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Chef Data Bags and dynamic variable passing

Tag: dynamic,data,chef,bag,databags

I am trying to figure out a way to get the below code work; I have tried various methods but the chef-client run breaks at the 3rd line.

lsf = "#{node[:env]}"+"_ls"
dsf = "#{node[:env]}"+"_ds"

dsTemplateBag = data_bag_item('configTemplates', "#{dsf}") 
lcTemplateBag = data_bag_item('configTemplates', "#{lsf}")

However on another test recipe I was able to successfully get the following working:

env = "test"

dsTemplateBag = data_bag_item('configTemplates', "#{env}")

I am quite new to Chef and please can someone advise me on how to get this working ?

Best How To :

After a little bit debugging I realised there was a typo preventing the data bag to be properly used; hence issue.

dsTemplateBag = data_bag_item('configTemplates', "#{node[:env]}_ls")

this worked for me. And as Tensibai suggested in the above comment mixing concatenation and interpolation is not a good practice (I was desperate to make it work! In my defense).

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powershell,input,data

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python,data,bluetooth,connect

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json,extjs,model-view-controller,dynamic

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java,string,data,transform,simpledateformat

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django,data,scikit-learn,analysis

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c#,wpf,button,dynamic,textbox

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javascript,data,google-analytics

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data,binding,polymer

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java,data,structure

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jquery,dynamic,replace,live

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c#,winforms,dynamic,parent

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c#,linq,dynamic,lambda

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tsql,data,pivot

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python,json,parsing,data

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java,data-structures,data

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javascript,json,meteor,data,startup

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javascript,json,mongodb,meteor,data

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python,data,matplotlib,analysis

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php,jquery,database,select,data

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javascript,dynamic,action,oracle-apex,lov

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c#,dynamic

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c#,dynamic,sharepoint-2010,submit-button,htmlbutton

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css,image,firefox,svg,data

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excel-vba,variables,dynamic

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matlab,data,integration,splines

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matlab,data,serial-port,fscanf

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javascript,html,dynamic

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javascript,arrays,object,dynamic

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php,sql,database,data,website

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python,list,csv,input,data

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javascript,jquery,html,css,dynamic

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java,android,user-interface,dynamic

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c#,linq,dynamic,reflection

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c#,.net,dynamic,visual-studio-2013

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javascript,jquery,data,tags

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python,data

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c#,dynamic,value

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api,data,monitoring,ambari

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java,spring,jpa,data

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java,database,database-design,data

If you can populate D via a single query, then back a view with that query and you're done (I'm pretty sure most popular sql servers don't allow, say, procedure backed views). Otherwise, yea, you'll have some process that turns data from a,b,c into d. That can be through stored...

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c,memory,dynamic,indirection

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javascript,angularjs,dynamic,angularjs-ng-repeat

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arrays,algorithm,dynamic,dynamic-programming

M[i, j] is max sum from 1 to i, with j adjacent 1s The answer we need is M[n, k] which can be computed as the max of 3 situations: a[i]=0 => S=M[i-1, j] a[i]=1 and a[i-1]=0 => S=M[i-2, j]+a[i] a[i]=1 and a[i-1]=1 => S=M[i-1, j-1]+a[i] so the recursive rule...

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android,dynamic,android-arrayadapter,android-spinner

@Haresh Chhelana example is good, However if you want to show both name and code in spinner after selecting, check this out. List<Map<String, String>> items = new ArrayList<Map<String, String>>(); for (int i = 0; i < JA.length(); i++) { json = JA.getJSONObject(i); mapData = new HashMap<String, String>(); mapData.put("name", json.getString("Name")); mapData.put("code",...

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apache,.htaccess,dynamic,hyperlink,http-status-code-404

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Can I dynamically set the recipient of mailto: using only HTML and JavaScript depending on URL used to access the site?

javascript,html,email,dynamic,mailto

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php,html,mysql,table,data

Note: You can just make a single file out of it to achieve your wanted output Use mysql_real_escape_string() to sanitize the passed-on value to prevent SQL injections You should use mysqli_* instead of the deprecated mysql_* API Form them in a single file like this (display.php): <html> <form method="post" name="display"...

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actionscript-3,flash,variables,dynamic

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r,data,data-cleansing

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ios,xcode,data,store

As the first comment says, your question is quite large. When you say 'one form on several view', I consider it as 'one form per view'. Keep It Simple S... ;) (Except if you use page control for your form.) Basically, you have three ways to store data : NSUserDefaults...