From 02d6fb43ad6925f9039ef04e3af4c70abc1407fb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pierre-Elliott=20B=C3=A9cue?= <becue@crans.org>
Date: Sun, 27 Jan 2013 00:29:04 +0100
Subject: [PATCH] =?UTF-8?q?Pour=20supprimer=20les=20trous=20au=20niveau=20?=
 =?UTF-8?q?des=20mid.=20=C3=80=20n'utiliser=20qu'en=20cas=20de=20n=C3=A9ce?=
 =?UTF-8?q?ssit=C3=A9...?=
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Ignore-this: 3128815debd47d6346cc3f15c856d700

darcs-hash:20130126232904-afe24-89e87521e474cdd26b6b8e512eee69553cd660c4.gz
---
 gestion/tools/move_mid.py | 65 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100755 gestion/tools/move_mid.py

diff --git a/gestion/tools/move_mid.py b/gestion/tools/move_mid.py
new file mode 100755
index 00000000..2af2c801
--- /dev/null
+++ b/gestion/tools/move_mid.py
@@ -0,0 +1,65 @@
+#!/usr/bin/env python
+# -*- coding: utf8 -*-
+
+import sys
+import ldap
+sys.path.append('/usr/scripts/gestion')
+import ldap_crans
+
+def move(machine, mid, conn):
+    """
+    Déplace l'objet ldap machine vers le mid considéré
+    """
+    
+    conn.conn.rename_s(machine.dn, "mid=%s" % (mid))
+    machine.dn = "mid=%s,%s" % (mid, conn.base_dn)
+    machine._data["mid"] = [ "%s" % (mid) ] 
+    machine.save()
+
+def construct_mids(from_mid, conn):
+    """
+    Cherche un mid libre dans la base LDAP en partant de 256
+    (autant ne pas mettre de garbage au milieu des serveurs
+    """
+    
+    if from_mid == None or from_mid == '':
+        from_mid = 256
+
+    filtre_idn = ldap_crans.Machine.filtre_idn
+    liste = conn.conn.search_s(conn.base_dn, ldap.SCOPE_SUBTREE, filtre_idn)
+    liste_mid = [0]
+
+    for element in liste:
+        r = element[0].split(',')[0]
+        if r[:3] != "mid": continue
+        liste_mid.append(int(r[4:]))
+
+    liste_mid.sort()
+    return list(set(range(from_mid, 65536)).intersection(liste_mid))
+
+if __name__ == "__main__":
+    conn = ldap_crans.crans_ldap()
+    liste_mid = construct_mids(256, conn)
+
+    while True:
+        last = liste_mid[-1]
+        libre = 256
+
+        while libre in liste_mid:
+            libre = libre + 1
+
+        print libre, last
+        if libre >= last:
+            break
+
+        else:
+            machine = conn.search('mid=%s' % (last))['machine'][0]
+            prev_mid = machine.id()
+            move(machine, libre, conn)
+            print "Machine mid=%s déplacée au mid=%s" % (prev_mid, libre)
+
+        liste_mid.remove(last)
+        liste_mid.append(libre)
+        liste_mid.sort()
+
+    print liste_mid