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#
# Copyright:: Copyright 2012-2019, 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 "uri" unless defined?(URI)
class Chef
class DataCollector
module ConfigValidation
class << self
def validate_server_url!
# if we have a server_url set we ALWAYS validate it, and we MUST have an output_location set to skip server_url validation
# (having output_locations set and no server_url is valid, but both of them unset blows up in here)
return if !Chef::Config[:data_collector][:server_url] && Chef::Config[:data_collector][:output_locations]
begin
uri = URI(Chef::Config[:data_collector][:server_url])
rescue
raise Chef::Exceptions::ConfigurationError, "Chef::Config[:data_collector][:server_url] (#{Chef::Config[:data_collector][:server_url]}) is not a valid URI."
end
if uri.host.nil?
raise Chef::Exceptions::ConfigurationError,
"Chef::Config[:data_collector][:server_url] (#{Chef::Config[:data_collector][:server_url]}) is a URI with no host. Please supply a valid URL."
end
end
def validate_output_locations!
# not having an output_location set at all is fine, we just skip it then
output_locations = Chef::Config[:data_collector][:output_locations]
return unless output_locations
# but deliberately setting an empty output_location we consider to be an error (XXX: but should we?)
if output_locations.empty?
raise Chef::Exceptions::ConfigurationError,
"Chef::Config[:data_collector][:output_locations] is empty. Please supply an hash of valid URLs and / or local file paths."
end
# loop through all the types and locations and validate each one-by-one
output_locations.each do |type, locations|
locations.each do |location|
validate_url!(location) if type == :urls
validate_file!(location) if type == :files
end
end
end
private
# validate an output_location file
def validate_file!(file)
open(file, "a") {}
rescue Errno::ENOENT
raise Chef::Exceptions::ConfigurationError,
"Chef::Config[:data_collector][:output_locations][:files] contains the location #{file}, which is a non existent file path."
rescue Errno::EACCES
raise Chef::Exceptions::ConfigurationError,
"Chef::Config[:data_collector][:output_locations][:files] contains the location #{file}, which cannnot be written to by Chef."
rescue Exception => e
raise Chef::Exceptions::ConfigurationError,
"Chef::Config[:data_collector][:output_locations][:files] contains the location #{file}, which is invalid: #{e.message}."
end
# validate an output_location url
def validate_url!(url)
URI(url)
rescue
raise Chef::Exceptions::ConfigurationError,
"Chef::Config[:data_collector][:output_locations][:urls] contains the url #{url} which is not valid."
end
end
end
end
end
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