![$list = ['a','b','c']
each($list) |$index, $value|
{
notice("${index} = ${value}")
}](https://image.slidesharecdn.com/20150613-self-puppetv4avoidingdragons-150616200658-lva1-app6892/85/20150613-self-puppet-v4-avoiding_dragons-24-320.jpg)
![Notice: Scope(Class[main]): 0 = a
Notice: Scope(Class[main]): 1 = b
Notice: Scope(Class[main]): 2 = c](https://image.slidesharecdn.com/20150613-self-puppetv4avoidingdragons-150616200658-lva1-app6892/85/20150613-self-puppet-v4-avoiding_dragons-25-320.jpg)
![['a','b','c'].each |$index, $value|
{
notice("${index} = ${value}")
}](https://image.slidesharecdn.com/20150613-self-puppetv4avoidingdragons-150616200658-lva1-app6892/85/20150613-self-puppet-v4-avoiding_dragons-26-320.jpg)
![Notice: Scope(Class[main]): 0 = a
Notice: Scope(Class[main]): 1 = b
Notice: Scope(Class[main]): 2 = c](https://image.slidesharecdn.com/20150613-self-puppetv4avoidingdragons-150616200658-lva1-app6892/85/20150613-self-puppet-v4-avoiding_dragons-27-320.jpg)
![# spec/spec_helper.rb
RSpec.configure do |config|
config.before :each do
Puppet[:parser] = 'future' if
ENV['PARSER'] == 'future'
end
end](https://image.slidesharecdn.com/20150613-self-puppetv4avoidingdragons-150616200658-lva1-app6892/85/20150613-self-puppet-v4-avoiding_dragons-39-320.jpg)
![Service ['nfs_service'] {
ensure => running,
enable => true,
hasstatus => true,
hasrestart => true,
}](https://image.slidesharecdn.com/20150613-self-puppetv4avoidingdragons-150616200658-lva1-app6892/85/20150613-self-puppet-v4-avoiding_dragons-43-320.jpg)
![Service['nfs_service'] {
ensure => running,
enable => true,
hasstatus => true,
hasrestart => true,
}](https://image.slidesharecdn.com/20150613-self-puppetv4avoidingdragons-150616200658-lva1-app6892/85/20150613-self-puppet-v4-avoiding_dragons-44-320.jpg)
20150613 self-puppet v4-avoiding_dragons
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This document discusses changes and improvements in Puppet 4, including moving to the JVM, new package locations, environment improvements, type improvements, template changes with EPP, new language features like lambdas, and recommendations for upgrading like setting up testing with Travis CI. It highlights potential breaking changes to watch out for such as changes to resource overrides, functions being removed or renamed, changes to error messages, and the removal of node inheritance.
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20150613 self-puppet v4-avoiding_dragons
- 1. Puppet v4 Avoiding Dragons GarrettHoneycutt [email protected] LearnPuppet.com @learnpuppet
- 2.
- 3. puppet-agent package fromPC1 augeas (1.3.0) ruby (2.1.6) cfacter (0.4.1) ruby-augeas (0.5.0) facter (2.4.4) ruby-selinux (2.0.94) hiera (2.0.1) ruby-shadow (2.3.3) marionette-collective (2.8.2) ruby-stomp (1.3.3) openssl (1.0.0r) rubygem-deep-merge (1.0.0) puppet (4.1.0) rubygem-net-ssh (2.1.4) virt-what (1.1.4)
- 4.
- 5.
- 6.
- 7. OSX <= 10.6 (snowleopard) RIP
- 8.
- 9.
- 10.
- 11. /opt/puppetlabs/puppet/bin Private programs forPuppet such as ruby and gem
- 12.
- 13.
- 14.
- 15. /etc/puppetlabs/code Hiera configuration Hiera data Staticmodules Environments
- 16.
- 17.
- 18. Facts are not allstrings
- 19. $ facter os--yaml --- os: name: CentOS family: RedHat release: major: '7' minor: '1' full: 7.1.1503
- 20. class foo ( $bar= true, ) { if is_string($bar) == true { $bar_real = str2bool($bar) } else { $bar_real = $bar } validate_bool($bar_real) }
- 21.
- 22.
- 23.
- 24. $list = ['a','b','c'] each($list)|$index, $value| { notice("${index} = ${value}") }
- 25. Notice: Scope(Class[main]): 0= a Notice: Scope(Class[main]): 1 = b Notice: Scope(Class[main]): 2 = c
- 26. ['a','b','c'].each |$index, $value| { notice("${index}= ${value}") }
- 27. Notice: Scope(Class[main]): 0= a Notice: Scope(Class[main]): 1 = b Notice: Scope(Class[main]): 2 = c
- 28.
- 29.
- 30. class foo ( $bar= true, ) { if is_string($bar) == true { $bar_real = str2bool($bar) } else { $bar_real = $bar } validate_bool($bar_real) }
- 31. class foo ( Boolean$bar = true, ) { # Remove all this code! # # if is_string($bar) == true { # $bar_real = str2bool($bar) # } else { # $bar_real = $bar # } # validate_bool($bar_real) }
- 32. String Integer, Float, andNumeric Boolean Array Hash Regexp Undef Default
- 33. Scalar Struct Collection Optional VariantCatalogentry Data Type Pattern Any Enum Callable Tuple
- 34.
- 35.
- 36.
- 37. common nscd rsyslog dnsclientnsswitch selinux facter ntp ssh hosts pam sysklogd inittab papertrail timezone localization puppet types nfs redhat utils nrpe rpcbind vim
- 38.
- 39. # spec/spec_helper.rb RSpec.configure do|config| config.before :each do Puppet[:parser] = 'future' if ENV['PARSER'] == 'future' end end
- 40. # .travis.yml env: matrix: - PUPPET_GEM_VERSION="~>3.1" - PUPPET_GEM_VERSION="~> 3.2" - PUPPET_GEM_VERSION="~> 3.3" - PUPPET_GEM_VERSION="~> 3.4" - PUPPET_GEM_VERSION="~> 3.5" - PUPPET_GEM_VERSION="~> 3.6" - PUPPET_GEM_VERSION="~> 3.7" - PUPPET_GEM_VERSION="~> 3.8" - PUPPET_GEM_VERSION="~> 3" PARSER="future" - PUPPET_GEM_VERSION="~> 4.0" - PUPPET_GEM_VERSION="~> 4.1" - PUPPET_GEM_VERSION="~> 4"
- 41. # .travis.yml --- language: ruby rvm: -2.1.0 sudo: false env: matrix: - PUPPET_GEM_VERSION="~> 3" PARSER="future" - PUPPET_GEM_VERSION="~> 4" script: 'bundle exec metadata-json-lint metadata.json && bundle exec rake validate && bundle exec rake lint && SPEC_OPTS="-- format documentation" bundle exec rake spec' matrix: fast_finish: true notifications: email: false
- 42.
- 43. Service ['nfs_service'] { ensure=> running, enable => true, hasstatus => true, hasrestart => true, }
- 44. Service['nfs_service'] { ensure =>running, enable => true, hasstatus => true, hasrestart => true, }
- 45.
- 46. Error: Illegal expression. A ReservedWord 'type' is unacceptable as function name
- 47.
- 48.
- 49. puppetlabs/stdlib >= 4.6.0< 6.0.0 v4.6.0 includes type3x()
- 50. validate_absolute_path() Now accepts arrays:) Broke my spec tests :(
- 51. Error codes changed slightly Brokemy spec tests :(
- 52. expected Puppet::Error with messagematching /^true is not a string/, got #<Puppet::Error: Evaluation Error: Error while evaluating a Function Call, true is not a string. It looks to be a TrueClass
- 53. Got rid of'^' in regex so it was not being as explicit.
- 54.
- 55. Must have @varinstead of just var. Check inline_template() too.
- 56.
- 57.
- 58. node common { includessh } node 'f.example.com' inherits common { include apache }
- 59. Upgrade Checklist * setupTravis (or equiv) * test * test * test
- 60. Puppet v4 Avoiding Dragons GarrettHoneycutt [email protected] LearnPuppet.com @learnpuppet