initial ansible deployment scaffolding

README.md

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+# customer-deploy
+Ansible playbooks for deploying the Galion Systems monitoring stack at
+customer sites. Internal use only.

deploy/playbooks/site.yml

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+---
+- name: Deploy Galion monitoring stack
+  hosts: "{{ target_site }}"
+  become: true
+  roles:
+    - galion_monitor

deploy/roles/galion_monitor/tasks/main.yml

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+---
+- name: Install dependencies
+  apt:
+    name: [python3-pip, prometheus-node-exporter]
+    state: present
+
+- name: Copy Prometheus config
+  template:
+    src: prometheus.yml.j2
+    dest: /etc/prometheus/prometheus.yml
+  notify: restart prometheus

deploy/site_vars/gary_in.yml

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+site_name: gary_in
+plc_hosts: [10.20.1.10]
+prometheus_port: 9090

deploy/site_vars/toledo_oh.yml

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+site_name: toledo_oh
+site_contact: scada@toledowater.com
+plc_hosts: [172.16.5.20]
+prometheus_port: 9090

deploy/site_vars/walnut_creek.yml

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+site_name: walnut_creek
+site_contact: ops@walnutcreekwater.org
+plc_hosts: [10.10.1.5, 10.10.1.6]
+prometheus_port: 9090

docs/deployment.md

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+# Deployment Guide
+
+## Usage
+```bash
+ansible-playbook deploy/playbooks/site.yml \
+  -e target_site=walnut_creek \
+  -e @deploy/site_vars/walnut_creek.yml \
+  -i inventory/hosts.ini
+```