diff --git a/.gitignore b/.gitignore
index a8b42eb6..7b00ee5d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,3 @@
 *.retry
+scripts/inventory_re2o.ini
+__pycache__
diff --git a/ansible.cfg b/ansible.cfg
index 8d528bd6..94ea095d 100644
--- a/ansible.cfg
+++ b/ansible.cfg
@@ -5,7 +5,8 @@
 # Do not create .retry files
 retry_files_enabled = False
 
-# Use inventory
+# Generate inventory
+#inventory = ./scripts/inventory_re2o.py
 inventory = ./hosts
 
 # Custom header in templates
diff --git a/group_vars/all/vault.yml b/group_vars/all/vault.yml
deleted file mode 100644
index 39ef710a..00000000
--- a/group_vars/all/vault.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-$ANSIBLE_VAULT;1.1;AES256
-37373933363563303566623732633165343839663164663535316638633462626636326135316534
-3839346634623331363336663863353363376665613764390a383866613635363238323637386235
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-32356465653966643831633963623239666136393436663932353366633231343534626234336539
-32663133616162366238323635616531373335383535653732373432613938396535343339383037
-37376461646438383434633364373339303137333134333138323630633731366533633061373634
-38353034356332373134373833393431346539306265313965623663343433343361613634646563
-35383234623362633935383362393763363938643864373266336339373265353933336232303965
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-33333966303932396336393263363039383930353334313061316335313238363564313639646637
-34316562386366306238376465326631336539643936663264306631303335346131343939663965
-62316566393236643938633731356465373435646238646661333935323563333231363361663638
-31313832613032636466316263386561363665333432653931393835346535653837303937363764
-65353561326162313831303865393665353732346536653262316131643863373039636336616132
-38666362363137663266306634346438636430353036616536613332376535633662326432383431
-66353539376132373165633634376230393738393831313831663535613430633937383732356163
-32356639626237303861336364376663306465393130373136366461666233626333346437316563
-65616132326637313134656665323439366362613634376536373631656234343934396532333539
-62306163313062393365613338326464633136376562383130303638616364366139373734346236
-36333665306666633465396437633161356664643235326665633537666366316662643339626430
-66393335343463663662363561626534386435373636626131393263626664336164633062393239
-39613737383834363661343662323436326236326464343732326232316264303135613035323039
-62313539363532333738343664663830373163346436636533663164333438623338623332303136
-37633065336162326361333430363464656662626237366530343765643937333866373831666336
-36333363633830343836383235613562633435663166386264343936666264323561343938393232
-38323235636266616266333535376661663063363562376461336437376661633734633165326661
-326437613235333261643465663663343838
diff --git a/scripts/inventory_re2o.ini.example b/scripts/inventory_re2o.ini.example
new file mode 100644
index 00000000..582e09ab
--- /dev/null
+++ b/scripts/inventory_re2o.ini.example
@@ -0,0 +1,7 @@
+# Ansible Re2o Inventory settings
+#
+
+[Re2o]
+hostname = re2o.example.net
+username = my_api_username
+password = my_api_password
diff --git a/vars_plugins/vault_cranspassword.ini b/vars_plugins/vault_cranspassword.ini
new file mode 100644
index 00000000..2df78e29
--- /dev/null
+++ b/vars_plugins/vault_cranspassword.ini
@@ -0,0 +1,6 @@
+# Ansible Vault CransPassword settings
+#
+
+[cranspassword]
+#: Commande exécutée sur le client pour appeler le script sur le serveur distant.
+server_cmd=/usr/bin/ssh odlyd.crans.org sudo -n /usr/local/bin/cranspasswords-server
diff --git a/vars_plugins/vault_cranspassword.py b/vars_plugins/vault_cranspassword.py
new file mode 100755
index 00000000..886b69f6
--- /dev/null
+++ b/vars_plugins/vault_cranspassword.py
@@ -0,0 +1,112 @@
+#!/usr/bin/env python
+
+# (c) 2019 Cr@ns <roots@crans.org>
+# Authors : Alexandre IOOSS <erdnaxe@crans.org>
+# Based on cranspasswords by : Daniel Stan <daniel.stan@crans.org>
+#                             Vincent Le Gallic <legallic@crans.org>
+#
+# This file is part of Cr@ns ansible deploiement
+
+"""
+Ansible Vault CransPassword script.
+========================================
+
+Returns Ansible vault from CransPassword.
+
+Configuration is read from `vault_cranspassword.ini`.
+"""
+
+import json
+import os
+import subprocess
+import sys
+
+from ansible.module_utils.six.moves import configparser
+from ansible.plugins.vars import BaseVarsPlugin
+
+
+class VarsModule(BaseVarsPlugin):
+    @staticmethod
+    def gpg_decrypt(crypt_text):
+        full_command = ['gpg', '-d']
+        proc = subprocess.Popen(full_command,
+                                stdin=subprocess.PIPE,
+                                stdout=subprocess.PIPE,
+                                stderr=sys.stderr,
+                                close_fds=True)
+        proc.stdin.write(crypt_text.encode())
+        proc.stdin.close()
+        clear_text = proc.stdout.read().decode()
+        return clear_text
+
+    def getfile_command(self, filename):
+        """Exécute la commande distante, et retourne la sortie de cette
+        commande"""
+        # Get full command from settings file
+        command = self.config.get('cranspassword', 'server_cmd').split(" ")
+        command.append("getfiles")
+        proc = subprocess.Popen(
+            command,
+            stdin=subprocess.PIPE,
+            stdout=subprocess.PIPE,
+            stderr=sys.stderr,
+            close_fds=True
+        )
+        proc.stdin.write(json.dumps([filename]).encode())
+        proc.stdin.flush()
+
+        raw_out, raw_err = proc.communicate()
+        ret = proc.returncode
+
+        if ret != 0:
+            print("Mauvais code retour côté serveur", file=sys.stderr)
+            sys.exit(ret)
+
+        try:
+            answer = json.loads(raw_out.strip())
+        except ValueError:
+            print("Impossible de parser le résultat", file=sys.stderr)
+            sys.exit(42)
+
+        return answer[0]
+
+    def get_encrypted(self, filename):
+        """
+        Get encrypted content of a cranspassword file
+        """
+        gotit, value = self.getfile_command(filename)
+        if not gotit:
+            print(value, file=sys.stderr)  # value contient le message d'erreur
+        else:
+            crypt_text = value['contents']
+            return crypt_text
+
+    def __init__(self):
+        super().__init__()
+
+        # Load config
+        self.config = configparser.ConfigParser()
+        self.config.read(os.path.dirname(os.path.realpath(__file__))
+                         + '/vault_cranspassword.ini')
+
+    def get_vars(self, loader, path, entities, cache=True):
+        """
+        Get all vars for entities, called by Ansible
+        """
+        super().get_vars(loader, path, entities)
+
+        # We do not want to request N time the same file from cranspassword
+        # But VarsModule object get instanced each time
+        # So the hack is to use loader._FILE_CACHE that *should* be private
+        # Sorry for this, don't judge me on this please <3
+
+        if 'cranspassword' not in loader._FILE_CACHE:
+            # Get text then decrypt and return
+            crypt_text = self.get_encrypted('ansible_vault')
+            clear_text = self.gpg_decrypt(crypt_text)
+            data = loader.load(clear_text)
+            loader._FILE_CACHE['cranspassword'] = data
+        else:
+            data = loader._FILE_CACHE['cranspassword']
+
+        return data