These routes existed at a time when Omnitruck did not support 1..n
# projects. Any new applications should use the project-based variant
# which each of these internally redirect to.
#
#########################################################################
{
'/download' => '/chef/download',
'/metadata' => '/chef/metadata',
'/download-server' => '/chef-server/download',
'/metadata-server' => '/chef-server/metadata',
'/full_client_list' => '/chef/packages',
'/full_list' => '/chef/packages',
'/full_server_list' => '/chef-server/packages',
'/chef/full_client_list' => '/chef/packages',
'/chef/full_list' => '/chef/packages',
'/chef/full_server_list' => '/chef-server/packages',
'/metadata-chefdk' => '/chefdk/metadata',
'/download-chefdk' => '/chefdk/download',
'/chef_platform_names' => '/platforms',
'/chef_server_platform_names' => '/platforms',
'/chef/chef_platform_names' => '/platforms',
'/chef/chef_server_platform_names' => '/platforms',
'/chef/metadata-chefdk' => '/chefdk/metadata',
'/chef/download-chefdk' => '/chefdk/download',
'/chef/metadata-container' => '/container/metadata',
'/chef/download-container' => '/container/download',
'/chef/metadata-angrychef' => '/angrychef/metadata',
'/chef/download-angrychef' => '/angrychef/download',
'/chef/download-server' => '/chef-server/download',
'/chef/metadata-server' => '/chef-server/metadata',
}.each do |(legacy_endpoint, endpoint)|
get(legacy_endpoint) do
status, headers, body = call env.merge("PATH_INFO" => endpoint)
[status, headers, body]
end
end
client = OmnitruckDist::CLIENT_NAME
get "/#{client}/install.msi" do
# default to 32-bit architecture for now
redirect to("/stable/#{client}/download?p=windows&pv=2008r2&m=i386")
end
get '/install.msi' do
# default to 32-bit architecture for now
redirect to("/stable/#{client}/download?p=windows&pv=2008r2&m=i386")
end
get "/full_:project\\_list" do
status, headers, body = call env.merge("PATH_INFO" => "/#{project}/packages")
[status, headers, body]
end
get '/:project\\_platform_names' do
status, headers, body = call env.merge("PATH_INFO" => "/#{project}/platforms")
[status, headers, body]
end
get /(?<channel>\/[\w]+)?\/(?<project>[\w-]+)\/versions\/?$/ do
pass unless project_allowed(project)
redirect_url = "/#{channel}/#{project}/packages"
redirect_url += "?v=#{params['v']}" unless params['v'].nil?
redirect redirect_url, 302
end
get /(?<channel>\/[\w]+)?\/(?<project>[\w-]+)\/platforms/ do
pass unless project_allowed(project)
redirect '/platforms', 302
end
#########################################################################
# END LEGACY REDIRECTS
#########################################################################
#
# Serve up the installer script
#
get /install\.(?<extension>[\w]+)/ do
param :extension, String, required: true
case params['extension']
when 'sh'
content_type :sh
prepare_install_sh
when 'ps1'
content_type :txt
prepare_install_ps1
else
halt 404
end
end
#
# Handling specific exceptions raised
#
[
Chef::VersionResolver::InvalidDownloadPath,
Chef::VersionResolver::InvalidPlatform,
Chef::Cache::MissingManifestFile,
InvalidChannelName
].each do |exception_class|
error exception_class do
status 404
env['sinatra.error']
end
end
#########################################################################
# Endpoints
#########################################################################
get /(?<channel>\/[\w]+)?\/(?<project>[\w-]+)\/download\/?$/ do
param :channel, String, default: 'stable'
param :project, String, in: Chef::Cache::KNOWN_PROJECTS, required: true
param :p, String, required: true
param :pv, String, required: true
param :m, String, required: true
# Get package information
package_info = get_package_info
# Grab org url
original_url = package_info["url"]
# Debug output of original URL
# puts "Debug Info - Original URL: #{original_url}"
# amazon 2 rewrite nonsense
if original_url.include?("/amazon/2023/") && params[:pv] == "2"
# Rewrite the URL for Amazon Linux 2
rewritten_url = original_url
.gsub(/\/amazon\/2023\//, "/amazon/2/")
.gsub(/.amazon2023/, ".amazon2")
# uncomment for debug
# puts "Debug Info - Rewritten URL: #{rewritten_url}"
redirect rewritten_url
else
# Redirect to the original URL if no rewrite needed
redirect original_url
end
end
# another dirty hack to handle amazon 2, and how the commercial downloads api handles / uses the metadata. All this needs to be rewritten to include amazon2 as a valid platform.
get /(?<channel>\/[\w]+)?\/(?<project>[\w-]+)\/metadata\/?$/ do
# Legacy params which affect the default channel
param :prerelease, Boolean
param :nightlies, Boolean
param :channel, String, default: lambda {
if params['prerelease'] || params['nightlies']
'current'
else
'stable'
end
}
param :project, String, in: Chef::Cache::KNOWN_PROJECTS, required: true
param :p, String, required: true
param :pv, String, required: true
param :m, String, required: true
# Get package information
package_info = get_package_info
# Original URL from package info
original_url = package_info["url"]
# Check if the URL needs to be rewritten for Amazon Linux 2
if original_url.include?("/amazon/2023/") && params[:pv] == "2"
# Rewrite the URL for Amazon Linux 2
rewritten_url = original_url
.gsub(/\/amazon\/2023\//, "/amazon/2/")
.gsub(/-amazon2023/, "-amazon2")
.gsub(/.amazon2023/, ".amazon2")
# Update the package_info with the rewritten URL
package_info["url"] = rewritten_url
# Debug output of the rewritten URL
puts "Debug Info - Rewritten Metadata URL: #{rewritten_url}"
end
# Respond with the updated package stuff
if request.accept? 'text/plain'
parse_plain_text(package_info)
else
content_type :json
JSON.pretty_generate(package_info)
end
end
get /(?<channel>\/[\w]+)?\/(?<project>[\w-]+)\/packages\/?$/ do
param :channel, String, default: 'stable'
param :project, String, in: Chef::Cache::KNOWN_PROJECTS, required: true
param :flatten, Boolean
content_type :json
package_list_info = params['flatten'] ? get_flattened_package_list : get_package_list
JSON.pretty_generate(package_list_info)
end
get /(?<channel>\/[\w]+)?\/(?<project>[\w-]+)\/versions\/all/ do
param :channel, String, default: 'stable'
param :project, String, in: Chef::Cache::KNOWN_PROJECTS, required: true
content_type :json
JSON.pretty_generate(available_versions)
end
get /(?<channel>\/[\w]+)?\/(?<project>[\w-]+)\/versions\/latest/ do
param :channel, String, required: true
param :project, String, in: Chef::Cache::KNOWN_PROJECTS, required: true
content_type :json
JSON.pretty_generate(available_versions.last)
end
get /architectures/ do
content_type :json
JSON.pretty_generate(
Mixlib::Install::Options::SUPPORTED_ARCHITECTURES
)
end
get /platforms/ do
content_type :json
JSON.pretty_generate({
"aix" => "AIX",
"amazon" => "Amazon Linux",
"el" => "Red Hat Enterprise Linux/CentOS",
"debian" => "Debian GNU/Linux",
"freebsd" => "FreeBSD",
"ios_xr" => "Cisco IOS-XR",
"mac_os_x" => "macOS",
"nexus" => "Cisco NX-OS",
"ubuntu" => "Ubuntu Linux",
"rocky" => "Rocky Linux",
"solaris2" => "Solaris",
"sles" => "SUSE Linux Enterprise Server",
"suse" => "openSUSE",
"windows" => "Windows"
})
end
#
# Status endpoint used by nagios to check on the app.
#
get '/_status' do
content_type :json
JSON.pretty_generate({
:timestamp => cache.last_modified_for(client, 'stable')
})
end
get '/_healthz' do
# used for liveness probe - so need to return anything
halt 204
end
get '/_version' do
JSON.pretty_generate(:version => "0.1.36")
end
get '/products' do
content_type :json
JSON.pretty_generate(Chef::Cache::KNOWN_PROJECTS)
end
#########################################################################
# Helper Methods
#########################################################################
#
# Returns the instance of Chef::Cache that app is using
#
def cache
@cache ||= Chef::Cache.new()
end
#
# Returns if the given project is known by the app.
#
# @parameter [String] project
# Name of the project.
#
# @return [Boolean]
# true if the project is known, false otherwise.
#
def project_allowed(project)
Chef::Cache::KNOWN_PROJECTS.include? project
end
#
# Returns the name of the channel current request is pointing to.
#
# @return [String]
# Name of the channel.
#
def channel
params['channel'].gsub('/','')
end
#
# Returns the name of the project current request is pointing to.
#
# @return [String]
# Name of the project.
#
def project
params['project'].gsub('_', '-')
end
#
# Returns the available versions for a project and channel
#
# @return [Array]
# List of available version strings
#
def available_versions
Mixlib::Install.available_versions(project, channel)
end
#
# Returns the information for a single package in the form of a Hash.
#
# @example {
# url: "",
# sha1: "",
# sha256: "",
# version: ""
# }
#
# @return [Hash]
#
def get_package_info
# Set params to variables that may be modified
current_project = project
current_platform = params['p']
current_platform_version = params['pv']
current_arch = params['m']
current_version = params['v']
# Create VersionResolver here to take advantage of #parse_version_string
opscode_version = Chef::VersionResolver.new(
current_version,
cache.manifest_for(current_project, channel),
channel,
current_project
).target_version
# Set ceiling version if nil in place of latest version. This makes comparisons easier.
opscode_version = Opscode::Version.parse('999.999.999') if opscode_version.nil?
# Windows artifacts require special handling (as before)
current_arch = if params["p"] == "windows" &&
(current_arch.nil? || current_arch.empty? || current_arch == "i686")
"i386"
else
case current_arch
when *%w{ arm64 aarch64 } then 'aarch64'
when *%w{ x86_64 amd64 x64 } then 'x86_64'
when *%w{ i386 x86 i86pc i686 } then 'i386'
when *%w{ sparc sun4u sun4v } then 'sparc'
else current_arch
end
end
# Output current environment details for debugging purposes
# puts "*****************"
# puts "Current Project: #{current_project}"
# puts "Current Platform: #{current_platform}"
# puts "Current Platform Version: #{current_platform_version}"
# puts "Current Architecture: #{current_arch}"
# puts "Current Version: #{current_version}"
# puts "*****************"
remap_to_el = false
# Handle SLES/SUSE as before (this section remains unchanged)
if %{sles suse opensuse-leap}.include?(current_platform) && current_arch != "s390x"
current_platform = 'sles'
native_sles_project_version = OmnitruckDist::SLES_PROJECT_VERSIONS
sles_project_version = native_sles_project_version[current_project]
remap_to_el = true if sles_project_version.nil? || opscode_version < Opscode::Version.parse(sles_project_version)
end
# Amazon-specific logic, this is so dirty, needs cleaning.
if current_platform == "amazon" && current_platform_version == "2"
product_version_threshold = Opscode::Version.parse("15.10.12")
puts "Requested product version: #{opscode_version}"
if opscode_version >= product_version_threshold
puts "Requested version is >= 15.10.12. Keeping platform as Amazon with version 2."
current_platform = "amazon"
current_platform_version = "2"
remap_to_el = false # Ensure remap_to_el is disabled for Amazon Linux 2 and versions >= 15.10.12
else
puts "Requested version is < 15.10.12. Remapping to EL."
remap_to_el = true
end
end
# Only remap to EL if remap_to_el is true, and it isn't Amazon Linux 2 with version >= 15.10.12
if remap_to_el
current_platform_version = if current_platform == "amazon" && current_platform_version == "2"
"7"
else
current_platform_version.to_f <= 11 ? "5" : "6"
end
current_platform = "el"
end
# Handle automate/delivery based on version
if %w{automate delivery}.include?(project)
current_project = opscode_version < Opscode::Version.parse('0.7.0') ? 'delivery' : 'automate'
end
# Return the package info using the updated current values
Chef::VersionResolver.new(
current_version,
cache.manifest_for(current_project, channel),
channel,
current_project
).package_info(current_platform, current_platform_version, current_arch)
end
#
# Returns information about all available packages for a version.
# version is either provided or calculated from the supported parameters.
#
# @example
# {
# "ubuntu": {
# "12.04": {
# "i686": {
# "url": "...",
# ...
# },
# "x86_64": {
# "url": "...",
# ...
# }
# },
# "10.04": {
# ...
# }
# },
# "windows": {
# ...
# }
# ...
# }
#
# @return [Hash]
#
def get_package_list
Chef::VersionResolver.new(params['v'], cache.manifest_for(project, channel), channel, project).package_list
end
#
# Returns information about all available packages for a version in
# a flattened form.
#
# @example
# {
# "ubuntu": [
# {"platform_version": "12.04",
# "architecture": "i686",
# "url": "...",
# ...
# },
# {"platform_version": "12.04",
# "architecture": "x86_64",
# "url": "...",
# ...
# },
# ...
# ],
# "windows": [
# ...
# ]
# ...
# }
#
# @return [Hash]
#
def get_flattened_package_list
get_package_list.transform_values do |v|
v.each_with_object([]) do |(platform_version, architecture_hash), package_array|
package_array << architecture_hash.map do |architecture, package|
package['architecture'] = architecture
package['platform_version'] = platform_version
package
end
end.flatten
end
end
#
# Parses given data into plain text.
#
# @parameter [Hash] data
#
# @return [String]
# Each key and value is separated by `\t` and each pair is separated
# by `\n`.
#
def parse_plain_text(data)
output = [ ]
data.each do |key, value|
output << "#{key}\t#{value}"
end
output.join("\n")
end
#
# Returns the install.sh script to be returned
#
# @return [String]
# Contents of the install.sh script
#
def prepare_install_sh
Mixlib::Install.install_sh(base_url: url(settings.virtual_path).chomp('/'))
end
#
# Returns the install.ps1 script to be returned
#
# @return [String]
# Contents of the install.ps1 script
#
def prepare_install_ps1
Mixlib::Install.install_ps1(base_url: url(settings.virtual_path).chomp('/'))
end
end