def clean_alias2(self):
alias = self.cleaned_data['alias2'].lower()
if alias != '':
if re.search(r'^[a-z][a-z0-9-]{0,23}[a-z0-9]$', alias) is None:
raise forms.ValidationError("L'alias {} ne correspond pas à la forme attendue.".format(alias))
else:
if re.search(r'enst-bretagne', alias):
raise forms.ValidationError("L'alias ne doit pas contenir le nom de l'école.")
if re.search(r'resel', alias):
raise forms.ValidationError("L'alias ne doit pas contenir le nom resel.")
if search("ou=machines,dc=resel,dc=enst-bretagne,dc=fr", "(|(host={})(hostAlias={}))".format(alias, alias)) is not None:
raise forms.ValidationError("L'alias choisi est déjà utilisé pour une machine de notre réseau.")
else:
alias = None
return alias
def clean_alias2(self):
alias = self.cleaned_data['alias2'].lower()
if alias != '':
if re.search(r'^[a-z][a-z0-9-]{0,23}[a-z0-9]$', alias) is None:
raise forms.ValidationError("The chosen alias {} does not match with the expected pattern.".format(alias))
else:
if re.search(r'enst-bretagne', alias):
raise forms.ValidationError("The alias can't contain enst-bretagne.")
if re.search(r'resel', alias):
raise forms.ValidationError("The alias can't contain resel.")
if search("ou=machines,dc=resel,dc=enst-bretagne,dc=fr", "(hostAlias={})".format(alias)) is not None:
raise forms.ValidationError("The chosen alias {} already exists".format(alias))
else:
alias = None
return alias
def get_free_ip(low, high):
"""
Récupère une IP libre pour une nouvelle machine à partir du LDAP
"""
rang = low - 1
again = True
while ((rang < high) and again):
rang += 1
item = 2
while ((item < 254) and again):
item +=1
if search("ou=machines,dc=resel,dc=enst-bretagne,dc=fr", "(ipHostNumber={}.{})".format(rang, item)) is None:
again = False
return "{}.{}".format(rang, item)
