Update reference docs. (#3971)

Adds the Skywalking adapter docs.

content/docs/reference/commands/pilot-agent/index.html

@@ -94,6 +94,10 @@ number_of_entries: 5
 <td>Path to the custom configuration file  (default ``)</td>
 </tr>
 <tr>
+<td><code>--datadogAgentAddress &lt;string&gt;</code></td>
+<td>Address of the Datadog Agent  (default ``)</td>
+</tr>
+<tr>
 <td><code>--disableInternalTelemetry</code></td>
 <td>Disable internal telemetry </td>
 </tr>
@@ -206,6 +210,30 @@ number_of_entries: 5
 <td>Go template bootstrap config  (default ``)</td>
 </tr>
 <tr>
+<td><code>--tlsClientCertChain &lt;string&gt;</code></td>
+<td>Absolute path to client cert-chain file used for istio mTLS  (default `/etc/certs/cert-chain.pem`)</td>
+</tr>
+<tr>
+<td><code>--tlsClientRootCert &lt;string&gt;</code></td>
+<td>Absolute path to client root cert file used for istio mTLS  (default `/etc/certs/root-cert.pem`)</td>
+</tr>
+<tr>
+<td><code>--tlsSClientKey &lt;string&gt;</code></td>
+<td>Absolute path to client key file used for istio mTLS  (default `/etc/certs/key.pem`)</td>
+</tr>
+<tr>
+<td><code>--tlsServerCertChain &lt;string&gt;</code></td>
+<td>Absolute path to server cert-chain file used for istio mTLS  (default `/etc/certs/cert-chain.pem`)</td>
+</tr>
+<tr>
+<td><code>--tlsServerKey &lt;string&gt;</code></td>
+<td>Absolute path to server private key file used for istio mTLS  (default `/etc/certs/key.pem`)</td>
+</tr>
+<tr>
+<td><code>--tlsServerRootCert &lt;string&gt;</code></td>
+<td>Absolute path to server root cert file used for istio mTLS  (default `/etc/certs/root-cert.pem`)</td>
+</tr>
+<tr>
 <td><code>--trust-domain &lt;string&gt;</code></td>
 <td>The domain to use for identities  (default ``)</td>
 </tr>

content/docs/reference/config/networking/v1alpha3/destination-rule/index.html

@@ -176,6 +176,16 @@ parameter to 1 disables keep alive.</p>
 <p>Maximum number of retries that can be outstanding to all hosts in a
 cluster at a given time. Defaults to 3.</p>
 
+</td>
+</tr>
+<tr id="ConnectionPoolSettings-HTTPSettings-idle_timeout">
+<td><code>idleTimeout</code></td>
+<td><code><a href="https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#duration">google.protobuf.Duration</a></code></td>
+<td>
+<p>The idle timeout for upstream connection pool connections. The idle timeout is defined as the period in which there are no active requests.
+If not set, there is no idle timeout. When the idle timeout is reached the connection will be closed.
+Note that request based timeouts mean that HTTP/2 PINGs will not keep the connection alive. Applies to both HTTP1.1 and HTTP2 connections.</p>
+
 </td>
 </tr>
 </tbody>

content/docs/reference/config/policy-and-telemetry/adapters/apache-skywalking/index.html

@@ -0,0 +1,26 @@
+---
+WARNING: THIS IS AN AUTO-GENERATED FILE, DO NOT EDIT. PLEASE MODIFY THE ORIGINAL SOURCE IN THE https://github.com/apache/incubator-skywalking-data-collect-protocol REPO
+source_repo: https://github.com/apache/incubator-skywalking-data-collect-protocol
+title: Apache SkyWalking
+description: Adapter to deliver metrics to Apache SkyWalking.
+location: https://istio.io/docs/reference/config/policy-and-telemetry/adapters/apache-skywalking.html
+layout: partner-component
+generator: protoc-gen-docs
+provider: Apache SkyWalking
+contact_email: dev@skywalking.apache.org
+support_link:
+source_link: https://github.com/apache/incubator-skywalking
+latest_release_link: https://github.com/apache/incubator-skywalking/tree/v6.0.0-GA
+helm_chart_link:
+istio_versions: "1.0.3, 1.0.4, 1.1.0, 1.1.1"
+supported_templates: metric
+logo_link: hhttps://github.com/apache/incubator-skywalking-website/blob/master/docs/.vuepress/public/assets/logo.svg
+number_of_entries: 1
+---
+<p>The SkyWalking uses <code>Istio bypass</code> adapter collects metrics and makes them available to
+<a href="https://skywalking.apache.org/">Apache SkyWalking</a>. In SkyWalking, we provide topology map and metric graph 
+to visualize the whole mesh.</p>
+
+<p>This adapter supports the <a href="/docs/reference/config/policy-and-telemetry/templates/metric/">metric template</a>.</p>
+
+<p>Follow our <a href="https://github.com/apache/incubator-skywalking-kubernetes/tree/master/6/6.0.0-GA/istio">document</> to set Istio bypass adaptor</p>

scripts/grab_reference_docs.sh

@@ -16,6 +16,7 @@ REPOS=(
     https://github.com/apigee/istio-mixer-adapter.git@master
     https://github.com/osswangxining/alicloud-istio-grpcadapter.git@master
     https://github.com/vmware/wavefront-adapter-for-istio.git@master
+    https://github.com/apache/incubator-skywalking-data-collect-protocol.git@master
 )
 
 # The components from istio/istio to build and extract usage docs from.