We have a lot of AWS Lambda functions in the project, and developers want to be able to send metrics to our Prometheus to add their own alerts and graphs in Grafana. For this, the functions use the Prometheus library, which allows these metrics to be created (see Prometheus: Building a Custom Prometheus Exporter in… Read More »
After running our self-hosted GitLab in production, we faced a bug: during git clone/pull/push operations, the request sometimes hung for 1-2 minutes. It looked like some kind of “floating” bug, that is, it could normally work 5 times, and then hangs once. The issues gitlab-shell timeouts For example, one time git clone works well: [simterm]… Read More »
Instance metadata (IMDS – Instance Metadata Service) – data about an EC2 instance, such as information about AMI, IP, hostname, etc. You can also add User Data to Instance Metadata to store some parameters, which can then be retrieved inside the instance. See Instance metadata and user data and Instance metadata categories. From the beginning of the IMDS,… Read More »
Knative is a system that allows you to use the Serverless development model in Kubernetes. In essence, Knative can be imagined as another level of abstraction that allows developers not to dive into the details of deployment, scaling, and networking in “vanilla” Kubernetes. The development of Knative itself was started at Google with the participation of… Read More »