mono-infrastructure/ansible/playbooks/role-rocky-monitoring.yml

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---
# Creates the first monitoring server
# Reccommended specs
# CPU: 2 cores
# Memory: 2GB
# Storage: a piece of string
- name: Install Prometheus
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hosts: monitoringservers
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become: true
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vars_files:
- vars/vaults/encpass.yml
- vars/monitoring.yml
- vars/monitoring/alertmanager.yml
- vars/monitoring/grafana.yml
- vars/monitoring/prometheus.yml
# This is to try to avoid the handler issue in pre/post tasks
handlers:
- import_tasks: handlers/main.yml
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pre_tasks:
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- name: Check if ansible cannot be run here
stat:
path: /etc/no-ansible
register: no_ansible
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- name: Verify if we can run ansible
assert:
that:
- "not no_ansible.stat.exists"
success_msg: "We are able to run on this node"
fail_msg: "/etc/no-ansible exists - skipping run on this node"
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- name: Install SELinux packages
package:
name: python3-policycoreutils.noarch
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state: present
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roles:
- role: rockylinux.ipagetcert
state: present
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- role: cloudalchemy.prometheus
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state: present
- role: cloudalchemy.alertmanager
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state: present
- role: cloudalchemy.grafana
state: present
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post_tasks:
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- name: Open firewalld ports
ansible.posix.firewalld:
port: "{{ item.port }}"
permanent: "{{ item.permanent }}"
state: "{{ item.state }}"
loop: "{{ monitoring_server_firewall_rules }}"
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- name: Touching run file that ansible has ran here
file:
path: /var/log/ansible.run
state: touch
mode: '0644'
owner: root
group: root
- name: Install Prometheus Node Exporter
hosts: all
become: true
pre_tasks:
- name: Install SELinux packages
package:
name: python3-policycoreutils.noarch
state: present
roles:
- role: cloudalchemy.node-exporter
state: present
post_tasks:
- name: Open firewall for node-exporter
ansible.posix.firewalld:
port: 9100/tcp
permanent: true
state: enabled