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BUILDER: 'html',
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Expand Down Expand Up @@ -130,7 +130,7 @@ <h2>Overview<a class="headerlink" href="#overview" title="Permalink to this head
<section id="components">
<h2>Components<a class="headerlink" href="#components" title="Permalink to this heading"></a></h2>
<section id="node-agent">
<h3><a class="reference external" href="https://github.com/containers/nri-plugins/tree/8832f81cab3f60fa6c1b5fdedfe72ec9da392bc3/pkg/resmgr/agent">Node Agent</a><a class="headerlink" href="#node-agent" title="Permalink to this heading"></a></h3>
<h3><a class="reference external" href="https://github.com/containers/nri-plugins/tree/4aa2596272a196b447529a87ffa12e144cd8f6c4/pkg/resmgr/agent">Node Agent</a><a class="headerlink" href="#node-agent" title="Permalink to this heading"></a></h3>
<p>The node agent is a component internal to NRI-RP itself. All interactions
by NRI-RP with the Kubernetes Control Plane go through the node agent with
the node agent performing any direct interactions on behalf of NRI-RP.</p>
Expand All @@ -145,7 +145,7 @@ <h3><a class="reference external" href="https://github.com/containers/nri-plugin
<p>The config interface is defined and has its gRPC server running in
NRI-RP. The agent acts as a gRPC client for this interface. The low-level
cluster interface is defined and has its gRPC server running in the agent,
with the <a class="reference external" href="https://github.com/containers/nri-plugins/tree/8832f81cab3f60fa6c1b5fdedfe72ec9da392bc3/pkg/resmgr/agent">convenience layer</a> defined in NRI-RP.
with the <a class="reference external" href="https://github.com/containers/nri-plugins/tree/4aa2596272a196b447529a87ffa12e144cd8f6c4/pkg/resmgr/agent">convenience layer</a> defined in NRI-RP.
NRI-RP acts as a gRPC client for the low-level plumbing interface.</p>
<p>Additionally, the stock node agent that comes with NRI-RP implements schemes
for:</p>
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</ul>
</section>
<section id="resource-manager">
<h3><a class="reference external" href="https://github.com/containers/nri-plugins/tree/8832f81cab3f60fa6c1b5fdedfe72ec9da392bc3/pkg/resmgr/">Resource Manager</a><a class="headerlink" href="#resource-manager" title="Permalink to this heading"></a></h3>
<h3><a class="reference external" href="https://github.com/containers/nri-plugins/tree/4aa2596272a196b447529a87ffa12e144cd8f6c4/pkg/resmgr/">Resource Manager</a><a class="headerlink" href="#resource-manager" title="Permalink to this heading"></a></h3>
<p>NRI-RP implements an event processing pipeline. In addition to NRI events,
it processes a set of other events that are not directly related to or the
result of NRI requests. These events are typically internally generated within
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</ul>
</section>
<section id="cache">
<h3><a class="reference external" href="https://github.com/containers/nri-plugins/tree/8832f81cab3f60fa6c1b5fdedfe72ec9da392bc3/pkg/resmgr/cache/">Cache</a><a class="headerlink" href="#cache" title="Permalink to this heading"></a></h3>
<h3><a class="reference external" href="https://github.com/containers/nri-plugins/tree/4aa2596272a196b447529a87ffa12e144cd8f6c4/pkg/resmgr/cache/">Cache</a><a class="headerlink" href="#cache" title="Permalink to this heading"></a></h3>
<p>The cache is a shared internal storage location within NRI-RP. It tracks the
runtime state of pods and containers known to NRI-RP, as well as the state
of NRI-RP itself, including the active configuration and the state of the
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the cache properly locked.</p>
</section>
<section id="generic-policy-layer">
<h3><a class="reference external" href="https://github.com/containers/nri-plugins/blob/8832f81cab3f60fa6c1b5fdedfe72ec9da392bc3/pkg/resmgr/policy/policy.go">Generic Policy Layer</a><a class="headerlink" href="#generic-policy-layer" title="Permalink to this heading"></a></h3>
<h3><a class="reference external" href="https://github.com/containers/nri-plugins/blob/4aa2596272a196b447529a87ffa12e144cd8f6c4/pkg/resmgr/policy/policy.go">Generic Policy Layer</a><a class="headerlink" href="#generic-policy-layer" title="Permalink to this heading"></a></h3>
<p>The generic policy layer defines the abstract interface the rest of NRI-RP
uses to interact with policy implementations and takes care of the details
of activating and dispatching calls through to the configured active policy.</p>
</section>
<section id="generic-resource-controller-layer">
<h3><a class="reference external" href="https://github.com/containers/nri-plugins/blob/8832f81cab3f60fa6c1b5fdedfe72ec9da392bc3/pkg/resmgr/control/control.go">Generic Resource Controller Layer</a><a class="headerlink" href="#generic-resource-controller-layer" title="Permalink to this heading"></a></h3>
<h3><a class="reference external" href="https://github.com/containers/nri-plugins/blob/4aa2596272a196b447529a87ffa12e144cd8f6c4/pkg/resmgr/control/control.go">Generic Resource Controller Layer</a><a class="headerlink" href="#generic-resource-controller-layer" title="Permalink to this heading"></a></h3>
<p>The generic resource controller layer defines the abstract interface the rest
of NRI-RP uses to interact with resource controller implementations and takes
care of the details of dispatching calls to the controller implementations
for post-policy enforcment of decisions.</p>
</section>
<section id="metrics-collector">
<h3><a class="reference external" href="https://github.com/containers/nri-plugins/tree/8832f81cab3f60fa6c1b5fdedfe72ec9da392bc3/pkg/metrics/">Metrics Collector</a><a class="headerlink" href="#metrics-collector" title="Permalink to this heading"></a></h3>
<h3><a class="reference external" href="https://github.com/containers/nri-plugins/tree/4aa2596272a196b447529a87ffa12e144cd8f6c4/pkg/metrics/">Metrics Collector</a><a class="headerlink" href="#metrics-collector" title="Permalink to this heading"></a></h3>
<p>The metrics collector gathers a set of runtime metrics about the containers
running on the node. NRI-RP can be configured to periodically evaluate this
collected data to determine how optimal the current assignment of container
resources is and to attempt a rebalancing/reallocation if it is deemed
both possible and necessary.</p>
</section>
<section id="policy-implementations">
<h3><a class="reference external" href="https://github.com/containers/nri-plugins/tree/8832f81cab3f60fa6c1b5fdedfe72ec9da392bc3/cmd/plugins">Policy Implementations</a><a class="headerlink" href="#policy-implementations" title="Permalink to this heading"></a></h3>
<h3><a class="reference external" href="https://github.com/containers/nri-plugins/tree/4aa2596272a196b447529a87ffa12e144cd8f6c4/cmd/plugins">Policy Implementations</a><a class="headerlink" href="#policy-implementations" title="Permalink to this heading"></a></h3>
<section id="topology-aware">
<h4><a class="reference external" href="https://github.com/containers/nri-plugins/tree/8832f81cab3f60fa6c1b5fdedfe72ec9da392bc3/cmd/plugins/topology-aware/">Topology Aware</a><a class="headerlink" href="#topology-aware" title="Permalink to this heading"></a></h4>
<h4><a class="reference external" href="https://github.com/containers/nri-plugins/tree/4aa2596272a196b447529a87ffa12e144cd8f6c4/cmd/plugins/topology-aware/">Topology Aware</a><a class="headerlink" href="#topology-aware" title="Permalink to this heading"></a></h4>
<p>A topology-aware policy capable of handling multiple tiers/types of memory,
typically a DRAM/PMEM combination configured in 2-layer memory mode.</p>
</section>
<section id="balloons">
<h4><a class="reference external" href="https://github.com/containers/nri-plugins/tree/8832f81cab3f60fa6c1b5fdedfe72ec9da392bc3/cmd/plugins/balloons/">Balloons</a><a class="headerlink" href="#balloons" title="Permalink to this heading"></a></h4>
<h4><a class="reference external" href="https://github.com/containers/nri-plugins/tree/4aa2596272a196b447529a87ffa12e144cd8f6c4/cmd/plugins/balloons/">Balloons</a><a class="headerlink" href="#balloons" title="Permalink to this heading"></a></h4>
<p>A balloons policy allows user to define fine grained control how the
computer resources are distributed to workloads.</p>
</section>
<section id="template">
<h4><a class="reference external" href="https://github.com/containers/nri-plugins/tree/8832f81cab3f60fa6c1b5fdedfe72ec9da392bc3/cmd/plugins/template/">Template</a><a class="headerlink" href="#template" title="Permalink to this heading"></a></h4>
<h4><a class="reference external" href="https://github.com/containers/nri-plugins/tree/4aa2596272a196b447529a87ffa12e144cd8f6c4/cmd/plugins/template/">Template</a><a class="headerlink" href="#template" title="Permalink to this heading"></a></h4>
<p>The template policy can be used as a base for developing new policies.
It provides hooks that the policy developer can fill to define fine grained
control how the computer resources are distributed to workloads.
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