I'm trying to preprocess some version 3.x catalogs to eliminate some false
positives reported by 'puppet catalog diff'. I copied some code from the
catalog diff source, and have ended up with (extraneous details omitted):
#! /usr/bin/env ruby
require 'puppet/external/pson/pure'
require 'fileutils'
r = ARGV[0]
unless File.exist?(r)
raise "Cannot find resources in #{r}"
end
puts "Processing file: #{r}"
case File.extname(r)
when '.yaml'
hash = YAML.load(File.read(r))
when '.marshal'
hash = Marshal.load(File.read(r))
when '.pson'
hash = PSON.load(File.read(r))
when '.json'
hash = PSON.load(File.read(r))
else
raise "Provide catalog with the appropriate file extension, valid
extensions are pson, yaml and marshal"
end
puts hash
I have two test files that 'puppet catalog diff' can read successfully,
with the only difference being the presence of '\n':
[root@tstpuppet01 ~]# diff test_file1.pson test_file2.pson 13c13 <
"content": "#!/bin/sh\nPRETEND_NCM_SSH_TRUST_IS_VALID=YES\n", --- >
"content": "#!/bin/shPRETEND_NCM_SSH_TRUST_IS_VALID=YES",
'puppet catalog diff' can read both files without problems.
When I try to read these files with the code above, I get the following:
[root@tstpuppet01 ~]# /usr/bin/ruby
-I/opt/puppetlabs/puppet/lib/ruby/vendor_ruby ./preprocess.rb
test_file1.pson Using pure library for PSON. Processing file:
test_file1.pson Exception `NoMethodError' at
/opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/external/pson/pure/parser.rb:183
- undefined method `[]' for nil:NilClass Exception `PSON::GeneratorError'
at
/opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/external/pson/pure/parser.rb:201
- Caught NoMethodError: undefined method `[]' for nil:NilClass
/opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/external/pson/pure/parser.rb:183:in
`block in parse_string': Caught NoMethodError: undefined method `[]' for
nil:NilClass (PSON::GeneratorError) from
/opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/external/pson/pure/parser.rb:182:in
`gsub' from
/opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/external/pson/pure/parser.rb:182:in
`parse_string' from
/opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/external/pson/pure/parser.rb:216:in
`parse_value' from
/opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/external/pson/pure/parser.rb:280:in
`parse_object' from
/opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/external/pson/pure/parser.rb:225:in
`parse_value' from
/opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/external/pson/pure/parser.rb:280:in
`parse_object' from
/opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/external/pson/pure/parser.rb:225:in
`parse_value' from
/opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/external/pson/pure/parser.rb:246:in
`parse_array' from
/opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/external/pson/pure/parser.rb:220:in
`parse_value' from
/opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/external/pson/pure/parser.rb:280:in
`parse_object' from
/opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/external/pson/pure/parser.rb:225:in
`parse_value' from
/opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/external/pson/pure/parser.rb:280:in
`parse_object' from
/opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/external/pson/pure/parser.rb:92:in
`parse' from
/opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/external/pson/common.rb:125:in
`parse' from
/opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/external/pson/common.rb:259:in
`load' from ./preprocess.rb:21:in `<main>'
The file without '\n' reads OK:
[root@tstpuppet01 ~]# /usr/bin/ruby
-I/opt/puppetlabs/puppet/lib/ruby/vendor_ruby ./preprocess.rb
test_file2.pson
Using pure library for PSON.
Processing file: test_file2.pson
{"document_type"=>"Catalog", "data"=>{"resources"=>[{"type"=>"File",
"title"=>"/etc/opt/rim/develop.sh", "tags"=>["file", "class", "rimcdm"],
"file"=>"/etc/puppet/environments/trunk_9_4_0_0/modules/rimcdm/manifests/init.pp",
"line"=>219, "exported"=>false,
"parameters"=>{"content"=>"#!/bin/shPRETEND_NCM_SSH_TRUST_IS_VALID=YES",
"backup"=>"main"}}], "edges"=>[{"source"=>"Stage[main]",
"target"=>"Class[Settings]"}], "classes"=>["settings"]},
"metadata"=>{"api_version"=>1}}
Can anyone spot the difference between what 'puppet catalog diff' does to
read PSON, and what the code above does?
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