Author : Tamas Plugor

Description By default the UI session timeout is 24 hours, in some environments security policies dictate a much lower value. This article will show you how to modify the default session timeout using the CLI (in future releases this will be available as a knob on the UI). 2020.1.x 1. Create a yaml file, let’s call it: sessionTimeout.yaml which will have the following content: sessionTimeout: X, where X is the number of seconds after which the session should time out, e.g.: # cat /cvpi/apps/cvp/conf/session.yaml sessionTimeout: 60 2. For local users like cvpadmin modify the - -oidc-config=/dev/null flag in the apiserver: configuration section in /cvpi/conf/components/aeris.multinode.yaml (on all nodes in case of...
Continue reading →

Introduction   The purpose of this document is to understand how the subscription paths are constructed for our openconfig connector apps (ocprometheus, ockafka, octsdb, etc.) that communicate with TerminAttr and send telemetry data to 3rd party Telemetry backends (Kafka, Prometheus, TSDB, Redis, Graphite, etc.) All our OpenConfig connectors are publicly available and can be found on the goarista github repo: https://github.com/aristanetworks/goarista/tree/master/cmd Most of these OpenConfig connectors use a yaml or json file which contains the paths it is supposed to subscribe to. ocprometheus octsdb Others like ockafka, ocredis don’t support paths from a file, so you have to enumerate the...
Continue reading →

Introduction Prometheus is one of the most popular open-source monitoring and alerting systems, which scrapes and stores numeric time series data over HTTP. It has a very flexible query language, can send alerts via alertmanager to various platform and can be integrated easily with many open-source tools. For more details and use cases, please visit https://prometheus.io/docs/introduction/overview/ The purpose of this article is to show how easy it is to deploy and configure Prometheus and Grafana and configure Arista switches to send telemetry states to Prometheus using TerminAttr ( EOS streaming telemetry agent ) and one of the OpenConfig connectors that...
Continue reading →

Writing your own webhook relay – sending event alerts to Discord   Introduction Starting from version 2018.2.0, CVP supports configuring event alerts, where receivers can be email, Slack, PagerDuty, webhooks and others. The purpose of this article is to demonstrate how easy it is to write your own webhook relay app that will forward alerts to your favorite webhook endpoint, in my case, a Discord channel. Discord is getting more and more popular, not only amongst gamers, but also lots of companies started to use it. I’ve been using it for a couple of years now, and it made sense...
Continue reading →