Ansible Apt is one of the modules of Ansible that is used to manage packages on Debian or Ubuntu-based OS. For example, installing packages to the hosts, removing packages from the hosts, and updating packages. It works similar to the ‘yum’ package manager that is used for RedHat and it has some advanced capability however if we want to use apt-get, we can use that using attribute ‘force_apt_get’ in the task. It needs python-apt and python3-apt to be installed on the hosts on which the module executes.

Installing packages to the hosts using the apt module

To install any package using apt-module, we need just provide the name of the package, optionally we can set the ‘state’ attribute to ‘present’ as below Ansible playbook. We can also set the ‘state’ attribute to ‘latest’ to install the latest version of the package.

Explanation: In the above example, the playbook is running under user ‘user1’ and it requires sudo privilege to manage packages so also set the ‘become’ attribute to ‘yes’ and it installed ‘Nginx’ on the host ‘ubuntu-k8s-node01’.

We can also install the specific version of any package as below:

- name: Installing specific version of nginx package

Equivalent Ansible ad-command for above playbooks:

ansible ubuntu-k8s-node01 -m apt -a “name=nginx” -b

ansible ubuntu-k8s-node01 -m apt -a “name=nginx=1.14.0-0ubuntu1.7” -b

Installing multiple packages to the host using the apt module

There are different ways to install multiple packages using apt, the first one is to use the ‘pkg’ attribute and write all the packages that need to be installed on the hosts and the second one is to use ‘Ansible Loop’ and pass the value to the ‘name’ attribute one by one and the last one is to define a list of packages and directly pass it to the ‘name’ attribute. We can also use ‘with_items’ instead of a loop.

Equivalent Ansible ad-hoc command for the above playbooks

ubuntu-k8s-node01 -m apt -a “pkg=nginx,curl  state=present” –b

ansible ubuntu-k8s-node01 -m apt -e list_of_pkgs=nginx,curl -a ‘name=”{{ list_of_pkgs }}”  state=present’ -b

In this blog, we will discuss Ansible Apt.

Ansible Apt

Ansible Apt is one of the modules of Ansible that is utilized to oversee bundles on Debian or Ubuntu-based OS. For instance, introducing bundles to the hosts, eliminating bundles from the hosts, and refreshing bundles. It works like a 'yum' bundle administrator that is utilized for RedHat and it has some high-level capacity anyway to utilize able get, we can utilize that utilizing characteristic 'force_apt_get' in the assignment. It needs python-well-suited and python3-adept to be introduced on the hosts on which the module executes.

Introducing bundles to the hosts utilizing the adept module

To introduce any bundle utilizing the adept module, we won't simply give the name of the bundle, alternatively, we can set the 'state' quality to 'introduce' as underneath Ansible playbook. We can likewise set the 'state' characteristic to 'most recent' to introduce the most recent rendition of the bundle.

 In the above model, the playbook is running under client 'user1' and it requires sudo honor to oversee bundles so additionally set the 'become' quality to 'yes' and installed 'Nginx' on the host 'ubuntu-k8s-node01'.

- name: Installing a specific version of Nginx package

Introducing numerous bundles to the host utilizing the able module

There are various ways of introducing different bundles utilizing able, the first is to utilize 'pkg' characteristic and compose every one of the bundles that should be introduced on the hosts and the subsequent one is to utilize 'Ansible Loop' and pass the worth to the 'name' quality individually and the last one is to characterize a rundown of bundles and straightforwardly pass it to the 'name' trait. We can likewise utilize 'with_items' rather than a circle.

Removing or uninstalling packages from the hosts using the apt module

We need to just change the ‘state’ attribute to ‘absent’ to remove or uninstall any package from the hosts as below the Ansible playbook.

Update repositories cache and install the package

We use the ‘update_cache’ attribute to update the repositories cache and the name of the package to install, here we don’t need to use the ‘state’ attribute. We can also use the ‘cache_vlaid_time’ attribute to update the cache only if the last update is 3600 seconds ago.

- name: update repositories cache and install the Nginx package

Installing Debian package using the apt-module

We can install the .deb package to the host using the ‘deb’ attribute and pass the path of the Debian package. Debian package must be available on the host on which we need to install the deb package and we provide the path where the package is available locally.

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