Reliable Insights

A blog on monitoring, scale and operational Sanity

July 17, 2017

High Availability Prometheus Alerting and Notification

Prometheus is architected for reliability of alerting, how do you set it up?

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May 15, 2017

A Silence is a Snooze

Have you ever wondered what exactly that "Silence" button on each of your alerts in the Alertmanager actually does? Perhaps you have an idea but are unsure of their correct usage or value.
In this post I aim to clear up any confusion surrounding the silencing of alerts, so you can make the most of its functionality and understand when and why to use them.
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March 13, 2017

Sending alert notifications to multiple destinations

Usually the Prometheus Alertmanager will send a given notification to only one destination. What if you want it to go to both Slack and Pagerduty though?

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February 13, 2017

Using labels to direct email notifications

A handy feature of the Alertmanager is that almost all notification fields are templatable. This can be used to route emails based on labels.

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November 21, 2016

Using OpsGenie with the Alertmanager

The Alertmanager has integrations to a variety of popular notification mechanisms. Let's see how easy it is to hook it in to OpsGenie. Read more

September 19, 2016

Alertmanager Notification Templating with Slack

We've already looked at how to setup Slack with the Alertmanager, and saw the default notification. Wouldn't it be nice to customise it?

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June 9, 2016

Using HipChat with the Alertmanager

Today let's look at how to integrate HipChat with the Prometheus Alertmanager.

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May 17, 2016

Prometheus and Alertmanager Architecture

A not uncommon question about Prometheus is why the Alertmanager is a separate binary. Let's look at that.

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April 13, 2016

Sending email with the Alertmanager via Gmail

We've already looked at how the Prometheus Alertmanager can talk to Pagerduty and Slack. It also works with SMTP, more commonly known as email. Let's see how to get it working via a Gmail account.

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March 25, 2016

Using Slack with the Alertmanager

Previously we looked at how to use the Prometheus Alertmanager with Pagerduty. The Alertmanager supports more than just sending pages, there's integrations with popular chat applications too. Let's look at how to integrate with Slack.

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