Good — we learned how to launch Loki — Grafana Loki: architecture and running in Kubernetes with AWS S3 storage and bolted-shipper, we also figured out how to configure alerts — Grafana Loki: alerts from the Loki Ruler and labels from logs. Now it’s time to figure out what we…

For general information on Grafana Loki, see the Grafana Loki: architecture and running in Kubernetes with AWS S3 storage and boltdb-shipper. Among other services that make up Loki, there is a separate service called ruler that is responsible for working with alerts that can be generated directly from logs. The…

Prometheus has many ready-to-use exporters, but sometimes you may need to collect your own metrics. For this, Prometheus provides client libraries that we can use to generate metrics with the necessary labels. Such an exporter can be included directly in the code of your application, or it can be…

We continue our engagement with GitLab and its deployment in Kubernetes. The first part — GitLab: Components, Architecture, Infrastructure, and Launching from the Helm Chart in Minikube, and now let’s get ready to deploy to AWS Elastic Kubernetes Service. What will we do and where: deploy to AWS from the…

As GitLab recently changed the policy of providing free access, and now only 5 users will be available for the Free subscription, we decided to move to the self-hosted version. In general, they have interesting terms with the license: the price depends on the number of users, you can buy…

The very useful thing is to monitor how efficiently the cluster is being used, especially if applications are deployed by developers who do not delve into requests much and set inflated values ​​"in reserve". A reserve, of course, is needed - but simply requesting resources is a bad idea. For…

Kustomize is a configuration management tool for Kubernetes that allows you to use common sets of manifests that can be changed for each specific environment/cluster, and can be an alternative to (or complement) Helm templates. The general concept of Kustomize is “where, what, and how”: “where” is a base manifest…

In fact, a function in bash is a regular variable, but with more features. The main use is when the same code needs to be used several times and/or in different related scripts. Declaring and calling a function The function is declared like this: function function_name () { function body } Or: function one {…

Brief description of the difference in the Bash loop types: for– will perform an action as long as there are objects to perform (for example, reading a stream from a stdin, file, or function); while- will perform an action as long as the condition is true; until– will be executed…