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SRVCOM-2313 Improve performance, reduce bloat
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‎_templates/_nav_openshift.html.erb

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<ul class="nav nav-sidebar">
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<%- navigation.each.with_index do |topic_group, groupidx| -%>
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<!-- the top level groupings start here -->
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<%# group_id %>
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<%# topic_group[:id] %>
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<%# topic_id %>
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<!-- group_id is the one that is user selected. topic_group[id] is what we are parsing via navigation -->
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<%- current_group = topic_group[:id] == group_id -%>
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<li class="nav-header">
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<%# current_group %>
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<%# topic_group[:id] %>
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<%# group_id %>
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<a class="" href="javascript:void(0);" data-toggle="collapse" data-target="#topicGroup<%= groupidx %>">
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<span id="tgSpan<%= groupidx %>" class="fa <%= current_group ? 'fa-angle-down' : 'fa-angle-right' %>"></span>
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<%= topic_group[:name] %>
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<!-- prints out the names of the top level books with arrow down or to right
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So in this case: Welcome 1 and Another Book -->
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</a>
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<!-- this then goes through all the topics within the top level groups
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depending on whether it itself contains further topics or is a single file -->
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<li class="nav-header"><a class="" href="javascript:void(0);" data-toggle="collapse" data-target="#topicGroup<%= groupidx %>"><span id="tgSpan<%= groupidx %>" class="fa <%= current_group ? 'fa-angle-down' : 'fa-angle-right' %>"></span><%= topic_group[:name] %></a>
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<ul id="topicGroup<%= groupidx %>" class="collapse <%= current_group ? 'in' : '' %> list-unstyled">
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<%- topic_group[:topics].each.with_index do |topic, topicidx| -%>
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<!-- for each topic in this topic_group, for example in Welcome 1, what topics exist?
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Welcome 2 and Welcome 1 More -->
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<%- if not topic.has_key?(:topics) -%>
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<!-- is this is a single page? That is, does this topic have more topics?
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Welcome 1 More -->
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<%- current_topic = current_group && (topic[:id] == topic_id) -%>
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<!-- ^ this establishs whether we are reading this current page -->
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<li><a class="<%= current_topic ? ' active' : '' %>" href="<%= subtopic_shim %><%= topic[:path] %>"><%= topic[:name] %></a></li>
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<!-- if active, then highlight it, otherwise nothing to do -->
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<%- else -%>
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<!-- this topic contains subtopics - Welcome 2 -->
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<%- current_subgroup = topic[:id] == subgroup_id -%>
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<!-- start a new heading area -->
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<li class="nav-header">
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<a class="" href="javascript:void(0);" data-toggle="collapse" data-target="#topicSubGroup-<%= groupidx %>-<%= topicidx %>">
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<span id="sgSpan-<%= groupidx %>-<%= topicidx %>" class="fa <%= current_subgroup ? 'fa-caret-down' : 'fa-caret-right' %>"></span>
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&nbsp;<%= topic[:name] %>
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<!-- prints out the names of the second level books with arrow down or to right
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So in this case: Welcome 2 -->
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</a>
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<li class="nav-header"><a class="" href="javascript:void(0);" data-toggle="collapse" data-target="#topicSubGroup-<%= groupidx %>-<%= topicidx %>"><span id="sgSpan-<%= groupidx %>-<%= topicidx %>" class="fa <%= current_subgroup ? 'fa-caret-down' : 'fa-caret-right' %>"></span>&nbsp;<%= topic[:name] %></a>
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<ul id="topicSubGroup-<%= groupidx %>-<%= topicidx %>" class="nav-tertiary list-unstyled collapse<%= current_subgroup ? ' in' : '' %>">
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<%- topic[:topics].each.with_index do |subtopic, subtopicidx| -%>
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<!-- for each topic in this topic_group, in Welcome 2, what topics exist?
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Welcome 2 Index Page, Welcome 3 and Welcome 2 More - we list them all.. -->
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<%# subtopic[:path] %>
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<%# subgroup_id %>
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<%# current_group %>
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<%# current_subgroup %>
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<%# topic_id %>
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<%- if not subtopic.has_key?(:topics) -%>
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<!-- is this is a single page? That is, does this topic have more topics?
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Welcome 2 Index Page and Welcome 2 More -->
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<%- current_subtopic = current_group && current_subgroup && (subtopic[:id] == topic_id) %>
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<li>
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<a class="<%= current_subtopic ? ' active' : '' %>" href="<%= subtopic_shim %><%= subtopic[:path] %>">
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<%= subtopic[:name] %>
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</a>
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</li>
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<% else %>
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<!-- Welcome 3 -->
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<li><a class="<%= current_subtopic ? ' active' : '' %>" href="<%= subtopic_shim %><%= subtopic[:path] %>"><%= subtopic[:name] %></a></li><% else %>
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<%- current_subsubgroup = subtopic[:id] == subsubgroup_id -%>
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<%# subsubgroup_id %>
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<%# subtopic[:id] %>
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<%# current_subsubgroup %>
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<li class="nav-header">
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<a class="" href="javascript:void(0);" data-toggle="collapse" data-target="#topicSubSubGroup-<%= groupidx %>-<%= topicidx %>-<%= subtopicidx %>">
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<span id="ssgSpan-<%= groupidx %>-<%= topicidx %>-<%= subtopicidx %>" class="fa <%= current_subsubgroup ? 'fa-caret-down' : 'fa-caret-right' %>"></span>
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&nbsp;<%= subtopic[:name] %>
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</a>
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<li class="nav-header"><a class="" href="javascript:void(0);" data-toggle="collapse" data-target="#topicSubSubGroup-<%= groupidx %>-<%= topicidx %>-<%= subtopicidx %>"><span id="ssgSpan-<%= groupidx %>-<%= topicidx %>-<%= subtopicidx %>" class="fa <%= current_subsubgroup ? 'fa-caret-down' : 'fa-caret-right' %>"></span>&nbsp;<%= subtopic[:name] %></a>
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<ul id="topicSubSubGroup-<%= groupidx %>-<%= topicidx %>-<%= subtopicidx %>" class="nav-tertiary list-unstyled collapse<%= current_subsubgroup ? ' in' : '' %>">
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<%- subtopic[:topics].each do |subsubtopic| -%>
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<!-- list all topics within Welcome 3 here. Note that we are not coding this for more subtopics here -->
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<%- current_subsubtopic = current_group && current_subgroup && current_subsubgroup && (subsubtopic[:id] == topic_id) %>
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<li>
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<a class="<%= current_subsubtopic ? ' active' : '' %>" href="<%= subtopic_shim %><%= subsubtopic[:path] %>" style="padding-left: 70px;">
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<%= subsubtopic[:name] %>
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</a>
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</li>
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<%- end -%>
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<%- current_subsubtopic = current_group && current_subgroup && current_subsubgroup && (subsubtopic[:id] == topic_id) %>
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<li><a class="<%= current_subsubtopic ? ' active' : '' %>" href="<%= subtopic_shim %><%= subsubtopic[:path] %>" style="padding-left: 70px;"><%= subsubtopic[:name] %></a></li><%- end -%>
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</ul>
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</li>
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<%- end -%>
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<%- end -%>
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</ul>
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</li>

‎serverless/eventing/knative-eventing.adoc

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Event producers create events, and event _sinks_, or consumers, receive events. Knative Eventing uses standard HTTP POST requests to send and receive events between event producers and sinks. These events conform to the link:https://cloudevents.io[CloudEvents specifications], which enables creating, parsing, sending, and receiving events in any programming language.
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== Knative Eventing use cases:
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Knative Eventing supports the following use cases:
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Publish an event without creating a consumer:: You can send events to a broker as an HTTP POST, and use binding to decouple the destination configuration from your application that produces events.

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