augeas for setting URIEncoding variable in tomcat, server.xml file.

[Pradeep Reddy]

Hi Team,

I am using below info in my manifest.  URIEncoding="UTF-8" is not present in server.xml.  Trying to inject URIEncoding using below augeas syntax.

 augeas { 'update_server.xml':

    lens            => 'Xml.lns',

    incl             => "/opt/apphome/apache-tomcat-7.0.53/conf/server.xml",

    context        => '/opt/apphome/apache-tomcat-7.0.53/conf/server.xml'/Connector port="8080"',

    changes       => flatten([

      "set Server/Service/Connector[1][#attribute/redirectport='8443']/#attribute/URIEncoding UTF-8",]),

  }

After executing getting below information.  URIEncoding="UTF-8" is not getting appended in server.xml.

Could someone please check and let me know, wehther i am using a wrong syntax.

Debug: Augeas[update_server.xml](provider=augeas): Opening augeas with root /, lens path , flags 64

Debug: Augeas[update_server.xml](provider=augeas): Augeas version 1.0.0 is installed

Debug: Augeas[update_server.xml](provider=augeas): Will attempt to save and only run if files changed

Debug: Augeas[update_server.xml](provider=augeas): sending command 'set' with params ["\"${brand::tomcat_installdir}/${brand::tomcat_version}/conf/server.xml\"/Connector port=\"8080\"/Server/Service/Connector[1][#attribute/redirectport='8443']/#attribute/URIEncoding", "UTF-8"]

Debug: Augeas[update_server.xml](provider=augeas): Skipping because no files were changed

Debug: Augeas[update_server.xml](provider=augeas): Closed the augeas connection

Regards,

Pradeeo.

[Kenton Brede]

Try something like this:

augeas { 'update_server.xml':
  lens        => 'Xml.lns',

  context   => '/files/opt/apphome/apache-tomcat-7.0.53/conf/server.xml/Server/Service/Connector[*]/#attribute/',   
  incl         => "/opt/apphome/apache-tomcat-7.0.53/conf/server.xml",
  changes => ['ins URIEncoding after port[. = "8080"]',
                       'set URIEncoding UTF-8',
  ],   
}

The "context" is actually the path as augeas sees it.  I wildcarded "Connector" because there can be more than one.  For example "Connector[1]" and "Connector[2]."

For "changes" its actually doing this:

Insert URIEncoding after, Connector with "port="8080", and set URIEncoding to UTF-8.

It helps to use augtool if you haven't.  Try something like:

$ augtool --transform "Xml.lns incl /opt/apphome/apache-tomcat-7.0.53/conf/server.xml"

augtool> print /files/opt/apphome/apache-tomcat-7.0.53/conf/server.xml
augtool> print /files/opt/apphome/apache-tomcat-7.0.53/conf/server.xml/Server/Service/Connector[*]

Kent

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[Pradeep Reddy]

Thx Kent.

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[Kenton Brede]

And that's not going to work so hot because you're going to keep getting this on every run:

Error: /Stage[main]/Test_module/Augeas[update_server.xml]: Could not evaluate: Saving failed, see debug

To avoid this you can use an "onlyif." 

onlyif  => 'match URIEncoding[. = "UTF-8"] size == 0',

This will match any URIEncoding="UTF-8" in any "Connector" section.  So it won't work properly if you already have URIEncoding="UTF-8" defined for another "Connector."

What a person needs to do is match port="8080" and URIEncoding="UTF-8."  But I'm pressed for time and need to get going.

Hopefully this will get you down the road a bit further.  Someone else may chime in here with a better solution.

Kent

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Kent Brede