/usr/share/puppet/modules.available/openstacklib/lib/puppet/provider/openstack.rb is in puppet-module-openstacklib 9.4.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 | require 'csv'
require 'puppet'
require 'timeout'
class Puppet::Error::OpenstackAuthInputError < Puppet::Error
end
class Puppet::Error::OpenstackUnauthorizedError < Puppet::Error
end
class Puppet::Provider::Openstack < Puppet::Provider
initvars # so commands will work
commands :openstack_command => 'openstack'
@@no_retry_actions = %w(create remove delete)
@@command_timeout = 40
# Fails on the 5th retry for a max of 212s (~3.5min) before total
# failure.
@@request_timeout = 170
@@retry_sleep = 3
class << self
[:no_retry_actions, :request_timeout, :retry_sleep].each do |m|
define_method m do
self.class_variable_get("@@#{m}")
end
define_method :"#{m}=" do |value|
self.class_variable_set("@@#{m}", value)
end
end
end
# timeout the openstack command
# after this number of seconds
# retry the command until the request_timeout,
# unless it's a no_retry_actions call
def self.command_timeout(action=nil)
# give no_retry actions the full time limit to finish
return self.request_timeout() if no_retry_actions.include? action
self.class_variable_get("@@command_timeout")
end
# with command_timeout
def self.openstack(*args)
begin
action = args[1]
Timeout.timeout(command_timeout(action)) do
openstack_command *args
end
rescue Timeout::Error
raise Puppet::ExecutionFailure, "Command: 'openstack #{args.inspect}' has been running for more than #{command_timeout(action)} seconds"
end
end
# get the current timestamp
def self.current_time
Time.now.to_i
end
def self.request_without_retry(&block)
previous_timeout = self.request_timeout
rc = nil
if block_given?
self.request_timeout = 0
rc = yield
end
ensure
self.request_timeout = previous_timeout
rc
end
# Returns an array of hashes, where the keys are the downcased CSV headers
# with underscores instead of spaces
#
# @param options [Hash] Other options
# @options :no_retry_exception_msgs [Array<Regexp>,Regexp] exception without retries
def self.request(service, action, properties, credentials=nil, options={})
env = credentials ? credentials.to_env : {}
no_retry = options[:no_retry_exception_msgs]
Puppet::Util.withenv(env) do
rv = nil
end_time = current_time + request_timeout
start_time = current_time
retry_count = 0
loop do
begin
if action == 'list'
# shell output is:
# ID,Name,Description,Enabled
response = openstack(service, action, '--quiet', '--format', 'csv', properties)
response = parse_csv(response)
keys = response.delete_at(0)
rv = response.collect do |line|
hash = {}
keys.each_index do |index|
key = keys[index].downcase.gsub(/ /, '_').to_sym
hash[key] = line[index]
end
hash
end
elsif action == 'show' or action == 'create'
rv = {}
# shell output is:
# name="value1"
# id="value2"
# description="value3"
openstack(service, action, '--format', 'shell', properties).split("\n").each do |line|
# key is everything before the first "="
key, val = line.split('=', 2)
next unless val # Ignore warnings
# value is everything after the first "=", with leading and trailing double quotes stripped
val = val.gsub(/\A"|"\Z/, '')
rv[key.downcase.to_sym] = val
end
else
rv = openstack(service, action, properties)
end
break
rescue Puppet::ExecutionFailure => exception
raise Puppet::Error::OpenstackUnauthorizedError, 'Could not authenticate' if exception.message =~ /HTTP 40[13]/
if current_time > end_time
error_message = exception.message
error_message += " (tried #{retry_count}, for a total of #{end_time - start_time } seconds)"
raise(Puppet::ExecutionFailure, error_message)
end
raise exception if no_retry_actions.include? action
if no_retry
no_retry = [no_retry] unless no_retry.is_a?(Array)
no_retry.each do |nr|
raise exception if exception.message.match(nr)
end
end
debug "Non-fatal error: '#{exception.message}'. Retrying for #{end_time - current_time} more seconds"
sleep retry_sleep
retry_count += 1
retry
end
end
return rv
end
end
private
def self.parse_csv(text)
# Ignore warnings - assume legitimate output starts with a double quoted
# string. Errors will be caught and raised prior to this
text = text.split("\n").drop_while { |line| line !~ /^\".*\"/ }.join("\n")
return CSV.parse(text + "\n")
end
end
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