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.. This work is licensed under a Creative Commons Attribution 4.0 International License.
.. http://creativecommons.org/licenses/by/4.0
.. _deployment:
Deployment
============
To run HV-VES Collector container, you need to specify required parameters by passing them as command
line arguments either by using long form (--long-form) or short form (-s) followed by argument if needed.
All parameters can also be configured by specifying environment variables. These variables have to be named after command line option name
rewritten using `UPPER_SNAKE_CASE` and prepended with `VESHV_` prefix, for example `VESHV_LISTEN_PORT`.
Command line options have precedence over environment variables.
+-------------+------------+-------------------+----------+-----+-------------------------------------------------+
| Long form | Short form | Env form | Required | Arg | Description |
+=============+============+===================+==========+=====+=================================================+
| listen-port | p | VESHV_LISTEN_PORT | yes | yes | Port on which HV-VES listens internally |
+-------------+------------+-------------------+----------+-----+-------------------------------------------------+
| config-url | c | VESHV_CONFIG_URL | yes | yes | URL of HV-VES configuration on Consul service |
+-------------+------------+-------------------+----------+-----+-------------------------------------------------+
HV-VES requires also to specify if SSL should be used when handling incoming TCP connections.
This can be done by passing the flag below to the command line.
+-------------+------------+-------------------+----------+-----+-------------------------------------------------+
| Long form | Short form | Env form | Required | Arg | Description |
+=============+============+===================+==========+=====+=================================================+
| ssl-disable | l | VESHV_SSL_DISABLE | no | no | Disables SSL encryption |
+-------------+------------+-------------------+----------+-----+-------------------------------------------------+
Minimal command for running the container:
.. code-block:: bash
docker run nexus3.onap.org:10001/onap/org.onap.dcaegen2.collectors.hv-ves.hv-collector-main --listen-port 6061 --config-url http://consul:8500/v1/kv/dcae-hv-ves-collector --ssl-disable
Optional configuration parameters:
+-----------------------+------------+----------------------------+----------+-----+-----------------+-------------------------------------------------------+
| Long form | Short form | Env form | Required | Arg | Default | Description |
+=======================+============+============================+==========+=====+=================+=======================================================+
| health-check-api-port | H | VESHV_HEALTHCHECK_API_PORT | no | yes | 6060 | Health check REST API listen port |
+-----------------------+------------+----------------------------+----------+-----+-----------------+-------------------------------------------------------+
| first-request-delay | d | VESHV_FIRST_REQUEST_DELAY | no | yes | 10 | Delay of first request to Consul service in seconds |
+-----------------------+------------+----------------------------+----------+-----+-----------------+-------------------------------------------------------+
| request-interval | I | VESHV_REQUEST_INTERVAL | no | yes | 5 | Interval of Consul configuration requests in seconds |
+-----------------------+------------+----------------------------+----------+-----+-----------------+-------------------------------------------------------+
| idle-timeout-sec | i | VESHV_IDLE_TIMEOUT_SEC | no | yes | 60 | Idle timeout for remote hosts. After given time |
| | | | | | | without any data exchange, the connection |
| | | | | | | might be closed. |
+-----------------------+------------+----------------------------+----------+-----+-----------------+-------------------------------------------------------+
| max-payload-size | m | VESHV_MAX_PAYLOAD_SIZE | no | yes | 1048576 (1 MiB) | Maximum supported payload size in bytes |
+-----------------------+------------+----------------------------+----------+-----+-----------------+-------------------------------------------------------+
| log-level | ll | VESHV_LOG_LEVEL | no | yes | INFO | Log level on which HV-VES publishes all log messages |
| | | | | | | Valid argument values are (case insensitive): ERROR, |
| | | | | | | WARN, INFO, DEBUG, TRACE. |
+-----------------------+------------+----------------------------+----------+-----+-----------------+-------------------------------------------------------+
As part of experimental API if you do not specify `ssl-disable` flag, there is need to specify additional
parameters for security configuration.
+-----------------------+------------+----------------------------+----------+-----+------------------------+--------------------------------------------------------------+
| Long form | Short form | Env form | Required | Arg | Default | Description |
+=======================+============+============================+==========+=====+========================+==============================================================+
| key-store | k | VESHV_KEY_STORE | no | yes | /etc/ves-hv/server.p12 | Key store in PKCS12 format path |
+-----------------------+------------+----------------------------+----------+-----+------------------------+--------------------------------------------------------------+
| key-store-password | kp | VESHV_KEY_STORE_PASSWORD | no | yes | | Key store password |
+-----------------------+------------+----------------------------+----------+-----+------------------------+--------------------------------------------------------------+
| trust-store | t | VESHV_TRUST_STORE | no | yes | /etc/ves-hv/trust.p12 | File with trusted certificate bundle in PKCS12 format path |
+-----------------------+------------+----------------------------+----------+-----+------------------------+--------------------------------------------------------------+
| trust-store-password | tp | VESHV_TRUST_STORE_PASSWORD | no | yes | | Trust store password |
+-----------------------+------------+----------------------------+----------+-----+------------------------+--------------------------------------------------------------+
Passwords are mandatory without ssl-disable flag. If key-store or trust-store location is not specified, HV-VES will try to read them from default locations.
These parameters can be configured either by passing command line option during `docker run` call or
by specifying environment variables named after command line option name
rewritten using `UPPER_SNAKE_CASE` and prepended with `VESHV_` prefix e.g. `VESHV_LISTEN_PORT`.
Horizontal Scaling
==================
Kubernetes command line tool (`kubectl`) is recommended for manual horizontal scaling of HV-VES Collector.
To scale HV-VES deployment you need to determine its name and namespace in which it is deployed.
For default OOM deployment, HV-VES full deployment name is `deployment/dep-dcae-hv-ves-collector` and it is installed under `onap` namespace.
1. If the namespace is unknown, execute the following command to determine possible namespaces.
.. code-block:: bash
kubectl get namespaces
2. Find desired deployment (in case of huge output you can try final call in combination with `grep hv-ves` command).
You can also see current replicas amount under a corresponding column.
.. code-block:: bash
ONAP_NAMESPACE=onap
kubectl get --namespace ${ONAP_NAMESPACE} deployment
3. To scale deployment execute:
.. code-block:: bash
DEPLOYMENT_NAME=deployment/dep-dcae-hv-ves-collector
DESIRED_REPLICAS_AMOUNT=5
kubectl scale --namespace ${ONAP_NAMESPACE} ${DEPLOYMENT_NAME} --replicas=${DESIRED_REPLICAS_AMOUNT}
Result:
.. code-block:: bash
kubectl get pods --namespace ${ONAP_NAMESPACE} --selector app=dcae-hv-ves-collector
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