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diff --git a/docs/release/userguide/collectd.ves.userguide.rst b/docs/release/userguide/collectd.ves.userguide.rst index fdf90187..7077cecd 100644 --- a/docs/release/userguide/collectd.ves.userguide.rst +++ b/docs/release/userguide/collectd.ves.userguide.rst @@ -2,51 +2,180 @@ .. http://creativecommons.org/licenses/by/4.0 .. (c) OPNFV, Intel Corporation and others. -============================== -collectd VES plugin User Guide -============================== -The Barometer repository contains a python based write plugin for VES. +========================== +VES Application User Guide +========================== +The Barometer repository contains a python based application for VES. -The plugin currently supports pushing platform relevant metrics through the +The application currently supports pushing platform relevant metrics through the additional measurements field for VES. -**Please note**: Hardcoded configuration values will be modified so that they -are configurable through the configuration file. +Collectd has a write_kafka plugin that will send collectd metrics and values to +a Kafka Broker. +The VES application uses Kafka Consumer to receive metrics from the Kafka +Broker. Installation Instructions: -------------------------- -1. Clone this repo +1. Clone this repo: + + .. code:: bash + + git clone https://gerrit.opnfv.org/gerrit/barometer + 2. Install collectd -.. code:: bash + .. code:: bash + + $ sudo apt-get install collectd + + CentOS 7.x use: + + .. code:: bash + + $ sudo yum install collectd + + .. note:: You may need to add epel repository if the above does not work. + + .. code:: bash - $ sudo apt-get install collectd + $ sudo yun install epel-release 3. Modify the collectd configuration script: `/etc/collectd/collectd.conf` -.. code:: bash + .. code:: bash - <LoadPlugin python> - Globals true - </LoadPlugin> - - <Plugin python> - ModulePath "/path/to/your/python/modules" - LogTraces true - Interactive false - Import "ves_plugin" - <Module ves_plugin> - # VES plugin configuration (see next section below) - </Module> - </Plugin> + <Plugin write_kafka> + Property "metadata.broker.list" "localhost:9092" + <Topic "collectd"> + Format JSON + </Topic> + </Plugin> + + .. note:: + + The above configuration is for a single host setup. Simply change localhost to remote + server IP addess or hostname. + +Install Kafka Broker +-------------------- + +1. Dependencies: install JAVA & Zookeeper. + + JAVA: + + .. code:: bash + + $ sudo apt install default-jre + + CentOS 7.x use: + + .. code:: bash + + $ sudo yum install java-1.6.0-openjdk + + Zookeeper: + + .. code:: bash + + $ sudo apt install zookeeperd + + CentOS 7.x use: + + .. code:: bash + + $ sudo yum install zookeeper + + .. note:: You may need to add the the repository that contains zookeeper + + .. code:: bash + + $ sudo yum install + https://archive.cloudera.com/cdh5/one-click-install/redhat/7/x86_64/cloudera-cdh-5-0.x86_64.rpm + + CentOS 7.x start zookeeper: + + .. code:: bash + + $ sudo zookeeper-server start + + To test if Zookeeper is running as a daemon. + + .. code:: bash + + $ sudo telnet localhost 2181 + + Type 'ruok' & hit enter. + Expected response is 'imok'. Zookeeper is running fine. -where "/path/to/your/python/modules" is the path to ves_plugin.py, -which is located in this repo. + .. note:: -VES python plugin configuration description: --------------------------------------------- + VES doesn't work with version 0.9.4 of kafka-python. + The recommended/tested version is 1.3.3. -**Note** Details of the Vendor Event Listener REST service + .. code:: bash + + $ sudo pip install kafka-python + +2. Download Kafka: + + .. code:: bash + + $ sudo wget "http://www-eu.apache.org/dist/kafka/0.11.0.0/kafka_2.11-0.11.0.0.tgz" + +3. Extract the archive: + + .. code:: bash + + $ sudo tar -xvzf kafka_2.11-0.11.0.0.tgz + +4. Configure Kafka Server: + + .. code:: bash + + $ sudo vi kafka_2.11-0.11.0.0/config/server.properties + + By default Kafka does not allow you to delete topics. Please uncomment: + + .. code:: bash + + delete.topic.enable=true + +5. Start the Kafka Server. + + Run 'kafka-server-start.sh' with nohup as a background process: + + .. code:: bash + + $ sudo nohup kafka_2.11-0.11.0.0/bin/kafka-server-start.sh \ + kafka_2.11-0.11.0.0/config/server.properties > kafka_2.11-0.11.0.0/kafka.log 2>&1 & + +6. Test Kafka Broker Installation + + To test if the installation worked correctly there are two scripts, producer and consumer scripts. + These will allow you to see messages pushed to broker and receive from broker. + + Producer (Publish "Hello World"): + + .. code:: bash + + $ echo "Hello, World" | kafka_2.11-0.11.0.0/bin/kafka-console-producer.sh \ + --broker-list localhost:9092 --topic TopicTest > /dev/null + + Consumer (Receive "Hello World"): + + .. code:: bash + + $ kafka_2.11-0.11.0.0/bin/kafka-console-consumer.sh --zookeeper \ + localhost:2181 --topic TopicTest --from-beginning + + +VES application configuration description: +------------------------------------------ + +Within the VES directory there is a configuration file called 'ves_app.conf'. + +.. note:: Details of the Vendor Event Listener REST service REST resources are defined with respect to a ServerRoot: @@ -76,7 +205,7 @@ REST resources are of the form: Used as the "topicName" element in the REST path (default: `empty`) **UseHttps** *true|false* - Allow plugin to use HTTPS instead of HTTP (default: `false`) + Allow application to use HTTPS instead of HTTP (default: `false`) **Username** *"username"* VES collector user name (default: `empty`) @@ -95,6 +224,13 @@ REST resources are of the form: **ApiVersion** *version* Used as the "apiVersion" element in the REST path (default: `5.1`) +**KafkaPort** *port* + Kafka Port (Default ``9092``) + +**KafkaBroker** *host* + Kafka Broker domain name. It can be an IP address or hostname of local or remote server + (default: localhost) + Other collectd.conf configurations ---------------------------------- Please ensure that FQDNLookup is set to false @@ -132,7 +268,32 @@ Please ensure that the cpu plugin is enabled and configured as follows ValuesPercentage true </Plugin> -To report the host name as a UUID the uuid plugin can be used. +.. note:: + + The ``ReportByCpu`` option should be set to `true` (default) + if VES application is running on guest machine ('GuestRunning' = true). + +Please ensure that the aggregation plugin is enabled and configured as follows +(required if 'GuestRunning' = true) + +.. code:: bash + + LoadPlugin aggregation + + <Plugin aggregation> + <Aggregation> + Plugin "cpu" + Type "percent" + GroupBy "Host" + GroupBy "TypeInstance" + SetPlugin "cpu-aggregation" + CalculateAverage true + </Aggregation> + </Plugin> + +If application is running on a guest side, it is important to enable uuid plugin +too. In this case the hostname in event message will be represented as UUID +instead of system host name. .. code:: bash @@ -157,8 +318,8 @@ Please also ensure that the following plugins are enabled: LoadPlugin interface LoadPlugin memory -VES plugin notification example -------------------------------- +VES application with collectd notifications example +--------------------------------------------------- A good example of collectD notification is monitoring of the total CPU usage on a VM using the 'threshold' plugin. The following configuration will setup VES plugin to send 'Fault' |