part 2 done (missing doc)

README.md

@@ -34,3 +34,11 @@ cette commande est correcte en l’exécutant sur la topologie.
     
 
 # **2 - Routage et adressage**
+
+Voici le résultat du playbook, la 77a0ae0163commande ping est effectivement exécuté et le paquet est bien envoyé sur le bon chemin (code sur le git) 
+
+![Untitled](img/Untitled%204.png)
+
+On peut voir grâce à la commande traceroute que le paquet utilise le bon chemin
+
+![Untitled](img/Untitled%205.png)
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ansible.cfg

+[defaults]
+inventory = inventory
+remote_user = root
+host_key_checking = False
+
+[privilege_escalation]
+become = True
+become_method = sudo
+become_user = root
+become_ask_pass = False

changeHostname.sh

+ssh R1 hostnamectl set-hostname R1
+ssh R2 hostnamectl set-hostname R2
+ssh H1 hostnamectl set-hostname H1
+ssh H2 hostnamectl set-hostname H2

inventory

+[routers]
+R1 ip="1.0.0.1" ip2="2.0.0.1" gateway="3.0.0.2"
+R2 ip="3.0.0.2" ip2="2.0.0.2" gateway="3.0.0.2"
+# R[1:2]
+[hosts]
+H1 ip="1.0.0.3" gateway="1.0.0.1"
+H2 ip="3.0.0.3" gateway="3.0.0.2"
+# H[1:2]
+
+[all:vars]
+netmask="255.255.255.0"
+
+[hosts:vars]
+ifname="eth0"
+type="host"
+
+[routers:vars]
+ifname="eth1"
+ifname2="eth0"
+type="router"

main.py

+import requests
+import jinja2
+import json
+import sys
+import shutil
+import subprocess
+
+PROJECTS_URL="https://gns3.hepiapp.ch/v2/projects"
+
+def usage():
+    print(f"{sys.argv[0]} PROJECT_NAME")
+
+def get_projects_uid():
+    r = requests.get(PROJECTS_URL)
+    for p in r.json():
+        if p["name"] == sys.argv[1]:
+            print("Project ID: " + p["project_id"])
+            return p["project_id"]
+
+def get_nodes(project_id):
+    print(PROJECTS_URL + '/' + str(project_id) + '/nodes')
+    r = requests.get(PROJECTS_URL + '/' + project_id + '/nodes')
+    return r.json()
+
+def create_ssh_config(name, console_port, console_host):
+    template = jinja2.Template("""Host {{ name }}
+    User root
+    HostName {{ console_host }}
+    Port {{ console_port }}
+    StrictHostKeyChecking no
+    UserKnownHostsFile /dev/null
+    IdentityFile ~/.ssh/gns3.rsa
+    """)
+    return template.render(name=name, console_port=console_port, console_host=console_host)
+
+def change_hostname(nodes):
+    cmds = ""
+    for node in nodes:
+        if node['console_type'] == "none":
+            continue
+        cmds += "ssh "+node["name"] + " hostnamectl set-hostname "+node["name"]+"\n"
+        
+    f = open("changeHostname.sh", "w")
+    f.write(cmds)
+    f.close()
+    
+def change_mac(nodes):
+    cmds = ""
+    index = 0
+    for node in nodes:
+        if node['console_type'] == "none":
+            continue
+        if node['name'][0] == 'H':
+            index += 1
+            cmds += "ssh  " + node["name"] + " ip addr add 192.168.0." + str(index) + "/24 dev eth0\n"
+            cmds += "ssh "+node["name"]+" ip link set dev eth0 addr 00:00:00:00:00:"+'{:02x}'.format(index)+"\n"
+            cmds += "ssh "+node["name"]+" ip link set dev eth0 up \n"
+        
+
+    cmds += "echo Sleeping 10s for params to be applieds \n"
+    cmds += "sleep 10 \n"
+    index = 0
+    for node in nodes:
+        if node['console_type'] == "none":
+            continue
+        if node['name'][0] == 'H':
+            index += 1
+            cmds += "ssh H1 ping -c 1 192.168.0." + str(index) + "\n"
+    
+    f = open("changeMac.sh", "w")
+    f.write(cmds)
+    f.close()
+    
+def installTcdump(nodes):
+    cmds = ""
+    for node in nodes:
+        if node['console_type'] == "none":
+            continue
+        cmds += "ssh "+node["name"] + " dhclient -v eth0\n"
+        cmds += "ssh "+node["name"]+" apt install -y tcpdump\n"
+        
+    f = open("installTcdump.sh", "w")
+    f.write(cmds)
+    f.close()
+
+def main():
+
+    project_id = get_projects_uid()
+    nodes = get_nodes(project_id)
+    sshConfigText = ""
+    for node in nodes:
+        if node['console_type'] == "none":
+            continue
+        # print(node["name"] + " " + str((node["console"] + 1)) + " " + node["console_host"])
+        sshConfigText += create_ssh_config(node["name"], node["console"] + 1, node["console_host"])
+        sshConfigText += "\n"
+    print(sshConfigText)
+    #Changer cette ligne pour le chemin de votre fichier de config ssh
+    f = open("/home/alexandre/.ssh/config.d/sshconfig", "w")
+    f.write(sshConfigText)
+    f.close()
+    
+    
+    change_hostname(nodes)
+    # installTcdump(nodes)
+
+
+if __name__ == "__main__":
+    main()
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playbook.yaml

+- name: Set eth0 static
+  hosts: all
+  tasks:
+    - name: Set iface static
+      template:
+        src: static_iface.j2
+        dest: /etc/network/interfaces.d/ansible.conf
+        mode: 0644
+- name: Restart networking eth0
+  hosts: all
+  tasks:
+    - name: Restart networking eth0
+      shell: ifdown eth0 && ifup eth0
+- name: Restart networking eth1
+  hosts: routers
+  tasks:
+    - name: Restart networking eth1
+      shell: ifdown eth1 && ifup eth1
+- name: Test config by pinging
+  hosts: H1
+  tasks:
+    - name: Ping H2
+      shell: ping -c 3 3.0.0.3
+      register: ping_result
+    - name: Print ping result
+      debug:
+        var: ping_result.stdout_lines

static_iface.j2

+iface {{ifname}} inet static
+    address {{ip}}
+    netmask {{netmask}}
+
+{% if type == "host" %}
+    post-up ip route add default via {{gateway}}
+{% endif %}
+
+{% if type == "router" %}
+iface {{ifname2}} inet static
+    address {{ip2}}
+    netmask {{netmask}}
+    {% if inventory_hostname == "R1" %}
+    post-up ip route add 3.0.0.0/24 nexthop via 2.0.0.2
+    {% else %}
+    post-up ip route add 1.0.0.0/24 nexthop via 2.0.0.1
+    {% endif %}
+{% endif %}
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