From 4c94b382b7f188877e3efe424b19d5fb263c2bfa Mon Sep 17 00:00:00 2001
From: Tomasz Wrobel <tomasz.wrobel@nokia.com>
Date: Mon, 18 Oct 2021 14:16:14 +0200
Subject: Add HV-VES helm installation guide

Issue-ID: DCAEGEN2-2630
Signed-off-by: Tomasz Wrobel <tomasz.wrobel@nokia.com>
Change-Id: Ib7c7306c2180f8ca5c64394354ba5852e1bb2844
---
 docs/sections/services/ves-hv/index.rst            |  1 +
 .../sections/services/ves-hv/installation-helm.rst | 83 ++++++++++++++++++++++
 2 files changed, 84 insertions(+)
 create mode 100644 docs/sections/services/ves-hv/installation-helm.rst

diff --git a/docs/sections/services/ves-hv/index.rst b/docs/sections/services/ves-hv/index.rst
index 6f849dc4..ec0623ba 100644
--- a/docs/sections/services/ves-hv/index.rst
+++ b/docs/sections/services/ves-hv/index.rst
@@ -32,6 +32,7 @@ High Volume VES Collector overview and functions
     repositories
     deployment
     installation
+    installation-helm
     run-time-configuration
     HV-VES Offered APIs <../../apis/ves-hv/index>
     authorization
diff --git a/docs/sections/services/ves-hv/installation-helm.rst b/docs/sections/services/ves-hv/installation-helm.rst
new file mode 100644
index 00000000..b9bf6da9
--- /dev/null
+++ b/docs/sections/services/ves-hv/installation-helm.rst
@@ -0,0 +1,83 @@
+.. This work is licensed under a Creative Commons Attribution 4.0 International License.
+.. http://creativecommons.org/licenses/by/4.0
+.. _hv-ves-installation-helm:
+
+HV-VES Helm Installation
+========================
+Starting from ONAP/Honolulu release, HV-VES is installed with a DCAEGEN2-Services Helm charts. 
+HV-VES application is configured by default to use TLS/SSL encryption on TCP connection.
+
+Disable TLS security - Helm based deployment
+--------------------------------------------
+
+
+The default behavior can be changed by upgrading dcaegen2-services deployment with custom values:
+    .. code-block:: bash
+
+        helm -n <namespace> upgrade <DEPLOYMENT_PREFIX>-dcaegen2-services --reuse-values --values <path to values> <path to dcaegen2-services helm charts>
+
+For example:
+    .. code-block:: bash
+
+        helm -n onap upgrade dev-dcaegen2-services --reuse-values --values new-config.yaml oom/kubernetes/dcaegen2-services
+
+Where the contents of ``new-config.yaml`` file is:
+    .. code-block:: bash
+
+        dcae-hv-ves-collector:
+          applicationConfig:
+            security.sslDisable: true
+
+For small changes like this, it is also possible to inline the new value:
+    .. code-block:: bash
+
+        helm -n onap upgrade dev-dcaegen2-services --reuse-values --set dcae-hv-ves-collector.applicationConfig.security.sslDisable="true" oom/kubernetes/dcaegen2-services
+
+After the upgrade, the security.sslDisable property should be changed and visible inside dev-dcae-ves-collector-application-config-configmap Config-Map.
+It can be verified by running:
+    .. code-block:: bash
+
+        kubectl -n onap get cm <config map name> -o yaml
+
+For HV-VES Collector:
+    .. code-block:: bash
+
+        kubectl -n onap get cm dev-dcae-hv-ves-collector-application-config-configmap -o yaml
+
+
+For apply new configuration by HV-VES Collector the application restart might be necessary. It could be done by HV-VES helm reinstallation:
+    .. code-block:: bash
+
+        helm -n onap upgrade dev-dcaegen2-services --reuse-values --set dcae-hv-ves-collector.enabled="false" oom/kubernetes/dcaegen2-services
+        helm -n onap upgrade dev-dcaegen2-services --reuse-values --set dcae-hv-ves-collector.enabled="true" oom/kubernetes/dcaegen2-services
+
+
+Using external TLS certificates obtained using CMP v2 protocol
+--------------------------------------------------------------
+
+In order to use the X.509 certificates obtained from the CMP v2 server (so called "operator`s certificates"), refer to the following description:
+
+:ref:`Enabling TLS with external x.509 certificates <external-tls-helm>`
+
+Example values for HV-VES Collector:
+    .. code-block:: bash
+
+        global:
+          cmpv2Enabled: true
+        dcae-ves-collector:
+          useCmpv2Certificates: true
+          certificates:
+          - mountPath: /etc/ves-hv/ssl/external
+            commonName: dcae-hv-ves-collector
+            dnsNames:
+              - dcae-hv-ves-collector
+              - hv-ves-collector
+              - hv-ves
+            keystore:
+              outputType:
+                - jks
+              passwordSecretRef:
+                name: hv-ves-cmpv2-keystore-password
+                key: password
+                create: true
+
-- 
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