1/26/2024 0 Comments Docker website monitor![]() Finally, based on the docker run based solution, I found that on similar lines, Docker Compose provides a separate flag called devices that can be used to mount /dev/kmsg as a device. I first tried to mount /dev/kmsg but that wasn't going to do the job. The first one worked but the second was not quite what I was looking for, since this solution was based on a docker run based launch command.Ī Docker Compose fix was needed. I looked up the official cAdvisor repository where solutions had been provided. In this particular configuration, I was facing an issue about fetching two metrics based on two respective errors after deploying the official cAdvisor config stated in the Dockprom Stack: Failed to get system UUID: open /etc/machine-id: no such file or directoryĬould not configure a source for OOM detection, disabling OOM events: open /dev/kmsg: no such file or directory cAdvisorĬAdvisor is an open source tool from Google that provides container users an understanding of the resource usage and performance characteristics of their running containers. It also takes care of silencing and inhibition of alerts. It takes care of deduplicating, grouping, and routing them to the correct receiver integration such as email, PagerDuty, or OpsGenie. The Alertmanager handles alerts sent by client applications such as the Prometheus server. This is because there are limited cases where it would be necessary. You might want to read this to really know whether you actually need it. The Pushgateway is an intermediary service which allows you to push metrics from jobs which cannot be scraped. Prometheus is an open-source systems monitoring and alerting toolkit used by thousands worldwide. Make sure you change this according to your domain or subdomain. Therefore, this is where you need to add the popular Nginx based environment variables that you have been using all through for accessing our applications from anywhere on the web: environment: ![]() This is going to be the primary and only web frontend through which you will be utilizing all the remaining backend applications shared in the remaining tools' sections. Grafana allows you to query, visualize and alert on metrics and logs no matter where they are stored. Essentials for Dockprom setupĭockprom utilizes the following tools for providing monitoring solution for your Docker host and containers. The result looks very simplistic like our previous Nginx deployments. So, I redesigned the Dockprom configuration to be based on Nginx instead of Caddy. The official Dockprom configuration is based on Caddy.Īt Linux Handbook and High On Cloud, we use Nginx in standard practice. Do keep in mind that the exmaple here is going to be based on Nginx reverse proxy configuration.
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