First commit

.gitignore

+!docs/*.pdf
+docs/*

Config_H1_Ping_H2.yml

+---
+- name: Configuration et démarrage des interfaces réseau
+  hosts: all
+  become: true
+  tasks:
+    - name: Rename hosts
+      command: hostnamectl set-hostname {{ inventory_hostname }}
+      notify: rename_finish
+  
+  handlers:
+    - name: rename_finish
+      debug:
+        msg: "I can handle dates"
+    
+- name: Setup network for Hosts
+  hosts: hotes
+  become: yes
+  tasks:
+    - name: "Create file interface in interfaces.d"
+      ansible.builtin.template:
+        src: ./interfaces_H.j2
+        dest: /etc/network/interfaces.d/interfaces_playbook.conf
+        mode: 0640
+    - name: Restart interfaces hosts
+      shell: "ifdown --force eth0"
+
+- name: Setup network for Routers
+  hosts: routeurs
+  become: yes
+  tasks:
+    - name: "Create file interface in interfaces.d"
+      ansible.builtin.template:
+        src: ./interfaces_R.j2
+        dest: /etc/network/interfaces.d/interfaces_playbook.conf
+        mode: 0640
+    - name: "Set ip_forwarding to 1"
+      ansible.posix.sysctl:
+        name: net.ipv4.ip_forward
+        value: '1'
+        sysctl_set: true
+        state: present
+    - name: Restart interfaces hosts
+      shell: "ifdown --force eth0 eth1"
+
+
+- name: Configuration et démarrage des interfaces réseau
+  hosts: all
+  become: true
+  tasks:
+    - name: Restart interfaces hosts
+      shell: "ifup -a --ignore-errors"
+      notify: start network
+
+  handlers:
+    - name: start network
+      service:
+        name: networking
+        state: restarted
+        enabled: yes
+...
\ No newline at end of file

Config_Labo.sh

+#!/bin/bash
+
+ls -al
\ No newline at end of file

Config_Playbook.yml

+---
+- name: Configuration et démarrage des interfaces réseau
+  hosts: all
+  become: true
+  tasks:
+    - name: Rename hosts
+      command: hostnamectl set-hostname {{ inventory_hostname }}
+      notify: rename_finish
+  
+  handlers:
+    - name: rename_finish
+      debug:
+        msg: "I can handle dates"
+    
+- name: Setup network for Hosts
+  hosts: hotes
+  become: yes
+  tasks:
+    - name: "Create file interface in interfaces.d"
+      ansible.builtin.template:
+        src: ./interfaces_H.j2
+        dest: /etc/network/interfaces.d/interfaces_playbook.conf
+        mode: 0640
+    - name: Restart interfaces hosts
+      shell: "ifdown --force eth0"
+
+- name: Setup network for Routers
+  hosts: routeurs
+  become: yes
+  tasks:
+    - name: "Create file interface in interfaces.d"
+      ansible.builtin.template:
+        src: ./interfaces_R.j2
+        dest: /etc/network/interfaces.d/interfaces_playbook.conf
+        mode: 0640
+    - name: "Set ip_forwarding to 1"
+      ansible.posix.sysctl:
+        name: net.ipv4.ip_forward
+        value: '1'
+        sysctl_set: true
+        state: present
+    - name: Restart interfaces hosts
+      shell: "ifdown --force eth0 eth1"
+
+
+- name: Configuration et démarrage des interfaces réseau
+  hosts: all
+  become: true
+  tasks:
+    - name: Restart interfaces hosts
+      shell: "ifup -a --ignore-errors"
+      notify: start network
+
+  handlers:
+    - name: start network
+      service:
+        name: networking
+        state: restarted
+        enabled: yes
+...
\ No newline at end of file

gns3_get_config.py

+#!/usr/bin/env python3
+
+import requests
+from jinja2 import Environment, FileSystemLoader, Template
+import json
+import sys
+from pathlib import Path
+
+# TAILSCALE : sudo tailscale up --login-server https://tailscale.hepiapp.ch
+# https://hepia.infolibre.ch/VRES-2022-2023/labos/preparation.html#installation-du-client-gns3-sous-gnu-linux
+
+PROJECTS_URL='https://gns3.hepiapp.ch/v2/projects'
+
+# Template for jinja2
+tm_config = """
+{% for node in nodes %}
+{% if node['console'] != None %}
+Host {{ node['name'] }}
+    User root
+    Hostname {{ node['console_host'] }}
+    Port {{ node['console']+1 }}
+    StrictHostKeychecking no
+    UserKnownHostsFile /dev/null
+    IdentityFile ~/.ssh/gns3.rsa
+{% endif %}
+{% endfor %}
+"""
+
+# Create file of config ssh
+def create_file(filepath : str = "/home/poulpe/.ssh/config.d/gns3.conf",data : str = "") -> str:
+    with open(filepath,"a") as f:
+        f.write(data)
+        f.write("\n")
+        f.close()
+    return filepath
+
+# Get the config from GNS3
+def get_config(proj_name : str,verbose : bool = False) -> None:
+    data = requests.get(PROJECTS_URL).json()
+    for proj in data:
+        if proj_name == proj["name"]:
+            print(f"Project use : {proj['name']}")
+            url = PROJECTS_URL+"/" + proj["project_id"]+"/nodes"
+            nodes = requests.get(url).json()
+            tm = Template(tm_config)
+            msg = tm.render(nodes=nodes)
+            path = create_file(data=msg)
+    print(f"Config write here : '{path}'")
+
+# Delete the config file if he exist
+def delete_file_if_exist(filepath : str = "/home/poulpe/.ssh/config.d/gns3.conf") -> None:
+    Path("/home/poulpe/.ssh/config.d/").mkdir(parents=True, exist_ok=True)
+    f = open(filepath, "w")
+    f.close()
+
+if __name__ == "__main__":
+    if len(sys.argv) < 2:
+        print("Create config file for SSH connection from GNS3 project name")
+        print(f"{sys.argv[0]} <project_name>")
+        exit(1)
+    name = sys.argv[1]
+    delete_file_if_exist()
+    get_config(name)
\ No newline at end of file

interfaces_H.j2

+auto {{ ifname }}
+iface {{ ifname }} inet static
+ address {{ ifip }}
+ netmask {{ ifcidr }}
+ post-up ip route add default via {{ ifgw }}

interfaces_R.j2

+auto {{ ifname }}
+iface {{ ifname }} inet static
+ address {{ ifip }}
+ netmask {{ ifcidr }}
+
+auto {{ ifname2 }}
+iface {{ ifname2 }} inet static
+ address {{ ifip2 }}
+ netmask {{ ifcidr2 }}
+ {% if Rname != "R2" %}
+post-up ip route add 3.0.0.0/24 nexthop via {{ ifgw }}
+ {% endif %}
+ {% if Rname != "R1" %}
+post-up ip route add 1.0.0.0/24 nexthop via {{ ifgw2 }}
+ {% endif %}

inventory.yml

+H1
+H2
+R1
+R1
\ No newline at end of file

targets

+[hotes]
+H1
+H2 ifip="3.0.0.2" ifgw="3.0.0.1"
+
+[hotes:vars]
+ifname="eth0"
+ifip="1.0.0.2"
+ifcidr="255.255.255.0"
+ifgw="1.0.0.1"
+
+[routeurs]
+R1 ifip="1.0.0.1" ifgw="2.0.0.2" Rname="R1"
+R2 ifip2="2.0.0.2" ifgw2="2.0.0.1" Rname="R2"
+
+[routeurs:vars]
+ifname="eth1"
+ifip="3.0.0.1"
+ifcidr="255.255.255.0"
+ifgw="2.0.0.1"
+ifname2="eth0"
+ifip2="2.0.0.1"
+ifcidr2="255.255.255.0"
+ifgw2="1.0.0.2"
+Rname=""
+
+[H1]
+H1
+
+[H2]
+H2
+
+[R1]
+R1
+
+[R2]
+R2