On Wednesday, September 3, 2014 4:31:11 AM UTC-5, Fabrice Bacchella wrote:
>
> I'm trying to send an hash to a template.
>
> I'm calling a type with :
>
> supervisord::program{'hadoop.namenode':
> ...
> environment => {
> JAVA_HOME => "$javahome",
> HADOOP_HOME => "/data/hadoop/distrib",
> HADOOP_CONF_DIR => "/data/hadoop/config",
> HADOOP_LOG_DIR => "/data/hadoop/logs",
> JAVA_LIBRARY_PATH => "/data/hadoop/native",
> },
> }
>
> supervisord::program call a template that includes :
>
> environment = <% @environment.each do |name,
> value|%><%=name%>="<%=value%>",<% end %>
>
> but what I get is:
> environment =
> Hadoop_log_dir[]="/data/hadoop/logs",Hadoop_conf_dir[]="/data/hadoop/config",Java_home[]="/usr/java/latest",Hadoop_home[]="/data/hadoop/distrib",Java_library_path[]="/data/hadoop/native",
>
>
>
> If is use:
> environment => {
> "JAVA_HOME" => "$javahome",
> "HADOOP_HOME" => "/data/hadoop/distrib",
> "HADOOP_CONF_DIR" => "/data/hadoop/config",
> "HADOOP_LOG_DIR" => "/data/hadoop/logs",
> "JAVA_LIBRARY_PATH" => "/data/hadoop/native",
> },
>
> I get:
> environment = HADOOP_CONF_DIR="/data/hadoop/config",
> HADOOP_HOME="/data/hadoop/distrib", HADOOP_LOG_DIR="/data/hadoop/logs",
> JAVA_HOME="/usr/java/latest", JAVA_LIBRARY_PATH="/data/hadoop/native",
>
> It works. What's wrong with the first version ?
>
For bare words to be interpreted as strings, they must begin with a
lowercase letter. There are other restrictions
<https://docs.puppetlabs.com/puppet/latest/reference/lang_datatypes.html#bare-words>,
too. Yes, it's a bit weird -- in fact, I wasn't mindful of the initial
letter rule in this context until I looked into this matter, though I am
well aware of the flip side, that resource references must begin with
capital letters.
Bottom line: it's good practice to quote your strings.
John
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