I've got an optional attribute on my nodes. I want my template to only set a specific value if that attribute exists:
<% if node['haproxy']['server']['backup'] %>
server <%= node['haproxy']['server']['backup']['hostname'] %> <%= node['haproxy']['server']['backup']['ipaddress'] %>:<%= node['mysql']['port'] %> weight 1 maxconn 100 check
<% end %>
This looks good to me but when I run it I'm getting the following error:
Chef::Mixin::Template::TemplateError
------------------------------------
no implicit conversion of String into Integer
How can I get this working so Chef recognizes if the attribute is set?
Try
<% if node['haproxy']['server'].attribute?('backup') %>
Related
I am working on this: https://www.youtube.com/watch?v=6FOq4cUdH8k
For some reason, the following line is causing the error in the title.
<% include ./partials/messages %>
Removing the line above solves the problem.
I have confirmed that it is not the messages file as there are no slashes in it.
<% if(typeof errors != 'undefined') { %>
<% errors.forEach(function(error){ %>
<%= error.msg %>
<% }); %>
<% } %>
as you can read in the official documentation
Includes are relative to the template with the include call. (This
requires the 'filename' option.) For example if you have
"./views/users.ejs" and "./views/user/show.ejs" you would use <%-
include('user/show'); %>.
You'll likely want to use the raw output tag (<%-) with your include
to avoid double-escaping the HTML output.
so instead of
<% include ./partials/messages %>
Write
<%- include ("./partials/messages") %>
Why?
Template tag <%- outputs the unescaped value into the template, whereas <% 'scriptlet' tag is used for control-flow, no output. The parenthesis and " " are used for filename location
I am following The Net Nijna's tutorial on youtube.
I reached tutorial number 27, working with partials in ejs. Everything works until I add the <% include partials/nav.js %>, once I add this code I recieve:
SyntaxError: Unexpected identifier in (file location) testapp\views\profile.ejs while compiling ejs
If the above error is not helpful, you may want to try EJS-Lint:
https://github.com/RyanZim/EJS-Lint
Or, if you meant to create an async function, pass async: true as an option.
at new Function ()..... blah blah blah...
If I remove it, my ejs all works fine.
<body>
<% include partials/nav.ejs %>
<h1>Welcome to the profile of <%= person %> !</h1>
<p><strong> Age: <%= data.age %></strong></p>
<p><strong> Job: <%= data.job %></strong></p>
<p><strong> Pet: <%= data.pet %></strong></p>
<h2>Hobbies</h2>
<ul>
<% data.hobbies.forEach(function(item){ %>
<li><%= item %></li>
<%});%>
</ul>
</body>
can you help a student out? Thanks a ton!
Missing hyphen and need to invoke the include function.
<%- include('partials/nav') %>
I was stuck at the same problem and used -include('#filename');
it worked
Use: <%- include('folder/file') %>
agreeing with #Joseph Varilla
Not necessary to include engine extension as this should have been done in app.js or index.js file
I have next code in erb template:
<% if #proxy_cache_path.is_a?(Hash) -%>
<% #proxy_cache_path.sort_by{|k,v| k}.each do |key,value| -%>
proxy_cache_path <%= key %> keys_zone=<%= value %> levels=<%= #proxy_cache_levels %> max_size=<%= #proxy_cache_max_size %> inactive=<%= #proxy_cache_inactive -%>
<% end -%>
How to porting it for epp template? Im find very low information for it. Please help.
Here's how you can do that:
Showing an example class and how to declare both an ERB and EPP template for comparison:
# manifests/init.pp
class foo () {
$proxy_cache_path = {
'apples' => 1,
'bananas' => 2,
}
$proxy_cache_levels = 2
$proxy_cache_max_size = 2
$proxy_cache_inactive = 2
# Showing use of ERB:
file { '/foo':
ensure => file,
content => template('foo/mytemplate.erb')
}
# Showing use of EPP, which requires an explicit parameters hash:
file { '/bar':
ensure => file,
content => epp('foo/mytemplate.epp', {
'proxy_cache_path' => $proxy_cache_path,
'proxy_cache_levels' => $proxy_cache_levels,
'proxy_cache_max_size' => $proxy_cache_max_size,
'proxy_cache_inactive' => $proxy_cache_inactive,
}),
}
}
Corrected* contents of the ERB file for comparison:
# templates/mytemplate.erb
<% if #proxy_cache_path.is_a?(Hash) -%>
<% #proxy_cache_path.sort_by{|k,v| k}.each do |key,value| -%>
proxy_cache_path <%= key %> keys_zone=<%= value %> levels=<%= #proxy_cache_levels %> max_size=<%= #proxy_cache_max_size %> inactive=<%= #proxy_cache_inactive -%>
<% end -%>
<% end -%>
(*The code in the question is missing the closing end.)
Contents of EPP file:
# templates/mytemplate.epp
<%- | Hash[String, Integer] $proxy_cache_path, Integer $proxy_cache_levels, Integer $proxy_cache_max_size, Integer $proxy_cache_inactive | -%>
<% include stdlib -%>
<% $proxy_cache_path.keys.sort.each |$key| { -%>
proxy_cache_path <%= $key %> keys_zone=<%= $proxy_cache_path[$key] %> levels=<%= $proxy_cache_levels %> max_size=<%= $proxy_cache_max_size %> inactive=<%= $proxy_cache_inactive -%>
<% } -%>
Things to note about the EPP template file content:
1) The parameters and their types are defined on the first line of the template. Use of this line is optional, but good practice.
2) Since we declared the types on the first line, it is unnecessary and redundant to test if $proxy_cache_path is a Hash.
3) We need to include stdlib in order to access the functions keys and sort. This is different to Ruby (ERB) where these methods are built-in to the language.
4) I simplified the code relative to the Ruby (ERB) because Puppet (EPP) has no sort_by function - and actually there was no need to use it in the ERB either, which could be re-written as:
<% if #proxy_cache_path.is_a?(Hash) -%>
<% #proxy_cache_path.sort.each do |key,value| -%>
proxy_cache_path <%= key %> keys_zone=<%= value %> levels=<%= #proxy_cache_levels %> max_size=<%= #proxy_cache_max_size %> inactive=<%= #proxy_cache_inactive -%>
<% end -%>
<% end -%>
Finally some tests:
# spec/classes/test_spec.rb:
require 'spec_helper'
describe 'foo', :type => :class do
it 'content in foo should be the same as in bar' do
foo = catalogue.resource('file', '/foo').send(:parameters)[:content]
bar = catalogue.resource('file', '/bar').send(:parameters)[:content]
expect(foo).to eq bar
end
end
And the tests pass.
See docs here.
I am using EJS as my templating engine. I am passing variables from node js to ejs like...
router.get("/AdminDatabase", function(req, res) {
res.render('Pages/AdminDatabase', {title: 'WebFormsAdmin', role: 'System Admin' });
});
I am building a role base control and for this I want to change the header of the page base on the role of user.
<% include ../partials/Common/header_<%= role %> %>
The problem is with the above segment. How can I place the variable role inside this EJS code segment?
My header files are
header_System Admin.ejs,
header_Survey Admin.ejs,
header_Survey Taker.ejs
A workaround would be to do a conditional render like so:
<% switch (role) {
case 'System Admin': %>
<% include ./partials/header_System_Admin %>
<% break; %>
<% case 'Survey Admin': %>
<% include ./partials/header_Survey_Admin %>
<% break; %>
<% default: %>
<% include ./partials/header_Survey_Taker %>
<% break; %>
<% } %>
Note that the first case must be grouped with the switch declaration. Make sure the paths are correct for your partials.
You can concatenate the path and the variable.
<%- include('../partials/Common/header_'+role) %>
I'm trying to figure out how to search multiple models with Ransack. The goal is to have the search form in my shared header. I'm using a combination of their documentation, an old rails-cast, SO questions, and some code a friend shared with me. Right now I think it works, although I'm not sure because I can't get the results to show on my index page.
First, I created a search controller:
class SearchController < ApplicationController
def index
q = params[:q]
#items = Item.search(name_cont: q).result
#booths = Booth.search(name_cont: q).result
#users = User.search(name_cont: q).result
end
end
Next, I put this code in the header partial (views/layouts/_header.html.erb):
<%= form_tag search_path, method: :get do %>
<%= text_field_tag :q, nil %>
<% end %>
I added a route:
get "search" => "search#index"
My index.html.erb for the Search controller is empty and I suspect that is the problem, but I'm not sure what to place there. When I try something like:
<%= #items %>
<%= #users %>
<%= #booths %>
This is the output I get when I execute a search:
#<Item::ActiveRecord_Relation:0x007fee61a1ba10> #<User::ActiveRecord_Relation:0x007fee61a32d28> #<Booth::ActiveRecord_Relation:0x007fee61a20790>
Can someone please guide me on what the solution might be? I'm not sure if it's an index view problem, routing problem, or something else. On all of the tutorials the search field and results are only for one model so I'm a little confused on how to pull this off across multiple models.
Thanks!
The output you are getting is correct. Each of those variables contains an ActiveRecord_Relation object which can be treated like an array. Normally you'd do something like:
<% #items.each do |item| %>
<%= item.name %> # or whatever
<% end %>
<% #users.each do |user| %>
# and so on
Alternatively, you could combine your results #results = #items + #booths + #users and then:
<% #results.each do |result| %>
# display the result
<% end %>