Puppet Use of 'hiera.yaml' version 3 is deprecated. It should be converted to version 5

Question

In Centos 7 with Puppet v4.9.2, trying to install java and tomcat. When i run the apply command. it giving the warning message.

Any help to resolvethis warning message?

node 'webserver' {          
        class { 'java' :
                distribution  => 'jdk',
                package       => 'java-1.8.0-openjdk-devel'
        }

        tomcat::install { '/opt/tomcat9':
                source_url => 'http://apache.osuosl.org/tomcat/tomcat-9/v9.0.0.M17/bin/apache-tomcat-9.0.0.M17.tar.gz',
        }
        tomcat::instance { 'tomcat9-1':
                catalina_home => '/opt/tomcat9',
                 catalina_base => '/opt/tomcat9/1',
        }
}

Message

Warning: /etc/puppetlabs/puppet/hiera.yaml: Use of 'hiera.yaml' version 3 is deprecated. It should be converted to version 5
   (in /etc/puppetlabs/puppet/hiera.yaml)
Warning: This method is deprecated, please use the stdlib validate_legacy function, with Pattern[]. There is further documentation for validate_legacy function in the README. at ["/etc/puppetlabs/code/environments/production/modules/java/manifests/init.pp", 54]:
   (at /etc/puppetlabs/code/environments/production/modules/stdlib/lib/puppet/functions/deprecation.rb:25:in `deprecation')
Warning: This method is deprecated, please use the stdlib validate_legacy function, with Stdlib::Compat::Bool. There is further documentation for validate_legacy function in the README. at ["/etc/puppetlabs/code/environments/production/modules/tomcat/manifests/init.pp", 40]:["/etc/puppetlabs/code/environments/production/modules/tomcat/manifests/install.pp", 20]
   (at /etc/puppetlabs/code/environments/production/modules/stdlib/lib/puppet/functions/deprecation.rb:25:in `deprecation')
Warning: This method is deprecated, please use the stdlib validate_legacy function, with Stdlib::Compat::Absolute_Path. There is further documentation for validate_legacy function in the README. at ["/etc/puppetlabs/code/environments/production/modules/concat/manifests/init.pp", 70]:
   (at /etc/puppetlabs/code/environments/production/modules/stdlib/lib/puppet/functions/deprecation.rb:25:in `deprecation')
Warning: This method is deprecated, please use the stdlib validate_legacy function, with Stdlib::Compat::String. There is further documentation for validate_legacy function in the README. at ["/etc/puppetlabs/code/environments/production/modules/concat/manifests/init.pp", 71]:
   (at /etc/puppetlabs/code/environments/production/modules/stdlib/lib/puppet/functions/deprecation.rb:25:in `deprecation')
Warning: This method is deprecated, please use match expressions with Stdlib::Compat::String instead. They are described at https://docs.puppet.com/puppet/latest/reference/lang_data_type.html#match-expressions. at ["/etc/puppetlabs/code/environments/production/modules/concat/manifests/init.pp", 72]:
   (at /etc/puppetlabs/code/environments/production/modules/stdlib/lib/puppet/functions/deprecation.rb:25:in `deprecation')
Warning: This method is deprecated, please use match expressions with Stdlib::Compat::Bool instead. They are described at https://docs.puppet.com/puppet/latest/reference/lang_data_type.html#match-expressions. at ["/etc/puppetlabs/code/environments/production/modules/concat/manifests/init.pp", 82]:
   (at /etc/puppetlabs/code/environments/production/modules/stdlib/lib/puppet/functions/deprecation.rb:25:in `deprecation')
Notice: Compiled catalog for webserver in environment production in 0.66 seconds

Thanks Sr

Answer 1

As Matt pointed out I need to conver my yaml file to version 5.

https://docs.puppet.com/puppet/4.9/hiera_config_yaml_5.html

I have updated like below. now I don't get this warnning.

version: 5
hierarchy:
  - name: Common
    path: common.yaml
defaults:
  data_hash: yaml_data
  datadir: data

thanks for the help. Sr