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Tag: Automation

Use multiple Azure subscriptions in Terraform modules

Posted on April 30, 2022 by Johnny Morano

Due to billing or organizational structures, certain parts of the infrastructure could be divided over several Azure subscriptions. From an infrastructure management point of view however, it might be interesting to manage the resources in those multiple subscriptions in one Terraform playbook. In the required_providers section, the configuration_aliases must be configured first (usually in the…

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Deploy a PostgreSQL database with an initial schema using Ansible

Posted on April 9, 2022April 9, 2022 by Johnny Morano

Ansible is a great automation tool to manage operating systems, but also to manage database like PostgreSQL. Many Ansible modules are available to create playbooks which execute various database administration tasks. In this article we will have a closer look how to ensure that a default database has been created a set of configured extensions…

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Using Ansible to finalize Hashicorp Packer images

Posted on April 8, 2022April 9, 2022 by Johnny Morano

Ansible provides a more flexible way to fine-tune Hashicorp Packer images compared to cloud-init. Playbooks can be executed once the guest image building is ready and boots up for the first time. This allows to create different types of Packer images based on different playbooks. In this article, Packer images will created for Azure using…

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Import configuration from Hiera or a Git repository with YAML files into Terraform

Posted on April 5, 2022April 9, 2022 by Johnny Morano

De-duplication of configuration information is key when managing large environments which use different types of automation (Terraform, Jenkins, Ansible, scripts executed as Systemd timers, Puppet…). Although many different configuration management tools exist (RDBMS, Consul, …), one of the easiest to use is Hiera or just a plain normal Git repository with YAML files, in some…

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Terraform: Create a map of subnet IDs in Azure

Posted on March 4, 2022April 9, 2022 by Johnny Morano

The subnets accessor in the azurerm_virtual_network Terraform data source returns a list of subnet names only. In most cases however, you will need to use a or multiple subnet IDs, for instance when deploying virtual machines. Instead of creating a new datasource (for possibly a small list of subnets) for each virtual machine you want…

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Recent Posts

  • Use multiple Azure subscriptions in Terraform modules
  • Read the HAProxy UNIX socket file using Perl
  • A Prometheus Exporter framework written in Perl
  • Managing LDAP passwords with Perl
  • Libvirt guest startup issue with AppArmor
  • Deploy a PostgreSQL database with an initial schema using Ansible
  • Using Ansible to finalize Hashicorp Packer images

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