Catégorie : open source

Kustomize

Since we have migrated all our application deployment to Kubernetes, we needed to automatize the deployment of each application for different environments (integration and production). By default kubectl files are not really customizable. That’s why we choose Kustomize to deploy our apps. And now Kustomize is part of kubectl binary. You can just put your…

Par seuf 2019-10-31 0

Ansible AWX in Kubernetes

AWX Since one year now, Red Hat open sourced Tower as AWX, the Web UI to deploy with Ansible. Awx allow you to manage all your Ansible projects, with inventories, encrypted credentials, playbooks, etc, in a great Web UI. For example, you can create in AWX multiple credentials which are encrypted into Awx database to…

Par seuf 2018-12-14 2

How to migrate from ansible vault to hashicorp vault

Ansible Vault Today, all our project passwords are stored in ansible vault files, on file per environnement, stored in a « passwords » directory They are loaded at the beginning of the main playbook : — – hosts: all:!localhost any_errors_fatal: true gather_facts: true pre_tasks: – include_vars: password/password_{{ env }}.yml connection: local no_log: True tags: – password -…

Par seuf 2018-06-25 0

Ansible Mitogen

Today I discovered a new ansible strategy module that increase ansible performance a lot : Ansible Mitogen. Mitogen is a python library for writing distributed self-replicating programs. You can read a great article about this here : https://sweetness.hmmz.org/2018-03-06-quadrupling-ansible-performance-with-mitogen.html After some benchmark, I confirm : Mitogen is very fast ! I’ve divised my deployment by 2…

Par seuf 2018-05-28 0

Prometheus : Monitor docker services with grafana

Here is a little tutorial to setup Prometheus monitoring for a local docker daemon and host metrics with docker-compose and : prometheus node exporter for system metrics cadvisor for docker metrics First create a prometheus.yml config file like this : global: alerting: alertmanagers: – static_configs: – targets: # – alertmanager:9093 rule_files: # – « first_rules.yml » #…

Par seuf 2018-05-04 9

Ansible 2.5 grafana modules

  At work, we needed to automatize grafana installation and grafana provisionning (datasources, plugins and dashboards). So I’ve created 3 new ansible modules that will be released with the next version of ansible 2.5 The first module is grafana_datasource. If you have to create a lot of different datsources for your grafana instance in multiples…

Par seuf 2018-03-02 0

Zabbix – Send alerts to Slack

Today I’ve configured my Zabbix Server to automatically send alerts to the #alerting channel of my slack team. To to this, you have to create un new Incoming WebHook in your slack Team. Click on your team, select App and Integration. Search for Incoming Webhook Click « Add a configuration » Configure the webhook with the default…

Par seuf 2017-04-20 2