def update_generic(sender, revert=False):
"""
overrites the contents of /etc/postfix/generic with the following mapping
@<hostname> <sender-email-address>
@<hostname>.localdomain <sender-email-address>
Then sets the file permissions and runs "postmap generic" to create the db
file and change it's permissions in turn.
:param sender: email address entered as the sender email account
:param revert: if True wipe the generic_file and db (defaults to False)
:return:
"""
hostname = gethostname()
dnsdomain = getdnsdomain()
with open(GENERIC, "w") as fo:
if not revert:
fo.write("@{} {}\n".format(hostname, sender))
fo.write("@{}.localdomain {}\n".format(hostname, sender))
# add @<hostname>.<domain> if we can get a dnsdomain:
if dnsdomain != "":
fo.write("@{}.{} {}\n".format(hostname, dnsdomain, sender))
# Add fall through entries for when the sending agent uses localhost.
# This avoids some bounce scenarios when sender/from is root@localhost
fo.write("@localhost {}\n".format(sender))
fo.write("@localhost.localdomain {}\n".format(sender))
# Set file to r-- --- --- (400) via stat constants.
os.chmod(GENERIC, stat.S_IRUSR)
run_command([POSTMAP, GENERIC])
def _update_hostname():
a = Appliance.objects.get(current_appliance=True)
cur_hostname = gethostname()
if (cur_hostname != a.hostname):
a.hostname = cur_hostname
if (a.ipaddr != a.ip):
a.ip = a.ipaddr
a.save()
def _update_hostname():
a = Appliance.objects.get(current_appliance=True)
cur_hostname = gethostname()
if cur_hostname != a.hostname:
a.hostname = cur_hostname
if a.ipaddr != a.ip:
a.ip = a.ipaddr
a.save()
def email_root(subject, message):
"""
Simple wrapper to email root, which generally will be forwarded to admin
personnel if email notifications are enabled hence acting as remote monitor
/ notification system
:param subject: of the email
:param message: body content of the email
"""
hostname = gethostname()
msg = MIMEMultipart()
msg["From"] = "notifications@%s" % hostname
msg["To"] = "root@%s" % hostname
msg["Date"] = formatdate(localtime=True)
msg["Subject"] = subject
msg.attach(MIMEText(message))
smtp = smtplib.SMTP("localhost")
smtp.sendmail(msg["From"], msg["To"], msg.as_string())
smtp.close()
def email_root(subject, message):
"""
Simple wrapper to email root, which generally will be forwarded to admin
personnel if email notifications are enabled hence acting as remote monitor
/ notification system
:param subject: of the email
:param message: body content of the email
"""
hostname = gethostname()
msg = MIMEMultipart()
msg['From'] = 'notifications@%s' % hostname
msg['To'] = 'root@%s' % hostname
msg['Date'] = formatdate(localtime=True)
msg['Subject'] = subject
msg.attach(MIMEText(message))
smtp = smtplib.SMTP('localhost')
smtp.sendmail(msg['From'], msg['To'], msg.as_string())
smtp.close()
def update_generic(sender, revert=False):
"""
overrites the contents of /etc/postfix/generic with the following mapping
@<hostname> <sender-email-address>
@<hostname>.localdomain <sender-email-address>
Then sets the file permissions and runs "postmap generic" to create the db
file and change it's permissions in turn.
:param sender: email address entered as the sender email account
:param revert: if True wipe the generic_file and db (defaults to False)
:return:
"""
generic_file = '/etc/postfix/generic'
hostname = gethostname()
with open(generic_file, 'w') as fo:
if (not revert):
fo.write('@%s %s\n' % (hostname, sender))
fo.write('@%s.localdomain %s\n' % (hostname, sender))
# todo need an entry here to add @<hostname>.<domain>
os.chmod(generic_file, 400)
run_command([POSTMAP, generic_file])
os.chmod('%s.db' % generic_file, 600)
def update_generic(sender, revert=False):
"""
overrites the contents of /etc/postfix/generic with the following mapping
@<hostname> <sender-email-address>
@<hostname>.localdomain <sender-email-address>
Then sets the file permissions and runs "postmap generic" to create the db
file and change it's permissions in turn.
:param sender: email address entered as the sender email account
:param revert: if True wipe the generic_file and db (defaults to False)
:return:
"""
generic_file = '/etc/postfix/generic'
hostname = gethostname()
with open(generic_file, 'w') as fo:
if (not revert):
fo.write('@%s %s\n' % (hostname, sender))
fo.write('@%s.localdomain %s\n' %(hostname, sender))
# todo need an entry here to add @<hostname>.<domain>
os.chmod(generic_file, 0400)
run_command([POSTMAP, generic_file])
os.chmod('%s.db' % generic_file, 0600)
def update_generic(sender, revert=False):
"""
overrites the contents of /etc/postfix/generic with the following mapping
@<hostname> <sender-email-address>
@<hostname>.localdomain <sender-email-address>
Then sets the file permissions and runs "postmap generic" to create the db
file and change it's permissions in turn.
:param sender: email address entered as the sender email account
:param revert: if True wipe the generic_file and db (defaults to False)
:return:
"""
hostname = gethostname()
with open(GENERIC, "w") as fo:
if not revert:
fo.write("@{} {}\n".format(hostname, sender))
fo.write("@{}.localdomain {}\n".format(hostname, sender))
# todo need an entry here to add @<hostname>.<domain>
# Set file to r-- --- --- (400) via stat constants.
os.chmod(GENERIC, stat.S_IRUSR)
run_command([POSTMAP, GENERIC])
# Set file to rw- --- --- (600) via stat constants.
os.chmod("{}.db".format(GENERIC), stat.S_IRUSR | stat.S_IWUSR)
def _update_hostname():
a = Appliance.objects.get(current_appliance=True)
cur_hostname = gethostname()
if (cur_hostname != a.hostname):
a.hostname = cur_hostname
a.save()
