ansible-galaxy completed
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Ilgar_Naghiyev
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README.md
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README.md
@@ -46,6 +46,10 @@ Red Hat Certified Specialist in Ansible Automation (EX407) Preparation Course
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- [Demo: Creating and Applying a Role in Ansible](#demo-creating-and-applying-a-role-in-ansible)
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- [Demo: Creating and Applying a Role in Ansible](#demo-creating-and-applying-a-role-in-ansible)
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- [Applying In-Line Roles and Role Dependencies](#applying-in-line-roles-and-role-dependencies)
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- [Applying In-Line Roles and Role Dependencies](#applying-in-line-roles-and-role-dependencies)
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- [LAB: Working with Ansible Roles](#lab-working-with-ansible-roles)
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- [LAB: Working with Ansible Roles](#lab-working-with-ansible-roles)
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- [Download roles from an Ansible Galaxy](#download-roles-from-an-ansible-galaxy)
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- [Download Roles from Ansible Galaxy](#download-roles-from-ansible-galaxy)
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- [Managing Parallelism](#managing-parallelism)
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- [Parallelism in Ansible](#parallelism-in-ansible)
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## Understanding Core Components of Ansible
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## Understanding Core Components of Ansible
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@@ -1589,4 +1593,78 @@ Edit `/home/ansible/resources/web.yml` to the following:
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```
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```
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##### Run Your Playbook Using the Default Inventory
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##### Run Your Playbook Using the Default Inventory
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Run ansible-playbook `/home/ansible/resources/web.yml`.
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Run ansible-playbook `/home/ansible/resources/web.yml`.
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## Download roles from an Ansible Galaxy
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### Download Roles from Ansible Galaxy
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Ansible Galaxy - galaxy.ansible.com or github.com:
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- Essentially a large public repository of Ansible roles.
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- Role ship with readmes detailining role use and available variables.
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- Galaxy contains a large number of roles that are constantly evolving and increasing.
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- Galaxy can use git allowing for other role sources such as GitHub
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- Ansible ships with the ansible-galaxy command which may be used to install roles form Galaxy among other useful role management features.
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- `ansible-galaxy` can also create new empty roles in your working directory like so:
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- `ansible-galaxy init <role_name>`
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- Using `ansible-galaxy install <username.role>`, you can download roels from **galaxy.ansible.com**
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- Roles installed in the roles_path may be listed using `ansible-galaxy list`
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- Remove, search, and loging are other useful subcommands.
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- The **-p** flag allows specification of local role location (`ansible-galaxy` uses `/etc/ansible/roles` by default)
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- `ansible-galaxy init mysql` - initiate mysql named role with required structure inside
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```
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[cloud_user@innaghiyev2c ~]$ ansible-galaxy init mysql
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- Role mysql was created successfully
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[cloud_user@innaghiyev2c ~]$ ll mysql/
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total 4
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drwxrwxr-x. 2 cloud_user cloud_user 21 Mar 10 09:29 defaults
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drwxrwxr-x. 2 cloud_user cloud_user 6 Mar 10 09:29 files
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drwxrwxr-x. 2 cloud_user cloud_user 21 Mar 10 09:29 handlers
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drwxrwxr-x. 2 cloud_user cloud_user 21 Mar 10 09:29 meta
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-rw-rw-r--. 1 cloud_user cloud_user 1328 Mar 10 09:29 README.md
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drwxrwxr-x. 2 cloud_user cloud_user 21 Mar 10 09:29 tasks
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drwxrwxr-x. 2 cloud_user cloud_user 6 Mar 10 09:29 templates
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drwxrwxr-x. 2 cloud_user cloud_user 37 Mar 10 09:29 tests
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drwxrwxr-x. 2 cloud_user cloud_user 21 Mar 10 09:29 vars
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```
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- `ansible-galaxy search elasticsearch` - search for an **elasticsearch** role on ansible-galaxy
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```
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Found 487 roles matching your search:
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Name Description
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---- -----------
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0x0i.elasticsearch Elasticsearch, a real-time distributed search and analytics engine
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0x0i.grafana Grafana - an analytics and monitoring observability platform
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0x0i.kibana Kibana, an analytics and visualization platform designed to operate with Elasticsearch
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1it.sudo Ansible role for managing sudoers
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aaronpederson.fluentd Really simple management of data collection from logs or scripts. Installation from gem.
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abelboldu.elasticsearch Elasticsearch for Linux.
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abelboldu.logstash Logstash for Linux.
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abraverm.kibana-management Kibana objects (dashboard, visualization) management
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adamaod.Single-Instance-ELK Single Instance Elk Stack
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AerisCloud.collectd This role takes care of adding collectd to any given server
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AerisCloud.elasticsearch Installs ElasticSearch
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AerisCloud.librato Install and configure the Librato Agent
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AerisCloud.logstash This role is used to add log aggregation and forwarding capability to a given server
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AerisCloud.repos Manage CentOS yum and Debian apt repositories
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```
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- `ansible-galaxy install elastic.elasticsearch` - install elasticsearch role from ansible-galaxy
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- let's create simple playbook which will install role for us:
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```
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---
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- hosts: localhost
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become: yes
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tasks:
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- name: install role
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command: ansible-galaxy install elastic.elasticsearch
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```
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- `sudo ansible-galaxy remove elastic.elasticsearch` - remove installed role
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## Managing Parallelism
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### Parallelism in Ansible
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