Initial commit of Ansible inventory playbooks

host_discovery.yml

@@ -0,0 +1,41 @@
+---
+- name: Host Discovery with Nmap Probing Port 22
+  hosts: localhost
+  connection: local
+  vars:
+    networks:
+      - 192.168.1.0/24  # Add your networks here
+    output_file: discovered_hosts.json
+  tasks:
+    - name: Install nmap if not present
+      become: true
+      ansible.builtin.apt:
+        name: nmap
+        state: present
+        update_cache: true
+    - name: Perform Nmap scan on each network
+      ansible.builtin.shell:
+        cmd: nmap -sT -p 22 -Pn --open -R -oG - {{ item }}
+      register: scans
+      loop: "{{ networks }}"
+      changed_when: false
+    - name: Combine all scan outputs
+      ansible.builtin.set_fact:
+        all_output: "{{ scans.results | map(attribute='stdout') | join('\n') }}"
+    - name: Extract host lines
+      ansible.builtin.set_fact:
+        host_lines: "{{ all_output.splitlines() | select('search', '^Host:') | list }}"
+    - name: Parse hosts into list
+      ansible.builtin.set_fact:
+        hosts_list: "{{ hosts_list | default([]) + [{'ip': ip, 'hostname': hostname}] }}"
+      loop: "{{ host_lines }}"
+      vars:
+        line: "{{ item }}"
+        host_part: "{{ line.split('\t')[0] }}"
+        parts: "{{ host_part.split(' ') }}"
+        ip: "{{ parts[1] }}"
+        hostname: "{{ parts[2] | replace('(', '') | replace(')', '') }}"
+    - name: Save to JSON file
+      ansible.builtin.copy:
+        content: "{{ {'hosts': hosts_list} | to_nice_json }}"
+        dest: "{{ output_file }}"